JPH03129021A - Drain connector for bath tub - Google Patents

Abstract

PURPOSE:To simplify the structure of a side wall of a bath tub by providing a drain opening in a main body section of a drain connector fitted in the bottom section of the bath tub, and providing pipe line connectors connected to outgoing and return passages of a circuit in a bath water boiling device. CONSTITUTION:A main body section 3 of a drain connector fitted to the bottom section of a bath tub is divided into a drain chamber 3a and a hot water feed chamber 3b which are opened at their upper ends to the inside of the bath tub. A first pipe line connector J1 communicated with the hot water feed chamber 3b is provided in the barrel section of the main body part 3, and a second pipe line connector J2 is provided in the wall of the drain chamber 3a. Then, the connectors J1, J2 are connected to return and outgoing passages 22, 21 for a circuit in a bath water boiling device. Further, a plug 32 is opened and closed by a manipulating means so as to drain the bath tub, and with the use of both connectors J1, J2, supply of hot water, additional heating and circulation heating and the like can be made. With this arrangement, no connectors for hot water supply circuit, drain circuit and the like are required on the wall surface of the bath tub, thereby it is possible to simplify the structure of the wall surface of the bath tub.

Description

[Detailed Description of the Invention] [Field of Application and Summary of the Invention] The present invention relates to a drain cap for a bathtub. Conventionally, this drain cap was used exclusively as a drainage function part, but it can be used for hot water supply or circulation. By also functioning as a heating piping connection, the structure of the bathtub wall is simplified.

[Prior art and its problems] The drain fitting provided at the bottom of a conventional bathtub is only configured to accommodate a drain plug, and is not suitable for so-called hot water filling type bath devices that supply heat directly into the bathtub. , a circulating heating type bath device that reheats the hot water in the bathtub to a desired temperature by circulating heating, and a type that increases the temperature of the water in the bathtub by supplying high-temperature hot water from a water heater to the bathtub. In order to connect a bath device to a bathtub, a cap for connecting a hot water supply circuit is provided separately from the drain cap.

Therefore, in order to create a bathtub for connecting these bath devices, it is necessary to provide at least one cap in addition to the drainage cap on the side wall of the bathtub, and post-processing after manufacturing the bathtub is done on the surface side.

The present invention has been made in view of these points, and an object of the present invention is to enable connection of a hot water supply circuit using a drain fitting provided at the bottom of a bathtub.

*(Regarding the invention of claim 1) [Technical means] The technical means of the present invention taken to solve the above problem is to open the drain cap upward and attach the open end to the bottom of the bathtub. A bottomed cylindrical base bale main body (3), a drainage opening (33) opened at the bottom of the main body (3), and a stopper (33) for opening and closing this drainage opening (33). 32) and
It comprises an operating means for opening and closing the stopper (32), and at least one piping connection (J) formed on the body or bottom of the main body (3).

[Effect] The above technical means of the present invention operates as follows.

Since there is at least one pipe connection part (J) in the trunk or bottom of the main body part (3), this pipe connection part (J
) can be used to connect hot water piping. Therefore, when a hot water supply pipe is connected to this pipe connection part (J), hot water from this hot water supply pipe reaches the inside of the bathtub from inside the main body part (3) via the pipe connection part (J).

When this hot water supply piping is a hot water supply piping for a high-temperature hot-water bath device, it is possible to reheat the water through this piping connection part (J).

When draining water, use a stopper (3) that closes the drainage opening (33).
2) is opened by operating means. Since the inside of the main body part (3) is open at the upper end and communicates with the inside of the bathtub, hot water in the bathtub is thereby drained from the drainage opening (33).

[effect] Since the present invention has the above configuration, it has the following unique effects.

Since the hot water supply piping can be connected while the drainage function is still provided, there is no need to prepare a separate cap for the hot water supply piping even when connecting a bath device, and in this respect, the structure of the bathtub can be simplified.

Additionally, if you connect a so-called high-temperature hot water bath device that reheats the bath by supplying high-temperature hot water to the bathtub, the hot water from the bottom of the bathtub will reach the entire bathtub, causing the bathtub to become hot. The temperature difference between the top and bottom becomes smaller.

*(Regarding the invention of claim 2) The invention of claim 2 solves the same problem as the invention of claim 1 above, and also makes it possible to configure a circulation circuit between the inside of the bathtub and the bath device. It is. The means for this purpose includes a drainage chamber (3a) having a drainage opening (33) inside the r main body part (3) by a partitioning body (4), and a hot water supply chamber (3a) including at least the body of the main body part (3). 3b), both the body of the main body part (3) are opened into the bathtub, and a pipe connection part (J) is provided in the body of the hot water supply chamber (3). It is composed of a first connection part (J1) and a second connection part (J2) provided on the constituent wall of the drainage chamber (3a).

According to this technical means, the inside of the main body part (3) is divided into a drain chamber (3a) and a hot water supply chamber (3b), both of which are open to the bathtub side, and the pipe connection part (J) has a first connection part ( J1), but since there is a second connection part (J2) in the other drainage chamber (3a), the return path of the circulation circuit of the bath device (the circuit of the bathtub in the JII bath device) is connected to the first connection part (J1) of the former. ), connect the outgoing route of the circulation circuit (bathtub=:>bath equipment circuit) to the latter's second connection (J
If the piping is connected to 2), a circulation circuit will be constructed through the two units in the main body part (3), and a circulation heating type bath device can be connected.

*(Regarding the details of claim 3) The invention of claim 3 solves the same problem as the invention of claim 1 above, and also makes it possible to drain the water in the bathtub to a position away from the bathtub. This simplifies circuit connection.

The means for this purpose is ``a bottomed cylindrical main body with a drain cap that opens upward and whose open end is attached to the bottom of the bathtub.''
3), a hot water supply port opening in the body of the main body (3), and a drainage opening (33) opening in the bottom of the main body (3).
and a hot water supply circuit connection part provided at the hot water supply opening, and a drainage circuit connection part for connecting a drainage circuit provided in the drainage opening (33) and equipped with a drainage opening/closing valve. It is.

According to this technical means, the hot water supply port of the main body part (3) is provided with a hot water supply circuit connection part, and the drainage opening (33) is provided with a drainage circuit for connecting a drainage circuit provided with a drainage on/off valve. Since the connection part is provided, it is possible to connect a hot water supply circuit of a high temperature spigot type or a hot water supply circuit for hot water filling to the hot water supply inlet part, and also,
Drainage can be conducted away from the drainage opening (33). or,
The on-off valve of this drainage circuit and the drainage circuit are connected to the equipment of the bath equipment (
It is also possible to build it in, and in this case, the hot water supply circuit and the drainage circuit can be configured simply by connecting the drain circuit and hot water supply circuit of the appliance to the drain cap.

[Embodiments] Hereinafter, embodiments of the present invention will be explained based on FIGS. 1 to 7.

The first embodiment shown in FIGS. 1 to 3 is a drain fitting that can connect the inside of a bathtub (B) to a forced circulation heating type bath device, and the main body (3) has a cylindrical shape. The annular hot water supply chamber (3b) is divided by the partition body (4) into a drainage chamber (3a) surrounded by the annular hot water supply chamber (3b).

This drainage chamber (3a) is formed with a cylindrical drainage opening (33) into which a plug (32) is inserted, and a shaft (37) connected to the plug (32). A filter (36) is provided at the upper end, and this filter (36) is in contact with the collar (41) at the upper end of the partition (4). Note that the shaft portion (37) is adjusted so that the drainage opening (33) is exactly closed when the partition body (4) and the collar portion (41) are in contact with each other.
) length is set.

The height of the flange (41) is set slightly higher than the flange (F) at the upper end of the main body (3),
Moreover, a certain gap is provided between the outer peripheral edge of the flange portion (41) and the open upper end portion of the main body portion (3).

The main body part (3) has a first connection part (J1) on the body part for connecting the return path (22) returning from the bath device (1) to the bathtub.
), and a cap nut (N) is screwed into this first connection portion (, r+).

Near the drainage opening (33) at the bottom of the main body (3), there is a
A second connection part (J2) is provided, and this second connection part (J2
) is bent into an L-shape, and a cap nut (N) is similarly screwed into its tip. An outgoing path (21) from the bathtub (B) to the bath device (1) is connected to this first connection portion (J2).

To connect the bath equipment and bathtub using this drainage cap, as shown in Figure 2, connect the heat exchanger (11) for circulation heating to the bathtub (B), and connect the circulation pump ( Connect the outgoing route (21) of the circulation circuit (2) into which P) is inserted using a cap nut (N) to the second connection part (J2), and the other return route (22) to the second connection part (J2) using a cap nut (N). The first connecting portions (J1) are connected to the body portion of the main body portion (3).

As a result, the bathtub (B) => second connection part (J2) -
Outward route (21), pump (P), φ heat exchanger (11), intermediate return route (22), first connection part (J1), opening of bathtub (B), and circulation circuit power X' will be configured.

In addition, in this example, the heat exchanger (11) and the pump (P
) A switching valve (25) is disposed downstream of the pump (P) on the outgoing path (21) in the bath device (1) that accommodates the pump (P), and a discharge pipe (26) branched from the switching valve (25). is the bath equipment (
It hangs down from the bottom wall of 1) into the drainage ditch (M).

Although this filter (36) is a metal disk having a large number of through holes as shown in the figure, it may also be a synthetic resin plate or sheet made of a porous material.

In the above embodiment, when heating the inside of the bathtub CB), the heat exchanger (11) and the pump (P) are in operation, and heat is exchanged from the main body part (3) through the second connection part (J2). The hot water in the bathtub (B) that has flowed into the vessel (11) is heated and heated by this heat exchanger (11), and then flows from the return path (22) into the bathtub (B) via the first connection part (J1). It is discharged. At this time, the collar portion (41) functions as a dispersion plate,
The discharged hot water is distributed horizontally and then transferred to the bathtub (B).
rise within. Therefore, in the reheating state, the high-temperature discharged hot water is efficiently dispersed from the bottom of the bathtub (B) to the upper area, and is reliably mixed with the hot water in the bathtub.

Further, during the above-mentioned circulating heating, the filter (36) can prevent dust and the like from entering the circulation circuit (2).

Next, two methods can be adopted to drain the hot water in the bathtub (B), one of which is to connect the circuit of the switching valve (25) in the bath device (1) with the pump (P). The pump (P) is brought into operation by switching to a mode in which it communicates with the discharge pipe (26). Then, the bath flowed into the main body part (3)! (B)
The hot water inside is from the second connection (J 2 ) to the pump (P).
=>Switching valve (25) = 5 discharge pipe (2δ) = 5 drain groove (M
). In addition, this operation section is
Normally, it can be operated by a control panel serving as a remote control section of the bath device (1), and in this embodiment, a control circuit as shown in FIG. 3 is incorporated. Therefore, when the drainage operation unit (28) provided on the control panel is operated, the switching valve (25) switches to the predetermined communication state and the pump (P) becomes operational at the same time, and the drainage progresses and is completed. At this point, the operation of the pump (P) is stopped by the output of the water flow switch (27) provided in the return path (22). In the case of this drainage operation, the drainage is automatically completed by operating the drainage operation section (28), and when the drainage is completed, the pump (P) is turned off.
operation is automatically stopped.

The next drainage method is to drain water manually, by pulling the hanging fitting (38) provided in the center of the filter (36) and integrally connecting the filter (36) and the drain plug body (32). This is a method of opening the drainage opening (33) by pulling it out, and in this case, water is drained from the drainage opening (33) into the drainage groove (M).

In addition, in the above embodiment, the hot water supply room (3b) has a main body part (
3) are arranged alternately around the entire inner circumference of the main body (
3), and correspondingly, the brim part (
It is also possible to make 41) only the forming part of the piping connection part (J). Furthermore, it is also possible to adopt a configuration in which a portion of the hot water discharged from the first connection portion (J I ) is dispersed in the horizontal direction, and the other portion is discharged upward as it is.

Roughly speaking, in the illustrated embodiment, a heat exchanger (12) for hot water supply is also built into the bath device (1), and one side of this hot water supply circuit is connected to the circulation circuit (2), and the return path (22) is connected to the circulation circuit (2). ) to bath [
(B) Hot water can be supplied inside the building.

Therefore, even during so-called hot water filling, water is supplied from the first connection part (J1) to the seven valley tank (B).

In addition, in the above embodiment, a bath device that circulates and heats the inside of the bathtub (B) has been described, but it is also possible to use this as a base of a high-temperature vortex water heater.

In this case, as shown in Figures 4 and 5, one piping connection (J) is provided at the bottom of the main body (3), and the interior of the main body (3) is divided into a hot water supply chamber and a drainage chamber. The configuration is to be used for both.

Then, a heat exchanger (12) for hot water supply and the piping connection part (
J) Insert a check valve (G) into the hot water supply circuit (20) that tightens the water supply system, and insert a drainage pump (P) into the bypass circuit (29) that bypasses the check valve (G). A discharge pipe (from the bypass circuit (29) into which the switching valve (25) is inserted)
26) is branched to face the drainage ditch (M). Both the pump (P) and the check valve CG) can be brought into operation by the drainage operation section (28) of the operation section, and the pump (P) can be put into operation by the drainage operation section (28).
When the switching valve (25) is opened while the water is in operation, water is automatically drained via the hot water supply circuit (20). Needless to say, in this case as well, drainage can be carried out in the same manner as in the past by forcibly opening the stopper (32).

Incidentally, the same structure as in the first embodiment can be adopted as the device for automatically stopping the drainage operation when the drainage is completed.

Next, a third embodiment shown in FIG. 6 corresponds to the invention of claim 3, in which the second connection part (J2) is disposed at the bottom of the main body part (3) and the opening end is connected to the hot water supply. Mouth and another first
The connecting part (J1) is arranged in the body of the main part (3), and its open end is used as a drainage opening (33), so that the inside of the main part (3) is configured to serve both as a hot water supply chamber and a drainage chamber. . A second connection part (J2), which connects the hot water supply heat exchanger (12) and the first sewn part (J) and has a drainage opening, is built into the bath device (1). It is connected to the discharge pipe (26) into which the on-off valve (251) is inserted. And this discharge pipe (26
), insert the drainage pump (P) into the drain pipe (26), and connect the downstream end of the discharge pipe (26) to the drainage groove (M). : I am present. Both the pump (P) and the on-off valve (251) can be brought into operation by the drainage operation section (28) of the operation section, and the pump (P) can be put into operation by the drainage operation section (28). When the on-off valve (251) is opened at the same time, the water is drained into the automatic tank via the discharge pipe (26).

It should be noted that the second embodiment is similar to the second embodiment in that the same structure as the first embodiment can be adopted for the device for automatically stopping the drainage operation when the drainage is completed. Further, depending on the arrangement of the discharge pipe (26), the pump (P) is not necessarily required. In other words, it can be a natural drainage type.

The fourth embodiment shown in FIG. 7 allows the inside of the bathtub to be cleaned immediately before or during the draining process when draining the hot water in the bathtub (B). The water level sensor (S) is configured to detect what stage the process is in, and this water level sensor (S) is disposed at the bottom of the drain chamber (3a) of the main body (3).

The brim (41) at the upper end of the partition body (4) has a tapered surface with the tip facing upward, and the inner end surface of the upper end of the main body (3) also has the tapered surface. They are tapered surfaces that face each other with a certain gap. The partition bodies (4) are disposed about half a circle around the inner circumference of the main body (3)↓, and have a vertically divided semi-cylindrical shape as a whole.

Both the first connection part (J1) to which the return route (22) is connected and the second connection part (J2) to which the outbound route (21) is connected are configured in the same manner as in the first embodiment, but in this embodiment, The return path (22) side is made to function as a water supply circuit or a hot water supply circuit, and a solenoid valve (V) for controlling the shower cleaning operation is inserted in this return path (22).

These solenoid valves (V) and pumps (P) as well as the discharge pipes (2
The switching valve (25) inserted in the switch valve (25) is controlled by the electric circuit shown in the same figure, and when the drainage operation section is operated, the excitation coil of the switching valve (25) and the pump (P) are activated. Electricity is established and drainage operation progresses. and,
Whether or not this drainage operation is completed is detected by the water flow switch (27) as in the first embodiment.

As drainage progresses and the water level in the bathtub (B) falls to a certain level, the water level sensor (S) detects this and returns to the closed state, and the timer (C) controls the solenoid valve (V). becomes conductive. As a result, the output contact of this timer (T) is closed, the excitation coil of the solenoid valve m is made conductive, and water or hot water is supplied from the return path (22) for a certain period of time.

At this time, since the gap between the flange (41) and the upper end of the main body (3) is a predetermined gap, the water discharged from this gap becomes a shower and reaches the bathtub wall. The scale and dirt adhering to the drain are washed away and reach the drain chamber (3a). This cleaning operation ends when the set time of the timer (T) has elapsed, and at this time, the solenoid valve (v) returns to the closed state and water supply or hot water supply from the return path (22) is stopped. In other words, the discharge of shower-like water is stopped.

The draining operation continues during this cleaning process, and when the draining is completed after cleaning is completed, the pump (P) becomes non-conducting due to the output of the water flow switch (27) and its operation is stopped. At the same time, the switching valve (25) also returns to the closed state.

In addition, when adding a cleaning function in this way, as shown in the figure, the hot water supply chamber (3b) is arranged only on one side of the main body part (3), and the arrangement of this hot water supply chamber (3b) is changed. It is best to limit the installation location to the side wall of the bathtub. This is because the discharged water after cleaning flows smoothly from the filter (36) to the discharge chamber (3a).

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the first embodiment of the present invention, Fig. 2 is an explanatory diagram of a bath device using this, Fig. 3 is an electric circuit diagram for automatic drainage, and Figs. 4 and 5 are FIG. 6 is an explanatory diagram of the second embodiment, FIG. 6 is an explanatory diagram of the third embodiment, and FIG. 7 is an explanatory diagram of another embodiment. (3) Main body (B) Bathtub (32) Stopper (33) Drain opening (3a) Drain chamber (3b) Hot water supply chamber (4 )...Dividing body (J)...Piping connection part

Claims (3)

[Claims] (1) A drainage mouthpiece installed in a bathtub, which has a bottomed cylindrical main body part (3) that opens upwardly and whose open end is attached to the bottom of the bathtub, and this main body part. A drainage opening (33) opened at the bottom of (3) and a drainage opening (33) opened at the bottom of the drainage opening (3).
3) A plug (32) for opening and closing, an operating means for opening and closing the plug (32), and at least one piping connection (J) formed on the body or bottom of the main body (3). A drain fitting for a bathtub consisting of. (2) The interior of the main body (3) is divided by a partition (4) into a drainage chamber (3a) having a drainage opening (33) and a hot water supply chamber (3b) including at least the body of the main body (3). At the same time, the upper ends of the two chambers are opened into the bathtub, and the piping connection part (J) is connected to the hot water supply chamber (3b) and the main body part (3
) and the first connection part (J_1) provided on the body of the drain chamber (3
The draining cap for a bathtub according to claim 1, comprising a second connecting portion (J_2) provided on the constituent wall of (a). (3) A drainage cap installed in a bathtub, which has a bottomed cylindrical main body part (3) that opens upwardly and whose open end is attached to the bottom of the bathtub; (3); a water supply opening (33) that opens in the body of the main body (3); a drainage opening (33) that opens in the bottom of the main body (3); a hot water supply circuit connection part provided in the hot water supply opening; A drain cap for a bathtub comprising a drain circuit connection part provided in an opening (33) and for connecting a drain circuit equipped with a drain shut-off valve.