JP2009060984A - Bathtub - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To realize a structure permitting a bathtub to be used also as a mist shower and a mist sauna without complicating the bathtub by providing not only a cleaning nozzle but also a mist nozzle capable of jetting a mist in the handgrip of the bathtub. <P>SOLUTION: The bathtub has the handgrip on the inside wall of the bathtub, and the cleaning nozzle jetting bath water to clean the interior of the bathtub and the mist nozzle to jet bath water to allow a user to take a mist bath in the bathtub are attached to the handgrip. The handgrip has a hollow portion, and the hollow portion is a piping passage supplying bath water to the cleaning nozzle or the mist nozzle and the piping passage of the hollow portion is split into a cleaning piping portion supplying bath water to the cleaning nozzle and a mist piping portion supplying bath water to the mist nozzle. A selector switch switches the supply of bath water between the cleaning piping portion and the mist piping portion. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bathtub, and more particularly to a bathtub in which a washing nozzle and a mist nozzle are provided in a hand grip of the bathtub, and a piping path is switched by a switching valve so that washing water or mist can be ejected into the bathtub.

  Although the structure which attaches a handle to a bathtub or provides a washing nozzle in order to wash the inside of a bathtub is known conventionally, what provided the washing nozzle in the handle of a bathtub is also known (refer to patent documents 1).

And what attaches a mounting part to the upper surface of a bathtub in a bulging shape, attaches a some nozzle to an attaching part, and ejects warm water from a nozzle is known (refer patent document 2). Furthermore, a circular pipe is provided around the entire periphery of the opening of the bathtub, and a water spray hole is continuously provided on the inner wall of the circular pipe (see Patent Document 3).
Japanese Utility Model Publication No. 4-77868 Japanese Utility Model Publication No. 5-78229 JP-A-8-24150

  As described above, conventionally, a configuration in which a washing nozzle is provided in a bathtub is known. By the way, if a mist nozzle is provided in the bathtub and the hot water can be ejected (sprayed) in the form of a mist, the user can use it as a mist shower or a mist sauna without adding hot water into the bathtub, and widens the use of the bathtub. It is also possible. However, when a mist nozzle is provided in the bathtub in addition to the cleaning nozzle, the bathtub has a complicated structure.

  In view of the above-described conventional situation, the present invention provides not only a washing nozzle, but also a mist nozzle capable of ejecting hot and cold water in a mist shape, so that the bathtub does not have a complicated structure. An object of the present invention is to realize a configuration that can be used as a mist shower or a mist sauna.

  In order to solve the above problems, the present invention is a bathtub having a hand grip on an inner wall surface, and a washing nozzle that jets hot water for washing the inside of the bathtub to the hand grip, and a mist bath in the bathtub There is provided a bathtub characterized in that a mist nozzle for ejecting hot water is attached.

  The handgrip preferably includes a hollow portion formed hollow inside, and the hollow portion serves as a piping passage for supplying hot water to the washing nozzle or the mist nozzle.

  The hollow pipe passage is divided into a cleaning pipe section that supplies hot water to the cleaning nozzle and a mist pipe section that supplies hot water to the mist nozzle, and the supply of hot water to the cleaning pipe section and mist piping section is a switching valve. It is preferable to be switched by.

  It is preferable that the cleaning nozzle is attached to the upper part of the hand grip and the mist nozzle is attached to the lower part of the hand grip.

  According to the bathtub of the present invention, the washing nozzle and the mist nozzle are incorporated in the hand grip of the bathtub and can be ejected in the form of a mist, so that not only the washing function of the bathtub but also the mist shower is not required. Or it can be used as a mist sauna, and the function of the bathtub can be expanded.

  The best mode for carrying out the bathtub of the present invention will be described below with reference to the drawings based on the embodiments.

  1-3 is a figure explaining the characteristic structure of the bathtub 1 of this invention. As for the bathtub 1 of this invention, the hand grip 3 as shown in FIG. The hand grip 3 includes an upper part 4, a lower part 5, and an elbow 8. Although the upper part 4 and the lower part 5 of the handgrip 3 will be described later, each of them has a hollow part, and these hollow parts serve as piping passages for supplying hot water. Divided into piping sections. Thus, the hollow part of the hand grip 3 is used as a piping passage, and a washing function of a bathtub, a mist shower, or a mist sauna can be realized with a simple structure without using a dedicated piping member.

  As shown in FIGS. 1 and 2, the upper portion 4 of the hand grip 3 extends in the longitudinal direction (longitudinal direction) of the bathtub 1 and is formed along the inner wall surface 2. The lower side portion 5 is formed to extend downward from one end side of the upper side portion 4. The elbow 8 connects the one end 6 of the upper part 4 and the upper end 7 of the lower part 5 to each other and fixes them to the inner wall surface 2 of the bathtub 1.

  As shown in FIGS. 3A and 3B, the elbow 8 includes an upper fixing recess 10 that fits the one end 6 of the upper portion 4 of the handgrip 3 and fixes it with a receiving screw 9, and the handgrip 3. A lower fixing recess 11 that fits the upper end portion 7 of the lower side portion 5 and fixes it with the receiving screw 9, a mounting portion 12 that extends laterally through the inner wall surface 2 of the bathtub 1, and a tip side of the mounting portion 12 And a screw portion 14 that is fixed to the inner wall surface 2 of the bathtub 1 by screwing a nut 13.

  As shown in FIGS. 2A and 2B, the upper portion 4 of the handgrip 3 has a substantially tangential shape in plan view, and is formed in a pipe shape. The hollow portion 15 is hot water for washing the bathtub. (In the present specification, it is called “washing water”), which functions as a washing pipe part of a pipe passage for supplying a pipe, and its one end part 6 is formed with a solid part as shown in FIG. 15 is closed.

  The other end 16 of the upper portion 4 of the handgrip 3 is formed to be bent as shown in FIG. The other end portion 16 includes a mounting portion 17 that extends laterally through the inner wall surface 2 of the bathtub 1, and a screw portion 18 that is formed at the tip of the mounting portion 17 and is screwed onto the nut 13 to be fixed to the bathtub 1. It has. Then, a cleaning water supply pipe 20 is attached to the screw portion 18 by a coupling 19 or the like.

  Furthermore, a plurality (two in this embodiment) of cleaning nozzles 21 are provided on the upper portion 4 of the hand grip 3. As shown in FIG. 2 (b), the cleaning nozzle 21 includes a side portion 22 facing the inner wall surface 2 to which the handgrip 3 is attached and both longitudinal end portions 23 (front end portion and rear end portion) of the bathtub 1. Nozzle holes 24 are formed for jetting cleaning water toward the inner wall surface 2. The plurality of cleaning nozzles 21 are provided at appropriate intervals in the longitudinal direction of the hand grip 3. Since the cleaning nozzle 21 is attached to the upper part 4 of the handgrip 3 in this way, the wash water flows down from the upper part to the lower part at the opposite side part 22 and both end parts 23, so that the bathtub can be washed over a wide area and washed. Easy to secure performance.

  The lower part 5 of the handgrip 3 is substantially L-shaped as shown in FIG. 3 (b), and is attached along the inner wall surface 2 in the vertical direction of the bathtub 1. The lower side portion 5 of the hand grip 3 is formed in a pipe shape, and the hollow portion 25 has a mist piping portion of a piping passage for supplying hot water for performing a mist bath (referred to as “mist hot water” in this specification). However, as shown in FIGS. 3 (a) and 3 (b), a solid part is formed on the upper end part 7 and the hollow part 25 is closed.

  The lower end portion 26 of the lower side portion 5 of the handgrip 3 is formed to be bent as shown in FIG. The lower end portion 26 includes a mounting portion 27 that extends rearward through the inner wall surface 2 of the bathtub 1, and a screw portion 28 that is positioned on the distal end side of the mounting portion 27 and is screwed onto the nut 13 to be fixed to the bathtub 1. It has. A mist hot water supply pipe 29 is attached to the screw portion 28 by a coupling 19 or the like.

  A plurality (two in this embodiment) of mist nozzles 30 are provided on the lower portion 5 of the hand grip 3. The mist nozzle 30 is formed so as to eject hot water mist toward a bather in the bathtub 1. The mist nozzle 30 is formed with a mist outflow hole 31 having a small diameter, and mist hot water supplied from a mist hot water supply pipe 29 is ejected as a mist composed of fine water droplets.

  Although the structure of the hand grip 3 in the bathtub 1 of the present invention is as described above, supply of hot water for supplying cleaning water to the cleaning nozzle 21 provided in the hand grip 3 and supplying mist hot water to the mist nozzle 30 is provided. The overall configuration of the piping apparatus will be described below with reference to the block diagram shown in FIG.

  The hot water supply piping device includes a cleaning water supply pipe 20 that supplies cleaning water to the cleaning nozzle 21, a mist hot water supply pipe 29 that supplies mist hot water to the mist nozzle 30, and a functional unit 35 that supplies cleaning water and mist hot water. And a detergent supply tank 36 that is a detergent supply unit that supplies detergent to the functional unit 35, and a hot water supply unit 37 that supplies hot water to the functional unit 35.

  As shown in FIG. 4, the cleaning water supply pipe 20 and the mist hot water supply pipe 29 are each connected to a switching three-way valve 38, and the switching three-way valve 38 is connected to a venturi 40 via a supply pipe 39. .

  The hot water supply unit 37 is a device that heats water and supplies it as hot water. Usually, a hot water heater that supplies hot water to the bathtub 1, the faucet 41, the kitchen, or the like is used. The hot water supply unit 37 is supplied with tap water from the water pipe 42 and is also supplied with hot water from the bathtub 1 through the recirculation pipe 43 and heated to supply hot water from the bathtub supply pipe 43 ′ to the bathtub 1. Supplied.

  The hot water supply unit 37 is controlled by operations of the cleaning / mist switching remote controller 44, the bathroom remote controller 45, the kitchen remote controller 46, and the like. Hot water is supplied from the hot water supply unit 37 to the functional unit 35 and the faucet 41 through the hot water supply pipe 47.

  The functional unit 35 has a water passage portion 48, and in this water passage portion 48, a filter 49, a water amount servo valve 50, a flow rate sensor 51, a pouring electromagnetic valve 52, a check valve 53, and an edge cut valve 54 are sequentially provided. A check valve 55 and a venturi 40 are arranged. Further, the functional unit 35 includes a detergent electromagnetic valve 56 that communicates with the venturi 40.

  Each device provided in the water passage portion 48 is controlled by the control device 57. When a cleaning start signal from the control device 57 is sent to the pouring electromagnetic valve 52, the pouring electromagnetic valve 52 is opened, and hot water is sent from the hot water supply unit 37 through the hot water supply pipe 47 into the functional unit 35. The filter 49 of the functional unit 35 receives and filters the hot water discharged from the hot water supply unit 37, and the flow rate sensor 58 measures the instantaneous flow rate (flow rate / time) of the hot water and transmits a measurement signal to the control device 57. To do.

  The control device 57 transmits the measured value to the water amount servo valve 50, and the water amount servo valve 50 appropriately controls the degree of opening or closing of the valve according to the measured value, and the cleaning nozzle 21 supplies the cleaning water or The mist nozzle is controlled every moment so that the flow rate is suitable for ejecting mist hot water. The two check valves 53 and 55 prevent the backflow of the wash water, and the edge cut valve 54 discharges the wash water stopped by the check valves 53 and 55 from the water passage portion 48 to the outside of the functional unit 35 through the drain pipe. To do.

  The detergent supply tank 36 is a tank into which the detergent liquid is filled, and the state of filling of the detergent liquid is detected by the float switch 58. When the filling amount decreases, the detection signal is transmitted to the control device 57, and the control device 57 Is configured to generate a detergent out signal.

  The control device 57 is operated by the cleaning / mist switching remote controller 44. When this cleaning / mist switching operation is performed, the switching three-way valve 38 is switched to the cleaning water supply pipe 20 side and the pouring electromagnetic valve 52 is opened. Then, a certain amount of hot water as cleaning water is supplied to the cleaning nozzle 21. The controller 57 controls the detergent solenoid valve 56 to open while the pouring solenoid valve 52 is open, and supplies the detergent liquid to the venturi 40 through the detergent supply pipe 59.

  The detergent solution supplied to the venturi 40 is mixed into hot water passing through the venturi 40. Accordingly, cleaning water containing detergent is prepared and supplied to the cleaning nozzle 21 through the supply pipe 39, the cleaning hot water supply pipe 20 and the hollow portion 15.

  When the mist switching operation is performed by the cleaning / mist switching remote controller 44, the switching three-way valve 38 is switched to the mist hot water / water supply pipe 29 side and the pouring electromagnetic valve 52 is opened. The control device 57 supplies hot water from the functional unit 35 to the mist nozzle 30 through the supply pipe 39, the mist hot water supply pipe 29, and the hollow portion 25 while the pouring electromagnetic valve 52 is open.

(Function)
The effect | action of the bathtub 1 of this invention of the above structure is demonstrated below. When the bathtub 1 is washed, the switching three-way valve 38 is switched to the washing water supply pipe 20 side by the control device 57 operated by the washing / mist switching remote controller 44, the detergent solenoid valve 56 is opened, and the pouring solenoid valve 52 is further opened. Then, hot water serving as cleaning water flows from the hot water supply unit 37 through the water passage 48 of the functional unit 35.

  In the water passage 48 of the functional unit 35, the instantaneous supply flow rate (supply flow rate / time) of hot water is measured by the flow rate sensor 58, and the controller 57 controls the opening / closing of the water amount servo valve 50 based on the measured value. The supply flow rate is adjusted every moment, and the detergent liquid is further mixed by the venturi 40. The detergent liquid is supplied to the upper portion 4 of the handgrip 3 through the washing water supply pipe 20 as detergent-containing washing water, and sent to the washing nozzle 21. The washing water ejected from the washing nozzle 21 is ejected to the inner surface of the bathtub 1 and cleaning is performed.

  When the mist is ejected, the control device 57 operated by the washing / mist switching remote controller 44 switches the switching three-way valve 38 to the mist hot water supply pipe 29 side, closes the detergent solenoid valve 56, and opens the pouring solenoid valve 52. Hot water as washing water is supplied from the hot water supply part 37 to the lower side part 5 of the hand grip 3 through the water passage part 48 of the functional unit 35, and mist is ejected from the mist nozzle 30 toward the user in the bathtub 1. .

  As in the case of supplying cleaning water, in the water passage 48 of the functional unit 35, an instantaneous supply flow rate (supply flow rate / time) of hot water is measured by the flow sensor 51, and the control device 57 is based on the measured value. Controls the opening and closing of the water volume servo valve 50 to adjust the supply flow rate every moment. In such ejection of the mist nozzle 30, there are two modes of use: “mist shower” and “mist sauna”.

  In the mist shower, the washing / mist switching remote controller 44 is switched to the mist side without filling the bathtub 1 with hot water, the hot water supply temperature of the hot water supply unit 37 is automatically set to around 40 ° C., and the switching three-way valve 38. Can be switched to the mist hot water supply pipe 29 side, and mist can be ejected. The bather in the bathtub 1 may receive a mist, and the hot water temperature of the mist hot water may be manually set as required by the bather.

  In the mist sauna, the hot water is not filled in the bathtub 1, the switch of the washing / mist switching remote controller is turned on, the hot water supply temperature of the hot water supply unit 37 is automatically set to around 48 ° C., and the switching three-way valve 38 is set to the mist hot water. Switch to the supply 20 pipe side and perform mist ejection. In this case, the bathtub 1 is covered and the bather in the bathtub 1 can receive the mist and can take a mist sauna bath. The hot water supply temperature of the mist hot water may be configured so that the bather can manually set the hot water temperature using the bathroom remote controller 45 as necessary.

  As mentioned above, although the best form for implementing the bathtub concerning this invention was demonstrated based on the Example, this invention is not limited to such an Example, The technique described in the claim It goes without saying that there are various embodiments within the scope of the subject matter.

FIG. 1 is a perspective view of an essential part for explaining an embodiment of a bathtub of the present invention, and is a diagram for explaining a characteristic configuration of the present invention. It is a figure explaining the structure of each part of the Example of the bathtub concerning this invention, (a) is a principal part horizontal sectional view, (b) is a top view. It is a figure explaining the structure of each part of the Example of the bathtub which concerns on this invention, (a) is a principal part vertical sectional view, (b) is a vertical sectional view of a principal part. It is a block diagram explaining the whole hot water supply piping apparatus which supplies the wash water and mist hot water to the washing nozzle and mist nozzle of the bathtub which concern on this invention.

Explanation of symbols

1 Bathtub
2 Inner wall surface of bathtub
3 Hand grip
4 Upper part of hand grip
5 Hand grip lower side
6 One end of the upper part of the hand grip
7 Upper end of the lower part of the hand grip
8 Elbow
9 Screw
10 Elbow upper fixing recess
11 Lower elbow fixing recess
12 Elbow mounting
13 Nut
14 Elbow thread
15 Hollow part of the upper part of the hand grip
16 The other end of the upper part of the hand grip
17 Mounting part on the upper side of the hand grip
18 Screw part on the upper part of the hand grip
19 Coupling
20 Washing water supply pipe
21 Cleaning nozzle
22 Side of bathtub
23 Both ends of the bathtub in the longitudinal direction
24 Nozzle hole of cleaning nozzle
25 Lower hollow part of the handgrip
26 Lower end of the lower part of the hand grip
27 Mounting part on the lower side of the hand grip
28 Screw part on the lower side of the hand grip
29 Mist hot water supply pipe
30 Mist nozzle
31 Small diameter mist outlet
35 functional units
36 Detergent supply tank
37 Hot water supply section
38 switching three-way valve
39 Supply pipe
40 Venturi
41 faucet
42 Water pipe 43 Piping pipe
43 'Bathtub supply pipe
44 Washing / mist switching remote control
45 Bathroom remote control
46 Kitchen remote control
47 Hot water supply pipe
48 Water passage
49 Filter
50 Water servo valve
51 Flow sensor
52 Pouring solenoid valve
53, 55 Check valve
54 Edge cut valve
56 Detergent solenoid valve
57 Controller
58 Float switch
59 Detergent supply pipe

Claims (4)

  A bathtub equipped with a handgrip on the inner wall, with a cleaning nozzle that ejects hot water for cleaning the inside of the bathtub and a mist nozzle that ejects hot water for performing a mist bath in the bathtub. A bathtub characterized by being made.   2. The bathtub according to claim 1, wherein the hand grip includes a hollow portion formed hollow inside, and the hollow portion serves as a piping passage for supplying hot water to the washing nozzle or the mist nozzle. .   3. The bathtub according to claim 2, wherein the pipe passage in the hollow part is divided into a cleaning pipe part that supplies hot water to the cleaning nozzle and a mist pipe part that supplies hot water to the mist nozzle. A bathtub characterized in that the supply of hot water to the piping part is switched by a switching valve.   It is a bathtub in any one of Claim 1 to 3, Comprising: The washing nozzle is attached to the upper part of a hand grip, and the mist nozzle is attached to the lower part of a hand grip, The bathtub characterized by the above-mentioned.

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