JP5074277B2 - Bathing care seat - Google Patents

Description

  The present invention relates to a bathing care seat, and more particularly to a manually operated bathing care seat, and more particularly to a bathing care seat used in a bathtub or in hot water.

  Some bathing care assisting devices use an electric motor or a hydraulic cylinder as a drive source. However, since the bathing care assisting device is installed in a bathhouse, an electric motor or hydraulic shilling is likely to cause a failure.

  Therefore, in Patent Documents 1 to 6, the present applicant reduces a necessary operation force by using a spring force as an operation assisting force, and a bathing care assisting device that can be easily operated by a bather or a caregiver. is suggesting. According to these bathing care assisting devices, the bather can be immersed in hot water by lowering the seat into the bathtub while the bather is seated on the seat.

JP 2007-130224 A JP-A-2005-118105 JP 2004-73333 A JP 2002-301129 A JP 2001-17507 A JP 2001-161780 A

  When the seat is raised and lowered, the bather is more stable in an upright posture. However, when the bather's back is upright in the hot water, it may be difficult for the bather to fully bathe in the hot water depending on the shape of the bath. Further, during bathing, the bather can be more relaxed in a posture in which the back rests and leans backward than in a posture in which the back is upright.

  An object of the present invention is to provide a bathing care seat that has a simple configuration and that allows a bather sitting on the seat to be sufficiently immersed in hot water.

In the first aspect, the present invention provides a base, a backrest provided with a backrest disposed in front of the base and serving as a backrest of the bather, and disposed in front of the backrest and seated by the bather. A seat for bathing care, the first link mechanism swingably connected between the base and the backrest, and disposed below the first link mechanism, have a, and stretching and rocking the second link mechanism that is freely connected, a third link mechanism connecting the seat swingably to the back part between the base and the back support portion The first link mechanism includes a first arm swingably connected to the base and the backrest portion, and the second link mechanism is swingably connected to the base. A second arm, the second arm and the backrest A third arm that is swingably connected, and the third link mechanism includes a fourth arm that is fixed to the backrest and swingably connected to the seat. providing bathing care seat, characterized in that it comprises.

  In the second aspect, the present invention provides a base, a backrest portion provided in front of the base and provided with a backrest that serves as a backrest of the bather, and disposed in front of the backrest portion so that the bather can freely sit. A seat for bathing care, the first link mechanism swingably connected between the base and the backrest, and disposed below the first link mechanism, A second link mechanism that is swingably connected between the base and the backrest portion; and a third link mechanism that swingably connects the seat to the backrest portion. The distance between the node of the first link mechanism with respect to the base and the node with respect to the backrest portion is increased with respect to the distance between the node of the second link mechanism with respect to the base and the node with respect to the backrest portion. , The second link mechanism is A swingably connected to provide a bathing care seat having a single arm connected pivotably and sliding in the back part.

  According to the first aspect of the present invention, the upper portion of the base and the backrest portion is connected via the first link mechanism so as to be swingable, and the lower portion of the base and the backrest portion is extendable and swingable. By connecting via the link mechanism, the distance between the node with respect to the base of the second link mechanism and the node with respect to the backrest portion of the second link mechanism can be varied. As a result, when the bather is immersed in the hot water, the first and second link mechanisms are swung and the second link mechanism is extended, so that the upper part of the backrest is inclined rearward and the front of the backrest Or the seat can be pushed forward. The same applies to the bathing care seat according to the second aspect of the present invention.

Further, according to the first aspect of the present invention, by connecting the back rest and the seat via the third link mechanism so as to be relatively swingable, the seat can be moved even if the back rest is inclined. The seat swings with respect to the backrest, and the state where the seat is parallel to the bottom surface of the bathtub is maintained.
In the first aspect of the present invention, the first link mechanism includes a first arm swingably connected to the base and the backrest portion, and the second link mechanism includes: A third arm that is swingably connected to the base; and a third arm that is swingably connected to the second arm and the backrest portion. Includes a fourth arm fixed to the backrest and swingably connected to the seat. According to this embodiment, the link mechanism can be made simple and robust. In the second link mechanism of this embodiment, the second arm and the third arm are opened and closed, so that the node with respect to the base of the second arm and the node with respect to the backrest portion of the third arm And the second link mechanism expands and contracts.

  As described above, according to the present invention, a predetermined link mechanism having a simple configuration that can be easily operated manually allows a bather sitting on the seat to be manually operated without depending on a special drive source such as electricity or hydraulic pressure. You can immerse yourself in hot water in a relaxed posture.

  The bathing care seat according to a preferred embodiment of the present invention includes front and rear seat rollers which are provided at the bottom of the seat and are slidable on the bottom of the bathtub. According to this aspect, when the first and second link mechanisms are operated and the backrest is tilted backward, the seat can be smoothly moved forward along the bottom surface of the bathtub.

  A bathing care seat according to a preferred embodiment of the present invention includes: a first lock mechanism that releasably locks a shaft connecting the first arm to the backrest portion to the base; and the rear seat roller. A second locking mechanism that releasably locks to the base. According to this embodiment, when raising and lowering the bathing care seat, the backrest portion and the seat can be reliably locked with respect to the base, so that safety is improved.

  In a preferred embodiment of the present invention, the base is movable up and down from the upper part of the bathtub to a predetermined position, and a first base swingable at the predetermined position, and from the upper part of the bathtub to the predetermined position. The first base is moved up and down integrally with the first base, and is swingable together with the first base below the predetermined position, and separated from the first base below the predetermined position. And a second base that can be moved up and down. According to this aspect, when the bathing care seat is moved up and down by dividing the base, the lifting stroke can be extended. Further, according to this embodiment, by dividing the base and making it swingable with respect to each other, it becomes easy to raise and lower the seat along the inclined inner wall of the bathtub, and the backrest is further inclined. be able to. More preferably, the bathing care seat has an outer roller for guiding the first base along the inner wall of the bathtub, and an inner roller for guiding the second base along the first base.

  In a preferred embodiment of the present invention, the base is suspended by a line such as a wire, a chain or a belt, and can be raised and lowered.

  In a preferred embodiment of the present invention, with respect to the distance between the node of the first link mechanism with respect to the base and the node with respect to the backrest portion, the node of the second link mechanism with respect to the base and the backrest The distance between nodes to the part is long.

  An embodiment of the present invention will be described below with reference to the drawings. 1A to 1C are three views of a bathing care seat according to an embodiment of the present invention. FIG. 2 is an enlarged view of FIG. FIG. 3 is an operation diagram of FIG.

  1 to 3, a bathing care seat according to an embodiment of the present invention includes a base 1 and a backrest portion 3 including a backrest 2 disposed in front of the base 1 and serving as a backrest of a bather. A bathing care seat having a seat 4 disposed in front of the back rest and freely seated by the bather, wherein the seat 1 is swingably connected between the base 1 and the back rest 3. The second link mechanism 6 disposed below the first link mechanism 5 and connected between the base 1 and the backrest portion 3 so as to be extendable and swingable, and the seat 4 and the backrest. And a third link mechanism 7 that is swingably connected between the portions 3.

  The first link mechanism 5 includes a first arm 8 that is swingably connected to the base 1 and the backrest 3 via pins 19 and 20. The pin 19 is loosely fitted in a long hole 18 formed in the first arm 8. The second link mechanism 6 includes a second arm 9 that is swingably connected to the base 1 via a pin 21, and a second arm 9 and a backrest portion 3 via pins 22 and 23. And a third arm 10 that is swingably connected. The third link mechanism 7 includes a fourth arm 11 that is fixed to the backrest 3 and is swingably connected to the seat 4 via a pin 32.

  Front and rear seat rollers 12 and 13 slidable on the bottom of the bathtub are provided at the bottom of the seat 4.

  The bathing care seat further includes a first locking mechanism 16, 20 that releasably locks a shaft connecting the first arm 8 to the backrest portion 3, that is, the pin 20 to the upper hook portion 16 of the base 1. And the rear sheet roller 13, in particular, second locking mechanisms 17 and 24 for releasably locking the rotation shaft 24 to the lower hook portion 17 of the base 1. The upper and lower hook portions 16 and 17 are formed in a step shape, and in an initial state, the pin 20 and the rotating shaft 24 are releasably locked.

  In particular, referring to FIG. 1 (B), the first lock mechanisms 16 and 20 are operated by an upper operation rod 29 attached to the pin 20 or the arm 8. The second lock mechanisms 17 and 24 are operated by the lower operation rod 30 attached to the second arm 9.

  In particular, referring to FIG. 2, the base 1 is movable up and down from the upper part of the bathtub to a predetermined position, and the first base 1 a swingable at the predetermined position, and from the upper part of the bathtub to the predetermined position. The first base 1a can be moved up and down integrally, can swing with the first base 1a below the predetermined position, and can be separated from the first base 1a below the predetermined position. And a second base 1b that is movable up and down.

  The 2nd base 1b is suspended by the raising / lowering apparatus 50 so that raising / lowering is possible via a wire etc. which are not shown in figure. Above the predetermined position, the first base 1a is locked to the second base 1b and moves up and down integrally, and is locked to the stationary portion of the lifting device 50 at the predetermined position. It becomes separable from 1b. For example, the first base 1a is locked to the stationary portion via a roller (not shown) so that both the first and second bases 1a and 1b can swing freely below the predetermined position. Become.

  The operation of the bathing care seat described above will be described. FIG. 4 is an operation diagram of the bathing care seat according to one embodiment of the present invention. FIG. 5 is an operation diagram of the bathing care seat according to one embodiment of the present invention, continued from FIG. 4. FIG. 6 is an operation diagram of the bathing care seat according to the embodiment of the present invention continued from FIG.

  Referring to FIG. 4, when a caregiver bathes a bather seated on a bathing care seat according to an embodiment of the present invention, the caregiver takes the first lock mechanism 16, 20 and the second lock mechanism 17. , 24 is confirmed to be in a locked state, and the lifting device 50 is operated so that the seat 4 and the like suspended from the lifting device 50 via a wire (not shown) in a state where the backrest 2 is upright. The bather and the seat 4 are immersed in the hot water. During the descent, at the predetermined position, the first base 1a stops and separates from the second base 1b, and the second base 1b continues to descend. Although not clearly shown in FIG. 4, as shown in FIG. 3, the outer rail roller 26 slides against the inner wall of the bathtub while the base 1 is lowered below the predetermined position. The second bases 1a and 1b swing together, and the backrest 2 is inclined rearward.

  When the front and rear seat rollers 12 and 13 land on the bottom of the bathtub, the caregiver pushes the lower operation rod 30 shown in FIG. 1 (B) forward to remove the rotating shaft 24 from the lower hook portion 17, and then By lifting the operating rod 29 and displacing the first arm 8 upward, the pin 20 is removed from the upper hook portion 16, and the first and second link mechanisms 5 and 6, and further the third link mechanism. 7 is made operable.

  Referring to FIG. 5, when the caregiver pushes the lower operation rod 30 forward, the first arm 8 of the first link mechanism 5 and the second and third arms 9, 10 of the second link mechanism 6. And the fourth arm 11 of the third link mechanism 7 swings. At the same time, in the second link mechanism 6, the second and third arms 9, 10 are changed from the closed state to the opened state, and the node of the second arm 9 with respect to the base 1 and the third arm 10 are The distance between the nodes relative to the backrest 3, that is, the distance between the pins 21, 23 is variable, and the second link mechanism 6 extends. Thereby, the upper part of the backrest 2 is inclined backward, and the front part of the backrest 2 or the seat 4 is pushed forward.

  At this time, since the seat 4 is connected to the backrest portion 3 via the swingable third link mechanism 7, even if the backrest portion 3 is inclined, the seat 4 is in contact with the backrest portion 3. Thus, the seat 4 is maintained in a state parallel to the bottom surface of the bathtub, and the seat 4 advances smoothly while the front and rear seat rollers 12 and 13 rotate on the bottom surface of the bathtub.

  Referring to FIG. 6, in this way, the bather can fully immerse his / her shoulder in the hot water in a posture leaning backward by the backrest 2 inclined backward. The end point of the longitudinal stroke of the seat 4 can be set, for example, by a stopper (not shown) that acts on one of the arms 8 to 10 of the first or second link mechanism 5 or 6.

  The node (pin 21) with respect to the base 1 of the second link mechanism 6 with respect to the distance R1 between the node (pin 19) with respect to the base 1 of the first link mechanism 5 and the node (pin 20) with respect to the backrest 3. And the distance R2 between the nodes (pins 23) with respect to the back rest 3 is set to be long, and the back rest 2 can be brought down sufficiently. Further, the angle R3 between the backrest 3 and the seat is set according to the distances R1, R2 and the positions of the nodes, for example, from the right angle state shown in FIG. 4 to the range of about 120 degrees shown in FIG. The In the accommodated state, the seat 4 may be folded and close to the backrest 3.

  When the bather goes up from the bathtub, the operation opposite to the operation described above is executed.

  FIG. 7 is a skeleton diagram of a main part of a bathing care seat according to another embodiment of the present invention. In the following description of the present embodiment, differences between the present embodiment and the present embodiment will be mainly described, and the embodiment will be referred to for similar configurations and operations. Referring to FIG. 7, the second link mechanism 6 is connected to the base 1 so as to be swingable, and is connected to the backrest portion 3 so as to be swingable and slidable (second arm). 33. One end of one arm 33 is slidably connected to the base 1 via a pin 21, and the other end is formed in the pin 23 and the backrest 3 so that the pin 23 is slidably engaged. Through the hole 3a, it is connected to the backrest 3 so as to be swingable and slidable. In the case of a single arm 33, one node may slide.

  Since the bathing care seat according to the present invention does not require a special power source and can be operated manually, it is preferably applied to an existing bathroom, for example, a bathroom in a general household. In addition, the bathing care seat of the present invention can be manufactured at low cost, is easy to operate, and reduces the burden on the caregiver. Therefore, the bathing care seat is preferably applied to a care facility.

(A)-(C) are three views of the bathing care seat which concerns on one Example of this invention. It is an enlarged view of FIG.1 (C). FIG. 3 is an operation diagram of FIG. 2. It is an operation | movement figure of the bathing care seat which concerns on one Example of this invention. FIG. 5 is an operation diagram of the bathing care seat according to the embodiment of the present invention continued from FIG. 4. FIG. 6 is an operation diagram of the bathing care seat according to the embodiment of the present invention continued from FIG. 5. It is a principal part skeleton figure of the bathing care seat which concerns on the other Example of this invention.

Explanation of symbols

1 Base 1a First base (outer rail of lifting platform)
1b Second base (inner rail of lifting platform)
DESCRIPTION OF SYMBOLS 2 Back support 3 Back support part 3a Elongate hole 4 Seat 5 1st link mechanism 6 2nd link mechanism 7 3rd link mechanism 8 1st arm 9 2nd arm 10 3rd arm 11 4th arm 12, 13 Front and rear sheet rollers 16 Upper hook portion 17 Lower hook portion 18 Long hole 19 Pin 20 Pin 21 Pin 22 Pin 23 Pin 24 Rear shaft roller rotation shaft 26 Outer rail roller 27 Inner rail upper roller 28 Inner rail lower roller 29 Upper operation rod 30 Lower operation rod 32 Pin 33 One arm (second arm)
50 Lifting device (16, 20) First lock mechanism (17, 24) Second lock mechanism R1 Distance between nodes R2 of first link mechanism R3 Distance between nodes R3 of second link mechanism angle

Claims (5)

A bathing care seat comprising: a base; a backrest provided with a backrest disposed in front of the base and serving as a backrest of the bather; and a seat disposed in front of the backrest and seated by the bather. Because
A first link mechanism swingably connected between the base and the backrest portion;
A second link mechanism disposed below the first link mechanism and connected to the base and the backrest portion so as to be extendable and swingable;
A third link mechanism for swingably connecting the seat to the backrest portion;
Have
The first link mechanism includes a first arm swingably connected to the base and the backrest portion, respectively.
The second link mechanism includes: a second arm swingably connected to the base; and a third arm swingably connected to the second arm and the backrest portion. Prepared,
The third link mechanism includes a fourth arm that is fixed to the backrest and is swingably connected to the seat.
It shall be the feature input bath care for the seat that. Wherein each provided at the bottom of the seat, it can freely slide on the tub bottom, bathing care seat according to claim 1 Symbol placement and having front and rear sheet roller. A first locking mechanism for releasably locking a shaft connecting the first arm to the backrest portion to the base;
A second locking mechanism for releasably locking the rear sheet roller to the base;
The bathing care seat according to claim 2, comprising: The base is
A first base that can be raised and lowered from above the bathtub to a predetermined position and swingable at the predetermined position;
From the upper part of the bathtub to the predetermined position, it moves up and down integrally with the first base, is swingable with the first base below the predetermined position, and below the predetermined position, A second base that can be moved up and down separately from the first base;
The bathing care seat according to any one of claims 1 to 3 , further comprising: The distance between the node of the first link mechanism with respect to the base and the node with respect to the back rest portion is longer than the distance between the node of the second link mechanism with respect to the base and the node with respect to the back rest portion. The seat for bathing care according to any one of claims 1 to 4 .

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