JP2545797Y2 - Wheelchair locking device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheelchair locking device, and more particularly, to a wheelchair which is fixedly held so that the wheelchair does not move when the wheelchair is mounted on the vehicle. The present invention relates to a wheel lock device capable of easily performing a holding operation.

[0002]

2. Description of the Related Art As is well known, a wheelchair is used as a device for facilitating going out of a physically handicapped person who cannot move his lower body freely. Recently, as the size and weight of the wheelchair have been reduced, the wheelchair has been widely carried on a vehicle such as a bus.

When the wheelchair is carried on a vehicle such as a bus, the wheel of the wheelchair moves if it shakes during traveling, and the position of the wheelchair becomes unstable. Therefore, lock devices for fixing and holding a wheelchair on a vehicle have been proposed, for example, in Japanese Utility Model Laid-Open No. 58-153821 and Japanese Utility Model Laid-Open No. 54-48735.

[0004] A "wheelchair anchoring device" proposed in Japanese Utility Model Laid-Open Publication No. 58-153821 discloses a device that locks a wheelchair on a vehicle with the wheel of the wheelchair interposed therebetween. Further, a towing vehicle proposed in Japanese Utility Model Laid-Open Publication No. 54-48735 discloses a revolving lock mechanism as a lock mechanism for locking wheels of the wheelchair.

Therefore, the above-mentioned Japanese Utility Model Application Laid-Open No. 58-15382
Utilizing the technology proposed in Japanese Patent Publication No. 1 and Japanese Utility Model Application Publication No. 54-48735, the wheel of the wheelchair can be locked on the vehicle, and the wheelchair mounted on the vehicle becomes unstable. It can be transported while being fixed and held so as not to be disturbed.

[0006]

However, the wheel lock mechanism of a wheelchair proposed in the prior art is designed to enable the wheels to be easily locked and to allow the locked wheels to be easily released. There wasn't much work done.

That is, it is often difficult for a person using a wheelchair to freely move his / her body, and it is required that the wheel locking mechanism of the wheelchair be easily operated.

When the wheelchair is not mounted,
There is also a problem that the use of the interior space of the vehicle is hindered by the lock device of the wheelchair.

In view of the above problems, the present invention relates to a locking device for fixing and holding a wheelchair on a vehicle.
A wheelchair lock device that enables a wheelchair to be fixedly held on a lock device without performing troublesome work, and that can be easily unlocked when the fixed wheelchair is removed from the lock device. The first object is to be able to provide

It is a second object of the present invention to provide a wheelchair lock device which can be moved to an end on a vehicle when not in use.

[0011]

In order to solve the above-mentioned object, the present invention has the following technical means. That is, the present invention will be described with reference to the reference numerals in the accompanying drawings corresponding to the embodiments. The present invention relates to a wheelchair locking device for fixing and holding a wheel 15 of a wheelchair on a vehicle. The lock lever 16 that is pushed and turned, and the lock lever 16 for making contact with the wheel 15 of the wheelchair,
An opening 17 formed at one end of the wheel, a guide arm 14 for guiding the wheel 15 of the wheelchair into contact with the opening 17, and a locking pin hole formed at a predetermined position of the lock lever 16. 21, when the lock lever 16 is pushed by the wheel 15 of the wheelchair and turns to a predetermined lock position, the lock lever 16 advances upward and engages with the locking pin hole 21 to move the lock lever 16 to the lock position. A lock pin 22 fixedly held to the lock pin 16 is always urged toward the lock lever 16 so that the lock pin 16 is engaged with the lock pin hole 21 when the lock lever 16 turns to the lock position. The urging spring 25 and the locking pin 22 are moved downward so that
Release lever 12 for pulling out from 6 stop pin hole 21
A lock device for a wheelchair, wherein the lock device main body 1 includes a spring 19 that constantly urges an opening surface 17 of the lock lever 16 in a wheel releasing direction.

Another feature of the present invention is that
The lock device main body 1 is disposed as a left lock device main body 1A and a right lock device main body 1B, and the pair of left and right lock device main bodies 1A and 1B is a movable bar 28 pivotally mounted on a vehicle. The moving bar 28 has, at one end thereof, a turning shaft 29 that pivotally supports the end position on the vehicle and a predetermined use state position on the vehicle. Moving bar 2
8 has a stop portion 31 at the other end which engages with a moving bar stop 30 fixed to the floor 2 on the vehicle at that position at a predetermined position where the turn 8 has turned around the turning shaft 29 as a turning center axis. It is characterized by the following.

[0013]

Since the present invention comprises the above technical means, when the wheelchair is locked to the locking device body 1, the wheel 15 of the wheelchair is held while the user of the wheelchair is sitting on the wheelchair. Is guided toward the lock device main body 1 while being guided by the guide arm 14. When the left and right wheels 15 of the wheelchair are brought into contact with the opening surface 17 of the lock lever 16 provided in the lock device main body 1, the lock lever 16 turns and the wheel 15 of the wheelchair is locked. To guide.

When the lock lever 16 is turned to the lock position, the stop pin 22 automatically engages with the stop pin hole 21 formed in the lock lever 16 to fix the lock lever 16 to the lock position. Thereby, the wheel 15 of the wheelchair is
Is fixed to the lock lever 16 and is held in that state, so that the user of the wheelchair can perform the locking operation in the normal state of riding on the wheelchair, thereby facilitating the locking operation. Will be able to

When releasing the locked state,
When the user of the wheelchair pushes the release lever 12, the stop pin 22 is moved downward, and the stop pin hole 21 is moved.
To remove it from At the same time, the wheel 15 of the wheelchair is moved outward from the locked position.

The lock lever 16 has a spring 19
Urged in the wheel release direction. For this reason, when the locking pin 22 is detached from the locking pin hole 21, the opening surface 17 is automatically rotated in the wheel releasing direction, so that the operation of unlocking the wheel 15 of the wheelchair is easily performed. be able to.

According to another feature of the present invention, since the locking device main body 1 is installed on the moving bar 28, the moving bar 28 is turned when the locking device main body 1 is not used. By moving the lock device main body 1 to the end on the vehicle, the lock device main body 1 can be kept out of the way when not in use, and the interior space of the vehicle can be used effectively. .

[0018]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to 11 show a first embodiment of the present invention.

First, a description will be given with reference to FIG. 1 focusing on the left locking device main body 1A of the left and right locking device main bodies 1. The lock device main body 1A is fixedly held on a floor 2 and a side wall 3 on a vehicle such as a bus. That is, a horizontal base 4 is fixed to the floor 2 on the vehicle with bolts 5 and a vertical base 6 is fixed to the side wall 3 on the vehicle.

The vertical base 6 is continuous with the horizontal base 4 via a connecting plate 7, and plays a role of a skeleton as a whole. A horizontal guide plate 8 is provided on the upper surface of the vertical base 6, and the horizontal guide plate 8 has a shape in which a cross section of the horizontal guide plate 8 extends horizontally and then bends downward in a vertical direction. . A movable panel 9 is disposed in contact with the surface of the horizontal guide plate 8, and a stopper 32 (see FIG. 9) is formed on the movable panel 9. Is prevented from coming off.

The moving panel 9 can be moved horizontally along the longitudinal direction of the horizontal guide plate 8, and when the moving panel 9 moves with respect to the horizontal guide plate 8,
The adjacent distance between the left locking device main body 1A and the right locking device main body 1B can be adjusted.

Then, the moving panel 9 is moved to the horizontal guide plate 8.
A rotation knob 10 is provided on the moving panel 9 as a means for fixing the moving panel 9 to the moving panel 9. By rotating the rotary knob 10 by hand, it advances to the horizontal guide plate 8 side like a screw, and by pressing the tip of the rotary knob 10 against the horizontal guide plate 8, the horizontal guide plate 8 is moved to the movable panel 9.
Is fixed.

Further, at both ends in the longitudinal direction of the horizontal guide plate 8, a movement stopper 11 for preventing the moving panel 9 from separating in the movement direction is projected. A cover 13 for covering a mechanism of a release lever 12, which will be described later, and a pair of left and right guide arms 14 are provided on side surfaces of the movable panel 9.
Is provided.

Above the release lever 12, a lock lever 16 for locking the wheel 15 of the wheelchair is provided. The lock lever 16 will be described in more detail. The lock lever 16 has an opening surface 17 enough to accommodate the tire width of the wheel 15 of a wheelchair guided by a first guide arm 14A forming a pair of left and right guide arms 14. Are formed.

Further, the lock lever 16 is configured to be rotatable, and as means for enabling the lock lever 16 to be rotatable, a shaft 18 is projected from the lock lever 16 in connection with the cover 13. One end of a spring 19 is wound around the protruded shaft 18 and attached to the spring 18, and the other end of the spring 19 is attached to a spring stopper 20 formed by projecting above the lock lever 16.

With the above construction, the wheel 15 of the wheelchair comes into contact with the opening 17 of the lock lever 16,
When the lock lever 16 is pressed, the lock lever 16 is pushed by the wheel 15 of the wheelchair to rotate. When rotating, the shaft 18 becomes the rotation center axis of the lock lever 16. The rotation of the lock lever 16 causes the spring 19 to be twisted in the turning direction, so that elastic energy for eliminating the twist is applied to the spring 1.
9 is stored.

Next, when the lock lever 16 is pushed by the wheel 15 of the wheelchair and pivots to the lock position, the pin 22 is inserted into a locking pin hole 21 formed at a predetermined position of the lock lever 16.

The stop pin 22 will be described in detail with reference to FIG. The stop pin 22 is inserted into the stop pin hole 21 from below the lock lever 16 to hold the lock lever 16 in the locked position while the lock lever 16 is at the lock position, and the lock lever 16 is fixedly held at the lock position. It is provided in order to do. Also,
The release lever 12 is connected to the stop pin 22 by the stop pin hole 2.
It is provided for extracting from the number 1.

The stop pin 22 and the release lever 12 are
The stopper 13 is supported by a support base 24 formed on the cover 13, and the stop pin 22 and the release lever 12 operate in conjunction with each other. An urging spring 25 is wound around the stop pin 22 so that the stop pin 22 and the release lever 12 are constantly pushed upward.

As a result, when the lock lever 16 has not been rotated to the lock position, the stop pin 22 can be moved.
It is in a state of being in contact with the lower surface of the lock lever 16 by the force of the urging spring 25. For this reason, when the lock lever 16 rotates to the lock position and the stop pin hole 21 rotates upward, the stop pin 22 is pushed upward by the force of the spring 25 and is automatically inserted into the stop pin hole 21. Plugged in.

When removing the stop pin 22 inserted into the stop pin hole 21,
What is necessary is just to push the said release lever 12 downward. Thereby, the stop pin 2 that operates in conjunction with the release lever 12
2 also moves downward, so that the stop pin 22 comes out of the stop pin hole 21 and the lock lever 16 is in the unlocked state.

As described above, when the release lever 12 is depressed to unlock the lock lever 16, the lock lever 16 is automatically rotated by the elastic force of the spring 19. 1
6 will come into contact with the lower surface. The lower portions of the release lever 12 and the stop pin 22 are covered with a cover 13.

The pair of left and right guide arms 14A and 1
4B plays a role of guiding the wheel 15 of the wheelchair together with the connecting plate 7. More specifically, when locking to the lock device main body 1, the wheel 15 of the wheelchair is guided to the opening surface 17 of the lock lever 16 along a space where the connecting plate 7 and the first guide arm 14A face each other. You. At this time, the handle 26 for the user of the wheelchair to turn the wheel 15 is simultaneously guided along the space where the connecting plate 7 and the second guide arm 14B face each other.

In the above, the lock device main body 1A on the left has been described. Next, the lock device main body 1B on the right will be described. In the right locking device main body 1B, substantially the same components as those of the left locking device main body 1A are omitted, and only different portions will be described.

That is, in the right lock device main body 1B, the mounting base 27 is fixed to the horizontal base 4 without providing the horizontal guide plate 8 and the moving panel 9 and the rotary knob 10 and the moving stopper 11. Each member is disposed on the mounting base 27.

In the example described above, the lock device main body 1
Is fixed to the floor 2 on the vehicle and the side wall 3 on the vehicle, but may be fixed to only the floor 2 on the vehicle, or may be fixed only to the side wall on the vehicle.

Next, a description will be given of how to use the wheel lock device of the present embodiment configured as described above. First, an operation for locking the wheelchair to the lock device body 1 will be described. When the wheelchair is to be locked, the lock lever 16 is urged by a spring 19 and its opening 1
7 is in a direction in which the wheel 7 can contact the wheel 15 of the wheelchair, that is, the wheel releasing direction.

In this state, the wheelchair is locked to the lock device body 1.
And move the wheel 15 and the handle 26 of the wheelchair to
It advances toward the lock lever 16 along the space formed by the connecting plate 7 and the guide arm 14.

The opening surface 1 of the lock lever 16
The wheel 15 of the wheelchair is brought into contact with 7, and the lock lever 16 is pushed as it is. Thereby, the lock lever 1
6 rotates around the shaft 18 in the direction of the lock position about the rotation center axis, and as a result, the lock lever 16 and the wheelchair
5 reaches the lock position.

When the lock lever 16 reaches the lock position by being pushed by the wheel 15 of the wheelchair, the lock pin 16 enters the lock pin hole 21 so that the lock lever 16 is held at the lock position. . Thus, the wheel 15 of the wheelchair is fixedly held at the lock position by the lock lever 16. The wheelchair is fixedly held by the lock device main body 1 by performing the above operations simultaneously on the left and right lock device main bodies 1A and 1B corresponding to the left and right wheels 15 of the wheelchair.

Next, an operation for unlocking the wheelchair from the locked state with the locking device body 1 will be described. First, when the user of the wheelchair pushes the release lever 12 downward by hand, the stop pin 22 moves downward in conjunction with the release lever 12, so that the stop pin inserted into the stop pin hole 21 is used. The lock lever 16 is unlocked because the lock pin 16 does not have the stopper pin hole 21.

At this time, by simultaneously moving the wheel 15 of the wheelchair out of the locked position, the lock lever 16 pivots in a direction to open the wheel 15 of the wheelchair, and the opening surface 17 of the lock lever 16 is moved to the wheel position. Turn to release direction. By continuously moving the wheel 15 of the wheelchair in contact with the opening 17 of the lock lever 16 in the opening direction, the wheel 15 of the wheelchair can be released from the lock lever 16.

The wheelchair is easily released from the lock device main body 1 by performing the above-described operation simultaneously on both the left and right lock device main bodies 1A and 1B provided corresponding to the left and right wheels 15. Will be able to do it.

Further, by moving the movable panel 9 of the left lock device main body 1A in accordance with various widths between the wheels 15 of different wheelchairs in various types of wheelchairs, wheelchairs of various sizes can be obtained. Can be locked.

Next, a second embodiment of the wheel lock device of the present invention will be described with reference to FIG. In this example, detailed description of portions substantially similar to those of the first embodiment will be omitted, and only different portions will be described.

In this embodiment, the lock device main body 1 is disposed as a left lock device main body 1A and a right lock device main body 1B.
A and 1B show the case where it is installed on the moving bar 28, and the moving bar 28 has one end pivotally supported by a turning shaft 29 fixed to the floor 2 on the vehicle. It is.

At the other end of the moving bar 28, a state where the moving bar 28 is located at the end on the vehicle when the moving bar 28 is turned around the turning shaft 29, A moving bar stopper 30 fixed to a floor 2 on a vehicle at a predetermined position where the main body 1 is installed.
There is provided a stopper 31 for fixing and holding.

When the wheel lock device of the present embodiment configured as described above is used, the following is performed.
That is, when the lock device main body 1 is not used, first, the moving bar 28 is turned to the end on the vehicle, and the moving bar stopper 30 provided at that position is moved to the stop portion 31 of the moving bar 28. And the lock device main body 1 is fixedly held at the end on the vehicle.

When the lock device main body 1 is used, the moving bar 28 is turned from the end on the vehicle to a predetermined position where the lock device main body 1 is installed, and the moving bar provided at that position is rotated. The stopper 31 is connected to a bar stopper 30 (not shown), and the lock device main body 1 is fixedly held at a predetermined installation location.

As described above, the lock device for a wheelchair according to the present embodiment includes a lock lever 16 which is pushed by the wheel 15 of a wheelchair and turns so as to sandwich the wheel 15 of the wheelchair. A locking pin 2 for fixing the lock lever 16 to the lock position when rotated to the lock position.
In order to lock the wheel 15 of the wheelchair to the lock device main body 1, the wheel 15 of the wheelchair may be moved by contacting the lock lever 16 with the wheel 1.
5 can be easily locked to the wheel lock device.

A release lever 12 for unlocking the lock pin 22 and a spring 19 for moving the lock lever 16 so that the opening 17 faces the wheel release direction when the lock pin 22 is unlocked. When the wheel 15 of the wheelchair is removed from the lock device main body 1 while pressing the release lever 12 downward,
It is only necessary to move the wheel 15 of the wheelchair, and the operation of detaching the wheel 15 of the wheelchair can be easily performed.

[0052]

As described in detail above, according to the present invention, when a wheelchair is locked to the lock device main body, the wheel of the wheelchair is advanced toward the lock device main body while being guided by the guide arm. When the left and right wheels of the wheelchair are brought into contact with the opening surface of the lock lever provided in the lock device main body, the lock lever turns to guide the wheel of the wheelchair to the lock position. Then, in the lock position, a lock pin is automatically engaged with a lock pin hole formed in the lock lever to fix the lock lever in the lock position, thereby moving the wheel of the wheelchair to the lock position. The wheelchair can be fixed and held, and the user of the wheelchair can perform the locking operation in a normal state of riding on the wheelchair, so that the operation of locking the wheelchair can be easily performed.

When releasing the locked state, the locking pin is moved downward by pushing the release lever so that the locking pin is disengaged from the locking pin hole. When the lock lever is moved outward from the lock position, the lock lever is urged in the wheel releasing direction by a spring, and its opening surface is automatically rotated in the wheel releasing direction. The operation of releasing the lock can be easily performed.

According to another feature of the present invention, since the lock device main body is installed on a movable bar rotatably disposed on a vehicle, the lock device main body is not used when the lock device main body is not used. The bar can be swiveled and moved to the end on the vehicle, and as a result, the lock device main body can be kept out of the way when the lock device main body is not used. Will be able to

[Brief description of the drawings]

FIG. 1 is a top view showing a state where wheels of a wheelchair are unlocked with respect to a left locking device in a first embodiment.

FIG. 2 is a top view showing a state where wheels of a wheelchair are unlocked with respect to a right lock device in the first embodiment.

FIG. 3 is a diagram showing an unlocked state of a lock lever in the right lock device.

FIG. 4 is a view showing a locked state of a lock lever in the right lock device.

FIG. 5 is a top view showing a state in which wheels of a wheelchair are locked to the left locking device in the first embodiment.

FIG. 6 is a top view showing a state where wheels of a wheelchair are locked to a right lock device in the first embodiment.

FIG. 7 is a front view of the left lock device in FIG. 5;

FIG. 8 is a front view of the right lock device in FIG. 6;

FIG. 9 is a side view of the left lock device in FIG. 5;

FIG. 10 is a side view of the right lock device in FIG. 6;

FIG. 11 is a view showing a locking pin and a release lever.

FIG. 12 is a top view of the lock device according to the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lock device 1A Left lock device 1B Right lock device 2 Floor on car 3 Side wall on car 4 Horizontal base 4a Upper surface of horizontal base 5 Bolt 6 Vertical base 7 Connecting plate 8 Horizontal guide plate 9 Moving panel 10 Rotating knob 11 Movement stopper 12 Release lever 13 Cover 14 Guide arm 14A First guide arm 14B Second guide arm 15 Wheel 15 of wheelchair 16 Lock lever 17 Opening surface 18 Shaft 19 Spring 20 Spring stopper 21 Stop pin hole 22 Stop pin 24 Support base 25 Spring 26 Handle 27 Mounting base 28 Moving bar 29 Rotating axis 30 Moving bar stopper 31 Stopper 32 Stopper

Claims (2)

(57) [Scope of request for utility model registration] 1. A wheelchair lock device for fixing and holding a wheel 15 of a wheelchair on a vehicle, comprising: a lock lever 16 which is pushed by the wheel 15 of the wheelchair and turns; An opening surface 17 formed at one end of the lock lever 16 for making contact therewith; a guide arm 14 for guiding the wheel 15 of the wheelchair to make contact with the opening surface 17; When the lock lever 16 is pushed by the wheel 15 of the wheelchair and turns to a predetermined lock position, the lock pin 16 is advanced upward and engages with the stop pin hole 21 formed at a predetermined position. A lock pin 22 for fixing and holding the lock lever 16 at the lock position; and a lock pin 16 constantly biasing the lock pin 16 toward the lock lever 16 to rotate the lock lever 16 to the lock position. A biasing spring 25 for engaging the stop pin 22 in the stop pin hole 21 when turned, and for moving the stop pin 22 downward to remove the stop pin 22 from the stop pin hole 21 of the lock lever 16. Release lever 1
2 and a spring 19 that constantly urges the opening surface 17 of the lock lever 16 in the wheel release direction.
A lock device for a wheelchair, comprising: 2. The lock device main body 1 is disposed as a left lock device main body 1A and a right lock device main body 1B,
Moreover, the pair of left and right locking device bodies 1A, 1B
The moving bar 28 is mounted on a moving bar 28 rotatably mounted on the vehicle. The moving bar 28 is pivotally supported to an end position on the vehicle and a predetermined use state position on the vehicle. At one end thereof, and at a predetermined position where the moving bar 28 has turned about the turning axis 29 as a turning center axis, the floor 2 on the vehicle at that position.
Part 31 engaged with the moving bar stopper 30 fixed to the
2. The wheel lock device according to claim 1, further comprising: