JP3220370B2 - Door opening / closing bathtub - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door open / close tub which is suitably used for bathing a physically handicapped person or an elderly person.

[0002]

2. Description of the Related Art An ordinary bath tub has a box shape with an open top, and a bather must straddle the side wall to enter the bath tub, and it is difficult for a disabled person or an elderly person to take a bath. . Therefore, a door-openable bathtub has been developed as a bathtub that can be easily bathed by a physically handicapped person or the like.

[0003] A door opening / closing bathtub has a configuration in which an opening is provided in a side wall of the bathtub, and the opening is opened and closed by, for example, a hinged door. In addition, a tank that temporarily transfers and stores hot water in the bathtub is usually attached to the door opening / closing bathtub.

[0004] In order to bathe a physically handicapped person or the like using a door closable tub, the hot water stored in the tub is first transferred to a tank arranged near the bath tub, and when the bath is completed, the door is opened. Open and move the disabled person together with the bathing chair using the opening in the side wall and place it in the bathtub. Then, the door is closed to close the opening in a liquid-tight manner, and the transferred hot water is returned from the tank back into the bath tub, thereby bringing the disabled person or the like into a bathing state. In addition, when taking a bath, contrary to the above, once the hot water in the bathtub is once transferred into the tank, the door is opened, and a person with a physical disability or the like is taken out of the bathtub together with the chair using the opening in the side wall. Move it to.

[0005]

The conventional door-opening / closing tub has the following drawbacks. In other words, bathtubs and tanks need to be cleaned regularly because they need to be kept clean. Conventionally, cleaning is performed manually, but cleaning is relatively easy because the upper part of the bathtub is widely opened.However, the tank is usually formed in a vertically elongated shape extending in the height direction, and the opening area of the upper part is increased. Because it is small, cleaning the inside is very time-consuming.

[0006] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a bath tub that can automatically clean the inside of a tank.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a door opening / closing bathtub main body and a tank for temporarily storing hot water in the door opening / closing bathtub main body. In a door opening / closing bathtub, a plurality of cleaning nozzles for cleaning the inner peripheral surface of the tank are provided in the tank by a ball jig.
Leaks into the tank's inner and bottom inner surfaces
And connected to the plurality of cleaning nozzles.
The solenoid valve provided on the hot water supply pipe
When the switch is turned on, it opens
When a predetermined time has passed since the start of the
To be closed . Invention of claim 2
In, characterized in that a bubble generating machine for cleaning the tank circumferential surface at the bottom of the tank. The invention according to claim 3 is characterized in that a cleaning liquid injection means for injecting a cleaning liquid into the tank is provided.

Since the cleaning nozzle or the bubble generating plate is provided in the tank, the tank is automatically cleaned by spraying water from the cleaning nozzle or generating bubbles from the bubble generating plate when necessary. it can.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. <First Embodiment> FIGS. 1 to 3 show a first embodiment of the present invention. FIG. 1 is a cross-sectional view schematically showing a door opening / closing bathtub, and FIG. 2 is a filter and piping connected thereto. FIG. 4 is a diagram showing a connection state of FIG.

As shown in FIG. 1, a door opening / closing bathtub 1 shown here has a door 2 opened, and a door 2 is placed at a predetermined position inside a bathtub main body 3 while a bather is placed on a wheelchair. Close,
By filling the bathtub main body 3 with hot water previously stored in the tank 4, the bather is brought into a bathing state.
A switching mechanism such as a pump and a three-way valve for flowing hot water from the bathtub body 3 to the tank 4 or vice versa from the tank 4 to the bathtub body 3 is interposed in the pipe connecting the bathtub body 3 and the tank 4. (Both not shown).

A hot water supply pipe 10 and a water supply pipe 11 are connected to the door opening / closing bathtub 1.
1 is branched on the way, and divided into a bathtub and a shower. The hot water supply pipe 10a and the water supply pipe 11a for the bathtub are connected to the hot water supply pipe via the mixing valve 12, and the hot water supply pipe is further branched and divided into a bathtub body and a tank.
The branch hot water supply pipe 13a for the bathtub body is connected to the hot water supply port 15 via the gate valve 14, and the branch hot water supply pipe 13b for the tank is connected to the nozzle 17 via the electromagnetic valve 16. On the other hand, a hot water supply pipe 10b for shower and a water supply pipe 11b are connected to a hot water supply pipe 20 via a mixing valve 19, and the hot water supply pipe 20 is connected to a shower head 2 via an electric ball valve 21.
2, 22. Branch hot water supply pipe 1 for the tank
3b, as shown in FIGS. 2 and 3, pipes are formed in a substantially rectangular shape at the upper part of the tank 4, and the nozzle 17 is connected to a substantially central portion of each side of the rectangular pipes. Four nozzles 17 are arranged. The nozzle 17 is attached via a ball joint to a bracket 23 attached to the wall of the tank 4 as shown in FIG.
The angle is adjusted in advance so that the inner peripheral surface and the inner surface of the bottom can be contacted without leakage. The nozzle 17
Is used not only for cleaning the inside of the tank 4 but also for filling hot water in the tank. That is, the nozzle 17 is used for both cleaning and hot water filling.

The solenoid valve 16 interposed in the branch hot water supply pipe 13b for the tank is opened and closed by a signal from a control device 24. The solenoid valve 16 is opened when the hot water is stored in the tank 4 at the initial stage of bathing, and when the hot water in the bathtub body 3 is transferred into the tank 4, the level of the hot water is detected by the liquid level sensor 25. There are three cases: when the detection position has not been reached, and when a tank cleaning switch (not shown) (not shown) is turned on. When the tank cleaning switch is turned on, the timer is started at the same time, and when a predetermined time, for example, 15 minutes has elapsed, the timer is activated and the solenoid valve 1 is turned on.
6 is "closed". The cleaning liquid supply means 26 is connected to the nozzle 17, and while the tank cleaning switch is turned on and the electromagnetic valve 16 is switched to "open", the cleaning liquid is supplied from the cleaning liquid supply means 26 to the nozzle 17. Is supplied. In FIG. 1, reference numeral 27 indicates a check valve, and reference numeral 28 indicates a thermometer.

Next, the operation of the above-described door opening / closing bathtub will be described. When cleaning the inside of the tank 4 after bathing, a tank cleaning switch (not shown) is turned on. Then, a signal is issued from the control device 24, the electromagnetic valve 16 is switched to “open”, and hot water is jetted from each nozzle 17 attached to the upper part of the tank 4. The hot water sprayed from the nozzle 17 hits all over the inner peripheral surface and the bottom surface of the tank 4 to wash away dust such as hair and dirt attached to the inner peripheral surface and the bottom surface of the tank 4. In addition, while the inside of the tank 4 is being washed by injection of hot water from the nozzle 17,
Since the cleaning liquid is supplied from the cleaning liquid supply means 26, dust containing oil adhering to the inner peripheral surface of the tank or the like can be washed away. Then, after a lapse of a predetermined time (15 minutes), a timer (not shown) is operated to switch the electromagnetic valve 16 to “closed” and to stop supplying the cleaning liquid from the cleaning liquid supply means 26 to the nozzle 17.

<Second Embodiment> FIGS. 4 to 6 show a second embodiment of the present invention. The second embodiment is characterized in that a bubble generator 30 is used for cleaning the tank 4. That is, as shown in FIG. 4, a blower 31 which is turned on / off by a signal from the control device 24 is incorporated in the door opening / closing bathtub, and an air passage 32 extending from the blower 31 is bifurcated through a switching valve 32a. Divided into One of the air branch passages 33a is connected to an air bubble generating plate 34 provided in the bathtub body 3, and the other air branch passage 33b is guided into the tank 4 and is provided at the bottom of the tank 4. It is connected to the generator board 30. Bubble generator 30 on the tank side
Is not for imparting a massage effect to the human body, but for cleaning the inner peripheral surface of the tank 4. Here, as shown in FIG. ing. The bubble generating board 30 is formed with a number of small holes 36 near the outer peripheral portion of the front plate 30a so as to generate relatively small bubbles near the inner peripheral surface of the tank 4.

In the above-described door opening / closing bath tub, when a tank cleaning switch (not shown) is turned on while the tank 4 is filled with hot water after bathing, a signal is issued from the control device 24 and the blower 31 is turned on. Upon starting, the switching valve is switched. Then, the air sent from the blower 31 is guided to the tank side via the air branch passage 33b and sent to the bubble generating board 30 in the tank. Then, bubbles are generated from the bubble generating board 30 to clean the inside of the tank 4. Then, after a lapse of a predetermined time (for example, 15 minutes), a timer (not shown) is operated, a signal is issued from the control device 24, the blower 31 is stopped, and the switching valve 32a is in the initial state, that is, the blower 31 The air is switched so that the supplied air flows into the bathtub body 3.

Although the cleaning liquid supply means is not provided in the above-described second embodiment, the cleaning liquid supply means may be provided in the hot water supply pipe of the tank as in the first embodiment. .

[0017]

As described above, according to the present invention, the following excellent effects can be obtained. According to the invention described in claim 1,
A cleaning nozzle for cleaning the inner peripheral surface of the tank is provided in the tank, so the inner peripheral surface of the tank can be automatically cleaned simply by spraying hot water or the like from the nozzle, and the cleaning is performed manually. Compared to the case, the working time can be shortened and the cost can be significantly reduced. According to the second aspect of the present invention, since the bubble generating plate for cleaning the inner peripheral surface of the tank is provided at the bottom of the tank, the inner peripheral surface of the tank is automatically adjusted similarly to the first aspect of the invention. According to the third aspect of the invention, which can be cleaned, the cleaning liquid injection means for injecting the cleaning liquid into the tank is provided, so that the cleaning effect can be further enhanced.

[Brief description of the drawings]

FIG. 1 is a side sectional view schematically showing a door opening / closing bathtub according to a first embodiment of the present invention.

FIGS. 2A and 2B show a tank of the openable / closable bathtub, wherein FIG. 2A is a partial plan view and FIG.

FIG. 3 is a detailed view of a nozzle for cleaning the tank of the openable tub.

FIG. 4 is a side sectional view schematically showing a door opening / closing bathtub according to a second embodiment of the present invention.

FIG. 5 is a bottom view of the tank in the openable tub.

FIG. 6 is a cross-sectional view of a lower portion of the tank of the openable tub.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door opening / closing bathtub 3 Door opening / closing bathtub main body 10 Hot water supply pipe 11 Water supply pipe 17 Nozzle 26 Cleaning liquid supply means 30 Air bubble generation board 31 Blower

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61H 33/00 A47K 3/00

Claims (3)

(57) [Claims] 1. A door-opening / closing tub comprising a door-closing tub body (3) and a tank (4) for temporarily storing hot water in the door-closing tub body, wherein a tank inner peripheral surface is provided in the tank. A plurality of washing nozzles (17) for washing the tank through a ball joint.
So that it can contact the inner peripheral surface of the
The water supply pipe connected to the plurality of cleaning nozzles.
That the tank cleaning switch is turned on.
To open, and the timer starts at the same time
A door opening / closing bath tub characterized in that the timer is activated and "closed" at a point in time after the passage. 2. The open / close tub according to claim 1, further comprising an air bubble generating plate (30) for cleaning an inner peripheral surface of the tank at the bottom of the tank. 3. A cleaning liquid injecting means (2) for injecting a cleaning liquid into the tank in the bath tub according to claim 1 or 2.
(6) A door closable bathtub characterized by the provision of (6).