JP4657841B2 - Mist head - Google Patents

Description

  The present invention relates to a mist head for easily generating a mist shower from hot water supplied from a relatively small water heater in a bathroom or the like.

  It is known to obtain a health effect and a beauty effect by promoting sweating by taking a mist shower in a bathroom or the like, or conversely gently cooling the body.

  The mist head that generates the mist shower is usually provided with a hot water supply passage through which hot water supplied from a water heater passes and a terminal end of the hot water supply passage, and stores hot water supplied through the hot water supply passage. And a mist nozzle that is provided in communication with the header chamber and ejects hot water stored in the header chamber to the outside as a mist shower (Patent Documents 1 and 2). There has also been proposed a mist head in which oxygen is supplied to the mist shower (Patent Document 2).

However, the conventional mist head requires a pressure pump for pressurizing hot water and a hot water storage tower at a high position in order to generate a mist shower. It was difficult to get a shower. That is, in a small-scale water heater for home use, there is usually a problem that the hot water supply becomes unstable if the flow rate is reduced to obtain an appropriate amount of mist shower.
JP 2002-58609 A JP 2004-243065 A

  The problem to be solved by the present invention is to provide a mist head capable of easily and stably obtaining a good mist shower from a small household water heater for home use.

The mist head according to the invention described in claim 1 is provided with a hot water supply passage through which hot water supplied from a water heater passes, and a hot water supplied through the hot water supply passage while being attached to the end of the hot water supply passage. In a mist head comprising a header chamber to be stored, and a mist nozzle that is provided in communication with the header chamber and jets hot water stored in the header chamber to the outside as a mist shower.
Three or more mist nozzles are disposed on the front wall of the header chamber so as to extend outward and forward along the periphery of the header chamber, and each mist nozzle allows the hot water supplied from the header chamber to pass therethrough. A second hot water passage, a second header chamber that is provided in communication with the end of the second hot water passage and stores hot water supplied through the second hot water passage, and a front wall of the second header chamber. the hot water stored therein while being Ri Do and a plurality of mist ejection holes for ejecting a mist shower, and
A gas nozzle is provided at a position surrounded by three or more mist nozzles on the front wall of the header chamber so that a gas shower can be ejected to the outside front .

  In the above-described configuration, the hot water supplied from the water heater passes through the hot water supply passage and is stored in the header chamber and is distributed to three or more mist nozzles. The hot water distributed to each mist nozzle passes through the second hot water supply passage, is stored in the second header chamber, and is ejected as a mist shower from a plurality of mist ejection holes.

  In the above configuration, since the three or more mist nozzles are disposed on the front wall of the header chamber so as to extend outward and forward from each other along the peripheral edge thereof, the mist ejected from the mist ejection holes of the mist nozzles. It is difficult for the shower to directly intersect or collide with other mist nozzles adjacent to the mist nozzle or mist showers ejected from the mist ejection holes of other mist nozzles. . In the above configuration, the hot water supplied from the water heater is distributed to three or more mist nozzles via the hot water supply path and the header chamber, and the hot water distributed to each mist nozzle is Since it is further distributed to the plurality of mist ejection holes via the second header chamber, it is easy to adjust the flow rate to obtain an appropriate amount of mist shower.

Further, in the mist head, a gas nozzle is provided at a position surrounded by three or more mist nozzles on the front wall of the header chamber so that a gas shower can be ejected forward to the outside. With the arrangement of the gas nozzle at the position surrounded by three or more mist nozzles, the gas shower spouted from the gas nozzle is surrounded by the mist shower curtain without being dispersed unnecessarily around the periphery. It can be used for an effective gas shower bath under a mist shower bath. Regarding the supply of gas to the gas nozzle, for example, a portable gas cylinder or a gas cylinder installed, or a supply pipe from a gas supply source such as a fan or a pump is provided inside the hot water supply passage of the mist head or along with hot water. May be piped so as not to be mixed and connected to the gas nozzle base of the header chamber. As the gas, for example, air containing oxygen, fragrance, ions, or the like, hot air, cold air, or the like is selected as necessary.

The mist head according to a second aspect of the present invention is the mist head according to the first aspect, wherein three or more mist nozzles are arranged at equal intervals along a virtual circumference on the front wall of the header chamber. It is. By such an equal arrangement of three or more mist nozzles, a more stable and more uniform mist shower can be ejected from each mist nozzle.

A mist head according to a third aspect of the present invention is the mist head according to the first or second aspect of the present invention, in a warm water at any position from the hot water supply path to the header chamber, a fragrance, a colorant, an antibacterial agent, a nutrient, chlorine Remover and other additives are mixed. By mixing such an additive into warm water, a mist shower containing the additive or modified by the additive is ejected from the mist nozzle. As a method for mixing the additive, for example, the additive can be supplied as liquid, gas, or powder from the outside by press-fitting or sucking into the hot water supply channel or the header chamber, or the additive can be gradually eluted by contact with hot water. A holding member such as a cartridge held in the tank may be disposed in the hot water supply channel or the header chamber so that hot water can be circulated.

According to the first aspect of the present invention, there is provided a mist head capable of easily and stably obtaining a good mist shower even from a small household water heater for home use having a low feed water pressure and a small amount of hot water supply. Can do. Furthermore, according to the invention, an effective gas shower is provided under a mist shower bath in a state where an oxygen or other gas shower ejected from a gas nozzle is surrounded by a mist shower curtain without being dispersed unnecessarily. Can be bathed.

According to the invention of claim 2 of the present invention, Ru ejection more stable and more homogeneous mist shower from the mist nozzles can be obtained. Also, according to the invention of claim 3 of the present invention, it is possible to obtain a mist shower modified with include or said additives perfume and other required additives.

  FIG. 1 is a sectional view of a mist head according to an embodiment of the present invention, and FIG. 2 is a front view of a wall cover portion of the mist head shown in FIG.

  In the mist head MH shown in the figure, a gripping portion is formed at an intermediate portion, a hot water supply port 2 is provided at the base portion of the mist head main body 1 that is somewhat curved inward, and hot water HW is stored at a distal end portion thereof. A header chamber 3 is provided. In addition, a hot water supply passage 4 for supplying the hot water HW supplied to the hot water supply port 2 to the header chamber 3 is provided between the hot water supply port 2 and the header chamber 3 in the mist head main body 1. The hot water HW from the water heater A may be supplied from the water heater A to the hot water outlet 2 of the mist head main body 1 through a hot water storage tank (not shown) provided at a high position.

  A cylindrical base 6 projects from the inner wall of the header chamber 3 toward the center of the opening 5, and a female screw 7 is cut at the bottom of the cylindrical base 6. Is provided.

  Eight mist nozzles 11 are embedded in the wall cover 8 so as to extend forward along the imaginary circumference at the periphery of the wall cover 8 and to expand from each other at equal intervals. A nozzle 21 is embedded in the center of the wall lid 8. The mist nozzle 11 and the gas nozzle 21 may be protruded at least partially from the wall cover 8 instead of being embedded in the wall cover 8.

  Each of the mist nozzles 11 is provided in communication with the second hot water supply passage 12 through which the hot water HW supplied from the header chamber 3 passes and the terminal end of the second hot water supply passage 12 and through the second hot water supply passage 12. The second header chamber 13 for storing the supplied hot water HW and three mist ejection holes 15 drilled in the front wall 14 of the second header chamber 13 are configured. The gas nozzle 21 is provided with a gas jet 23 around the front wall 22 and a screw hole 24 at the center of the front wall 22.

  The wall cover 8 is screwed into the opening 5 of the header chamber 3 by screwing the set screw 10 from the screw hole 24 in the center of the gas nozzle 21 through the internal cavity 9 of the cylindrical base 6 to the female screw 7. It is fixed so as to be closed in a sealed state. In the closed state of the opening 5 by the wall cover 8, the back surface of the wall cover 8, the peripheral edge of the header chamber 3, and the edge of the cylindrical base 6 are sealed, and the header chamber 3 is connected to each mist nozzle 11. The gas nozzle 23 communicates with the second hot water supply passage 12 and communicates with the internal cavity 9 of the cylindrical base 6.

  On the other hand, a hose 31 connected to an external water heater A is connected to a hot water outlet 2 of the mist head main body 1, whereby hot water HW from the water heater A is introduced into the hot water supply path 4 of the mist head main body 1. . A supply pipe 32 connected to an oxygen cylinder B as an external gas supply source is piped from the side wall of the mist head body 1 into the hot water supply passage 4 and connected to the internal cavity 9 of the cylindrical base 6. Thereby, oxygen gas from the oxygen cylinder B is introduced into the gas nozzle 21. Further, an additive cartridge 33 is mounted by screwing in a sealed state so that hot water can flow through the hot water supply port 2 downstream of the hot water supply passage 4 of the mist head main body 1, and the additive cartridge 33 has various flavors and other various additives. 34 is accommodated so as to be eluted by contact with hot water, and the additive cartridge 33 is mounted as necessary. Further, an additive supply port 35 for directly mixing fragrance and other various additives 34 into the hot water is formed in the side wall of the mist head body 1 so as to be sealed with a stopper 36 in a sealed state. The supply port 35 is also used as needed.

  In the mist head MH configured as described above, the hot water HW supplied from the water heater A to the hot water supply port 2 passes through the hot water supply path 4 and is stored in the header chamber 3 while eluting the additive 34 in the additive cartridge 33. At the same time, it is distributed to eight mist nozzles 11. Further, if necessary, instead of or in addition to the addition of the additive 34 by the additive cartridge 33 as described above, the fragrance and other various additives 34 are directly supplied to the hot water from the additive supply port 35. The The hot water HW distributed to each mist nozzle 11 passes through the second hot water supply passage 12 and is stored in the second header chamber 13 and contains the additive 34 from the three mist ejection holes 15 or the additive. As a result, the mist shower MS is improved.

  The oxygen gas supplied from the oxygen cylinder B to the internal cavity 9 of the cylindrical base 6 through the supply pipe 32 is ejected from the gas ejection port 23 of the gas nozzle 21 as an oxygen shower OS. At that time, the oxygen shower OS ejected from the gas ejection port 23 is provided in a gas shower bath under the mist shower bath in a state surrounded by the curtains of the mist shower MS ejected from the eight mist nozzles 11. become. In addition, it can replace with the said oxygen cylinder B which supplies oxygen, and can also select the gas supply source which supplies the air containing a fragrance, ion, etc., or warm air, cold wind.

It is sectional drawing of the mist head based on the Example of this invention. It is a front view of the wall cover part in the mist head shown in FIG.

Explanation of symbols

A Water heater B Oxygen cylinder MH Mist head HW Warm water MS Mist shower OS Oxygen shower 1 Mist head body 2 Hot water outlet 3 Header room 4 Hot water passage 5 Opening 6 Cylindrical base 7 Female screw 8 Wall cover 9 Internal cavity 10 Set screw 11 Mist nozzle 12 Second hot water supply path 13 Second header chamber 14 Front wall 15 Mist ejection hole 21 Gas nozzle 22 Front wall 23 Gas ejection port 24 Screw hole 31 Hose 32 Supply pipe 33 Additive cartridge 34 Additive 35 Additive supply port 36 plug

Claims (3)

A hot water supply passage through which hot water supplied from a hot water heater passes, a header chamber that is provided in communication with the end of the hot water supply passage and stores hot water supplied through the hot water supply passage, and in communication with the header chamber In a mist head comprising a mist nozzle that is provided and squirts warm water stored in the interior as a mist shower to the outside front ,
Three or more mist nozzles are disposed on the front wall of the header chamber so as to extend outward and forward along the periphery of the header chamber, and each mist nozzle allows the hot water supplied from the header chamber to pass therethrough. A second hot water passage, a second header chamber that is provided in communication with the end of the second hot water passage and stores hot water supplied through the second hot water passage, and a front wall of the second header chamber. the hot water stored therein while being Ri Do and a plurality of mist ejection holes for ejecting a mist shower, and
A mist head, characterized in that a gas nozzle is provided at a position surrounded by three or more mist nozzles on the front wall of the header chamber so that a gas shower can be ejected forward to the outside . The mist head according to claim 1, wherein three or more mist nozzles are arranged at equal intervals along a virtual circumference on the front wall of the header chamber. The mist head according to claim 1 or 2 , wherein an additive is mixed in warm water at an arbitrary position from the hot water supply path to the header chamber.

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