JPH0889532A - Wheelchair fixing device - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a good wheelchair fixing device that allows a person sitting in a wheelchair to fix the wheelchair to the vehicle by himself and has high versatility for the wheelchair. [Structure] A retractor 2 having an automatic lock mechanism capable of preventing the main belt 6 from being pulled out in accordance with the belt winding amount.
A buckle 3 having a rear end portion fixed to the front end portion of a main belt 6 wound around the retractor 2, and a tongue plate 4 detachably engaged with the buckle 3 are provided at the front end portion of the buckle 3. A pair of belt-type restraining means 1a and 1b having an end belt and an auxiliary belt 5 fixed near the tip of the main belt 6 are provided with the tongue plate 4 inserted through the front leg 12 of the wheelchair 11 and the buckle 3 To secure the wheelchair 11 to the vehicle via the sub-belt 5 by engaging with the rear wall 20 hung vertically to the floor of the vehicle.
It is arranged in.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair fixing device, and more particularly to an improvement of a wheelchair fixing device for fixing a wheelchair while a person is placed on a moving vehicle.

[0002]

2. Description of the Related Art Conventionally, when a person sitting in a wheelchair gets on a transport vehicle, a wheelchair fixing device for fixing the wheelchair to the vehicle has been used. Since this type of wheelchair fixing device fixes a wheelchair while a person is placed on a moving transportation vehicle, its safety must be surely guaranteed.

Therefore, for example, a fixing metal fitting corresponding to each leg of the wheelchair is provided on the floor of the vehicle, and the fixing metal fitting and each leg of the wheelchair are connected by a belt with a hook and a lashing belt having an adjustable length. In addition, a wheelchair is fixed by pressing a rear wheel by a frame or the like supported on the floor of the vehicle, or a holding means utilizing hydraulic pressure or pneumatic pressure is provided on the floor surface of the vehicle, and the wheel of the wheelchair is held by the holding means. Various types and the like configured to hold and fix are proposed and implemented.

[0004]

However, the conventional wheelchair fixing device as described above can fix only a wheelchair having a limited specification due to the difference in the mounting position and structure of the fixing metal fittings and the holding means. There is a problem that the type and size of the wheelchair to be fixed are limited. Further, in such a wheelchair fixing device, the fixing metal fittings and the holding means are provided on the floor of the vehicle, and the belt, the frame and the like are often stored under the floor of the vehicle. For example, a caregiver is required to hang the belt hook on the fixing bracket and each leg of the wheelchair, and to securely fix the frame. Therefore, it is difficult for a person sitting in a wheelchair to fix the wheelchair to the vehicle by himself.

That is, an object of the present invention is to solve the above-mentioned problems, and a person sitting in a wheelchair can fix the wheelchair to the vehicle by himself and the wheelchair can be fixed to the wheelchair with high versatility. It is to provide a device.

[0006]

The above object of the present invention is, in a wheelchair fixing device for fixing a wheelchair to a vehicle, a belt retractor having an automatic lock mechanism capable of preventing the belt from being pulled out in accordance with the belt retract amount. A device, a buckle having a rear end portion fixed to a front end portion of a main belt wound around the belt winding device, and a tongue plate detachably engaged with the buckle are provided at the front end portion and the rear end portion. A belt-type restraining means having a sub-belt fixed near the tip of the main belt, engages the tongue plate inserted into the frame of the wheelchair with the buckle, thereby moving the wheelchair through the sub-belt. To be fixed to the vehicle,
This can be achieved by a wheelchair fixing device characterized in that at least two of them are arranged on a wall portion that is hung vertically with respect to the floor surface of the vehicle.

The belt width of the sub belt is preferably narrower than the belt width of the main belt. More preferably, the belt-type restraint means is provided on a rear wall, which is a wall portion that is hung vertically with respect to the floor surface and faces the vehicle traveling direction. Further, at least one of the belt type restraining means disposed on the rear wall is provided with a second belt retractor having an emergency lock mechanism capable of detecting the lateral acceleration of the vehicle and preventing the belt from being pulled out. A wheelchair fixing device is preferable in which the device is attached to a side wall of the vehicle, and the tip portion of the auxiliary belt wound around the second belt winding device is connected to the vicinity of the tip of the main belt.

[0008]

According to the above construction, since the main belt is wound up by the belt winding device and stored in the wall when it is not used, the wheelchair fixing device does not get in the way when the wheelchair is moved, so that the wheelchair can move smoothly. You can do it. In addition, since the wheelchair fixing device is housed in the wall that is hung vertically on the floor of the vehicle, if the wheelchair is moved in front of the wall, a person sitting in a wheelchair can easily pull out the main belt. it can.

Further, the tongue plate of the auxiliary belt fixed near the tip of the pulled-out main belt is inserted into the frame of the wheelchair, and then the tongue plate is engaged with the buckle to connect the wheelchair and the main belt. can do. After that, by pulling out the belt by a predetermined amount or more and operating the automatic locking mechanism, the belt retractor prevents the belt from being pulled out and can only retract the belt, so that the wheelchair is fixed to the wall portion.

Further, when the wheelchair is fixed to a corner portion surrounded by the rear wall and the vehicle side wall, a second emergency lock mechanism is provided which can detect the lateral acceleration of the vehicle and prevent the belt from being pulled out. By providing the belt winding device on the side wall of the vehicle and connecting the tip portion of the auxiliary belt to the vicinity of the tip of the main belt of the belt type restraining means near the side wall of the vehicle, a force against the lateral movement of the wheelchair is provided. Furthermore, it can be given.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the accompanying drawings. 1 and 2 are an overall perspective view and a schematic plan view showing a state in which a wheelchair 11 is fixed to a vehicle by a wheelchair fixing device 10 according to the first embodiment of the present invention. As shown in FIG. 3, the wheelchair fixing device 10 is composed of a pair of belt type restraining means 1a, 1b which are arranged at a predetermined interval on a rear wall 20 which is a wall portion hung on the floor surface of a vehicle. The wheelchair 11 is configured to be fixed to the rear wall 20.

A pair of the belt type restraint means 1a, 1b
As shown in FIG. 5, the retractor 2 is housed in the rear wall 20, and the buckle 3 has a rear end portion fixed to the front end portion of the main belt 6 wound around the retractor 2, A tongue plate 4 that is detachably engaged with the buckle 3 is provided at the front end portion, and a rear end portion has a sub belt 5 fixed near the front end of the main belt 6.

The retractor 2 is a known belt retractor equipped with an automatic lock mechanism capable of preventing the belt from being pulled out in accordance with the belt winding amount. By operating,
The main belt 6 is prevented from being pulled out and only the winding is possible. The buckle 3 is a known buckle that detachably locks the tongue plate 4 inserted from the tongue insertion port 3b, and the engagement with the tongue plate 4 can be released by pushing the operation button 3a. .

The main belt 6 whose rear end portion is wound around the retractor 2 is a long webbing which is constantly biased in the winding direction by a winding spring (not shown) of the retractor 2. Then, as shown in FIG. 5, at the tip portion of the main belt 6, the end portion is inserted into the opening locking portion 3c of the buckle 3 and folded back, and then the suture portion 6a is sewn to the buckle 3 to sew it. Is fixed.

The sub-belt 5 is a regular-sized webbing having a belt width narrower than the belt width of the main belt 6 and having a predetermined length. The tongue plate 4 is fixed by inserting the opening locking portion 4a and folding it back, and then sewing the sewn portion 5a. Further, the rear end portion of the sub belt 5 is sewn at a stitching portion 6b in the vicinity of the front end portion of the main belt 6.

When the wheelchair fixing device 10 is not used, the main belts 6 of the belt type restraining means 1a and 1b and the buckles 3 of the retractors 2 contact the belt insertion opening 20a of the rear wall 20. It is rolled up until it touches. Therefore, the sub belt 5 which is not housed in the rear wall 20 is held at a predetermined position by hooking the tongue plate 4 on the hooks 7 provided on the side surface of the rear wall 20 and the bottom surface of the folding sheet 21.

Therefore, the wheelchair fixing device 10 does not hinder the movement of the wheelchair 11 to a predetermined fixing position.
The wheelchair 11 can be moved smoothly. Further, by disposing the folding seat 21 on the side wall of the vehicle as in the first embodiment, it becomes easy to use this wheelchair fixing position as a normal seat when the wheelchair fixing device 10 is not used.

Next, a method of using the wheelchair fixing device 10 will be described. First, a person sitting on the wheelchair 11 moves the wheelchair 11 to a predetermined fixed position where the folding sheet 21 is folded. That is, as shown in FIG.
The rear side of the wheelchair 11 is opposed to the rear wall 20, and the rear wheel 1
The wheelchair 11 is retracted until 3 contacts the rear wall 20.

Next, the main belt 6 is pulled out from the retractor 2 by grasping the tongue plate 4 of one of the belt type restraining means 1b hooked on the hook 7 and pulling the sub belt 5 toward you. . Then, for example, as shown in FIG. 4, the tongue plate 4 is inserted into the brace portion of the front leg portion 12 which is the frame of the wheelchair 11, the auxiliary belt 5 is wound around one of the front leg portions 12, and then the tongue plate 4 is buckled. 3 is engaged. Similarly, in the other belt type restraint means 1a, the tongue plate 4 is inserted into the brace portion of the front leg portion 12 which is the frame of the wheelchair 11, and the sub belt 5 is wound around the other front leg portion 12 and then the tongue The plate 4 is engaged with the buckle 3. Therefore,
Left and right front leg parts 12 of the wheelchair 11 and each belt type restraint means 1
The main belts 6 of a and 1b are connected.

At this time, since each of the belt type restraint means 1 is arranged at a predetermined height on the rear wall 20 which is hung vertically with respect to the floor of the vehicle, the person sitting in the wheelchair 11 himself or herself. You can easily grab and pull the tongue plate 4 by yourself. At this time, since the automatic lock mechanism of the retractor 2 is not operated and the main belt 6 can be pulled out and wound up freely, it is easy to wind the auxiliary belt 5 around the front leg portion 12. .

Further, the belt width of the sub belt 5 is the main belt 6
Since the tongue plate 4 is made smaller in size than the belt width, the main belt 6 can be easily connected to a frame of a wheelchair having a small brace, for example. Of course,
In order to ensure the tensile strength of the sub belt 5, the thickness of the sub belt 5 may be increased. Then, the left and right front leg portions 12 of the wheelchair 11 and the main belts 6 of the respective belt type restraining means 1a and 1b.
After connecting the main belt 6 and the main belt 6, the main belt 6 is pulled out from the retractor 2 by a predetermined amount or more (for example, the total withdrawal amount), and the automatic locking mechanism of the retractor 2 is operated. Only blocking and winding is possible.

Therefore, the slack of each main belt 6 is removed, and each main belt 6 is wound around each retractor 2 so that the belt intermediate portions are hung over the left and right rear wheels 13 as shown in FIG. If it is taken off, the rear wheels 13 will become the rear wall 2.
The wheelchair 11 that is in contact with 0 is fixed to the rear wall 20 so that it cannot move. That is, the rear wall 20 is the wheelchair 1
The belt-type restraint means 1a and 1b prevent the wheelchair 11 from moving forward while preventing the wheelchair 11 from moving backward. Further, the pair of belt type restraint means 1a, 1b are
Since it is firmly connected to the left and right front leg portions 12 of the wheelchair 11, the lateral movement of the wheelchair 11 can be prevented.

Therefore, a pair of belt type restraining means 1 constituted by the main belt 6 and the sub belt 5 having flexibility.
The wheelchair fixing device 10 for fixing the wheelchair 11 by a and 1b is provided with a buckle 3 provided at the tip portion of the main belt 6.
By simply engaging the tongue plate 4 of the sub belt 5 with the sub belt 5, the main belt 6 can be easily connected to an arbitrary frame, and the wheelchair 11 can be securely connected regardless of the type and size of the wheelchair 11 to be fixed. 11 can be fixed to the vehicle.

When the wheelchair fixing device 10 is released, if the operation button 3a is pushed to release the engagement between the buckle 3 and the tongue plate 4, the respective main belts 6 take up the retracting force of the retractor 2. Is automatically stored in the rear wall 20 by the user.
Can be hooked on each hook 7. In the first embodiment, the belt-type restraint means 1a and 1b are vertically provided on the floor surface and arranged on the rear wall 20 facing the vehicle traveling direction. Is not limited to this, and the wheelchair can be fixed to the side wall of the vehicle.

6 and 7 are perspective views of the wheelchair fixing device 30 according to the second embodiment of the present invention, and the wheelchair 11 shown in FIG.
FIG. 3 is a schematic plan view showing a state in which is fixed to a vehicle. The same components as those in the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted. Wheelchair fixing device 30
As shown in FIG. 6, a belt type restraining means 15 is provided instead of the belt type restraining means 1a on the vehicle side wall side in the wheelchair fixing device 10 of the first embodiment.

As shown in FIG. 8, the belt type restraining means 15 includes a retractor 2 housed in a rear wall 20 and a second belt winding housed in a folding seat 21 fixed to a vehicle side wall. The retractor 17 which is a take-up device, the buckle 3 whose rear end portion is fixed to the front end portion of the main belt 6 wound around the retractor 2, and the tongue plate 4 which is detachably engaged with the buckle 3. A sub-belt 5 provided at the front end and having a rear end fixed near the front end of the main belt 6, and a rear end portion wound around the retractor 17 and a front end portion near the front end of the main belt 6. And an auxiliary belt 16 fixed (sewn together with the main belt 6 at the sewn portion 16a).

The retractor 17 is a known belt retractor having an emergency lock mechanism capable of detecting the lateral acceleration of the vehicle to prevent the belt from being pulled out, and the auxiliary belt 16 is always retracted in the retracting direction. Energize the auxiliary belt 16
Prevent the careless extension of. The auxiliary belt 16
Is a long webbing having a predetermined length shorter than that of the main belt 6, and a tip portion thereof is firmly sewn to a stitched portion 6 a near the tip portion of the main belt 6.

When the wheelchair fixing device 30 is not used, the main belts 6 of the belt type restraining means 15 and 1b are wound by the retractor 2 and the auxiliary belt 16 is pulled by the retractor 17. Being rolled up. Next, a method of using the wheelchair fixing device 30 will be described. First, a person sitting in the wheelchair 11 moves the wheelchair 11 to a predetermined fixed position which is a corner surrounded by the vehicle side wall where the folding seat 21 is folded and the rear wall 20.

Then, each belt type restraining means 15, 1
After each sub belt 5 in b is wound around the left and right front leg parts 12, each tongue plate 4 is engaged with the buckle 3, and the left and right front leg parts 12 of the wheelchair 11 and the main belt of each belt type restraining means 15, 1b. 6 and are connected. At this time, the automatic lock mechanism of the retractor 2 is inactive, and the main belt 6 can be pulled out and wound up freely. Further, the retractor 17 can also pull out and wind up the auxiliary belt 16. Therefore, when the sub belt 5 is wound around the front leg portion 12, it is easy to pull the belt around.

After connecting the left and right front leg portions 12 of the wheelchair 11 to the main belts 6 of the belt type restraining means 15 and 1b, the main belts 6 are retracted from the retractor 2 by a predetermined amount or more (for example, fully pulled out). Amount) Drawer, Retractor 2
When the automatic lock mechanism of 1 is operated, the retractor 2 prevents the main belt 6 from being pulled out and can only be wound.

Therefore, the slack of each main belt 6 is removed, and as shown in FIG. 7, each main belt 6 is wound around each retractor 2 so that the belt intermediate portions are hung over the left and right rear wheels 13. If it is taken off, the rear wheels 13 will become the rear wall 2.
The wheelchair 11 that is in contact with 0 is fixed to the rear wall 20 so that it cannot move. Further, the auxiliary belt 16 is
The retracting force of the retractor 17 maintains the tension.

Therefore, similarly to the wheelchair fixing device 10 of the first embodiment, the wheelchair fixing device 30 of the second embodiment also
A person sitting on the wheelchair 11 can easily fix the wheelchair 11 by himself and securely fix the wheelchair 11 to the vehicle regardless of the type and size of the wheelchair 11 to be fixed. . Further, when the wheelchair 11 tries to move laterally, the retractor 17 that detects the lateral acceleration of the vehicle and prevents the belt from being pulled out prevents the auxiliary belt 16 from extending, so that the auxiliary belt 16 is connected. A force that resists the movement of the wheelchair 11 in the left direction of the vehicle (downward in FIG. 7) is further applied to the main belt 6 of the belt type restraint means 15 by the auxiliary belt 16. The movement of the wheelchair 11 to the right of the vehicle (upward in FIG. 7) can be prevented by the folding seat 21 fixed to the side wall of the vehicle. Therefore, in the wheelchair fixing device 30 of the second embodiment, the wheelchair 11 is provided at the corner portion surrounded by the vehicle side wall where the folding seat 21 is folded and the rear wall 20.
It is especially effective when fixing.

The belt winding device, the buckle, the tongue plate and the like in each of the above-mentioned embodiments are not limited to the configurations of the above-mentioned embodiments, and it goes without saying that various modifications can be made. Further, in addition to the belt type restraint means as described above, a seat belt device for a person sitting in a wheelchair can be provided on the wall portion.

[0034]

That is, in the wheelchair fixing device of the present invention, the main belt is wound up by the belt winding device and stored in the wall portion when it is not used, so that the wheelchair fixing device does not interfere when the wheelchair is moved. You can move the wheelchair smoothly. In addition, since the wheelchair fixing device is housed in the wall that is hung vertically on the floor of the vehicle, if the wheelchair is moved in front of the wall, a person sitting in a wheelchair can easily pull out the main belt. it can.

Further, the tongue plate of the auxiliary belt fixed near the tip of the pulled-out main belt is inserted into the frame of the wheelchair, and then the tongue plate is engaged with the buckle to connect the wheelchair to the main belt. can do. After that, by pulling out the belt by a predetermined amount or more and operating the automatic locking mechanism, the belt retractor prevents the belt from being pulled out and can only retract the belt, so that the wheelchair is fixed to the wall portion.

Therefore, it is possible for a person sitting in a wheelchair to fix the wheelchair to the vehicle by himself and to provide a good wheelchair fixing device having high versatility for the wheelchair.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a state in which a wheelchair is fixed to a vehicle by a wheelchair fixing device according to a first embodiment of the present invention.

2 is a schematic plan view of the wheelchair fixing device shown in FIG. 1. FIG.

FIG. 3 is an overall perspective view showing a state where the main belt of the wheelchair fixing device shown in FIG. 1 is pulled out.

FIG. 4 is an enlarged view of a main part showing a state in which the sub belt shown in FIG. 1 is wound around a frame.

5 (a) is a plan view of the wheelchair fixing device shown in FIG. 1,
(b) is a front view thereof.

FIG. 6 is an overall perspective view showing a main belt withdrawn state of a wheelchair fixing device according to a second embodiment of the present invention.

7 is a schematic plan view showing a wheelchair fixed state of the wheelchair fixing device shown in FIG.

FIG. 8 (a) is a plan view of the wheelchair fixing device shown in FIG.
(b) is a front view thereof.

[Explanation of symbols]

 1a Belt type restraint means 1b Belt type restraint means 2 Retractor 3 Buckle 4 Tongue plate 5 Sub belt 6 Main belt 7 Hook 10 Wheelchair fixing device 11 Wheelchair 20 Rear wall

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ichiro Hirose, 3-17-3 Toyama, Shinjuku-ku, Tokyo Inside the Prosthesis Research Institute, Tokyo (72) Naoto Fujii, 516 Nanasawa, Atsugi-shi, Kanagawa Kanagawa Prefectural Rehabilitation Center Within the business group (72) Inventor, Masataka Oto, 516 Nanasawa, Atsugi City, Kanagawa Prefecture Integrated rehabilitation business group, Kanagawa Prefecture

Claims (1)

[Claims] 1. A wheelchair fixing device for fixing a wheelchair to a vehicle, comprising a belt retractor having an automatic lock mechanism capable of preventing the belt from being pulled out in accordance with the amount of belt retracted.
A buckle having a rear end portion fixed to the front end portion of the main belt wound around the belt winding device, and a tongue plate detachably engaged with the buckle are provided at the front end portion, and the rear end portion is the main end portion. Belt type restraining means having an auxiliary belt fixed near the tip of the belt fixes the wheelchair to the vehicle via the auxiliary belt by engaging the tongue plate inserted into the frame of the wheelchair with the buckle. In order to achieve this, at least two wheelchair fixing devices are provided on a wall portion that is vertically installed on the floor surface of the vehicle.