JP4206927B2 - Seat belt device - Google Patents

Description

  The present invention relates to a seat belt device, and more particularly to a seat belt device that is attached to a seat belt of a vehicle such as an automobile and protects a pregnant woman at the time of a vehicle collision.

Conventionally, in a seat belt device that is mounted on a seat of a vehicle such as an automobile and protects an occupant in the event of a vehicle collision, a configuration in which the seat belt device is detachably attached with a tape to a portion of the seat belt that restrains the occupant's abdomen (For example, refer to Patent Document 1).
Japanese Patent Laid-Open No. 4-183655

  However, in Patent Document 1, the seat belt device linearly crosses the occupant's abdomen in front view. As a result, when the vehicle body suddenly decelerates, an impact load acts on the womb of the pregnant woman seated on the seat via the seat belt device. Further, even during normal use, the uterus is pressed by the lumbar seat belt. Further, when a person with an obese constitution wears, a feeling of pressure on the abdomen occurs.

  In consideration of the above fact, the present invention can reduce the impact load acting on the womb of a pregnant woman seated on the seat when the vehicle body is suddenly decelerated, and can relieve the pressure of the uterus by the lumbar seat belt even during normal use, It is an object to obtain a seat belt device that can relieve the feeling of pressure in the abdomen even when worn by an obese person.

The present invention according to claim 1 is a seat belt device that is attached to a lumbar seat belt that restrains a lumbar portion of an occupant seated in a seat,
An impact-absorbing member that is curved into a V-shape when viewed from the front when worn on the lumbar seat belt;
A skin for attaching the shock absorbing member to the abdominal restraint portion of the waist seat belt by wrapping the abdominal restraint portion of the waist seat belt and the shock absorbing member;
Have
A shape of a front view of a portion of the waist seat belt that restrains the abdomen of the occupant is bent into a V shape.

Therefore, when the mounting state to the lumbar seat belt is viewed from the front, the shock absorbing member curved in a V shape and the abdominal restraint portion of the lumbar seat belt are wrapped with the epidermis, and the abdominal restraint portion of the lumbar seat belt is wrapped around by mounting the shock absorbing member can be bent in a V-shape to avoid uterine pregnant women who sits sites for restraining the abdomen of the occupant in the seat in the lumbar seat belt. As a result, when the vehicle body suddenly decelerates, the impact load acts on the site avoiding the womb of the pregnant woman seated on the seat via the seat belt device. For this reason, when the vehicle body suddenly decelerates, the impact load acting on the womb of the pregnant woman seated on the seat can be reduced. In addition, uterine pressure can be relieved even during normal use. Furthermore, even when an obese person wears it, the abdominal pressure can be relieved. Further, the surface pressure received by the occupant is reduced, and there is no need to wear the seat belt device on the waist seat belt for each ride.

The present invention according to claim 1 is a seat belt device mounted on a lumbar seat belt that restrains the lumbar region of an occupant seated in a seat, and is V-shaped when the mounting state on the lumbar seat belt is viewed from the front. A shock absorbing member curved in shape, and a skin for mounting the shock absorbing member on the abdomen restraint part of the waist seat belt by wrapping the abdomen restraint part of the waist seat belt and the shock absorbing member, The front view of the part of the seat belt that restrains the occupant's abdomen is bent into a V-shape, so that when the vehicle body suddenly decelerates, the impact load acting on the womb of the pregnant woman sitting on the seat can be reduced, and normal use Sometimes it can relieve pressure on the uterus, and also has an excellent effect of being able to relieve the feeling of pressure on the abdomen even when worn by a person with obesity. In addition, the surface pressure received by the occupant is reduced, and there is an excellent effect that there is no trouble of mounting the seat belt device to the waist seat belt for each ride.

  An embodiment of a seat belt device according to the present invention will be described with reference to FIGS.

  In the figure, the arrow UP indicates the vehicle body upward direction, the arrow FR in the figure indicates the vehicle body front direction, and the arrow IN in the figure indicates the vehicle width inside direction.

  As shown in FIG. 1, in this embodiment, an occupant 12 seated on a front seat 10 can be restrained by a seat belt webbing 14 as a seat belt.

  The seat belt webbing 14 is wound around a seat belt retractor 18 disposed at the lower part of the center pillar 16, and the front end portion 14 </ b> A of the seat belt webbing 14 is outside the vehicle width direction outer portion of the floor 22 by a lap outer anchor 20. It is connected to a bracket 24 fixed to 22A. The seat belt buckle 26 is connected to a bracket 30 fixed to the vehicle width direction inner side portion 22B of the floor 22 by a seat cushion wrap inner anchor 28.

  A tongue plate 34 is disposed on the seat belt webbing 14, and by inserting the tongue plate 34 into the seat belt buckle 26, tension is applied to the seat belt webbing 14, and a folded portion 14 </ b> B is formed on the seat belt webbing 14. In addition, the occupant 12 seated on the front seat 10 can be restrained by the seat belt webbing 14.

  A portion of the seat belt webbing 14 from the distal end portion 14A to the folded portion 14B is a waist seat belt 40 that restrains the waist portion of the occupant 12. Further, a portion of the lumbar seat belt 40 between the portions 40A and 40B contacting the thighs 12A and 12B of the occupant 12 is an abdominal restraint portion 40C that restrains the abdomen of the occupant 12.

  As shown in FIG. 2, a seat belt device 44 is attached to the abdomen restraint portion 40 </ b> C of the lumbar seat belt 40.

  As shown in FIG. 1, the abdominal restraint portion 40C of the lumbar seat belt 40 avoids the uterus 12C of the occupant (pregnant woman) 12 seated on the front seat 10 when the seat belt device 44 is attached. It becomes V-shaped.

As shown in FIG. 2, the seat belt device 44 includes an impact absorbing member 50 made of soft urethane disposed on the abdomen side of the occupant 12 of the abdomen restraint part 40 </ b> C in the waist seat belt 40, and abdomen restraint in the waist seat belt 40. A skin 52 that wraps the portion 40C and the shock absorbing member 50, and a hook- and- loop fastener 54 for joining the terminals 52A and 52B along the longitudinal direction of the skin 52 are configured.

As shown in FIG. 1 , the impact absorbing member 50 in the seat belt device 44 is curved in a V shape when viewed from the front when worn on the lumbar seat belt, and as shown in FIG. The absorbing member 50 and the hook- and -loop fastener 54 are fixed to the skin 52 in advance. In the state where the skin 52 is unfolded (the state shown in FIG. 3), the abdomen restraint portion 40C of the lumbar seat belt 40 is set along the shock absorbing member 50, and then the terminals 52A and 52B along the longitudinal direction of the skin 52 are placed. The seat belt device 44 can be attached to the abdomen restraint portion 40 </ b> C of the lumbar seat belt 40 by joining the hook-and-loop fastener 54 disposed on the waist.

  As shown in FIG. 1, the seat belt device 44 bends the abdominal restraint portion 40C of the lumbar seat belt 40 into a V shape avoiding the uterus 12C of the occupant (pregnant woman) 12 seated on the seat 10. The V-shaped lower end top portion 44 </ b> A of the seat belt device 44 is positioned at a portion facing the pubic bone of the occupant 12.

  Next, the operation of this embodiment will be described.

  In this embodiment, the seat belt device 44 is attached to the abdominal restraint portion 40C of the lumbar seat belt 40, so that the shape of the abdominal restraint portion 40C of the lumbar seat belt 40 is viewed from the front (the pregnant woman) 12 seated on the seat 10. Can be bent into a V shape avoiding the uterus 12C. As a result, as shown in FIG. 4, the seat belt device 44 is positioned on the thighs 12A and 12B of the occupant 12 by its own weight in the normal wearing state, and avoids the uterus 12C of the occupant (pregnant woman) 12 seated on the seat 10. In the position. As a result, compression of the uterus 12C during normal use by the abdomen restraint 40C of the lumbar seat belt 40 can be eased.

  Further, when the vehicle body suddenly decelerates, as shown in FIG. 5, the seat belt device is held at a position below the uterus 12C of the occupant 12 without being raised in the direction of the uterus 12C of the occupant 12. 44 can be prevented from rising and twisting.

  For this reason, in the present embodiment, a wide area including a portion that avoids the uterus 12C of the occupant (pregnant woman) 12 seated on the seat 10 via the seat belt device 44, for example, a portion corresponding to the pubic bone of the occupant 12 or the like. The impact load acts on the surface and the surface pressure is reduced. For this reason, when the vehicle body rapidly decelerates, the impact load acting on the uterus 12C of the occupant (pregnant woman) 12 seated on the seat 10 can be reduced.

In the present embodiment, once the seat belt device 44 is once attached to the waist seat belt 40 with the hook- and -loop fastener 54, the seat belt device 44 can be used even when the waist seat belt 40 is not used, as shown in FIG. Integrates with the lumbar seat belt 40. As a result, in use, the seat belt device 44 can be used simply by inserting the tongue plate 34 of the seat belt webbing 14 into the seat belt buckle 26. For this reason, there is no time and effort to attach the seat belt device 44 to the waist seat belt 40 for each ride. Moreover, there is no need to remove the seat belt device 44 from the lumbar seat belt 40 when getting off.

In the present embodiment, the seat belt device 44 can be easily detached from the lumbar seat belt 40 by peeling off the surface fastener 54 of the seat belt device 44.

  Although the present invention has been described in detail with respect to specific embodiments, the present invention is not limited to the above-described embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in the above embodiment, the case where the occupant 12 seated on the front seat 10 is a pregnant woman is described. However, when the occupant 12 seated on the front seat 10 is obese, by using the seat belt device 44, Can relieve the feeling of pressure in the abdomen.

  Moreover, in the said embodiment, although the impact-absorbing member 50 of the seatbelt device 44 was comprised with soft urethane, the impact-absorbing member 50 of the seatbelt device 44 is not limited to soft urethane, You may comprise with another member. . Further, the material of the skin 52 of the seat belt device 44 is not limited.

  In the above embodiment, the impact absorbing member 50 of the seat belt device 44 is disposed on the abdomen side of the occupant 12 of the abdominal restraint portion 40C in the waist seat belt 40. Instead, the impact of the seat belt device 44 is provided. It is good also as a structure which has arrange | positioned the absorption member 50 in the perimeter of the abdominal part restraint part 40C in the waist seat belt 40. FIG.

It is a front view which shows the seatbelt webbing with which the seatbelt device which concerns on one Embodiment of this invention was mounted | worn. It is a schematic sectional drawing in alignment with line 2-2 in FIG. It is an expanded view which shows the seatbelt device which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body diagonally front which shows the normal use state of the seatbelt device which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body diagonally front which shows the vehicle body rapid deceleration state of the seatbelt device which concerns on one Embodiment of this invention. It is the perspective view seen from the vehicle body diagonal front which shows the state which is not using the seatbelt webbing equipped with the seatbelt device concerning one embodiment of the present invention.

Explanation of symbols

10 Front seat 12 Crew 12C Crew (pregnant) uterus 14 Seat belt webbing (seat belt)
26 seat belt buckle 34 tongue plate 40 waist seat belt 40C abdominal restraint part of waist seat belt 44 seat belt device 50 shock absorbing member 52 skin 54 surface fastener

Claims (1)

A seat belt device that is attached to a lumbar seat belt that restrains the lumbar region of an occupant seated in a seat,
An impact-absorbing member that is curved into a V-shape when viewed from the front when worn on the lumbar seat belt;
A skin for attaching the shock absorbing member to the abdominal restraint portion of the waist seat belt by wrapping the abdominal restraint portion of the waist seat belt and the shock absorbing member;
Have
A seat belt device, wherein a shape of a portion of the waist seat belt that restrains the abdomen of the occupant in front view is bent into a V shape.

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