JP2001018746A - Safety belt - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safety belt prevented from slackening in an accident to prevent a human body from slipping off by making the belt very easy to fasten, and winding the belt around the overall peripheries of feet according to an occupant's physique, with no play in the right and left lower portions of the feet. SOLUTION: A belt 6 is extended from the right and left fixing parts of the backrest of a seat to the seating position of the seat and a flexible ring 7 and a fastener are provided on the belt 6 extended. The safety belt 6 is lowered from the shoulder of the vehicle body to an opposite waist part, is passed through the ring 7 from the outside, is extended over feet and is fastened to the fastener provided on the opposite side of the belt 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety belt capable of preventing a human body from slipping off the safety belt and hitting a head against a windshield in an automobile accident.

[0002]

2. Description of the Related Art Conventionally, this kind of safety belt has to be considerably wider than a foot width because a fulcrum of fastening is fixed for everybody.
Even if it was strongly tightened, a three-point system was used that could only be tightened when there were gaps left and right in the legs.

[0003]

Therefore, in the event of an accident, if a strong force is applied to the foot, the belt, which has been tightened with a gap left and right, may be loosened, and the looseness may cause the chest belt to loosen. It became loose and the human body slipped through, causing accidents such as hitting the head against the windshield.

[0004] In view of such circumstances, an object of the present invention is to provide a safety belt capable of preventing a human body from slipping through the belt with less slack in an accident.

[0005]

According to the present invention, there is provided a safety belt which stretches a belt from left and right fixing portions of a seat back to a seating position of a seat, and a flexible ring and a fastener are attached to the stretched belt. A safety belt is lowered from the shoulder of the vehicle body to the waist diagonally from the shoulder, the belt is passed through the ring from the outside, the leg is extended, and it is fixed to the fastener provided on the opposite belt. is there.

According to a second aspect of the present invention, the safety belt is fixed to the belt by pressing the ring and the fastener with the belt so as to slide only within a predetermined range on the belt.

According to a third aspect of the present invention, in the safety belt, the belt is stretched from the left and right fixing portions of the seat back to the seating position of the seat, and a fastener is provided on the stretched belt. Fix the ring rotatably, lower the safety belt from the shoulder of the vehicle body to the diagonal waist, pass the belt through the ring from the outside, extend the feet, and tighten the belt provided on the opposite side of the belt It is fixed to the tool.

According to a fourth aspect of the present invention, the safety belt is fixed to the belt by pressing the fastener with a belt so as to slide only within a predetermined range on the belt.

According to a fifth aspect of the present invention, the ring is formed of a vinyl-coated wire.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Next, an embodiment of the present invention will be described.

1 to 5 are external views of a safety belt according to Embodiment 1 of the present invention. 1 to 5,
1 is the occupant's chest, 2 is the occupant's leg, 3 is the seating surface of the seat,
4 is a column, 5 is a retractor slidably fixed to the column 4, 6 is a belt, 7 is a ring, 8 is a tongue piece,
9 is a belt buckle, 10 is a seat surface belt, 11 is a holding belt, 12 and 13 are fixing means, 14 is a seat, 15a
Is a belt hole, 15b is a bolt hole, 15c is expansion and contraction means, 1
6a is a belt hole, 16b is a bolt hole, and 16c is a crimp terminal having a plurality of bolt holes 16c.

In FIG. 1, after sitting on the seating surface 3, the vertical position of the retractor 5 is slid within the range indicated by the arrow A in the figure and fixed according to the occupant's physique. Thereafter, the safety belt 6 is pulled out from the retractor 5, the ring 7 is passed through from the outside, passed over the leg 2, and the insertion tongue 8 is inserted into the belt buckle 9 to be fixed. The ring 7 and the belt buckle 9 are sewn on a seat belt 10 with a holding belt 11 and slidable in the range of arrows C and B in the right and left directions according to the width of the legs by fixing means 12 such as a high frequency sewing machine, respectively. Fixed. Both ends of the seat belt 10 are fixed to the lower part of the seat 14 by fixing means 13 such as bolts. At this time, the ring 7 is deformed according to the size and shape of the occupant's leg 2 and slides left and right. Similarly, the belt buckle 9 slides right and left, and the friction between the ring and the belt is small. Since the belt is fixed so as to be wound around, the belt is very easy to be tightened in accordance with the flexibility of the ring, and there is no gap between the belt and the foot, so that a safety belt having a high effect of preventing a human body from slipping through at the time of an accident can be obtained.

The material of the ring 7 may be a flat, donut-shaped plastic such as flexible polypropylene or nylon, or a vinyl-coated wire. The vinyl-coated wire is suitably flexible. Especially good.

In FIG. 2, the ring 15 is made of, for example, a flexible plastic, and has a belt hole 15a and a bolt hole 15b at both ends, and the distance between the belt holes 15a and the expansion / contraction means 15c.
By pressing and changing the latch 15d while releasing it, the latch can be easily fixed at that position.

In FIG. 3, this ring 15 is
It is fixed to the lower part with bolts 13. After sitting on the seating surface 3, adjust the position of the belt hole 15 a according to the user's physique by using the elastic means 15.
By pressing the latch 15d and changing it with c to adjust it, it can be adjusted to the occupant's physique. Thereafter, the safety belt 6 is pulled out from the retractor 5, passed through the belt hole 15 a from the outside, passed over the leg 2, and inserted into the belt buckle 9 to be fixed. The belt buckle 9 is sewn to a seat surface belt 10 with a holding belt 11 by sewing means or a high-frequency sewing machine or the like so that the belt buckle 9 can be slid right and left in the range of arrow B in the figure according to the width of the leg.
Both ends of the seat belt 10 are fixed to the lower part of the seat 14 by fixing means 13 such as bolts. At this time, the ring 15 is deformed according to the size and shape of the leg 2 and slides left and right,
The belt buckle 9 slides to the left and right, and the friction between the ring and the belt is small so that the ring 15 and the belt 6 are fixed so as to be wound around the entire circumference of the foot. Because there is no gap between the foot and the foot, a safety belt having a high effect of preventing the human body from slipping through at the time of an accident can be obtained.

In FIG. 4, the ring 16 is made of, for example, a flexible vinyl-coated wire, a nylon rope, or the like, and is crimped by a crimp terminal 16c having a plurality of bolt holes 16b to form a belt hole 16a.

In FIG. 5, the ring 16 is
It is fixed to the lower part with bolts 13. After sitting on the seating surface 3, it is adjusted by selecting and fixing the bolt hole 16b for fixing the position of the belt hole 16a with the bolt 13 according to the user's physique. Then, the safety belt 6 from the retractor 5
Is pulled out and passed through the belt hole 16a from the outside, passed over the leg 2, and the insertion tongue piece 8 is inserted into the belt buckle 9 to be fixed. The belt buckle 9 is sewn to a seat surface belt 10 with a holding belt 11 by sewing means or a high-frequency sewing machine or the like so that the belt buckle 9 can be slid right and left in the range of arrow B in the figure according to the width of the leg. Both ends of the seat belt 10 are fixed to the lower part of the seat 14 by fixing means 13 such as bolts.
It is fixed at. At this time, the ring 16 is deformed according to the size and shape of the leg 2 and slides left and right, the belt buckle 9 slides left and right, and the friction between the ring and the belt is small, so that the whole foot Since the belt is fixed so as to be wound around, the belt is very easily tightened in combination with the flexibility of the ring, and there is no gap between the belt and the foot. Therefore, a safety belt having a high effect of preventing the human body from slipping through in the event of an accident can be obtained.

[0018]

As described above, according to the first aspect of the present invention,
A belt is stretched from the left and right fixed portions of the seat back to the seating position of the seat, a flexible ring and a fastener are provided on the stretched belt, and a belt is provided from the shoulder of the vehicle body to the diagonal waist. Lowered, the belt is extended from the outside through the ring, the top of the foot is extended and fixed to the fastener provided on the opposite side of the belt, so the friction between the ring and the belt is small, and the entire circumference of the foot is wound around the ring and the belt Since the belt is fixed as described above, the belt is very easily tightened in accordance with the flexibility of the ring, and there is no gap between the belt and the foot. Therefore, a safety belt having a high effect of preventing the human body from slipping through in the event of an accident can be obtained.

As described above, according to the second aspect of the present invention, the ring and the fastener are fixed to the belt by pressing the belt so as to slide only within a predetermined range on the belt. Since the position of the fastener and the ring on the belt can be adjusted by sliding the position on the belt, a safety belt having a higher effect of preventing the human body from slipping through in the event of an accident can be obtained.

According to the third aspect of the present invention, a belt is stretched from the left and right fixing portions of the seat back to the seating position of the seat, and a fastener is provided on the stretched belt, and a lower portion of the seat is provided. A rotatable flexible ring on the
Since the safety belt was lowered from the shoulder of the vehicle body to the diagonal waist, the belt was passed through the ring from the outside, the legs were extended, and fixed to the fastener provided on the opposite belt,
The flexibility of the ring keeps the shape of the ring, and the safety belt is easier to pass through because the ring protrudes above the seat and is fixed, so that it is easy to tighten because the friction is small and it is easy to bend along the body.

According to the fourth aspect of the present invention, the fastener is fixed to the belt by pressing the belt with the belt so as to slide only within a predetermined range on the belt. Since the position of the tool on the belt can be adjusted to the size of the body by sliding, a safety belt having a higher effect of preventing the human body from slipping through in the event of an accident can be obtained.

As described above, according to the fifth aspect of the present invention, since the ring is made of a vinyl-coated wire, the shape of the ring is maintained by the elasticity of the wire, so that the safety belt can be easily passed through, and the friction is small, and The easy-to-bend safety belt is easy to fasten.

[Brief description of the drawings]

FIG. 1 is an external view of a safety belt according to Embodiment 1 of the present invention.

FIG. 2 is an external view of a safety belt according to Embodiment 1 of the present invention.

FIG. 3 is an external view of a safety belt according to Embodiment 1 of the present invention.

FIG. 4 is an external view of the safety belt according to the first embodiment of the present invention.

FIG. 5 is an external view of the safety belt according to the first embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 3 Seating surface 5 Retractor 6 Safety belt 7, 15, 16 Ring 8 Insertion tongue 9 Belt buckle 10 Seat surface belt 11 Pressing belt 12, 13 Fixing means 14 Seat 15a Belt hole 15b Bolt hole 15c Telescopic means 15d Latch 16a Belt hole 16b Bolt hole 16c Crimp terminal

Claims (5)

[Claims] 1. A belt is stretched from left and right fixing portions of a seat back to a seating position of a seat, a flexible ring and a fastener are provided on the stretched belt, and a diagonal from a shoulder of a vehicle body of a vehicle body. A safety belt, wherein a safety belt is lowered to the waist of the user, the belt is passed through the ring from the outside, the leg is extended, and the belt is fixed to a fastener provided on the opposite side of the belt. 2. The safety belt according to claim 1, wherein the ring and the fastener are fixed to the belt by pressing the belt so as to slide only within a predetermined range on the belt. 3. A belt is stretched from left and right fixing portions of the seat back to the seating position of the seat, a fastener is provided on the stretched belt, and a flexible ring is rotatable at a lower portion of the seat. Fixing, lowering the safety belt from the shoulder of the vehicle body to the diagonal waist, extending the belt through the ring from the outside, extending the top of the foot, and fixing it to the fastener provided on the opposite belt Characterized safety belt. 4. The safety belt according to claim 3, wherein the fastener is fixed to the belt by pressing it with a belt so as to slide only within a predetermined range on the belt. 5. The ring according to claim 1, wherein the ring is formed of a vinyl-coated wire.
The safety belt according to any one of the above.