JP4132716B2 - Wheelchair seat belt device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a so-called three-point seat belt device for a wheelchair.
[0002]
[Prior art]
Recently, various lifter devices that allow people to sit on a wheelchair while riding are provided. In addition, various seatbelt devices for wheelchairs are used to ensure the safety of people sitting in a wheelchair while the vehicle is running. One of them has been devised, for example, as shown in FIGS.
[0003]
Briefly, this conventional wheelchair seat belt device is provided in, for example, a lifter mechanism (not shown) in the rear chamber of the vehicle body 1, and the interior of the vehicle on one side of the wheelchair 2 mounted on the lifter mechanism. A retractor 4 is fixed to the panel 3, and an auxiliary belt buckle 6 is fixed to a vehicle interior panel 5 on the opposite side. Further, a relatively short belt buckle 7 having a fixed length is suspended from an interior roof panel (not shown) on the retractor 4 side.
[0004]
Further, a seat belt 8 is wound around the retractor 4 so that the seat belt 8 can be pulled out, and the seat belt 8 has a tongue 9 that is fixed to the belt buckle 7 at the front end thereof, and is in the middle of the seat belt 8. Is provided with a sluting 10 which can be positioned by sliding on the seat belt 8.
[0005]
On the other hand, an auxiliary tongue 12 provided at one end of the auxiliary belt 11 is engaged with the auxiliary belt buckle 6, and the thruching 10 is attached to an auxiliary buckle 13 provided at the other end of the auxiliary belt 11. It is locked.
[0006]
Therefore, in order to use this seat belt device, first, the seat belt 8 is pulled up from the retractor 4 by holding the tongue 9 of the seat belt 8 and is seated under the armrest 2a of the wheelchair 2 as it is. Pass over the leg of the person H from the lateral direction, pass under the armrest 2b on the opposite side, cross the front of the person H as it is, and lock the tongue 9 to the belt buckle 7 at a position above one shoulder. . Subsequently, as shown in FIG. 3 , the thruching 10 is engaged with the auxiliary buckle 13 of the auxiliary belt 11. Thereby, the mounting operation of the seat belt 8 is completed.
[0007]
[Problems to be solved by the invention]
[0008]
However, in the conventional seat belt device, the tongue 9 at the tip of the seat belt 8 is fixed to the fixed belt buckle 7 which is fixed to the roof panel of the vehicle body and has a relatively short length. Therefore, the person H who is seated in the locking operation must face the shoulder and face up. For this reason, this engaging and disengaging work becomes difficult, the work has annoyance is forced.
[0009]
In addition, since the seat belt 8 needs to be largely routed to the belt buckle 7, the person sitting on the wheelchair is forced to perform troublesome work also in this respect. Further, the amount of the seat belt 8 wound around the retractor 4 increases, that is, the seat belt 8 becomes long and may not be wound around the retractor 4, and a long auxiliary belt 11 that is supported on the way is also required.
[0010]
Therefore, the present invention provides a seatbelt device for a wheelchair that allows a person seated in a wheelchair to easily engage and disengage the seatbelt and that is short in length and does not require an auxiliary belt.
[0011]
[Means for Solving the Problems]
[0012]
According to a first aspect of the present invention, there is provided a first retractor fixed to a predetermined body part on one side of a wheelchair mounted on a vehicle, and a first seat belt wound around the first retractor so as to be freely drawn out. The engagement member fixed to the front end of the first seat belt, the sluting attached slidably to the first seat belt, and the vehicle body on the other side of the wheelchair. A buckle member capable of engaging and disengaging a throttle, a second retractor fixed at a position above the vehicle body on the first retractor side, a second seat belt wound around the second retractor so as to be freely drawn out, and the second seat A locking member fixed to the tip of the belt and detachable from the engaging member is provided.
[0013]
According to a second aspect of the invention, the body predetermined portion of one side end of the wheelchair is characterized in that a wheelchair lifter or vehicle panel or floor panel.
[0014]
The invention according to claim 3 is characterized in that the predetermined body part on the other side of the wheelchair is an interior panel or a floor panel.
[0015]
According to a fourth aspect of the present invention, the engaging member is formed by the first tongue or the first buckle, while the locking member is locked in correspondence with the first tongue or the first buckle, respectively. Alternatively, the second buckle is used.
[0016]
The invention according to claim 5 is characterized in that a through anchor for slidably holding the second seat belt is fixed to the vehicle body side in the vicinity of the second retractor.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
[0018]
Hereinafter, an embodiment of a seat belt device for a wheelchair according to the present invention will be described in detail with reference to FIG.
[0019]
That is, the seat belt device for a wheelchair is provided on a lifter mechanism 22 that supports the wheelchair 21 so as to be movable up and down from, for example, the rear portion of the vehicle and constitutes a part of the vehicle body 20, and is located on one side of the wheelchair 21. A first retractor 23 fixed to one side wall 22 a of the lifter mechanism 22, a first seat belt 24 wound around the first retractor 23 so as to be freely drawable, and a buckle fixed to the other side wall 22 b of the lifter mechanism 22. It is mainly composed of a member 25, a second retractor 26 fixed to a position above the vehicle body panel 20a on the first retractor 23 side, and a second seat belt 27 wound around the second retractor 26 so as to be freely drawn out. Yes.
[0020]
The first seat belt 24 has a buckle 28 that is an engaging member fixed to the distal end portion thereof, and a slaughting 29 that can be engaged with and disengaged from the buckle member 25 is slidably attached to a predetermined position. ing.
[0021]
On the other hand, the second seat belt 27 has a tongue 30 which is a locking member that can be engaged and disengaged with the buckle 28 of the first seat belt 24 fixed to the tip thereof, and the middle of the second seat belt 27 slides on the through anchor 31. It is supported freely.
[0022]
The through anchor 31 has a base portion fixed to the vehicle body panel 20a, and a second grooved portion of the guide portion 31a provided at the distal end portion. The second seat belt 27 is slidably supported and defines a pulling direction. It has become.
[0023]
Therefore, in order to attach the first seat belt 24 with this wheelchair seat belt device, first, the first seat belt 24 is pulled upward from the first retractor 23 with the buckle 28 at the tip, and a throttling 29 As it is, it passes under one armrest 21a as it is, pulls out on the seated person's (not shown) knee to the right side, and passes under the other armrest 21b.
[0024]
Thereafter, the thruching 29 is locked to the buckle member 25. At this time, the buckle 28 is held on the right hand side and is positioned in front of the person.
[0025]
Next, holding the tongue 30 with the left hand, the second seat belt 27 is pulled out from the second retractor 26 toward the front of the person, and the tongue 30 is locked to the buckle 28 placed in front. As a result, the mounting operation in which the first seat belt 24 is slanted to one shoulder of the person is easily completed.
[0026]
That is, a person seated in the wheelchair 21 does not turn back, simply extends his hand to the left rear upper side, holds the tongue 30 and pulls out the second seat belt 27 to the front, Since it can be locked, the operation becomes very easy.
[0027]
In addition, since the second seat belt 27 wound around the second retractor 26 can be pulled out freely, the length of the first seat belt 24 can be shortened accordingly, and the first retractor 23 It can be set to a length that can be sufficiently wound.
[0028]
Furthermore, since the length of the first seat belt 24 can be supplemented by the second seat belt 27 as described above, a sufficient length can be secured to extend the first seat belt 24 to the buckle member 25. A conventional auxiliary belt is also unnecessary.
[0029]
Further, since the bending position of the second seat belt 27 can be freely set by the through anchor 31, the position where the tongue 30 of the second seat belt 27 is gripped can be freely changed. Therefore, the engagement / disengagement operation between the first seat belt 24 and the second seat belt 27 is facilitated.
[0030]
In addition, in order to cancel | release mounting | wearing of the 1st seatbelt 24, it will become possible to remove easily if it performs reverse to the above-mentioned locking operation.
[0031]
Therefore, the engagement / disengagement operation with the first and second seat belts 24, 27 and the buckle member 25 can be performed very easily.
[0032]
The present invention is not limited to the configuration of the above embodiment. For example, the buckle 28 of the first seat belt 24 may be replaced with a tongue, and at the same time, the tongue 28 of the second seat belt 27 may be replaced with a buckle. Is possible. The predetermined position of the vehicle body on one side or the other side of the wheelchair may be not only the lifter 22 but also the in-vehicle panel or the floor panel.
[0033]
【The invention's effect】
[0034]
As is apparent from the above description, according to the wheelchair seat belt device according to the first aspect, the person seated in the wheelchair does not turn back and simply extends his / her hand upward to the left or right side. By pulling the second seat belt forward, it can be locked with the first seat belt before the person, and the operation becomes extremely easy.
[0035]
In addition, since it is not necessary to greatly wrap the seat belt up to the belt buckle, a person sitting in a wheelchair is not forced to perform this troublesome work.
In addition, since the second seat belt wound around the second retractor can be pulled out freely, the length of the first seat belt can be shortened accordingly, and the first seat belt can be sufficiently wound around the first retractor. Can be set to a possible length.
[0036]
Further, as described above, since the length of the first seat belt can be supplemented by the second seat belt, it is possible to ensure a sufficient length for routing the first seat belt to the buckle member. No need for auxiliary belts.
[0037]
According to invention of Claim 2, 3, the freedom degree of the attachment position of a 1st retractor and a buckle member becomes high.
[0038]
According to invention of Claim 4, the freedom degree of selection of a locking member or an engagement member improves.
[0039]
According to the fifth aspect of the present invention, since the bending position of the second seat belt can be freely set by the through anchor, the position where the second seat belt is pulled out can be freely changed. Therefore, the engagement / disengagement operation between the first seat belt and the second seat belt can be performed more easily.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view showing an embodiment of a seat belt device for a wheelchair according to the present invention.
FIG. 2 is a perspective view showing a conventional wheelchair seat belt device.
FIG. 3 is a partially enlarged view of the conventional seat belt device.
[Explanation of symbols]
20 body 20a body panel 21 wheelchair 22 lifter 23 first retractor 24 first seat belt 25 buckle member 26 second retractor 27 second seat belt 28 buckle 29 thru 30

Claims (5)

A first retractor fixed to a predetermined body part on one side of a wheelchair mounted on the vehicle;
A first seat belt wound around the first retractor so as to be freely drawn out;
An engaging member fixed to the tip of the first seat belt;
A slidably attached to the first seat belt slidably;
A buckle member fixed to the vehicle body predetermined part on the other side of the wheelchair, and capable of engaging and disengaging the throttling;
A second retractor fixed at a position above the vehicle body on the first retractor side;
A second seat belt wound around the second retractor so as to be freely drawn out;
A wheelchair seat belt device comprising: a locking member fixed to a tip of the second seat belt and detachable from the engaging member. Body a predetermined portion of one side end of the wheelchair, the wheelchair seat belt device according to claim 1, characterized in that it is a wheelchair lifter or vehicle panel or floor panel. The seatbelt device for a wheelchair according to claim 1 or 2, wherein the predetermined body part on the other side of the wheelchair is an in-vehicle panel or a floor panel. The engaging member is formed by a first tongue or a first buckle, while the locking member is formed by a second tongue or a second buckle that locks corresponding to the first tongue or the first buckle, respectively. The seatbelt apparatus for wheelchairs in any one of Claims 1-3 characterized by the above-mentioned. The seatbelt apparatus for wheelchairs according to any one of claims 1 to 4, wherein a through anchor for slidably holding the second seatbelt is fixed to a vehicle body side in the vicinity of the second retractor.

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