JP5169673B2 - Crew restraint - Google Patents

Description

  The present invention relates to an occupant restraint.

Conventionally, as an occupant restraint, the following are known (for example, refer to patent documents 1 to 3). That is, Patent Document 1 discloses an example of webbing in which an expanding body is provided integrally. Patent Document 2 discloses an example of a wide auxiliary webbing fixed in advance to a normal webbing. Patent Document 3 discloses an example of webbing in which a wide part is formed in part.
JP-A-6-262959 JP 2007-137388 A JP 2007-245786 A

  However, in the example described in Patent Document 1, although the impact on the occupant can be reduced by the inflatable body, the movable space between the webbing and the occupant becomes small because the inflatable body has a three-dimensional shape when inflated. In addition, since the surface of the inflatable body in contact with the occupant is a curved surface, the diffusion effect of the force applied from the occupant to the webbing is reduced. Furthermore, in order to restrain the occupant, it is necessary to effectively operate the edge portion in the occupant restraint portion of the webbing, but even if the inflating body is inflated, the occupant restraint action of the edge portion in the occupant restraint portion of the webbing is improved. I can't let you.

  Further, in the example described in Patent Document 2, the wide auxiliary webbing is fixed in advance to a normal webbing when the vehicle is manufactured, and this auxiliary webbing is applied to an existing seat belt device provided with a normal webbing. It is difficult to apply after manufacture.

  Similarly, in the example described in Patent Document 3, it is difficult to apply the wide portion to an existing seat belt device provided with a normal webbing after manufacturing the vehicle.

  The present invention has been made in view of the above problems, and an object thereof is to provide an occupant restraint that can restrain an occupant more effectively and can be applied to an existing seat belt device. With the goal.

  In order to solve the above-mentioned problem, an occupant restraint device according to claim 1 includes a pair of fixing devices fixed to a longitudinally separated position in an occupant restraining webbing, and the pair of fixing devices. When fixed to the webbing, the longitudinal ends are arranged adjacent to each other in the width direction of the webbing and extend along the longitudinal direction of the webbing. And at least a pair of auxiliary webbings that are fixed to one of the fixing tools and have the other longitudinal end fixed to the other of the pair of fixing tools.

  In the occupant restraint device according to the first aspect, the pair of fixing members are fixed at positions separated in the longitudinal direction of the existing webbing, so that the pair of auxiliary webbings are fixed to the existing webbing. Further, when the pair of auxiliary webbings are fixed to the existing webbing, the pair of auxiliary webbings are arranged adjacent to each other in the width direction in the width direction of the webbing and extend along the longitudinal direction of the webbing, respectively. It is assumed that

  Here, the pair of auxiliary webbing has a belt shape like the existing webbing. Therefore, a movable space between the webbing and the occupant can be secured. Further, the surface of the auxiliary webbing that comes into contact with the occupant is a flat surface, and at least one (plural) of the auxiliary webbing is provided. Therefore, the diffusion effect of the force applied from the occupant to the auxiliary webbing can be improved.

  Moreover, the pair of auxiliary webbings can be fixed to the existing webbing with a pair of fixtures. That is, the occupant restraint device of the present invention can be applied to an existing seat belt device.

  Thus, according to the passenger | crew restraint tool of Claim 1, a passenger | crew can be restrained more effectively and also the application to the existing seatbelt apparatus can be enabled.

  The occupant restraint device according to claim 2 is the occupant restraint device according to claim 1, wherein the occupant restraint device is formed on at least one of the pair of fixing tools, and a load of a predetermined amount or more acts from the occupant on the pair of auxiliary webbing. In this case, a separation promoting portion for separating the fixing portion of the pair of auxiliary webbings from the fixture in the width direction of the webbing is further provided.

  According to the occupant restraint device according to claim 2, when a load greater than or equal to a predetermined value is applied to the pair of auxiliary webbings from the occupant, the fixing portion of the pair of auxiliary webbings with the fixture is separated by the separation promoting unit. They are separated from each other in the width direction of the webbing. Thereby, since the whole width of the fixing part with the fixture in the pair of auxiliary webbing is widened, the occupant restraining action of the edge portion in the occupant restraining part (longitudinal intermediate part) of the auxiliary webbing can be improved.

  The occupant restraint device according to claim 3 is the occupant restraint device according to claim 2, wherein at least one of the pair of fixing devices is attached to a first fixing portion to which the webbing is detachably fixed, and to the webbing The pair of second fixing portions, which are located on both sides in the width direction, with respect to the pair of second fixing portions to which the pair of auxiliary webbings are respectively fixed, and the central portion of the second fixing portion in the width direction of the auxiliary webbing And a connecting portion serving as the separation promoting portion for connecting the second fixing portion to the first fixing portion on the mutually separated sides.

  According to the occupant restraint device of the third aspect, when a predetermined load or more is applied from the occupant to the pair of auxiliary webbings, the pair of second fixing portions is connected to the first fixing portion. Is pivoted outward in the width direction of the webbing. Accordingly, the fixing portions of the pair of auxiliary webbings with the fixture can be separated from each other in the webbing width direction.

  The occupant restraint device according to claim 4 is the occupant restraint device according to any one of claims 1 to 3, wherein longitudinally intermediate portions of the pair of auxiliary webbing are arranged in a width direction of the webbing. It further includes a restraining portion that restrains the state to be in a state.

  According to the occupant restraint device according to the fourth aspect, the restraint portion restrains the longitudinal intermediate portions of the pair of auxiliary webbings in a state of being aligned in the width direction of the webbing. Accordingly, since the overlapping of the pair of auxiliary webbings can be suppressed, the occupant can be more effectively restrained.

  The occupant restraint tool according to claim 5 is the occupant restraint tool according to any one of claims 1 to 4, further comprising a connecting portion for connecting the pair of fixing tools to each other.

  According to the occupant restraint device of the fifth aspect, when the webbing is not worn, the webbing and the auxiliary webbing can be brought into the storage form by connecting the pair of fixing members to each other by the connecting portion.

  As described above in detail, according to the occupant restraint device of the present invention, the occupant can be restrained more effectively, and can be applied to an existing seat belt device.

  Hereinafter, an embodiment of an occupant restraint device of the present invention will be described with reference to the drawings.

  FIG. 1 shows a use state of an occupant restraint 10 according to an embodiment of the present invention. FIGS. 2 and 3 show the occupant restraint 10 in a plan view and a side sectional view, respectively. Has been.

  Note that an arrow UP and an arrow OUT shown in FIG. 1 respectively indicate an upper side in the vertical direction and an outer side (right side) in the width direction of the vehicle 100 in which the occupant restraint tool 10 is used.

  An occupant restraint device 10 according to an embodiment of the present invention is suitably attached to a seat belt device 102 (for example, a seat belt device for a driver's seat) installed in a vehicle 100 such as a passenger car. The configuration is as follows.

  That is, the occupant restraint tool 10 includes a pair of fixing tools 12A and 12B, a pair of auxiliary webbings 14A and 14B, and a restraining member 16 as a restraining part as main components.

  The pair of fixing tools 12A and 12B are detachably fixed to the occupant restraining webbing 104 provided in the seat belt device 102 and have the same configuration. As shown in FIGS. 2 and 3, each of the fixing tools 12 </ b> A and 12 </ b> B includes a main body metal 18 and a stopper 20.

  The body fitting 18 is formed of a metal plate and is formed in a substantially trapezoidal shape in plan view as shown in FIG. As shown in FIGS. 2 and 3, the main metal fitting 18 has a first fixing hole 24 formed on the upper edge 22 side corresponding to the upper base of the trapezoid and a lower edge corresponding to the lower base of the trapezoid. A pair of second fixing holes 28A and 28B are formed on the 26 side.

  The pair of second fixing holes 28A and 28B are formed so as to be positioned on both sides in the width direction with respect to the webbing 104 fixed to the fixing tools 12A and 12B in a manner described in detail later. Further, screw holes (not shown) to be screwed with the screws 30 are formed on both sides of the fixing tools 12A and 12B with respect to the first fixing hole 24, respectively.

  The stopper 20 is formed in a longitudinal shape, and is configured to be fixed to the main body metal 18 with a screw 30.

  The main body 18 may be covered with a resin surface layer for protection, or may be covered with a cover 19 such as cloth, leather, rubber, or vinyl as shown in FIG. Further, the surface layer and the cover 19 may be fixed (coupled) to the main body metal 18 with a button, a surface tape, or the like.

  The pair of auxiliary webbings 14A and 14B are each formed in a belt shape like the webbing. One auxiliary webbing 14A has one end in the longitudinal direction inserted into the second fixing hole 28A of one fixing tool 12A and folded and then stitched, and then fixed to one fixing tool 12A, and the other end in the longitudinal direction is fixed to the other. It is fixed to the other fixing tool 12B by being stitched after being inserted into the second fixing hole 28A of the fixing tool 12B and folded back.

  Similarly, the other auxiliary webbing 14B is fixed to one fixing tool 12A by being stitched after one end in the longitudinal direction is inserted into the second fixing hole 28B of one fixing tool 12A and folded back, and the other in the longitudinal direction. The end side is inserted into the second fixing hole 28B of the other fixing tool 12B, folded back, and then sewn and fixed to the other fixing tool 12B.

  In the occupant restraint device 10, as shown in FIG. 3, the intermediate portion in the longitudinal direction of the webbing 104 is inserted from one side to the other side in the plate thickness direction of the main body metal 18 and protrudes from the main body metal 18 of the webbing 104. In a state where the stopper 20 is inserted inside the formed portion, the stopper 20 is fixed to the main body bracket 18 so that the webbing 104 is detachably fixed to the fixing members 12A and 12B. Yes.

  Moreover, in this passenger | crew restraint tool 10, when a pair of fixing tool 12A, 12B is fixed to the position spaced apart in the longitudinal direction in webbing 104 as mentioned above, as shown in FIG. 1, FIG. A pair of auxiliary webbings 14 </ b> A and 14 </ b> B are arranged adjacent to each other in the width direction of the webbing 104 and extend along the longitudinal direction of the webbing 104.

  The restraining member 16 is made of, for example, a cloth or a leather-made label tape, and is bonded so as to straddle the intermediate portion in the longitudinal direction of the pair of auxiliary webbings 14A and 14B. In other words, the restraining member 16 restrains the intermediate portions in the longitudinal direction of the pair of auxiliary webbings 14 </ b> A and 14 </ b> B to be aligned in the width direction of the webbing 104.

  The seat belt device 102 shown in FIG. 1 includes a retractor 106 for winding the webbing 104 in an emergency in addition to the webbing 104. The webbing 104 is provided with a tongue 108, and the tongue 108 is configured to be detachably engaged with a buckle 110 provided on the vehicle 100.

  Next, the operation and effect of the occupant restraint tool 10 according to one embodiment of the present invention will be described.

  In the occupant restraint device 10 according to one embodiment of the present invention, as shown in FIG. 1, the pair of fixing tools 12A and 12B are fixed at positions spaced apart in the longitudinal direction of the existing webbing 104, so that a pair of The auxiliary webbings 14A and 14B are fixed to the existing webbing 104.

  When the pair of auxiliary webbings 14A and 14B are fixed to the existing webbing 104, the pair of auxiliary webbings 14A and 14B are disposed adjacent to each other in the width direction in the width direction of the webbing 104, and the webbing 104 is respectively provided. It is set as the state extended along the longitudinal direction.

  Here, the pair of auxiliary webbings 14 </ b> A and 14 </ b> B has a belt shape like the existing webbing 104. Therefore, a movable space between the webbing 104 and the occupant P can be secured. Further, the surfaces of the auxiliary webbings 14A and 14B that come into contact with the passenger P are flat surfaces, and a pair (plural) of the auxiliary webbings 14A and 14B are provided. Accordingly, it is possible to improve the diffusion effect of the force applied from the passenger P to the auxiliary webbings 14A and 14B.

  In addition, the pair of auxiliary webbings 14A and 14B can be fixed to the existing webbing 104 by the pair of fixtures 12A and 12B. That is, the occupant restraint tool 10 according to an embodiment of the present invention can be applied to the existing seat belt device 102.

  As described above, according to the occupant restraint device 10 according to the embodiment of the present invention, the occupant P can be restrained more effectively, and can be applied to the existing seat belt device 102.

  Moreover, according to the passenger | crew restraint tool 10 which concerns on one Embodiment of this invention, it restrains by the restraint member 16 so that the longitudinal direction intermediate part in a pair of auxiliary webbing 14A, 14B may be in the state located in a line with the width direction of the webbing 104. The Accordingly, since the overlapping of the pair of auxiliary webbings 14A and 14B can be suppressed, the occupant P can be restrained more effectively.

  Next, a modified example of the passenger restraint tool 10 according to one embodiment of the present invention will be described.

(First modification)
In the said embodiment, the main body metal fitting 18 may be comprised as follows. That is, in the modification shown in FIGS. 4 and 5, the main body 18 includes a first fixing part 32, a pair of second fixing parts 34 </ b> A and 34 </ b> B, and connecting parts 36 </ b> A and 36 </ b> B (cantilever) as separation promoting parts. Part).

  The first fixing portion 32 constitutes the peripheral portion of the first fixing hole 24, and the second fixing portions 34A and 34B constitute the peripheral portions of the second fixing holes 28A and 28B, respectively. Yes. A notch 38 is formed between the first fixing portion 32 and the pair of second fixing portions 34A and 34B, and the second fixing portions 34A and 34B are positioned on both sides in the width direction with respect to the webbing 104. Yes.

  Further, the connecting portion 36A is second on the separation side (arrow A side) of the pair of second fixing portions 34A and 34B with respect to the central portion 35A of the second fixing portion 34A in the width direction of the auxiliary webbing 14A. The fixing portion 34 </ b> A is connected to the first fixing portion 32.

  Similarly, the connecting portion 36B is configured so that the pair of second fixing portions 34A and 34B are separated from each other (arrow B side) with respect to the central portion 35B of the second fixing portion 34B in the width direction of the auxiliary webbing 14B. The two fixing portions 34 </ b> B are connected to the first fixing portion 32.

  According to such a configuration, when a predetermined load or more is applied to the pair of auxiliary webbings 14A and 14B from the occupant, the pair of second fixing portions 34A and 34B are provided in the first state as shown in FIG. The webbing 104 is rotated outward (R direction) with respect to the fixed portion 32 using the connecting portions 36A and 36B as fulcrums. Accordingly, the fixing portions of the pair of auxiliary webbings 14A and 14B with the fixtures 12A and 12B can be separated from each other in the width direction of the webbing 104.

  As a result, the entire width of the fixing portion between the pair of auxiliary webbings 14A and 14B and the fixtures 12A and 12B is widened. Can be improved.

  In this modification, the main body metal 18 in the pair of fixing tools 12A and 12B includes the first fixing portion 32, the pair of second fixing portions 34A and 34B, and the connecting portions 36A and 36B as separation promoting portions. However, one body fitting 18 of the pair of fixtures 12A and 12B is the configuration of the above-described embodiment (configuration shown in FIG. 2), and the pair of fixtures 12A and 12B. The other body fitting 18 may have the configuration of the present modification (configuration shown in FIG. 4).

(Second modification)
Moreover, in the said embodiment, a pair of fixing tool 12A, 12B may be set as the following structure. That is, in the modified example shown in FIG. 6, a hook 40 as a connecting portion is provided in one fixing tool 12A, and this hook 40 is locked in a locking hole 42 formed in the other fixing tool 12B. It can be done.

  According to such a configuration, when the webbing 104 is not worn, the pair of fixtures 12A and 12B are connected to each other by the hook 40, whereby the webbing 104 and the auxiliary webbings 14A and 14B can be stored. Thereby, for example, even when the webbing 104 cannot be wound by the retractor 106 by attaching the occupant restraint tool 10 to the webbing 104, the usability of the seat belt device 102 can be kept good.

(Third modification)
Moreover, in the said embodiment, although the main body metal fitting 18 was set as the structure which has the 1st fixing hole 24 in order to be fixed to the webbing 104, you may be comprised as follows. That is, in the modification shown in FIG. 7, the body fitting 18 has a V-shaped groove 44.

  In this modified example, the intermediate portion in the longitudinal direction of the webbing 104 is inserted into the groove 44, and the stopper 20 is applied to the portion inserted into the groove 44 of the webbing 104 from the side opposite to the groove 44. The webbing 104 is detachably secured to the fixtures 12A and 12B by fixing the stopper 20 to the body fitting 18 with screws or the like (not shown).

  Even if comprised in this way, a pair of fixing tool 12A, 12B can be firmly and easily fixed to webbing 104 similarly to the said embodiment.

(Fourth modification)
Moreover, in the said embodiment, although the 1st fixing hole 24 was formed in the main body metal fitting 18, as FIG. 8, FIG. 9 shows, the 1st fixing hole 24 is formed in the main body metal fitting 18 in multiple numbers. May be. Then, as shown in FIGS. 8 and 9, the pair of fixtures 12 </ b> A and 12 </ b> B may be fixed to the webbing 104 such that the webbing 104 is sequentially inserted into the plurality of first fixing holes 24.

  If comprised in this way, a pair of fixing tool 12A, 12B can be fixed still more firmly by the webbing 104. FIG.

(Fifth modification)
In the above embodiment, the pair of fixtures 12A and 12B are configured such that the body fitting 18 is fixed to the webbing 104 by the stopper 20, but the body fitting 18 is clipped as shown in FIG. 46 may be fixed to the webbing 104.

  Even in such a configuration, the main body 18 can be firmly and easily fixed to the webbing 104 as in the above embodiment.

  Further, in this case, as shown in FIG. 11, the clip 46 includes a pair of holding portions 50 that are rotatably connected to each other via a hinge 48 and a cap 52 that is fixed to the tip of the holding portion 50. It may be configured to have.

  In addition, as shown in FIG. 11, when the plurality of protrusions 54 are formed inside one of the holding portions 50, slipping of the clip 46 with respect to the webbing 104 can be suppressed.

  As shown in FIG. 12, the clip 46 includes a cap 52 that is fixed to the distal ends of the pair of holding portions 50, and a pin 56 that fixes the cap 52 to the pair of holding portions 50. May be.

(Other variations)
Further, in the above embodiment, the stopper 20 is configured separately from the main body fitting 18, but is formed integrally with the main body fitting 18 via a hinge or the like and is rotatable with respect to the main body fitting 18. May be.

  Moreover, in the said embodiment, although the passenger | crew restraint tool 10 was set as the structure provided with one pair of auxiliary webbing 14A, 14B, you may be set as the structure provided with three or more auxiliary webbing 14A, 14B.

  In the above embodiment, the occupant restraint device 10 is mounted on the seat belt device 102 for the driver's seat, but may be mounted on the seat belt device for the passenger seat or the rear seat.

  In the above embodiment, the occupant restraint device 10 is applied to the three-point seat belt device 102, but may be applied to a two-point or four-point seat belt device.

  Although one embodiment of the present invention and modifications thereof have been described above, the present invention is not limited to the above, and various modifications can be made without departing from the spirit of the present invention. Of course.

It is explanatory drawing which shows the use condition of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a top view which shows the structure of the passenger | crew restraint tool shown by FIG. It is side surface sectional drawing which shows the structure of the passenger | crew restraint tool shown by FIG. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention. It is a figure which shows the modification of the passenger | crew restraint tool which concerns on one Embodiment of this invention.

Explanation of symbols

10 Crew Restraints 12A, 12B Fixing Tools 14A, 14B Auxiliary Webbing 16 Restraining Member (Restraining Part)
32 1st fixing | fixed part 34A, 34B 2nd fixing | fixed part 36A, 36B Connection part (separation promotion part)
40 hook (connection part)
104 Webbing

Claims (5)

A pair of fixtures detachably fixed to positions spaced apart in the longitudinal direction of the occupant restraining webbing;
When the pair of fixtures are fixed to the webbing, the webbing is arranged adjacent to each other in the width direction of the webbing, and extends along the longitudinal direction of the webbing, respectively. At least one pair of auxiliary webbings, one end of which is fixed to one of the pair of fixtures and the other end of the longitudinal direction is fixed to the other of the pair of fixtures;
An occupant restraint. When a predetermined load or more is applied to the pair of auxiliary webbings from an occupant formed on at least one of the pair of fixtures, the width of the webbing is fixed to the fixture of the pair of auxiliary webbings. With separation facilitating parts that are separated from each other in the direction,
The occupant restraint tool according to claim 1. At least one of the pair of fixtures is
A first fixing part to which the webbing is detachably fixed;
A pair of second fixing portions located on both sides of the webbing in the width direction, to which the pair of auxiliary webbings are respectively fixed;
The separation promotion for connecting the second fixing portion to the first fixing portion on the side of the pair of second fixing portions that are separated from each other with respect to the central portion of the second fixing portion in the width direction of the auxiliary webbing. A connecting part as a part,
Having
The occupant restraint tool according to claim 2. A restraining portion for restraining the middle portion in the longitudinal direction of the pair of auxiliary webbings to be aligned in the width direction of the webbing;
The passenger | crew restraint tool as described in any one of Claims 1-3. A connecting portion for connecting the pair of fixtures to each other;
The occupant restraint tool according to any one of claims 1 to 4.

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