JP3799007B2 - Automatic cleaning structure of water purification cartridge in shower head with water purification function - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automatic cleaning structure for a cartridge for purifying water in a device for discharging purified water and / or hot water used in a kitchen or kitchen, a washroom or a bathroom.
[0002]
[Prior art]
Conventionally, for example, a registered utility model publication No. 3007614 can be used in a shower head which is an example of an apparatus having a water and / or hot water purification capability attached to a wash apparatus or a shower apparatus used in a washroom or a bathroom. There was a chlorine removal shower head described in No. 1.
In this chlorine removal shower head, a water purification cartridge for purifying the water quality and a switching valve for switching the hot water discharged from the shower to purified water or raw water are accommodated in the main body.
[0003]
〔problem〕
In such a conventional chlorine removal shower head, the switching valve accommodated in the main body of the shower head is disposed upstream of the position where the water purification cartridge is accommodated, so the water purification cartridge is The accommodation volume of the switching valve becomes small, the switching valve has to be made small in accordance with the accommodation section, its shape, structure, etc. are restricted, and manufacturing becomes difficult, In the case where the cartridge for water purification is housed in the head, the head is heavier than the body, the weight balance of the shower head is deteriorated, and it becomes difficult to handle. Furthermore, in the case of raw water discharge, it is closed at the inlet side of the water quality purification cartridge, and the raw water does not flow out through another flow path and does not flow through the inlet side of the water quality purification cartridge. Therefore, there is a problem that clogging is likely to occur and the purification capacity is rapidly reduced.
[0004]
[Problems to be solved by the invention]
The present invention is for solving the above-mentioned problems in the prior art, and the problem for this purpose is that the raw water passes through the inlet side of the water purification cartridge when the raw water is discharged, and so on. It is an object of the present invention to provide an automatic cleaning structure for a water purification cartridge in a shower head with a water purification function capable of washing away water.
Furthermore, the cartridge for water quality purification in the shower head with the water purification function that can relieve the restrictions on the shape, structure, storage capacity, etc. of the switching valve in the shower head with the water purification function and can have a balanced shape and structure in handling. It is to provide an automatic cleaning structure.
[0005]
[Means for Solving the Problems]
As means specifically configured to solve the above-mentioned problem effectively, the first problem-solving means relating to the automatic cleaning structure of the water purification cartridge in the shower head of the present invention is provided with a shower discharge end at the tip. The water purification that forms a cartridge outer peripheral flow path between the gripping part that connects the heads and forms the inside as a cartridge accommodating part, and is exchangeably accommodated in the cartridge accommodating part of the grasping part, and the inner periphery of the gripping part Cartridge, a cylindrical water purification material provided in the water purification cartridge and having a central space portion that forms a flow path different from the cartridge outer circumferential flow path on the inner peripheral surface side, and the water purification material A water purification flow path for purifying the water quality, a raw water flow path that does not pass through the water purification material, and a flow path switching valve provided with a shut-off valve that opens and closes the raw water flow path, Either one of the outer peripheral side flow path and the central space portion is a common flow path through which raw water passes during both discharge of raw water discharge and purified water discharge, and upstream of the cartridge along the upstream surface of the water purification material. A part of the raw water flow path serving as a side flow path, and the other as a part of the water purification flow path located downstream of the flow path through the water purification material of the water purification cartridge from the shared flow path, For each of the flow path and the raw water flow path, a downstream flow path of the water purification cartridge is formed separately, and the flow switching valve is connected to the downstream flow path on the raw water side of the water purification cartridge. Is provided with a shut-off valve that opens and closes the downstream flow path on the raw water side, opens the shut-off valve when water flows, and flows downstream from the cartridge upstream flow path on the raw water side of the water purification cartridge. Open to the road The raw water flowing through the open flow path flows along the upstream surface of the cartridge for water purification, and is filtered during the discharge of the purified water. It is characterized in that it is formed as a water quality switching valve for washing off the accumulated solid substances and other accumulated substances that cause accumulated clogging.
[0006]
Further, the second problem-solving means is formed by forming the cartridge upstream flow path formed by the built-in water purification cartridge from the outer flow path of the water purification cartridge, and A flow path that reaches the central space formed in the center via a water purification material provided in the water purification cartridge is formed as a part of the purified water flow path.
[0007]
In the third problem solving means, the cartridge upstream flow path formed by incorporating the water purification cartridge is formed by a central space portion of the water purification cartridge, and the water purification is performed from the central space portion. The flow path reaching the outer peripheral side flow path through the water purification material provided in the cartridge is formed as a part of the water purification flow path.
[0008]
Also, the fourth problem solving means is arranged in the raw water-side shut-off valve disposed in the raw water flow path downstream of the water quality purification cartridge and the water purification flow path downstream of the water quality purification cartridge. In addition, a flow path switching valve provided with a shut-off valve on the purified water side is provided.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the case where the shower head with a water purification function is provided in the faucet attached to a kitchen as embodiment in this invention is demonstrated.
However, this embodiment is specifically described for better understanding of the gist of the invention, and does not limit the content of the invention unless otherwise specified.
[0010]
〔Constitution〕
As shown in FIG. 1, the kitchen in this embodiment is arranged so that a faucet of a mixing faucet 2 that mixes and flows hot water and water is positioned above the sink 1 and is connected to the mixing faucet 2. A shower head 10 with a water purifying function is attached to the tip of the flexible hose 3 and is detachably locked to a shower head support member (hereinafter referred to as a holder portion) 4 that is rotatably provided at the bottom of the mixing tap 2. Then, water or hot water or hot / cold water mixed water (hereinafter simply referred to as mixed water) is discharged while the shower head 10 with a water purification function is held in the holder portion 4, and the shower with the water purification function is also discharged from the holder portion 4. The head 10 is removed, the hose 3 is pulled out as necessary, the bent water is discharged to discharge the mixed water, and the mixed water can be freely supplied from the central part to the peripheral part of the sink 1 by use. .
[0011]
As shown in FIGS. 2 to 4, the shower head 10 with a water purification function used here has an end that can be attached to the hose 3 of the mixing faucet 2 so that it can be used as a shower head used in a kitchen. A grip 11 and a head 12 integrally provided with a shower discharge port 12a at an end of the grip 11 opposite to the hose attachment side are provided.
[0012]
The gripping part 11 is divided into a cylinder part 11a on the head 12 side and a cylinder part 11b on the hose attachment side at the intermediate part, and a relay screw part 11c is provided so that these can be detachably and integrally combined. The cartridge 11 for water purification (see FIGS. 5 and 6) can be accommodated inside the gripping part 11 by releasing the screwing of the relay thread part 11c and separating the cylindrical part 11a and the cylindrical part 11b. In addition, a thick cylindrical hose connection portion 11f provided with a hose attachment screw 11d is formed at the end on the hose attachment side to facilitate attachment / detachment with the hose.
[0013]
A push button 13 for switching a channel protrudes from the head 12 at a position opposite to the gripping portion 11 side, and a straight discharge port 12b is formed at the center of the shower discharge port 12a. A switching lever 14 for switching between discharge from the straight discharge port 12b and discharge from the shower discharge port 12a is provided on the downstream side closest to the installation position so as to protrude from the lower surface forming the shower discharge port 12a.
[0014]
As shown in FIGS. 5 to 7, a water purification cartridge 15 is accommodated in the shower head 10, and an outer periphery of the water purification cartridge 15 is accommodated in the grip portion 11 that accommodates the water purification cartridge 15. The side flow path 21 is used as a part of the raw water flow path, and the central space 22 of the water purification cartridge 15 is used as a part of the water purification flow path. The mixed water passes through the water purification material 15a of the water purification cartridge 15 from the outer peripheral flow path 21 of the water purification cartridge 15, purifies the water quality, flows out to the central space portion 22, and in the case of discharging raw water Then, it passes through the outer peripheral flow path 21 of the water purification cartridge 15 and is discharged outside.
[0015]
The water purification cartridge 15 is disposed so as to be sandwiched between the water purification material 15a formed in a cylindrical shape by providing a hole (central space portion 22) concentrically with the central axis, and the nonwoven fabrics 15b and 15c on the downstream side. The granular or pellet-like sterilizing ceramic 15d is accommodated in two spaces formed by caps 15e, 15f, 15g divided into three parts.
[0016]
The water purification material 15a is a water purification on a surface perpendicular to the axial direction in which a cap 15e formed in a cylindrical shape with a bottom provided with a number of slits on the peripheral wall and a hole serving as a fluid passage in the center of the cylindrical shape are formed. It is accommodated in a space provided by a cap 15f having a material support wall and having a fitting portion with each of the other caps 15e and 15g at each end.
[0017]
Further, the sterilizing ceramic 15d sandwiched between the nonwoven fabrics 15b and 15c has two cylinders having different diameters from the cap 15f connected by a wall surface perpendicular to the axial direction, and the cap 15f is connected to the larger diameter cylinder of the two cylinders. The inner space of the large-diameter cylinder provided by a cap 15g that forms a fitting portion with a cartridge receiver 11e (described later) provided on the head 12 side of the small-diameter cylinder. To house.
[0018]
The water purification material 15a to be contained is made of activated carbon as a main component and hardened in a cylindrical shape. When mixed water permeates between the cylindrical outer peripheral surface and the center hole, chemical components dissolved in water and Floating fine solid substances are adsorbed or filtered.
In addition, the sterilizing ceramic 15d is obtained by adsorbing silver or copper or the like on the surface of a mixture obtained by mixing zinc oxide, montmorillonite, etc. with calcium phosphate as a base material and sintering it in a granular or pellet form. Adsorbs and sterilizes and releases metal ions to sterilize or sterilize harmful bacteria in the water, thereby detoxifying the water quality.
[0019]
In the case of raw water discharge, since the mixed water passes through the flow path 21 formed on the outer peripheral side of the water purification cartridge 15, the raw water passing through the flow path 21 causes the surface of the water purification material accumulated during the clean water discharge. Fine solid substances that cause clogging are washed away so that clogging is less likely to occur during purification discharge, the purification ability of the water purification material 15a is maintained at a high level, and the life is extended. In particular, when hot water is discharged into the raw water, the higher the hot water temperature, the more effectively the activated carbon, which is the main component of the water purification material 15a, releases trihalomethane, metal ions, etc. adsorbed at the time of water discharge. And the regeneration effect of activated carbon can be enhanced.
[0020]
A cylindrical cartridge receiver 11e for inserting and fixing the tip of the water purification cartridge 15 (the end on the small diameter side of the cap 15g) protrudes from the inner end of the cylinder 11a on the head 12 side of the grip 11. To do.
By inserting the small diameter end of the cap 15g of the water purification cartridge 15 into the cartridge receiver 11e, the position of the water purification cartridge 15 is fixed.
An O-ring 15h is provided on the peripheral surface of the small diameter end of the cap 15g. When the cap 15g is inserted into the cartridge receiver 11e, leakage is stopped by the O-ring 15h that is in close contact with the inner peripheral surface of the cartridge receiver 11e.
[0021]
The flow path 23 on the outer peripheral side of the cartridge receiver 11e communicates with the outer peripheral flow path 21 of the water purification cartridge 15 and is used as a part of the raw water flow path. Further, the flow path 24 on the inner surface side of the cartridge receiver 11e. Is communicated with the central space 22 of the water purification cartridge 15 via the sterilizing ceramic 15d, and is used as a part of the water purification flow path.
[0022]
In the head 12 from which the push button 13 and the switching lever 14 protrude, the raw water flow paths (21, 23) and the purified water flow paths (22, 24) are respectively shown in FIGS. The inlets (valve inlet portions) of the other shut-off valve 16 and shut-off valve 17 communicate with each other. These shutoff valves 16 and 17 function as flow path switching valves (water quality switching valves) that are simultaneously operated by the push button 13.
[0023]
The outlets (downstream side) of the shut-off valves 16 and 17 are formed in one and the same space (hereinafter referred to as a gathering part) 18, and the downstream side of the gathering part 18 is between the partition member 12 c and the partition member 12 d. The sintered magnetic body 19 formed in the shape of a disk with a large number of small holes is arranged and pressed against the partition member 12d side by the spring component 20 so that the shower head 10 is swung to prevent rattling. To do.
[0024]
This sintered magnetic body 19 is provided with an amorphous film layer mainly made of iron oxide, cobalt oxide, lithium carbonate or the like on the surface of a ferrite base material mainly made of iron oxide. It has a function and a sterilization function, promotes the release of metal ions from the sterilization ceramic and the release of oxygen from montmorillonite by the action of magnetic force, strengthens the sterilization effect, and propagates inside the activated carbon that is the main component of the water purification material 15a The sterilized bacteria are effectively sterilized or sterilized to improve the water quality.
[0025]
And depending on the arrangement position, it also has a bactericidal action on the bacteria that have entered from the discharge side, thereby suppressing the growth of various bacteria and making it unnecessary to dispose of water at the beginning of use. Moreover, since the large thing of the sintered magnetic body 19 can be put in the head 12, the purification function can be enhanced, the grip portion 11 can be made small in diameter, and the diameter can be suppressed to be easily gripped, and the size can be increased. Can be prevented.
[0026]
On the downstream side of the sintered magnetic body 19, the mixed water that has passed through the small holes of the sintered magnetic body 19 gathers in the center and is discharged to the respective inlet portions of the shower discharge port 12 a and the straight discharge port 12 b. And an inlet portion formed in a cylindrical shape of the straight discharge port 12b is formed immediately downstream with a slight gap from the collective passage portion 25, and the collective passage portion 25 and the straight discharge port are formed. The valve body 26a of the discharge switching valve 26 is disposed in the gap between the inlet portion 12b and the outer peripheral side of the inlet portion of the straight outlet 12b is used as the inlet portion of the shower outlet 12a.
[0027]
The discharge switching valve 26 includes a valve body 26a formed so as to freely enter and exit in a gap provided between the collect passage portion 25 and the inlet portion of the straight discharge port 12b, and has a shallow concave surface on the upper surface, and a shower discharge port 12a. The mounting end of the valve body 26a is fixed to an end portion that is penetrated and supported so as to be rotatable about the axis and is located inside the shower discharge port 12a, and the switching lever 14 is disposed at an end portion that is located outside the shower discharge port 12a. And a shaft portion 26b to which the mounting end is fixed.
[0028]
As shown in FIGS. 5, 10, and 11, the cutoff valve 16 and the cutoff valve 17 include a cutoff valve 16 that communicates with the raw water flow path (21, 23) and a cutoff valve 17 that communicates with the purified water flow path (22, 24). The positions of the valve seat 16a and the valve seat 17a are shifted from each other with respect to the axial direction of the grip portion 11, and either one of the valves is closed depending on the pushing amount of the push button 13. The
[0029]
As shown in FIG. 10, the shutoff valve 16 is positioned so that the valve seat 16a is closed by a shallow push amount of the push button 13, and the valve seat 16a is formed in an annular body. The valve is closed by placing a valve body 16b formed in a hard sphere (ball) such as a steel ball from the upstream side in the hole.
In the shut-off valve 16, a box-shaped valve body support member 16c is formed, and the coil spring 16d and the valve body 16b are accommodated in the valve body support member 16c, and the valve body 16b is moved by the pressing force of the coil spring 16d. Press against the valve seat 16a.
[0030]
As shown in FIG. 11, the shut-off valve 17 has a valve seat 17a positioned so that the valve is closed when the push button 13 is deeply pushed, and the valve seat 17a is formed into an annular body. The valve is closed by placing a valve element 17b formed in a hard sphere (ball) such as a steel ball from the upstream side in the hole.
In the shut-off valve 17, a box-shaped valve body support member 17c is formed, and the coil spring 17d and the valve body 17b are accommodated in the valve body support member 17c, and the valve body 17b is moved by the pressing force of the coil spring 17d. Press against the valve seat 17a.
[0031]
When the shut-off valve 16 is stopped at the position where the valve is closed as shown in FIG. 10, the push button 13 is pushed in a shallow amount. Therefore, the shut-off valve 17 has the valve body 17b of the valve seat 17a as shown in FIG. Since it stops at the helicopter part and does not reach the hole of the valve seat 17a formed in the annular body, the valve remains open.
[0032]
As shown in FIGS. 5, 8, and 12, between the push button 13, the shutoff valve 16 and the shutoff valve 17, the valve body support member 16c and the valve body support member 17c are engaged with each other to engage the valve body support member 16c. And a switching shaft 13a integrally provided with two push rods 31 and 31 for allowing the valve body 16b and the valve body 17b to move simultaneously by pressing the valve body support member 17c and the valve body support member 17c. A combination of a switching ring 13b, a first switching top 13c, and a second switching top 13d, which are three parts constituting a cam mechanism for changing the distance, is fitted into a predetermined position.
[0033]
The switching shaft 13 a has two push rods 31, 31 arranged on both sides, a bottomed cylindrical member 32 with the bottom facing the valve side at the center, and two plate-like support members 33, 33. The bottomed cylindrical member 32 and the push rods 31, 31 are coupled at predetermined intervals.
[0034]
Claw members 34 and 34 for engaging with the side surfaces of the push button 13 are provided at the end portions on the outer sides of the portions where the support members 33 of the push rods 31 and 31 are joined, and the end portions have elasticity so that they can be moved close to and away from each other. A guide for guiding the movement direction of the push rods 31, 31 in the direction perpendicular to the protruding direction of the claw members 34, 34 at the respective end portions provided with the claw members 34, 34. The members 35, 35, 35, and 35 are formed to project.
[0035]
As shown in FIGS. 13A, 13E, the switching ring 13b has a groove 36a formed on the inner diameter side of the cylindrical portion 36, and a flange portion 37 provided on the outer peripheral side of the cylindrical portion 36. At the top and bottom of the portion 37, claw portions 38, 38 that engage with a switching cover 13e, which will be described later, and fix the position are projected.
[0036]
The grooves 36a formed on the inner diameter side of the cylindrical portion 36 are alternately formed with shallow grooves 361 in the axial direction and deep grooves 362 in the axial direction, and the end surfaces on the switching shaft side of the portions other than the grooves are directed in the same direction. An inclined surface 36b is formed, and the end of the rib 43 provided on the first switching top 13c that contacts is moved according to the direction of the formed inclined surface 36b, guided, and carved shallow groove 361. And any of the deep grooves 362 in the axial direction.
[0037]
As shown in FIGS. 14 (A),..., (E), the first switching top 13c is divided into a thin shaft portion 41 and a thick shaft portion 42. Set up 3 on the top pitch. An inclined surface 43a that is inclined in the same direction as the inclined surface 36b provided on the end surface of the switching ring 13b on the switching shaft side is formed at the end portion of the rib 43 that is located on the switching ring side.
[0038]
As shown in FIGS. 15 (A),..., (D), the second switching top 13d has the narrow shaft portion 41 of the first switching top 13c inserted at one end and the inner center of the push button 13 at the other end. A cylindrical member 44 having a hole into which the positioning support bar 13f protruding from the portion is inserted, and six ribs 45 are provided upright at equal circumferential intervals on the end located on the first switching top side. An end portion on which the inclined portion 43a of the rib provided on the first switching top 13c abuts is formed at the end portion on the standing side, and a concave portion 44a having an inclined end surface is formed, and the first switching top 13c in contact with the concave portion is formed. As the rib 43 moves along the inclined surface of the inclined recess 44a, the first switching top 13c rotates in a certain direction.
[0039]
As shown in FIG. 12, the switching cover 13e has a bottomed cylindrical member 32 of the switching shaft 13a fitted in an intermediate portion of a plate portion 47 provided with push rod insertion holes 46, 46 so as to be movable in the axial direction. At the same time, a cylindrical portion 48 is formed into which the cylindrical portion 36 of the switching ring 13b is fitted, and holes 49, 49 for engaging the claws 38, 38 of the switching ring 13b are formed in the vertical position of the tip portion of the cylindrical portion 48. Further, notches 50, 50 are provided on the side surface of the cylindrical portion 48 on the side where the push rod insertion holes 46, 46 are formed so that the support members 33, 33 of the switching shaft 13a can move freely in the axial direction. Form.
[0040]
Between the side wall in which the push rod insertion holes 51, 51 of the partition member 12c that partitions the inside of the head 12 are formed and the plate portion 47 in which the push rod insertion holes 46, 46 of the switching cover 13e are formed, The O-rings 52, 52 are interposed in accordance with the drilling positions of the push rod insertion holes 46, 46, 51, 51, and the coil spring 53 is disposed at the intermediate portion thereof, so that the bottomed cylindrical portion of the switching shaft 13a is disposed. The bottom part of 32 is spring-biased in the direction away from the side wall of the partition member 12c.
[0041]
When the switching shaft 13a moves in a direction away from the side wall of the partition member 12c due to the urging force of the coil spring 53, the rib 43 of the first switching top 13c enters the deep groove 36a (362) of the switching ring 13b and moves. If there is nothing in the way, the first switching top 13c and the second switching top 13d that are in contact with the bottomed cylindrical member 32 are deep grooves 36a formed in the cylindrical portion 36 of the switching ring 13b. (362) slides in the same direction as the moving direction of the switching shaft 13a until the edge of the opening side of the bottomed cylindrical member 32 provided on the switching shaft 13a comes into contact with the flange 37 of the switching ring 13b and stops. Moving.
[0042]
[Function and effect]
In the embodiment configured as described above, by operating the push button 13 incorporated in the head 12, the purified mixture is obtained when the push button 13 protrudes from the head 12 (shallow push amount). The raw water flows out in a state where the amount of water that has flowed out and the push button 13 has entered and protruded from the head 12 is small (a deep pushing amount).
[0043]
First, when the purified mixed water is flowing out, as shown in FIGS. 16 to 21, when the push button 13 is pressed, the second switching top 13 d in contact with the push button 13 is switched to the first switch. The top 13c is pushed to transmit a pressing force from the first switching top 13c to the switching shaft 13a, and the switching shaft 13a is moved in the direction close to the side wall of the partition member 12c against the urging force of the coil spring 53.
[0044]
At this time, when the first switching top 13c slides in the groove of the switching ring 13b and moves until it disengages from the groove, the first switching top 13c pushed by the second switching top 13d becomes the second switching top 13d. According to the shape of the contact portion with the first switching top 13c, it moves so as to change the direction of close contact and rotates as a result, changing the relative position between the first switching top 13c and the end face 36b of the switching ring 13b, The shut-off valve 16 is opened, the shut-off valve 17 is closed, and switching to outflow of non-purified mixed water is performed.
[0045]
When the shutoff valve 16 is opened, the shutoff valve 17 is closed, and the mixed water flowing out becomes non-purified mixed water, the switching shaft 13a is returned by the biasing force of the coil spring 53, and the first switching top 13c is provided. The end of the rib contacts the shallow groove side carved in the switching ring 13b to fix the position.
[0046]
The push button 13 is pushed again, and the pressing force is transmitted from the second switching top 13d in contact with the push button 13 to the first switching top 13c and further to the switching shaft 13a, thereby resisting the biasing force of the coil spring 53. When the switching shaft 13a is moved in the direction close to the side wall of the partition member 12c, the end of the rib provided on the first switching top 13c is engaged with the shallow groove 36a (361) formed in the switching ring 13b. And the first switching top 13c pushed by the second switching top 13d moves so as to change the direction of contact according to the shape of the contact portion between the second switching top 13d and the first switching top 13c. And the relative position between the first switching top 13c and the end face 36b of the switching ring 13b is changed.
[0047]
As a result, as shown in FIGS. 5 to 11, the rib 43 provided in the first switching top 13 c enters the deep groove 36 a (362) in the axial direction of the switching ring 13 b, and the first force is applied by the biasing force of the coil spring 53. The rib 43 provided on the switching top 13c is slid along the groove of the switching ring 13b in a direction away from the side wall of the partition member 12c, and the switching shaft 13a in contact with the first switching top 13c is partitioned. It moves to the direction away from the side wall of the member 12c, the shutoff valve 16 is closed, the shutoff valve 17 is opened, and it switches to outflow of purified mixed water.
[0048]
Further, when the shower is being discharged, the valve body 26a is disengaged from the inlet portion of the straight discharge port 12b when the switching lever 14 is operated and rotated around the shaft portion 26b independently of the operation of the push button 13. The mixed water coming out from the collecting passage 25 flows into the inlet portion of the straight discharge port 12b and is discharged straight.
[0049]
Further, when the straight discharge is performed, if the switching lever 14 is operated in the opposite direction and rotated in the reverse direction around the shaft portion 26b, the valve body 26a enters the inlet portion of the straight discharge port 12b and passes through the collective passage. The mixed water produced from the portion 25 is prevented from flowing into the inlet portion of the straight discharge port 12b, the flow path is changed to the shower discharge port 12a side, and the shower discharge is performed as shown in FIG.
[0050]
In such an embodiment, the restriction of the flow path switching valve composed of the shutoff valves 16 and 17 for switching the water quality can be expanded to a range where it can be incorporated into the head 12, and the size of the flow path switching valve can be increased. Can be greatly relaxed, the operation of the flow path switching valve can be performed on the head 12 side, so that the operability is improved, and the weight distribution between the head 12 and the grip portion 11 can be distributed in a well-balanced manner. The shape and structure can be well balanced in handling the shower head.
[0051]
By incorporating the water purification cartridge 15 in the grip 11, a part of the raw water flow path can be formed on the outer peripheral side of the water purification cartridge 15, and the water quality purification provided in the water purification cartridge 15 from this raw water flow path. A part of the purified water flow path that reaches the central space 22 formed in the center via the material 15a can be formed, the flow path configuration can be simplified and compact, and the structure of the gripping part 11 is simplified. More contents of the water purification material 15a can be stored.
[0052]
The flow path upstream of the water purification material 15a is a shared flow path for raw water and purified water, and solid substances and other accumulated substances that cause clogging accumulated during the purification water discharge can be washed away during the raw water discharge. It is possible to make clogging difficult and extend the life of the water purification material 15a.
[0053]
A water purification cartridge 15 is incorporated in the gripping part 11 and a flow path switching valve is incorporated in the head part 12 so that the flow path can be simplified most easily, weight distribution is improved, and handling is extremely balanced. It becomes a good shower head, and it is lightweight and inexpensive.
[0054]
The flow path switching valve is an alternating switching type shut-off valve in which the raw water shut-off valve 16 and the purified water shut-off valve 17 alternately shut off the flow path by the same push button 13, so that the push button protruding to the head 12 By pressing 13, the purified mixed water and the non-purified mixed water can be switched and used, and the operability is improved.
[0055]
Further, since the raw water shut-off valve 16 and the water purification shut-off valve 17 of the alternating switching shut-off valve are respectively spherical valve bodies 16b and 17b, when the valve is closed, the water pressure applied to the spherical valve bodies 16b and 17b is a coil spring. Together with the urging forces of 16d and 17d, the spherical valve bodies 16b and 17b act so as to be pressed against the valve seats 16a and 17a, so that the sealing can be ensured.
[0056]
Since the discharge switching valve 26 is formed as a lever-operated shut-off valve, shower discharge and straight discharge can be selected regardless of which of the raw water shut-off valve 16 and the purified water shut-off valve 17 is open. Convenience can be improved.
This shower head 10 with a water purifying function can be used not only in a kitchen but also in a washroom, a bathroom, etc., and has very high versatility.
[0057]
[Another aspect]
Although this embodiment is specifically described in order to facilitate understanding of the gist of the invention, it does not limit the content of the invention, and thus does not limit another aspect that is not particularly described. It may be changed. In this sense, another embodiment that meets the spirit of the invention is shown below.
[0058]
[First aspect]
In the above embodiment, the shower head 10 with a water purifying function is connected via the exposed hose 3 connected to the mixing faucet 2, but as shown in FIG. You may make it the type which attached the shower head 10 with a water-purifying function to the hose (not shown) provided so that it could be penetrated and pulled out and stored.
[0059]
In this case, the shower head 10 with a water purifying function can be pulled out from the holder part 5a as needed at the time of use, the hose can be extended, and the mixed water can be discharged to the target position. While returning the hose, the shower head 10 with the water purification function is engaged to return to the original state. As a result, the discharge range can be expanded from the immediate position of the mixing faucet 5 to a wide range where the hose is extended, and the appearance around the faucet can be improved and the usability can be improved.
[0060]
[Second aspect]
In the above-described embodiment, the water purification cartridge 15 is provided with the cap 15e covering the entire water purification material 15a for purifying the mixed water, and the main component is activated carbon solidified in a cylindrical shape on the cap 15e. Although the water purification material 15a is accommodated, as shown in FIGS. 23 and 24, a filter medium 15i is provided on the outer periphery of the water quality purification material 15a, and the shape of the cap 15e is almost entirely mixed water. It may be changed so that it is exposed.
[0061]
In this case, the water purification cartridge 15 is provided with a filter medium 15i on the outer periphery of a water purification material 15a mainly composed of activated carbon, and the cap 15e is formed to hold only the upstream end of the water purification material 15a. Then, the downstream end is held by the cap 15f, and the outermost part of the water purification material 15a covered with the filter medium 15i is exposed.
[0062]
Thereby, at the time of raw water discharge, at the time of purified water discharge by the mixed water which passes the outer peripheral side of the water quality purification material 15a covered with the filter medium 15i in the common flow path of the raw water and the purified water upstream of the water quality purification material 15a. Accumulation accumulated on the surface of the filter medium 15i can be washed away, clogging is less likely to occur, and deterioration of the water purification material 15a can be prevented, and the water purification performance can be maintained at a high level for a long period of time.
[0063]
[Third Aspect]
In the embodiment, the raw water passes as the raw water flow path through the outer peripheral side channel 21 formed on the outer peripheral side of the water purification cartridge 15, passes through the water quality purification material 15 a from the outer peripheral side channel 21 and passes through the central space portion. Although the water purification flow path purified by exiting to 22 is formed, conversely, as shown in FIG. 25, the raw water passes through the central space portion 22 as the raw water flow path, and the water purification is performed from the central space portion 22. A purified water flow path that is purified by passing through the material and flowing out to the outer peripheral flow path 21 may be formed.
[0064]
That is, the configuration of the flow path is such that the central portion of the water purification cartridge 15 is formed as a raw water flow path, and the outer peripheral flow path 21 of the water quality purification cartridge 15 is formed as a water purification flow path. With the same configuration as in the above embodiment, the purified water that permeates the water purification material 15a from the central space portion 22 toward the outer periphery by the operation of the push button 13 provided on the head 12, The shower head which switches discharge with the raw | natural water which passes the central space part 22 without permeate | transmitting the water purification material 15a is formed.
[0065]
The water purification cartridge 15 includes a water purification material 15a disposed on the inner side mainly composed of activated carbon obtained by providing a central space 22 which is a hole penetrating concentrically with the central axis and solidified in a cylindrical shape, and the activated carbon The water purification material 15k formed into a three-layered cylindrical structure is divided into a sterilizing ceramic 15j arranged on the outer peripheral side and formed into a cylindrical shape, and a filter medium 15i made of a nonwoven fabric covering the outer peripheral side of the sterilizing ceramic 15j. The cap is accommodated in a space formed by the caps 15l and 15m.
[0066]
Among these, a hole 15n is formed in the central portion on the end surface of the cap 151, and a hole 15p is formed in the central portion on the end surface of the cap 15m, and the raw water flowing into the grip portion 11 from the faucet (or hose) side is formed in the hole. It passes through 15n and flows into the central space portion 22 so that it can pass through the hole 15p from the central space portion 22 and flow out to the shut-off valve side.
[0067]
At the end of the raw water inflow side of the water purification cartridge 15, a protruding cylindrical portion 55 that fits inside the hose connection portion 11 f of the grip portion 11 is formed, and an O-ring groove 56 is cut on the outer peripheral surface of the cylindrical portion 55. The O-ring 57 is fitted into the O-ring groove 56 to prevent leakage between the inner surface of the hose connecting portion 11f and the outer peripheral surface of the cylindrical portion 55, and the raw water is supplied with the purified water channel (outer peripheral channel). 21) Prevent inflow to the side.
[0068]
Then, the positions of the raw water side shut-off valve 16 and the purified water side shut-off valve 17 arranged in the head 12 are opposite to those in the above embodiment, and the outer peripheral side flow path 21 of the water purification cartridge 15 is. Is a water purification flow path, a valve disposed at a position communicating with the upstream flow path of the water purification cartridge 15 communicates with the shut-off valve 17 on the water purification side and the central space 22 of the water purification cartridge 15. The valve disposed at the position is the cutoff valve 16 on the raw water side, and the position of the valve seat through which the purified water or raw water passes is shifted to the opposite side to the case of the above embodiment.
[0069]
By the arrangement of the shut-off valve, the relationship between the operation of the push button 13 and the opening / closing operation or discharge state of the shut-off valves 16 and 17 is reversed from the case of the above embodiment, and the push button 13 is placed at a shallow push amount position. In some cases, the raw water side shut-off valve 16 is opened, the purified water shut-off valve 17 is closed and raw water is discharged, and when the push button 13 is at a deep pushing position, the purified water side shut-off valve is turned on. 17 becomes the valve open state, the shutoff valve 16 on the raw water side becomes the valve closed state, and the purified water is discharged.
[0070]
[Fourth aspect]
In the above embodiment, the mixed water forms a flow path so as to reach the purification-side cutoff valve 17 after purification, but conversely passes through the purification-side cutoff valve 17 as shown in FIGS. Then, the water quality may be purified by passing through the water purification material 15a.
That is, the individual members other than the members related to the configuration of the flow path have the same configuration as in the above embodiment, and a shower head that switches between purified water and raw water by the push button 13 provided on the head 12 is formed. Is the same.
[0071]
The configuration differs from the above embodiment in the following points.
First, an inner cylinder portion 101 that protrudes concentrically to reach the upstream end of the water purification cartridge 15 with a predetermined flow path width is provided inside the cylinder portion 11a that protrudes from the head 12 side. Thus, the raw water channel 102 is formed outside the inner cylinder part 101, and the cartridge outer periphery channel 103 is formed inside the inner cylinder part 101. The cartridge outer peripheral flow path 103 communicates with the flow path 104 on the downstream side of the shutoff valve 17.
[0072]
A cartridge receiver 11e into which a cap 15g arranged on the head side of the water purification cartridge 15 is inserted is formed at the front end portion of the inner cylinder portion 101, and the non-purification side shutoff valve 16 is formed from the front end portion. An inner cylinder purified water conduit 106 having a rectangular cross section communicating with the collecting portion 105 formed on the outlet side is formed, and the outside of the inner cylinder purified water conduit 106 communicates with the cartridge outer peripheral passage 103. Thus, the inner side of the inner cylinder purified water conduit 106 becomes a purified water flow path 107 which is a flow path of purified water that has passed through the water purification cartridge 15.
[0073]
In this case, the water purification cartridge has an end disposed on the head 12 side in the same manner as in the above-described embodiment, and an end disposed on the raw water inflow side of the grip 11 is an end of the cap 15e. A cap end portion having a bottomed cylindrical shape having a thick portion that is fitted into the tip portion of the inner cylinder portion 101 and contacts the tip surface is formed, and an O-ring groove 15q is formed on the outer peripheral surface of the cap end portion. An O-ring 15r that is in contact with the inner surface of the tip of the inner cylinder portion 101 and prevents liquid leakage is fitted into the O-ring groove 15q.
[0074]
The thus formed water purification cartridge 15 is inserted into the inner cylinder portion 101, the tip cap 15g is fitted into the cartridge receiver 11e, and the cap end of the cap 15e abuts against the tip of the inner cylinder portion 101. When the position is fixed, the cartridge outer peripheral flow path 103 is formed by a gap formed between the inner cylinder portion 101 and the water purification cartridge 15.
[0075]
Thus, when raw water flows in from the hose connection part 11f of the gripping part 11, it passes through the raw water flow path 102 formed on the outer peripheral side of the inner cylinder part 101 and is a common valve provided upstream of the shutoff valves 16 and 17. It flows into the inner space and is divided into raw water discharge or purified water discharge depending on the position of the push button 13.
[0076]
In the case of water purification discharge, as shown in FIG. 27, the cartridge outer peripheral flow path passes through the valve seat 17a of the shutoff valve 17 and passes from the downstream flow path 104 to the outside of the inner cylinder purified water conduit 106. 103, flows through the water purification material 15a of the water purification cartridge 15 and flows out into the central space 22, passes through the non-woven fabric 15b, the sterilizing ceramic 15d, and the non-woven fabric 15c from the central space 22 and further passes through the inner cylinder. After passing through the purified water flow path 107 inside the inner purified water conduit 106 and flowing out to the collecting portion 105 and passing through the sintered magnetic body 19, it flows out to the outside by shower discharge or straight discharge.
[0077]
Thus, a shower head having a flow path from the shut-off valve 17 to the water purification cartridge 15 can be formed, and the flow path switching valves 16 and 17 can be provided on the upstream side of the water purification cartridge 15. Therefore, the flow path switching valves 16 and 17 can be provided on either the upstream side or the downstream side of the water purification cartridge 15, both of which can be operated by operating the push button 13 provided on the head 12. Purified mixed water or non-purified mixed water can be selected, and these can select straight discharge and shower discharge separately from the selection of purified water and raw water.
[0078]
[5th aspect]
As another aspect of the fourth alternative aspect, the inner cylinder portion is formed short, and a part of the flow path after passing through the shutoff valve is provided inside the water purification cartridge connected to the short inner cylinder portion. What you did is fine.
[0079]
That is, in place of the water purification cartridge 15, as shown in FIGS. 28 and 29, a cartridge case 111a formed in a bottomed cylinder with a certain gap is provided on the outer peripheral side of each cap 15e, 15f, 15g. A new water purification cartridge 111 having a heavy wall structure is formed. A gap formed between the cartridge case 111a of the water purification cartridge 111 and each of the caps 15e, 15f, and 15g is defined as a raw water flow path 113 via the shutoff valve 17.
[0080]
On the head 12 side, there is provided a front end portion 114 formed with a cartridge receiver 11e for fitting the mounting end of the water purification cartridge 111, and the front end portion 114 has two partition walls 114a perpendicular to the axial direction inside. , 114b are spaced apart to form two flow passage spaces 115, 116. The flow passage space 115 communicates with the raw water flow passage 113 of the water purification cartridge 111 through the communication passage 115a and is blocked by the communication passage 115b. The flow path space 116 communicates with the flow path 117 on the downstream side of the valve 17. The flow path space 116 is connected to the housing part of the sterilization ceramic 15 d of the water purification cartridge 111 and the central space part 22 by a hole 116 a drilled in the central part of the partition wall 114 a. The communication passages 115a, 115b, 116b are communicated with each other so as to communicate with the collecting portion 118 through the communication passage 116b. To form a microporous 116a.
[0081]
As a result, when the mounting end of the water purification cartridge 111 is fitted into the cartridge receiver 114 formed on the head 12, the raw water flows from the hose connection portion 11 f into the grip portion 11, Passes the passage 21, reaches the upstream of the shutoff valves 16, 17, passes through the purification side shutoff valve 17, flows out from the flow passage 117 to the flow passage space 115 through the communication passage 115b, and further passes through the communication passage 115a. Then, it flows out into the raw water passage 113 formed inside the water purification cartridge 111, penetrates and permeates the inside of the water purification material 15a, exits to the central space portion 22, and is then sandwiched between the nonwoven fabrics 15b and 15c. It passes through the sterilizing ceramic 15d, flows out to the flow path space 116 through the hole 116a, and further flows out to the collecting portion 118 through the communication path 116b. It passes through the straightening discharged or shower discharge from.
[0082]
In this way, the raw water that has flowed into the gripper 11 passes through the outer peripheral flow path 21 of the water purification cartridge 111 and reaches the purification shutoff valve 17, passes through the shutoff valve 17, and then enters the water purification cartridge 111. A shower head having a purification flow path that reaches the water purification material 15a through the raw water flow path 113 formed in the above can be formed, and the gripping portion 11 can be used in the same usage form as in the embodiment.
[0083]
[Sixth aspect]
Further, when the push button 13 is pushed in deeply by reversing the relationship between the operation of the push button 13 incorporated in the head 12 and the opening / closing operation or discharge state of the shut-off valves 16 and 17 from the case of the above embodiment. The water may be discharged at a position where the push button 13 is shallowly pressed.
[0084]
For example, in the case where the arrangement of the shut-off valves 16 and 17 on the head is the same as the configuration of the above-described embodiment, the flow path of purified water is different in the fourth and fifth different modes. When the button 13 is pressed deeply, the water is discharged, and when the push button 13 is pressed shallowly, the raw water is discharged.
[0085]
Moreover, in the said embodiment, if the position of the valve seat of the cutoff valve 16 and the cutoff valve 17 is reversed, the discharge state by operation of a push button will be reversed if the position of the valve seat of a raw | natural water side and a purified water side is reversed. When the push button 13 is shallow, the raw water is discharged, and when the push button 13 is deep, the purified water is discharged.
In these cases, the other functions remain unchanged and function in exactly the same way.
[0086]
[Seventh aspect]
In the above-described embodiment, the operation end of the flow path switching valve is formed in a push button type. However, the operation end may be changed to a lever type by changing the driving method of the valve body.
That is, as shown in FIGS. 30 to 31, the shut-off valve 16 for raw water and the shut-off valve 17 for water purification change the arrangement height by the shut-off valves 16 and 17, respectively, and the upper side is for raw water and the lower side is for water purification. Place as.
[0087]
A plate material corresponding to the floor on which the valve seat 16a of the raw water shut-off valve 16 is provided is formed as a partition plate 121 that vertically separates from the water shut-off valve 17, and a valve seat 17a of the clean water shut-off valve 17 is formed. A plate material corresponding to the floor to be provided is formed as a partition plate 122 that partitions the assembly portion 18.
At the position where the valve seat 16a of the shut-off valve 16 for raw water is provided, the cylindrical member 122a hanging below the partition plate 121 and the cylindrical member 122a standing above the partition plate 122 can be moved and sealed in the axial direction. To form a raw water passage 123 that communicates the upper side of the partition plate 121 and the lower side of the partition plate 122.
[0088]
A space on the upstream side of the shutoff valve 16 communicating with the flow path 23 on the outer peripheral side of the cartridge receiver 11e is formed above the partition plate 121, and a gathering portion formed on the downstream side of the shutoff valve 17 below the partition plate 122. 18, the space between the partition plate 121 and the partition plate 122 is a space on the upstream side of the shutoff valve 17 communicating with the flow path 24 on the inner surface side of the cartridge receiver 11e.
[0089]
A recess 124 formed including the partition plate 121 as a space for assembling the operation lever is provided on the side peripheral surface on the front side of the head 12. A support shaft 125 for the operating lever that passes through the recess 124 in the vertical direction is rotatably attached. The valve body support member 16c of the shutoff valve 16 is fixed to the upper end portion of the support shaft 125, and the lower end portion of the support shaft 125 is fixed. A valve body support member 17c of the shut-off valve 17 is fixed, and an operation lever 126 having an operation end 126b protruding in a rod shape from a base portion 126a having a planar shape widened in the support shaft radial direction is provided at the center of the support shaft 125. Fits outside. Then, in the vicinity of the place where the valve body support members 16c and 17c of the support shaft 125 are fixed, the support shaft 125 is fitted to the bearing portions 125a and 125b fixed to the partition plate 121, respectively, so that the support shaft 125 can be rotated. To support.
Thereby, the valve body support members 16c and 17a of the shut-off valves 16 and 17 are simultaneously operated in the turning direction of the support shaft 125 that is turned according to the movement of the operation end of the operation lever 126. Open and close 17 respectively.
[0090]
[Eighth aspect]
In the seventh aspect, the operation end of the flow path switching valve is formed in a lever shape, but the operation end may be formed in a seesaw type push button.
That is, as shown in FIGS. 32 to 33, the portion of the operation end 126 b that protrudes in a rod shape is removed from the base 126 a that is widened in the support shaft radial direction of the operation lever 126, and instead, the center front surface 127 a is recessed. Further, both side ends 127b and 127c are projected outward (forward) from the outer surface of the head 12, and one of the side ends 127b or 127c projecting outward can be selectively pushed to the left and right. The seesaw-type push button 127 is formed by shaping the shape as described above. Other portions are formed in the same manner as in the seventh alternative embodiment.
[0091]
Thereby, the operation end of the seesaw-type push button is realized, and each of the shut-off valves is arranged in the rotation direction of the support shaft 125 that rotates according to the movement of the side end by pushing one of the side end 127b or the side end 127c. The valve body support members 16c and 17a of 16 and 17 operate simultaneously, and each of the shut-off valves 16 and 17 opens and closes, so that the same operation as the lever type can be performed.
[0092]
[Ninth aspect]
In the above embodiment, the operation part of the discharge switching valve is formed in the operation lever type, but the operation part may be formed in the rotary operation part.
That is, as shown in FIGS. 34 to 35, a rotary discharge switching valve that branches the flow path from the collective passage portion 132 provided in the partition member 131 to the shower discharge port 12 a and the straight discharge port 12 b by the branching portion 133. 134 is formed.
[0093]
The flow path of the rotary discharge switching valve 134 is formed by rotating the screen member 135 forming the shower discharge port 12a by 90 ° about its vertical axis, so that the collect passage portion 132 is shown in FIG. Is formed so that the flow path is changed to the shower discharge port 12a at the branch portion 133, and the screen member 135 is rotated from the position at the time of shower discharge to the opposite side by 90 ° around the vertical axis. As shown at 35, the flow path of the rotary discharge switching valve 134 reaches the straight discharge port 12b as it is without changing the flow path at the branch portion 133.
[0094]
Such a configuration of the rotary discharge switching valve 134 includes the screen member 135 in which the shower discharge port 12a is formed and the cylindrical flange portion is provided at the center to form the straight discharge port 12b, and the straight discharge port 12b is formed. A flow path changing member 137 that engages with the upper end of the cylindrical portion 136 that rotates in the same direction as the screen member 135 rotates, and a storage space in which the sintered magnetic body 19 is accommodated and a shower in which mixed water is discharged. It consists of a partition member 131 that partitions the discharge water retention space and that forms a collecting passage portion 132 at the center, and an O-ring 140 that is provided on the straight discharge side of the flow path changing member 137. The member 137 is combined and screwed to the collective passage portion 132 with a screw 138, and the screen member 135 is rotated around the axis of the screw 138. Assembling the road changing member 137 rotatably.
[0095]
As shown in FIGS. 36 and 37, the screen member 135 is provided with a cylindrical portion 136 that forms a straight discharge port 12b at the center of a plate portion 135a that forms a shower discharge port 12a having a large number of small holes, and a plate. A ring-shaped edge portion 135b that engages with the partition member 131 and is rotatably attached to the head 12 is provided at the outer peripheral end of the portion 135a. Projecting portions 135c,..., 135c projecting toward each other are provided so that they can be engaged with grooves formed in the partition member 131.
[0096]
The end portion of the cylindrical portion 136 located on the same side as the side from which the edge portion 135b of the plate portion 135a protrudes has the same unevenness at mutually axially symmetrical positions at a portion equally divided by 1/4 of the end face. The recesses 136a or the protrusions 136b are formed so that the positions of the protrusions 136 are positioned so that the unevenness in the axial direction can be alternately provided in two places on the circumference.
[0097]
As shown in FIGS. 38 and 39, the flow path changing member 137 includes an internal partition 137b in which two flow paths are formed in a ring-shaped outer peripheral portion 137a interposed between the partition member 131 and the screen member 135. Is provided.
The internal partition 137b has a total of two bolt holes 137c and straight discharge holes 137d penetrating in the axial direction, one in each axially symmetric position, and the surface of the internal partition 137b on the contact side with the partition member 131 Are provided with O-ring grooves 137e and 137e into which the O-rings 140 provided around the holes 137d and 137d are fitted, and grooves 137f and 137f extending sideways are formed at positions rotated by 90 ° of the holes 137d and 137d. And holes 137g and 137g penetrating the wall surface are formed in the side surfaces of the corresponding outer peripheral portions 137a so that the mixed water can flow out from the grooves 137f and 137f to the side via the holes 137g and 137g. .
[0098]
The inner partition 137b is provided with recesses 137h and 137h in which the grooves 137f and 137f are opposite to the grooves 137f and 137f on the downstream surface, and the cylindrical portion 136 provided in the screen member 135. It forms so that the recessed part 136a and the convex part 136b can fit.
[0099]
As shown in FIGS. 40 and 41, the partition member 131 is formed in a shape in which cylindrical fitting portions 131b and 131c projecting on both sides are provided on the outer peripheral edge of the disk 131a, respectively, and on the upstream side of the disk 131a. A ring-shaped protruding portion 131d having a height adjusted so that a predetermined gap is provided when the sintered magnetic body 19 is placed on the surface is provided, and the collective passage portion 132 protruding downstream from the central portion of the disk 131a. Form.
[0100]
The collective passage portion 132 has a cylindrical outer surface and is drilled on the downstream side of the central portion and does not penetrate the upstream side (or a small hole so that the screw 138 can be screwed and stopped) 132a A ring-shaped groove 132b that is formed in the outer peripheral side of the screw hole 132a from the upstream side so that the mixed water that has passed through the sintered magnetic body 19 can flow in, and is axially symmetric with respect to the center in accordance with the groove 132b. The through holes 132c and 132c are formed in a total of two fan shapes, one at each position.
[0101]
In the collective passage portion 132 provided in the partition member 131, the concave portion 136a and the convex portion 136b of the cylindrical portion 136 provided in the screen member 135 and the back side of the groove 137f of the flow path changing member 137 and the concave portion 137h are fitted. By assembling the screen member 135 and the flow path changing member 137 with respect to the partition member 131 with the screw 138 so as to be rotatable, the outer peripheral surface of the screen member 135 is held by hand and rotated around the axis of the screw 138. Thus, switching between straight discharge and shower discharge can be performed.
[0102]
[10th aspect]
In the above embodiment, the shower head 10 is connected to the flexible hose 3 connected to the mixing faucet 2, but the hose 3 is not provided, and the shower head 10 may be directly connected to the mixing faucet 2.
[0103]
In this case, for example, as shown in FIG. 42, the discharge port 62a of the mixing faucet 62 is formed to have a diameter larger than that of the hose connection portion 11f formed in the grip portion 11 of the shower head 10, and the shower head 10 The direct attachment adapter 151 is fitted to the hose attachment screw 11d formed in the hose connection portion 11f, and the direct attachment adapter 151 is inserted into the discharge port 62a, whereby the shower head 10 is directly connected to the mixing faucet 62. Connect to.
[0104]
The adapter 151 for direct mounting is provided with a gasket groove 151a on the inner surface side so that a leakage gasket 152 can be interposed between the hose connection portion 11f and an O-ring 153 for leakage sealing on the outer surface side. An O-ring groove 151b is formed. Further, a plurality of position fixing screw insertion holes 151c are formed at equal intervals on the circumference at the position on the shower head side of the O-ring groove engraving portion.
[0105]
A screw screw hole 62b for fixing the shower head position is formed in the discharge port 62a. When the shower head 10 is connected to the mixing faucet 62, the screw 63 is screwed into the screw screw hole 62b. The distal end portion of the screw 63 is inserted into a screw insertion hole 151c provided in the direct mounting adapter 151 to prevent the shower head 10 directly attached to the discharge port 62a from rotating or coming off.
Thereby, the shower head 10 attached directly to the mixing faucet 62 can be used similarly to a tap.
[0106]
[Eleventh aspect]
In the above embodiment, the shower head 10 is connected to the mixing faucet 2 or 62, but instead of the mixing faucet 2 or 62, it may be connected to a single faucet that discharges only hot water or water.
For example, as shown in FIG. 43, the shower head 10 is connected to a flexible hose 74 connected to a water faucet 73 and is detachably held in a holder portion 75 as in the embodiment.
[0107]
Thereby, by operating the lever 73a provided in the single water faucet 73, water discharge and water stop are switched by raising and lowering the lever 73a, and the amount of water discharged is adjusted by the left and right operations of the lever 73a. Further, if necessary, the shower head 10 can be extracted from the holder portion 75 and discharged at any position within the reach of the hose 74.
[0108]
【The invention's effect】
As described above, in the first problem solving means relating to the automatic cleaning structure of the water purification cartridge in the shower head according to the present invention, the raw water in the raw water discharge and the purified water discharge formed along the upstream surface of the water purification cartridge. Even if solid substances and other accumulations that cause clogging in the raw water accumulate in the flow path upstream of the common flow path, the flow path switching valve is opened. When the raw water is discharged, it is opened from the cartridge upstream flow path to the downstream flow path on the raw water side of the water purification cartridge, and formed along the upstream surface of the water purification cartridge by the raw water flowing through this open flow path. From the cartridge upstream flow path, which is a shared flow path, wash away accumulated material accumulated during clean water discharge and open the raw water flow path to discharge raw water. Can be washed away buildup every switching, it is possible to lengthen the life of the water purification materials as well as difficult to cause trouble due to clogging during water purification discharge.
In addition, a flow path switching valve for switching the water quality is provided on the downstream side of the cartridge housing part formed in the grip part, so that a wide range from the end on the head connection side of the grip part to the head can be switched. It can be expanded to the range where the valve can be installed, the restriction of the size of the flow path switching valve can be greatly relaxed compared to the conventional, and the flow path can be formed in the simplest configuration In addition, the operability and weight distribution of the shower head can be distributed in a well-balanced manner, and the shape and structure can be easily handled, and the weight and cost can be reduced.
[0109]
Further, in the second problem solving means, the cartridge upstream flow path is formed by the outer circumferential flow path of the water purification cartridge, and the water purification material provided in the water purification cartridge is provided from the outer circumferential flow path. By forming the flow path leading to the central space formed in the center as a part of the water purification flow path, a cartridge for water purification having a cylindrical water purification material in the cartridge housing portion formed in the gripping section is provided. It is possible to simplify the flow path configuration formed by accommodating the exchangeable and make it compact, and the flow path on the outer peripheral side (upstream side) of the water purification cartridge is a shared flow for the raw water discharge and the purified water discharge. It is possible to remove the solid substances that cause clogging accumulated during clean water discharge, and cause problems due to clogging. Life of the cartridge water purification can be extended as well as difficult to.
[0110]
In the third problem solving means, the flow path upstream of the cartridge is formed by the central space portion of the cartridge for water purification, and the outer peripheral side is provided from the central space portion through the water purification material provided in the cartridge for water purification. By forming the flow path leading to the flow path as a part of the water purification flow path, the cartridge for water purification having a cylindrical water quality purification material is exchangeably accommodated in the cartridge storage portion formed in the grip portion. The channel structure formed can be simplified and compact, and the central space (upstream channel) formed on the center side of the water purification material provided in the water purification cartridge is used as raw water. Can be used as a common flow path for discharge and clean water discharge, and easily wash away solid substances that cause clogging accumulated during clean water discharge Can, it is possible to increase the life of the cartridge for water purification as well as less susceptible to malfunction due to clogging.
[0111]
Further, in the fourth problem solving means, the flow path provided with the raw water side shut-off valve and the purified water side shut-off valve respectively disposed in the raw water flow path and the purified water flow path downstream from the water purification cartridge. By providing a switching valve, it is possible to form an alternating switching type valve that switches between raw water and purified water alternately, and can reliably seal the closed side by switching each flow path. The operability and convenience of the switching valve can be increased.
[Brief description of the drawings]
FIG. 1 is a perspective explanatory view showing a case where a shower head with a water purifying function according to an embodiment of the present invention is attached to a kitchen faucet.
FIG. 2 is a plan view showing an appearance of a shower head with a water purification function.
FIG. 3 is a side view showing the appearance of the shower head with the water purification function.
FIG. 4 is a front view showing the appearance of the shower head with the water purification function.
FIG. 5 is a plan sectional view showing a case where a water purification side shut-off valve of a flow path switching valve in the shower head with the water purification function is in the open position.
FIG. 6 is a side cross-sectional view showing a case where the water purification side shut-off valve of the flow path switching valve in the shower head with the water purification function is in the open position.
FIG. 7 is a cross-sectional view with respect to a plane perpendicular to the axial direction of the grip portion of the shower head with the water purification function.
FIG. 8 is a plan sectional view showing a case where a water purification side shut-off valve of the flow path switching valve in the head of the shower head with the water purification function is in the open position.
9 is an enlarged side sectional view taken along the line AA in FIG.
10 is a side cross-sectional view at the BB fracture position in FIG. 8. FIG.
11 is a side cross-sectional view taken along the line CC of FIG.
FIG. 12 is an exploded perspective view showing the operation portion of the flow path switching valve in the shower head with the water purification function.
FIG. 13 is an external view showing a switching ring in the shower head with the water purification function, wherein (A) is a side view, (B) is a left front view, (C) is a right front view, and (D) is an upper plan view. (E) is a lower plan view.
FIG. 14 is an external view showing the first switching top in the shower head with the water purification function, wherein (A) is a side view, (B) is a left front view, (C) is a right front view, and (D) is an upper view. A plan view, (E) is a lower plan view.
FIG. 15 is an external view showing a second switching top in the shower head with the same water purification function as above, (A) is a side view, (B) is a left front view, (C) is a right front view, and (D) is an upper view. It is a top view.
FIG. 16 is a plan sectional view showing a case where the raw water side shut-off valve of the flow path switching valve in the shower head with the water purification function is in the open position.
FIG. 17 is a side sectional view showing a case where the raw water side shut-off valve of the flow path switching valve in the shower head with a water purification function is in the open position.
FIG. 18 is a plan sectional view showing a case where the raw water side shut-off valve of the flow path switching valve in the head of the shower head with the water purification function is in the open position.
19 is an enlarged side cross-sectional view taken along the DD fracture position in FIG. 18;
20 is a side cross-sectional view at the EE fracture position in FIG. 18;
FIG. 21 is a side cross-sectional view at the FF fracture position of FIG. 18;
FIG. 22 is a perspective explanatory view showing a shower head with a water purifying function attached to a hose drawer / storage type faucet according to a first different aspect of the embodiment of the present invention.
FIG. 23 is a plan sectional view showing a shower head with a water purification function provided with a water purification cartridge having a filter medium provided on the outer periphery of a water purification material according to a second alternative embodiment of the present invention.
FIG. 24 is a cross-sectional view with respect to a plane perpendicular to the axial direction of the grip portion of the shower head with a water purification function according to the second different embodiment of the same.
FIG. 25 is a plan sectional view showing a shower head with a water purification function using a central space portion of a water purification cartridge according to a third alternative embodiment of the present invention as a raw water flow path.
FIG. 26 is a plan sectional view showing a shower head with a water purifying function for purifying water after passing through a shutoff valve according to a fourth alternative aspect of the embodiment of the present invention.
FIG. 27 is a side sectional view showing a shower head with a water purifying function according to a fourth alternative embodiment of the same.
FIG. 28 is a plan sectional view showing a shower head with a water purification function in which a raw water flow path is formed in a water quality purification cartridge according to a fifth different aspect of the embodiment of the present invention.
FIG. 29 is a side sectional view showing a shower head with a water purifying function according to a fifth different embodiment of the same.
FIG. 30 is an explanatory cross-sectional view showing a state during water purification discharge in a shower head with a water purification function provided with a lever-operated flow path switching valve according to a seventh different aspect of the embodiment of the present invention, and FIG. Sectional drawing, (B) is a side sectional view, (C) is a head front sectional view.
FIG. 31 is a cross-sectional explanatory view showing a state of discharging raw water in the shower head with a water purification function according to the seventh different embodiment, wherein (A) is a plan cross-sectional view, (B) is a side cross-sectional view, and (C) is a head view. FIG.
FIG. 32 is a cross-sectional explanatory view showing a state when water is discharged in a shower head with a water purification function provided with a seesaw-type push button operated flow path switching valve according to an eighth embodiment of the present invention; ) Is a plan sectional view, (B) is a side sectional view, and (C) is a head front sectional view.
FIG. 33 is a cross-sectional explanatory view showing a state during discharge of raw water in the shower head with a water purification function of the eighth different embodiment, wherein (A) is a cross-sectional plan view, (B) is a cross-sectional side view, and (C) is a head view. FIG.
FIG. 34 is a longitudinal sectional view showing a shower discharge state in a shower head with a water purifying function equipped with a rotary switching discharge switching valve according to a ninth aspect of the embodiment of the present invention.
FIG. 35 is a longitudinal sectional view showing a straight discharge state in the shower head with a water purifying function according to the ninth different aspect of the same.
FIG. 36 is a perspective explanatory view showing a screen member in the shower head with a water purifying function according to the ninth different embodiment.
FIG. 37 is a component explanatory view showing a screen member in the shower head with a water purifying function according to the ninth different embodiment, wherein (A) is a plan view and (B) is a longitudinal sectional view.
FIG. 38 is a perspective explanatory view showing a flow path changing member in the shower head with a water purifying function of the ninth different embodiment, wherein (A) is a perspective view when seen from the upper surface side, and (B) is seen from the lower surface side. FIG.
FIG. 39 is a component explanatory view showing the flow path changing member in the shower head with a water purifying function according to the ninth different embodiment, wherein (A) is an upper plan view, (B) is a side view, and (C) is (B). The side view in the position rotated 90 degrees from (D) is a bottom plan view.
FIG. 40 is a perspective explanatory view showing a partition member in the shower head with a water purification function according to the ninth different aspect of the same.
FIG. 41 is a component explanatory view showing a partition member in the shower head with a water purification function of the ninth different aspect of the same, (A) is an upper plan view, (B) is a side view, (C) is a lower plan view, D) is a side view at a position rotated 90 ° from (B).
FIG. 42 is a partial cross-sectional side view showing a faucet directly connected shower head with a water purification function according to a tenth different aspect of the embodiment of the present invention.
FIG. 43 is a perspective explanatory view showing a shower head with a water purifying function connected to a single water faucet according to an eleventh aspect of the embodiment of the present invention.
[Explanation of symbols]
1 sink
2,5,62 Mixer tap
3,74 hose
4,5a, 75 Holder part
10 Shower head
11 gripping part
11a (head side) cylinder
11b (on the hose mounting side)
11c Relay thread
11d Hose mounting screw
11e cartridge holder
11f Hose connection part
12 heads
12a Shower outlet
12b Straight outlet
12c, 12d, 131 Partition member
12e, 12f Bearing part
13 Push button
13a switching shaft
13b Switching ring
13c 1st switching top
13d 2nd switching top
14 Switching lever
15,111 Water purification cartridge
15a, 15k Water purification material
15b, 15c non-woven fabric
15d, 15j sterilizing ceramic
15e, 15f, 15g, 15l, 15m cap
15h, 15r O-ring
15i filter media
15n, 15p hole
15q O-ring groove
16 Shut-off valve (on the raw water side)
16a, 17a Valve seat
16b, 17b Valve body
16c, 17c Valve body support member
16d, 17d coil spring
17 Shut-off valve (on the water purification side)
18,118 gathering part
19 Sintered magnetic material
20 Spring parts
21 Peripheral side flow path
22 Central space
23 Flow path (outer side of cartridge receiver)
24 Flow path (inner side of cartridge receiver)
25,132 Meeting passage
26 Discharge switching valve
26a Valve body (of discharge switching valve)
26b Shaft
31 Push rod
32 Bottomed cylindrical member
33 Support member
34 Claw members
35 Guide members
36 Cylindrical part
36a groove
36b inclined surface
37 Buttocks
38 nails
41 Thin shaft
42 Thick shaft
43 Ribs
43a Inclined surface
44 members
44a recess
45 ribs
46 Push rod insertion hole
47 Plate
48 tube
49 holes
50 Notch
51 Push rod insertion hole
52,57,140,153 O-ring
53 Coil spring
55 Cylindrical part
56 O-ring groove
62 Mixer tap
62a faucet
63 screw
73 Single faucet
111a cartridge case
113 Raw water flow path
114 Tip
114a, 114b Partition wall
115,116 Channel space
115a, 115b, 116b communication path
116a hole
117 channel
121,122 Partition plate
122a Cylindrical member
123 Raw water passage
124 recess
125 Support shaft
125a, 125b Bearing part
126 Control lever
126a base
126b Operation end
127 Seesaw push button
127a Center front
127b, 127c side end
133 Bifurcation
134 Rotary Discharge Switching Valve
135 Screen material
136 Cylindrical part
137 Channel change member
138 screw
151 Adapter for direct mounting
152 Sealing gasket
361 Shallow groove (in the axial direction of the switching ring)
362 deep groove (in the axial direction of the switching ring)

Claims (4)

A head between which a shower discharge end is provided at the front end and the inside is formed as a cartridge housing portion is exchangeably accommodated in the cartridge housing portion of this gripping portion. a water purification cartridge that form a outer peripheral flow passage, provided in the water purification cartridge, tubular water having a central space portion forming the cartridge outer peripheral flow path between different flow paths on the inner peripheral surface side and purification material, and purified water flow path to purify the water passes through the water purification material, the raw water flow path that does not pass through the water purification material, and the flow path switching valve provided with a shut-off valve for opening and closing the raw water flow path , And
Either one of the outer peripheral side channel and the central space is a common channel through which raw water passes during both raw water discharge and purified water discharge, and upstream of the cartridge along the upstream surface of the water purification material. A part of the raw water flow path serving as a side flow path, and the other as a part of the water purification flow path located on the downstream side of the flow path through the water purification material of the water purification cartridge from the common flow path,
For each of the purified water channel and the raw water channel, a downstream channel of the water purification cartridge is formed separately,
The flow path switching valve is disposed in a downstream flow path on the raw water side of the water purification cartridge, and a shutoff valve for opening and closing the downstream flow path on the raw water side is provided, and the shutoff valve is opened when water flows. , By opening the cartridge upstream flow path to the downstream flow path on the raw water side of the water purification cartridge, and by opening the raw water discharge from the gripping portion toward the head Raw water flowing through the flow path flows along the upstream surface of the cartridge for water purification, and is formed as a water quality switching valve for washing out solid substances and other accumulated substances that cause clogging that has been filtered and accumulated during the discharge of purified water did
An automatic cleaning structure for a water purification cartridge in a shower head with a water purification function. The cartridge upstream flow path formed by incorporating the water purification cartridge is formed by the outer peripheral flow path of the water purification cartridge, and the water purification material provided in the water purification cartridge from the outer peripheral flow path automatic cleaning of the cartridge for water purification in water purification function shower head according to claim 1, characterized in that the flow passage in the central space portion formed in the central portion is formed as a portion of the purified water flow path through the Construction. The cartridge upstream flow path formed by incorporating the water purification cartridge is formed by a central space portion of the water purification cartridge, and the water purification material provided in the water purification cartridge is provided from the central space portion. The automatic cleaning structure for a cartridge for water purification in a shower head with a water purification function according to claim 1, wherein the flow path leading to the outer peripheral flow path is formed as a part of the water purification flow path. A flow provided with a raw water-side shut-off valve disposed in a raw water flow path downstream of the water purification cartridge and a clean water-side shut-off valve disposed in a water purification flow path downstream of the water purification cartridge. 2. The automatic cleaning structure for a water purification cartridge in a shower head with a water purification function according to claim 1 , further comprising a path switching valve.

Images