JP2002234371A - Fixing method of child seat to seat and fixing auxiliary belt - Google Patents

Abstract

PROBLEM TO BE SOLVED: To attach a child seat even if a vehicle seat belt is short in the case where the child seat is attached while it is directed to a rear side. SOLUTION: A first engagement ring 12 of an auxiliary belt 10 is engaged with a return part 41 of a belt in an inner belt 4 of the vehicle seat belt and a second engagement ring 13 of the auxiliary belt 10 is detachably engaged with an outer belt 5. In the first engagement ring 12 and the second engagement ring 13 of the auxiliary belt 10, respective nut member are moved to open gaps. The inner belt 4 and the outer belt 5 are inserted from the respective gaps. Thereby, the auxiliary belt 10 is engaged with a seat belt 3 to fix the child seat to a seat.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for fixing a child seat to a vehicle seat with a vehicle seat belt using a vehicle seat belt, and an auxiliary fixing belt for the child seat. In the vehicle seat belt, the shoulder belt and the waist belt side are referred to as an outer belt, and the buckle side hooked on the tongue plate is referred to as an inner belt.

[0002]

2. Description of the Related Art A child seat is mounted on a vehicle seat to protect a young person from obstacles, and is fixed to the seat with a vehicle seat belt. A securing device is attached to the seat belt, and the seat belt is configured to firmly restrain the restrained body by the securing device in the event of a strong impact such as a sudden brake, or in the event of a collision accident. I have. However, since the child seat carries a young person who can not be protected by himself, sufficient measures are necessary especially for safety, so that not only the securing device of the seat belt but also the child seat does not jump out of the seat. It was necessary to fix the child seat to the seat by firmly fixing the seat belt to the child seat.

[0003]

The Ministry of Transport has established technical standards based on the Road Transport Vehicle Law, and has established a device model designation system to confirm compliance with the standards. Specify the model number for child seats that conform to technical standards,
A model designation mark is displayed on the child seat that has received the model designation. On the other hand, in the case where a child who cannot use a child seat, particularly a child who cannot sit in a sitting position, is mounted on the vehicle, the child faces the seat of the vehicle backward (the back of the child seat is mounted so as to face the back of the seat. If the child seat of the front / rearward type that satisfies the above criterion is mounted on the vehicle seat, and the child seat is mounted rearward using a safe three-point seat belt, the vehicle In some cases, the child seat cannot be worn because the length of the seat belt is insufficient.

An object of the present invention is to solve the above-mentioned problems, and to provide a method of fixing a child seat to a seat when the child seat is mounted rearward on a vehicle seat, and to provide an auxiliary belt therefor. It is the purpose.

[0005]

In order to solve the above-mentioned problems, a child seat fixing method according to the present invention is performed as follows. That is,
When a child seat that can be worn forward or backward is mounted on a vehicle seat, the auxiliary belt is interposed between the outer belt and the inner belt of the vehicle seat belt.

Further, the auxiliary belt for fixing a child seat according to the present invention has a first hook portion which can be hooked on an inner belt of a vehicle seat belt at one end, and an outer belt of a vehicle seat belt at the other end. It has a second hook that can be hooked, and a belt body is disposed between the first hook and the second hook.

[0007] Preferably, the first hooking portion has a ring member detachably hooked to the inner belt.

[0008] More preferably, the second hook portion may have a ring member that is removably hooked to the outer belt.

[0009]

According to the present invention, the child seat is
It is configured as a forward-facing and rear-facing type.After attaching this child seat to the seat part of the vehicle and inserting it into the hook of the child seat with the outer belt, the outer belt is attached to both ends of the auxiliary belt. And an inner belt, and connect the outer belt and the inner belt. Thereafter, the child seat is fixed to the seat by pulling the outer belt and stretching the waist belt and the inner belt. When the front-rearward-type child seat is attached to the seat in the rearward direction, the length of the outer belt of the seatbelt is generally insufficient, so the childbelt cannot be hooked to the inner belt as it is. By interposing the auxiliary belt, it is possible to connect to various types of vehicles.

The auxiliary belt according to the present invention comprises a belt main body, and first and second hook portions disposed at both ends of the belt main body. The first hook portion is hung on the inner belt. Since the second hook portion can be hooked on the outer belt, if one hook portion, for example, the first hook portion is hooked and fixed on the inner belt, the second hook portion and the second hook portion are fixed. The outer belt can be easily detachably connected to the outer belt.

If one of the hooks has a ring member detachably hooked to the inner belt, the auxiliary belt can be easily attached to the inner belt by attaching the ring member to the inner belt. Can be attached.

Further, if the other hooking portion has a ring member detachably hooked to the outer belt, the auxiliary belt can be easily attached to the outer belt by attaching the ring member to the outer belt. You can hang on.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The child seat 1 described in the present embodiment is configured to be attached to a seat of a vehicle in a forward direction and a rear direction. In FIG. 1, the child seat 1 is positioned rearward on a seat in a traveling direction. The outer belt 5 which can be extended and retracted of the seat belt 3 is hooked on a hook formed on the child seat 1 and the inner belt 4 fixed to the vehicle is provided.
The other end of the auxiliary belt 10 whose one end is hung on the outer belt 5 is hung.

As shown in FIGS. 2 to 5, the auxiliary belt 10 includes a belt main body 11, and first and second hanging rings 12 and 13 disposed at both ends of the belt main body 11. . The belt body 11 is formed with a band-shaped cloth material and formed with return holes 111 and 112 at both ends, and a first hook ring 12 hookable on the inner belt 4 and a second hook hookable on the outer belt 5. The ring 13 is rotatably mounted in each of the return holes 111 and 112.
The first latch ring 12 and the second latch ring 13 described in the following embodiments are both formed to have the same shape, but the first latch ring 12 and the second latch ring 13 have different shapes. It may be formed.

The first latching ring 12 is formed by forming a bar having a circular cross section into a trapezoidal ring shape, and inserting one side (upper side 121) into one of the folded holes 111 of the belt body 11 and the other side (upper side). The lower side 122 is formed so as to be hooked on the folded portion 41 of the inner belt 4 (see FIG. 3).

The second latching ring 13 is provided with the first latching ring 1.
2, a bar having a round cross section is formed in a trapezoidal ring shape, one side (upper side 131) is inserted into one folded portion 112 of the belt main body 11, and the other side (lower side 132) is inserted into the outer belt 5. (See FIG. 3).

At one side 123 (or 133) of the first hook ring 12 (or the second hook ring 13), a bar is cut and one end of the inner belt 4 (or the outer belt 5) is attached and detached. A gap 124 (or 134) is formed, and the thread 12 is formed on both sides of the gap 124 (or 134).
5.125 (or 135.135) is formed. The nut member 126 (136) is movably disposed to cover the gap 124 (or 134) so as to screw into the screw portion 125 (or 135) to open and close the gap 124 (or 134). .

The first latch ring 12 or the second
The retaining ring 13 is connected to the nut member 126 (or 136).
Is moved toward one of the threaded portions 125 (or 135) to open the voids 124 (or 134), and is hooked on the folded portion 41 of the inner belt 4 or the outer belt 5, respectively, to connect the auxiliary belt 10. Let it.

Next, the operation when the child seat 1 is mounted on the rear seat of the vehicle in a rearward direction will be described.

Normally, a buckle 6 is attached to the inner belt 4 as shown in FIG. 1, and the lower end of the buckle 6 is attached to the inner belt 4. When the child seat 1 is mounted on the seat in a forward direction, the child belt 1 of the seat belt 3 can be fixed to the seat by hanging the tongue plate on the buckle 6.

However, in particular, when the child seat 1 is mounted rearward on the rear seat, the length of the outer belt 5 is generally short, and the outer belt 5 is hung on the inner belt 4 in this state. Can not do it. In this case, the child seat 1 is fixed to the seat with the auxiliary belt 10 interposed between the inner belt 4 and the outer belt 5.

First, the first retaining ring 12 of the above-mentioned auxiliary belt 10 is engaged with the return hole 41 of the inner belt 4 and fixed. When the first hooking ring 12 is hooked on the inner belt 4, the nut member 126 arranged on the first hooking ring 12 moves around one screw portion 125 formed in advance on the side 123. The space 124 is opened by being moved by the rotation. And
As shown in FIG. 3, the folded portion 41 of the inner belt 4
Is inserted into the gap 124, and the threaded portion 125 on the side where the nut member 126 is not screwed is inserted into the folded portion 41. When the first latch ring 12 is attached to the folded portion 41 of the inner belt 4, the nut member 126 is returned to the original position and closed so as to cover the gap 124.
As a result, the auxiliary belt 10 is arranged in a state of being fixed to the inner belt 4.

On the other hand, an outer belt 5 inserted through a not-shown hook portion of the child seat 1 mounted rearward
Is moved to the vicinity of the second latch ring 13 of the auxiliary belt 10. Nut member 13 arranged on second latch ring 13
6 is one screw portion 13 formed on the side 133 in advance.
5 by rotating about 5
To be opened.

Then, the outer belt 5 is folded back,
The folded portion is inserted into the gap 134 of the second latch ring 13 and is hooked on the upper side 132. When the outer belt 5 is hooked on the second hook ring 13, the nut member 136 is rotated to cover the gap 134. As a result, the auxiliary belt 10 is connected to the seat belt 3, and by pulling the outer belt 5, the waist belt and the inner belt 4 of the outer belt 5 are stretched and the child seat 1 is fixed to the rear seat. Become.

In the above-described embodiment, the auxiliary belt is mounted first on the inner belt side, and the outer belt side is mounted later. However, the auxiliary belt is mounted first on the outer belt side. The inner belt side may be worn later.

As described above, the child seat 1 is configured as a front-facing / back-facing type.
The child seat 1 is attached to the seat of the vehicle in a rearward direction. After the child seat 1 is inserted into the hook portion of the child seat 1 with the outer belt 5, the outer belt 5 and the inner belt 4 are hung at both ends of the auxiliary belt 10. Then, the outer belt 5 and the inner belt 4 are connected. Thereafter, the child seat 1 is fixed to the seat by pulling the outer belt 5 and stretching the waist belt and the inner belt 4.

When the child seat 1 of the forward-facing and rear-facing type is mounted on the seat in the backward direction, the length of the outer belt 5 of the seat belt 3 is generally insufficient. It is not possible to hang on and it is possible to connect to various types of vehicles by interposing the auxiliary belt 10.

The auxiliary belt 10 of the present invention comprises the belt body 1
1 and a first latching ring 12 and a second latching ring 13 arranged at both ends of the belt body 11,
Since the hook ring 12 can be hooked on the inner belt 4 and the second hook ring 13 can be hooked on the outer belt 5,
If one of the retaining rings, for example, the first retaining ring 12 is retained on the inner belt 4 and fixed in advance, the second retaining ring 13 and the outer belt 5 are attached each time. Thus, the child seat 1 can be easily fixed to the seat.

[0029] One of the hooks is the inner belt 4.
If the auxiliary belt 10 has the hook ring 12 (or 13) detachably attached to the inner belt 4, the auxiliary belt 10 is easily attached to the inner belt 4 by attaching the hook ring 12 (or 13) to the inner belt 4. It can be attached to.

Further, the other hooking part is the outer belt 5
If the auxiliary belt 10 is provided with a retaining ring 13 (or 12) detachably attached to the outer belt 5, the auxiliary belt 10 is easily attached to the outer belt 5 by attaching the retaining ring 13 (or 12) to the outer belt 5. Can be hanged on.

In the above embodiment, the first latch ring 12
Although the example which formed the 2nd latching ring 13 and the same shape was shown, it is not restricted to the above. For example, when the 1st latching ring and the 2nd latching ring are formed in different shapes, one latching ring is It may be configured to be divided into two parts so that the fastening plate and the bolt can be integrated so as to be detachable.

[Brief description of the drawings]

FIG. 1 is a front view showing a state in which a child seat mounted in a backward direction is hung by a seat belt and an auxiliary belt.

FIG. 2 is a plan view showing an auxiliary belt in FIG.

FIG. 3 is a side view of the same.

FIG. 4 is a plan view showing details of a first latch ring (second latch ring) in FIG. 2;

FIG. 5 is a partial sectional view of FIG.

[Explanation of symbols]

 1 ... child seat 3 ... seat belt 4 ... Inner belt 41 ... folded portion 5 ... outer belt 10 ... auxiliary belt 11 ... belt body 12 ... first latching ring 13 ... second locking ring 111 ... folded holes 112 ... folded hole Department

Claims (4)

[Claims] 1. An auxiliary belt is interposed between an outer belt and an inner belt of a vehicle seat belt when a child seat that can be worn forward or backward is mounted on a vehicle seat in a rearward direction. How to fix the child seat to the seat. 2. A vehicle according to claim 1, wherein one end of the vehicle seat belt has a first hook portion that can be hooked on an inner belt, and the other end has a second hook portion that can be hooked on an outer belt of the vehicle seat belt. An auxiliary belt for fixing a child seat, wherein a belt main body is disposed between the first hook portion and the second hook portion. 3. The auxiliary belt for fixing a child seat according to claim 2, wherein the first hook portion has a ring member detachably attached to the inner belt. 4. The auxiliary belt for fixing a child seat according to claim 2, wherein the second hooking portion has a ring member detachably hooked on the outer belt.