JP2000316909A - Wheelchair lifting carrier device for vehicles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ascending and descending carrier device for a vehicle, which is lightweight, compact and easy to handle, adapted to a small vehicle. SOLUTION: There is provided a loading means for loading a wheelchair, and the loading means is moved up and down outside of a vehicle compartment by a link means which rotates about the vehicle compartment as a base end. A wheelchair raising / lowering carrier device for a vehicle in which a rail means for laterally moving from the vehicle interior to the exterior of the vehicle interior is installed, and a wheelchair can be loaded into the vehicle interior and lowered from the vehicle interior by vertical movement and lateral movement.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting and lowering carrier device capable of easily and compactly loading a wheelchair in a passenger compartment of a small car or the like.

[0002]

Conventionally, a large number of wheelchair elevating devices for vehicles have been proposed. In recent years, wheelchairs have been improved to reduce weight, but there is a limit to reduction due to robustness and safety, and loading and unloading to and from a vehicle is particularly difficult because it involves vertical movement. No weight. Further, in a small car or the like, the loading space is particularly narrow, and a reduction in storage volume is required.

An object of the present invention is to provide a lifting and lowering carrier device for a vehicle that is lightweight, compact and easy to handle, suitable for a small vehicle.

[0004]

SUMMARY OF THE INVENTION The present invention comprises a loading means for loading a wheelchair, and the loading means is supported by a link means which rotates about a cabin and moves up and down outside the cabin. A wheelchair lifting / lowering carrier device for a vehicle capable of loading / unloading a wheelchair by vertically moving and laterally moving rail means for laterally moving the loading means from outside the vehicle compartment to the vehicle interior or from the vehicle interior to the exterior of the vehicle interior. It is in.

The link means supports the base ends of an upper arm and a lower arm with a support shaft on an abutment plate erected on a base, and connects the distal ends of the upper arm and the lower arm to a lifting frame with a support shaft. Alternatively, the lifting frame may be arranged so as to be able to move up and down around the base by the principle of the four-side link mechanism.

[0006] The upper end of the gas bar is connected to the upper arm or lower arm of the link means by a support shaft, and the opposite lower end is connected to the mounting plate integral with the abutment plate by the support shaft, and the upper arm and the lower arm are centered on the base end. When the gas bar is turned, the gas bar is compressed according to the turning angle, and the gas bar is balanced with the wheelchair loaded on the loading means, so that the weight of the wheelchair can be reduced so that the wheelchair can be moved up and down manually.

The rail means may comprise a slide rail receiver supported on an elevating frame and a slide rail type movable frame in which the loading means is integrally arranged.

[0008] The slide rail receiver of the rail means,
A slide roller and a roller supported by a support shaft may be provided at a required interval before and after.

The loading means is composed of a main loading frame and a sub loading frame. The loading means is welded to a slide rail type movable frame, and the wheel portion of the folded wheelchair is placed on the main loading frame. The parts may be mounted on the sub-carrier frame and loaded.

The slide rail type movable frame of the rail means has a lock hole which is locked at a front end slide position and a rear end slide position with respect to the slide rail receiver, and is provided on the outer surface of the rear half of the slide rail receiver. The slide lock mechanism has a bearing tube protruding from the outer surface of the rear half of the slide rail receiver, slidably supports the slide lock shaft, and slides one end of an extended coil spring housed in the bearing tube through the slide lock shaft. It is connected to the lock connecting pin and urges the slide lock shaft outward, and when it corresponds to the front end slide lock hole and the rear end slide lock hole opened in the slide rail type movable frame, it fits into the slide rail receiver. On the other hand, the slide rail type movable frame may be locked at the front end slide position and the rear end slide position. Than it is.

A base end of a slide lock shaft of the slide lock mechanism is formed in a slide lock cam, and a base end of a slide lock lever is integrally connected to a part of the slide lock cam.
By rotating the slide lock lever, a slide lock cam integrated with the slide lock shaft is provided to be rotatable by a required angle,
A guide plate having an inclined guide surface formed at the tip may be attached to the upper edge of the abutment plate.

An elevating lock shaft is provided integrally with the abutment plate,
An elevating lock is attached to the front half of the slide rail receiver so as to face the elevating lock shaft, and an elevating lock release cam is attached at the front end side of the slide rail type movable frame and on the side facing the elevating lock shaft, The elevating lock includes an elevating lock lever provided with an elevating lock connecting pin that faces the elevating lock release cam, and a movable lock claw that releases the elevating lock shaft locked in the elevating lock groove by rotating the elevating lock lever. May be provided.

[0013]

DETAILED DESCRIPTION OF THE INVENTION The present invention comprises a loading means for loading a wheelchair.
A rail that moves the loading means up and down outside of the cabin by linking means that pivots about the cabin and moves the loading means from the outside of the cabin to the cabin or from the cabin to the outside of the cabin. A wheelchair elevating and lowering carrier device for a vehicle in which means are installed, and a wheelchair can be loaded into a vehicle room and lowered from the vehicle room by vertical movement and lateral movement.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a vehicle wheelchair elevating and lowering carrier device of the present invention will be described with reference to the drawings as an example of the embodiment.
A base 3 is mounted on a floor 2 of a passenger compartment near a doorway of a vehicle 1 or a doorway of an object, and an abutment plate 3 erected on the base 3.
a, 3b supporting the base ends of the upper arm 6 and the lower arm 7 with the supporting shafts 4 and 5, respectively, and connecting the distal ends of the upper arm 6 and the lower arm 7 to the elevating frame 10 with the supporting shafts 8 and 9; The lifting frame 10 is arranged so as to be able to move up and down by the principle of the four-side link mechanism around the center 3.
A support frame 11 is attached to one side of the support frame, and a slide rail receiver 12 is integrally attached to a lower end of the support frame 11.

The slide rail receiver 12 is, as an embodiment, supported by grooved slide rollers 13, 13 with support shafts 14 at predetermined intervals in the front and rear direction. Rollers 15, 15 in the vertical position of 13
Are rotatably supported by the support shafts 16 and 16. The grooved slide rollers 13 are opposed to the slide rail type movable frame 17 by upper rail portions 18a,
The rollers 15, 15 are fitted to the facing lower rails 18b.
Is the upper edge rail portion 1 of the slide rail type movable frame 17
The slide rail-type movable frame 17 is slidably mounted by regulating the slide rail-type movable frame 17 by the groove-type slide rollers 13, 13 and the rollers 15, 15 of the slide rail receiver 12. are doing.

This slide rail type movable frame 17
In addition, as an example, the carrier frame 20 including the main carrier frame 20a and the sub carrier frame 20b is welded and erected, and, for example, the wheel portion 22 of the wheelchair 21 is folded.
a on the main carrier frame 20a, and the leading wheel portion 22b
Is mounted on the sub carrier frame 20b.

The slide rail type movable frame 17 is locked to the slide rail receiver 12 at a front end slide position and a rear end slide position. As shown in FIGS. 7 and 8, the slide lock mechanism 23 has, as an embodiment, a bearing tube 24 protruding from the outer surface of the rear half of the slide rail receiver 12 and slidably supports a slide lock shaft 25. At the same time, one end of the extension coil spring 26 housed in the bearing cylinder 24 is connected to a slide lock connecting pin 27 penetrating through the slide lock shaft 25, and the slide lock connecting pin 27 is urged outward.
Slides until it comes into contact with the outer end wall 24a of the bearing tube 24, and corresponds to the front end slide lock hole 28 and the rear end slide lock hole 29 opened in the slide rail type movable frame 17, so that the slide rail receiver 12 is fitted. The slide rail type movable frame 17 is locked at the front end side slide position and the rear end side slide position.

The base end of the slide lock shaft 25 is formed as a slide lock cam 30 as an embodiment, and a base end of a slide lock lever 31 is integrally connected to a part thereof, and the slide lock lever 31 is rotated. In addition, a slide lock cam 30 integrated with the slide lock shaft 25 is provided to be rotatable by a required angle.

As an embodiment, a guide plate 32 having an inclined guide surface 32a formed at the tip is attached to the upper edge of the support plate 3a, and when the slide lock lever 31 is turned, the slide lock cam 30 is turned. By sliding on the guide plate 32, the slide lock shaft 25 is compressed by the expansion coil spring 26, and is slid in the thickness direction and the proximal direction of the guide plate 32, and the distal end of the slide lock shaft 25 is moved to the corresponding front end slide lock. The slide rail type movable frame 17 and the slide rail receiver 12 are unlocked by removing them from the hole 28 or the rear end slide lock hole 29.

As an embodiment, the slide lock lever 31
A traction spring 33 is stretched between the slide rail receiver 12 and a proper place from the base end of the slide rail receiver 12 and is urged with a required traction force until it collides with a stopper pin 34 fixed to a proper place of the slide rail receiver 12.

As an embodiment, an elevating lock shaft 35 is provided integrally with the abutment plate 3a, and the elevating lock shaft 35 is provided on the front half side of the slide rail receiver 12 so as to face the elevating lock shaft 35.
6 and a lift lock release cam 37 is mounted on the front end side of the slide rail type movable frame 17 and on the side facing the lift lock shaft 35, and the lift lock 36 is in contact with the lift lock release cam 37. A movable lock claw 36 for releasing an elevating lock shaft 35 locked in an elevating lock groove 36a by rotation of the elevating lock lever 39.
b.

Reference numeral 40 denotes a gas bar, as an embodiment, the upper end of which is connected to the upper arm 6 by a support shaft 41, and the lower end of which is connected to a mounting plate 43 integral with the abutment plate 3a by a support shaft 42. Therefore, when the upper arm 6 rotates about the base end, the gas bar 40 is compressed according to the rotation angle, so that the upper arm 6 balances with the wheelchair 21 loaded on the carrier frame 20, and reduces the weight of the wheelchair 21 to manually The wheelchair 21 can be raised and lowered.

Since the vehicle wheelchair elevating and lowering carrier device of the present invention is constructed as an embodiment as described above, when the wheelchair 21 is lowered from the vehicle to the outside of the vehicle, as shown in FIG. When turned up,
The slide lock cam 30 at the base end rotates to guide the plate 32.
Receiving a sliding force in accordance with the inclined guide surface 32a of the slide rail type movable frame 1
7 is released from the rear end slide lock hole 29 to release the lock. When the slide lock lever 31 rotates and collides with the stopper pin 34, the slide lock cam 30
It reaches the release surface 32b of the guide plate 32. And it is held by the action of the traction spring 33. Therefore, the slide rail type movable frame 17 that has become free with respect to the slide rail receiver 12 is moved rearward, and the wheelchair 21 is pulled out of the vehicle. Since the slide rail receiver 12 supports the slide rail type movable frame 17 at a gentle forward and downward inclination, the slide rail receiver 12 moves rearward with an operation force against the gravitational action, and the slide lock release of the slide lock lever 31 is released. At the same time, the slide rail type movable frame 17 does not automatically move backward.

When the slide rail type movable frame 17 is moved to the rear end with respect to the slide rail receiver 12, the front end of the slide rail type movable frame 17 collides with the corresponding groove type slide roller 13 and stops. Prior to this stop, the lifting lock lever 39 of the lifting lock 36 disposed on the front end side contacts the lifting lock connecting pin 38 of the lifting lock lever 39 to rotate the lifting lock lever 39, and the movable lock claw 36b of the lifting lock 36 moves to the release side. The slide lock is rotated to push the lift lock shaft 35 out of the lift lock groove 36a to release the slide lock. When the slide lock lever 31 is rotated downward to remove the slide lock cam 30 from the guide plate 32 while the slide rail type movable frame 17 is held at the rear end position, the slide due to the thickness of the guide plate 32 is released. As a result, the slide lock shaft 25 returns by the action of the extension coil spring 26, and its tip is fitted and locked in the front end slide lock hole 28 of the slide rail type movable frame 17. Then, the slide rail type movable frame 17 is fixed to the slide rail receiver 12. The slide lock lever 31 attempts to return with the traction spring 33, but the stopper surface 30a
Abuts on the upper edge of the guide plate 32, the locked state is maintained.

Here, the carrier frame 20 or the like can be grasped and rotated about the base ends of the upper arm 6 and the lower arm 7 to lower the elevating frame 10 and lower the wheelchair 21 to a road surface or the like. Since the slide lock cam 30 is separated from the guide plate 32 by the downward movement of the slide rail receiver 12, the slide lock cam 30 returns by the action of the traction spring 33 until it collides with the stopper pin 34. However, since the slide lock cam 30 is already separated from the guide plate 32, the lock is released. The lock is maintained because there is no sliding action to release. Then, the wheelchair 21 is lowered from the carrier frame 20 and used.

The step of loading the wheelchair 21 onto the vehicle from the road surface or the like is performed in the reverse order of the step of unloading the wheelchair 21. Here, when the carrier frame 20 or the like is gripped and the base frame of the upper arm 6 and the lower arm 7 is rotated around the base end to raise the elevating frame 10, the slide rail receiver 12 corresponds to the elevating lock shaft 35 of the abutment plate 3a. The elevating lock groove 36a of the elevating lock 36 provided on the corresponding surface of the slide rail receiver 12 moves from the rear, engages with the elevating lock shaft 35, and pushes and locks the movable lock claw 36b. With the rotation of the movable lock claw 36b, the lifting lock lever 39 is also raised, and returns to the locked position. The slide rail type movable frame 17 is moved to the front end side to accommodate the wheelchair 21 in the vehicle interior, and the slide lock lever 31 is moved.
Is pressed down, the slide lock shaft 25 is fitted into the rear end slide lock hole 29 of the slide rail type movable frame 17, and the slide rail type movable frame 17 is locked in a state of being moved to the front position, thereby completing the loading step.

[0027]

As described above, the vehicle wheelchair elevating and lowering carrier device of the present invention moves the wheelchair into two stages of vertical and vertical movements by the upper arm and the lower arm and lateral movement by the slide rails, and enters the vehicle. Since it is housed or lowered outside the vehicle, the link member by the upper arm and the lower arm can be shortened as much as possible,
The arc-shaped turning radius can be reduced so as to correspond to an opening of a small car having a low eave height.

Further, the slide rail type movable frame can be locked between the front end position and the rear end position, so that the safety at the time of lifting and lowering work and at the time of storage can be ensured.

Also, since the lateral movement is performed by sliding movement, the wheelchair can be accommodated in a narrow volume such as a rear seat without moving up and down.

The movement of the slide rail type movable frame automatically automates locking and release of the link mechanism with the base frame, and easily locks the slide rail receiver and the front end position and the rear end position of the slide rail type movable frame by a mechanism. It can be carried out.

The vehicle wheelchair elevating and lowering carrier device of the present invention is adapted to a small vehicle.

[Brief description of the drawings]

FIG. 1 is an overall side view showing an embodiment of a vehicle wheelchair elevating and lowering carrier device of the present invention, showing a state in which a wheelchair loading table is stored in a vehicle cabin.

FIG. 2 is a rear view of the same.

FIG. 3 is a plan view of the same.

FIG. 4 is a side view showing a link mechanism that similarly supports a slide rail receiver and rotates the wheelchair loading base portion around a fulcrum in the vehicle compartment while maintaining the angle of the support surface within a required angle range. is there.

FIG. 5 is a partial side view of a slide rail type movable frame and a slide rail receiver for expanding a storage movement by moving a wheelchair loading table portion in and out of a vehicle compartment.

6 is a cross-sectional view of the slide rail type movable frame and the slide rail receiver along the line AA in FIG. 5;

FIG. 7 is a side view of a slide rail lock unit that locks the slide rail type movable frame with respect to a slide rail receiver at an inner slide position and an outer slide position.

8 is a side view of the slide rail lock unit, which is also taken along the line BB of FIG. 7;

FIG. 9 is an enlarged partial side view illustrating a lock mechanism that locks the link mechanism and the slide rail receiver in a state where the slide rail type movable frame is moved to the rearward slide position, and an opening operation and a closing operation thereof. .

FIG. 10 is a side view showing a state in which the carrier frame of the vehicle chair lifting / lowering carrier device of the present invention is rotated outside the room for loading / unloading the wheelchair.

[Explanation of symbols]

 Reference Signs List 1 vehicle 2 cabin floor 3 base 3a abutment plate 3b abutment plate 4 support shaft 5 support shaft 6 upper arm 7 lower arm 8 support shaft 9 support shaft 10 elevating frame 11 support frame 12 slide rail receiver 13 groove type slide roller 14 support shaft 15 roller 16 support shaft 17 slide rail type movable frame 18a facing upper rail portion 18b facing lower rail portion 19a upper edge rail portion 19b lower edge rail portion 20 carrier frame 20a main carrier frame 20b sub carrier frame 21 wheelchair 22a Wheel portion 22b Lead wheel portion 23 Slide lock mechanism 24 Bearing cylinder 24a Outer end wall 25 Slide lock shaft 26 Extended coil spring 27 Slide lock connecting pin 28 Front end slide lock hole 29 Rear end slide lock hole 30 Slide lock cam 30a Stopper surface 31 Slur Id lock lever 32 Guide plate 32a Inclined guide surface 32b Release surface 33 Tow spring 34 Stopper pin 35 Elevating lock shaft 36 Elevating lock 36a Elevating lock groove 36b Movable lock claw 37 Elevating lock release cam 38 Elevating lock connecting pin 39 Elevating lock lever 40 Gas bar 41 Support shaft 42 Support shaft 43 Mounting plate

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masaru Okada 417 Uenonami Enokicho, Takasaki City, Gunma Prefecture Wako Industry Co., Ltd. F term (reference) 3F076 AA01 CA03 DA13 DA27 GA09

Claims (9)

[Claims] 1. A vehicle comprising a loading means for loading a wheelchair, wherein the loading means is moved up and down outside of the cabin by a link means which pivots around the cabin, and the loading means is provided with a loading means from outside the cabin. A wheelchair lifting / lowering carrier device for a vehicle, in which a rail means for laterally moving from the interior of the vehicle or from the interior of the vehicle to the exterior of the vehicle is installed, and a wheelchair can be loaded / unloaded by vertical movement and lateral movement. The link means supports the base ends of an upper arm and a lower arm with a support shaft on an abutment plate erected on a base, and an elevating frame using the support shaft with the distal ends of the upper arm and the lower arm. 2. The vehicle wheelchair elevating carrier device according to claim 1, wherein the elevating frame is arranged so as to be able to move up and down around the base by the principle of a four-sided link mechanism. 3. The upper end of the gas bar is connected to an upper arm or a lower arm of the link means by a support shaft, and the opposite lower end is connected to a mounting plate integral with the abutment plate by a support shaft.
When the upper arm and the lower arm rotate about the base end, the gas bar is compressed in accordance with the rotation angle, and the gas bar is balanced with the wheelchair loaded on the loading means, so that the weight of the wheelchair is reduced and the wheelchair can be manually moved up and down. The vehicle wheelchair elevating and lowering carrier device according to claim 2, wherein: 4. The slide means according to claim 1, wherein said rail means comprises a slide rail receiver supported on an elevating frame, and a slide rail type movable frame in which a carrier means is integrally arranged.
The vehicle wheelchair elevating carrier device according to claim 2 or 3. 5. The vehicle wheelchair elevating and lowering carrier device according to claim 4, wherein said slide rail receiver of said rail means is provided with a slide roller and a roller which are supported by a support shaft at a predetermined interval in front and rear. 6. The carrier means comprises a main carrier frame and a sub carrier frame, and is disposed by being welded to a slide rail type movable frame, and a wheel portion of a folded wheelchair is placed on the main carrier frame. The wheelchair elevating and lowering carrier device for a vehicle according to claim 2, wherein the leading wheel portion is mounted on the sub carrier frame and loaded. 7. The slide rail type movable frame of the rail means has a lock hole which is locked at a front end slide position and a rear end slide position with respect to the slide rail receiver, and an outer surface of a rear half of the slide rail receiver. The slide lock mechanism is provided with a projection on the outer surface of the rear half of the slide rail receiver to support the slide lock shaft slidably and penetrate one end of the extended coil spring housed in the bearing through the slide lock shaft. When the front and rear slide lock holes corresponding to the front and rear slide lock holes opened on the slide rail type movable frame are connected, This locks the slide rail type movable frame with respect to the receiver at its front end slide position and rear end slide position. 7. The vehicle wheelchair lifting / lowering carrier device according to claim 2, claim 3, claim 4, claim 5, or claim 6. 8. A slide lock cam, wherein a base end of a slide lock shaft of the slide lock mechanism is formed in a slide lock cam.
The base end of the slide lock lever is integrally connected to a part of the slide lock lever, and the slide lock lever is rotated to provide a slide lock cam integral with the slide lock shaft so that the required angle can be freely rotated. 8. A vehicle wheelchair elevating and lowering carrier device according to claim 7, wherein said guide plate is attached to an upper edge of said abutment plate. 9. An elevating lock shaft is provided integrally with the abutment plate, and an elevating lock is attached to a front half of the slide rail receiver so as to face the elevating lock shaft, and at a front end side of the slide rail type movable frame, A lift lock release cam is mounted on the side facing the lift lock shaft, and the lift lock includes a lift lock lever provided with a lift lock connecting pin that faces the lift lock release cam. 9. The vehicle wheelchair elevating and lowering carrier device according to claim 8, further comprising a movable lock pawl for releasing the elevating lock shaft locked in the elevating lock groove by movement.