JP4966174B2 - Water discharger with shower / conditioning switching function - Google Patents

Description

  The present invention relates to a water discharge device with a shower water / water conditioning switching function capable of switching between shower water and water conditioning.

  Conventionally, a water discharging apparatus having a function of switching between shower water and conditioned water is known from Patent Document 1.

In this conventional example, the water discharge state of the shower water and the conditioned water is switched by pressing a push button (switch piece) provided on the upper surface of the shower head portion. The conventional push-type water channel switching mechanism that switches the water channel by pressing such a push button has a problem that the number of parts is large, the parts themselves are large, the structure is complicated, and the cost is increased.
JP 2003-24832 A

  The present invention has been invented in view of the above-described conventional problems, and can be switched between shower water and conditioned water with a switching mechanism having a simple configuration, and water from the side that does not discharge water when switched. It is an object of the present invention to provide a water discharge device with a shower water / water conditioning switching function that can reliably prevent leakage with a simple configuration.

In order to solve the above problems, a water discharge device with a shower water / water conditioning switching function according to the present invention is a water discharge device 1 having a function of switching between shower water and water conditioning, and is downstream of the water discharge device main body 2. A valve portion 5 provided with a water passage hole 4 in a bottom surface portion 3 is fixed to an end portion, an inner cylinder portion 7 is provided in an outer cylinder portion 6, and a guide cylinder portion 8 is provided in a rear portion of the inner cylinder portion 7. The rotating member 18 in which the part 6, the inner cylinder part 7, and the guide cylinder part 8 are integrated is formed, a shower water passage 9 is formed between the outer cylinder part 6 and the inner cylinder part 7, and the shower water is used. A shower water discharge hole 10 is formed at the front end portion of the passage 9, the inner cylinder portion 7 is used as a water adjustment passage 11, and a water adjustment discharge port 12 is provided at the front end of the water adjustment passage 11. The shower 13 communicated with the rear end portion of the shower water passage 9 which is adjacent to the projection 13 and is recessed from the projection 13 adjacent to the projection 13. A water communication portion 14 is formed, and a water conditioning hole 15 that opens to the rear end surface portion of the projection 13 and communicates with the rear end of the water conditioning passage 11 is formed in the projection 13. A packing material 17 is fitted into a groove 16 provided on the rear end surface portion so as to surround the periphery of the water conditioning hole 15, and a rotating member 18 is rotatably attached to an end portion of the water discharging device main body 2. A state in which the rear end surface portion of the protruding portion 13 of the guide tube portion 8 is pressed against the bottom surface portion 3 via the packing material 17, and the water passage hole 4 communicates with the water conditioning hole 15 by the rotation of the rotation member 18; The water passage 4 can be switched to a state in which it communicates with the shower water communication portion 14, and the front tube portion 26 projecting forward from the outer periphery of the bottom surface portion 3 of the valve portion 5 in the circumferential direction. An extending slot 27 that extends from the front end of the front tube portion 26 to the engagement long hole 27 is formed on the inner surface of the front tube portion 26. 7a is formed, and the engagement protrusion 45 projecting outward from the guide tube portion 8 is slidably fitted into the engagement long hole 27 via the introduction groove 27a, so that the packing material 17 is fitted to the valve portion. The guide tube portion 8 is rotatable with respect to the valve portion 5 while maintaining the state of being pressed against the bottom surface portion 3 of 5 .

With such a configuration, by rotating the rotating member 18, a water discharge form in which the water flow hole 4 discharges the water from the water adjustment water discharge port 12 communicated with the water adjustment hole 15, The water hole 4 communicates with the shower water communication part 14 and can switch the water discharge form for discharging water as shower water from the shower water discharge hole 10, and for water conditioning formed on the rear end surface part of the protrusion 13. Since the rear end surface portion of the protrusion 13 is pressed against the bottom surface portion 3 of the valve portion 5 through the packing material 17 provided so as to surround the periphery of the hole 15, the rotation member 18 is rotated to rotate the water passage hole 4. When the water discharge form discharges the water from the water adjustment outlet 12 communicating with the water adjustment hole 15, the packing material 17 prevents water leakage from the shower water discharge hole 10, and The water passage hole 4 communicates with the shower water communication portion 14 from the shower water discharge hole 10. Upon the water discharge mode to the water discharge as showers water can be prevented water leakage from water conditioner for spout 12.
In addition, the bush 28 into which the valve portion 5 and the guide tube portion 8 are fitted is screwed into the female screw 24 formed at the downstream end of the water discharge device main body 2 from the front side, so that the valve portion 5 is attached by the bush 28. Pressing and fixing to the water discharger main body 2, an outer peripheral protrusion 40 protrudes from the outer periphery of the guide tube portion 8, protrudes inward from the inner peripheral surface of the bush 28, and the outer periphery of the guide tube portion 8 at the rear end. It is preferable to provide a rib 33 that prevents the guide tube portion 8 from coming out of the bush 28 forward when the projection 40 hits.

  Since the present invention is configured as described above, either the shower water discharge or the regulated water discharge can be performed with a simple configuration by simply rotating the rotating member having the shower water discharge hole and the water adjustment outlet. In addition, the rear end surface portion of the protrusion is attached to the bottom surface portion of the valve portion via a packing material provided so as to surround the periphery of the water conditioning hole formed in the rear end surface portion of the protrusion. With a simple configuration of pressing, it is possible to reliably prevent water leakage from the side that does not discharge when switching, and there are fewer switching parts compared to the conventional push-type water channel switching mechanism using a push button. This simplifies the configuration and reduces the cost.

  Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

  In the embodiment shown in the accompanying drawings, the example of the shower head 1a is shown as the water discharging device 1 having a function of switching between shower water and conditioned water. In the following description of the embodiments, the water discharge direction will be described as the front, and the direction opposite to the water discharge direction will be described as the rear.

  The water discharge device main body 2 constituting the main body of the shower head 1a shown in FIGS. 1 and 2 is configured by internally fixing a main body cylinder portion 21 having a hose 20 connected to a rear end portion in a cover cylinder portion 22. is there. The front end portion of the cover tube portion 22 is an inclined tube portion 23 that protrudes obliquely forward from the front end portion of the main body tube portion 21. A female screw 24 is engraved on the inner peripheral surface of the cylindrical portion 23.

  As shown in FIG. 3, the valve portion 5 has a bottom surface portion 3 formed at the front end portion of the tubular portion 25, and the bottom surface portion 3 is provided with a fan-shaped water passage hole 4 (the embodiment shown in the attached drawings). In FIG. 2, two water flow holes 4 that are point-symmetric are provided), and a front cylindrical portion 26 is integrally projected forward from the outer periphery of the bottom surface portion 3, and the front cylindrical portion 26 is engaged in the circumferential direction. An elongated hole 27 is formed, and an introduction groove 27 a extending from the front end of the inner surface of the front cylinder portion 26 to the engagement elongated hole 27 is formed.

  As shown in FIG. 4, the guide tube portion 8 has a bottomed tube shape, an internal thread 39 is engraved on the inner peripheral portion, and an outer peripheral protrusion 40 protrudes on the outer periphery of the rear end portion. The protrusion 13 and the shower water communication portion 14 are formed on the rear end surface portion of the guide tube portion 8. In the embodiment shown in the accompanying drawings, a protruding portion 13 having a sectional fan shape is projected from a part of the rear end surface portion of the guide tube portion 8 toward the rear (in the embodiment shown in the drawing, the protruding portion having a sectional fan shape). 13 are point-symmetrically projecting toward the rear in a symmetrical manner), and the portion of the rear end surface portion of the guide tube portion 8 where the projecting portion 13 is not projecting is recessed from the projecting portion 13. It is part 14.

  The two consecutive protrusions 13 are each formed with a water conditioning hole 15 that opens to the rear end surface portion of the protrusion 13 and communicates with a hole portion in the guide tube portion 8. Grooves 16 that are continuous in an “8” shape are formed on the rear end surface portion of the two consecutive protrusions 13 so as to surround the periphery of the two water conditioning holes 15, and the “8” As shown in FIG. 4C, the end portion of the packing material 17 that is continuous in the shape of "8" projects into the groove portion 16 that is continuous in a shape.

  An engaging protrusion 45 protrudes outward from the rear end of the protrusion 13, and the engaging protrusion 45 protrudes outward from the outer surface of the guide tube portion 8.

  The rear portion of the guide tube portion 8 is rotatably fitted in the front tube portion 26 at the front portion of the valve portion 5. In this case, the engagement protrusion 45 is engaged with the engagement length 27 a from the introduction groove 27 a of the front tube portion 26. By being fitted in the hole 27 so as to be slidable in the circumferential direction, the guide cylinder portion 8 is rotated with respect to the valve portion 5 while the rear portion of the packing material 17 is kept pressed against the bottom surface portion 3 of the valve portion 5. It is free to move.

  When the guide cylinder portion 8 is rotated while the packing material 17 is pressed against the bottom surface portion 3, the water passage hole 4 communicates with the water conditioning hole 15, and the water passage hole 4 and the shower water communication portion 14 do not communicate with each other. And the form in which the water passage hole 4 communicates with the shower water communication portion 14 and the water passage hole 4 and the water conditioning hole 15 do not communicate with each other.

  The front portion of the valve portion 5 and the guide tube portion 8 are fitted into a bush 28 as shown in FIG. The bush 28 has a large-diameter hole portion 30 in the latter half of the hole in the cylindrical body portion 29 and a small-diameter hole portion 31 having a smaller diameter than the large-diameter hole portion 30 in the front half portion. Are connected to each other via a stepped portion 32, and a rib 33 protrudes inwardly from the inner peripheral surface of the small-diameter hole portion 31. Further, a male screw 34 is provided on the outer periphery of the rear half portion of the bush 28. Is engraved.

  A front cylinder part 26 protruding forward from the front part and front end of the valve part 5 is fitted in the large diameter hole part 30, and a guide cylinder part 8 is rotatably fitted in the small diameter hole part 31. In addition, the outer peripheral projection 40 of the guide tube portion 8 abuts against the rear end of the rib 33 of the bush 28 so that the guide tube portion 8 cannot be removed from the bush 28 forward. Further, a communication passage 43 is formed between the outer surface of the guide tube portion 8 and the inner peripheral surface of the small diameter hole portion 31 of the bush 28, and the rear end of the communication passage 43 communicates with the shower water communication portion 14. Yes.

  As described above, the bush 28 fitted with a combination of the valve portion 5 and the guide tube portion 8 has the male screw 34 provided on the outer periphery of the rear half portion as the female screw 24 of the tube portion 23 at the front end portion of the cover tube portion 22. Screw together. In this case, the valve portion 5 is fitted into the cylindrical portion 23, and the bush 28 is screwed onto the cylindrical portion 23 and attached as described above, so that the rear end of the bush 28 is provided on the outer periphery of the valve portion 5. The valve portion 5 is pressed against the front end portion of the main body cylinder portion 21 by pressing the flange portion 35 so that the valve portion 5 is fixed to the water discharge device main body 2 so as not to rotate.

  As shown in FIG. 6, the outer tube portion 6 has a ring-shaped inner collar portion 36 formed at the front end, and a plurality of small holes are provided in the inner collar portion 36 to form the shower water discharge hole 10. is there. A knob 42 projects from the outer surface of the outer cylinder portion 6.

  Further, the inner cylinder portion 7 has an outer shape as shown in FIG. 7, and a water conditioning passage 11 having a front end serving as a water adjustment outlet 12 is formed inside the inner cylinder portion 7. A flange portion 37 protrudes from the outer periphery of the front end portion, and a male screw 38 is engraved on the outer periphery of the rear portion.

  While the inner cylinder portion 7 is fitted from the front into the central opening of the inner flange portion 36 of the outer cylinder portion 6, the female screw 39 of the guide cylinder portion 8 is screwed onto the male screw 38 of the inner cylinder portion 7, and the outer cylinder The rear portion of the portion 6 is rotatably fitted to the front portion of the bush 28 via a packing 41. In this case, the flange portion 37 of the inner cylinder portion 7 is pressed against the front end portion of the inner peripheral portion of the inner flange portion 36, and the front end portion of the guide cylinder portion 8 is pressed against the rear end portion of the inner peripheral portion of the inner flange portion 36. The outer cylinder part 6, the inner cylinder part 7, and the guide cylinder part 8 are integrally coupled by being held and held by the outer cylinder part 6, the inner cylinder part 7, and the guide cylinder part 8 that are integrally coupled in this way. A rotating member 18 that rotates integrally is formed.

  Here, a shower water passage 9 communicating with the communication passage 43 is formed between the outer cylinder portion 6 and the inner cylinder portion 7, and provided in the aforementioned inner flange portion 36 at the front end portion of the shower water passage 9. The shower water discharge hole 10 is located. Further, the water conditioning passage 11 inside the inner cylinder portion 7 communicates with a water conditioning hole 15 provided in the protrusion 13 of the guide cylinder portion 8.

  The water discharge device 1 having the above configuration operates the knob 42 to rotate the rotating member 18 to connect the water passage hole 4 and the water adjustment hole 15 as shown in FIG. The water discharge form which discharges the conditioned water from the water outlet 12 or the water discharge form which discharges water as shower water from the water discharge hole 10 for the shower water by connecting the water passage hole 4 and the communication part 14 for shower water as shown in FIG. Can be.

  As described above, the present invention selects either the shower water discharge or the regulated water discharge simply by rotating the rotation member 18 having the shower water discharge hole 10 and the water adjustment discharge port 12. Therefore, the configuration can be simplified.

  When the water passage hole 4 and the water conditioning hole 15 are communicated with each other, the packing material 17 attached so as to surround the water conditioning hole 15 is surrounded by the water passage hole 4 in the bottom surface portion 3 of the valve portion 5. The water is leaked from the water flow hole 4 to the shower water communication part 14 side so as not to leak from the shower water discharge hole 10.

  Further, when the water passage hole 4 and the shower water communication portion 14 are communicated, the packing material 17 attached so as to surround the periphery of the water conditioning hole 15 is the water passage hole 4 of the bottom surface portion 3 of the valve portion 5. Is pressed so as to surround a portion where no water is present, so that water leaks from the water passage hole 4 or the shower water communication portion 14 to the water regulation hole 15 side and does not leak from the water outlet 12 for water regulation. .

  Therefore, in the present invention, the rear end surface portion of the protrusion 13 is connected to the bottom surface of the valve portion 5 via the packing material 17 provided so as to surround the periphery of the water conditioning hole 15 formed in the rear end surface portion of the protrusion 13. With a simple configuration of pressing against the part 3, it is possible to reliably prevent water leakage from the side where water is not discharged when switching, and the number of switching parts is small compared to a push-type water channel switching mechanism using a conventional push button. This simplifies the configuration and reduces the cost.

It is sectional drawing of the state switched to the water discharge of the shower water of the water discharging apparatus with the shower water and conditioned water switching function of this invention. It is sectional drawing of the state switched to the controlled water discharge of the water discharging apparatus with a shower water and water control switching function same as the above. The valve | bulb used for the same is shown, (a) is a perspective view, (b) is a plan view, (c) is a bottom view, (d) is a front view, (e) is a side view. (F) is a cross-sectional view. The guide cylinder part used for the above is shown, (a) is a perspective view, (b) is a plan view, (c) is a sectional view of a state in which a packing material is fitted, and (d) is a bottom view. It is. It is a perspective view of the bush used for the same as the above. It is a perspective view of the outer cylinder used for the same as the above. It is a perspective view of the inner cylinder used for the same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Water discharging apparatus 2 Water discharging apparatus main body 3 Bottom face part 4 Water flow hole 5 Valve part 6 Outer cylinder part 7 Inner cylinder part 8 Guide cylinder part 9 Shower water passage 10 Shower water discharge hole 11 Water adjustment passage 12 Water adjustment discharge 12 Water outlet 13 Protruding portion 14 Shower water communicating portion 15 Water conditioning hole 16 Groove portion 17 Packing material 18 Rotating member

Claims (2)

A water discharge device having a function of switching between shower water and conditioned water, wherein a valve portion having a water passage hole in a bottom surface portion is fixed to a downstream end portion of the water discharge device main body, and an inner cylinder portion is provided in an outer cylinder portion And a guide cylinder part at the rear of the inner cylinder part to constitute a rotating member in which the outer cylinder part, the inner cylinder part and the guide cylinder part are integrated, and a shower is provided between the outer cylinder part and the inner cylinder part. A water passage is formed and a shower water discharge hole is formed at the front end of the shower water passage, the inside of the inner cylinder portion is used as a water adjustment passage, and a water adjustment discharge is provided at the front end of the water adjustment passage. A protrusion is formed on the rear end surface of the guide tube portion, and a shower water communicating portion is formed adjacent to the protrusion and is recessed from the protrusion, and communicates with the rear end of the shower water passage. Forming a water conditioning hole that opens at the rear end surface of the head and communicates with the rear end of the water conditioning passage, and is provided on the rear end surface of the protrusion so as to surround the periphery of the water conditioning hole. A packing material is fitted into the groove portion, a rotating member is rotatably attached to the end portion of the water discharge device main body, and the rear end surface portion of the protruding portion of the guide cylinder portion is pressed to the bottom surface portion of the valve portion via the packing material, and a state in communication with the water conditioner for holes passing water hole by rotation of the rotating member, which water-passing hole is freely switched between a state communicating with the shower water for communicating portion, the bottom portion of the valve portion An engagement elongated hole extending in the circumferential direction is formed in the front cylinder portion protruding forward from the outer periphery, and an introduction groove extending from the front end of the front cylinder portion to the engagement elongated hole is formed on the inner surface of the front cylinder portion. The engagement protrusion projecting outward from the tube portion is slidably fitted into the engagement elongated hole via the introduction groove, so that the packing material is kept pressed against the bottom surface of the valve portion. while the guide tube portion is characterized by comprising a rotatable relative to the valve unit showering Water-purifier switching function with a water discharge device. By fitting the bush fitted with the valve part and the guide cylinder part into the female screw formed on the downstream end of the water discharger body from the front side, the valve part is pressed against the water discharger body by the bush and fixed. An outer peripheral protrusion is provided on the outer periphery of the guide tube portion, protrudes inward from the inner peripheral surface of the bush, and the guide tube portion moves forward from the bush when the outer periphery protrusion of the guide tube portion hits the rear end. The water discharger with a shower / water-conditioning switching function according to claim 1, further comprising a rib for preventing it from coming off.

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