Water discharge switching device

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• wherein the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means, and the shower water discharging means is relatively moved with respect to the air/water mixing chamber of the foaming water producing and discharging means so that a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means is opened and closed,
• the water discharge switching device further comprising:
• a first cylindrical body having a partition wall for defining an inflow chamber and a discharge chamber which are adjacent to each other in a vertical direction, a pillar-shaped body extending from the partition wall to form the discharge chamber in an annular shape and having a flange-shaped valve seat formed at an end portion thereof, and a plurality of first small-diameter holes formed in the partition wall in a manner surrounding the pillar-shaped body near the pillar-shaped body;
• and a second cylindrical body having an inner cylinder and an outer cylinder which are concentrically arranged, an end wall for closing one end of a first annular gap formed between the inner cylinder and the outer cylinder, a plurality of shower water discharge ports formed in the end wall with a gap between them in a circumferential direction, and an annular valve body extending from an inner peripheral surface of the inner cylinder, the outer cylinder of the second cylindrical body being externally fitted on the first cylindrical body in such a way that the second cylindrical body can move relatively in a vertical direction and a fitting portion thereof being sealed, the inner cylinder of the second cylindrical body moving into the discharge chamber of the first cylindrical body outside in a radial direction of the first small-diameter hole to form a second annular gap between the inner cylinder and a peripheral wall of the first cylindrical body forming an outer peripheral wall of the discharge chamber and a third annular gap between the inner cylinder and the pillar-shaped body, and the annular valve body facing to the flange-shaped valve seat in the third annular gap, and a part of the outer cylinder of the second cylindrical body being screwed on a part of the first cylindrical body.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing to the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• in which the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, and the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means,
• the water discharge switching device further comprising:
• a first cylindrical body having a partition wall for defining an inflow chamber and a discharge chamber which are adjacent to each other in a longitudinal direction, a pillar-shaped body extending from the partition wall to form the discharge chamber in an annular shape and having a flange-shaped valve seat formed at an end portion thereof, and a plurality of first small-diameter holes formed in the partition wall in a manner surrounding the pillar-shaped body near the pillar-shaped body;
• and a second cylindrical body having an inner cylinder and an outer cylinder which are concentrically arranged, an end wall for closing one end of a first annular gap formed between the inner cylinder and the outer cylinder, a plurality of shower water discharge ports formed in the end wall with a gap between them in a circumferential direction, and an annular valve body extending from an inner peripheral surface of the inner cylinder, the outer cylinder of the second cylindrical body being externally fitted on the first cylindrical body such that the second cylindrical body can move relatively in a vertical direction and a fitting portion thereof being sealed, the inner cylinder of the second cylindrical body moving into the discharge chamber of the first cylindrical body outside in a radial direction of the first small-diameter hole to form a second annular gap between the inner cylinder and a peripheral wall of the first cylindrical body forming an outer peripheral wall of the discharge chamber and a third annular gap between the inner cylinder and the pillar-shaped body, and the annular valve body facing the flange-shaped valve seat in the third annular gap,
• wherein a predetermined region in a circumferential direction of an outer surface of the end wall is inclined from the inner cylinder to the outer cylinder in a direction closer to an open end of the first annular gap, and a remaining region in the circumferential direction of the outer surface of the end wall is perpendicular to the shower water discharge ports.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• in which the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, and the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means,
• the water discharge switching device further comprising:
• a first cylindrical body having a partition wall for defining an inflow chamber and a discharge chamber which are adjacent to each other in a vertical direction, a pillar-shaped body extending from the partition wall to form the discharge chamber in an annular shape and having a flange-shaped valve seat formed at an end portion thereof, and a plurality of first small-diameter holes formed in the partition wall in a manner surrounding the pillar-shaped body near the pillar-shaped body;
• and a second cylindrical body having an inner cylinder and an outer cylinder which are concentrically arranged, an end wall for closing one end of a first annular gap formed between the inner cylinder and the outer cylinder, a plurality of shower water discharge ports formed in the end wall with a gap between them in a circumferential direction, and an annular valve body extending from an inner peripheral surface of the inner cylinder, the outer cylinder of the second cylindrical body being externally fitted on the first cylindrical body such that it can move relatively in a vertical direction and a fitting portion thereof being sealed, the inner cylinder of the second cylindrical body moving into the discharge chamber of the first cylindrical body outside in a radial direction of the first small-diameter hole to form a second annular gap between the inner cylinder and a peripheral wall of the first cylindrical body forming an outer peripheral wall of the discharge chamber and a third annular gap between the inner cylinder and the pillar-shaped body, and the annular valve body facing to the flange-shaped valve seat in the third annular gap,
• wherein the plurality of shower water discharge ports are arranged in a manner of a plurality of concentric circles having different diameters and an angle formed by a direction in which the shower water discharge ports extend and a direction in which the inner cylinder and the outer cylinder of the second cylindrical body extend varies for each circle in which the shower water discharge ports are arranged.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing to the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• wherein the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means, and the foaming water producing and discharging means and the shower water discharging means are formed by fitting a first cylindrical body which is an inner cylindrical body in a second cylindrical body which is an outer cylindrical body and a switching bar provided in a switching button abuts against a top end of a flange-shaped valve seat and the switching bar is moved up and down by operating the switching button to move up and down the flange-shaped valve seat to switch water discharge.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing to the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• wherein the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means, the foaming water producing and discharging means and the shower water discharging means are formed by fitting a first cylindrical body which is an inner cylindrical body in a second cylindrical body which is an outer cylindrical body, a cam having peaks and valleys formed at regular intervals along a circumferential direction of the inner cylinder is provided on an inner lower side of the inner cylinder of the second cylindrical body, a plurality of protrusions protruding in a radial direction are provided on an outer peripheral portion of a flange portion of the flange-shaped valve seat, and the cam slides on the protrusions with a turn of the second cylindrical body to make the protrusions alternately abut against the peaks and valleys of the cam to move up and down the flange-shaped valve seat, thereby switching water discharge.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing to the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• wherein the shower water discharge port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means, the foaming water producing and discharging means and the shower water discharging means are formed by screwing a first cylindrical body which is an inner cylindrical body in a second cylindrical body which is an outer cylindrical body, and the first cylindrical body is provided with a spline portion and the spline portion of the first cylindrical body can be fitted on a spline portion of a faucet hardware unit.

A water discharge switching device comprising:

• foaming water producing and discharging means having a water inlet, an air/water mixing chamber facing to the water inlet and capable of communicating with the water inlet, an air suction port capable of communicating with the air/water mixing chamber, and a foaming water outlet;
• shower water discharging means having a shower water discharge port and capable of communicating with the water inlet, the shower water discharging means being arranged around the air/water mixing chamber of the foaming water producing and discharging means;
• and
• water discharge switching means for selectively switching between discharge of foaming water from the foaming water producing and discharging means and discharge of shower water from the shower water discharging means,
• wherein the shower water discharging port of the shower water discharging means forms the air suction port of the foaming water producing and discharging means, the water discharge switching means is means for opening and closing a communication passage between the air/water mixing chamber and the foaming water outlet of the foaming water producing and discharging means, the foaming water producing and discharging means and the shower water discharging means are formed by screwing a first cylindrical body which is an inner cylindrical body in a second cylindrical body which is an outer cylindrical body, and a part, on a side fitted to a faucet hardware unit, of the first cylindrical body and the second cylindrical body is fixed to a spout body so as to be buried therein.