JP4756779B2 - Attachment for mixing - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mixing attachment that allows a mixing medicine accommodated in a medicine storage chamber adjacent to a raw water flow channel to flow down while being mixed with raw water, and more particularly to a mixing attachment that is attached to a shower device and used.
[0002]
[Prior art and problems to be solved by the invention]
For example, in a spraying device such as a shower device, an attachment that mixes a chemical such as a bathing agent as a mixing agent with raw water supplied via a pipe such as a hose, and enables the raw water to be sprayed together with the mixing agent. For example, it is disclosed by Unexamined-Japanese-Patent No. 8-187454.
[0003]
As shown in FIG. 8, the attachment described in Japanese Patent Application Laid-Open No. 8-187454 includes a double structure in which an internal container 51 as a medicine storage chamber is provided inside an external container 50, and a pipe line made of a hose or the like. It is used by attaching to a spraying device. The mixing agent is stored in the inner container 51. The valve 53 provided at the liquid inlet 52 of the inner container 51 is opened and closed to allow the raw water to flow into the inside, and the mixing chemical is mixed into the flowing raw water. Then, the raw water is discharged through the outlet 54 and joined to the raw water passing through the raw water passage 55, so that the raw water can be sprayed from the spraying device in a state where the mixing agent is added and mixed.
[0004]
However, according to the attachment described in JP-A-8-187454, switching whether or not to mix the mixing agent with the raw water is performed by opening and closing the valve 53 provided in the upstream inlet 52. On the other hand, since the outlet 54 on the downstream side of the inner container 51 is always open, even when the valve 53 is closed, the internal mixing agent passes through the outlet 54 to the raw water channel 55. Or the raw water in the raw water flow channel 55 flows into the inside through the outlet 54, and the mixing agent contained in the inner container 51 is diluted with time and is sufficiently added to the raw water when mixing is desired. It may not be possible to
[0005]
The present invention effectively avoids dilution of the mixing drug stored in the drug storage chamber when not in use, and enables smooth opening and closing operations for adding and mixing the mixing drug to the raw water. The purpose is to provide an attachment.
[0006]
[Means for Solving the Problems]
The present invention is a mixing attachment for flowing a mixing agent accommodated in a drug containing chamber adjacent to a raw water flow channel to a downstream side while adding and mixing to the raw water, and a flow at an upstream end of the drug containing chamber. A mechanism for preventing a backflow of the mixing medicine provided at the inlet, and an outlet opening / closing means provided at a downstream end of the medicine storage chamber for opening and closing the outlet to the raw water flow path by an external operation. And by allowing the outlet for opening and closing means to open the outlet, the mixing agent in the medicine storage chamber is caused to flow into the raw water in the raw water passage so as to be drawn into the raw water flowing down the raw water passage, In addition, the backflow prevention mechanism is opened by the pressure of the raw water, the raw water is caused to flow into the drug containing chamber, and the mixing agent flowing out from the inlet through the drug containing chamber into the raw water flow channel is mixed. did While causing a flow of water by providing a mixing attachment admixing the mixing agent on the raw water is obtained by achieving the above object.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, the mixing attachment 10 according to the first preferred embodiment of the present invention is attached, for example, between a shower device 13, which is a spray device, and a shower water supply hose 14. In this shower water, body chemicals such as bath chemicals, cleaning chemicals, perfume chemicals, skin care chemicals and the like are added and mixed as mixing chemicals, and then flowed down toward the shower device 13 on the downstream side. It is possible to perform shower with mixed shower water.
[0008]
That is, as shown in FIGS. 2A and 2B, the mixing attachment 10 according to the first embodiment closes the outlet 16 from the drug storage chamber 11 toward the raw water flow path 15 to close the raw water flow path. From the state where the shower water is sent to the shower apparatus 13 by the main flow X passing through 15 (see (a)), the medicine supply push button 17 is pushed against the urging force of the sliding spring 18 to flow as required. By opening the outlet 16, a secondary flow Y of shower water flowing in from the inlet 19 at the upstream end of the drug storage chamber 11 and flowing out of the outlet 16 is generated, and the drug storage chamber 11 is generated in the subflow Y. This is a device that causes the mixing agent contained in the apparatus to flow together so that shower water is sent out to the shower device 13 while adding and mixing the mixing agent to the main flow X (see (b)).
[0009]
The mixing attachment 10 of the first embodiment includes a backflow prevention valve 20 for a medicine for mixing as a backflow prevention mechanism provided at the inlet 19 at the upstream end of the medicine storage chamber 11, A medicine supply push button 17 is provided as an outlet opening / closing means provided at the downstream end for opening / closing the outlet 16 to the raw water flow path 15 by an external operation. Then, by the opening operation of the outlet 16 by the medicine supply push button 17, the mixing medicine in the medicine storage chamber 11 is drawn into the main flow X of the shower water flowing down the raw water flow path 15 and the shower in the raw water flow path 15. The backflow prevention valve 20 is opened by the pressure of the shower water and the shower water flows into the drug storage chamber 11 and flows out from the inlet 19 into the raw water flow path 15 through the drug storage chamber 11. The mixing agent is added and mixed with the shower water while generating a flow of shower water mixed with the mixing agent (substream Y).
[0010]
According to the first embodiment, the mixing attachment 10 is a substantially cylindrical device made of synthetic resin formed by various known plastic molding methods, and the shower device 13 is screwed to the upper end portion. A mounting hole 21 to be mounted is formed as an opening. Further, a hollow mounting protrusion 22 to which the shower water supply hose 14 is mounted is provided at the lower end portion. And the raw | natural water flow path 15 of the substantially elliptical cross section which penetrates between the attachment hole 21 and the attachment protrusion 22 and longitudinally cuts the attachment 10 for mixing is circular of the attachment 10 for mixing as shown in FIG. The cross section is formed in one semicircular portion divided into two. In addition, a medicine container 11 adjacent to the raw water flow path 15 is formed by mounting a transparent outer wall member 23 having a substantially semicircular arc section on the other semicircular portion obtained by dividing the circular section. In 11, body medicine such as bath medicine, skin care medicine, and fragrance medicine is accommodated as a medicine for mixing. In addition, it is preferable that the mixing chemical | medical agent accommodated in the chemical | medical agent storage chamber 11 is a liquid, but it does not necessarily need to be a liquid chemical itself. Dispersion systems such as emulsions and suspensions, gels, solids, and powders are stored in the drug storage chamber 11 and are poured into the shower water flowing into the drug storage chamber 11. It can be used as a drug for mixing by dissolving.
[0011]
In addition, according to the first embodiment, the medicine storage chamber 11 has a circular cross section that allows the shower water to flow into the medicine storage chamber 11 at the upstream end (lower end portion in FIG. 2) of the main flow X of the shower water. 2 and the downstream end portion (upper end portion in FIG. 2) is formed with an opening 16 having a circular cross section through the partition wall 24 with the raw water flow path 15. Has been. The upper end portion of the inflow port 19 is cut out in a mortar shape, and the spherical first ball valve 25 is detachably attached to the mixing port so that the mixing agent does not mix with the shower water. The function as the backflow prevention valve 20 for preventing leakage into the raw water flow path 15 is achieved. An opening / closing sliding portion 12 of a medicine supply push button 17 described later is slidably inserted into the outlet 16 so that the opening / closing of the outlet 16 can be switched.
[0012]
Furthermore, according to the first embodiment, as shown in FIG. 4, the outer wall member 23 of the medicine container 11 has a substantially circular shape with two upper and lower pieces protruding inward at the upper end portion thereof. The medicine supply port 26 is formed with an opening, and a substantially circular drainage opening 29 is formed at the lower end of the medicine supply port 26. The edge of the medicine supply port 26 on the side of the medicine storage chamber 11 is notched in a mortar shape, and a spherical second ball valve 27 is detachably attached to open and close the medicine supply port 26. Thus, the medicine container 11 can be replenished with the medicine for mixing as required. That is, the second ball valve 27 is urged outward by the sliding spring 18 interposed between the opening / closing sliding portion 12 of the medicine supply push button 17 and closely contacts the edge of the medicine supply port 26. A supply container 40 (see FIG. 6), which will be described later, is inserted into the drug supply port 26 while pushing the second ball valve 27 against the biasing force of the sliding spring 18 from the state where the drug supply port 26 is closed. The medicine supply nozzle 41 is opened, and the medicine for mixing is replenished from the supply container 40 to the inside of the medicine storage chamber 11.
[0013]
On the other hand, a drain push button 30 that opens and closes the drain opening 29 is attached to the drain opening 29 while being biased outward. That is, the drainage push button 30 has a concentric substantially circular cross section having a smaller diameter than the drainage opening 29, thereby holding the gap 37 between the drainage opening 29 and the drainage opening 29. The upper and lower pieces are in contact with the inner circumferential surface of 29, and are arranged so as to be slidable by projecting to the outside of the outer wall member 23. A disc member 32 having a size covering the entire drain opening 29 is attached to the end of the drain push button 30 on the side of the medicine storage chamber 11, and between the disc member 32 and the partition wall 24. From the state in which the drainage opening 29 is closed by urging the disk member 32 outward by the intervening drainage spring 33 and bringing the disc member 32 into close contact with the edge of the drainage opening 29 from the inside. Then, by pushing the drain push button 30 against the urging force of the drain spring 33 to release the close contact state of the disk member 32, the medicine containing chamber is formed from the gap 37 between the drain opening 29 and the drain push button 30. The water inside 11 can flow out to the outside. An O-ring 36 is attached to the surface of the disk member 32 on the side of the drainage push button 30, and when the disk member 32 is brought into close contact with the edge of the drainage opening 29, a reliable contact state is obtained. It is like that.
[0014]
Furthermore, according to the first embodiment, the air valve 31 for taking in air into the medicine storage chamber 11 is provided at the upper end of the medicine storage chamber 11. That is, an air introduction path 34 extending from the ceiling surface to the outside of the outer wall member 23 is formed above the medicine storage chamber 11, and the opening edge of the air introduction path 34 on the drug storage chamber 11 side is a mortar. The spherical third ball valve 35 is detachably attached thereto. Then, in a state in which the water pressure by the shower water or the mixing chemical is loaded inside the medicine storage chamber 11, the third ball valve 35 is pushed out and closes the opening edge to close the air introduction path 34. This prevents the shower water and the mixing chemical from flowing out of the air introduction path 34. On the other hand, when the inside of the medicine storage chamber 11 becomes a negative pressure or an atmospheric pressure, the third ball valve 35 drops and moves downward to release the contact state, so that the medicine is passed through the air introduction path 34. Air can be taken into the storage chamber 11.
[0015]
According to the first embodiment, the medicine supply push button 17 that opens and closes the outlet 16 from the medicine storage chamber 11 to the raw water flow path 15 has an outer wall as shown in FIGS. 2 (a), 2 (b) and FIG. From the outer peripheral surface of the mixing attachment 10 located on the opposite side of the member 23, the raw water flow path 15 is traversed and inserted into the outlet 16 penetrating the partition wall 24, and the tip thereof is the interior of the drug containing chamber 11. The open / close sliding portion 12 is attached so as to slide along the outflow port 16. That is, the medicine supply push button 17 is urged outward by the sliding spring 18 interposed between the tip portion of the medicine supply push button 17 and the second ball valve 27, and the push button portion 38 projects outward from the outer peripheral surface of the mixing attachment 10. I am letting. The open / close sliding portion 12 is formed with a vertically long notch groove 39 that is open on the upper side surface along the axial direction thereof. In a state where the medicine supply push button 17 is urged to the outside and the push button portion 38 protrudes, the notch groove 39 is located on the raw water flow path 15 side with respect to the partition wall 24 and is located at the tip of the opening / closing sliding portion 12. The mounted O-ring 36 is brought into contact with the opening edge of the outlet 16 in the partition wall 24 and is closed in a state where the outlet 16 is shut off without communicating between the medicine containing chamber 11 and the raw water flow path 15. (See FIG. 2 (a) and FIG. 3). On the other hand, when the push button portion 38 of the medicine supply push button 17 is pushed into the medicine storage chamber 11 against the urging force of the slide spring 18, the open / close sliding portion 12 slides, and the notch groove 39 forms the raw water flow path. 15 and the medicine storage chamber 11, and the raw water flow path 15 and the medicine storage chamber 11 communicate with each other through the notch groove 39 so that the outlet 16 is opened. (See FIG. 2 (b)).
[0016]
And according to the mixing attachment 10 of this 1st Embodiment, while being able to avoid effectively diluting the mixing chemical | medical agent accommodated in the chemical | medical agent storage chamber 11 at the time of unused, mixing chemical | medical agent is added to shower water. The opening and closing operation for adding and mixing can be performed smoothly. That is, as shown in FIG. 2A, in a state where the push button portion 38 of the medicine supply push button 17 protrudes outward and the outlet 16 from the medicine storage chamber 11 toward the raw water flow path 15 is closed, the raw water flow The shower water in which the mixing agent is not mixed by the main flow X passing through the passage 15 can be sent to the shower device 13, and the inflow port 19 and the outflow port 16 of the drug storage chamber 11 include the backflow prevention valve 20 and the drug. The mixing medicine that is blocked by the supply push button 17 does not leak into the raw water flow path 15 or shower water does not flow into the inside, thereby effectively diluting the mixing medicine when not in use. Can be avoided.
[0017]
Further, when it is desired to mix the medicine for mixing with the shower water, as shown in FIG. 2B, if the push button portion 38 of the medicine supply push button 17 is pushed inward, the outflow port 16 is opened, and the raw water flow path 15 The mixing agent in the medicine storage chamber 11 flows into the main flow X of the shower water in the raw water flow path 15 so as to be drawn into the shower water flowing down, and the backflow prevention valve is controlled by the pressure of the main flow X of the shower water. 20 is opened and the shower water flows into the medicine storage chamber 11. As a result, the mixing agent is added to the main flow X of the shower water while generating a secondary flow Y of the shower water mixed with the mixing agent flowing out from the inlet 19 through the drug storage chamber 11 into the raw water flow path 15. It is possible to mix, and it becomes possible to send out shower water containing the mixing agent to the shower device 13. Here, the notch groove 39 that opens the outlet 16 is formed in the upper side surface of the opening / closing sliding portion 12, and in the raw water flow path 15, in the flow-down direction of the main flow X of shower water. Since it is open | released toward the direction, the supply and mixing of the chemical | medical agent for mixing to the shower water will be performed favorably.
[0018]
Further, when the finger pushing the push button portion 38 is released, the opening / closing sliding portion 12 slides outward by the biasing force of the sliding spring 18, the outlet 16 is closed, and the backflow prevention valve 20 is caused by the pressure of raw water. Is closed and the secondary flow Y does not occur, and the outflow of the mixing agent is blocked. Thus, according to the mixing attachment 10 of the first embodiment, the mixing agent is added to the shower water by a simple operation of pushing the push button portion 38 of the medicine supply push button 17 or releasing the pushed finger. The opening / closing operation for mixing can be performed smoothly.
[0019]
And according to the attachment 10 for mixing of this 1st Embodiment, the chemical | medical agent for mixing which was used and added to the shower water and decreased can be easily replenished to the chemical | medical agent storage chamber 11. FIG. In order to replenish the medicine storage chamber 11 with the mixing medicine, first, the shower water stored in place of the used mixing medicine is removed from the medicine storage chamber 11. That is, as shown in FIG. 5A, the water drain push button 30 attached to the water drain opening 29 is pushed in against the urging force of the water drain spring 33 to release the contact state of the disk member 32. By a simple operation, the shower water inside the medicine storage chamber 11 can flow out to the outside through the gap 37 between the drain opening 29 and the drain push button 30, and this can be eliminated. During such a water draining operation, the air valve 31 is opened and air is taken into the drug storage chamber 11 through the air introduction path 34. Further, the shower water staying inside the shower device 13 also flows into the medicine storage chamber 11 through the inflow port 16, and then is discharged to the outside through the drain opening 29.
[0020]
Next, as shown in FIG. 5 (b), the medicine for mixing is injected from the supply device 40 shown in FIG. 6 into the empty medicine storage chamber 11 to replenish the medicine for mixing. That is, if the tip of the medicine supply nozzle 41 of the supply device 40 is inserted into the medicine supply port 26 and the second ball valve 27 is pushed into the medicine storage chamber 11 against the biasing force of the sliding spring 18, the second ball Since the closed state of the medicine supply port 26 by the valve 27 is opened, by pressing the side surface of the container main body 42 in this state, the medicine for mixing flows into the medicine storage chamber 11 so as to be pushed out from the supply container 40. It will be refilled smoothly.
[0021]
Here, the supply container 12 is a container body 42 made of synthetic resin containing a replenishing mixing medicine, and mixed from a medicine supply nozzle 41 of a cap member 43 attached to the neck of the container body 42. Can be dispensed. The medicine supply nozzle 41 has a special cross-sectional shape that is different from the circular shape in which two circular upper and lower portions are entrapped inside, in which the cross-sectional shape of the tip portion thereof matches the opening shape of the medicine supply port 26. Therefore, according to the first embodiment, it is possible to effectively avoid injecting the wrong type of mixing medicine into the medicine storage chamber 11. That is, since only the medicine supply nozzle 41 having a cross-sectional shape of the distal end portion that matches the opening shape of the medicine supply port 26 can be inserted into the medicine supply port 26 and the second ball valve 27 can be pushed in, the mixing supply to be replenished By storing the medicine only in the supply container 40 having such a medicine supply nozzle 41, another type of liquid agent stored in another container pushes the second ball valve 27 by the medicine supply nozzle. Therefore, it is possible to easily prevent the wrong type of mixing drug different from the mixing drug to be replenished from being injected into the drug storage chamber 11.
[0022]
FIGS. 7A and 7B show a mixing attachment 70 according to the second embodiment of the present invention. According to the mixing attachment 70 of the second embodiment, the medicine supply push button 71 that opens and closes the outlet 16 from the medicine storage chamber 11 to the raw water flow path 15 is similar to the medicine supply push button 17 of the first embodiment. From the outer peripheral surface of the mixing attachment 70 located on the side opposite to the outer wall member 23, the raw water flow path 15 is traversed, and inserted into the outlet 16 penetrating the partition wall 24 so as to protrude into the medicine containing chamber 11. It is a cylindrical rod-shaped member, and is attached so that the open / close sliding portion 72 slides along the outlet 16. Further, the medicine supply push button 71 has a protruding portion 73 to the medicine containing chamber 11 inserted and arranged inside the sliding spring 74, one end on the inner surface of the outer wall member 23, and the other end on the base end of the protruding portion 73. The push button portion 75 is urged outward by a sliding spring 74 locked to the portion, and the push button portion 75 protrudes outward from the outer peripheral surface of the mixing attachment 70. In the opening / closing sliding portion 72, a vertically long notch groove hole 76 is formed through the side surface of the opening / closing sliding portion 72 along the axial direction thereof. In a state where the push button portion 75 of the medicine supply push button 71 protrudes outward, the notch groove hole 76 is positioned on the raw water flow path 15 side with respect to the partition wall 24, and the O-ring 36 is placed in the medicine storage chamber 11 in the partition wall 24. The outlet 16 is blocked by contacting the opening edge on the side. On the other hand, when the push button portion 75 of the medicine supply push button 71 is pushed into the medicine storage chamber 11 side, the open / close sliding portion 72 slides and the notch groove 76 extends over the raw water flow path 15 and the medicine storage chamber 11. Thus, the outlet 16 is opened through the notched groove 76. According to the medicine supply push button 71 having such a configuration, the opening / closing operation of the outflow port 16 can be performed in a more stable state, and the inside of the medicine containing chamber 11 can be more smoothly performed through the notch groove hole 76. It becomes possible to flow the mixing agent into the raw water flow path 15 together with the shower water. The notch groove hole 76 is open on the side surface of the open / close sliding portion 72 and is not opened in the direction opposite to the flow direction of the main flow X. Will be well fed and mixed.
[0023]
Further, according to the mixing attachment 70 according to the second embodiment, the pipe diameter of the raw water flow channel 15 is larger on the downstream side 15b than on the upstream side 15a with the outlet 16 interposed therebetween. Thus, when the outlet 16 is opened, the suction effect for drawing the mixing agent into the shower water flowing down the raw water flow path 15 is improved, so that the supply and mixing of the mixing agent to the shower water is further improved. It will be done well.
[0024]
Further, according to the second embodiment, the outer wall member 23 of the medicine storage chamber 11 is formed with the circular medicine supply port 77 at the center thereof, and the medicine storage chamber of the medicine supply port 77 is formed. On the 11th side, a flange member 78 is provided in a state of being biased outward by an opening / closing spring 79. The open / close spring 79 is attached to a guide tube 80 provided on the partition wall 24 and is interposed between the partition wall 24 and the flange member 78 and biases the flange member 78 while pressing the flange member 78 outward. The eaves member 78 is opened by the medicine supply nozzle 41 (see FIG. 6) of the supply container 40 inserted so as to be pushed into the medicine supply port 77 against the urging force of the opening and closing spring 79, and the mixing medicine is supplied to the supply container 40. Thus, the inside of the medicine storage chamber 11 is replenished. Here, when the eaves member 78 is pushed into the inside of the medicine storage chamber 11, the eaves member 78 moves while being guided by the guide cylinder 80, so that the opening and closing of the medicine supply port 77 in a more stable state, It becomes possible to replenish the medicine for mixing.
[0025]
Furthermore, according to the second embodiment, the outer wall member 23 of the medicine storage chamber 11 is formed with the circular drainage opening 81 at the lower end portion thereof, and the drainage opening 81 includes A drain push button 82 that opens and closes the drain opening 81 is provided in a state of being biased outward. That is, the drainage push button 81 closes the drainage opening 81 by bringing the flange portion 82 into contact with the opening edge of the drainage opening 81 on the side of the medicine storage chamber 11 with the O-ring 36 interposed therebetween. The flange portion 82 and the partition wall 24 are composed of a pressing portion 83 attached to the drainage opening 81 without protruding outward from the member 23 and a rod portion 84 joined and integrated to the drug containing chamber 11 side of the pressing portion 83. Are provided in a state of being urged outward by a water draining spring 85 interposed therebetween. Further, the rod portion 84 slidably penetrates the partition wall 24, penetrates the raw water flow channel 15, and its tip portion is slidably inserted into a guide hole 86 formed on the wall surface of the raw water flow channel 15. Be placed. Further, the intermediate portion of the rod portion 84 is a diameter-expanded portion 87, and the outer peripheral surface of the diameter-expanded portion 87 is O in a state where the drainage opening 81 is closed without the drainage push button 81 being pushed. The ring 36 is firmly attached to the inner peripheral surface of the through hole of the partition wall 24 to prevent the mixing medicine from leaking from the medicine storage chamber 11 to the raw water flow path 15. Furthermore, a circular recessed portion 88 is formed on the outer surface of the pressing portion 83, and the medicine supply nozzle 41 of the supply container 40 is locked to the recessed portion 88, for example, so that the drain push button 82 is pressed. Can be done smoothly. Then, for example, when the pressing portion 83 is pushed into the inside of the medicine storage chamber 11 by the pressing operation of the drain push button 82 via the medicine supply nozzle 41, the water inside the medicine storage chamber 11 passes through the drain opening 81 to the outside. Will be eliminated. Here, the tip of the rod portion 84 is supported by the guide hole 86 and slides while being guided by the guide hole 86, so that the pressing operation of the drain push button 82 can be performed in a more stable state. At the same time, the pressing portion 83 of the drain push button 81 does not protrude to the outside of the outer wall member 23, and therefore does not become an obstacle when showering using the shower device 13.
[0026]
Further, according to the second embodiment, the fourth ball valve 89 is detachably attached to the inlet 19 formed at the upstream end of the medicine storage chamber 11 to function as a backflow prevention valve. In addition, an air valve 90 made of a disk member is provided at the upper end of the medicine storage chamber 11 for taking air into the medicine storage chamber 11. The air valve 90 opens and closes the communication hole 91 to the air introduction path 34 to close the air introduction path 34 or to allow air to be taken into the medicine storage chamber 11 through the air introduction path 34. .
[0027]
Further, the mixing attachment 70 of the second embodiment can effectively avoid the mixing drug stored in the drug storage chamber 11 from being diluted when not in use, and add the mixing drug to the shower water. The opening / closing operation for mixing can be performed smoothly. That is, in a state where the outlet 16 is closed without pushing the push button portion 75 of the medicine supply push button 71, the inlet 19 and the outlet 16 of the medicine storage chamber 11 are connected by the fourth ball valve 89 and the medicine supply push button 71. The mixing medicine stored inside is prevented from leaking into the raw water flow path 15 and shower water does not flow into the interior, thereby effectively avoiding dilution of the mixing medicine when not in use. Is possible. Further, when mixing the medicine for mixing with the shower water, if the push button portion 75 of the medicine supply push button 71 is pushed inward, the outlet 16 is opened and drawn into the shower water flowing down the raw water flow path 15. The mixing medicine in the medicine storage chamber 11 flows into the main flow of the shower water in the raw water flow path 15 and the fourth ball valve 89 is opened by the pressure of the main flow of the shower water, so that the shower water is supplied to the medicine storage chamber. 11 flows in. Thus, the mixing agent is added to and mixed with the main flow of the shower water while generating a secondary flow of shower water in which the mixing agent flowing out into the raw water flow path 15 from the inlet 19 through the drug containing chamber 11 is mixed. The shower water containing the mixing agent can be sent to the shower device 13.
[0028]
The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, the attachment for mixing according to the present invention is not limited to the one that mixes and sends out body medicine such as bath medicine or skin care medicine into shower water, and is attached to other spraying equipment other than shower equipment. It is also possible to employ a mixing drug in the household consumer drug. Further, the outlet opening / closing means need not necessarily be a rod-shaped opening / closing sliding portion or a push button. Further, the mixing attachment of the present invention can be used by being detachably attached to a spraying device such as a shower device, or can be used in a state of being integrated in advance with these spraying devices. Furthermore, the attachment position to a dispersion | spreading instrument is also arbitrary and can also be attached and used for pipe lines, such as a hose.
[0029]
【The invention's effect】
According to the mixing attachment of the present invention, the mixing medicine accommodated in the medicine storage chamber can be effectively avoided from being diluted when not in use, and the opening / closing operation for adding and mixing the mixing medicine to the raw water can be smoothly performed. Can be done.
[Brief description of the drawings]
FIG. 1 is a side view illustrating a situation in which a mixing attachment according to a first embodiment of the present invention is attached to a shower device and used.
FIGS. 2A and 2B are cross-sectional views illustrating a situation in which a mixing agent is mixed with raw water by a mixing attachment according to the first embodiment of the present invention.
FIG. 3 is a cross-sectional view taken along line AA in FIG.
FIG. 4 is a front view of FIG. 2A viewed from the right side.
5A is a cross-sectional view illustrating a situation in which raw water in the medicine storage chamber is removed, and FIG. 5B is a cross-sectional view illustrating a situation in which the mixing medicine is replenished in the medicine storage chamber.
FIG. 6 is a perspective view illustrating a configuration of a supply container.
7A is a cross-sectional view taken along line BB of (b) of the mixing attachment according to the second embodiment of the present invention, and FIG. 7 (b) is a front view of (a) viewed from the right side. .
FIG. 8 is a partially cutaway side view illustrating a conventional mixing attachment.
[Explanation of symbols]
10,70 Mixing attachment
11 Drug storage room
12, 72 Open / close sliding part
13 Shower appliances
14 Shower water supply hose
15 Raw water flow path
16 Outlet
17, 71 Drug supply push button (outlet opening / closing means)
18, 74 A sliding spring is trapped, and for example, a supply container
19 Inlet
20 Backflow prevention valve (backflow prevention mechanism)
23 Outer wall member
24 partition wall
26,77 Drug supply port
29,81 Drain opening
30, 82 Drain pushbutton
31,90 Air valve
33,85 Drain spring
36 O-ring
37 Clearance
38,75 Pushbutton part
39 Notch groove
40 Supply container
41 Drug supply nozzle
76 Notch slot
78 Spade
79 Opening and closing spring
86 Guide hole
X main flow
Y side flow

Claims (6)

A mixing attachment for flowing down to the downstream side while adding and mixing the mixing agent accommodated in the drug containing chamber adjacent to the raw water channel,
The mixing drug backflow prevention mechanism provided at the inlet at the upstream end of the drug storage chamber, and the outlet to the raw water channel provided at the downstream end of the drug storage chamber are externally provided. Outlet opening and closing means that opens and closes by an operation from,
The outlet is opened by the outlet opening / closing means by the outlet opening / closing means, the backflow prevention mechanism is opened by the pressure of the raw water, and the raw water is caused to flow from the inlet into the medicine containing chamber, A substream of raw water flowing in from the inflow port and flowing out of the outflow port is generated, and the mixing agent flowing in the drug storage chamber flowing out of the outflow port along with the subflow flows down the raw water channel. to be allowed to flow into the raw water in Kihara water channel prior to the draw in the raw water, the secondary flow of the raw water mixed with the mixed agent flowing into said inlet from through said medicine accommodating chamber wherein the raw water channel The mixing agent is added to the raw water and mixed ,
The outlet opening / closing means is composed of a rod-shaped opening / closing sliding portion slidably inserted into the outlet, and slides on the opening / closing sliding portion so that a notch formed on a side surface of the opening / closing sliding portion is provided. The mixing attachment which makes the said outflow port open | released by arrange | positioning ranging over a raw | natural water flow path and the said chemical | medical agent storage chamber . 2. The mixing attachment according to claim 1 , wherein the outlet opening / closing means is a medicine supply push button that opens the outlet by pushing a pressing portion that protrudes outward against a biasing force of a spring. The mixing attachment according to claim 1 or 2 , wherein a pipe diameter of the raw water channel is larger on the downstream side than on the upstream side across the outlet. The medicine storage chamber is provided with a drain opening for removing internal water, and the drain opening is opened by pushing the drain push button against the urging force of the spring so that the internal water is drained. mixing attachment according to any one of claims 1-3 to be eliminated. The medicine storage chamber is provided with a medicine supply port for supplying a medicine for mixing therein, and a medicine supply nozzle having a tip cross-sectional shape that matches the cross-sectional shape of the medicine supply port is inserted to supply the medicine. by opening the mouth, mixing attachment according to any one of claims 1 to 4 for supplying a mixing agent to the medicine accommodating chamber from the feeder. Is used by mounting the shower device, a mixing attachment according to any one of the claims 1-5 mixed agent contained in the medicine receiving chamber is a body agent.

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