JP4713624B2 - Shower head with water purification function - Google Patents

Description

  The present invention relates to a shower head with a water purifying function which is used in a kitchen or kitchen, a washroom or a bathroom, and which has the ability to purify water and / or hot water discharged during use.

  Conventionally, a shower head attached to a wash apparatus or a shower apparatus used in a washroom or a bathroom, etc., and having a water and / or hot water purification ability, for example, chlorine removal described in Registered Utility Model Publication No. 3007614 There was a shower head. In this chlorine removal shower head, a water purification cartridge for purifying water quality and a flow path switching valve for switching hot water discharged from the shower to purified water or raw water are accommodated in the main body.

[Problems of the prior art]
In such a conventional chlorine removal shower head, the flow path switching valve accommodated in the main body of the shower head is disposed upstream of the position where the water purification cartridge is accommodated. Is accommodated in the gripping part, the accommodation capacity of the flow path switching valve is reduced, the flow path switching valve must be formed to be small in accordance with the accommodation part, its shape, structure, etc. are restricted, and It becomes difficult to manufacture, and if the cartridge for water purification is housed in the head, the head becomes heavier than the body, the weight balance of the shower head becomes worse, and it becomes difficult to handle There was a problem.

  The present invention is for solving the above-mentioned problems in the prior art, and the problem specifically set for solving this problem is that the restrictions on the shape, structure, accommodation volume, etc. of the switching valve are relaxed and the weight balance is reduced. An object of the present invention is to provide a shower head with a water purification function which can be made into a good shape and structure.

  The shower head with a water purifying function according to claim 1 of the present invention as means specifically configured to effectively solve the above-described problem is a gripping part that exchangeably accommodates a water purification cartridge, and the gripping part. A shower head with a water purification function that is integrally formed at the tip of the section and has a head having a straight discharge port and a shower discharge port, and the raw water flow path through which the raw water passes from the inside of the grip portion to the inside of the head And a purified water flow path through which the purified water branched from the middle of the raw water flow path passes through the water purification cartridge, and a fixed partition member fixed to the inside of the head and the fixed partition There is provided a switching valve that is pivotally supported by a shaft member projecting downward from the member and has a rotating member that is rotatable with the upper surface contacting the lower surface of the fixed partition member. The raw water outlet of the raw water flow path and the purified water outlet of the purified water flow path that are different from each other are penetrated in the lower surface separately, and the rotating member has a radius equal to the raw water outlet in the distance from the shaft member. A raw water straight channel that communicates one of the two openings provided on the upper surface with the straight outlet, and a raw water shower channel that communicates the other with the shower outlet, and a distance from the shaft member Is provided with a purified water straight passage that communicates one of the two openings provided on the upper surface on the same radius as the purified water outlet and the straight outlet, and a purified shower channel that communicates the other with the shower outlet. The raw water or the purified water can be discharged from either the straight discharge port or the shower discharge port by rotating the rotating member.

  As described above, the shower head with a water purifying function according to claim 1 of the present invention can simplify the shape and structure of the switching valve, and can relax the restriction of the accommodation volume. In addition, it is easy to switch water quality and select discharge, and it is possible to obtain a multi-function switching type shower head with a water purification function with a good weight balance.

  In the following embodiments of the present invention, a case where flow path switching and discharge switching are performed by the same switching valve will be described. 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.

〔Constitution〕
The shower head with a water purifying function in this embodiment is used in a kitchen sink having a mixing faucet that discharges water, hot water or hot / cold mixed water (hereinafter simply referred to as mixed water). As shown in the figure, there is no special protruding part as an operation part on the appearance, and it is formed in a shape as if the operation part is not provided at first glance, and operates the end of the head on the shower discharge surface side Thus, a configuration is provided in which a rotary switching valve is built in which the flow path switching between the raw water and the purified water and the discharge state between the straight and the shower can be switched by operating the same rotary operating section.

  The shower head 100 with a water purification function is formed so as to be separable into the cylinder portion 11 and the cylinder portion 12 so that the water purification cartridge (not shown) can be used as a shower head that can be exchanged. A holding part 101 having an end 13 provided with a screw 14 for screwing into a hose of a mixing faucet, and a straight discharge port 21 and a shower discharge at the end of the holding part 101 opposite to the hose mounting side And a head 102 integrally provided with an outlet 22.

  The gripping part 101 is divided into a cylindrical part 11 integrated on the head 102 side at the intermediate part and a cylindrical part 12 on the hose mounting side, and these can be detachably and integrally combined together. 15 and the tube portion 11 and the tube portion 12 are separated by releasing the screwing of the relay screw portion 15 to accommodate the water purification cartridge 103 (see FIGS. 3 and 4) inside the grip portion 101. To be able to.

  A straight discharge port 21 is formed at the center of the head 102, a shower discharge port 22 is formed so as to surround the periphery thereof, and the peripheral edge of the member forming the shower discharge port 22 is raised so that the discharge port is An outer peripheral side lower end 23 used as an operation unit for turning is formed.

  As shown in FIGS. 3 and 4, the shower head 100 with the water purification function houses a water purification cartridge 103 inside the grip portion 101. In the gripping part 101 that accommodates the water purification cartridge 103, the outer peripheral flow path 31 of the water purification cartridge 103 is a part of the raw water flow path, and the central space 32 of the water purification cartridge 103 is a part of the water purification flow path. Use as part.

  The water purification cartridge 103 has a water purification material 34 formed in a cylindrical shape by providing a hole (central space portion 32) concentrically with the central axis, and filters 35, 36 made of nonwoven fabric, sponge, mesh, or the like on the downstream side. The sterilizing ceramic 37 in the form of granules or pellets sandwiched between the two is accommodated in two spaces formed by caps 41, 42, 43 divided into three parts.

  And it has the cap 41 formed in the bottomed cylindrical shape which provided many slits in the surrounding wall, and the water purification material support wall of the surface perpendicular | vertical to the axial direction which pierced the hole used as a fluid passage in the center part of a cylindrical shape. Thus, the water purification material 34 is accommodated in a space formed by the cap 42 in which the fitting portion with the other caps 41 and 43 is formed at each end.

  The cap 42 connects two cylinders with different diameters by a wall surface perpendicular to the central axis, and a fitting portion with the cap 42 is formed on the larger diameter cylinder of the two cylinders, thereby reducing the smaller diameter cylinder. The sterilization sandwiched between the filters 35 and 36 in the inner space of the large-diameter side cylinder formed by a cap 43 formed with a fitting portion with a cartridge receiver 44 (described later) provided on the head 102 side. A ceramic 37 is accommodated.

  The water purification material 34 accommodated in the space formed by the cap 41 and the cap 42 is made of activated carbon as a main component and hardened in a cylindrical shape, and mixed water permeates between the cylindrical outer peripheral surface and the center hole. When adsorbed, chemical components dissolved in water and fine solid substances floating are adsorbed or filtered.

  In addition, the sterilizing ceramic 37 accommodated in the large-diameter cylinder of the cap 43 adsorbs silver, copper, or the like to a powder obtained by mixing calcium oxide as a base material with zinc oxide, montmorillonite, or the like and sintering it into a granular or pellet form. It adsorbs and sterilizes harmful bacteria in the water on its surface and releases metal ions to sterilize or sterilize harmful bacteria in the water, thereby detoxifying the water quality.

  A cylindrical cartridge receiver 44 for inserting and fixing the tip of the water purification cartridge 103 (the end on the small diameter side of the cap 43) is inserted into the inside of the cylindrical portion 11 of the grip portion 101. Project from. By inserting the end of the cap 43 of the water purification cartridge 103 on the small diameter side into the cartridge receiver 44, the position of the water purification cartridge 103 is fixed. An O-ring 45 is provided on the peripheral surface of the end of the cap 43 on the small diameter side, and leakage is stopped by the O-ring 45 that is in close contact with the inner peripheral surface of the cartridge receiver 44 when the end is inserted into the cartridge receiver 44. It is done.

  Further, the outer peripheral side channel 46 of the cartridge receiver 44 communicates with the outer peripheral side channel 31 of the water purification cartridge 103 and is used as a raw water channel in the grip portion 101, and further, an inner surface side channel 47 of the cartridge receiver 44. Is communicated with the central space portion 32 of the water purification cartridge 103 via the sterilizing ceramic 37 and used as a water purification flow path in the grip portion 101.

  Thereby, in the case of water purification discharge, the mixed water that has flowed into the grip portion 101 passes through the water purification material 34 of the water purification cartridge 103 from the outer peripheral side flow path 31 of the water purification cartridge 103 to purify the water quality. Then, it flows into the central space portion 32 of the water purification material 34 and then passes through the filter 36, the sterilizing ceramic 37, and the filter 35 to sterilize or sterilize the water, thereby detoxifying the water quality. And flows out from the head 102 to the outside.

  Further, in the case of raw water discharge, the water passes through the outer peripheral side channel 31 of the water purification cartridge 103, flows out to the head 102 side through the outer peripheral side channel 46 of the cartridge receiver 44, and then goes out of the head 102 to the outside. Discharge. In the case of this raw water discharge, since the mixed water passes through the outer peripheral side flow path 31 of the water purification cartridge 103, a fine solid substance that causes clogging attached to the surface of the water purification material accumulated at the time of water purification discharge Etc. are washed away so that clogging is less likely to occur during purification discharge, and the purification ability of the water purification material 34 is maintained at a high level and the life is extended.

  In particular, when hot water is discharged, the higher the hot water temperature, the more effectively the activated carbon, which is the main component of the water purification material 34, releases trihalomethane, metal ions, etc. adsorbed during the water discharge. And the regeneration effect of activated carbon can be enhanced.

  Inside the head 102, as shown in FIGS. 3 to 6, the raw water flow path 24 in the head 102 that is connected to the raw water flow path in the gripping part 101, A water purification flow path 25 in the head portion 102 connected to the water purification flow path is formed, and a rotary switching valve 105 that uses the lower end portion 23 on the outer peripheral side of the shower discharge port 22 as an operation portion in a substantially lower half portion thereof. Is incorporated.

  The rotary switching valve 105 includes a fixed partition member 51 that is fixed to the head 102 and a rotary member 52 that is rotatably mounted on the fixed partition member 51, and is provided on the rotary member 52. By operating the outer peripheral side lower end 23, the flow path switching between the raw water and the purified water and the discharge switching between the straight and the shower can be performed.

  The fixed partition member 51 is fixed in the head portion 102, partitions the flow path between the raw water and the purified water, and has a separate outlet to the discharge flow path side of the raw water and the purified water, and is provided on the rotating member 52 side. The predetermined combination of the discharge water and the discharge flow path is selected in accordance with the rotation of the rotation member 52 between the respective inlets. The fixed partition member 51 is arranged side by side in the same direction with respect to the shaft member 62 on the shaft member 62 protruding through the central portion of the disk-shaped partition plate 61 and on the radial straight line including the shaft member 62. A protrusion housing portion 65 is provided that has a purified water outlet 63 and a raw water outlet 64, and provides a click feeling when the rotating member 52 is rotated to a predetermined position and fixes the position so as not to cause a positional shift. Project.

  Each of the purified water outlet 63 and the raw water outlet 64 is biased by a spring 66 and abuts against the rotating member 52 so as not to open a large gap between each opening on the rotating member 52 side. An opening contact member 67 is incorporated. The protrusion accommodating portion 65 accommodates a locking member 69 biased by a spring 68, and each recess 88 provided on the rotating member 52 side when the rotating member 52 rotates (see FIG. 13). The locking member 69 is provided with a click feeling when the fixing partition member 51 and the rotating member 52 are not displaced relative to each other.

  The rotating member 52 is formed into a shallow double cylindrical shape with a lid at both ends, and the mixed water flowing out from the purified water outlet 63 or the raw water outlet 64 of the fixed partition member 51 and the straight outlet 21 respectively. A flow path leading to one of the shower discharge ports 22 is formed inside.

  The rotation member 52 includes a shaft attachment member 71 that is rotatably attached to the shaft member 62 of the fixed partition member 51, and a shower discharge port 22 on the outer peripheral side of the straight discharge port 21 at the lower end surface of the shaft attachment member 71. And a shower plate 72 that forms an outer peripheral lower end 23 serving as an operating portion of the rotating member 52 at the periphery of the shower discharge surface, and a straight portion that is fitted into the center portion of the shower plate 72. It comprises a discharge port 21 and a straight discharge surface forming member 73 that forms a flow path to the straight discharge port 21.

  And in this rotation member 52, the straight discharge flow path 74 is formed in the periphery of the fitting part to the shaft member 62 of the shaft attachment member 71 pivotally attached to the shaft member 62 of the fixed partition member 51, and the straight discharge flow path. A shower discharge channel 76 is formed concentrically on the outer peripheral side of 74 via a cylindrical intermediate partition wall 75.

  The straight discharge flow path 74 is a space formed between the fitting portion 77 provided on the shaft attachment member 71 of the rotating member 52 and the cylindrical intermediate partition wall 75, and on the upper wall of the shaft attachment member 71. An opening 81 that is drilled at an intermediate position between the fitting portion 77 and the cylindrical intermediate partition wall 75 in accordance with the arrangement position of the purified water outlet 63 of the fixed partition member 51 and communicates with the straight discharge guide channel 83 for purified water. In addition, a straight discharge guide channel 87 for raw water is formed at a position outside the cylindrical intermediate partition wall 75 on the upper wall in accordance with the arrangement position of the raw water outlet 64 of the fixed partition member 51. An opening 85 communicating with the straight line is formed to form a straight discharge flow path that is used as both the clean water and raw water flow paths.

  In the straight discharge channel 74, the mixed water flows from the openings 81 and 85 through the straight discharge guide channels 83 and 87 on the upstream side, and the straight discharge surface is formed on the downstream side via the connecting passage portion 26 connected. An intermediate guide channel is formed which flows out into the channel formed inside the member 73 and discharges from the straight discharge port 21 through this channel.

  The shower discharge channel 76 is a space formed between the cylindrical intermediate partition wall 75 and the outer peripheral wall 78 provided in the shaft attachment member 71 of the rotating member 52, and is fitted to the upper wall of the shaft attachment member 71. A guide flow for shower discharge for water purification is formed at a position symmetrical to the opening 81 in accordance with the arrangement position of the purified water outlet 63 of the fixed partition member 51 at an intermediate position between the landing portion 77 and the cylindrical intermediate partition wall 75. An opening 82 communicating with the channel 84 is opened, and the position outside the cylindrical intermediate partition wall 75 on the upper wall is aligned with the position of the raw water outlet 64 of the fixed partition member 51 at a position symmetrical to the opening 85. The perforated opening 86 is opened to form a shower discharge flow path that is used as both clean water and raw water flow paths.

  In the shower discharge channel 76, raw water directly flows in from the opening 86 through which the raw water directly communicates, and purified water flows in from the opening 82 through the shower discharge guide channel 84, and in the downstream side, the shaft attachment member 71. An intermediate guide channel is formed so as to be discharged directly from the shower discharge ports 22,... 22 formed in the shower plate 72 fitted to the lower end of the shower plate 72.

  As shown in FIGS. 7 to 9, the head portion 102 that houses the switching valve 105 has a covered cylindrical outer skin 27 on the discharge side, and a main portion that houses the switching valve 105 forms a covered cylindrical skin 27. The cylindrical portion 11 protrudes, the cartridge receiver 44 protrudes substantially concentrically inside the protruding cylindrical portion 11, and a small-diameter thin cylinder concentrically with respect to the cylindrical center of the outer skin 27 hangs down from the inner surface of the top portion to flow raw water A partition wall 28 that separates the path and the water purification channel is formed, and one end is coupled to the peripheral surface of the partition wall 28 to form a relay partition wall 29 that communicates from the cartridge receiver 44 to the partition wall 28.

  The inner side of the partition wall 28 is a purified water flow path communicating with the inner surface side flow path 47 of the cartridge receiver 44 via the relay partition wall 29, and the outer side is a raw water flow path communicating with the outer peripheral side flow path 46 of the cartridge receiver 44. A fixed partition member 51 of the switching valve 105 is fitted to the lower side of the partition wall 28 to seal the head 102, and the mixed water flowing into the head 102 is straightened to either raw water or purified water according to the operation of the switching valve 105. It discharges from either the discharge port 21 or the shower discharge port 22.

  As shown in FIGS. 10 to 12, the fixed partition member 51 is provided with a shallow cylindrical portion 61 a for fitting to the head 102 on the end edge of the partition plate 61 in the axial direction. A bottomed cylindrical shaft member 62 penetrating therethrough is protruded in the axial direction, a hole 62a is deeply drilled in the axial direction on the downstream end surface of the shaft member 62, and the shaft member 62 is formed on the upstream surface of the partition plate 61. The purified water outlet 63 is provided on the radially outer side from the protruding position, and is on a straight line including the shaft member 62 and the purified water outlet 63, and is near the edge on the same side as the purified water outlet 63 with respect to the shaft member 62. A raw water outlet 64 is drilled at a position, and a protrusion accommodating portion 65 projects on the straight line including the shaft member 62 and the outlets 63 and 64 on the opposite side of the shaft member 62 from the outlets 63 and 64. The inner surface of the partition plate 61 is fitted into the partition wall 28 of the head 102 concentrically with the shaft member 62. The partition wall 61b of the raw water flow path purified water passage erected.

  Deep holes 63a, 64a parallel to the shaft of the shaft member 62 are formed on the downstream side of the outlets 63, 64 concentrically with the outlets 63, 64, and the holes 63a, 64a are provided downstream by springs 66. The biased opening contact member 67 (see FIG. 5) can be accommodated. Further, a deep hole 65a parallel to the axial direction is formed from the lower end surface of the protrusion accommodating portion 65 so that the spring 68 and the locking member 69 (see FIG. 5) can be accommodated.

  As shown in FIGS. 13 to 16, the pivot member 52 has a flat disk 79 that faces the lower surface of the partition plate 51 of the fixed partition member 51. A substantially cylindrical outer peripheral wall 78 is suspended from the outer peripheral end toward the lower surface. The lower end of the outer peripheral wall 78 is adjusted to an outer diameter that allows the shower plate 72 to be fitted, and a leak-proof O-ring is fitted. An O-ring groove 78a is formed, and on the lower surface side of the flat disk 79, a fitting portion 77 that fits around the shaft member 62 of the fixed partition member 51 is formed at the center, and a diameter that is substantially concentric with the fitting portion 77. The straight discharge surface forming member 73 is screwed to the lower end, and the cylindrical intermediate partition wall 75 serving as a partition wall that separates the straight discharge and shower discharge flow paths is suspended.

  A hole 77 a having the same diameter as the inner diameter of the fitting portion 77 that fits outside the shaft member 62 of the fixed partition member 51 is formed in the fitting portion 77 provided at the center of the flat disc 79. So that the shaft member 62 can be rotated about the shaft member 62. The cylindrical intermediate partition wall 75 provided on the outer peripheral side of the fitting portion 77 is formed with a female screw 75a on the inner diameter side of the lower end portion so that the straight discharge surface forming member 73 can be screwed, and a shower plate is provided on the outer peripheral surface. A protrusion 75b that serves as a stopper for position restriction in the axial direction when fitting 72 is provided, and a rectangular notch 75c is provided at one location on the periphery of the protrusion 75b. The shower plate 72 can be engaged with the stopper.

  Around the position where the hole 77a of the flat disk 79 is drilled, the drilled position of the purified water outlet 63 of the fixed partition member 51 and the radial position from the center are substantially on a straight line passing through the center of the flat disk 79. At the same position, an opening 81 to the straight discharge flow path for water purification and an opening 82 to the shower discharge flow path are drilled at an axially symmetric position with respect to the center, and the distal end portion of the locking member 69 extends outwardly. The engaging recesses 88 are formed in the positions where the positions of the holes 65a of the projection accommodating portions 65 provided in the fixed partition member 51 are substantially the same as the radial positions from the center.

  On the straight line perpendicular to the straight line passing through the hole 77a and the center of each of the openings 81 and 82, the raw water outlet 64 of the fixed partition member 51 and the radial direction position from the center are substantially the same. An opening 85 to the straight discharge flow path and an opening 86 to the shower discharge flow path are drilled at axially symmetrical positions with respect to the center, and fixed partition members are provided at positions close to the center side of the openings 85 and 86. Recesses 88 and 88 with which the distal end portion of the locking member 69 engages are formed at positions where the drilling position of the hole 65a of the projection receiving portion 65 provided in 51 and the radial position from the center of the hole 77a are substantially the same. Engrave each one.

  A hole that forms a shower discharge guide channel 84 for water purification that communicates between the opening 82 and the shower discharge channel is formed on the lower surface side of the flat disk 79, and the opening 85 and the straight discharge channel are formed. A square tubular partition wall 89 that forms a straight discharge guide channel 87 that communicates with 74 is provided.

  In order to assemble the fixed partition member 51 and the shaft attachment member 71 to the head 102, the fixed partition member 51 faces the discharge side of the head 102 with the opening side of the hole 62 a provided in the shaft member 62, and the predetermined partition in the head 102. An opening abutting member 67 that is fitted to the position in a predetermined direction and is urged by a spring 66 in each of the holes 63a and 64a of the outflow ports 63 and 64 is built in, respectively. In order not to make a gap between each of the openings 81, 82, 85, 86 on the side, and further, a locking member 69 biased by the spring 68 is accommodated in the hole 65a of the protrusion accommodating portion 65, A fixed partition member is provided so that a click feeling can be given by the tip of the locking member 69 dropping into any one of the recesses 88,. A shaft attachment member 7 on the rotating member 52 side is attached to the shaft member 62 of 51. And a screw member such as a wood screw (see FIG. 5) is screwed into the hole 62a, so that the shaft attaching member 71 of the rotating member 52 is rotatably attached to the shaft member 62 of the fixed partition member 51, and shower discharge is performed. The center position of the surface can be rotated around the center of rotation.

  As shown in FIG. 17, the shower plate 72 is opened at the center, and the straight discharge surface forming member 73 can be fitted to the opening edge of the shower plate 72 and is fitted on the cylindrical intermediate partition wall 75. A shallow cylindrical portion 72a having an inner diameter for projecting on the inner surface side, projecting in the same direction as the cylindrical portion 72a at the outer peripheral end, and setting the inner diameter to the outer diameter of the lower end portion of the outer peripheral wall 78 provided on the shaft attachment member 71 A shallow cylindrical outer peripheral lower end portion 23 having a size for fitting is formed, and a large number of shower discharge ports 22 are provided in the flat plate portion 72b positioned between the cylindrical portion 72a and the outer peripheral lower end portion 23. Drill almost evenly.

  A rectangular protrusion 72c protrudes from the upper end surface of the cylindrical portion 72a of the shower plate 72 to prevent rotation when fitted to the pivot member 71, and a protrusion 75b provided on the cylindrical intermediate partition wall 75 is provided. It forms so that it can engage with the notch 75c and can stop. The height of the cylindrical portion 72a may be equal to or smaller than a size necessary for contacting the protruding portion 75b provided on the cylindrical intermediate partition wall 75, and the height of the outer peripheral side lower end portion 23 is a mating member to be fitted. The size is determined in accordance with the height at the fitting position, and the dimension is such that it does not contact the lower end of the outer skin 27 of the head 102 within that range.

  As shown in FIG. 18, the collective passage portion 26 is deeply engraved in the axial direction with an annular groove 26b having a large number of light beams whose lower end portion on the outer peripheral side partially penetrates the outside on the bottom plate portion 26a of the bottomed cylinder. Then, the side of the bottom plate portion 26a is formed smaller than the outer diameter of the cylindrical portion, and the side of the groove 26b is formed in an open shape. The outer shape of the collective passage portion 26 has a shallow cylindrical portion 26c at the upper portion, and the cylindrical portion 26c is used as a stopper to form an outer diameter that can be fitted into the collective passage portion fitting portion of the straight discharge surface forming member 73. The dimension in the axial direction is adjusted so that the central portion protruding downward from the bottom plate portion 26a is positioned at the cone portion 91c (see FIG. 19) whose diameter is reduced downward formed at the assembly passage portion fitting portion.

  The straight discharge surface forming member 73 is formed so as to be divided vertically. As shown in FIG. 19, the inlet member 91 that forms the divided upper portion of the straight discharge surface forming member 73 is a member that is formed in a cylindrical shape with a hook provided with a perforated disk at the upper end where the assembly passage portion 26 is fitted. As shown in FIG. 20, the outlet member 92 that forms the divided lower part is a member formed in a double cylinder with a circular disk protruding from the lower end.

  As shown in FIG. 19, the inlet member 91 is provided with an opening 91 b for flowing out toward the straight discharge port 21 at the center of the disk portion 91 a, and the opening 91 b is fitted to fit the collective passage portion 26. The opening 91b is used as a joint hole, and the opening 91b is formed in a stepped manner. The larger diameter has a constant inner diameter, and the smaller diameter has a constant cone 91c that decreases in diameter toward the flow path to the straight discharge port 21. And the mixed water flowing out from the fitted passage portion 26 is concentrated toward the central portion. Further, notches 91d,..., 91d are engraved at the lower end at eight circumferentially equal intervals. When the collective passage portion 26 is fitted into the opening 91 b of the inlet member 91, the mixed water flowing out radially outward from the opening of the collective passage portion 26 through the groove 26 b is discharged by the cone portion 91 c of the inlet member 91. Will be concentrated and flow out in the central direction.

  As shown in FIG. 20, the outlet member 92 forms a double cylindrical portion 92d by an outer cylindrical portion 92b having an annular disc 92a projecting from the lower end portion thereof and an inner cylindrical portion 92c provided inside thereof. The straight discharge port 21 having a diameter smaller than the inner diameter of the cylindrical portion is formed at the lower end of the portion 92c, and the gap formed between the outer cylindrical portion 92b and the inner cylindrical portion 92c is changed from the outer surface side to the inner surface side of the outlet member 92. Used as the air passage 92e.

  A plurality of ribs 92f, ..., 92f are interposed between the outer cylindrical portion 92b and the inner cylindrical portion 92c, and the outer cylindrical portion 92b and the inner cylindrical portion 92c are integrally coupled. A male screw 92g is provided on the outer peripheral surface of the outer cylindrical portion 92b so that it can be screwed into a female screw 75a provided on the shaft attachment member 71. The upper end surface of the inner cylindrical portion 92c is formed in a plane perpendicular to the axial center, and when the lower end of the inlet member 91 abuts and the open ends of the notches 91d,. It is formed as a vent for allowing gas to freely flow from the outer side air passage 92e to the inner side straight discharge passage.

[Function and effect]
In such a rotary switching valve 105 having the outer peripheral side lower end portion 23 as an operation portion, the central discharge port 21 and the periphery of the straight discharge port 21 are arranged depending on the rotation position of the operation portion. It is formed so that either raw water or purified water can be selectively discharged from the shower discharge port 22. That is,

  When straight discharge of purified water is selected, as shown in FIGS. 5 and 6, the shaft attachment member 71 of the rotating member 52 is drilled at a position where the purified water outlet 63 of the fixed partition member 51 is drilled. Since the opening 81 is located and the locking member 69 is engaged and fixed in the recess 88, the water purification cartridge 103 purifies the purified water flow from the inner surface side flow path 47 of the cartridge receiver 44 into the head 102. The mixed water that has reached the purified water outlet 63 opened in the water purification space of the fixed partition member 51 via the path 25 passes through the opening 81 formed in the shaft mounting member 71 of the rotating member 52 and enters the shaft mounting member 71. From the straight discharge guide flow path 83 to the collective passage portion 26 via the straight discharge flow passage 74, and flows into the inner cylindrical portion 92 c of the outlet member 92 via the collective passage portion 26. Discharge port 2 Discharged from.

  If the water is turned 180 degrees from the straight water discharge position and the shower water discharge is selected, as shown in FIGS. Since the opening 82 formed in the pivot member 52 of the rotating member 52 is located and the locking member 69 is engaged and fixed in the recess 88, the water is purified by the water purification cartridge 103, and the cartridge receiver 44 The mixed water that has reached the purified water outlet 63 opened from the inner surface side channel 47 through the purified water channel 25 in the head 102 to the purified water space of the fixed partition member 51 is attached to the pivot member 52. It flows into the shaft attachment member 71 from the opening 82 drilled in, and is discharged from the shower discharge port 22 through the shower discharge guide channel 84 and the shower discharge channel 76.

  In addition, if you rotate 90 degrees counterclockwise from the straight water discharge position or rotate 90 degrees clockwise from the clean water shower discharge position and select straight water discharge, As shown in FIGS. 23 and 24, an opening 85 drilled in the shaft attachment member 71 of the rotating member 52 is located at a position where the raw water outlet 64 of the fixed partition member 51 is drilled, and a locking member 69. Is engaged with the recess 88 to fix the position, and passes through the outer peripheral flow path 31 of the water purification cartridge 103 and is fixed from the outer peripheral flow path 46 of the cartridge receiver 44 through the raw water flow path 24 in the head 102. The mixed water that has reached the raw water outlet 64 opened in the raw water space of the partition member 51 flows into the shaft attachment member 71 from the opening 85 formed in the shaft attachment member 71 of the rotating member 52, and Straight discharge guide channel 87 Through the straight discharge passage 74 reaches the set passage portion 26, discharged from the straight discharge port 21 and flows into the inside cylindrical portion 92c of the outlet member 92 through the collection passage portion 26.

  When the raw water shower discharge is selected by rotating 180 degrees from the straight water direct discharge position, as shown in FIGS. 25 and 26, the raw water outlet 64 of the fixed partition member 51 is in a position where it is perforated. Since the opening 86 formed in the pivoting member 71 of the rotating member 52 is positioned and the locking member 69 is engaged and fixed in the recessed portion 88, it passes through the outer peripheral side channel 31 of the water purification cartridge 103. Then, the mixed water that has reached the raw water outlet 64 opened from the outer peripheral side flow path 46 of the cartridge receiver 44 through the raw water flow path 24 in the head 102 into the raw water space of the fixed partition member 51 is rotated by the rotating member. 52 flows into the shaft attachment member 71 through the opening 86 formed in the shaft attachment member 71, and directly flows into the shower discharge channel 76, and is discharged from the shower discharge port 22 through the shower discharge channel 76. .

It is a top view which shows the external appearance of the shower head with a water purification function in embodiment of this invention. It is a side view which shows the external appearance of a shower head with a water purification function same as the above. It is a plane section (BB arrow) figure showing a shower head with a water purification function same as the above. It is side surface sectional drawing (AA arrow) figure which shows a shower head with a water purification function same as the above. It is side surface sectional drawing which expands and shows the head at the time of the water purification straight discharge of the shower head with a water purification function same as the above. It is a plane cross section (CC arrow view) which expands and shows the head at the time of the water purification straight discharge of the shower head with a water purification function same as the above. It is a plane cross section (JJ arrow) figure which expands and shows the head simple substance in a shower head with a water purification function same as the above. It is a side surface sectional view (KK arrow) figure which expands and shows the head simple substance in a shower head with a water purification function same as the above. It is a front section (LL arrow) figure which expands and shows the head simple substance in the shower head with a water purification function same as the above. It is an upper top view which expands and shows the fixed partition member in the shower head with a water purification function same as the above. It is a longitudinal view which expands and shows the fixed partition member in the shower head with a water purification function same as the above. It is a lower top view which expands and shows the fixed partition member in the shower head with a water purification function same as the above. It is an upper top view which expands and shows the axial attachment member of the rotation member in the shower head with a water purification function same as the above. It is side surface sectional drawing (MM arrow view) which expands and shows the axial attachment member of the rotation member in the shower head with a water purification function same as the above. It is a lower top view which expands and shows the axial attachment member of the rotation member in the shower head with a water purification function same as the above. It is side surface sectional drawing (NN arrow) figure which expands and shows the axial attachment member of the rotation member in the shower head with a water purification function same as the above. It is explanatory drawing which expands and shows the shower plate in the shower head with a water purification function same as the above, (A) is a longitudinal cross-sectional view, (B) is a top view. It is explanatory drawing which expands and shows the gathering passage part in the shower head with a water purification function same as the above, (A) is a longitudinal cross-sectional view, (B) is an upper plan view, (C) is a lower plan view. It is explanatory drawing which expands and shows the inlet member in the shower head with a water purification function same as the above, (A) is a longitudinal cross-sectional view, (B) is an upper plan view, (C) is a lower plan view. It is explanatory drawing which expands and shows the exit member in the shower head with a water purification function same as the above, (A) is a longitudinal cross-sectional view, (B) is a bottom plan view. It is side surface sectional drawing which expands and shows the head at the time of the purified water shower discharge of the shower head with a purified water function same as the above. It is a plane cross section (OO arrow view) which expands and shows the head at the time of water purification shower discharge of the shower head with a water purification function same as the above. It is side surface sectional drawing which expands and shows the head at the time of the raw water straight discharge of the shower head with a water purification function same as the above. It is a plane cross section (PP arrow view) which expands and shows the head at the time of the raw water straight discharge of a shower head with a water purification function same as the above. It is side surface sectional drawing which expands and shows the head at the time of raw water shower discharge of the shower head with a water purification function same as the above. It is a plane cross section (QQ arrow) figure which expands and shows the head at the time of the raw water shower discharge of the shower head with a water purification function same as the above.

Explanation of symbols

11, 12 Tube portion 21 Straight discharge port 22 Shower discharge port 31 Outer peripheral side flow path 32 (of the water purification cartridge) Central space portion 34 Water purification material 35, 36 Filter 37 Sterilization ceramic 41, 42, 43 Cap 44 Cartridge receptacle 46 Outer side channel 47 (of the cartridge receiver) Inner side channel 51 (of the cartridge receiver) Fixed partition member 52 Rotating member 61 Partition plate 62 Shaft member 63 Purified water outlet 64 Raw water outlet 65 Protrusion receiving portion 66 Spring 67 Opening Contact member 68 Spring 69 Locking member 71 Axial member 72 Shower plate 73 Straight discharge surface forming member 74 Straight discharge flow path 75 Cylindrical intermediate partition wall 75a Female thread 76 Shower discharge flow path 77 Fitting portion 77a Hole 78 Outer peripheral wall 79 Flat Discs 81, 82, 85, 86 Opening 84 Shower discharge guide flow path 87 Guide discharge channel 88 Recess 89 Partition 91 Inlet member 91a Disc 91b Opening 91c Cone 91d Notch 92 Outlet 92a Annular disc 92b Outer cylinder 92c Inner cylinder 92d Double cylinder 92e Ventilation Channel 92f Rib 92g Male thread 100 Shower head 101 with water purification function Grip portion 102 Head 103 Water quality purification cartridge 105 Switching valve

Claims (1)

A shower with a water purifying function, having a gripping part 101 in which a water purification cartridge 103 is exchangeably accommodated, and a head 102 formed integrally with the tip of the gripping part 101 and having a straight discharge port 21 and a shower discharge port 22. Head,
A raw water flow path through which raw water passes from the inside of the grip portion 101 to the inside of the head 102, and a purified water flow path through which the purified water branched from the middle of the raw water flow path and passed through the water purification cartridge 103 passes. ,
The head 102 is pivotally supported by a fixed partition member 51 fixed therein and a shaft member 62 projecting downward from the fixed partition member 51, and the upper surface rotates in contact with the lower surface of the fixed partition member 51. A switching valve 105 comprising a rotatable member 52 is provided;
The fixed partition member 51 is individually perforated with a raw water outlet 64 of the raw water flow path and a purified water outlet 63 of the purified water flow path having different distances from the shaft member 62 on the lower surface,
The rotating member 52 has raw water in which one of the two openings 81 and 82 provided on the upper surface on the radius having the same distance from the shaft member 62 as the raw water outlet 64 communicates with the straight discharge port 21. A straight flow path and a raw water shower flow path communicating with the shower discharge port 22 on the other side are provided, and two openings 85 provided on the upper surface on the radius whose distance from the shaft member 62 is equal to the purified water outlet 63. , 86 is provided with a purified water straight passage that communicates with one of the straight outlets 21 and a purified water shower passage that communicates with the other and the shower outlet 22.
A shower head with a water purifying function, wherein either the raw water or the purified water can be discharged from either the straight discharge port 21 or the shower discharge port 22 by rotating the rotating member 52.

Images