JP6195736B2 - Bathing device for care - Google Patents

Description

  The present invention relates to a bathing apparatus for nursing care where an elderly person or a person who needs nursing care takes a bath.

  2. Description of the Related Art Conventionally, a bathing apparatus for care different from a normal bathtub has been used in order for an elderly person or a person who needs care to take a bath. As an example of this nursing bathing apparatus, there is one as disclosed in Patent Document 1, for example.

  In the bathing apparatus for care of Patent Document 1, a bathtub and a hot water tank are connected by a transfer pipe, and the transfer pipe is provided with a transfer pump at a midway position. Then, hot water stored in the hot water storage tank is stored in the hot water storage tank via the hot water storage pipe from the hot water supply source. By driving the transfer pump, transfer of hot water stored in the hot water tank is started, and hot water is sent from the suction port into the bathtub body.

  In addition, a drain pipe branches off from the middle of the transfer pipe on the suction port side of the transfer pump, and this drain pipe is provided with a manual drain valve that can be manually opened and closed. It is possible to drain hot water.

JP 2010-63561 A

  However, in conventional bathing equipment for nursing care, even after draining hot water, hot water remains in the pipes and pumps, and when hot water is added after that, the remaining water in the pipes and pumps is replaced with hot water that has been newly supplied. It is poured into the bathtub in a pressed form, and cold residual water is supplied to the bathtub, or the cold residual water is hung on a care recipient who takes a bath and disturbs comfortable bathing. In addition, even if new hot water is stored in a state where residual water is drained, the hot water that is first discharged to the bathtub side is cooled in the winter by being cooled by piping or a pump.

  The present invention has been made in view of such circumstances, and the remaining water in the flow path and pump connected from the hot water storage tank to the bathtub can be discharged before being transferred to the bathtub, and the cold remaining water is transferred to the bathtub. An object of the present invention is to provide a care bathing apparatus that prevents unpleasant operations such as being supplied or being taken by a care recipient who is taking cold residual water, and capable of comfortable bathing.

The nursing bath apparatus according to claim 1 is provided in the vicinity of a branch point between a discharge-side branch channel that branches out from the pump side of the bathtub-side channel and extends to the outside, and a bathtub-side channel of the discharge-side branch channel. A tank for connecting the hot water storage tank and the pump with the pressure of the hot water poured by pouring the hot water into the hot water storage tank with the residual water discharge on / off valve open. When the remaining water in the side channel is pushed out to the pump side and the pouring of hot water into the hot water storage tank further proceeds, if there is remaining water in the pump, the remaining water will reach the discharge side branch channel and open. The residual water is discharged to the outside through the residual water discharge opening / closing valve.

  According to a second aspect of the present invention, when the hot water supply to the hot water storage tank is started, the residual water discharge opening / closing valve is opened, and the hot water supply to the hot water storage tank is started after a predetermined time has elapsed. The on-off valve is closed.

  The nursing bath apparatus according to claim 3 is provided with a temperature detector on the pump side of the bathtub-side flow path, and the remaining temperature when the temperature of the hot water in the bathtub-side flow path detected by the temperature detector is lower than a predetermined value. The water discharge opening / closing valve is opened, and the residual water discharge opening / closing valve is closed when the temperature of the hot water in the bathtub-side flow path detected by the temperature detector is equal to or higher than a predetermined value.

  The bathing device for care according to claim 4, wherein a hot water storage tank water level detector for detecting the water level of the hot water storage tank, a bathtub water level detector for detecting the water level of the bathtub, and a branch between the bathtub side channel and the discharge side branch channel And a discharge branch point water level detector that detects the presence or absence of hot water at the branch point, the hot water tank water level detector detects that the hot water tank is empty, and the bathtub water level detector When it is detected that the water is empty, the residual water discharge on-off valve is opened, and the discharge branch point water level detector detects that the hot water has reached the branch point. The on-off valve is closed.

  The bathing device for nursing care according to claim 5, wherein a hot water tank water level detector for detecting the water level of the hot water storage tank, a bathtub water level detector for detecting the water level of the bathtub, and the water level of the hot water storage tank are connected to the bathtub side flow path and the discharge side branch. A discharge branch point water level detector that detects whether or not the water level is the same as the height of the branch point with the flow path, the hot water tank water level detector detects that the hot water tank is empty, and the bathtub water level detector When it is detected that the bathtub is empty, the open / close valve for discharging the residual water is opened, and after the hot water has reached the branch point height by the discharge branch point water level detector, The on-off valve for discharging residual water is closed.

  According to the invention of the present application, the residual water discharge provided in the vicinity of the branch point between the discharge side branch flow path branching out from the pump side of the bathtub side flow path and the bathtub side flow path of the discharge side branch flow path Because it is equipped with an on-off valve, the remaining water in the flow path and pump connected from the hot water storage tank to the tub can be discharged before hot water supply to the tub, and cold residual water is supplied to the tub or cold residual water This prevents uncomfortable movements such as taking a bath for a care recipient and allows for comfortable bathing.

It is explanatory drawing which shows an example of a structure of the bathing apparatus for care which concerns on this invention. It is explanatory drawing which shows operation | movement of the bathing apparatus for the care. It is explanatory drawing which shows operation | movement of the bathing apparatus for the care. It is explanatory drawing which shows operation | movement of the bathing apparatus for the care. It is explanatory drawing which shows operation | movement of the bathing apparatus for the care. It is explanatory drawing which shows the other example of a structure of the bathing apparatus for care which concerns on this invention. It is explanatory drawing which shows the further another example of a structure of the bathing apparatus for care which concerns on this invention. It is explanatory drawing which shows the further another example of a structure of the bathing apparatus for care which concerns on this invention.

  Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. FIG. 1 is an explanatory view showing an example of the configuration of a nursing bathing apparatus according to the present invention. 2-5 is explanatory drawing which shows operation | movement of the bathing apparatus for the care.

  The bathing apparatus 1 for care according to the present invention is for an elderly person or a person who needs care (caregiver) to take a bath. The nursing bathing apparatus 1 is composed of a bathtub 10, a pump 12, a hot water storage tank 20, and the like. The bathtub 10 is for a care recipient to take a bath, and has a hot water storage tank 20 for storing hot water supplied to the bathtub 10 in the vicinity or inside of the bathtub 10 (in FIG. 1, the hot water storage tank 20 is It is provided in the vicinity of the bathtub 10). Hot water storage tank 20 is supplied with hot water from a boiler or the like (not shown) via hot water supply passage 30.

  The pump 12 sends hot water stored in the hot water storage tank 20 to the bathtub 10, and is disposed at a position higher than the height of the tank bottom 20 a of the hot water storage tank 20. A hose-like tank side flow path 32 extending from the tank bottom 20 a of the hot water storage tank 20 is connected to the hot water supply side of the pump 12. In addition, a hose-like bathtub-side flow path 34 is provided on the hot water supply side of the pump 12 toward the upper side of the pump 12 so that hot water sent from the pump 12 is poured into the bathtub 10. ing.

  Moreover, the discharge side branch flow path 34a which the pump 12 side of the bathtub side flow path 34 branches and is extended outside is provided. A residual water discharge on-off valve 16 for opening and closing the discharge side branch flow path 34a is provided in the vicinity of the branch point between the discharge side branch flow path 34a and the bathtub side flow path 34.

  Further, a pipe-like drainage channel 36 for draining hot water from the bathtub 10 is provided from the bathtub bottom 10 a that is the bottom of the bathtub 10, and the drainage channel 36 opens and closes the drainage channel 36 in the middle of the drainage channel 36. An on-off valve 14 is provided.

  Control of the nursing bathing apparatus 1 such as hot water supply to the hot water storage tank 20, start of operation of the pump 12 and opening / closing of the residual water discharge opening / closing valve 16 is performed by an electronic circuit (not shown).

  Next, operation | movement of the bathing apparatus 1 for nursing care comprised in this way is demonstrated. First, when the nursing bathing apparatus 1 is used for the first time, hot water is supplied to the hot water storage tank 20 with no water or hot water remaining anywhere in the nursing bathing apparatus 1. First, hot water is stored in the hot water storage tank 20 in a state where no care recipient is in the bathtub 10. With the hot water stored in the hot water storage tank 20, the care recipient enters the bathtub 10 and then operates the pump 12 to send the hot water from the hot water storage tank 20 to the bathtub 10, so that the care recipient can take a bath. . When the care recipient finishes bathing, first, the drain valve 14 is opened and the hot water in the bathtub 10 is drained through the drain channel 36. And when the hot water of the bathtub 10 has come out, the care recipient can finish bathing safely by the care recipient coming out of the bathtub 10.

  Here, once the bathing is completed, the remaining water WZ1 and the remaining water WZ2 remain in the nursing bathing apparatus 1 as shown in FIG. More specifically, even if hot water is completely removed from the bathtub 10, actually, as shown in FIG. 2, the tank side channel 32 is positioned at a position lower than the tank bottom 20 a of the hot water storage tank 20 and the pump 12. The remaining water WZ1 will remain. Moreover, in the pump 12 which does not have a water stop function at the time of a pump stop like the spiral pump generally used in order to send hot water to the bathtub 10, the residual water WZ2 will remain in the pump 12. .

  Thus, when the next care recipient takes a bath with the remaining water WZ1 and the remaining water WZ2 remaining, first, when the hot water supply to the hot water storage tank 20 is started, the remaining water drainage on-off valve 16 is set. Try to open. With the residual water drainage on-off valve 16 opened, hot water WY is stored in the hot water storage tank 20, and when the water level of the hot water WY in the hot water storage tank 20 rises, as shown in FIG. The residual water WZ1 in the flow path 32 is pushed by the hot water WY, and the water level on the pump 12 side rises. In addition, the water level of the residual water WZ1 in the tank side flow path 32 is the same position as the water level in the hot water storage tank 20 of the hot water WY.

  When the water level of the hot water WY in the hot water storage tank 20 further rises from the state of FIG. 3, as shown in FIG. 4, the remaining water WZ <b> 1 in the tank side flow path 32 further moves to the pump 12 side. Is further raised toward the bathtub-side flow path 34. If it does so, the residual water WZ2 which existed in the pump 12 will also rise with the residual water WZ1. Also at this time, the water level on the pump 12 side of the remaining water WZ1 (including the remaining water WZ2) in the tank side flow path 32 is the same position as the water level in the hot water storage tank 20 of the hot water WY.

  When the water level of hot water WY in the hot water storage tank 20 further rises from the state of FIG. 4, as shown in FIG. 5, the remaining water WZ1 (including the remaining water WZ2) in the tank side flow path 32 is supplied to the pump 12. As it overflows, it flows into the discharge side branch flow path 34a. Here, since the residual water drain opening / closing valve 16 is opened, the residual water WZ1 (including the residual water WZ2) is discharged to the outside through the discharge side branch flow path 34a.

  The remaining water drainage on-off valve 16 is closed after a sufficient time for the remaining water WZ1 (including the remaining water WZ2) to be discharged to the outside, whereby the hot water storage tank 20, the tank side flow path 32, the pump 12 and The bathtub-side flow path 34 is filled only with warm hot water WY newly supplied. And after a care recipient enters the bathtub 10 with the hot water storage tank 20 filled, the care recipient can take a bath by operating the pump 12 and sending the hot water WY of the hot water storage tank 20 to the bathtub 10. become.

  As described above, according to the care bathing apparatus 1 of the present embodiment, the discharge-side branch flow path 34a that the pump 12 side of the bathtub-side flow path 34 branches and extends to the outside, and the bathtub of the discharge-side branch flow path 34a Since it includes the residual water discharge opening / closing valve 16 provided in the vicinity of the branch point with the side flow path 34, the flow path leading from the hot water storage tank 20 to the bathtub 10 and the residual water in the pump 12 are supplied to the bathtub 10. It can be discharged before the hot water supply, and an unpleasant operation such that cold residual water is supplied to the bathtub 10 or the cold residual water is applied to a care recipient who takes a bath can be prevented, and comfortable bathing is possible.

  In addition, the following effects of the bathing apparatus 2 for nursing care and the bathing apparatus 3 for nursing care can be obtained as well as the bathing apparatus 1 for nursing care.

  In addition, about the timing of opening and closing of the above-mentioned residual water drainage on-off valve 16, the above-described effects can be achieved also in other forms. Specifically, there are forms shown in FIG. 6 and FIG. FIG. 6 is an explanatory view showing another example of the configuration of the care bathing apparatus according to the present invention, and FIG. 7 is an explanatory view showing still another example of the configuration of the care bathing apparatus according to the present invention. .

  The nursing bath apparatus 2 shown in FIG. 6 includes a temperature detector 40 on the pump 12 side of the bathtub-side channel 34 in addition to the configuration of the nursing bath apparatus 1 shown in FIG. The temperature detector 40 measures the temperature of the hot water in the bathtub-side flow path 34 in the vicinity that branches into the discharge-side branch flow path 34a.

  And as operation of the bathing device 2 for nursing care, like the bathing device 1 for nursing care, hot water supply is started in the state in which the residual water WZ1 and the residual water WZ2 remain. When the temperature of the hot water in the bathtub side flow path 34 detected by the detector 40 is lower than a predetermined value, the residual water discharge on-off valve 16 is opened. Then, similarly to the nursing bathing apparatus 1, the residual water WZ1 and the residual water WZ2 are discharged to the outside through the discharge side branch flow path 34a.

  When hot water is further supplied into the hot water storage tank 20, the temperature of the hot water in the bathtub-side channel 34 detected by the temperature detector 40 rises above a predetermined level. When the temperature exceeds the predetermined temperature, the residual water discharge opening / closing valve 16 is closed. The subsequent operation is the same as that of the care bathing apparatus 1.

  Here, the predetermined temperature to be determined for opening / closing the residual water discharge opening / closing valve 16 detected by the temperature detector 40 is, for example, about 35 ° C. The temperature is not limited to about 35 ° C., and can be set arbitrarily, but it can be said that this temperature is preferable for comfortable bathing.

  The nursing bath apparatus 3 shown in FIG. 7 includes a hot water tank water level detector 42, a bathtub water level detector 44, and a discharge branch point transition detector 46 in addition to the configuration of the nursing bath apparatus 1 shown in FIG. Yes.

  The hot water storage tank water level detector 42 detects the water level of the hot water storage tank 20 and can detect whether or not the water storage tank 20 is empty. Moreover, the bathtub water level detector 44 detects the water level of the bathtub 10, and can detect whether the bathtub 10 is empty. Further, the discharge branch point water level detector 46 is provided at a branch point between the bathtub side flow path 34 and the discharge side branch flow path 34a, and detects the presence or absence of hot water at this branch point.

  And as operation of the bathing apparatus 3 for nursing care, as with the bathing apparatus 1 for nursing care, hot water supply is started with the remaining water WZ1 and the remaining water WZ2 remaining. When the hot water storage tank 20 is detected to be empty by the vessel 42 and the bathtub 10 is detected to be empty by the bathtub water level detector 44, the residual water discharge opening / closing valve 16 is opened. And hot water supply is started, and the residual water WZ1 and the residual water WZ2 are discharged | emitted outside via the discharge side branch flow path 34a similarly to the bathing apparatus 1 for care. Thereafter, after the discharge branch point water level detector 46 detects that hot water has reached the branch point, the residual water discharge on-off valve 16 is closed after a predetermined time has elapsed. The predetermined time is a time sufficient for discharging the remaining water WZ1, the remaining water WZ2, and the cold hot water to the outside.

  8 includes a hot water tank water level detector 42, a bath water level detector 44, and a discharge branch point transition detector 48 in addition to the configuration of the nursing bath apparatus 1 shown in FIG. Yes.

  The hot water storage tank water level detector 42 detects the water level of the hot water storage tank 20 and can detect whether or not the water storage tank 20 is empty. Moreover, the bathtub water level detector 44 detects the water level of the bathtub 10, and can detect whether the bathtub 10 is empty. Further, the discharge branch point water level detector 48 detects whether or not the water level of the hot water storage tank 20 is the same as the level of the branch point between the bathtub side channel 34 and the discharge side branch channel 34a.

  And as operation of the bathing apparatus 4 for nursing care, like the bathing apparatus 1 for nursing care, hot water supply is started with the remaining water WZ1 and the remaining water WZ2 remaining. When the hot water storage tank 20 is detected to be empty by the vessel 42 and the bathtub 10 is detected to be empty by the bathtub water level detector 44, the residual water discharge opening / closing valve 16 is opened. And hot water supply is started, and the residual water WZ1 and the residual water WZ2 are discharged | emitted outside via the discharge side branch flow path 34a similarly to the bathing apparatus 1 for care. Thereafter, after the discharge branch point water level detector 48 detects that the hot water has reached the height of the branch point, the residual water discharge on-off valve 16 is closed after a predetermined time has elapsed. The predetermined time is a time sufficient for discharging the remaining water WZ1, the remaining water WZ2, and the cold hot water to the outside. Note that the hot water tank water level detector 42 and the discharge branch point water level detector 48 can be implemented by a single detector.

  As described above, according to the present invention, the remaining water in the flow path and pump connected from the hot water storage tank to the bathtub can be discharged before the hot water supply to the bathtub, and the cold remaining water is supplied to the bathtub or is cold It is possible to provide a bathing apparatus for nursing care that can prevent unpleasant operations such as remaining water taking a care recipient who takes a bath and can perform comfortable bathing.

DESCRIPTION OF SYMBOLS 1 ... Bathing device for care 2 ... Bathing device for care 3 ... Bathing device for care 4 ... Bathing device for care 10 ... Bathtub 10a ... Bathtub bottom 12 ... Pump 14 ... Drain open / close valve 16 ... Residual water discharge open / close valve 20 ... Hot water storage tank 20a ... Tank bottom 30 ... Hot water supply side flow path 32... Tank side channel 34 ... Bath side channel 34a ... Discharge side branch channel 36 ... Drain channel 40 ... Temperature detector 42 ... Hot water storage tank Water level detector 44 ··· Bathtub water level detector 46 ··· Discharge branch point water level detector 48 ··· Discharge branch point water level detector

Claims (5)

A bath for a care recipient to take, a hot water storage tank for storing hot water to be supplied to the bathtub, and a pump for sending the hot water in the hot water storage tank to the bathtub, from the height of the tank bottom of the hot water storage tank In the care bathing device in which the pump is arranged at a high position, and the hot water is poured into the bathtub through a bathtub-side flow path provided above the pump.
A discharge-side branch channel that branches out from the pump side of the bathtub-side channel and extends to the outside;
A residual water discharge on-off valve provided in the vicinity of a branch point of the discharge side branch flow path with the bathtub side flow path,
By pouring into the hot water storage tank with the residual water discharge opening / closing valve opened, the residual pressure in the tank side flow path connecting the hot water storage tank and the pump is adjusted by the pressure of the hot water poured. When water is pushed out to the pump side and pouring into the hot water storage tank further proceeds, if there is residual water in the pump, the residual water will reach the discharge side branch flow path and be released. A nursing bathing apparatus characterized in that the residual water is discharged to the outside through the open / close valve for discharging the residual water. When hot water supply to the hot water storage tank is started, the residual water discharge on-off valve is opened,
The care bathing apparatus according to claim 1, wherein the on-off valve for discharging residual water is closed after a predetermined time has elapsed from the time when hot water supply to the hot water storage tank is started. A temperature detector is provided on the pump side of the bathtub side flow path,
When the temperature of the hot water in the bathtub-side flow path detected by the temperature detector is less than a predetermined value, the residual water discharge on-off valve is opened,
The bathing apparatus for care according to claim 1, wherein when the temperature of the hot water in the bathtub-side channel detected by the temperature detector is equal to or higher than a predetermined level, the on-off valve for discharging the residual water is closed. . A hot water tank water level detector for detecting the water level of the hot water tank;
A bathtub water level detector for detecting the water level of the bathtub;
Provided at a branch point between the bathtub side flow path and the discharge side branch flow path, and includes a discharge branch point water level detector for detecting the presence or absence of hot water at the branch point,
When the hot water storage tank water level detector detects that the hot water storage tank is empty and the bathtub water level detector detects that the bathtub is empty, the residual water discharge on-off valve is opened. ,
2. The nursing water discharge valve according to claim 1, wherein the residual water discharge on-off valve is closed after a lapse of a predetermined time after detecting that the hot water has reached the branch point by the discharge branch point water level detector. Bathing device. A hot water tank water level detector for detecting the water level of the hot water tank;
A bathtub water level detector for detecting the water level of the bathtub;
A discharge branch point water level detector for detecting whether the water level of the hot water storage tank is the same as the water level of the branch point between the bathtub side channel and the discharge side branch channel;
When the hot water storage tank water level detector detects that the hot water storage tank is empty and the bathtub water level detector detects that the bathtub is empty, the residual water discharge on-off valve is opened. ,
2. The on-off valve for discharging residual water is closed after a predetermined time has elapsed after detecting that the hot water has reached the height of the branch point by the discharge branch point water level detector. Bathing equipment for nursing.

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