JP2000210222A - Shower head mixing medicine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shower head mixing a medicine, in which it is easy to put a cartridge into a shower head, the cartridge filled with the medicine does not disturb a user when the user uses a shower, a lot of medicine can be filled, and the shower can supply enough amount of discharged water. SOLUTION: In this shower head mixing a medicine, which can mix the medicine with water passing through the shower head and then discharges water, the shower head is provided with a shower head part 2, a holding part 1, in which one end is detachably connected with the shower head part 2 and the other end is connected with a feed water hose, and a cylindrical medicine cartridge 8, which is completely contained in the holding part 1 and has the medicine filled inside. A circulation passage is formed between the medicine cartridge 8 and the holding part 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shower head containing a medicine, and more particularly to a shower head for bathing.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. 6-296902 is known as this kind of a drug-containing showerhead. In this showerhead, a cartridge filled with a water-soluble drug having an opening also serving as an inlet / outlet is provided. Is mounted outside the shower head, and the opening of the cartridge communicates with the flow path inside the shower head via the opening formed in the enclosure of the shower head.

[0003]

The above-mentioned conventional showerhead containing a medicine has a problem that a cartridge filled with a medicine is an obstacle when a shower is used. The present invention has been made in view of the above problems, and a cartridge filled with a medicine does not hinder the use of a shower when a shower is used and a shower is used. It is an object of the present invention to provide a chemical-mixed shower head capable of increasing the number of showers and ensuring a sufficient amount of water discharged from a shower.

[0004]

According to the present invention, in order to solve the above-mentioned problems, the present invention provides a drug-mixed showerhead for mixing and discharging a drug into water passing through the showerhead, wherein the showerhead comprises a showerhead section. And a grip portion detachably connected to the shower head portion and the other end connected to a water supply hose, and a cylindrical shape in which the grip portion is housed over substantially the entire length of the grip portion and is filled with a medicine. A medicine cartridge is provided, and an annular passage is formed between the medicine cartridge and the grip portion.

[0005] Since the cylindrical medicine cartridge filled with the medicine is accommodated in the holding portion detachably connected to the shower head as described above, not only can the cartridge be easily mounted, but also the shower can be easily performed. When using the cartridge, the cartridge filled with the medicine is stored in the gripping portion, so that it does not get in the way.

Moreover, since the cylindrical medicine cartridge filled with the medicine is stored over substantially the entire length of the grip portion, the medicine filling amount can be increased, and the medicine cartridge can be used for a long time. Since the annular passage is formed between the grip portion and the outer peripheral surface of the medicine cartridge, the actual water passage area is large even if the gap between the inner peripheral surface of the grip portion and the outer peripheral surface of the medicine cartridge is small, so that a sufficient amount of water discharged from the shower can be secured.

Further, since the cartridge filled with the medicine is accommodated in the grip portion and the center of gravity of the shower head is located at the grip portion, the shower head can be held in a stable state when the shower head is used. good.

By filling ascorbic acid and a saturated aqueous solution of ascorbic acid into a drug cartridge, residual chlorine can be removed from tap water sprinkled from a shower head, and the comfort of a shower user can be increased.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A shower head mixed with a medicine according to a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the shower head is
And a shower head 2 screwed into the downstream end of the gripper 1
And a watering perforated plate 3 screwed to the downstream end of the shower head 2. The internal space of the grip part 1 and the internal space of the shower head part 2 form a water passage. The upstream end of the grip portion 1 is connected to a water supply hose (not shown). As shown in FIGS. 1 and 2, a cylindrical valve member 4 is tightly fitted in the upstream end of the grip portion 1 while closing a water passage. As shown in FIG. 3, at the downstream end of the valve member 4,
An elliptical end wall 4a1 is formed, semicircular openings 4b1 and 4b2 are formed adjacent to the end wall 4a1 on both sides of the end wall 4a1, and a packing 4a2 of the same shape is adhesively fixed to the end wall 4a1. . By the end wall 4a1 and the packing 4a2,
A valve body 4a is formed. As shown in FIG. 1, a cylindrical spring guide 5 is tightly fitted inside the upstream end of the shower head 2. A lotus root-shaped bush 6 is fitted in the downstream end of the spring guide 5. Spring guide 5 and bush 6
, A coil spring 7 serving as an urging means is provided. The upstream end of the coil spring 7 extends into the grip 1.

As shown in FIG. 1, a medicine cartridge 8 is inserted in the water passage and between the bush 6 and the valve member 4. As shown in FIGS. 1, 2, and 4, the drug cartridge 8 is made of a hard material such as an acrylic resin, and has a cylinder 8a having one end closed and the other end opened, and a hard material covering an open end of the cylinder 8a. And a cover 8b made of
b, an elliptical porous film 8c fitted into an oval opening 8b1 slightly smaller than the valve body 4a of the valve member 4 and adhered and fixed to the cover 8. As shown in FIGS. 1 and 2, the medicine cartridge 8 is inserted into the water passage with the open end covered by the cover 8b and the porous membrane 8c facing upstream. An annular passage is formed between the inner peripheral wall of the grip portion 1 and the medicine cartridge 8. The medicine cartridge 8 is urged upstream by the coil spring 7. The drug cartridge 8 is filled with ascorbic acid powder and a saturated aqueous solution of ascorbic acid, and there is no compressible air in the drug cartridge 8. In the manufacturing process of the medicine cartridge 8, the open end of the cylindrical body 8 a is covered with the cover 8 b and the porous film 8 c while using degassed pure water while preventing air from being mixed. Can be completely eliminated.

As shown in FIGS. 1 and 2, a disc-shaped guide member 9 is adhered and fixed to the cover 8b. As shown in FIGS. 1, 2, and 5, the guide member 9 has an opening 8b1 in the cover 8b.
An oval opening 9a slightly larger than the valve body 4a and slightly larger than the valve body 4a of the valve member 4 is formed. The opening 9a faces the opening 8b1. Four grooves 9b extending from the edge of the opening 9a to the outer edge are formed on the downstream end surface of the guide member 9 which is bonded and fixed to the cover 8b.
At the upstream end surface of the guide member 9, openings 9
a half-moon-shaped inclined surface 9c1 toward the opening 9a adjacent to a.
9c2 is formed. From the upstream ends of the inclined surfaces 9c1, 9c2, legs 9d1, 9d2 having an arc-shaped cross section extend to the upstream side. The legs 9d1 and 9d2 are engaged with the semicircular openings 4b1 and 4b2 of the valve member 4. Leg 9d1
, 9d2 correspond to the semicircular openings 4b1, 4b2 of the valve member 4.
When the valve body 4a of the valve member 4 is
Opening 8b1 and the opening 9a of the guide member 9.

The operation of the bathroom chemical-mixed shower head having the above configuration will be described. When the shower is not used, that is, when the shower head with the medicine mixed in the bathroom is impervious, the medicine cartridge 8 moves to the upstream side by receiving the urging force of the coil spring 7 as shown in the left half of FIGS. The bases of the legs 9d1 and 9d2 of the member 9 engage with the semicircular openings 4b1 and 4b2 of the valve member 4, and the valve body 4a of the valve member 4 passes through the opening 9a of the guide member 9 to cover the medicine cartridge 8. 8b, and the opening 8b1 of the cover 8b is closed. As a result, when the shower is not used, the outflow of ascorbic acid from the medicine cartridge 8 is prevented. When the shower is used, i.e., when the water is passed through the shower head mixed with the medicine for the bathroom, as shown in the right half of FIGS. 1 and 2, the pressure of the tap water flowing through the openings 4 b 1 and 4 b 2 of the valve member 4 causes the coil spring 7 The medicine cartridge 8 moves to the downstream side against the urging force, and the leg portions 9d1,
The tip of 9d2 has semicircular openings 4b1 and 4b of the valve member 4.
2, the cover 8 b of the medicine cartridge 8 is separated from the valve body 4 a of the valve member 4, and the opening 8 b of the medicine cartridge 8 is opened.
1 is released. As shown by arrows in the right half of FIGS. 1 and 2, tap water passing through the openings 4b1 and 4b2 of the valve member 4
The legs 9d1, 9d2 of the guide member 9 and the slopes 9c1, 9c2
And flows toward the opening 9a. Opening 9a
Of tap water that has reached the cartridge cartridge 8 through the opening 9a and the opening 8b1, and the remaining part is
The fluid flows into the annular passage between the medicine cartridge 8 and the inner peripheral wall of the gripper 1 through the groove 9b.

The tap water which has flowed into the medicine cartridge 8 is, as shown by arrows in FIGS.
Diffuses radially while advancing toward the closed end through the center of the
The direction of the flow is changed, and the flow becomes a cylindrical flow along the surrounding wall of the medicine cartridge 8 and proceeds toward the open end of the medicine cartridge 8. Ascorbic acid in the drug cartridge 8 is dissolved in tap water, and the tap water becomes a saturated aqueous solution of ascorbic acid. The saturated aqueous solution of ascorbic acid flows out from the periphery of the opening 8b1 of the drug cartridge 8 to the outside, and
Into the tap water passing through the groove 9b of the
And flows into an annular passage between the inner peripheral wall of the gripper 1 and the inner peripheral wall. Ascorbic acid mixed in tap water removes residual chlorine in tap water. The tap water from which the chlorine odor has been removed passes through the annular passage between the medicine cartridge 8 and the inner peripheral wall of the grip portion 1, further passes through the lotus root-shaped bush 6, and is discharged through the water spray perforated plate 3.

Since the opening 8b1 of the medicine cartridge 8 is covered with the porous film 8c in the bathroom medicine-containing shower head according to the present embodiment, tap water gradually flows into the medicine cartridge 8. As a result, the flows of the tap water and the saturated aqueous solution of ascorbic acid in the medicine cartridge 8 are stabilized. Since there is no air whose volume changes due to pressure fluctuations in the medicine cartridge 8, the flow of the tap water and the saturated aqueous solution of ascorbic acid in the medicine cartridge 8 is stabilized. Since the medicine cartridge 8 is formed of a hard material and does not deform due to a difference in pressure between inside and outside, the flow of the tap water and the saturated aqueous solution of ascorbic acid in the medicine cartridge 8 is stabilized. As a result, the saturated aqueous solution of ascorbic acid in the medicine cartridge 8 is stably and slowly released into tap water passing through the groove 9b of the guide member 9 without being excessively released during use of the shower.

The slopes 9c1 and 9c2 and the legs 9d1 and 9d2 of the guide member 9 adhered and fixed to the medicine cartridge 8 allow the tap water flowing through the openings 4b1 and 4b2 of the valve member 4 to flow into the opening 8b1 of the medicine cartridge 8. Since the water is guided, the tap water surely enters the medicine cartridge 8 when the shower is used, and the ascorbic acid in the medicine cartridge 8 is surely gradually released. The leg portions 9d1 and 9d2 of the guide member 9 adhered and fixed to the medicine cartridge 8 correspond to the openings 4b1 and 4b1 of the valve member 4, respectively.
4b2, and functions as a guide when the medicine cartridge 8 moves, so that the opening 8b1 of the medicine cartridge 8 and the valve body 4a of the valve member 4 and the openings 4b1, 4b2 always have a regular relative positional relationship. Will be kept. As a result, when the shower is not used, ascorbic acid is reliably prevented from flowing out from the drug material sustained release cartridge 8, and ascorbic acid is stably and slowly released from the drug cartridge 8 when the shower is used.

A second embodiment of the present invention will be described with reference to FIGS. In the bathroom medicine-containing shower head according to this embodiment, in addition to the cover 8b made of a hard material covering the open end of the cylindrical body 8a of the medicine cartridge 8, in addition to the oblong opening 8b1,
Two guide legs 8b2 extending to the upstream side are formed.
An oval porous film 8c is fitted and fixed in the oval opening 8b1. At the downstream end of the cylindrical valve member 4, a circular end wall 4a3 is formed instead of the oval end wall 4a1, and an oval packing 4a2 is bonded and fixed to the end wall 4a3 to form a valve body 4a. I have. On both sides of the valve body 4a,
Instead of the openings 4b1 and 4b2, three openings 4b
3 is formed. The opening 4b3 is directed to the oblong opening 8b1 of the cover 8b and penetrates the end wall 4a3 at an angle. Two grooves 4c extending in the longitudinal direction are formed on the outer surface of the cylindrical portion of the valve member 4. Valve member 4
The guide leg 8b2 of the cover 8b is engaged with the groove 4c.
The guide member 9 is not provided. Except for the above, the bathroom medicine mixed shower head according to the present embodiment has the same structure as the bathroom medicine mixed shower head according to the first embodiment.

In the shower head with the medicine mixed in the bathroom according to the present embodiment, when the shower is not used, that is, when the shower head with the medicine mixed in the bathroom is stopped, as shown in the left half of FIG. Substantially the entire leg 8b2 is engaged with the groove 4c of the valve member 4, the valve body 4a of the valve member 4 abuts on the cover 8b of the medicine cartridge 8, and closes the opening 8b1 of the cover 8b. As a result, when the shower is not used, the outflow of ascorbic acid from the medicine cartridge 8 is prevented. When the shower is used, that is, at the time of passing water through the shower head mixed with the medicine for the bathroom, the water pressure of the tap water flowing through the opening 4b3 of the valve member 4, as shown in the right half of FIG. The medicine cartridge 8 moves to the downstream side, and the guide legs 8b of the cover 8b
2 is engaged with the groove 4c of the valve member 4, the cover 8b of the medicine cartridge 8 is separated from the valve body 4a of the valve member 4,
The opening 8b1 of the medicine cartridge 8 is opened. As shown by an arrow in the right half of FIG. 6, tap water passing through the opening 4b3 of the valve member 4 directed to the opening 8b1 of the medicine cartridge 8 flows toward the opening 8b1 of the medicine cartridge 8, and Through the opening 8b1
The remaining portion flows radially outward along the cover 8b and flows into the annular passage between the medicine cartridge 8 and the inner peripheral wall of the grip portion 1. The saturated aqueous solution of ascorbic acid in the medicine cartridge 8 flows out of the periphery of the opening 8b1 to the outside, mixes with tap water flowing radially outward along the cover 8b, and forms a gap between the medicine cartridge 8 and the inner peripheral wall of the grip portion 1. Into the annular passage between the two. Ascorbic acid mixed in tap water removes residual chlorine in tap water. The tap water from which chlorine odor has been removed is supplied to the drug cartridge 8 and the gripper 1.
The water is discharged through an annular passage between the inner peripheral wall and the inner peripheral wall, through a lotus-shaped bush, and through a water spray perforated plate.

The opening 4b3 of the valve member 4 directed to the opening 8b1 of the medicine cartridge 8 guides the tap water to the opening 8b1 of the medicine cartridge 8, so that when the shower is used,
Tap water surely enters the medicine cartridge 8, and ascorbic acid in the medicine cartridge 8 is surely gradually released. Guide legs 8 of cover 8 adhered and fixed to drug cartridge 8
b2 always engages with the groove 4c of the valve member 4 and functions as a guide when the medicine cartridge 8 moves, so that the opening 8b1 of the medicine cartridge 8 and the valve body 4a and the opening 4b3 of the valve member 4 are always in proper relation. Is maintained in the relative positional relationship. As a result, when the shower is not used, ascorbic acid is reliably prevented from flowing out from the drug material sustained release cartridge 8, and ascorbic acid is stably and slowly released from the drug cartridge 8 when the shower is used.

Although the embodiment of the present invention has been described above, the present invention is not limited to the above-described embodiment, and various modifications are possible. For example, the medicine filled in the medicine cartridge is not limited to ascorbic acid. Powdered, granular, liquid herbs, fragrances, bactericides, herbal medicines, emulsions, pH adjusters, detergents, surfactants and the like may be filled.

[0020]

As can be understood from the above description, in the medicine-mixed shower head according to the present invention, a cylindrical medicine cartridge filled with a medicine is housed inside a holding portion detachably connected to the shower head portion. Therefore, not only is it easy to mount the cartridge, but also when the shower is used, the cartridge filled with the medicine is housed in the holding portion, so that it does not interfere.

Further, since the cylindrical medicine cartridge filled with the medicine is stored over substantially the entire length of the grip portion, the medicine filling amount can be increased, and the medicine cartridge can be used for a long time. Since the annular passage is formed between the grip portion and the outer peripheral surface of the medicine cartridge, the actual water passage area is large even if the gap between the inner peripheral surface of the grip portion and the outer peripheral surface of the medicine cartridge is small, so that a sufficient amount of water discharged from the shower can be secured.

Further, since the cartridge filled with the medicine is housed in the grip portion and the center of gravity of the shower head is located at the grip portion, the shower head can be held in a stable state when the shower head is used. good.

By filling ascorbic acid and a saturated aqueous solution of ascorbic acid into a medicine cartridge, residual chlorine can be removed from tap water sprinkled from a shower head, and the comfort of a shower user can be increased.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view of a shower head mixed with a medicine according to a first embodiment of the present invention.

FIG. 2 is a partially enlarged view of the vicinity of an upstream end in FIG. 1;

FIG. 3 is a structural view of a valve member provided in the shower head mixed with medicine according to the first embodiment of the present invention. (A) is a figure which shows the end surface of the downstream side, (b) is a bb arrow view of (a), (c) is a cc arrow view of (a),
(D) is a diagram showing an end face on the upstream side.

FIG. 4 is a structural view of a cover of a medicine cartridge provided in the bathroom medicine-mixed shower head according to the first embodiment of the present invention. (A) is a figure which shows an end surface, (b) is (a)
FIG.

FIG. 5 is a structural view of a guide member provided in the shower head mixed with medicine according to the first embodiment of the present invention. (A) is a figure which shows the end surface of a downstream side, (b) is bb of (a).
It is an arrow view, (c) is a cc arrow view of (a),
(D) is a diagram showing an end face on the upstream side.

FIG. 6 is an enlarged vertical cross-sectional view of the vicinity of an upstream end of a bathroom chemical mixing shower head according to a second embodiment of the present invention.

FIG. 7 is a perspective view of a valve member provided in a shower head mixed with a medicine according to a second embodiment of the present invention.

FIG. 8 is a perspective view of a cover of a medicine cartridge provided in a bathroom medicine mixing shower head according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Gripping part 2 Shower head part 8 Drug cartridge

Claims (2)

[Claims] A medicine-mixed showerhead for mixing and discharging a medicine into water passing through the showerhead, wherein the showerhead is detachably connected to the showerhead, and the other end is supplied with water. A grip portion connected to the hose; and a drug cartridge housed in the grip portion and filled with a drug therein, wherein an annular passage is formed between the drug cartridge and the grip portion. Shower head with drug. 2. The showerhead according to claim 1, wherein the drug is ascorbic acid, and removes residual chlorine in tap water passing through the showerhead.