JP4377216B2 - Nursing bath system - Google Patents

Description

The present invention relates to a nursing tub system using a slide-type separation wheelchair for bathing by a physically handicapped person or an elderly person.

As this type of bathing apparatus, techniques described in Patent Document 1 and Patent Document 2 have been known so far.
The bathing device described in Patent Document 1 is composed of a bathtub provided with a door and a wheelchair in which a seat part is slid and separated from a carriage part. At the time of bathing, only the seat part enters the bath water, and the carriage The part is outside the bath water, and a wheelchair on which a patient is placed is brought into contact with the opening of the bathtub when bathing. At the time of abutment, the cart locking device automatically engages with the locking receptacle, and the cart portion is locked to the bathtub. Next, the latch pin is pulled upward to release the latch of the seat part and the cart part, and with the front handle, only the seat part is pushed into the bathtub and the door is closed to bathe the patient. When bathing is completed, drain the hot water, open the door, and move the seat part from the drawer tub to the carriage part with the front handle. When the seat part finishes transferring from the guide in the tank to the carriage guide, the latch pin is hooked on the latch hole and the seat part is latched. Next, the operation tool is stepped on to remove the cart lock from the lock receiving tool, and the wheelchair is pulled away from the bathtub.

Moreover, the bathing apparatus described in Patent Document 2 can be simply described as attaching / detaching a chair part and detaching a carriage from a fixed bathtub by operations of stepping on a pin attaching / detaching pedal and a wheelchair releasing pedal, respectively.

Japanese Patent Laid-Open No. 11-221262 JP 2003-116955 A

In the case of the bathing device described in Patent Document 1, the operation of unlocking the seat portion and the cart portion during bathing and pushing into the bathtub and locking the seat portion and the bathtub with the locking pin is also performed after the bath. The operation of releasing the lock and the operation of locking the seat part and the carriage part and the operation of stepping on the operation tool and pulling the wheelchair away from the bathtub are necessary, and there are individual operation parts to perform each operation, Caregivers had to change their behavior each time. In addition, it is troublesome to understand the order and operation method for each operation, and it may take time, and complaints such as cooling the body while waiting for the care recipient have been made. In addition, the number of parts of the coupling mechanism is relatively large, leading to an increase in cost.

In the case of the bathing apparatus described in Patent Document 2, the operation of stepping on the pin attachment / detachment pedal and the wheelchair release pedal is necessary for attaching / detaching the chair portion and detaching the carriage from the fixed bathtub, respectively. Each operation has an individual operation unit, and the caregiver has to change the operation each time. In addition, it is troublesome to understand the order and operation method for each operation, and it may take time, and there are complaints such as cooling the body while waiting for the care recipient, and the connection mechanism The number of parts was also relatively large, leading to increased costs. In addition, since there was no fixing operation of a bathtub and a chair part, the cared person was put in the unstable state during bathing.

The present invention according to a first aspect of the invention in view of the above problems, a simple structure, good operability for caregivers, to provide a little care tub system burden is intended is there.

The invention described in Claim 2 is intended to provide a through Mamoruyo bath system that can be changed to ensure the angle of off Ttoresuto.

To solve the above problems, a first aspect of the present invention, a tub for care of the chair portion with a guide portion that can guide to a predetermined support position, on a movable carriage portion, can enter the guide portion such the seat part having a guided portion consists of a chair unit mounted detachably via the first fixing / release mechanism, the bath tub, consolidated the seat part at a predetermined support position A nursing tub system provided with a possible second fixing / releasing mechanism, wherein the first fixing / releasing mechanism is provided in the cart section and can be moved in and out by rotation of a rotating link; The chair portion includes an engaged portion to which the lock pin in a protruding state can be engaged, and the second fixing / releasing mechanism is provided in the bathtub, and the chair portion is Fixable chair fixing hook and angle changeable to the chair part The footrest is connected to the footrest and a slide lock bar that is engaged with and disengaged from the chair fixing hook by changing the angle of the footrest. A connecting bar that comes into contact with the chair unit when the chair is placed at a predetermined entry position and the carriage unit, the connection bar can come into contact with the chair part further from the entry position to the support position side. Provided with a linkage hook that is rotated by being pushed by the connecting bar, and a link rod that connects the connecting hook and the rotating link and rotates the rotating link as the connecting hook rotates. The chair unit after the chair unit in a state where the chair unit is fixed on the carriage unit is positioned at the entry position. By pushing toward the support position in the bathtub, the linkage mechanism is activated and the lock pin is immersed, and the chair portion and the carriage portion are released, and the chair portion is positioned at the support position. Then, by changing the angle of the footrest, the slide lock bar and the chair fixing hook are engaged to fix the chair portion in the bathtub .

In order to achieve the above object, the invention according to claim 2 is the ratchet according to the above invention, wherein a ratchet gear with teeth cut is attached to the base of the rotating portion of the footrest while the gear can mesh with the chair portion. the pawl is provided, by the ratchet gear is engaged with the ratchet pawl formed by a ratchet mechanism, characterized in that the changeable angle of the footrest bets against the chair unit.

As described above in detail, according to the present invention, since it is a relatively simple structure, it can be easily inserted into a bathtub of a wheelchair and can be operated with very little separation. , It does not take time to fix, lock and release each, and it does not burden the caregiver. Furthermore, there is no need to wait for the care recipient to cool the body. Moreover, since there are few components, there exists an effect that the bathtub system for care which does not require cost can be provided.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, embodiments of the invention will be described in detail with reference to the drawings. FIG. 1 is an overall view showing a nursing bathtub system according to the present invention. A nursing bathtub system 1 according to the present invention comprises a bathtub unit 2 and a chair unit 3. The bathtub unit 2 includes a bathtub 4 and a support base 5, and the bathtub 4 is provided with swing fulcrum shafts 6 and 6 at substantially the center of the left and right side surfaces of the bathtub 4, and the front legs 7 and 7 and the rear legs 8 of the support base 5 are provided. 8 is pivotally attached to bearings 9 and 9 at the upper end of 8. In the bathtub 4, a hydraulic cylinder (not shown) is attached between an external lower surface (not shown) of the bathtub 4 and pipes (not shown) between the rear legs 8 and 8 of the support base 5. The bathtub 4 is swung by the expansion and contraction of the hydraulic cylinder (not shown).

Bathtub guide rails 10 and 10 are provided in the vicinity of both inner side surfaces of the bathtub 4 so that the slide roller 12 and the guide roller 13 of the chair section 11 of the chair unit 3 enter and the chair section 11 is mounted. It has become. A chair fixing hook 14 is fixed so that the chair portion 11 can be fixed to the bathtub 4.

In front of the front legs 7, 7 of the support base 5, a U-shaped connection bumper 15 protrudes. The connection support plates 16 and 16 are welded to the lower front part of the connection bumper 15, and the connection bar 18 is welded between the connection support plates 16 and 16 so that a connection hook 17 of the chair portion 11 described later is hooked. Has been. Further, fixed cams 20 and 20 are welded so that the lock claws 19 and 19 are in contact with the outside of the connection support plates 16 and 16, respectively.

  In FIG. 2, the chair unit 3 includes a carriage part 21 and a chair part 11, and the carriage part 21 and the chair part 11 are separated. The carriage unit 21 is constituted by connecting front and rear frames 22 and 22 and connecting pipes 23 and 24. The frames 22 and 22 have casters 25 and 25 at the lower right side, and wheels 26 and 25 at the lower left side. 26 are respectively attached so that the chair unit 3 can be moved. Guide rails 27, 27 are provided in parallel to the front and rear ends of the upper portion of the carriage unit 21, so that the slide roller 12 and the guide roller 13 on the front and rear sides of the seat frame 28 at the lower part of the chair unit 11 enter. ing.

The front and rear frames 22 and 22 are respectively equipped with lock and release devices 29 and 29 to lock the lock pins 30 and 30 that lock the chair portion 11 and the bathtub unit 2 and the chair unit 3. Connecting hooks 17 and 17 are attached.

The lock and release devices 29 and 29 will be described in detail, but only one side will be described. The upper end portion of the lock pin 30 is engaged with the engagement hole 68 of the chair portion 11 at the upper portion of the carriage portion 21, and the lock pin 30 is rotatable to one side 32 of the rotation link 31 having a substantially triangular lower end portion. It is attached to the shaft. Further, the link rod 33 is connected to the other side 34 of the rotary link 31 and the front end 35 of the connecting hook 17 so as to be pivotally supported. The rotary link 31 is rotatably mounted on a support shaft 37 of the support plate 36, and a spring 39 is attached to a head 38 of the rotary link 31 to perform a toggle operation of the rotary link 31.

Regarding the restriction of the toggle operation of the rotation link 31, the side surface of the head 38 of the rotation link 31 is the stopper 40 in the case of the right rotation direction restriction, and the other side 34 of the rotation link 31 is the restriction in the left rotation direction. The side faces the stopper 40 and restricts the movement of the rotary link 31. The release lever 41 is welded to the other side 34 of the rotary link 31 (only on one side), and the lock pin 30 and the connecting hook 17 can be operated manually by operating the rotary link 31 to the release lever 41. ing.

The connecting hook 17 has a substantially J-shape, and is attached to a stage 43 of the side plate 42 by a shaft 44 so that the connecting hook 17 rotates at an intermediate portion of the connecting hook 17. The connecting hook 17 is provided so as to contact the fixed cam 20 welded to the connecting bumper 15 at the rear end upper portion 45 of the connecting hook 17, and the left and right connecting hooks 17, 17 are connected by a pipe 46. . The gear 47 is welded to the connecting hook 17, rotates together with the connecting hook 17 around the shaft 44, and meshes with the lock claw 19 supported by the shaft 48 on the stage 43 of the side plate 42. The connecting hook 17 rotates freely so that the lock pin 30 is removed and the carriage unit 21 and the chair unit 11 of the chair unit 3 are not separated.

The roller 49 is rotatably supported on the stage 43 of the side plate 42, receives the lower surface of the connecting bumper 15, and prevents the lock claw 19 from being reversed.

  3 and 4, the chair portion 11 of the chair unit 3 will be described. The slide roller 12 and the guide roller 13 can be rotated on the left and right side portions of the seat frame 28 on the seat frame 28 below the chair portion 11. Is mounted via a slide frame 50.

The footrest 51 is adapted to receive the care recipient's foot, and is pivotally attached to the left and right front portions of the seat frame 28 at the lower portion of the chair portion 11 so as to be rotatable. Ratchet gears 53 and 53 are fixed to roll bases 52 and 52 of the footrest 51 by roll pins 54 and 54 so as to rotate together.

Further, on the pivot bases 52, 52 of the footrest 51, a slide lock bar 55 that is hooked on the chair fixing hook 14 of the bathtub 4 has shaft axes 56, 56 of the plates protruding from the pivot bases 52, 52 of the footrest 51. And is pivotally supported so as to be interlocked with the footrest 51.

The ratchet pawls 57 and 57 are assembled integrally with the ratchet slide bar 58, and the ratchet pawl 57 is pulled via the ratchet bar 60 and the ratchet slide bar 58 integrated with the hook release lever 59 by pulling the hook release lever 59. , 57 are disengaged from the ratchet gears 53, 53, and the footrest 51 is lowered. When the hook release lever 59 is released from the hand, the ratchet claws 57 and 57 are locked to the ratchet gears 53 and 53 by the ratchet spring 67. If the footrest 51 is to be raised, the ratchet mechanisms 61 and 61 can be operated and held by lifting the footrest 51 as it is.

  A seat 62 is mounted on the seat frame 28 so that a cared person (not shown) can sit there. A backrest 63 is pivotally mounted on the back of a cared person (not shown) so as to be pivotable to the left and right of the rear part of the seat frame 28 below the chair part 11, and the cared person is lifted by lifting the lock rod 64. The angle of the backrest 63 can be changed to a suitable angle (not shown).

When a caregiver (not shown) bathes a cared person (not shown) in the bathtub 4, the operation arm 65 that is gripped when the chair unit 3 is pushed into the bathtub 4 can be rotated to the left and right of the backrest 63. It is attached like that.

Operation | movement of the bathtub system 1 for nursing care comprised in this way is demonstrated. The caregiver (not shown) moves the chair unit 3 carrying the cared person (not shown) to the front of the bathtub unit 2 and reverses the direction of the chair unit 3 so that the caregiver (not shown) Turn your back to the bathtub unit 2. Next, the operating arm 65 is held and the chair unit 3 is pushed into the entry portion 66 of the bathtub unit 2.

At that time, the roller 49 at the lower part of the carriage unit 21 of the chair unit 3 is inserted into the back while reliably receiving the lower surface of the connecting bumper 18, and proceeds to a place where the fixed cam 20 and the lock claw 19 are in contact with each other. The lock claw 19 in contact with the fixed cam 20 is lifted by the fixed cam 20 as the chair unit 3 moves toward the bathtub 4, and the engagement between the lock claw 19 and the gear 47 is released.

When the chair unit 3 further advances to the bathtub 4 side, the rear end upper portion 45 of the connection hook 17 comes into contact with the fixed cam 20 and is rotated about the shaft 44, and the connection hook 17 holds the connection bar 18. That is, the chair unit 3 is fixed to the bathtub unit 2.

At the same time, the link rod 33 attached to the connecting hook 17 is pushed upward by the rotation of the connecting hook 17, and the rotating link 31 is rotated leftward about the support shaft 37 by the upward movement of the link rod 33. As a result, the lock pin 30 is lowered. Therefore, when the lock pin 30 is lowered, the chair portion 11 and the carriage portion 21 are fixed, and the chair portion 11 becomes movable to the bathtub 4.

When the chair unit 3 is connected to the bathtub 4, the footrest 51 of the chair unit 3 is lifted upward, and the slide roller 12 and the guide roller 13 in the chair portion 11 are inserted into the guide rail 10 of the bathtub 4 by the operation arm 65. The bathtub 4 and the chair part 11 are fixed by pushing down to the back, operating the hook release lever 59 provided in the chair part 11 of the chair unit 3 and lowering the footrest 51 to the inner bottom surface of the bathtub 4, and fixing the chair of the bathtub 4 The slide lock bar 55 is engaged with the hook 14 for use, and the chair portion 11 is fixed to the bathtub 4.

Next, the water pressure cylinder (not shown) is operated in the bathtub 4 so that the bathtub 4 is turned horizontally to put hot water, and the care recipient is bathed. When bathing is completed, drain the hot water, operate the hydraulic cylinder (not shown) in the bathtub 4, rotate it to its original position, and prepare to leave the cared person (not shown) out of the bathtub 4. Do.

The footrest 51 is lifted up, the chair part 11 is pulled out from the back of the bathtub 4 by the operation arm 65, and the chair part 11 is returned to the carriage part 21. Next, the release lever 41 is pushed down and the lock and release devices 29 and 29 are operated to fix the carriage unit 21 and the chair unit 11 and to release the fixation of the chair unit 3 and the bathtub unit 2 at the same time. Finish the caregiver bathing.

The above nursing tub system 1 has the following effects.

That is, the nursing care bathtub system 1 is a nursing care bathtub system 1 in which a care receiver (not shown) is placed on a chair unit 3 having a chair portion 11 detachable from the nursing care bathtub unit 2 and transferred to the bathtub unit 2. The chair unit 3 is fixed to the bathtub unit 2 by simply inserting the chair unit 3 on which a cared person (not shown) is put into the entry portion 66 of the bathtub unit 2 during bathing. Of the chair unit 3 and the chair unit 11 can be released, and when the bathing is completed, the chair unit 11 is pulled out from the back of the bathtub 4 and the release lever 41 of the chair unit 3 is operated to operate the chair unit 3. The chair part 11 is fixed to the carriage part 21, and a lock and release device 29 (required) that can release the fixation between the chair unit 3 and the bathtub unit 2. The fixing operation means in Item 1) is moved into the carriage unit 21 and the chair unit 11 of the chair unit 3 is advanced to the back of the bathtub 4, and a hook release lever 59 provided in the chair unit 11 of the chair unit 3 is The bathtub 4 and the chair part 11 are fixed by operating and lowering the footrest 51 to the inner bottom surface of the bathtub 4, and when the bathing is completed, the bathtub 4 and the chair part 11 of the chair unit 3 are unlocked by lifting the footrest 51. The mechanism which can be made into the chair part 11 can be made into the bathtub system 1 for care which has the chair unit 3 provided in the trolley | bogie part 21 and the chair part 11, respectively.

Moreover, in the nursing bathtub system 1, the lock and release device 29 (fixing operation means in claim 1) is provided in the entry portion 66 of the bathtub unit 2 for fixing or releasing the bathtub unit 2 and the chair unit 3. The connecting bar 18 and the connecting hook 17 provided on the cart unit 21 of the chair unit 3 are used. The method of fixing or releasing the cart unit 21 and the chair unit 11 of the chair unit 3 is the cart unit 21 of the chair unit 3. The connecting hook 17 and the locking pin 30 are connected by the link rod 33 via the rotary link 31 when the lock and release device 29 is entered only by manual operation. In the nursing bathtub system 1 that can be fixed or released reliably by a simple operation because the operation is opposite to the operation of It is possible to bring about the above effect.

Further, in the care bathtub system 1, the lock and release device 29 (fixing operation means in claim 1) is constituted by a link mechanism, so that the above effects can be brought about in the care bathtub system 1.

Further, in the nursing care bathtub system 1, the chair portion 11 of the chair unit 3 is fixed or released (the second fixing mechanism in claim 1) between the bathtub 4 of the bathtub unit 2 and the chair portion 11 of the chair unit 3. A footrest 51 provided on the chair 4 is rotatably mounted, and a slide lock bar 55 that slides by the rotation of the footrest 51 is engaged with the chair fixing hook 14 fixed in the bathtub 4. It is possible to easily fix or release the bathtub 4 of the bathtub unit 2 and the chair part 11 of the chair unit 3 by rotating the footrest 51 provided in the chair part 11 of the chair unit 3. Therefore, the above-described effects can be brought about in the care bathtub system 1.

Still further, in the nursing bathtub system 1, a gear 47 with a tooth cut is attached to the base of the footrest 51, and a ratchet claw 57 that is locked to the gear 47 is provided, so that the angle with the footrest 51 can be changed reliably. In the nursing care bathtub system 1 that can be produced, the above-described effects can be provided.

In addition, in the nursing care bath system 1, care that can securely hold the lock & release device 29 (first fixing mechanism in claim 1) in the fixed & released state using the elastic body 39. The above effect can be brought about in the bathtub system 1.

The present invention is not limited to the above-described embodiment. In the example, the lock and release device 29 is provided on the left and right frames, but only one of them may be provided. Also, it may be oval or concave.
In addition, it cannot be overemphasized that there exists a form which changed the said Example or refined and can implement the meaning of this invention.

It is the whole figure showing the bathtub system for care of the present invention. It is the side view showing the latching cancellation | release state of the trolley | bogie part of a chair unit and a bathtub unit, and the latching state of the trolley | bogie part of a chair unit and a chair part. It is side surface sectional drawing of the chair part of a chair unit. It is a top view (with a partial cross section display) of the chair part of the chair unit in FIG. It is the side view showing the latching state of the trolley | bogie part of a chair unit, and a bathtub unit, and the latching release state of the trolley | bogie part of a chair unit, and a chair part. It is the whole side view showing the time of use (bathing) of the bathtub system for care of the present invention. It is a front view of the trolley | bogie part of a chair unit and a chair part (there is a partial cross section display).

Explanation of symbols

1 Nursing bath system
2 Bathtub unit
3 Chair unit 4 Bath 11 Chair part
14 Chair fixing hook
17 Connecting hook
18 Connecting bar 19 Lock claw
20 Fixed cam
21 trolley
29 Lock & Release Means 30 Lock Pin
31 Rotating link 35 Front end of connecting hook 16
39 Spring
41 Release lever
45 Upper rear end of connecting hook 17
51 footrest
59 Hook release lever
66 Entrance

Claims (2)

And tub for care of the seat part having a guide portion which can guide to a predetermined support position, on a movable carriage portion, said chair portion having a guided portion that can enter the guide portion, the first detachably composed of a mounted the chair unit via a fixing / release mechanism, the bath tub, nursing of the seat part is provided with consolidation possible second fixing / release mechanism at a predetermined support position A bathtub system,
The first fixing / releasing mechanism is provided on the carriage part, and a lock pin that can be projected and retracted by rotation of a rotation link, and a lock pin that is provided on the chair part and that can be engaged with the lock pin in a protruding state. An engaging portion, and the second fixing / releasing mechanism is provided in the bathtub, and is provided with a chair fixing hook capable of fixing the chair portion and an angle changeable on the chair portion. While comprising a footrest and a slide lock bar that is connected to the footrest and is engaged with and disengaged from the chair fixing hook by an angle changing operation of the footrest,
When the chair unit is provided in the bathtub and the chair unit is positioned at a predetermined entry position with respect to the bathtub, the connection bar is in contact with the chair unit, and is provided in the carriage unit, so that the connection bar can contact. , When the chair portion is further pushed from the entry position to the support position side, the connection hook is rotated by being pushed by the connection bar, the connection hook is connected to the rotation link, and the connection hook is rotated with the rotation. Provide a linkage mechanism consisting of a link rod that rotates the rotating link,
After the chair unit in a state where the chair portion is fixed on the carriage portion is positioned at the entry position, the linkage mechanism is operated by pushing the chair portion toward the support position in the bathtub. The lock pin is immersed, the chair portion and the carriage portion are released, and the chair portion is positioned at the support position, and then the footrest is angle-changed to change the slide lock bar. The chair fixing hook is engaged with the chair fixing hook, and the chair portion is fixed in the bathtub. While mounting the ratchet gear cut teeth at the base of the rotating portion of the footrest, said gear to said chair portion provided interlockable ratchet pawl, the ratchet mechanism comprising by meshing the ratchet gear to said ratchet pawl , nursing tub system according to claim 1, characterized in that the changeable angle of the footrest bets against the chair unit.