JPH0664593U - Baths for forced circulation of hot water - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent a part of the body from being strongly drawn into the suction port. [Structure] A bath 1 having a discharge port 2a and a suction port 3a opened in a tank inner surface 1a, a circulation channel 4 provided outside the tank for connecting the discharge port 2a and the suction port 3a, and a circulation flow channel. A circulation pump 5 connected in the middle of the passage 4 is provided, and a plurality of suction ports 3a are opened in the tank inner surface 1a.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to the improvement of a bath in which hot water in a bath is forcedly circulated by a circulation pump outside the bath.

[0002]

[Prior art]

 Conventionally, some baths have a type in which bath water is forcibly circulated in order to make bathing comfortable. In this bath, as shown in FIG. 3, three discharge tools 2 and one suction tool 3 are attached to the bath 1, and three discharge ports 2a and one suction port 3a are provided on the inner surface 1a of the tank. Are connected to each other, and the discharge ports 2a and the suction ports 3a are connected to each other through a circulation flow path 4 including a pipe provided outside the tank, and a circulation pump 5 is connected in the middle of the circulation flow path 4. is there. Further, this bath is provided with an air supply passage 6 composed of a pipe or the like outside the tank, and the suction area 2b of each of the discharge tools 2 and the air intake amount adjusting tool 7 are connected by the air supply passage 6.

When the circulation pump 5 is started, the bath sucks the hot water W in the bathtub 1 through the suction port 3 a of the suction device 3 and guides it to the circulation flow path 4, and then the circulation pump 5 The pressurized hot water is guided to each discharge tool 2 through the circulation flow path 4 and jetted out into the bath 1 from each discharge port 2a. When the air intake amount adjusting device 7 is in the air intake state, air is guided to the suction area 2b of each discharge device 2 through the air supply path 6, and fine air bubbles are mixed in the hot water passing through each discharge device 2. Let The hot water mixed with fine air bubbles is vigorously discharged into the bathtub 1 from each of the outlets 2a to remove the clogging of pores of the bather and improve blood circulation. When the air intake amount adjusting tool 7 is in the air intake stopped state, only hot water is jetted into the bathtub 1 from the discharge port 2a of each discharge tool 2.

By the way, in the bath, when a part of the body or a towel or the like is drawn into the suction port 3a and the suction port 3a is closed, the suction force is large, so that the body, the towel or the like should be separated from the suction port 3a. Becomes difficult and becomes very dangerous. Therefore, conventionally, as a safety device, a pressure detector (not shown) is provided at an appropriate position of the circulation passage 4, and the closed state of the suction port 3a is detected by the pressure detector to stop the circulation pump 5. There is something.

[0005]

[Problems to be solved by the device]

 However, since the safety device is not normally used, it may not be noticed even when it fails and does not operate, and there is a problem that it is not useful when it is essential.

In order to solve the above problems, the present invention aims to provide a bath for forcibly circulating bath water in which part of the body or the like is not strongly drawn into the suction port.

[0007]

[Means for Solving the Problems]

 The means adopted by the present invention are a bathtub having a discharge port and a suction port opened on the inner surface of the tank, a circulation channel provided outside the tank for connecting the discharge port and the suction port, and a circulation channel In a bath for forcibly circulating hot water in a bath provided with a circulation pump connected midway, a plurality of the suction ports are opened on the inner surface of the bath.

The suction port may be opened on any two of the side surfaces and the bottom surface forming the inner surface of the tank. A hair catcher may be attached to the suction port. Further, a filter may be provided in the middle of the circulation channel.

[0009]

[Action]

 The hot water sucked into the circulation flow path when the circulation pump is activated is a collection of hot water sucked from the plurality of suction ports. Therefore, each suction port has a smaller share of the amount of hot water to be sucked, the flow velocity at the time of suction becomes slower and the dynamic pressure becomes lower than in the conventional case. Therefore, the suction force of each suction port is also small, and it becomes difficult to draw in a part of the body or a towel. Even if it is drawn into one suction port, hot water is sucked from the other suction port, so the suction static pressure of the suction port during drawing is weak, and it can be easily separated and remains drawn. There is no danger.

When the suction ports are opened on any two of the plurality of side faces and the bottom face forming the inner surface of the tank, all the suction ports are not closed at the same time, and the suction is performed in the bath. Since the area to be covered also expands, there is no possibility of a hot water stagnant area in the bathtub. Moreover, when hair catchers are attached to a plurality of suction ports, the entire filtration area becomes large and the flow velocity of the hair catcher is slowed down, so that fine dust can be captured over a wide range in the bathtub. Further, when a filter is installed in the middle of the circulation flow path, dust and the like collected together with the hot water are uniformly filtered from the entire bath through a plurality of suction ports, so that a good filtering function can be achieved. .

[0011]

【Example】

 Hereinafter, a bath for forcibly circulating bath water according to the present invention (hereinafter referred to as "main bath") will be described based on the embodiment shown in FIG. The improvement of the embodiment shown in the drawing is that two suction tools 3, 3 are attached to the bath 1 and the suction tools 3, 3 are connected to the circulation flow path 4, so that the suction port 3a, 3a was opened with an interval P of 10 cm or more. The configuration other than the improvements in the embodiment is substantially the same as that of the conventional bus shown in FIG.

When the circulation pump 5 is activated, the hot water W sucked from each suction port 3 is collected in the circulation flow path 4 and guided to the circulation pump 5. When the amount of circulating hot water is the same as that of the conventional one, each suction port 3 has a smaller share of the amount of hot water to be sucked, the flow velocity at the time of suction becomes slower and the dynamic pressure becomes lower than in the conventional case. Therefore, the suction force of each suction port 3 is also reduced, and it becomes difficult to draw in a part of the body, a towel or the like. Even if it is drawn into one of the suction ports 3, this suction port 3 has a weak pulling force because the other suction ports 3 perform the bypass function. Therefore, the bather can easily separate the part of the body or the towel that has been drawn in, and there is no danger of being drawn in. Further, since the interval P between the suction ports 3 and 3 adjacent to each other is 10 cm or more, all the suction ports 3 and 3 are not closed at the same time.

FIG. 2 shows another embodiment of the bus of the present invention. The feature of the embodiment shown in the figure is that the suction tool 3 is attached to each of the side surface 1a-1 and the bottom surface 1a-2 which are the tank inner surface 1a of the bathtub 1, and the suction tools 3 and 3 are attached to the circulation flow path 4. By connecting, the suction ports 3a, 3a are opened in the side surface 1a-1 and the bottom surface 1a-2.

A hair catcher 8 made of a mesh is attached to each suction port 3a so as to catch hair, dust and the like in the circulating hot water to be sucked. In this embodiment, since the hair catcher 8 is attached to each of the two suction ports 3a, the total mesh area is increased and the total mesh area is increased as compared with the conventional case where only one suction port 3a is provided. Since the flow velocity of the air passing through the hair catcher 8 becomes slow, it is possible to catch a wide area in the bathtub 1. In particular, the suction port 3a of the bottom surface 1a-2 can effectively suck and collect dust having a high specific gravity by the hair catcher 8.

As another different measure for making it difficult to close the suction port 3a, it may be considered to simply increase the opening area of one suction port 3a. However, this method is not preferable in terms of water leakage, etc., because the matching between the large-diameter suction tool and the mounting hole cut in the bathtub becomes poor. As is clear from each of the above-described embodiments, the present invention bath does not need to increase the opening area of each suction port 3a by providing a plurality of suction ports 3a, so that the above consistency is not deteriorated.

The pump unit 11 includes a circulation pump 5 and a filtration system 12. The filtration system 12 includes a filter 13 made of porous ceramics, filtration beads, and the like, and three-way valves 14 and 15 connected to a connection port of the filter 13. The upper three-way valve 14 has one connection port connected to the discharge side of the circulation pump 5 and a connection pipe 16, and a drain pipe 17 extended from the other connection port. The lower three-way valve 15 has one connection port connected to the discharge side of the circulation pump 5 and a connection pipe 18, and the other connection port connected to the suction side of the circulation pump 5.

The filtration system 12 can be switched between a filtration operation and a filter cleaning operation by operating the three-way valves 14 and 15. In the filtering operation, as indicated by the solid arrow in the figure, a part of the circulating hot water is passed through the inside of the filter 13 in the filtering direction to remove dirt, oil and the like in the circulating hot water. In the filter cleaning operation, as shown by the broken line arrow in the figure, a part of the circulating hot water is passed through the filter 13 in the cleaning direction to remove dirt adhering to the filter 13 from the drain pipe 17 To discharge. Although not shown, the filtration system 12 may be provided outside the pump unit 11. Further, as the filtration system 12, it is possible to select a type that cannot perform the filter cleaning operation.

In the present embodiment, since the plurality of suction ports 3a are opened in the side surface 1a-1 and the bottom surface 1a-2 of the inner surface 1a of the tub which are different from each other, there is no place where hot water is retained in the bathtub 1, The hot water in the bath tub 1 can be sucked evenly to exert a good filtering function, and colorless hot water without contamination can be jetted from the discharge port 2a.

It should be noted that the present invention is not limited to the above-described embodiments, and can be implemented with appropriate modifications within the scope of the invention. For example, although not shown in the drawings, two or more suction ports 3a are provided on the inner surface of the bathtub, which is a combination of two or more side surfaces and bottom surfaces, including a combination of opposing side walls and adjacent side walls of the bathtub 1. Opening and connecting each suction port 3 a to the circulation flow path 4.

[0020]

[Effect of device]

 As described above in detail, the present invention has the following practical effects. The present invention according to claim 1 makes it difficult for a part of the body, a towel, or the like to be drawn into each suction port, and even if it is drawn into one suction port, it can be easily separated, and all suctions can be performed. The mouth is not blocked at the same time. As a result, the present invention can provide a safe bath without the risk that a part of the body, a towel, or the like remains drawn. According to the present invention as set forth in claim 2, even if there is a place where the circulation of hot water is obstructed by the bathing posture of the bather and the hot water tends to be stagnant, it is sucked into the suction port opened on a different side or bottom of the bathtub. As there is no hot water, there will be no hot spots. According to the present invention as set forth in claim 3, since fine dust can be captured over a wide range in the bathtub, the hot water in the bathtub can be always cleaned. According to the present invention as set forth in claim 4, since the dirt, oil and the like collected evenly from the entire bath are filtered, it is possible to exert a good filtering function and to improve the sanitation of hot water. be able to.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a bath for forcedly circulating bath water according to the present invention, in which a circulation flow path and the like are indicated by solid lines.

FIG. 2 is a partially sectional side view showing another embodiment of the bath for forcibly circulating the bath water according to the present invention.

FIG. 3 is a perspective view showing a conventional bath for forcibly circulating bath water, in which a circulation flow path and the like are indicated by solid lines.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Bathtub 1a ... Tank inner surface 2a ... Discharge port 3a ... Suction port 4 ... Circulation flow path 5 ... Circulation pump 13 ... Filter

Claims (4)

[Scope of utility model registration request] 1. A bathtub having a discharge port and a suction port opened on the inner surface of the bath, a circulation flow channel provided outside the bath for connecting the discharge port and the suction port, and connected in the middle of the circulation flow channel. A bath for forcibly circulating hot water in a bath provided with the circulation pump described above, wherein a plurality of the suction ports are opened on the inner surface of the bath for forced circulation of hot water in the bath. 2. The suction port is opened on any two surfaces of a plurality of side surfaces and a bottom surface forming the inner surface of the tank.
A bath that forcibly circulates the listed bath water. 3. A bath for forcibly circulating bath water according to claim 1, wherein a hair catcher is attached to the suction port. 4. A bath for forcibly circulating hot water in a bath according to claim 1, wherein a filter is provided in the middle of the circulation passage.