JPH11290382A - Carrier with supporting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To operate a carrier in safety. SOLUTION: Concerning a carrier 1 having a vertically movable seat part 3, this carrier 1 is provided with a supporting device 11 composed of a an inversion preventing mechanism and/or move preventing mechanism for this carrier 1, both the mechanism function at least at the ascended position, the supporting device 11 is functioned by acting on a surrounding floor surface 15 outside the load receiving zone of casters 34 on the carrier 1, the supporting device 11 is functioned while being interlocked with the vertical moving function of the seat part 3 and concerning this supporting device 11, the inversion preventing function and/or move preventing function does not work at the descended position of the seat part 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a carrier with a supporting device used for washing, bathing, etc. with a physically handicapped person or a nursing elderly (hereinafter referred to as a patient) in a bathing posture.

[0002]

2. Description of the Related Art Japanese Patent Publication No. 5-83254 discloses a wheel, a traveling carriage, a chair frame, a support shaft, a chair body, a backrest, a seating portion, a chair base, A vehicle is disclosed which includes a footrest, a shaft, a chair base rotating means, a footrest angle increasing rotating means, a lifting / lowering means, an X-shaped link, a hydraulic cylinder, and a lock pedal. ing.

[0003]

The rock pedal in the above-mentioned conventional device is a foot-operated type, and there is a possibility that it may be forgotten to apply the lock. It is dangerous that the seat part falls off. In addition, there is no danger because there is no support device for preventing overturning.

[0004] An object of the present invention is to solve the above-mentioned drawbacks and to provide a carrier with a supporting device that can safely operate the carrier.

[0005]

That is, the present invention relates to a carrier (1) having a seat part (3) that can be raised and lowered, and a mechanism for preventing the carrier (1) from overturning that functions at least at the ascending part. 39) A transport vehicle with a supporting device, comprising a supporting device (11) comprising a movement preventing mechanism (40).

The supporting device (11) functions by acting on the peripheral floor (15) outside the load receiving zone of the caster (34) of the carrier (1). Further, the support device (11) functions in conjunction with the lifting / lowering function of the seat (3).

[0007] Furthermore, the support device (11) does not exhibit a fall-preventing function and / or a movement-preventing function when the seat (3) is in the lowered position. The transport vehicle (1) is composed of a movable truck unit (2) and a seat unit (3) that is supported by the truck unit (2) so as to be separable and that moves up and down. 11) is provided.

Further, a toggle link (23) is provided between the support device (11) and the bogie section (2), and the toggle link (23) functions to prevent the support device (11) from overturning and / or moving. Support device (11) to maintain the prevention action
Has a locking action against

[0009]

The seat 3 of the carrier 1 moves up and down. The support device 11 including the overturn prevention mechanism 39 and / or the movement prevention mechanism 40
Functions at least at the ascending site. Support device 11
Acts on the surrounding floor surface 15 outside the load receiving zone of the caster 34 of the carrier 1 to exhibit a fall prevention function and / or a movement prevention function.

[0010] The support device 11 exhibits a function of preventing falling and / or movement in conjunction with the function of lifting and lowering the seat section 3.
The support device 11 does not exhibit a fall prevention function and / or a movement prevention function when the seat 3 is in the lowered position.

The carriage 2 of the carrier 1 is movable. The bogie unit 2 supports the seat unit 3 so as to be able to move up and down and to be separable,
The support device 11 provided on the carriage unit 2 prevents the carrier 1 from overturning and / or moving. Supporting device 11 and trolley 2
The toggle link 23 provided between the support device 11
A locking action is performed on the support device 11 so as to maintain the overturning action and / or the movement preventing action.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A carrier 1 according to a first embodiment of the present invention shown in FIG. 1 has a movable carriage 2 and a seat 3 on which a patient sits.
And a lifting mechanism 4 mounted on the carriage 2 for raising and lowering the seat 3, and a support device 11 provided on the carriage 2 to prevent the carrier 1 from overturning and to prevent movement.

The elevating mechanism 4 includes an X frame 5 provided on the carriage 2, an elevating frame 6 mounted on the X frame 5 to move up and down, and an electric actuator 7 for raising and lowering the X frame 5. Consists of

The lifting mechanism 4 is not limited to the X frame 5 and the electric actuator 7, but includes a telescopic support (not shown) for raising and lowering the lifting frame 6 and a screw shaft (not shown). Any other suitable configuration may be used.

The upper and lower limit switches 8 and 9 are provided on the bogie unit 2 and are operated by the contact of the X frame 5 which is raised and lowered. Upper and lower limit switches 8.9
Gives an instruction to stop to the electric actuator 7 to stop the lifting of the lifting frame 6.

That is, when the descending lifting frame 6 reaches the lower limit position, it hits the lower limit switch 9 and stops lowering.
When the ascending lifting frame 6 reaches the upper limit position, it hits the upper limit switch 8 and stops ascending. Lift switch 10
Is an operating tool for operating the elevating mechanism 4 only when the switch 10 is pressed, and is a momentary switch.

The support device 11 comprises a fall prevention mechanism 39 for preventing the carrier 1 from falling, and a movement prevention mechanism 40 for preventing movement. In the first embodiment of the vertically movable carrier 1, the overturn prevention mechanism 39 prevents the carrier 1 from overturning and preventing movement when the seat 3 is at a position other than the lower limit position. When the seat portion 3 is at the lower limit position, the above-mentioned actions are not performed.

In another example relating to the position where the overturn prevention effect is exhibited, the overturn prevention effect of the carrier 1 appears when the seat 3 is at least at the upper limit position.

The overturn prevention mechanism 39 is specifically composed of support legs 13 which are supported by the support shaft 12 at the front of the bogie unit 2. The support leg 13 functions by acting on the surrounding floor 15 outside the load receiving zone of the caster 34 of the transport vehicle 1. Usually, the support leg 13 projects to the left and right of the transport vehicle 1. The right and left support legs 13c and 13d are provided to prevent the carrier 1 from rolling over from side to side.

One end 1 of the support leg 13 on the side of the bogie 2
3a is urged by a lifting spring 14, and the support leg 13 is always in a hanging posture.

The other part 1 of the support leg 13 on the outwardly projecting side
3b contacts the floor surface 15 when the support leg 13 is in the hanging posture.

The one part 13a protrudes into the elevating locus of the elevating frame 6, and when the elevating frame 6 descends, the one part 13a
Abuts on the lifting frame 6 and is pushed down. At this time, the support leg 13 rotates from the hanging posture toward the horizontal posture, and the other portion 13b of the support leg 13 moves away from the floor surface 15.

The movement preventing mechanism 40 of the supporting device 11
Specifically, it is a stop support leg 18 which is supported by a stop shaft 17 at the front end of the bogie unit 2.

The stop support leg 18 stops the movement (= mainly forward movement) of the transport vehicle 1. When the footrest 19 connected to the seat section 3 is in the hanging posture, the footrest 19 is stopped. To move the transport vehicle 1 downward, thereby causing the non-slip rubber 33 to abut on the floor surface 15 to stop the movement of the transport vehicle 1.
When the stop support leg 18 is suspended at the upper limit position, the stop support leg 18 is lifted up and does not perform the above-described stop operation.

The stop support leg 18 is placed in a floating position.
The contraction spring 2 is provided between the carriage 18 and the projection 18a on the outwardly projecting side.
Multiplied by zero.

In the carrier 1 of the first embodiment, the seat 3 is mounted so as to be separable from the lifting frame 6. When the transport vehicle 1 is pushed into a bathtub (not shown) at the time of bathing, the seat portion 3 is separated from the lifting frame 6, only the seat portion 3 enters the bathtub, and the bogie portion 2 and the lifting mechanism portion 4 are connected to the bottom wall of the bathtub. (Not shown).

In FIG. 1, reference numeral 21 denotes an operation handle, 22 denotes a support for detachably supporting the seat portion 3, 33 denotes non-slip rubber, 34 denotes wheels, 35 denotes a stop pedal for fixing the wheels 34, and 36 denotes a stop pedal. It is a battery.

When the embodiment is used for bathing the transport vehicle, the caregiver first sets the seat 3 of the transport vehicle 1 at an appropriate height for easy transfer, and places the patient on the transport vehicle 1. Put on. When the loading is completed, the elevating mechanism 4 is operated to lower the seat 3 to the lower limit position and move to the washing place in the bathroom. Next, seat part 3
The cleaning assistance is performed by raising the height to an appropriate height which facilitates the assistance work.

After the washing, the seat 2 is lowered again to the lower limit position,
The patient moves toward the bath tub and puts the patient in the bath tub together with the transport vehicle 1 to take a bath.

Although illustration is omitted, the mode of bathing is as follows.
Open the door and push the transport vehicle 1 into the bathtub. At this time, after the seat part 3 abuts on the bottom wall, the seat part 3 and the lifting mechanism part 4 separate, the seat part 3 enters the bathtub, and the lifting mechanism part 4 and the bogie part 2 Down to the bottom. Close the door, add hot water and take a bath.

When the lifting frame 6 is in the lowered position, one end 13a of the support leg 13 hits the falling frame 6 and is pushed down.
The support leg 13 is lifted and rotated rightward toward the horizontal posture (see FIG. 1). When the support leg 13 rotates clockwise, the support leg 1 rotates.
3 is separated from the floor surface 15 so that both the functions of the support leg 13 for preventing falling and movement are eliminated, and the bogie unit 2 is removed.
Can be moved freely.

Conversely, when the seat 3 is raised, the seat 3
The one part 13a of the support leg 13 moves away from the elevating frame 6 in conjunction with
Hits the floor surface 15, and the support leg 13 exhibits both functions of preventing falling and movement, preventing the carrier 1 from overturning and also preventing the carriage 2 from moving.

When the seat 3 is raised and lowered, when the seat 3 or the lifting frame 6 hits an obstacle, an anti-jamming device (not shown) composed of a planar switch or the like is operated, and the lifting mechanism 4 is moved. The operation of the emergency stop.

The seat switch 3 is moved up and down to an appropriate height between the lower limit position and the upper limit position by operating the lift switch 10.

The stop support leg 18 stops the movement of the carrier 1. When the footrest 19 connected to the seat portion 3 is in the hanging position without being locked at the upper limit position, the footrest 1
9, the weight of the stop support leg 18 is pushed down, and the protrusion 18
a is attached to the floor surface 15 and stops the transport vehicle 1 from moving forward. When the lifting frame 6 is in the lowered position, both the functions of the support leg 13 for preventing the fall and the movement of the support leg 13 are eliminated, and the movement of the carriage 1 by the stop support leg 18 is effective when the carriage 2 is freely movable. It is.

When the footrest 19 is hung at the upper limit position and is in a horizontal position, the protruding portion 18a is pulled by the contraction spring 20 to be in a floating position, and does not perform the stopping action.

The transport vehicle 1 transports, assists in cleaning, and places the patient in a bath in a supine position or a sitting position or a reclining position. In particular, when the carrier 1 is a wheelchair (not shown) having a reclining structure, the seat portion 3 is raised to facilitate the work when assisting cleaning, but the seating position is unstable. In this case, a stable posture of the wheelchair is ensured by the overturning preventing action of the support device 11.

In the carrier 1 according to the second embodiment of the present invention shown in FIGS. 2 and 3, a toggle link 23 is additionally installed between the support device 11 of the carrier 1 and the carriage 2 in the first embodiment. The support leg 13 of the support device 11 replaces the bogie support leg 32. The support device 11 of the second embodiment has a fall prevention function and a movement prevention function.

The toggle link 23 is connected to the carriage 2 by the main drive shaft 2.
4, a driving arm 25 whose intermediate portion is pivotally supported, and a driving arm 25
Arm 25 at the driven shaft 27 at the tip 25a of the arm 25
Arm 26 on which the shaft is supported, and a holding shaft 28
And a pressing tool 30 whose base end is pivotally supported.

An arm base end 26b of the driven arm 26 is pivotally supported by a driven base shaft 29 at an intermediate portion of the pressing action tool 30.

The carriage support leg 32 is provided with a receiving member 31 which is pressed against the pressing action device 30. Active arm 25
The base end 25b on the side of the bogie section 2 is located in the movement locus of the lifting frame 6, and when the lifting frame 6 reaches the lower limit position, the driving arm 25 rotates clockwise.

A string 37 extends from the other end of the bogie contraction spring 16, and the string 37 is fixed to a base end of the driving arm 25b via a pulley 38 attached to the bogie unit 2. .

The operation of the bogie support leg 32 will be described. When the lifting frame 6 reaches the lower limit position, the base end 25b of the driving arm 25 is pushed down. At this time, the tip 25a of the outwardly protruding portion of the driving arm 25 rises, and the tip 26a of the driven arm 26 is pulled up.

When the driven arm 26 is raised, the arm base end 26b rotates clockwise about the presser shaft 28, and the presser action tool 30 is also raised and clockwise. When the pressing action tool 30 reaches the position where it is pulled up, the pressing force on the receiving tool 31 disappears. Then, the bogie support leg 32 is raised by the urging force of the bogie contraction spring 16 having one end connected to the bogie support leg 32, and the effects of preventing the vehicle from tipping over and moving are eliminated.

Next, the operation of the bogie support leg 32 in conjunction with the lowering of the footrest 19 will be described. When the trolley support leg 32 is in the raised position and the footrest 19 is lowered to a hanging state, the trolley support leg 32 is pushed down by the weight of the footrest 19, and the leg portion 32a abuts on the floor surface 15, and the carrier 1 Advance stops.

As shown in FIG. 3, the toggle link 23
When the leg portion 32a of the bogie support leg 32 is in contact with the floor surface 15 and acts to prevent the carrier 1 from tipping over, the bogie support leg 32 is configured to prevent the leg portion 32a from moving upward.
Is to lock.

That is, when the lifting frame 6 rises, the lifting frame 6 is removed from the base end 25b of the driving arm 25, and the leading end 25a of the driving arm 25 is rotated left. When the driving arm 25 rotates counterclockwise, the driving arm 25 becomes driven arm 26.
The pressing action tool 30 is pressed down through the
Is locked.

The holding action tool 30 hits the receiving tool 31 to push down the bogie support leg 32, and the leg tip 32 of the bogie support leg 32.
a is brought into contact with the floor surface 15 to prevent the carrier 1 from overturning and moving.

When the toggle link 23 is in the locked state, the holding action tool 30 is in the locked state where it cannot be rotated upward, and the bogie support leg 32 is in a state where it cannot be raised, but the driving arm 25 is pushed down by the lifting frame 6. When the clockwise rotation is performed, the locked state is released.

[0050]

According to the present invention, since the supporting device 11 including the overturn prevention mechanism 39 and / or the movement prevention mechanism 40 of the carrier 1 is provided so that the seat 3 functions at least at the ascending position, the seat 3 is raised. Even when the work such as cleaning assistance is performed at a high position where the assistance is easy to perform, the carrier 1 does not shake and there is no fear of falling down, and the cleaning assistance work or the like can be performed safely and safely, which is convenient.

The support device 11 according to the present invention is a
Since it functions by acting on the peripheral floor surface 15 outside the load receiving zone of the caster 34 of FIG.
When the vehicle is operating, the transport vehicle 1 is more stable, does not shake, does not fall over, and can safely and safely perform an assisting operation, which is convenient.

The support device 11 according to the present invention includes the seat 3
Since the fall prevention function and / or the movement prevention function work and function in conjunction with the lifting function of the
In addition, it is possible to prevent a dangerous situation from occurring due to forgetting the manual operation, and it is possible to improve workability and secure safety when raising and lowering and nursing the seat portion 3, which is convenient.

The support device 11 according to the present invention comprises the seat 3
Does not exhibit the fall prevention function and / or the movement prevention function in the lowered position, so that the movement operation can be performed safely, which is convenient.

Even in the case where the carrier 1 according to the present invention comprises a movable carriage 2 and a seat 3 separably supported by the carriage 2, cleaning assistance is provided at a high position where the seat 3 is raised. Even if such a work is performed, the transporting vehicle 1 does not shake and does not fall over, so that the cleaning assistance work can be performed safely and with security, which is convenient.

Further, the seat 3 is separated from the bogie 2 outside the bathtub, and only the seat 3 enters the bathtub to perform bathing. In this case, the support device 11 is provided on the bogie 2 side. Therefore, no extra mechanism is added to the seat portion 3 and bathing assistance can be easily performed without any obstacle to bathing and bathing assistance, which is convenient.

According to the present invention, a toggle link 23 is provided between the support device 11 and the carriage unit 2, and the toggle link 23 is provided.
Is to lock the support device 11 so as to maintain the overturn prevention function and / or the movement prevention action of the support device 11, so that the support device 11 has the function of preventing the carrier 1 from overturning. When the support link 11 is in contact with the floor 15, the toggle link 2
Numeral 3 serves as a locking function to prevent the front end of the support device 11 from moving upward, so that the function of preventing the carrier 1 from tipping over can be more reliably and conveniently achieved.

[Brief description of the drawings]

FIG. 1 is a left side view of a first embodiment of the present invention in which a seat 3 is at an upper limit position.

FIG. 2 is a plan view of the first embodiment of the present invention in which a seat 3 is at an upper limit position.

FIG. 3 is a left side view in which a seat 3 according to a second embodiment of the present invention is at an upper limit position.

FIG. 4 is a left side view of the second embodiment of the present invention, in which a seat 3 is at a lower limit position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor vehicle 2 Bogie part 3 Seat part 11 Support device 15 Floor surface 23 Toggle link 34 Caster 39 Fall prevention mechanism 40 Movement prevention mechanism

Claims (6)

[Claims] 1. A transport vehicle (1) having a seat part (3) which can be raised and lowered, which functions at least at an ascending portion, and which functions to prevent the transport vehicle (1) from overturning (39) and / or prevent movement. 40. A carrier equipped with a supporting device, comprising a supporting device (11) comprising (40). 2. The support device (11) functions by acting on a peripheral floor (15) outside a load receiving zone of a caster (34) of a carrier (1). The carrier with a supporting device according to claim 1. 3. The carrier with a supporting device according to claim 1, wherein the supporting device functions in conjunction with a lifting function of the seat portion. 4. The carrier with a support device according to claim 1, wherein the support device does not exhibit a function of preventing a fall and / or a movement when the seat portion is in a lowered position. . 5. The transport vehicle (1) is composed of a movable truck unit (2) and a seat unit (3) which is supported by the truck unit (2) so as to be separable and moves up and down. Support device (1
2. The carrier with a support device according to claim 1, wherein 1) is provided. 6. A toggle link (23) is provided between the support device (11) and the bogie unit (2), and the toggle link (23) prevents the support device (11) from overturning and / or moving. 2. A carrier with a support device according to claim 1, wherein the transport device has a locking effect on the support device so as to maintain the prevention function.