JP2022033704A - Chair - Google Patents

Abstract

To provide a chair which can continue to be applied even in line with child development, which prevents the safety of a child from being exposed to risk, which can be easily housed, and which naturally fits in a home environment.SOLUTION: A chair comprises a first seating face part, a second seating face part that is installed in the state of facing the first seating face part, and a connection part for connecting the first and second seating face parts together. A back part of the first seating face part is provided with a first positioning hole, and a back part of the second seating face part is provided with a second positioning hole. The first seating face part is set higher than the second seating face part.SELECTED DRAWING: Figure 1A

Description

The present invention relates to the field of furniture technology, in particular to chairs.

A chair is a type of furniture with legs as a common piece of furniture, which generally includes one seat, a backrest, and may also include an accoudoir, usually with the legs raising the seat above the floor. ..

Chairs are generally divided into work chairs and relaxing chairs. Common work chairs include office chairs, school chairs, dining chairs, conference chairs, counter chairs, gaming chairs, manicure chairs and the like. Common relaxing chairs include sitting / conference chairs, cafe chairs, sofas, easy chairs, adjustable reclining chairs, high back chairs, and massage chairs. Relaxing chairs include chairs for younger children.

The structure of chairs for young children is different from ordinary chairs. Some conventional chairs are suitable only for children of a specific age, for example, and there is a problem that when the child grows up, it is necessary to replace it with a new chair. Conventional chairs can also have the problem that parts are exposed or dangerous gaps are created due to design defects, which easily endangers the safety of children. In view of such defects of the prior art, it is a technique to be solved by those skilled in the art to provide an improved chair that can be continued to be applied as the child grows and does not endanger the safety of the child. It is a problem.

In view of the defects of the prior art, a main object of the present invention is to provide a chair that can be continuously applied as the child grows up and does not endanger the safety of the child by turning it upside down and fixing the backrest. Is.

In order to achieve the above object, the technical plan of the first embodiment of the present invention is as follows. The chair includes a first seat surface portion, a second seat surface portion installed facing the first seat surface portion, and a connecting portion connecting the first seat surface portion and the second seat surface portion, and the first seat. A first positioning hole is provided in the back portion of the first seat surface portion, a second positioning hole is provided in the back portion of the second seat surface portion, and the height of the first seat surface portion is higher than the height of the second seat surface portion. Will also be higher.

According to the chair according to the present invention, it can be continuously applied as the child grows up, and it is easy to store and naturally blends into the home environment without endangering the safety of the child.

It is a figure which shows the chair which concerns on 1st Embodiment of this invention. It is a figure which shows the chair which concerns on 1st Embodiment of this invention. The chair of FIG. 1 is a diagram when it is not turned upside down. It is a figure when the chair of FIG. 1 is turned upside down. It is a figure when the backrest is fixed to the chair of FIG. 1 and the case where the backrest is removed. It is a figure when the backrest is fixed to the chair of FIG. 1 and the case where the backrest is removed. It is a figure which shows the backrest. It is a figure when the backrest is fixed to the chair of FIG. FIG. 6A is a partially enlarged view. It is a figure when the chairs which the backrest is not fixed are stacked. It is a figure when the chairs which the backrest is not fixed are stacked. It is a figure when the chairs which the backrest is not fixed are stacked. It is a figure when the chairs with fixed backrests are stacked. It is a figure when the chairs with fixed backrests are stacked. It is a figure when the chairs with fixed backrests are stacked.

In order to further clarify the object, technical plan and advantages of the present invention, the technical plan in the embodiment of the present invention will be described clearly and completely with reference to the drawings in the examples of the present invention. It is clear that these examples are only a part of the examples of the present invention and not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without going through creative labor are all within the scope of the invention.

As shown in FIGS. 1A to 3, the chair according to the first embodiment includes a first seat surface portion 1, a second seat surface portion 2, and a connecting portion 3. The first seat surface portion 1 is installed facing the second seat surface portion 2, and the connecting portion 3 connects the first seat surface portion 1 and the second seat surface portion 2. The first seat surface portion 1 has a seat portion and a back portion. The second seat surface portion 2 has a seat portion and a back portion. The chair also has a side plate portion 5. A pair of side plate portions 5 are provided. The pair of side plate portions 5 are located on both sides of the first seat surface portion 1, the second seat surface portion 2, and the connecting portion 3. Each side plate portion 5 is connected to the first seat surface portion 1, the second seat surface portion 2 and the connecting portion 3 from the side.

The height h1 in FIG. 2 is the height of the first seat surface portion 1. The height h2 in FIG. 3 is the height of the second seat surface portion 2. The height h2 of the second seat surface portion 2 is higher than the height h1 of the first seat surface portion 1. Each side plate portion 5 has a first edge portion 51 and a second edge portion 52 facing each other in the vertical direction, and a third edge portion 53 located between the first edge portion 51 and the second edge portion 52. The third edge portion is connected to the front end of the first edge portion 51 and the front end of the second edge portion 52 at both ends thereof. The third edge 53 forms a front edge. The height h2 of the second seat surface portion 2 is the height from the floor to the seat portion of the second seat surface portion 2 in a state where the first edge portion 51 is installed on the floor (installation surface) and the chair is arranged on the floor. Is. The height h1 of the first seat surface portion 1 is the height from the floor to the seat portion of the first seat surface portion 1 in a state where the second edge portion 52 is installed on the floor (installation surface) and the chair is placed on the floor. Become.

A first positioning hole 10 is provided on the back of the first seat surface portion 1 (see FIG. 2). It is preferable that the first storage portion (first hook receiving portion) 11 is provided above the first positioning hole 10. Similarly, similar to the first seat surface portion 1, a second positioning hole 20 is provided on the back portion of the second seat surface portion 2. It is preferable that a second storage portion (second hook receiving portion) 21 is provided below the second positioning hole 20. In this embodiment, both the first storage portion 11 and the second storage portion 21 are formed in a push-in structure (fitting structure).

As shown in FIGS. 4A-6B, the chair further comprises a backrest 4. The backrest 4 is provided on the backrest main body 41, the backrest latch hook 42 connected to the backrest main body 41, the backrest fixing portion 43 connected to the backrest main body 41 and located below the backrest latch hook 42, and the backrest fixing portion 43. It is provided with a backrest rotation locking bar 44 that is supported and protrudes outward.

4A to 6B show a process in which the backrest is fixed to the first seat surface portion 1. The backrest latch hook 42 is engaged with the first storage portion 11, and the backrest is locked to the first seat surface portion 1 by engaging the backrest rotation locking bar 44 with the first positioning hole 10 and then rotating the backrest. .. In this embodiment, the first storage portion 11 is formed in a push-in structure (fitting structure), and the backrest latch hook 42 is engaged (fitted, meshed) in the push-in structure (fitting structure). Specifically, as shown in FIG. 4A, at the time of fixing, the backrest latch hook 42 is engaged (fitted) downward along the arrow direction, and the backrest rotation locking bar 44 is engaged in the first positioning hole 10. (Insert). On the other hand, when the fixing is released, as shown in FIG. 4B, the operation completely opposite to that in FIG. 4A is executed to release the engagement of the backrest latch hook 42 along the direction of the arrow. As shown in FIGS. 6A and 6B, the backrest rotation locking bar 44 is engaged (inserted) into the first positioning hole 10 and then rotated, and in the illustrated situation, from the horizontal direction to the vertical direction along the arrow direction. However, as long as the backrest can be locked (fixed) to the first seat surface portion 1, the rotation locking bar 44 is not limited to the illustrated rotatable rotary locking bar 44. For example, the backrest main body 41 is fixed to the first seat surface portion 1 only by engaging (inserting) the backrest rotation locking bar 44 into the first positioning hole 10 without rotating the backrest rotation locking bar 44. May be good.

The chair according to the first embodiment can be turned upside down to meet the needs of children of different ages, and the backrest 4 can be locked corresponding to the first seat surface portion 1 or the second seat surface portion 2. .. Since the locking mode between the backrest 4 and the second seat surface portion 2 is similar to the locking mode between the backrest 4 and the first seat surface portion 1, the description thereof will be omitted here.

For children aged 7 to 6 years (72 months), the chair according to the first embodiment can meet various needs in the following form (Table 1).

As described above, for a child aged 7 months to 1 year, the chair does not turn over to maintain a low seating surface (h1> h2), and the child is young and needs to use the backrest 4. For children aged 1 to 3 years, they have grown up compared to when they were under 1 year old, so by reversing the chair, they maintain a high seating surface (h1> h2), and the children are young and have a backrest 4 You still need to use. For children aged 3 to 6 years, the chair is inverted to maintain a high seating surface (h1> h2), and the child's age is such that the backrest can be used appropriately according to comfort. Here, the height h1 is preferably 170 to 200 mm, more preferably 180 mm, and the height h2 is preferably 140 to 160 mm, more preferably 150 mm. By doing this, the infant can sit in the chair naturally and comfortably without any resistance, and can acquire a good sitting posture from an early age. The chair itself occupies a sufficient floor area and is stable and safe. The backrest better supports the infant's back and is removable and can be attached and used in both high and low positions. For infants, the height of the chair is appropriate when sitting on the chair, so the knees bend naturally and the feet land on the floor.

Also, the color of the chair is preferably gray, light gray, orange, blue, yellow or pink so that it naturally blends into the modern home environment. Of course, for chairs, other suitable colors may be chosen and used. In order to reduce the weight of the entire chair, it is preferable to use environmentally friendly plastic as the material of the entire chair including the backrest.

As shown in FIGS. 7A to 7C and 8A to 8C, the main body of the chair is preferably formed in an arc concave shape, has excellent load bearing capacity, and is stable and safe, so that the backrest is fixed. Multiple chairs can be easily stacked and stored horizontally or vertically, regardless of whether they are used or not, and the storage space is small, which makes them applicable to public places such as kindergartens and playgrounds.

In the illustrated example, the first seat surface portion 1 and the second seat surface portion 2 are connected to each other via the connecting portion 3 only at the front end portion. The space between the first seat surface portion 1 and the second seat surface portion 2 opens on both sides and also opens rearward. The vertical length of the space between the first seat surface portion 1 and the second seat surface portion 2 gradually increases from the front side to the rear side. Therefore, by inserting the connecting portion 3 of another chair from behind the first seat surface portion 1 and the second seat surface portion 2 between the first seat surface portion 1 and the second seat surface portion 2 of one chair. 7A-8C so that the connecting portion, the first seat surface portion 1 and the second seat surface portion 2 of the other chairs are arranged between the first seat surface portion 1 and the second seat surface portion 2 of one chair. As shown in, one chair and another chair can be stacked.

In the illustrated example, the distance between the pair of side plate portions 5 in the lateral direction (lateral direction) gradually narrows from the front side to the rear side. That is, the distance between the pair of side plate portions 5 in the lateral direction is wider at the front end portion than at the rear end portion. Therefore, when inserting the connecting portion 3 of another chair from behind the first seat surface portion 1 and the second seat surface portion 2 between the first seat surface portion 1 and the second seat surface portion 2 of one chair, the other The rear end of one chair will be located between the pair of side plates of the chair. That is, by inserting the rear end portion of one chair between the pair of side plates of the other chair, the pair of side plate portions 5 of one chair, the first seat surface portion 1 and the pair of side plates of the other chair are inserted between the pair of side plates of the other chair. As shown in FIGS. 7A to 8C, one chair and another chair can be stacked so that the second seat surface portion 2 is arranged.

As described above, according to the chair according to the first embodiment, as compared with the prior art, it can be continuously applied as the child grows up, and the child aged 7 months to 6 years is in an appropriate form as needed. It can meet your needs and the backrest is secured by engagement, so there are no dangerous gaps with exposed parts, it is easy to store and naturally blends into the home environment without jeopardizing the safety of children.

It should be noted that each unit described in the embodiment of each device of the present invention is a logical unit, and physically, one logical unit may be one physical unit or a part of one physical unit. It may be realized by a combination of a plurality of physical units, but the physical realization form of these logical units themselves is not the most important, and the combination of functions realized by these logical units is the present invention. Is the key to solving the technical problems proposed by. Further, in order to emphasize the innovative part of the present invention, the embodiment of each of the above-mentioned devices of the present invention does not introduce a unit which is not deeply related to the solution of the technical problem proposed by the present invention. It does not mean that there are no other units in the device embodiment.

In the claims and the specification of the present application, related terms such as the first and the second are merely for distinguishing one real thing or operation from another real thing or operation, and are not necessarily these real things or operations. It does not necessarily require or suggest that such an actual relationship or order exists between operations. And the term "contains", "contains" or any other variation means non-exclusive inclusion, whereby a process, method, object or appliance containing a set of elements is not only those elements. Includes other elements not explicitly listed, or further includes elements specific to such processes, methods, objects or appliances. In the absence of more restrictions, the sentence-limited element "contains one ..." does not preclude the presence of another identical element in the process, method, object or device containing said element.

Although the invention has been exemplified and described with reference to some preferred embodiments of the invention, it will be appreciated by those skilled in the art to make various modifications in mode and detail without departing from the spirit and scope of the invention. It will be obvious.

1: 1st seat surface part 2: 2nd seat surface part 3: connecting part 4: backrest 5: side plate part 10: 1st positioning hole, 11: 1st storage part, 20: 2nd positioning hole, 21 : 2nd storage part, 41: backrest body, 42: latch hook, 43: backrest fixing part, 44: rotation locking bar, 51: 1st edge part, 52: 2nd edge part, 53: 3rd edge part

Claims (8)

It ’s a chair,
The first seat and
The second seat surface portion installed facing the first seat surface portion and
A connecting portion for connecting the first seat surface portion and the second seat surface portion is provided.
A first positioning hole is provided on the back of the first seat surface portion, and a first positioning hole is provided.
A second positioning hole is provided on the back of the second seat surface portion, and a second positioning hole is provided.
A chair characterized in that the height of the first seat surface portion is higher than the height of the second seat surface portion. The first storage portion provided above the first positioning hole and
The chair according to claim 1, further comprising a second storage portion provided below the second positioning hole. It also has a backrest,
The backrest is
With the backrest body,
The backrest latch hook connected to the backrest body,
A backrest fixing portion connected to the backrest main body and located below the backrest latch hook,
The chair according to claim 1 or 2, further comprising a backrest rotation locking bar provided on the backrest fixing portion and projecting outward. The first storage portion provided above the first positioning hole and
A second storage portion provided below the second positioning hole is further provided.
The backrest latch hook is engaged with the first storage portion and is engaged with the first storage portion.
The backrest is locked to the first seat surface portion by engaging the backrest rotation locking bar with the first positioning hole and then rotating the backrest, or the backrest rotation locking bar is not rotated. The chair according to claim 3, wherein the chair is fixed to the first seat surface portion only by engaging the chair in the first positioning hole. The first storage portion provided above the first positioning hole and
A second storage portion provided below the second positioning hole is further provided.
When the first seat surface portion and the second seat surface portion are turned upside down, the backrest latch hook is engaged with the second storage portion.
The backrest is locked to the second seat surface portion by engaging the backrest rotation locking bar with the second positioning hole and then rotating the backrest, or the backrest rotation locking bar is not rotated. The chair according to claim 3 or 4, wherein the chair is fixed to the second seat surface portion only by engaging in the second positioning hole. The height of the first seat surface portion is 170 to 200 mm, and the height thereof is 170 to 200 mm.
The chair according to any one of claims 1 to 5, wherein the height of the second seat surface portion is 140 to 160 mm. The chair according to any one of claims 1 to 6, wherein the entire material is an environmentally friendly plastic. The chair according to claim 1, wherein an arc concave shape is formed.

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