JP2003070870A - Bathing helping lift and unit bath with bathing helping lift - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bathing helping lift which can be installed with a reduced space as much as possible and fixed on the wall firmly without imparting no oppressive feeling to a bath-taking person even in a small unit bath, and to provide a unit bath. SOLUTION: Guide rails are attached on both corners of right and left which face a bathtub and a washing place respectively in a bathroom. Sprockets are arranged on the upper and lower ends of both the guide rails and an endless chain or an endless belt is stretched across the guide rails. Two upper and lower horizontal axes parallel to the chain or the belt of right and left are suspended and a seat sliding right and left between the bathtub and the washing place is installed. The sprockets of right and left on the upper end are connected by a rotary shaft and the seat is moved vertically together with the axes by rotatively driving the shaft by a motor.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathing assistance lift and a bathing assistance for raising a seat on which a person taking a bath sits, horizontally sliding the seat over the edge of the bathtub, and lowering the seat into the bathtub. The present invention relates to a unit bath incorporating a lift.

[0002]

2. Description of the Related Art Conventionally, in a bathing auxiliary lift, a column-shaped lifting device is erected at a proper place in a bathroom, and an arm with a seat for a bather is hung horizontally from the upper end of the lifting device. There is a device that rotates and lowers it to a washing place and a bathtub.
There is also a device in which two left and right slide rails are fixed to the wall surface facing the bathroom and the washing room, and an elevating device is attached to the rails so that the elevating device can slide left and right, and a seat for a bather is connected to the elevating device.

However, the former device is difficult to fix when the columnar lifting device is installed upright in the bathroom. Especially, in the case of a unit bath, the ceiling part is weak in strength and the upper end part of the device is fixed by being stretched on the surrounding wall surface. There are many ways to do it. In the latter device, the rails are fixed to the wall, so the above problem can be solved, but in the narrow type unit bath, even if the seat is foldable, the thickness of the lifting device and the thickness of the seat overlap and the bathing aid is not used. In some cases, there is a problem of being very oppressive.

[0004]

DISCLOSURE OF THE INVENTION The present invention provides a bathing auxiliary lift and a unit bath which can be installed in a small unit bath in a space-saving manner as much as possible and can be firmly attached to a wall surface without giving the bather a feeling of pressure. thing.

[0005]

In order to solve the above-mentioned problems, the invention of claim 1 attaches guide rails to the left and right corners of the wall surface facing the bathtub and the washing room in the bathroom, and the upper portions of both guide rails are attached. And place a sprocket on the lower part and stretch an endless chain or endless belt, and hang two horizontal upper and lower horizontal shafts on the left and right endless chains or endless belts, and slide the horizontal axis between the bathtub and the washing room left and right. The seat was equipped with a seat, the left and right sprockets were connected with a rotating shaft, and the shaft was rotated by a motor to provide a bathing auxiliary lift that moves the seat up and down along with the horizontal shaft.

With this structure, the lifting drive unit and the guide rail can be arranged at the corners of the wall surface, the ceiling or the ceiling, and the bathroom feels narrow even when taking a bath without using the bathing auxiliary lift. This can be suppressed as much as possible. Further, since it can be fixed to the two corners of the wall surface, it can be firmly fixed even to the wall surface of the unit bath which is not strong.

According to the second aspect of the present invention, the limit switches that allow the seat to be lowered only when the seat is located at the predetermined bathtub position and the washing position are arranged on the left and right of the horizontal axis. It is possible to prevent the problem that the bather falls off the seat by hitting the edge of the bathtub.

According to the third aspect of the present invention, the upper and lower limits of the vertical movement are set such that the bottom of the seat is slightly higher than the edge of the bathtub, and the lower limit of the vertical movement is that the bottom of the seat is slightly above the bottom of the bath and the bottom of the seat is the position at the washroom. A limit switch is placed on the guide rail so that the bottom surface is slightly above the washing scene. With this setting, the person sitting in the seat does not feel anxiety even if the person rises, and the person sitting in the seat does not receive an impact when the bottom of the seat hits the bathtub or the bottom wall of the washroom.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a view showing a state in which the bathing auxiliary lift of the present invention is installed in the bathroom of a unit bath. The guide rails 1 are attached to the left and right corners of the wall surface A facing the bathtub Y of the unit bath and the washing place S, respectively, and the sprocket 2 is arranged above and below the both guide rails 1 and 1, and the endless chain 3 is stretched, The horizontal left and right horizontal chains 4, 4 are crossed over the left and right endless chains 3, and the horizontal axes 4, 4
A seat 5 that slides left and right between the bathtub Y and the washroom S is attached via a seat support portion 6, and the left and right sprocket 2, 2 on the upper side are connected by a rotary shaft 7 and are rotationally driven by a motor 8, thereby a horizontal shaft 4, 4 is a bathing auxiliary lift which moves a person sitting on a seat 5 together with 4 up and down and manually slides it to the left and right.

The right limit switch 42 is provided on the horizontal axis 4.
And a left limit switch 43, and an upper limit switch 16, a first lower limit switch 17, and a second lower limit switch 18 are installed on the right guide rail 1.

FIG. 2 is a vertical sectional view of the bathing auxiliary lift portion. The sprocket 2 is arranged above and below the guide rail 1 attached to the corner of the wall surface A of the unit bath, and the endless chain 3 is stretched, and the horizontal shafts 4, 4 are attached to the endless chain 3 at appropriate positions through the slide fittings 12. Is attached horizontally and vertically, and the seat 5 is attached to the horizontal axis via the seat support portion 6.
The seats are moved up and down by connecting the upper left and right sprockets 2 with a rotary shaft and driving them by a motor 8. The seats can be folded. (Not shown)

FIG. 3 is a sectional view showing a portion of the guide rail 1 attached to the corners of the wall surfaces A and C with bolts. The guide shoe 11 is attached to the front and rear of the guide rail 1, the thin shaft 41 is extended from the end of the horizontal shaft 4, and the slide metal fitting 12 attached to the tip thereof is arranged between the guide shoes 11. One of the endless chains 3 is fixed to. A cover material 1 is provided in the opening of the guide rail 1.
3 and 14 are attached, and rubber covers 15 are provided on the cover members 13 and 14, respectively, to prevent water and water vapor from entering the guide rail 1. Further, upper and lower limit switches 16, 17, and 18 are provided at appropriate places above and below the guide rail 1 to set upper and lower limits of the seat.

FIG. 4 is a diagram showing a moving state of the seat 5. The vertical movement is driven by a motor, and the left and right slides are manually moved. When the seat 5 is in the N position, the upper limit switch 16 and the first lower limit switch 17 are activated by the right limit switch 42 operating, and the seat bottom moves up and down between the upper limit H1 and the first lower limit H2. Is possible.

Further, when the seat 5 is in the M position, the upper limit switch 16 and the second lower limit switch 18 are activated by the left limit switch 43 being activated, and the seat bottom surface from the upper limit H1 to the second lower limit H3. It is possible to move up and down in between. When the seat is not in the M or N position, the left limit switch 43 and the right limit switch 42 do not work and the seat cannot be moved downward.

[0015]

By arranging the guide rails at the corners of the wall surface, it is possible to minimize the feeling that the bathroom is narrow even with a small unit bath. In addition, the motor drive unit can be placed behind the ceiling to make the bathroom more spacious, and the folding seats make it as unobtrusive as possible even when taking a bath without using a bathing auxiliary lift.
Since the guide rail can be fixed to the two corners of the wall surface, it can be firmly fixed even to the wall surface of the unit bath, which is not strong.

Limit switches, which allow the seat to move down only when the seat is located at the predetermined bathtub position and washroom position, are arranged on the left and right of the horizontal axis. You can prevent problems such as falling from the seat. Since the upper limit of the seat is set to the minimum height beyond the edge of the bathtub, the person sitting in the seat does not feel anxiety even if it rises, and when descending, the lower limit position is set so that the bottom of the seat is in the bathtub or washroom. The person sitting on the seat against the bottom wall is not shocked.

[Brief description of drawings]

FIG. 1 is a drawing showing a state in which a bathing auxiliary lift of the present invention is installed in a bathroom.

FIG. 2 is a vertical sectional view of a bathing auxiliary lift section.

FIG. 3 is a sectional view showing a guide rail portion.

FIG. 4 is a diagram showing a moving state of a seat 5.

[Explanation of symbols]

Y ... tub S ... washing place 1 ... Guide rail 3 ... Endless chain 4 ... Horizontal axis 5 ... seat 6 ... Seat support

Claims (3)

[Claims] 1. A guide rail is attached to each of the left and right corners of a bathtub in a bathroom and a wall surface facing a washing room, sprockets are arranged above and below the guide rails, and an endless chain or an endless belt is stretched. Two horizontal horizontal shafts are placed around the left and right endless chains or endless belts, and a seat that slides left and right between the bathtub and the washroom is attached to the horizontal shaft, and the left and right sprockets at the upper end are connected by a rotating shaft. A bath with an auxiliary bath and a bath with an auxiliary lift that moves the seat up and down along with the horizontal axis by rotating the motor with a motor. 2. A bathing auxiliary lift according to claim 1, further comprising limit switches arranged on the left and right of the horizontal axis so that the seat can be lowered only when the seat is located at a predetermined bathtub position and washroom position. And a unit bath with bathing lift. 3. The upper limit of vertical movement is set so that the bottom of the seat is slightly higher than the edge of the bathtub, and the lower limit is when the seat is in the bathtub position, the bottom of the seat is slightly above the bottom of the bathtub, and when the seat is in the washroom position, the bottom of the seat is more than the washing scene. 3. A bathing auxiliary lift and a unit bath with a bathing auxiliary lift according to claim 1, wherein a limit switch is arranged on the guide rail so as to be slightly above.