JPH0827058B2 - Circulating water heater for bubble bath equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bubble bath device, and more particularly, to a bathtub having a bubble outlet on both the back side wall and the foot side wall of a bathtub, and a pipe for connecting them. The present invention relates to a bath device of a type.

[0002]

2. Description of the Related Art In recent bath equipment, in addition to an automatic water filling device for a bathtub and a reheating device for reheating the hot water in the bathtub, a bath device having a bubble bath function has been widely used. In this type of bath device, as shown in FIG. 1, a back outward route (1a), a foot outward route (1b) and a feedback circuit (1c) are connected between the bathtub (B) and the circulating water heater (1). The circulating water heater (1) has a main function part (10) such as a hot water supply function part and a bath heating function part, and a circulation pump (P) inserted in the future piping.
A circulation function unit, a bubble generation function unit (11), and the like are included.

When a circulating water heater (1) of this type is connected to a bathtub (B) as shown in the figure, the back side outward route (1a) or the foot side outward route (1b)
It is possible to automatically fill the bathtub (B) with hot water from the hot water supply function unit via.
In addition, since a circulation circuit is formed between the bathtub (B) and the circulating water heater (1), the bath heating function section and the circulation function section are operated to circulate and heat the inside of the bathtub (B). Can be reheated. Furthermore, the circulation function part and the bubble generation function part (1
By activating 1), a bubble bath state in which bubbles are ejected from the dorsal / foot side outward paths (1a) (1b) into the bath water can be obtained.

In order to simplify the construction of this type of bath device and to connect the circulating water heater (1) to various positions with respect to the bathtub (B), a bathtub having a special structure is widely used. In this bathtub, a pair of bubble jetting ports (21) and (22) are provided on the opposite side walls, and a piping device (2) is built in for facilitating the piping connection to these. This piping device (2) is equipped with a connection part for the back side / foot side outward paths (1a) (1b) and the circulating water heater (1), and as shown in FIG. On the other hand, circulating water heaters at various positions (1)
By arranging this and connecting it to the dorsal / foot side outward paths (1a) (1b) and the feedback circuit (1c), the piping as the bath device is completed.

On the other hand, in the circulating water heater (1) in the recent bath equipment of this type, when the bubble bath is operating, the back side forward path (1)
A state in which bubbles are ejected from the bubble outlet (21) at the downstream end of a), a state where bubbles are ejected from the bubble outlet (22) in the foot side outward path (1b), and further, bubbles are simultaneously ejected from both. It is configured so that it can be switched to a jetted state, etc., and is equipped with a remote control unit for this purpose.

[0006] Therefore, a bubble bath-like bath is provided by this remote control unit.
The state can be switched according to preference. By the way
However, the piping between the circulating water heater (1) and the bathtub (B) is as described above.
Also, because it is configured so that it can be easily performed,
Since the configuration of the piping device (2) in (B) is difficult to understand,
Dorsal / foot-outward paths (1a) (1b) in the bathtub (B) and corresponding
Incorrect connection with the connection part of the circulating water heater (1) is likely to occur. example
For example, in the case of Fig. 2, (L₂) ・ (L ₃) Is a circulation supply
There is no mistake in the connection between the water heater (1) and the piping device (2).
₁) And (L_Four) Connection mode, the circulating water heater (1) side
Relationship between the dorsal exit circuit (12) and the foot exit circuit (13) and dorsal approach
If the connection between the road (1a) and the foot side outward path (1b) is reversed,
Become.

This is often found at the time of trial operation of the instrument, and in such a case, reconnection is required, which is very troublesome. The present invention has been made in view of the above point, and is "back side forward route for bubble bath operation (1a)"
And foot side outward path (1b) and the entrance side connection with these, further,
A circulation water heater (1) pipe-connected to a bathtub (B) containing a feedback device (1c) and a piping device (2) equipped with an outlet-side connection portion with the feedback circuit (1) and a circulation pump (P). Inlet side connection to the circulation function part and the back side outward route (1a) and foot side outward route
In the circulating water heater for a bubble bath device, which comprises a back side / foot side outlet circuit (12) (13) connected to (1b) '', the back side outlet circuit (12) and the foot side outlet circuit (13) And dorsal / foot-outward path (1a)
The problem is to be able to promptly deal with the case where an erroneous connection with (1b) occurs.

[0008]

[Technical Means] A technical means of the present invention for solving the above-mentioned problem is to describe a "a pair of communicating pipes (14), (15) for connecting a back side outlet circuit (12) and a foot side outlet circuit (13) to each other. ) Is provided, and the first switching valve device is provided at a branch portion from the back side outlet circuit (12) to the communication pipe (14).
(3a), the second switching valve device (3b) is provided at each of branch portions from the foot side outlet circuit (13) to the communication pipe (14), and the first switching valve device (3a) is provided on the back side. Switch between the state in which only the outlet circuit (12) is in communication, and the state in which the downstream side of the branch point in the back side outlet circuit (12) is blocked and this upstream side and the communication pipe (14) are in communication The second switching valve device (3b) has a state in which only the foot side outlet circuit (13) is in communication with the second side switching valve device (3b) and the foot side outlet circuit (1).
It is configured such that the downstream side of the branch point in 3) is blocked and the upstream side and the communication pipe (15) are communicated with each other. ”

[0009]

The above technical means operates as follows. Normally, the first and second switching valve devices (3a) (3b) in the circulating water heater (1)
Are set so that only the back side outlet circuit (12) and only the foot side outlet circuit (13) are in communication with each other. Therefore, the back side outlet circuit (12) and the foot side outlet circuit (1) of this circulating water heater (1)
If 3) is properly connected to the piping device (2) of the bathtub (B), no inconvenience will occur even if it is used as it is.

Dorsal exit circuit (12) and foot exit circuit (13)
If there is an incorrect connection (outlet side circuit connection) between the back side outward route (1a) and the foot side outward route (1b), operation of the remote control device equipped in the circulating water heater (1) and the bathtub The relationship with (B) is reversed, but in this case, the first and second switching valve devices (3a) and (3b) of the circulating water heater (1) are switched. This allows the circulating water heater
The outlet side circuit connection between (1) and the bathtub (B) is optimized.

[0011]

[Effect] When installing the circulating water heater (1), the circulating water heater (1)
Even if the outlet side circuit connection between the bathtub and the bathtub (B) is erroneously connected, simply switching the first switching valve device (3a) and the second switching valve device (3b) in the circulating water heater (1), Since the outlet side circuit can be connected properly, it is not necessary to redo the piping.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the embodiments of the present invention described above will be described in detail with reference to the drawings starting from FIG. In this embodiment, as shown in FIG. 3, the circulating water heater (1) has a main function part (10) such as a hot water supply function part and a bath heating function part, and a circulation pump (P) inserted in a pipe from now on. The circulation function unit and the bubble generation function unit (1
1), and a dorsal side outlet circuit (12) and a foot side outlet circuit (13) branched from the bubble generating function part (11) are incorporated.

The main function unit (10) has a feedback circuit (1
An inlet side circuit (16) connected to c) is provided, and a connection port (16a) is provided at the upstream end of the inlet side circuit (16).
The other dorsal side outlet circuit (12) and the foot side outlet circuit (13) have control valves (V
₁ ) (V ₂ ) is inserted, and connection ports (12a) (13a) are provided at the downstream ends thereof. Also, the back side outlet circuit (12)
A communication pipe (14) branching from the foot side outlet circuit (13) and a communication pipe (15) branching from the foot side outlet circuit (13) to the back side outlet circuit (12) are provided. , The first three-way valve (31) as the first switching valve device (3a) at the former branch point, and the second three-way valve (32) as the second switching valve device (3b) at the latter branch point. Has been inserted.

In a normal state, as shown in FIG. 4, the first three-way valve (31) is in a state in which only the back side outlet circuit (12) is in communication, and the second three-way valve (32) is a foot. Only the side exit circuit (13) is in communication. Further, although not shown, as described above, the remote operation device is equipped in the circulating water heater (1), and the control valve (V ₁ ) (V _1
2 ) is configured to be controlled, and the bubble outlet on the back side (21)
(21) operating state in which bubbles are ejected from only, the state that bubbles are ejected only from the foot side bubble outlet (22) (22), and further, bubbles are emitted from both of the bubble outlets (21) and (22). It can be switched to the state of jetting.

If the first and second three-way valves (31) and (32) are switched from the state of FIG. 4 and set as shown in FIG. 5, the downstream side of the back side outlet circuit (12) is shut off and the back side is cut off. The upstream side of the side outlet circuit (12) and the downstream side of the foot side outlet circuit (13) are the first three-way valve (31).
And the communication pipe (14), and the other foot side outlet circuit (1
The downstream side of 3) is shut off so that the upstream side of the foot side outlet circuit (13) and the downstream side of the back side outlet circuit (12) are the second three-way valve (32) and the communication pipe.
It switches to the state of communicating via (15).

Therefore, when the circulating water heater (1) of this embodiment is connected to the bathtub (B) and an incorrect connection occurs, the first three-way valve (31) and the second three-way valve (32) are switched. As a result, the outlet side circuit connection can be optimized as described above.
In this embodiment, the first and second three-way valves (31) (32) are switched by manual operation, but this may be used as an electrically operated valve, and the three-way valves may be simultaneously switched by switching the switch. good.

Furthermore, in this embodiment, a three-way valve is adopted as the first and second switching valve devices (3a) (3b), but this is replaced with the first three-way valve (31) as shown in FIG. A pair of on-off valves (33)
A combination of (34) may be adopted, and a combination of a pair of open / close valves (35) and (36) may be adopted instead of the second three-way valve (32). In this case, depending on which of the pair of on-off valves is opened, the same effect as in the above-described embodiment is exerted.

Further, in this type of circulating water heater (1), the control valves (V ₁ ) (V ₂ ) are required, but as shown in FIG. 7, communication in the back side outlet circuit (12) is performed. Insert the control valve (V ₁ ) (V ₁ ) in the downstream side of the branch point of the pipe (14) and the communication pipe (14), and set the foot side outlet circuit (13).
The control valve (V ₂ ) (V ₂ ) may be inserted into the downstream side of the branch point of the communication pipe (15) and the communication pipe (15). In this case, when properly connected, the control valve (V ₁₎ and the electrical connection relationship as to actuate the control valve only (V ₂₎ of the foot-side outlet circuit (13) of the back side outlet circuit (12) In case of incorrect piping, an electrical connection relationship that activates only the control valve (V ₁ ) inserted in the communication pipe (14) and the control valve (V ₂ ) inserted in the communication pipe (15). Set to. As a result, even if the wrong connection is made as in the above embodiment, the outlet side circuit connection can be optimized. In this case, in order to optimize the connection of the outlet side circuit, a switch that determines which control valve is brought into the conductive state is provided, and the optimization can be performed by operating the switch. The control valves (V ₁ ) and (V ₂ ) both shut off the flow path in the non-conductive state, and in the conductive state they are opened and closed according to the input signal and the opening degree of the flow path. Is of a changing form.

In this case, the number of valve devices can be reduced as compared with the case of FIG.

[Brief description of drawings]

FIG. 1 is an explanatory view of a conventional bath device.

FIG. 2 is an explanatory view of the connection relationship between the bathtub (B) and the circulating water heater (1).

FIG. 3 is an explanatory view of a main part of an embodiment of the present invention.

FIG. 4 is a detailed view of essential parts when the first and second three-way valves (31) and (32) are set to a normal state.

FIG. 5 is a detailed view of essential parts when the first and second three-way valves (31) and (32) are set to the switching state.

FIG. 6 is an explanatory view when the first and second switching valve devices (3a) and (3b) are open / close valves.

FIG. 7 is an explanatory diagram of an embodiment in which the on-off valve is a control valve (V ₁ ) (V ₂ ).

[Explanation of symbols]

 (1a) ・ ・ ・ Outward route (1b) ・ ・ ・ Foot route (1c) ・ ・ ・ Return circuit (2) ・ ・ ・ Piping device (B) ・ ・ ・ Bathtub (1) ・ ・ ・ Circulating water heater (P) ・ ・ ・ Circulation pump (12) ・ ・ ・ Back side outlet circuit (13) ・ ・ ・ Foot side outlet circuit (14) ・ ・ ・ Communication pipe (15) ・ ・ ・ Communication pipe (3a) ・ ・ ・First switching valve device (3b) -Second switching valve device

Claims (1)

[Claims] 1. A back outward route (1a) and a foot outward route (1b) for bubble bath operation and an inlet side connecting portion thereof, and further a feedback circuit (1c) and an outlet side connecting portion thereof. Piping equipment equipped
Circulating water heater connected to the bathtub (B) with built-in (2)
(1) The inlet side connection part to the circulation function part equipped with the circulation pump (P), the back side outward route (1a) and the foot side outward route (1b)
In a circulating water heater for a bubble bath device, which is equipped with a back side / foot side outlet circuit (12) (13) connected to each other, the back side outlet circuit (12) and the foot side outlet circuit (13) are mutually connected. Pair of communication pipes (14)
(15) is provided, a first switching valve device (3a) is provided at a branch portion from the back side outlet circuit (12) to the communication pipe (14), and a foot side outlet circuit (13) is connected to the communication pipe (14). A second switching valve device (3b) is provided in each of the branch portions, and the first switching valve device (3a) is a back side outlet circuit (12).
It is configured to be able to switch between a state in which only the fluid is communicated, and a state in which the downstream side of the branch point in the back side outlet circuit (12) is blocked and the upstream side and the communication pipe (14) are communicated, The second switching valve device (3b) shuts off the state where only the foot side outlet circuit (13) is in communication and the downstream side of the branch point in the foot side outlet circuit (13) to connect with this upstream side. (15) A circulating water heater for a bubble bath device, which is configured to be able to switch to a state where it is in communication with (15).