JP2002088836A - Shower head with water purifying function - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make delivery water easily and rapidly changeable to either purified water or raw water by providing a directional control valve having a push button type operating mechanism. SOLUTION: This shower head with a water purifying function is provided with a head part with a shower discharge port, and a grip part provided with an end connection to other parts and formed in a directly holdable size. The head part is replaceably stored with a water quality purifying substance and formed with a purified water passage that passes through the water quality purifying substance and discharges water after purifying water quality, and a raw water passage that discharges water without passing through the water quality purifying substance. The head part is further provided with the directional control valve for the changeover of the purified water passage and the raw water passage. An operating end provided at an operating mechanism of the directional control valve is formed as a push button constituted to project outside the head part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shower head having a water purifying function which is used in a kitchen or kitchen, a washroom or a bathroom, and has a function of purifying water and / or hot water discharged at the time of use.

[0002]

2. Description of the Related Art Conventionally, it is attached to a washing apparatus or a shower apparatus used in a washroom or a bathroom, etc., and has a water purifying ability for discharged water, hot water or mixed water (hereinafter simply referred to as mixed water). Examples of the showerhead include a chlorine removal showerhead described in Japanese Utility Model Registration No. 3007614. In the embodiment of the chlorine removal shower head, in the fifth embodiment, a water quality purifying material for purifying water is accommodated in the head, and a switching valve for switching the mixed water discharged from the shower to purified water or raw water is provided. The switching valve switches between pure water and raw water by moving the entire head portion in the axial direction by a screw type moving mechanism.

[Problems] In such a conventional chlorine-removal shower head in which a water-purifying material is housed in a head, a switching valve provided in the shower head is switched to purified water or raw water by a screw-type moving mechanism. Therefore, when switching the water quality to purified water or raw water,
The head portion must be moved in the axial direction by rotating the screw-type moving mechanism, and the operability is poor, and there is a problem that it is not possible to quickly switch between purified water and raw water.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems in the prior art, and a technical problem set for that purpose is to provide a switching valve having a push-button operating mechanism. It is an object of the present invention to provide a shower head with a water purification function that can be provided to easily and quickly switch between purified water and raw water.

[0005]

According to a first aspect of the present invention, there is provided a shower head with a water purifying function, specifically comprising: a head having a shower discharge port; And a holding portion formed in a size that can be held directly by hand.The head has a water-purifying material exchangeably housed in the head, and passes through the water-purifying material to purify water and discharge. Forming a purified water flow path and a raw water flow path for discharging without passing through the water purification material, providing a flow path switching valve for switching between the purified water flow path and the raw water flow path, and operating the flow path switching valve An operation end provided in the mechanism is formed as a push button and protrudes outside the head.

According to a second aspect of the present invention, in the shower head with a water purification function, the flow path switching valve is disposed upstream of the water purification material. Claim 3
In the shower head with a water purification function according to the above, the flow path switching valve is formed as an alternating switching type shutoff valve having a water purification shutoff valve and a raw water shutoff valve that alternately shut off the flow path by the push button. It is characterized by. Claim 4
In the shower head with the water purifying function according to the above, the shut-off valve for water purification and the shut-off valve for raw water of the alternate switching type cut-off valve are each formed as a shut-off valve having a spherical valve body.

In a shower head with a water purifying function according to a fifth aspect, a straight discharge port is provided at a location where the shower discharge port is formed on the head, so that the discharge from the shower discharge port and the discharge from the straight discharge port are performed. A discharge switching valve for switching between discharge and discharge is incorporated. Further, in the shower head with a water purification function according to claim 6, the discharge switching valve is formed as a discharge switching valve having an operation portion formed so as to be able to switch a flow path from outside the head. I do. In the shower head with a water purification function according to claim 7, the discharge switching valve includes an operation lever operated from outside the head.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The following embodiments of the present invention will be described in detail with respect to a shower head having a water purification function provided with a flow path switching valve having a push button protruding from an outer surface of a head. This embodiment is specifically described for better understanding of the gist of the invention, and does not limit the contents of the invention unless otherwise specified.

[First Embodiment] [Configuration] The shower head with a water purification function of the first embodiment is usually directly or indirectly connected to a mixing faucet in which hot water and water are mixed and flown in a kitchen sink. A shower head is provided in which a flow path switching valve for switching a flow path between raw water and purified water by operating a push button type operation unit is provided as a water quality switching valve in a head unit.

For this reason, the shower head 1 with a water purification function is provided.
As shown in the external views of FIGS. 1 to 3, reference numeral 00 denotes a holding portion 110 having an end portion which can be attached to a mixing faucet (not shown) or a hose provided on the mixing faucet, and a mixing faucet connection of the holding portion 110. And a head 120 capable of performing shower discharge at an end opposite to the side. As shown in the overall cross-sectional views of FIGS. 4 and 5, inside the shower head 100 with a water purification function, the inside of the grip portion 110 is left hollow, and the inside of the head 120 is provided with a flow path switching valve (water quality switching valve). )
140, a water purification material 150 housed downstream of the flow path switching valve 140, and a discharge switching valve 160 disposed downstream of the water purification material 150.

The grip portion 110 is divided into a tube portion 111 on the head portion 120 side and a tube portion 112 on the hose mounting side at an intermediate portion, and has a screw portion for allowing these to be detachably and integrally combined. A relay portion 113 is provided, and by unscrewing the relay portion 113 to separate the cylindrical portion 111 from the cylindrical portion 112, the grip portion 110 can be divided into two parts. A thick cylindrical hose connection portion 114 is formed at the end on the plug connection side, and a hose mounting screw 115 is provided at the end of the hose connection portion 114 to facilitate attachment and detachment with the hose.

The head 120 has a shower plate 130 removably attached to a lower end portion (the most downstream portion) of the head portion 120, and has a built-in flow path switching valve 140, and holds a push button 141 which is an operation member of the flow path switching valve 140. It is possible to switch between purified water and raw water simply by pressing the push button 141 from outside so as to protrude from the surface opposite to the part arrangement side. A straight discharge port 130b is formed in the center of the surface on which the shower discharge port 130a is formed on the detachably mounted shower plate 130, and the straight discharge port 13b is formed.
The cylindrical straight discharge flow path forming member 131 connected to Ob is erected.

A space 120a for accommodating the water purification material 150 is formed downstream of the flow path switching valve 140, and a discharge switching valve 160 is disposed downstream of the space for accommodating the water purification material 150. A water purification material is provided by interposing a partition plate 170 formed so that the mixed water flows out from just above the straight discharge flow path forming member 131 at a position upstream of the discharge switching valve 160 on the downstream side of the material 150. 150
To be interchangeably accommodated.

The discharge switching valve 160 has a valve shaft 162 provided integrally with a switching lever 161 serving as an operating member, which is connected to an end of a valve body 163 provided therein through the shower plate 130, and a valve body 163. Flows into and out of the upper end of the straight discharge flow path forming member 131, thereby causing the flow path of the mixed water to flow through the shower discharge port 130 a and the straight discharge port 130.
and b. Thus, the switching lever 16 can be externally provided from the shower plate 130.
By operating the valve 1 and operating the valve element 163 provided inside the shower plate 130, it is possible to easily switch between straight discharge and shower discharge.

Inside the head 120, as shown in the enlarged partial sectional views of FIGS. 6 to 8, a flow path switching valve 140 has a water purification side cutoff valve 142 forming a water purification side flow path downstream of a valve seat; 2 with the raw water side shut-off valve 143 that forms the raw water side flow path downstream of the valve seat
The water purification side cutoff valve 142 and the raw water side cutoff valve 143 formed in the flow path switching valve 140 are configured such that the corresponding water purification side valve seat opening position and raw water side valve seat opening position are pushed. It is relatively displaced with respect to the moving direction of the button 141, and is formed such that two push-buttons of the purified water cut-off valve 142 and the raw water cut-off valve 143 can be simultaneously operated by one push button 141. It is arranged such that one of the valves is closed by the pushing amount of 141.

The water purifying material 150 to be housed is a purifying material 151 in which a granular, granular, fibrous, etc. activated carbon-based adsorbing substance is formed into a cylindrical shape, and the purifying material 151 is formed.
Filters 152 and 152 covering both sides of the
When the mixed water permeates from one side to the other side of the purifying material 151 through the filter 152, the floating fine solid substance is filtered by the case 153 which contains the purifying material 151 and the filters 152 and 152. At the same time, the chemical components dissolved in the water are adsorbed. Therefore, in the head 120 containing the water purification material 150, the outer surface side of the case 153 of the water purification material 150 is used as a part of the raw water flow path, and the inside of the case 153 is used as a part of the water purification flow path. .

As shown in FIGS. 6 to 10, the head 120 is provided at the inlet (valve inlet) side of each of the separate water purification side shutoff valves 142 and the raw water side shutoff valves 143. The cavities communicate with each other so that the raw water flows in, and the flow path switching valve 140 simultaneously operated by the push button 141 is provided.
The flow path formed on the downstream side of the purified water side shutoff valve 142 and the raw water side shutoff valve 143 is divided into a purified water flow path and a raw water flow path.
The outlet side flow path of the water purification side cutoff valve 142 communicates with the inside of the case 153 containing the purification material 151 to form a part of the purified water flow path for purifying the mixed water. Forms a part of a raw water flow path which communicates with the outside of the case 153 accommodating the purification material 151 and passes without purification. At the outlet (downstream) side of the water purification side shut-off valve 142, the water purification material 15
0, a cylindrical entrance 1 formed on the lid side of the case 153
After the mixed water passes through the water purification side shut-off valve 142, the filter 152 (upstream), the purification material 151, and the (downstream) filter of the water purification material 150 via the inlet 154. 152, during which fine solids are filtered and chemical components are adsorbed.

On the downstream side of the water purification material 150, a collecting passage member 171 is provided at the center so that the mixed water gathers from the periphery to the center and flows out from just above the straight discharge channel forming member 131. Place the partition plate 170 formed in the
An inlet opening at the upper end of the straight discharge flow path forming member 131 is located immediately downstream with a slight gap from the collecting passage member 171 provided on the partition plate 170,
Collecting passage member 171 and straight discharge channel forming member 1
31 of the discharge switching valve 160
63 and the straight discharge flow path forming member 131
Is made into the entrance of the shower discharge port 130a.

The discharge switching valve 160 has a valve body 163 formed so as to freely enter and exit a gap provided between the collecting passage member 171 and the inlet of the straight discharge flow path forming member 131, and has a shallow concave upper surface. On one end of the switching lever 161 is formed a knob that can be picked with a finger, and on the other end, a valve shaft 162 that is rotatably provided through a shower discharge port forming surface is integrally formed. , Valve shaft 162
A mounting end of the valve body 163 is detachably fitted to an end located inside the shower discharge port 130a.

As shown in FIGS. 11 to 13, the head portion 120 of the grip portion 110 integrally assembled with the cylindrical portion 111 is covered with a cylindrical upper end by a curved surface that is convex outward, and the cylindrical portion is formed on the side surface 120c. 111 is formed in a shape that is inconsistent with the cylindrical portion 1
The head 12 from the inside of the cylindrical portion 111
0, an opening 120b into which mixed water flows is formed, and a hole 120d through which the push button 141 penetrates is formed at a position directly opposite to the cylindrical portion 111 with respect to the cylindrical center of the side surface 120c. A plurality of linearly formed ribs 120e,..., 120e projecting from a position close to the hole 120d to a position close to the opening 120b protrude from the inside of the hole 120d so as to surround the ribs 120e,. A partition wall 120f that forms the upper part of the valve box 140a of the flow path switching valve 140 is formed. In the valve space formed by the partition wall 120f, the ribs 120e,. 142b, 143b
Two shut-off valves 142 and 143 are provided so as to abut the upper surfaces of the cut-off valves 142 and 143 (see FIGS. 7, 8 and 41).

As shown in FIGS. 7 and 9, the position of the valve seat 144 of the water purification side shut-off valve 142 is determined so that the valve is opened by a shallow depression of the push button 141, and the valve seat 144 is formed into an annular body. When the push button 141 is pressed to the position of the deep depression amount, the valve is closed by closing the hole of the annular body from the upstream side with a valve body 142a formed into a hard sphere (ball) such as a steel ball (see FIG. 62 and 64). In the water purification side shut-off valve 142, a box-shaped valve body support member 142b is formed, the coil spring 142c and the valve body 142a are housed inside the valve body support member 142b, and the valve is pressed by the coil spring 142c. The body 142a to the valve seat 14
Press on the 4 side.

As shown in FIGS. 8 and 10, the position of the valve seat 145 of the raw water side shutoff valve 143 is determined so that the valve is closed by a shallow depression of the push button 141, and the valve seat 145 is formed into an annular body. When the push button 141 is pressed to the position of the deep pushing amount, the valve body 143a formed into a hard spherical shape (ball) such as a steel ball is pushed out from the upstream side of the hole of the annular body to open the valve. (See FIGS. 63 and 65).
In the raw water side shut-off valve 143, the box-shaped valve element support member 14
3b, the coil spring 143c and the valve body 143a are housed inside the valve body support member 143b, and the valve body 143a is pressed by the coil spring 143c.
To the valve seat 145 side. When the raw water side shutoff valve 143 is stopped at a position where the valve is closed (FIGS. 8 and 10),
Since the push amount of the push button 141 is small, the water purification side shut-off valve 142 is in a state where the valve body 142a is stopped at the edge of the valve seat 144 (FIGS. 7 and 9), and the valve seat 144 formed in an annular body. , The valve is kept open.

Each of the shut-off valves 142 and 143 is
As shown in FIG. 14, an operation mechanism for operating the first operation unit 1 forms a lower part of a valve box 140a accommodating each of the shut-off valves 142 and 143 and a partition 181a forming an operation mechanism support frame, and a partition 181a. A partition wall 181b forming a bottom surface and attaching each of the valve seats 144 and 145;
A partition frame member 181 integrally formed with a frame 181c that forms a water purification material accommodating space downstream of the partition wall 181b.
And a push rod guide member 182 attached to the partition frame member 181, and each of the valve body support members 142b and 143.
and a push rod 183 integrally provided with two push rods 183b and 183b that enable the valve body 142a and the valve body 143a to move simultaneously when engaged with the push button 141 and engaged with the push button 141. A cam mechanism 187 in which a switching ring 184, a first switching pin 185, and a second switching pin 186, which are three components for changing the moving distance of the double push rod 183, and a push back side to the double push rod 183. And the O-rings 189, 189 attached when the push rod guide member 182 is assembled to the partition frame member 181.

As shown in FIGS. 15 to 18, the partition frame member 181 is provided with a valve box 140 for accommodating the respective shut-off valves 142 and 143.
a partition wall 181b that forms a lower portion of the partition wall 181a and forms an operation mechanism support frame body, forms a bottom surface of the partition wall 181a, and attaches each of the valve seats 144 and 145, and a downstream side of the partition wall 181b. A frame 181c that forms a water purification material accommodating space is formed at a lower portion located on the side, and a step portion 181d is provided at a substantially central portion of the frame 181c so that the outer periphery of the upper portion can be fitted inside the head 120. The step portion 181d is a contact surface that contacts the lower end of the head portion 120, and the outer peripheral surface below the step portion 181d is formed flush with the outer peripheral surface of the head portion 120.
When the heads 120 and the partition frame member 18 are assembled together,
No irregularities are formed on the outer surface of the mating portion 1 (see FIGS. 7 and 8).

As shown in FIGS. 19 and 20, the partition frame member 181 has a wall surface 181 located on the front side of the partition wall 181a.
e is formed in a flat shape, and a seat 181f for attaching the push rod guide member 182 is formed on the outer surface side of the flat wall surface 181e, and the center position of the same height is set within a range where the seat 181f is formed. Drill both push rod insertion holes 181g and 181h for water purification and raw water.
A circular concave portion 181i is formed at a middle position between the positions where the push rod insertion holes 181g and 181h are formed.

Further, the partition wall 181b is provided with
As shown in the figure, the valve seats 144 and 14 for pure water and raw water are used.
Seat fitting hole 181j, 1 for fitting 5 from the downstream side
81k is drilled, and valve seat restraint 146,
147, 181m, 18
1n is formed. Valve seat fitting hole 181j and valve seat fitting hole 18
The center position with respect to 1k is displaced by a distance corresponding to the stroke between the valve opening and the valve closing with respect to the moving direction of the push button 141, and the valve seat fitting hole 181j and the valve seat suppressing fitting hole 181m are provided.
And the center of the valve seat fitting hole 181k and the center of the valve seat suppressing fitting hole 181n.

Further, a female screw 181o is formed on the inner peripheral surface below the stepped portion 181d provided on the partition frame member 181, so that an upper male screw 170g formed on the partition plate 170 can be screwed. The inside of the frame 181c has a volume in which the water purification material 150 is appropriately accommodated when the water purification material 150 is inserted, the male screw 170g of the partition plate 170 is screwed into the female screw 181o, and the partition plate 170 is attached. Shall be.

The push rod guide member 182 is shown in FIG.
28, push rod insertion holes 182a,
The bottomed cylindrical member 183a of the double push rod 183 is axially movably fitted in the middle of the plate portion 182b having the perforated 182a, and the cylindrical portion 1 of the switching ring 184 is fitted.
84a is formed, and a hole 182d penetrating the plate portion 182b is formed.
The claw portion 18 of the switching ring 184 is located at the upper and lower positions of the tip of 2c.
Holes 182e, 182e engaging with the push rod insertion holes 182a, 182c of the cylindrical portion 182c are formed.
The double push rod 1 is provided on the side surface on which the 82a is drilled.
Notches 182f, 182f are formed to allow the 83 support members 183c, 183c to pass freely in the axial direction. Further, on the outer peripheral side of the cylindrical portion 182c, columnar support members 182g,..., 182g are erected from the plate portion 182b and the peripheral surface is adhered to the outer peripheral surface of the cylindrical portion 182c to increase the rigidity of the cylindrical portion 182c. , The bending strength is increased and the push rod 18 is moved when the push rod is moved.
The position of the guide members 183e, 183e provided on the side 3 can be regulated in the lateral direction. On the back side, a contact surface 1 for abutting against the seat 181f of the partition frame member 181 is provided.
The O-rings 189, 189, which are formed with 82h, can be pressed properly.

The double push rod 183 is shown in FIGS.
As shown in FIG. 3, a bottomed cylindrical member 183a whose bottom is directed to the valve side is disposed at the center, and two push rods 183b, 183b are disposed on both sides of the bottomed cylindrical member 183a.
The bottomed cylindrical member 183a and the push rods 183b, 183b are formed by two plate-shaped support members 183c, 183c.
Are connected at predetermined intervals.

Claw members 183d, 183d for engaging with the side surface of the push button 141 are provided on the outer ends of the support member coupling portions of the push rods 183b, 183b, respectively. At the ends where the claw members 183d, 183d are provided, guide the push rods 183b, 183b in the moving direction in a direction perpendicular to the protruding direction of the claw members 183d, 183d. Guide members 183e, 183e, 1
83e and 183e are formed to project. Each guide member 18
3e, 183e, 183e, 183e are push buttons 14
The first ribs 141d, 141d (see FIGS. 38, 39) are engaged to prevent rattling of the push button 141. Further, flat surfaces 183f, 183f are formed vertically at the valve-side tip portion of each push rod 183b, and rectangular grooves 183g, 1 are formed by cutting both sides in the vertical direction at the base of the plane forming position.
Engrave 83 g. A cylindrical projection 183h is provided at the center of the outer end surface of the bottomed cylindrical member 183a to prevent lateral rubbing of the coil spring 188, and a first switching frame 185 is provided at the center of the inner end surface (bottom surface). Thick shaft part 185
A column-shaped protrusion 183i is provided to be fitted with a hole 185e (see FIG. 35) formed in b.

The switching ring 184 is formed as shown in FIG.
As shown in (E), the flange 1 is provided on the outer peripheral side of the cylindrical portion 184a.
Claw portion 18 for engaging and fixing the position with the push rod guide member 182 at the top and bottom of the flange portion 184b.
4c and 184c are projected, and a groove 184d is formed on the inner diameter side of the cylindrical portion 184a. The groove 184d formed on the inner diameter side of the cylindrical portion 184a has a groove 184e that is shallow in the axial direction and a groove 184f that is deep in the axial direction, and the groove 184d is formed on a portion where the groove is not formed. An inclined surface 184g inclined in the same direction is formed on the located end surface, and the end of the rib 185c provided on the first switching frame 185 that abuts moves according to the direction of the formed inclined surface 184g and is guided. , And enters into one of the grooved shallow groove 184e and the groove 184f deep in the axial direction.

The first switching frame 185 is provided as shown in FIG.
.., (E), the thin shaft portion 185a and the thick shaft portion 18
5b, three ribs 185c,..., 185c extending in the axial direction are provided on the thick shaft portion 185b at equal pitches on the circumference. The end of each rib 185c located on the switching ring 184 side has an inclined surface 1 inclined in the same direction as the inclined surface 184g provided on the valve forming side end surface of the switching ring 184.
85d is formed. Further, a hole 185e is drilled concentrically at the center of the thick shaft portion 185b to form a double push rod 18
3 so that it can be externally fitted to a protruding portion 183i protruding from the inner end surface of the bottomed cylindrical member 183a provided on the thick shaft portion 1.
On the outer peripheral surface of the 85b, a part (a position rotated by 180 degrees) on the opposite side of the standing position of the rib 185c is partially cut out to form a flat surface 1b.
85j are formed.

The second switching frame 186 is provided as shown in FIG.
.., (D), a first switching frame 185 is provided at one end.
Of the push button 14 is inserted at the other end.
38, a cylindrical member 186a having a hole 186b into which a positioning support rod 141e (see FIGS. 38 and 39) protruding from the inner center of the first switch frame 185 is attached. Six ribs 186c are erected on the pitch,
At the end on the rib standing side, a concave portion 186d is formed in which the end surface having the inclined surface 185d of the rib 185c provided on the first switching frame 185 contacts the inclined surface 186d, and the first switching contacting the concave portion 186d. When the rib 185c of the top 185 moves along the inclined surface of the inclined recess 186d, the first switching top 185 rotates in a fixed direction.

As shown in FIGS. 37 to 39, the push button 141 has a substantially rectangular front shape obtained by rounding an end having a bulge slightly convex outward at the center and a linear cutout of the rear end. A hollow member 141a having a side surface shape and a planar shape formed in an open shape is provided. Each claw member 183d, 183d provided on the double push rod 183 is provided on the side surface.
Are formed in the rectangular holes 141b, 141b. Inside the hollow member 141a, a guide groove 141c reaching the rear end face from the drilling position of each rectangular hole 141b is engraved,
Two ribs 141 each at an appropriate distance inside the side walls
, 141d projecting from the upper and lower inner surfaces, a rounded positioning support rod 1 having a cross-sectional shape at the center of a wall surface corresponding to the back side of the front wall and an outer end forming an outer peripheral surface of a cylinder.
41e is projected to form the pressing center axis of the push button 141, and the second switching frame 186 is fitted so that each member forming the operating mechanism can move in the pressing center axis direction.

The clean water side shut-off valve 142 (the raw water side shut-off valve 14)
3) is a valve element 1 formed in a spherical shape as shown in FIG.
42a (143a) and a box-shaped valve body support member 142b (14) that accommodates the valve body 142a (143a) inside and is attached to the tip of the double push rod 183.
3b) and a coil spring 142c (143c) housed in the valve body support member 142b (143b) to bias the valve body 142a (143a) outward.

Of these, the valve body support members 142b (143)
b) forms a covered cylinder 142d (143d) having an open lower part as shown in FIGS.
2e (143e) has a cylindrical spring seat 142 inside.
f (143f) and the spring seat 142
f (143f), the canopy 142e (14
Open the position of 3e) and open the cylinder 142d (143d).
The inside and outside are formed to be freely circulated. Then, the covered cylinder 142
d (143d), rectangular grooves 183g, 183g formed at the tip of the double push rod 183 at the outer end of the lower end.
An engaging member 142h (143h) having a cross section formed with a T-shaped groove and having a gate-shaped front surface is provided with an engaging portion 142g (143g) having a width to enter. Engaging part 1
At the lower end of 42 g (143 g), a protrusion 1 protruding inward
42i (143i) to provide the double push rod 18
3 to prevent it from coming off when attached to the tip. In addition, a parallel side surface portion 142j (142j) that forms a side surface in a plane perpendicular to the projecting position of the engagement member 142h (143h) and forms a surface parallel to the moving direction is provided.

The partition frame member 18 that partitions the inside of the head 120
Each push rod insertion hole 181 is provided between a wall surface 181e formed with one push rod insertion hole 181g and 181h and a plate portion 182b formed with the push rod insertion hole 182a and 182a of the push rod guide member 182.
g, 181h, 182a, and 182a, O-rings 189, 189 are interposed on the outer periphery of the drilling positions, and coils are formed in circular recesses 181i provided in the wall surface 181e of the partition frame member 181 located in the middle of the drilling positions. Spring 188
Are arranged and interposed, and the double push rod 183 is spring-biased in a direction away from the bottom of the circular concave portion 181i.

The double push rod 183 is moved by the urging force of the coil spring 188 to the wall surface 1 of the partition frame member 181.
When moving in the direction away from 81e, the switching ring 1
84 of the first switching frame 185 in the deep groove 184f.
When 5c enters, there is nothing obstructing the movement, and the bottomed cylindrical member 183a of the double push rod 183
The first switching frame 185 and the second switching frame 186 that are in contact with each other slide in the deep groove 184f formed in the cylindrical portion 184a of the switching ring 184 in the same direction as the moving direction of the double push rod 183. , Double push rod 183
Is moved until the end surface on the opening side of the bottomed cylindrical member 183a provided at the end comes into contact with the flange portion 184b of the switching ring 184 and stops.

As shown in FIG. 43, a valve seat 144 (or 145) provided on the partition wall 181b of the partition frame member 181 has a hole 144 having a size defining a flow rate in the center of the disk.
a (145a) is an annular member, and the partition frame member 1
A valve seat fitting hole 181j provided in the partition wall 181b
(Or 181k), an upper portion 144b (145b) having an outer shape having a shape and a size to be internally fitted from the downstream side.
And a valve seat fitting hole 181j (or 181
k) A lower portion 144c (or 145c) having an outer shape having a shape and a size to be internally fitted from the downstream side into the valve seat suppressing fitting hole 181m (or 181n) formed below.
And an upper surface 144d (or 145) formed on the valve body contact surface.
d) and a lower surface 144e (or 145) formed in a plane.
e), and an enlarged diameter portion 144f (or 145f) for internally fitting the upper portion of the valve seat retainer 146 (or 147) is formed by spot facing on the hole side of the lower surface.

As shown in FIG. 44, the valve seat retainer 146 on the water purification side is an annular member having a hole 146a having the same diameter as the hole 144a formed in the center of the valve seat 144.
4 and a ring-shaped upstream connecting portion 146b protruding at the uppermost end to fit into the enlarged diameter portion 144f, and an upstream connecting portion 1 at the upper end.
46b and the partition wall 1 of the partition frame member 181.
A partition wall side fitting portion 146c having an outer shape having a shape and a size to be internally fitted into the valve seat suppressing fitting hole 181m provided in 81b, and an inlet portion 154 provided in the case 153 of the water purification material 150. It has an annular downstream connection portion 146e formed on the inner surface side with a fitting hole 146d for internal fitting, and a lower surface 146f formed flat.

As shown in FIG. 45, the valve seat retainer 147 on the raw water side is an annular member having a hole 147a having the same diameter as the hole 145a formed in the center of the valve seat 145.
5, an annular upstream connection portion 147b protruding at the uppermost end to fit the enlarged diameter portion 145f, and an upstream connection portion 1 at the upper end.
47b and the partition wall 1 of the partition frame member 181.
It has a partition wall side fitting portion 147c having an outer shape having a shape and a size to be fitted in the valve seat suppressing fitting hole 181n provided in 81b, and a lower surface 147d formed in a plane.

The case 153 of the water purification material 150 is shown in FIG.
As shown in FIG. 6, the lid 153a is provided with an annular protruding edge 153c projecting downward from the disc-shaped terminal edge, and is the same as the position where the valve seat fitting hole 181j on the water purification side is formed radially from the center. At a position at a distance, an inlet portion 154 formed in a short tubular shape with a flange is formed in a projecting shape. Then, as shown in FIG. 47, the case body 153b is formed in a cylindrical shape with a bottom, and a large number of holes 153e are formed in the bottom surface 153d at uniform intervals to form the purifying material 151 (see FIG. 7).
It is formed so that purified water that has passed through can easily flow out.

The partition plate 170 screwed to the lower end of the partition frame member 181 and assembled to the head 120 is shown in FIGS.
As shown in FIG. 9, short cylindrical annular members 170b and 170c protrude from the outer peripheral edge of each surface side of the disk-shaped partition plate 170a, and a shower discharge side or a straight discharge side is provided at the center of the disk-shaped partition plate 170a. A fitting hole 170d for fitting the collective passing member 171 (see FIGS. 50 and 51) for shifting to the entrance portion of the disk is formed, and water quality is formed on the outer peripheral side of the fitting hole drilling position of the disc-shaped partition plate 170a. Case body 153 of purifying material 150
b protrudes an annular rib 170e having a diameter larger than the outer circumference of the large number of holes 153e formed in
Projecting portions 170f,..., 170f for mounting the case main body 153b are provided at four locations at equal intervals on the periphery of the upper portion e.

The upper annular member 170b on the outer peripheral edge
The female screw 1 formed at the lower end of the partition frame member 181
A male screw 170g to be screwed to 81o is formed on the outer peripheral surface, an O-ring groove 170h is formed below the screw forming portion, and an annular member 170c below the outer peripheral edge has a number of threads of 2 on the outer peripheral surface. A multi-threaded male screw 170i is formed so that the shower plate 130 can be screwed together, and an O-ring groove 170j is formed at an upper portion of the screw forming portion to prevent leakage. The fitting hole 170d is divided into two stages, the upper portion is formed with a circular hole having the same diameter in the axial direction, and the lower portion is formed as a hole whose diameter is reduced downward in the axial direction. A step is provided in the middle between them so that the collective passing member 171 can be fitted from above.

As shown in FIGS. 50 to 52, the collecting passage member 171 is formed in a cylindrical portion 171a of a flanged cylinder having an outer edge formed by shaving a shallow end surface on a flange side into an annular groove 171b.
Are formed so as to be axially deep and not penetrate from the shallowly cut end face on the flange side, and a number of light beams 171c whose outer ends reach the flange 171d on the outer periphery of the annular groove 171b.
And an annular groove 171b having this light beam 171c.
The outer diameter of the cylindrical portion 171a provided with is smaller than the outer diameter of the flange portion 171d, and the outer lower end of the beam of light 171c is formed to have a side opening. The collecting passage member 171 adjusts the outer dimensions of the cylindrical portion 171a and the flange portion 171d to the partition plate 170.
The outer diameter can be fitted into the fitting hole 170d of the partition plate 170 so that the opening formed on the side surface of the columnar portion 171a reaches the position of the downwardly reduced hole formed in the fitting hole 170d of the partition plate 170. The size of the raw water or purified water flowing radially outward and downward from the opening is adjusted so that the raw water or purified water flows out of the opening so as to be concentrated below the central portion by the hole whose diameter is reduced.

The shower plate 13 serving as a discharge surface forming member screwed to the lower annular member 170c of the partition plate 170
0 is a flat disk portion 13 as shown in FIGS.
0c and an overhanging portion 130d formed by rising the outer peripheral edge thereof
Is formed, and a straight discharge port 130b is formed in the center of the disk portion 130c, and the valve shaft 162 (see FIG. 58) of the discharge switching valve 160 is penetrated and supported adjacent to the straight discharge port 130b. A plurality of small holes serving as shower discharge ports 130a are formed at substantially equal intervals around the straight discharge port 130b except for the straight discharge port 130b and the shaft hole 130e.

In the shower plate 130, the side on which the overhanging portion of the disk portion 130c having the holes is formed is defined as the inflow side (upstream side) of the mixed water, and the number of strips on the inner peripheral surface side of the overhanging portion 130d. Form two multi-threaded female screws 130f so that they can be screwed into the multi-threaded male screws 170i provided on the partition plate 170. An O-ring attached to the O-ring groove 170j of the partition plate 170 (FIG. 4) is provided with a stepped portion 130g having an enlarged diameter inside the upper end of the overhang portion 130d to form a pressing surface that covers the O-ring groove. Is pressed from the outside to prevent leakage when screwed into the partition plate 170. Further, a concave portion 130h into which the straight discharge channel forming member 131 (see FIG. 57) is fitted is provided above the straight discharge port 130b, and the straight discharge channel forming member 131 is erected at the center of the shower plate. Thus, the flow path on the straight discharge side (straight discharge flow path 131a) and the flow path on the shower discharge side (shower discharge surface upstream space 130i) can be partitioned.

Further, on the outer peripheral surface of the protruding portion 130d, two projecting portions 130j and 130j are provided on the outer peripheral side of the position where the shaft hole 130e is provided so as to sandwich the outer peripheral surface of the shaft hole drilling position.
j, and the valve shaft 162 of the discharge switching valve 160
When the switching lever 161 is provided between the two projections 130j, 130j while being pivotally supported through the first projection 0e, the operating range of the switching lever 161 is changed to the two projections 130j, 130j.
The rotation angle given by the interval of j can be regulated.

The straight discharge channel forming member 131 includes:
As shown in FIGS. 57 (A) and (B), the upper end edge is formed in a cylindrical shape having an end whose inner surface is reduced in diameter, and the inside of the cylindrical portion is used as a straight discharge channel 131a.
The opening 131b formed at the upper end is formed so that the opening diameter is smaller than the inner diameter of the cylindrical portion.
The plate portion 163a (see FIG. 59) formed on the zero valve body 163 is easily placed. The outer diameter of the lower end is large enough to fit into the inner side of the recess 130h formed at the center of the shower plate 130, and is fitted so that it can be erected at the center of the shower plate 130 after fitting. It is formed so that the state becomes tight.

The discharge switching valve 160 is connected to the shower plate 1
A switching lever 161 integrally provided with a valve shaft 162 rotatably supported around an axis penetrating through the thirty disk portion 130c.
(FIG. 58) and a valve member 163 (FIG. 58) formed in a thin dish shape having a shallow concave upper surface so as to be disposed in a gap provided between the collecting passage member 171 and the straight discharge flow path forming member 131. 59).

Switching lever 16 integrated with valve shaft 162
Numeral 1 denotes a valve shaft 162 as shown in FIGS.
The lever portion 161b extends in a direction perpendicular to the lever portion 161b, and a finger hook portion 161c that forms a surface substantially perpendicular to the lever rotation direction at the tip of the lever portion 161b, which is an operation piece thereof, has concave portions on both sides. 161d is formed to facilitate locking of the finger. The distal end of the valve shaft 162 is inserted into a fitting hole 163d (see FIG. 59) formed on the valve body side to be connected to the valve body 163, and is urged to an expansion side for preventing the connection after being connected. Elastic engaging portions 162a, 1 each having a rectangular cross section
62a is projected.

As shown in FIGS. 59 (A) to 59 (E) and FIG. 60, the valve body 163 is formed in a thin dish shape having an upper surface formed as a shallow concave surface, and the lower surface is curved by a radius of curvature in which the lower surface is elongated by the plate thickness. Dish portion 163a formed on the convex surface, and this dish portion 163
a, an arm 163b extending in one direction from the valve shaft a, and an elastic locking portion 162a on the valve shaft side at the tip end of the arm 163b.
163d having a rectangular cross section for inserting and inserting thereinto 162a
And a shaft coupling portion 163c formed by drilling. When the elastic locking portions 162a, 162a on the valve shaft 162 side are inserted into the fitting holes 163d of the shaft coupling portion 163c, the shower plate 130
The elastic locking portions 162a, 162a are inserted into the shaft hole 130e formed from the outside (downstream side), and the valve shaft 162 is fitted into the shaft hole 130e.
The valve body 163 and the switching lever 161 are assembled to the shower plate 130 by inserting the elastic locking portions 162a, 162a into the 3d until it can be prevented from coming off.

[Operation and Effect] In the embodiment configured as described above, by operating the push button 141 incorporated in the head 120, the push button 141 is projected from the head 120 (shallow push-in). Volume), the purified mixed water flows out and the push button 141
Raw water flows out in a state where the amount of entering and protruding is small (deep indentation amount).

First, when the purified mixed water is flowing out, when the push button 141 is further pushed, the push button 14
1 is in contact with the first switching frame 1
85, the pressing force is transmitted from the first switching frame 185 to the double push rod 183, and the coil spring 188 is pressed.
The double push rod 183 moves in the direction approaching the wall surface 181e of the partition frame member 181 against the urging force of. At this time, when the first switching frame 185 slides in the direction of coming out of the groove 184d of the switching ring 184 and moves until it comes off from the groove 184d, the first switching frame 185 pushed by the second switching frame 186 becomes the first switching frame 185. 2-switch top 186 and first
According to the shape of the contact portion with the switching top 185, it moves so as to change to a close contact direction, and as a result, rotates, thereby changing the relative position between the first switching top 185 and the switching ring 184, and changing the water purification side shut-off valve 142. And shut off the raw water side shutoff valve 1
Open 43 and switch to outflow of the non-purified mixed water as shown in FIGS. When the mixed water flowing out becomes the non-purified mixed water, the double push rod 183 is returned by an amount of play by the urging force of the coil spring 188, and the end of the rib 185 c provided on the first switching frame 185 is engraved on the switching ring 184. The position is fixed by contacting the shallow groove 184e provided.

When the push button 141 is pushed, the first switch frame 186 in contact with the push button 141
By transmitting the pressing force to the switching frame 185 and further to the double push rod 183, the coil spring 1
When the double push rod 183 is moved in the direction approaching the wall surface 181 e of the partition frame member 181 against the urging force of the 88, the end of the rib 185 c provided on the first switching frame 185 is cut into the switching ring 184. The engagement with the shallow groove 184e provided is released, and the first switch 186 pressed by the second switching
The switching frame 185 moves so as to change to a direction in which it contacts closely according to the shape of the contact portion between the second switching frame 186 and the first switching frame 185, and as a result, the switching frame 185 rotates relative to the first switching frame 185 and the switching ring 184. Change the position.

As a result, the rib 185c provided on the first switching drum 185 enters the groove 184f that is deep in the axial direction of the switching ring 184, and the rib 185c provided on the first switching drum 185 is actuated by the urging force of the coil spring 188. Is slid along the deep groove 184 f of the switching ring 184 in a direction away from the wall surface 181 e of the partitioning frame member 181, and the double push rod 183 in contact with the first switching frame 185 is moved by the partitioning frame member 181. Then, the raw water side shutoff valve 143 is closed, the purified water side shutoff valve 142 is opened, and the flow is switched to the outflow of the purified mixed water as shown in FIGS.

Further, when the shower discharge is performed, the switching lever 161 is operated to rotate about the valve shaft 162 independently of the operation of the push button 141, and the valve body 163 forms the straight discharge flow path. The mixed water coming out of the opening 131b of the member 131 and flowing out of the collecting passage member 171 flows into the opening 131b of the straight discharge flow path forming member 131, and flows out of the straight discharge port 130b. Further, in the case of straight discharge, when the switching lever 161 is operated in the opposite direction to rotate in the opposite direction about the valve shaft 162, the valve body 163 is opened by the opening 131b of the straight discharge flow path forming member 131. To prevent the mixed water flowing out from the collecting passage member 171 from flowing into the opening 131b of the straight discharge flow path forming member 131, flow into the shower discharge surface upstream side space 130i, and perform shower discharge. Become.

In such an embodiment, the restriction of the flow path switching valve composed of the shutoff valves 142 and 143 for switching the water quality can be expanded to a range where the flow path switching valve can be incorporated into the head 120, and the flow path switching valve The restriction on the size of 140 can be greatly eased, and the operability can be improved by operating the flow path switching valve 140 on the head 120 side. Also,
As a simple water purification type shower head, both the head 120 and the gripper 110 can be formed with good shape, and the structure can be made highly utilizable.

The flow path switching valve 140 includes a water purification side shutoff valve 142.
And the raw water side shut-off valve 143 are alternately switching type shut-off valves that alternately shut off the flow path by the same push button 141. It can be used by switching between purified mixed water and operability is improved. In addition, since the water purification side shutoff valve 142 and the raw water side shutoff valve 143 of the alternate switching type shutoff valve are spherical valve bodies 142a and 143a, respectively, when the valves are closed,
The water pressure applied to the spherical valve bodies 142a and 143a, together with the urging force of the coil springs 142c and 143c, acts to press the spherical valve bodies 142a and 143a against the valve seats 144 and 145, so that the sealing can be reliably performed. become.

Since the discharge switching valve 160 is formed as a lever-operated shut-off valve, the shower discharge and the straight discharge can be performed regardless of which of the clean water shut-off valve 142 and the raw water shut-off valve 143 is opened. It can be selected and convenience can be improved. This shower head 10 with water purification function
0 can be used not only in a kitchen but also in a washroom, a bathroom, or the like, and has extremely high versatility.

[Second Embodiment] The shower head 100 with a water purification function of the first embodiment is provided with a flow path switching valve for switching between purified water and raw water, and a discharge switching valve for switching between straight discharge and shower discharge. In the shower head 200 with a water purification function of the second embodiment, FIGS.
As shown in FIG. 8, the difference is that the discharge switching valve is omitted and only the flow path switching valve is provided, and the discharge is configured to have dedicated discharge ports on the purified water side and the raw water side. In the following description, each member other than the member related to the configuration of the flow path has the same configuration as that of the first embodiment, and the shower that switches between purified water and raw water by operating the push button 141 provided on the head 120 is operated. In order to form the head, members having the same configuration as the members in the first embodiment are assigned with the same numbers or the last two digits of the numerals, and description thereof is omitted.

[Structure] As shown in FIGS. 69 to 70, the shower head 200 with a water purifying function includes a tube portion 211 having a grip portion 210 on the head 220 side, a tube portion 212 on the hose connection side, and And a relay part 213 having a screw part for detachably and integrally combining the two. The push button 241 is projected from the head 220 incorporating the flow path switching valve,
A hose connection part 214 is formed on the mixing faucet connection side of the grip part 210, and a hose mounting screw 215 is provided at a tip end of the hose connection part 214 to facilitate attachment and detachment with a hose. A plate-shaped protrusion 214a protruding along the axial direction is protruded. Also, the shower plate 23
Since no discharge switching valve is provided on the shower discharge side of No. 0, the operation member does not project. And on the head 220,
On the downstream side, a flow path switching valve (water quality switching valve) 240 having a purified water side cutoff valve 242 and a raw water side cutoff valve 243 for separately connecting the purified water flow path and the raw water flow path is incorporated. The clean water side shutoff valve 242 and the raw water side shutoff valve 243 of the path switching valve 240 can be operated simultaneously.

A water purification material 250 is disposed downstream of the flow path switching valve 240 and downstream of the water purification side shutoff valve 242, and a partition plate 270 is provided downstream of the water purification material 250. A collecting passage member 271 is provided in the center, and a straight discharge path 231 is suspended downstream of the collecting passage member 271 of the partition plate 270, and the mixed water that has passed through the water purification material 250 is discharged straight through the collecting passage member 271. Road 23
1 and a flow path that flows out of the straight discharge port 230b formed in the shower plate 230 to the outside, and a partition provided downstream of the raw water side shut-off valve 243 and downstream of the water purification material 250. Water purification material 2 for plate 270
A plurality of holes 272 are formed in the peripheral portion corresponding to the outer peripheral side of the arrangement position of 50, and the space 220a formed on the outer peripheral side of the water purification material 250 communicates with the shower discharge passage 230i to shut off the raw water side. The mixed water flowing out from the valve 243 passes through the space 220 a on the outer peripheral side of the water purification material 250 and the partition plate 27.
0, flows out through a plurality of holes 272 formed in the periphery of the shower plate 230i, and flows into the shower discharge passage 230i.
The flow path which flows out from the shower discharge port 230a formed at the outside is formed.

As shown in the enlarged partial cross-sectional views of FIGS. 71 to 75, inside the head portion 220, a flow path switching valve 240 has a water purification side shutoff valve 242 forming a water purification side flow path downstream of a valve seat; A raw water side shutoff valve 243 that forms a raw water side flow path on the downstream side of the valve seat is provided with two shutoff valves, and the purified water side shutoff valve 242 and the raw water side shutoff valve 243 formed in the flow path switching valve 240 are respectively The corresponding water purification side valve seat opening position and the raw water side valve seat opening position are relatively shifted with respect to the moving direction of the push button 241, and the water purification side shutoff valve 24 is simultaneously operated by one push button.
2 and the raw water side shutoff valve 243 are formed so as to be operable, and are arranged such that one of the valves is closed by the pushing amount of the push button 241.

In the head 220, the cavity inside the grip portion 210 communicates with the inlet (valve inlet) of the incorporated clean water side shutoff valve 242 and raw water side shutoff valve 243 so that the raw water flows in. That is, the flow path formed downstream of the water purification side cutoff valve 242 and the raw water side cutoff valve 243 of the flow path switching valve 240 simultaneously operated by the push button 241 is divided into a purified water flow path and a raw water flow path. The outlet side flow path of the water purification side cutoff valve 242 communicates with the inside of the case 253 containing the purification material 251 to form a part of the water purification path for purifying the mixed water. Forms a part of a raw water flow path that passes through without being purified by communicating with a flow path formed outside the case 253 that accommodates the purification material 251. At the outlet (downstream) side of the water purification side shutoff valve 242, an inlet 254 formed on the lid side of the case 253 of the water purification material 250 is fitted, and after the mixed water passes through the water purification side shutoff valve 242, the inlet is formed. 254
(Upstream) filter 2 of water purification material 250
52, a purifying material 251, and a (downstream) filter 25
2 during which fine solids are filtered and chemical components are adsorbed.

On the downstream side of the water purification material 250, a collecting passage member 271 is provided at the center so that the mixed water gathers from the periphery to the center and flows out from directly above the straight discharge path 231. 270, and the partition plate 270
The straight discharge passage 231 hangs downstream of the straight discharge passage 231, and the purified water flowing out of the collective passage member 271 passes through the inlet of the straight discharge passage 231 and passes through the straight discharge outlet 230.
b to the outside. In addition, a case 253 of the water purification material 250 is attached to the head 22 on the downstream side of the raw water side shutoff valve 243.
0 is formed so as to have a gap by making it smaller than the inner surface of the partition plate 2 so as to form a flow path passing outside the case 253.
Holes 272,..., 272 are formed at equal intervals on the periphery of the pipe 70 so that raw water flowing out of the raw water side shutoff valve 243 passes through the holes 272,. 230i.

The case 253 of the water purification material 250 comprises a disc-shaped lid 253a and a bottomed cylindrical case body 253b. The lid 253a has an annular protruding edge projecting downward from the terminal edge and has a central portion. An inlet 254 formed in a short tubular shape with a flange is formed at a position at the same distance as a position where a valve seat fitting hole on the water purification side is formed in a radial direction from the opening. Then, the case main body 253b is configured as shown in FIG.
As shown in FIGS. 6 and 77, it is formed in a cylindrical shape with a bottom, and a plurality of holes 253e are formed in the bottom surface 253d at uniform intervals, and a fitting ring 270f formed in a partition plate 270 (see FIG. 79). An O-ring groove 253g is engraved on the outer peripheral surface of a fitting portion 253f having an outer diameter that fits into the inner surface of the partition plate 27 so that water passing through the purifying material 251 can be easily separated.
It is formed so as to be able to flow out to the upper surface side of 0.

As shown in FIGS. 78 to 80, a partition plate 270 for partitioning the boundary between the discharge side of the head 220 and the side on which the switching valve is incorporated forms a disk-shaped partition plate 270a. A short cylindrical annular member 27 is provided on the outer peripheral edge of each side of the 270a.
0b and 270c are protruded, and a fitting ring 270f for internally fitting the lower end of the case body 253b of the water purification material is protruded on the upper surface side, and the center of the disc-shaped partition plate 270a is shifted to the straight discharge side. Collective passing member 27 serving as an entrance for
The first fitting hole 270d is bored, and a straight discharge path 231 whose lower end is fitted to a fitting portion on the upper surface of the straight discharge port of the shower plate 230 is hung down on the lower surface side of the drilling position of the fitting hole 270d. Annular member 270c and fitting ring 270
A large number of holes 272 penetrating through the disk-shaped partition plate 270a are formed at equal intervals on the circumference. The fitting hole 270d has a diameter divided into two stages, a hole having the same diameter in the circular axial direction is formed in the upper part, and a hole whose diameter is reduced downward in the axial direction is formed in the lower part. A step is provided in the middle between them so that the collective passing member 271 can be fitted from above.

The shower plate 230 as a discharge surface forming member screwed to the lower end of the partition plate 270 is shown in FIGS.
As shown in FIG. 2, a flat disk portion 230c and an overhang portion 230d formed by raising the outer peripheral edge thereof are formed, and a straight discharge port 230b is formed in the center of the disk portion 230c. A large number of small holes serving as shower discharge ports 230a are formed at substantially equal intervals around the discharge port 230b. In this shower plate 230, the overhanging portion forming side of the disc portion 230 c in which each hole is formed is set as the inflow side (upstream side) of the mixed water, and can be screwed to the lower end portion of the partition plate 270. Further, a recess 230h for fitting the straight discharge path 231 is provided above the straight discharge port 230b, and the straight discharge path 231 is formed in the center of the shower plate.
To be able to partition the flow path between the straight discharge side and the shower discharge side.

[Operation and Effect] In the second embodiment configured as described above, by operating the push button 241 incorporated in the head 220, the push button 241 protrudes from the head 220 (shallow). (Push amount), the purified mixed water flows out, and the push button 241 is
Raw water flows out in a state where the amount of projecting and protruding 0 is small (a deep pushing amount).

First, when the purified water is flowing out, when the push button 241 is further pressed, as shown in FIGS. 83 to 87, the purified water side shutoff valve 242 is closed, and the raw water side shutoff valve 243 is opened, and the raw water outflow is performed. Switch to. When the mixed water flowing out is switched to raw water, the position of the push button 241 is fixed. Further, the push button 241 is pressed to close the raw water side shutoff valve 243 and the clean water side shutoff valve 242 as shown in FIGS.
And switch to outflow of purified water.

In the second embodiment, since the straight discharge port 230b forms a purified water discharge port and the shower discharge port 230a forms a raw water discharge port, it is easy to distinguish between purified water discharge and raw water discharge. In addition, in the purified water discharge, the discharge can be performed without performing the discharge switching, and the discrimination, the visibility, and the operability are improved. Further, the purified water side shutoff valve 242 and the raw water side shutoff valve 243 of the flow path switching valve 240 are alternately switched type shutoff valves that alternately shut off the flow path by the same push button 241, and are used for discharging purified water and raw water. Push button 2
Since the push-in positions of 41 are made different, by pressing the push button 241 protruding from the head 220, purified water and raw water can be used without being confused, and operability can be further improved. In addition, the purifying water side shutoff valve 242 and the raw water side shutoff valve 243 of the alternate switching type shutoff valve are respectively spherical valve bodies 2.
42a and 243a, when the valve is closed, the spherical valve body 2
The hydraulic pressure applied to the spherical valve elements 24a and 243a together with the urging force of the coil springs 242c and 243c
2a and 243a are pressed against the valve seats 244 and 245, so that the sealing can be surely performed.

[0073]

As described above, the shower head with a water purification function according to the first aspect of the present invention has a head having a shower discharge port, a connection end to other parts, and a size that can be directly held by hand. A water-purifying flow passage for accommodating a water-purifying material in the head in a replaceable manner and purifying and discharging water quality through the water-purifying material, and passing through the water-purifying material. Forming a raw water flow path to discharge without performing, a flow path switching valve for switching between the purified water flow path and the raw water flow path is provided, and an operation end provided in an operation mechanism of the flow path switching valve is a push button. By forming and projecting to the outside of the head, it is possible to operate the push button from the outside of the head to operate the flow path switching valve, and to easily and quickly switch between discharge of purified water and raw water, Operability can be improved.

Further, in the shower head with a water purification function according to the second aspect, since the flow path switching valve is disposed upstream of the water purification material, the configuration can be simplified, and each component can be disposed effectively. Thus, manufacturing can be facilitated and costs can be reduced. Further, in the shower head with a water purification function according to claim 3, the flow path switching valve is an alternate switching type shutoff valve provided with a water purification shutoff valve and a raw water shutoff valve that alternately shuts off a flow path by the push button. By being formed, either the purified water or the raw water is discharged by the push button operation, and the switching can be performed easily and reliably. Further, in the shower head with a water purification function according to claim 4, the cutoff valve for water purification and the cutoff valve for raw water of the alternate switching type cutoff valve are each formed as a cutoff valve having a spherical valve body. Sealing between the valve seat and the valve seat can be performed more reliably, and the switching operation can be performed lightly, and the switching can be easily performed even if the operating force is small.

Further, in the shower head with a water purifying function according to the fifth aspect, a straight discharge port is provided at a portion of the head where the shower discharge port is formed, and the discharge from the shower discharge port and the discharge from the straight discharge port are performed. Incorporating a discharge switching valve for switching between water discharge and raw water makes it possible to select between shower discharge and straight discharge for both purified water and raw water, thereby expanding the range of selection of the discharge mode and improving convenience. Also, in the shower head with a water purification function according to claim 6, the discharge switching valve is formed as a discharge switching valve having an operation portion formed so as to be switchable from outside the head, so that the outside of the head is provided. By operating the operation unit from, the discharge switching valve can be easily switched, and the operability can be improved. Further, in the shower head with a water purification function according to claim 7, since the discharge switching valve includes an operation lever operated from outside the head, the discharge state can be switched by operating the operation lever with a finger. Simple and quick operation.

[Brief description of the drawings]

FIG. 1 is a front view showing a shower head with a water purification function according to a first embodiment of the present invention.

FIG. 2 is a side view showing the same shower head with a water purification function.

FIG. 3 is a plan view showing the shower head with a water purification function according to the first embodiment;

FIG. 4 is a side cross-sectional view showing the shower head with a water purification function according to the first embodiment (a view taken along the line AA in FIG. 1).

FIG. 5 is a plan sectional view showing the shower head with a water purification function according to the first embodiment (a view taken along the line BB in FIG. 4).

FIG. 6 is an enlarged cross-sectional plan view showing the head of the shower head with a water purification function in the purified water discharge state.

FIG. 7 is an enlarged side sectional view showing the head of the shower head with a water purification function at the position of a water purification side shutoff valve (as viewed in the direction of arrows CC in FIG. 6).

FIG. 8 is an enlarged side sectional view showing the head of the shower head with a water purification function at the position of the raw water side shut-off valve (as viewed in the direction of arrow DD in FIG. 6).

FIG. 9 is an enlarged oblique front sectional view showing the head of the shower head having the water purification function at the position of the water purification side shutoff valve (E- in FIG. 6).
FIG.

10 is an enlarged oblique front sectional view showing the head of the shower head with a water purification function at the position of the raw water side shutoff valve (F in FIG. 6).
-F arrow view).

FIG. 11 is an enlarged bottom plan view showing a single head of the shower head with a water purification function.

FIG. 12 is an enlarged side cross-sectional view (a view taken along a line GG of FIG. 11) showing the head alone of the shower head with a water purification function.

FIG. 13 is an enlarged front cross-sectional view (a view taken along the line HH in FIG. 11) showing the head alone of the shower head with the water purification function.

FIG. 14 is an exploded perspective view showing an operation mechanism of a flow path switching valve of the shower head with the water purification function.

FIG. 15 is an enlarged front view showing a partition frame member of the shower head with the water purification function.

FIG. 16 is an enlarged side view showing a partition frame member of the shower head with a water purification function according to the third embodiment.

FIG. 17 is an enlarged top plan view showing a partition frame member of the shower head with the water purification function.

FIG. 18 is an enlarged bottom plan view showing a partition frame member of the shower head with a water purification function.

FIG. 19 is an enlarged plan sectional view (a view taken along the arrow II of FIG. 15) showing the partition frame member of the shower head with the water purification function at the position of the axis of the push rod.

20 is an enlarged side sectional view showing the partition frame member of the shower head with the water purification function at the center position of the push button (FIG. 17).
FIG.

FIG. 21 is an enlarged side sectional view showing the partition frame member of the shower head with a water purification function at the center position of the water purification side shutoff valve (as viewed in the direction of arrows KK in FIG. 17).

FIG. 22 is an enlarged side sectional view showing the partition frame member of the shower head with a water purification function at the center position of the raw water side shutoff valve (as viewed from the arrow LL in FIG. 17).

FIG. 23 is an enlarged front view showing a push rod guide member of the shower head with the water purification function.

FIG. 24 is an enlarged right side view showing a push rod guide member of the shower head with the water purification function.

FIG. 25 is an enlarged plan view showing a push rod guide member of the shower head with the water purification function.

FIG. 26 is an enlarged rear view showing a push rod guide member of the shower head with the water purification function.

27 is an enlarged plan sectional view showing a push rod guide member of the shower head with the water purification function (MM in FIG. 23);
FIG.

FIG. 28 is an enlarged side sectional view showing the push rod guide member of the shower head with a water purification function (NN of FIG. 25);
FIG.

FIG. 29 is an enlarged front view showing a double push rod of the shower head with the water purification function.

FIG. 30 is an enlarged side view showing a double push rod of the shower head with the water purification function.

FIG. 31 is an enlarged plan view showing a double push rod of the shower head with the water purification function.

FIG. 32 is an enlarged rear view showing a double push rod of the shower head with the water purification function.

FIG. 33 is an enlarged plan sectional view showing a double push rod of the shower head with the water purification function (a view taken along the arrow OO in FIG. 29).

34 is an enlarged explanatory view showing a switching ring of the shower head with the water purification function, wherein (A) is a side view, (B) is a front view, (C) is a rear view, (D) is an upper plan view, (E) is a bottom plan view.

FIG. 35 is an enlarged explanatory view showing a first switching frame of the shower head with a water purification function, wherein (A) is a side view and (B)
Is a front view, (C) is a rear view, (D) is an upper plan view, (E)
Is a bottom plan view.

FIG. 36 is an enlarged explanatory view showing a second switching frame of the shower head with a water purification function according to the embodiment, where (A) is a side view and (B).
Is a front view, (C) is a rear view, and (D) is a plan view.

FIG. 37 is an enlarged explanatory view showing a push button of the shower head with the water purification function, wherein (A) is a front view, (B) is a side view, and (C) is a plan view.

FIG. 38 is an enlarged rear view showing a push button of the shower head with the water purification function.

FIG. 39 is an enlarged plan sectional view showing a push button of the shower head with a water purification function (viewed from the arrow P-P in FIG. 37A).

FIG. 40 is an enlarged exploded perspective view showing a valve in the flow path switching valve of the shower head having the water purification function.

FIG. 41 is an enlarged explanatory view showing a valve body support member of the shower head with the water purification function, in which FIG. 41A is a side view and FIG.
Is a front view, (C) is a rear view, (D) is an upper plan view, (E)
Is a bottom plan view.

42 is an enlarged side cross-sectional view showing the valve support member of the shower head with a water purification function (as viewed in the direction of arrows QQ in FIG. 41 (B)).

43 is an enlarged explanatory view showing a valve seat of the shower head with the water purification function, in which FIG. 43 (A) is a plan view and FIG. 43 (B) is a side sectional view (a view taken along the line RR in FIG. 43 (A)). is there.

FIG. 44 is an enlarged explanatory view showing valve seat suppression on the water purification side of the shower head with the water purification function, wherein FIG.
FIG. 44B is a side cross-sectional view (a view taken along the line S-S in FIG. 44A).

FIG. 45 is an enlarged explanatory view showing valve seat suppression on the raw water side of the shower head with the water purification function according to the first embodiment; FIG.
(B) is a side cross-sectional view (the TT arrow view of FIG. 45 (A)).

FIG. 46 is an enlarged explanatory view showing a lid in a case of a water quality purifying material of the shower head with the water purification function,
Is a plan view, (B) is a side sectional view (U-U in FIG. 46A).
FIG.

47 is an enlarged explanatory view showing a case body of a water purification material of the shower head having the water purification function, wherein (A) is a plan view and (B) is a side sectional view (the arrow VV in FIG. 47 (A)). View).

FIG. 48 is an enlarged plan view showing a partition plate of the shower head with the water purification function.

49 is an enlarged side sectional view showing a partition plate of the shower head with the water purification function (viewed along the line WW in FIG. 48).

FIG. 50 is an enlarged top plan view showing a collective passing member of the shower head with the water purification function.

FIG. 51 is an enlarged side cross-sectional view (as viewed in the direction of arrow XX in FIG. 50) showing the collecting passage member of the shower head with the water purification function.

FIG. 52 is an enlarged bottom plan view showing a collective passing member of the shower head with the water purification function.

FIG. 53 is an enlarged front view showing a shower plate of the shower head with a water purification function according to the third embodiment.

FIG. 54 is an enlarged top plan view showing a shower plate of the shower head with the water purification function.

FIG. 55 is an enlarged bottom plan view showing a shower plate of the shower head with the water purification function.

FIG. 56 is an enlarged side sectional view showing the shower plate of the shower head with a water purification function (viewed along the line YY in FIG. 53).

FIG. 57 is an enlarged explanatory view showing a straight discharge flow path forming member of the shower head with a water purification function according to the embodiment;
Is a plan view, and (B) is a longitudinal sectional view.

FIG. 58 is an enlarged explanatory view showing a switching lever in a discharge switching valve of the shower head with a water purification function according to the embodiment;
Is a side view, (B) is a front view, (C) is a rear view, (D) is an upper plan view, and (E) is a lower plan view.

59 is an enlarged explanatory view showing a valve body of the discharge switching valve of the shower head with a water purification function, wherein (A) is a side view, (B) is a front view, (C) is a rear view, and (D) is FIG. (E) is a lower plan view.

60 is an enlarged side sectional view showing a valve body of the discharge switching valve of the shower head having the water purification function (ZZ in FIG. 59);
FIG.

FIG. 61 is an enlarged plan sectional view showing the head of the shower head with the water purification function in the raw water discharge state.

62 is an enlarged side sectional view showing the head of the shower head with the water purification function at the position of the water purification side shutoff valve (C- in FIG. 61);
FIG.

63 is an enlarged side sectional view showing the head of the shower head with a water purification function at the position of the raw water side shut-off valve (D- in FIG. 61);
FIG.

FIG. 64 is an enlarged oblique front sectional view showing the head of the shower head with a water purification function at the position of the water purification side shut-off valve (as viewed in the direction of arrows EE in FIG. 61).

FIG. 65 is an enlarged oblique front sectional view showing the head of the shower head with a water purification function at the position of the raw water-side shutoff valve (as viewed in the direction of arrow FF in FIG. 61).

FIG. 66 is a side view showing a shower head with a water purification function according to the second embodiment of the present invention.

FIG. 67 is a plan view showing the shower head with the water purification function of the above.

FIG. 68 is a front view showing the shower head with the water purification function.

69 is a side cross-sectional view showing the shower head with a water purification function (viewed along the line AA in FIG. 68).

70 is a cross-sectional plan view showing the shower head with a water purification function of the above (viewed along the line BB in FIG. 69).

FIG. 71 is an enlarged plan sectional view showing the head of the shower head with a water purification function in the purified water discharge state.

72 is an enlarged side sectional view showing the head of the shower head with a water purification function at the position of the water purification side shut-off valve (C- in FIG. 71);
FIG.

73 is an enlarged side sectional view showing the head of the shower head with the water purification function at the position of the raw water side shut-off valve (D- in FIG. 71);
FIG.

74 is an enlarged oblique front sectional view showing the head of the shower head with a water purification function at the position of the water purification side shut-off valve (as viewed in the direction of arrows EE in FIG. 71).

75 is an enlarged oblique front cross-sectional view showing the head of the shower head with a water purification function at the position of the raw water-side shut-off valve (viewed along the line FF in FIG. 71).

76 is an enlarged vertical cross-sectional view (a view taken along the line VV in FIG. 77) showing the case body of the water purification material of the shower head having the water purification function.

FIG. 77 is an enlarged bottom plan view showing a case body of a water purification material of the shower head with the water purification function.

FIG. 78 is an enlarged top plan view showing a partition plate of the shower head with the water purification function.

FIG. 79 is an enlarged side cross-sectional view showing the partition plate of the shower head with a water purification function (viewed along the line WW in FIG. 78).

FIG. 80 is an enlarged bottom plan view showing a partition plate of the shower head with the water purification function.

FIG. 81 is an enlarged top plan view showing a shower plate of the shower head with the water purification function.

FIG. 82 is an enlarged side cross-sectional view (a view taken along the line YY in FIG. 81) showing the shower plate of the shower head with the water purification function.

FIG. 83 is an enlarged plan sectional view showing the head of the shower head with a water purification function in the raw water discharge state according to the third embodiment;

84 is an enlarged side cross-sectional view showing the head of the shower head with the water purification function at the position of the water purification side shut-off valve (C- in FIG. 83).
FIG.

85 is an enlarged side sectional view showing the head of the shower head with the water purification function at the position of the raw water side shut-off valve (D- in FIG. 83);
FIG.

86 is an enlarged oblique front sectional view showing the head of the shower head with the water purification function at the position of the water purification side shut-off valve (as viewed in the direction of arrows EE in FIG. 83).

87 is an enlarged oblique front sectional view showing the head of the shower head with the water purification function at the position of the raw water side shut-off valve (viewed along the line FF in FIG. 83).

[Description of Signs] 100, 200 Shower head with water purification function 110, 210 Gripping part 111, 112, 211, 212 Tube part 113, 213 Relay part 120, 220 Head 130, 230 Shower plate 130a, 230a Shower outlet 130b, 230b Straight discharge ports 130i, 230i Shower discharge paths 131, 231 Straight discharge flow path forming members 140, 240 Flow path switching valves (water quality switching valves) 141, 241 Push buttons 142, 242 Purification side cutoff valves 142a, 143a Valve body 142b , 143b Valve support member 142c, 143c Coil spring 143, 243 Raw water side shutoff valve 144, 145 Valve seat 150, 250 Water quality purification material 151, 251 Purification material 152, 252 Filter 153, 253 Case 154, 254 Mouth 154, 254 Inlet 160 Discharge switching valve 161 Switching lever 163 Valve body 170, 270 Partition plate 170e Rib 170f Projecting portion 171,271 Assembly passing member 181 Partition frame member 182 Push rod guide member 183 Double push rod 184 Switching ring 185 First switching frame 186 Second switching frame 187 Cam mechanism 188 Coil spring 272 Hole

Claims (7)

[Claims] 1. A head having a shower discharge port, and a grip having a connection end to other parts and having a size formed so as to be directly held by a hand, wherein the head has a water purification material. And a raw water flow passage that passes through the water purification material and purifies and discharges the water quality, and a raw water flow passage that discharges the water without passing through the water purification material. A water purification function is provided, wherein a flow path switching valve for switching between a raw water flow path and an operation end provided in an operation mechanism of the flow path switching valve is formed as a push button and protrudes outside the head. shower head. 2. A shower head with a water purification function according to claim 1, wherein said flow path switching valve is disposed upstream of said water purification material. 3. The flow path switching valve is formed as an alternate switching type shut-off valve in which a shut-off valve for water purification and a cut-off valve for raw water, which alternately shut off the flow path by the push button, are provided. Item 7. A shower head with a water purification function according to item 1. 4. The shower with a water purifying function according to claim 3, wherein the shut-off valve for water purification and the shut-off valve for raw water of the alternate switching type shut-off valve are formed as shut-off valves each having a spherical valve body. head. 5. A straight discharge port is provided at a position where the shower discharge port on the head is formed, and a discharge switching valve for switching between discharge from the shower discharge port and discharge from the straight discharge port is incorporated. The shower head with a water purification function according to claim 1. 6. A shower head with a water purifying function according to claim 5, wherein said discharge switching valve is formed as a discharge switching valve having an operation portion formed to be switchable from outside the head. 7. The shower head with a water purification function according to claim 6, wherein said discharge switching valve has an operation lever operated from outside the head.