JP2001334853A - Child seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance storing and keeping property of a child seat capable of easily storing and keeping by removing it as appropriate without impairing ride quality. SOLUTION: In a child seat 1, cushions 2, 3 wherein/from a pressure medium can be injected/ejected are mounted on a seat part 6 and a backrest 7 of a main body part wherewith the seat part 6 and the backrest 7 are bendably connected. When it is used, the cushions 2, 3 are inflated by injecting the pressure medium and when it is unused, the main body part can be folded and stored by ejecting the pressure medium from the cushions 2, 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a child seat that can be compactly stored when not in use.

[0002]

2. Description of the Related Art In Japan, legislation has been amended and the use of child seats has become obligatory, and interest in child seats has increased. A conventional child seat has a structure in which a cushion that softens the tactile sensation of the surface in contact with the skin is attached to a highly rigid main body in order to protect the child from the impact of a collision. In order to exhibit the rigidity of the main body portion, the main body portion is made of integrally molded resin or a structure in which metal parts are joined, and the seat portion and the backrest are usually integrated. A cushion continuous from the seat to the backrest is attached to the main body. Conventionally, most of the technical presentations have been made to improve the fixing means or the cushion of the main body part to improve the safety or to improve the usability (ride comfort).

[0003] For example, Japanese Patent Application Laid-Open No. 11-011192 "Child seat" attempts to improve a cushion mainly to improve riding comfort. Specifically, the air bag is formed on the upper left and right sides of the front surface of the seat body, and the air bag is appropriately pressurized by a pump, thereby suppressing the swing of the head of a child, especially an infant. JP-A-11-01119
No. 2 proposes a similar air bag at the waist of the backrest and an open-cell foam sheet or mesh bag sheet that prevents sweat from sweating.

[0004]

The child seat is:
When used, it is fixed inside the car, but it is not always used continuously and some people may want to remove it appropriately (after using it for the firstborn, keep it away for a while and use it for the next child Case). However, the conventional body portion of the child seat has a structure in which the seat portion and the backrest are continuous, so that there is a problem in that it takes a very large space when storing and storing, and is inconvenient.

[0005] Even if the size of the main body is neglected, if the thickened cushion is bulky to improve the riding comfort, or if an object is placed on the cushion and stored,
In some cases, the cushion was crushed and the next time it was used, it would not be able to perform at its best. Therefore, child seats that can be easily removed and stored and stored conveniently
We examined means to improve storage and storage without compromising ride comfort.

[0006]

According to the present invention, a cushion that can inject or discharge a pressurized medium is attached to the seat or the backrest of the main body in which the seat and the backrest are flexibly connected. A child seat in which a cushion is inflated by injecting a pressurized medium when in use, and a pressurized medium is discharged from the cushion when not in use, and the main body is folded to be stowable. The seat or the backrest is basically made of the same material as that of the related art, that is, a rigid material, metal, synthetic resin, or a combination of both. The folding of the body portion is such that the cushion is inwardly sandwiched between the seat and the backrest, preferably such that the cushion is hidden in the folded seat and the backrest.

[0007] When the cushion is made detachable from the seat or the backrest, the folding direction of the main body becomes free.
Further, since the cushion can be replaced independently, the type of the child seat of the present invention can be easily changed to a baby bed, an infant or a school child seat by replacing the cushion. Conventional child seats have been basically purchased again as the child grows up, but the child seat of the present invention has an advantage that only the cushion needs to be replaced. As long as the cushion can be fixed to the extent that it does not come off from the seat or the backrest (shock resistance is carried by the seat or the backrest),
A hook-and-loop fastener can be used simply. Further, a hook integrated with each cushion may be engaged with a corresponding portion of the seat or the backrest.

In the child seat of the present invention, all the cushions have a structure capable of injecting or discharging a pressurized medium,
The cushioning property can be adjusted by the pressure of the pressurized medium or the injection amount. The pressurized medium may be a dedicated pressurized gas or a liquid such as water, but since it can be injected or discharged anywhere at any time, the pressurized medium is air, and a manual or powered pump is used for injection. Good. When the pressurized medium is discharged, the cushion inflated by the pressurized medium can be crushed by the volume into which the pressurized medium has been injected, and does not hinder storage. In addition, even if the cushion is stored in a state where the object is placed on the crushed cushion, the cushion will not be crushed, and if a pressurized medium is injected again, it is possible to obtain a cushion with excellent riding comfort again. .

Further, in the present invention, since the seat and the backrest are foldable, if the pressurized medium is discharged and the crushed cushion is folded inward, a storage state of an extremely small volume can be created. Can be. Also, for example, in a state where the child seat of the present invention is mounted on the vehicle body, if it is folded so that the seat portion is lifted with respect to the backrest,
The seat surface of the normal seat appears, and the adult can use the normal seat while wearing the child seat.
In this case, let alone the seat and backrest,
It is preferable that a cushion surface is separately formed on the bottom surface of the seat portion which is lifted up and appears on the front.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a state in which an example in which a child seat 1 of the present invention is constituted by air cushions 2 and 3 is mounted on a rear seat 4 of an automobile.
Is a perspective view showing the child seat 1 in an expanded state (the air cushions 2 and 3 are shown in phantom lines), FIG. 3 is a side view of the fixing mechanism 5 in the expanded state, and FIG. 4 is an expanded state in which the air cushions 2 and 3 are deflated. FIG. 2 is a perspective view of the child seat 1 in the state shown in FIG. 2, FIG. 5 is a perspective view of the child seat 1 in the stored state in which the seat portion 6 and the backrest 7 are folded, and FIG. FIG. 7 is a perspective view corresponding to FIG. 1, showing the child seat 1 in a stored state in a state where the child seat is mounted on a rear seat 4 of an automobile.

The child seat 1 of the present embodiment has a configuration using air cushions 2 and 3 using air as a pressurized medium. As shown in FIG. 1, a seat 6 and a backrest 7 constituting a main body are developed. In this state, the seat belt 8 is inserted into the belt insertion holes 9, 9 of the backrest 7, and is hung and fixed.
In this example, separate air cushions 2 and 3 are attached to the seat 6 and the backrest 7, respectively, and the lower belt 10 of the seat 6 and the upper belts 11 and 11 of the backrest 7 are connected to the fixing pad 12, respectively. Then, fix the child to the air cushions 2,3. Since the volume of the air cushion is reduced when the air cushion is deflated, the air cushion may be of an integrated structure that is continuous from the seat to the backrest, for example. The manner in which the child seat 1 is mounted on the vehicle and the configuration of the upper and lower belts and the fixing pads for fixing the child are the same as those of a conventional child seat.

As shown in FIG. 2, the seat 6 and the backrest 7 are integrally formed by pressing a steel plate or integrally forming a synthetic resin, and are provided with handles 13, 13, respectively. Seat belt belt insertion holes 9, 9
The hole is opened. The side surfaces of the seat portion 6 or the backrest 7 thus formed serve as ribs with respect to a plane, thereby increasing the structural strength. The lower belt 10 has the upper belt 1
Each of the air cushions 1 and 11 is attached to the inner surface of the backrest 7 and is pulled out through the extraction holes 14 and 14 provided in each of the air cushions 2 and 3. In this example, two take-out holes 14 for the air cushion 3 of the backrest 7 are provided in order to allow the positions of the upper belts 11, 11 to be drawn out. The seat 6 or the backrest 7 is connected via a hinge 15, and can be held in an expanded state or a stored state by fixing pins 16 inserted into fixing mechanisms 5 provided at both ends of the hinge 15.

As shown in FIG. 3, the fixing mechanism 5 is composed of two similar steel plates 17 and 18 (which may be synthetic resin plates).
The support portions 19, 19 of 7, 18 are rebed on the side of the seat 6 or the backrest 7. A pair of fixing holes 20 are provided at predetermined positions in a plate 17 for fixing the support portion 19 to the seat portion 6, and the plate 18 for fixing the support portion 19 to the backrest 7 corresponds to the fixing holes 20 in an expanded state or a stored state, respectively. Two pairs of engagement holes 21 are provided. When the seat 6 and the backrest 7 are deployed or stored, the fixing holes 20 are selectively inserted into any of the engaging holes 21 and 2.
The positions are determined so that 1 communicates with each other, and by inserting the fixing pin 16 from the communicating fixing hole 20 into the engaging hole 21, the opening degree formed by the support portions of both plates is determined, and the seat and the backrest are formed. Can be maintained in a deployed state or a stored state. The fixing mechanism 5 has only a role of maintaining the deployed state of the seat portion 6 and the backrest 7, and the air cushion 3 of the backrest 7 fixed by the seat belt 8 opposes an impact (see FIG. 1). . In this example, to increase the strength,
Are formed in the plane portion of the. As long as the positional relationship between the two plates 17 and 18 can be fixed, not only the fixing pin but also, for example, an engaging projection of a swing lever pivotally mounted on a seat may be engaged with the two plates.

In order to clear the child seat 1 mounted on the automobile, the user first removes the seat belt 8 from the backrest 7 (see FIG. 1), and then steps down the air cushions 2, 3. The air cushions 2, 3 of this example are fixed to the seat 6 or the backrest 7, respectively. As shown in FIG. 3, the air cushion 2, the lower belt 10, and the fixing pad 12 are attached to the seat 6. For the backrest 7, the air cushion 3 and the upper belts 11, 11 are allocated and stored. When the air cushions 2 and 3 are inflated, air is sent from the air holes 22 of the air cushions 2 and 3 and the air holes 22 are closed in an appropriately inflated state. The air may be sent by a person,
Separately, a bicycle air inflator, a ball air inflator, or another dedicated pressurized air supply device may be used. On the other hand, in order to deflate the air cushions 2, 3, only the air holes 22 need to be opened. When the pressurized medium is a liquid or a special gas, the discharge place and the pressurized medium treatment after discharge become a problem,
When air is used as the pressurized medium as in this example, there is an advantage that the air need only be discharged without worrying about the above problem.

When the fixing pins 16 of the fixing mechanism 5 are pulled out with the air cushions 2 and 3 deflated, the seat 6 and the backrest 7 are easily folded and stored as shown in FIG. Can be. In this stored state, as shown in FIG. 6, the engaging hole 21 for the fixing hole 20 of the fixing mechanism 5 is switched, and the fixing pin 16 is inserted again into the switched fixing hole 20 and the engaging hole 21. The storage state can be maintained. In the child seat 1 of this example, the seat portion 6 and the handle portions 13 of the backrest 7 which are overlapped in the stored state are provided, so that the child seat 1 can be carried. It is only the air cushions 2 and 3 that support the child in the unfolded state, so the handle is hidden by the air cushions 2 and 3 as shown in FIG.
There is no direct contact with children. Further, as is apparent from this example, the child seat 1 of the present invention has a simplified structure, and the main cushion portions are air cushions 2 and 3, so that the weight is reduced as compared with the conventional child seat. It is easy to carry in the deployed state.

In the child seat 1 of this embodiment, a cushion surface 23 is provided on the bottom surface of the seat 6, and if the seat 6 and the backrest 7 are folded and stored in the mounted state shown in FIG. As can be seen from the above, it is possible to secure a space for the rear seat 4 where an adult can sit. Even if there is no cushion surface 23, if the storage state is set, the rear seat 4
Although it is possible to secure the space described above, it is preferable to provide the cushion surface 23 rather than the bottom surface of the seat portion 6 made of steel plate for directly imparting structural strength directly to the back.

FIG. 8 is a perspective view corresponding to FIG. 2 of the child seat 1 in which the air cushions of the seat portion 6 and the backrest 7 are replaced with integral air cushions. The air cushion only needs to be fixed to the extent that it does not come off the seat 6 or the backrest 7. For example, if a fixing means using a hook-and-loop fastener is adopted, it can be easily replaced with another air cushion 24 as shown in FIG. It is. As a result, the same child seat 1 can be easily changed to a baby bed, an infant or school child seat. In the past, the child seat itself had to be purchased anew because of various uses of the child seat. However, the child seat 1 of the present invention has an advantage that only the air cushion needs to be replaced.

[0018]

According to the present invention, it is possible to provide a child seat which is superior in storage and storage when not in use as compared with the related art. This is an effect of the cushion whose swelling can be adjusted by the injection amount or pressure of the pressurized medium, and the main body composed of the foldable seat and backrest. Although it is not impossible to make the main body portion foldable with the same cushion as in the related art, it is practically impossible to fold the cushion as a hindrance. On the other hand, in the present invention, the cushion can be deflated by discharging the pressurized medium, so that the folding of the main body can be realized.

The cushion inflated by using such a pressurized medium has a secondary effect that the cushioning property can be adjusted by adjusting the injection amount or pressure of the pressurized medium. Furthermore, the storage stability exhibited by the child seat of the present invention has an advantage that the adult can also sit on the seat without removing the child seat if the child seat is folded in a state of being mounted on a car by making the main body part foldable. ing. In addition, only the cushion is replaced, and the type can be easily changed to a baby bed, an infant or a school child seat with one child seat. in this way,
The combination of the cushion using the pressurized medium and the foldable main body realizes the provision of a child seat with unprecedented ease of handling and convenience.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which an example in which a child seat of the present invention is configured in an air cushion specification is mounted on a rear seat of an automobile.

FIG. 2 is a perspective view showing the child seat in an unfolded state.
(The air cushion is indicated by a virtual line).

FIG. 3 is a side view of the fixing mechanism in the developed state.

FIG. 4 is a perspective view corresponding to FIG. 2, showing the child seat in a deployed state in which an air cushion is deflated.

5 is a perspective view corresponding to FIG. 2, showing the child seat in a stored state in which a seat portion and a backrest are folded.

FIG. 6 is a side view corresponding to FIG. 3 of the fixing mechanism in the housed state.

FIG. 7 is a perspective view corresponding to FIG. 1, showing the child seat in a stored state in a state of being mounted on a rear seat of the automobile.

FIG. 8 is a perspective view corresponding to FIG. 2 of a child seat using another air cushion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Child seat 2 Air cushion of a seat 3 Air cushion of a backrest 6 Seat 7 Backrest

Claims (3)

[Claims] 1. A cushion capable of injecting or discharging a pressurized medium is attached to the seat or the backrest of a main body in which a seat and a backrest are flexibly connected, and the cushion is inflated by injecting the pressurized medium when in use. A child seat that discharges the pressurized medium from the cushion when not in use and folds the main body to be stored. 2. The child seat according to claim 1, wherein the cushion is detachable from the seat or the backrest. 3. The child seat according to claim 1, wherein the pressurized medium is air.