JP2003116680A - Infant rocking chair - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an infant rocking chair which is arranged in any place, easily carried and moved, etc., folded to be compact when stored and inexpensively produced. SOLUTION: The rocking chair has a frame structure including a base frame 1, a seat frame 2 and a chair back frame 3 so that it is made to be small and light while having desired strength and durability, etc. The chair is also freely transformed into a usage state and a folded state. Thus, a storage space is saved by folding after usage and the chair is easily carried.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rocking chair for infants, and more particularly to a rocking chair for infants in which the backrest angle can be adjusted stepwise.

[0002]

2. Description of the Related Art Conventionally, as a rocking chair for infants, a backrest part having a seat part and a backrest part are molded from synthetic resin, and the backrest part is rotatably attached and the backrest angle can be adjusted. Baby racks are known.

[0003]

The conventional baby rack of this type is constructed so that the base portion, the seat portion, and the backrest portion are made of synthetic resin and have a certain strength. Because of its weight and volume, not only is the installation location limited, but it is troublesome to carry and move, and it requires a considerable space for storage.
Since it is a synthetic resin molded product, a large mold is required for manufacturing, and there have been problems such as high costs.

The present invention has been made in view of the above-mentioned conventional circumstances, and its intended place is not to choose the installation place,
An object of the present invention is to provide a rocking chair for infants that can be easily carried, moved, etc., can be folded into a small size when stored, and can be manufactured at low cost.

[0005]

In order to achieve the above-mentioned object, a rocking chair for a baby according to the present invention is a substantially rectangular frame body and can be installed swingably by bending the left and right sides. On the rear side of the left and right sides of the base frame formed like this,
The left and right lower ends of the seat frame that forms the seat are rotatably supported, and the left and right lower ends of the backrest frame that forms the backrest can slide forward and backward on the front side of the left and right sides of the base frame. And the left and right side rods of the seat frame and the backrest frame intersect each other in an X-shape and pivotally support the intersecting portions, and the left and right lower end portions of the backrest frame and the base frame. The left and right sides are provided with a lock mechanism that is composed of concave-convex engaging means and locks the left and right lower end portions of the backrest frame so that they can be slidably released. It can be deformed to the use position where the leaning frame stands up at a predetermined angle, and the use state and the folded state in which the seat frame and the backrest frame are folded so as to overlap the base frame. Characterized in that the formed.

Since the rocking chair of the present invention thus formed is a frame structure composed of a base frame, a seat frame and a backrest frame, it has a desired strength, durability and the like, and has a conventional structure. It can be made smaller and lighter than a synthetic resin baby rack, and can be manufactured at low cost. Further, since it can be freely deformed between the use state and the folded state, the storage space can be reduced by folding after use, and it can be easily carried.

In the present invention, it is preferable to cover the seat formed by the seat frame and the backrest formed by the backrest frame with a seat made of a cushion to form the seat and the backrest. .

In the present invention, the lock position of the lock mechanism is formed at a plurality of positions so that the seat frame and the backrest frame stand up gradually at a predetermined angle, and the seat frame and the backrest frame stand up at a predetermined angle. At the same time, it may be formed so that the rising angle can be adjusted stepwise.

In this case, by appropriately adjusting the backrest angle, the backrest portion and the seat portion function as a reclining seat, and various specification forms can be provided from a state in which an infant sits down to a state in which the infant lies down.

As a concrete mode of the lock mechanism of the present invention, engaging holes are provided on the left and right sides of the base frame, and the locking mechanism is connected between the left and right lower ends of the backrest frame slidably attached to the left and right sides. A rod is provided, and left and right lock pins, which are urged toward the left and right sides by an elastic member to engage with the engaging hole in a disengageable manner, are slidably mounted inside the connecting rod, and the connecting rod is provided. An operating lever is provided at the center of the rod to disengage the pin from the engaging hole by sliding the left and right lock pins toward the center of the connecting rod against the elasticity of the elastic member. The aspect which formed the locking mechanism can be mentioned.

Further, it is preferable that the base frame is provided with a stopper for restricting the swing of the base frame so as to be releasable.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An example of an embodiment of a rocking chair for a baby according to the present invention will be described below with reference to FIGS. The rocking chair A of this example includes a swingable base frame 1 and a seat frame 2 that forms a seat a.
And a backrest frame 3 that forms the backrest b, form a chair body, a lock mechanism 4 for adjusting the backrest angle of the backrest b, and a stopper 5 that regulates the swing of the base frame 1. , Sheet 6, etc.

The base frame 1 is formed of a pipe made of metal or hard synthetic resin having a desired rigidity into a substantially rectangular frame body, and swings by bending the left and right side portions 1a, 1a. It is formed so that it can be freely installed, and the seat frame 2 is provided on the rear side of the left and right sides 1a, 1a.
Left and right lower end portions 2a ', 2a' are rotatably supported by a shaft 20, and left and right lower end portions 3a ', 3a' of the backrest frame 3 are slidably mounted on the front sides of the left and right side portions 1a, 1a. It is installed. Further, left and right stoppers 5, 5 for restricting the swing of the base frame 1 to be releasable are attached to the rear ends of the left and right sides 1a, 1a.

The seat frame 2 and the backrest frame 3 are made of a pipe made of the same material as that of the base frame 1 into a substantially gate-shaped frame body.
Are the lower end portions 2a ', 2 of the left and right side rod portions 2a, 2a, 3a, 3a.
While attaching a ', 3a', 3a 'to the base frame 1 as described above, the left side rod portions 2a, 3a and the right side rod portions 2a, 3a intersect each other in an X shape, and the intersection portion is rotated by the shaft support portion 7. It is rotatably supported.

Further, in the seat frame 2, the lower half of the seat 6 described later is covered by the upper rod 2b and the portions of the left and right side rods 2a, 2a located above the pivotal support 7. The seat portion a is formed, and in the backrest frame 3, the shaft support portion 7 in the left and right side rod portions 3a, 3a is formed.
A backrest b is formed by covering an upper half portion side of the seat 6 described later over the portion located on the upper side and the upper rod portion 3b.

Left and right lower end portions 3a ', 3a' of the backrest frame 3
A connecting rod 10 is installed between them, and the lock mechanism 4 is configured by the lock pins 11 and 11 mounted in the connecting rod 10, the engaging holes with which the lock pins 11 and 11 are engaged, and the like. The connecting rod 10 connects the inner ends of the left and right tubular bodies 10a, 10a made of the same material as the base frame 1 with a tubular connecting member 10b made of a hard synthetic resin or the like, and each tubular body is connected.
The lock pins 11, 11 are slidably inserted into the 10a, 10a, and the lock pins 11, 11 are provided on the upper surface of the connecting member 10b.
Elongated holes 13 and 13 into which operation levers 12 and 12 in which an inner end of 11 is bent upward are slidably inserted are formed. The outer ends of the respective lock pins 11 and 11 are tubular bodies 10.
A spring 14 is biased outward so as to project from a and 10a.

The lock pins 11, 3a ', 3a' of the backrest frame 3 on the left and right sides 1a, 1a of the base frame 1 are slidably mounted on the lock pins 11,
Engagement holes 21, 22, 2 with which the outer ends of 11 are removably engaged
3, 24, 25 and the engaging recess 26 are formed at appropriate intervals. The engagement recess 26 is formed with a depth such that the lock pins 11, 11 are disengaged only by rotating the backrest frame 3. Then, the elasticity of the spring 14 causes the outer ends of the lock pins 11, 11 to move to the tubular bodies 10a, 10a.
And engages with any one of the engagement holes 21 to 25 (see FIG. 2).
(See (a)) so that the sliding of the backrest frame 3 is regulated, and the rising angle of the seat frame 2 and the backrest frame 3 (the backrest angle of the backrest b) is adjusted to a desired angle. When the outer ends of the lock pins 11 and 11 are engaged with the engaging recesses 26 by the elasticity of the spring 14, the seat frame 2 and the backrest frame 3 are folded over the base frame 1 so that the chair body is in a substantially flat folded state. On the other hand, when the lock pins 11, 11 are slid inward against the elasticity of the spring 14 by the operation of the operation levers 12, 12, and the outer ends of the lock pins 11, 11 are sunk into the pipes 10a, 10a (Fig. 2 (b)). (See) is formed so that the backrest frame 3 can slide.

The stoppers 5 and 5 are folded along the left and right side portions 1a, 1a of the base frame 1 so as not to interfere with the swing of the base frame 1 (see FIG. 1) and the side portions 1a, 1b. Then, it is pivotally supported at the rear end portions of the left and right side portions 1a, 1a so as to be rotatable at a predetermined angle and to a position (see FIG. 3) that regulates the swing of the base frame 1.

The seat 6 has a cushioning property in which a cushion material such as urethane is covered with a cloth cover.
By covering the seat portion frame 2 and the backrest frame 3 as described above, the seat portion a and the backrest portion b are formed. Further, the seat 6 is sewn to the left and right sides of a cord portion 6a for suspending and supporting the chair body. Reference numeral 30 is a toy that can be detachably attached to the chair body, and a support rod 32 that stands up in a substantially gate shape is erected between the attachment portions 31 and 31 that are detachably fitted to the left and right rod portions 3a and 3a of the backrest frame. Then, on the support rod 32,
Round, square, or triangular toys 33, 34, 3
5 is suspended.

When the rocking chair A of the present embodiment having the above-mentioned structure is used, the operating levers 12, 12 are slid inward to lock the lock pins 11, 11 and the engaging holes 21-25.
Is not engageable, the left and right lower end portions 3 of the backrest frame 3
A hand that slides a ', 3a' to raise the seat part frame 2 and the backrest frame 3 to a predetermined angle and operate the operation levers 12, 12 at a position where the backrest angle of the backrest part b becomes an arbitrary angle. If the lock pins 11 and 11 are engaged with any of the engaging holes 21 to 25, the right and left lower end portions 3a ′ and 3a ′ of the backrest frame 3 are restricted from sliding, and both frames 2 and 3 are released. The usage condition of standing up to an angle is locked. In this usage state, when the stoppers 5 and 5 are in the folded state, they function as a rocking (rocking) chair, and when the stoppers 5 and 5 are raised, the rocking is restricted, and the chair functions as a normal chair.

Further, when the lock pins 11, 11 are engaged with the engaging hole 25 located on the most front side in the base frame 1, the rising angles of the seat frame 2 and the backrest frame 3 are such that the infant lies down. When the stoppers 5 and 5 are in the folded state, they function as a cradle, and when the stoppers 5 and 5 are raised, the swinging is restricted and they function as a simple bed.
Further, if the string portions 6a, 6a are used, it can also be used as a substitute for Kuhan.

Further, when the lock pins 11, 11 are engaged with the engaging recess 26 located further forward of the engaging hole 25, the seat frame 2 and the backrest frame 3 are folded over the base frame 1. The chair body is in a substantially flat and folded state (see FIG. 4), which enables storage in a small space, facilitates transportation, and can be carried outdoors for use. Further, in this folded state, the lock pins 11, 11 are engaged with the relatively shallow engaging recesses 26, so when returning to the use state, the operation lever 12,
It is only necessary to rotate the backrest frame 3 without operating 12.

An example of the embodiment of the rocking chair for infants according to the present invention has been described above, but the present invention is not limited to this, and within the scope of the technical idea described in the claims. It goes without saying that various modifications are possible.

[0024]

Since the rocking chair for infants according to the present invention is constructed as described above, it has the following effects. (Claim 1) A frame structure including a base frame, a seat frame, and a backrest frame, which can be freely deformed between a used state and a folded state, and therefore has a desired strength, durability, etc. Compared to the synthetic resin baby racks in 1), it can be used in a wide range of applications, such as being installed anywhere and stored in place, being easy to carry and being able to be used outdoors. Further, unlike a rack made of synthetic resin, a large mold is not required, the manufacturing cost can be reduced, and it can be provided at a low cost.

(Claim 2) Since the seat portion and the backrest portion are formed by covering the seat made of a cushion, there is an effect that the usability is improved and the safety is excellent.

(Claim 3) By appropriately adjusting the backrest angle, the backrest portion and the seat portion function as reclining seats, and various specification forms can be provided from a state in which an infant is seated to a state in which the infant is laid down. .

(Claim 4) The backrest angle and the folding operation can be easily performed by operating the operation lever.

(Claim 5) By controlling the swing of the base frame by using the stopper, there is an effect that it can be used as an ordinary chair or a cot.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of an embodiment of a rocking chair for infants according to the present invention.

FIG. 2 is an enlarged cross-sectional view with a part of the lock mechanism omitted,
(A) shows the locked state, and (B) shows the unlocked state.

FIG. 3 is a side view of the rocking chair shown in FIG. 1, showing a state in which a seat is omitted and swing is restricted.

FIG. 4 is a side view showing a folded state according to FIG.

[Explanation of symbols]

A: Rocking chair for infants a: Seat b: Backrest 1: Base frame 1a: left and right sides 2: Seat frame 3: Backrest frame 2a, 3a: Side rod 2a ', 3a': bottom edge 4: Lock mechanism 5: Stopper 6: Sheet 7: Shaft support 10: Connection rod 11: Lock pin 12: Operation lever 14: Spring (elastic member) 21-25: Engagement holes 26: Engagement recess

Claims (5)

[Claims] 1. A seat portion that forms a seat portion on the rear side of the left and right side portions of a base frame that is a substantially rectangular frame body and that is formed so that the left and right side portions can be curved and can be swingably installed. The right and left lower ends of the frame are rotatably supported, and the left and right lower ends of the backrest frame that forms a backrest are attached to the front sides of the left and right sides of the base frame so as to be slidable back and forth. The left and right side rods of the frame and backrest frame are X
And rotatably pivot the intersecting portion, and the left and right lower end portions of the backrest frame and the left and right side portions of the base frame are provided with concave and convex engaging means, and the left and right lower end portions of the backrest frame are formed. A lock mechanism for releasably locking the sliding of the seat frame, and the lock position in the lock mechanism is at least a position for use in which the seat frame and the backrest frame stand up at a predetermined angle, the use condition, and the seat frame. And a rocking chair for infants that can be transformed into a folded state in which the backrest frame is folded so as to overlap the base frame. 2. The seat and the backrest are formed by covering a seat formed by the seat frame and a backrest formed by the backrest frame with a seat made of a cushion. Rocking chair for children. 3. The lock position of the lock mechanism is
A seat frame and a backrest frame are formed at a plurality of positions so as to rise stepwise at a predetermined angle, and the seat frame and the backrest frame are raised at a predetermined angle and the rising angle can be adjusted stepwise. The rocking chair for infants according to Item 1 or 2. 4. An engaging hole is provided in the left and right side portions of the base frame, and a connecting rod is provided between the left and right lower end portions of a backrest frame slidably attached to the left and right side portions, and inside the connecting rod. , A left and right lock pin that is biased toward the left and right sides by an elastic member and slidably engages with the engagement hole is slidably mounted, and a central portion of the connecting rod has:
The lock mechanism is formed by providing an operating lever for sliding the left and right lock pins in the direction of the central portion of the connecting rod against the elasticity of the elastic member to disengage the pin from the engaging hole. The rocking chair for infants according to any one of Items 1 to 3. 5. The rocking chair for an infant according to claim 1, wherein the base frame is provided with a stopper that releasably controls the swing of the base frame.