JP2016113856A - Combination faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a combination faucet capable of saving energy by eliminating unconscious waste of hot water at a start of use or during use.SOLUTION: A combination faucet has a closing side abutment part, which abuts a closing side facing part of a combination faucet body with a side face opposite to a side of a single lever 8 on a closing direction side. The single lever can completely close the combination faucet. The combination faucet comprises: a complete closing prevention facing part, which prevents a movable valve body 9 from being slid to a complete closing position to close a water inflow valve port and a hot water inflow valve port of a fixed valve body 11 by abutting the closing side abutment part to the closing side facing part of the combination faucet body; and a complete closing enabling facing part, which is dented from the complete closing prevention facing part where the movable valve body 9 can be slid to the complete closing position.SELECTED DRAWING: Figure 1-1

Description

  The present invention relates to a single lever type hot and cold water mixing tap that adjusts a hot water mixing ratio and a discharge amount by horizontal and vertical rotation of a single lever.

The single lever type hot and cold water mixing tap is a movable valve body that is placed on the top of the fixed valve body on the main body of the hot and cold water mixing stopper and is slidable. This is a hot and cold water mixing tap that adjusts the hot water and water mixing ratio and the discharge amount, and since it is easy to operate, various single lever type hot and cold water mixing taps are often used.
However, the horizontal rotation position of the single lever is often set to a central position where the user can easily operate unconsciously, and there is a drawback that the user uses the hot water mixing position at the start of use and the like, and the hot water is easily consumed unconsciously.
For this drawback, Patent Documents 1 and 2 disclose that the shape of the water inlet valve port / hot water inlet valve port of the fixed valve body and the hot water control valve port of the movable valve body are changed so that the single lever at the center position is closed. However, the structure in which water is discharged first at the start of the next use has been proposed, but the adjustment range of the hot / cold water mixing ratio is smaller than that of the conventional structure, making it difficult to adjust the hot / cold water mixing ratio, It becomes difficult to secure a sufficient discharge volume due to the small area of the mouth, and new pressure such as water leakage due to uneven sliding wear occurs due to uneven pressing force on the movable valve body due to unevenness of the valve mouth area and arrangement. There are drawbacks.
Further, Patent Documents 3 to 4 have a proposal to add a water-saving mode function for temporarily limiting the discharge amount to a small amount by limiting the rotation angle of the opening direction of the single lever, but from the normal use mode to the water-saving mode. There is a drawback that some kind of switching operation is required both for switching and for switching from the water-saving mode to the normal use mode.

Japanese Patent No. 3200540 Single lever type hot and cold water mixing tap JP 2012-132484 JP Single lever mixer tap JP-A-11-124888 Single lever mixer tap Japanese Patent Laid-Open No. 11-152772 Single lever mixer tap

  The present invention makes the user always aware of the hot / cold water mixing ratio, and the adjustment of the hot / cold water mixing ratio is easy as before, and can be switched between the normal mode and the water-saving mode with a small discharge amount without switching operation. An object of the present invention is to provide an energy-saving single lever type hot and cold water mixing tap that is not wasted.

The first invention made to solve these problems is:
The movable valve body, which is arranged and slid on the upper surface of the fixed valve body provided in the main body of the hot and cold water mixing tap, is horizontally rotated and moved forward and backward by the horizontal and vertical rotation of the single lever. A hot and cold water mixing tap to adjust
A hot and cold water mixing plug body provided with a water inflow portion, a hot water inflow portion, and a discharge portion;
A water inflow valve port communicating with the water inflow portion of the hot water mixing tap main body and a hot water inflow valve port communicating with the hot water inflow portion, a fixed valve body provided inside the hot water mixing tap main body,
It is arranged in a slidable manner on the upper surface of the fixed valve body, and when it is rotated horizontally, the opening area ratio of the water inlet valve port and the hot water inlet valve port is changed to adjust the hot water / water mixture ratio, so that it moves forward and backward. A movable valve body that adjusts the discharge amount by changing the opening area of the water inlet valve port and the hot water inlet valve port when
A horizontal rotation holder that is provided inside the hot and cold water mixing plug main body so as to be horizontally rotatable, and sandwiches the movable valve body with the fixed valve body;
A rotation shaft provided horizontally inside the horizontal rotation holder;
An actuating body provided on the rotating shaft and provided with a protrusion at the lower part for moving the movable valve body back and forth when rotated up and down and horizontally rotating the movable valve body when horizontally rotated. When,
A single lever provided at the upper part of the operating body, sliding the movable valve body through the operating body, adjusting the hot water / water mixing ratio by horizontal rotation, and adjusting the discharge amount by vertical rotation;
Including:
One of the side surface on the closing direction side of the single lever, the side surface on the closing direction side of the operating body that rotates up and down by the single lever, or the side surface on the closing direction side of the movable valve body that moves forward and backward by the operating body. A closed-side abutting portion that abuts against a closed-side facing portion of the hot and cold water mixing plug main body facing the side surface;
The movable valve body slides to a fully closed position where the water inlet valve port and the hot water inlet valve port of the fixed valve body are closed by the closing side abutting portion coming into contact with the closing side facing portion of the hot water mixing plug body. A fully-closed opposing part that prevents the movable valve element from being moved, and a fully-closable opposing part that is recessed from the fully-closed opposing part that can be slid to the fully closed position. A hot and cold water mixing tap.

The second invention is
The fully-closable facing part is provided only at a position where only the water in the closing-side facing part of the hot and cold water mixing plug main body can be discharged.

The third invention is
The counter part for full closure is provided at a position where only the hot water of the counter part on the closed side of the hot-water mixing plug main body can be discharged.

The fourth invention is
The fully closed blocking opposing portion is provided on the hot and cold water mixing plug main body so as to be vertically movable or horizontally rotatable.

The fifth invention is
The contact portion of the closing contact portion moves forward and backward by elasticity.

The sixth invention is
The protruding length of the closing side contact portion provided on either the side surface on the closing direction side of the single lever or the side surface on the closing direction side of the operating body is adjustable.

The seventh invention
An opening side of the single lever, an opening side of the actuating body, or an opening side of the movable valve body, the side surface of the hot water / mixing plug main body facing the side surface. An open-side contact portion that contacts the open-side facing portion is provided, and a contact portion of the open-side contact portion moves forward and backward by elasticity.

The eighth invention is
The protrusion length of the opening side contact portion provided on one of the opening side surface of the single lever and the opening side surface of the operating body is adjustable.

According to the first to fourth inventions, there are the following effects.
(1) In the hot and cold water mixing tap of the present invention, the horizontal rotation position at which the water can be fully closed is limited by the fully closeable facing portion corresponding to the preset hot water / water mixing ratio. Therefore, in order to fully close the hot / cold water mixing tap of the present invention, the horizontal rotation position of the single lever must be set to the horizontal rotation position for discharging hot water of this mixing ratio, and the hot water / water mixing ratio is always conscious. Therefore, unlike conventional hot and cold water mixing taps that can be fully closed at all horizontal pivot positions of the single lever, it is possible to save energy without unnecessarily wasting hot water at the start of use or during use.
(2) Since the horizontal rotation position that can be fully closed is limited, a conscious full closing operation is performed. Therefore, there is no fear of leakage due to insufficient unconscious lever operation, and wasteful hot water is not wasted. This eliminates the possibility of wasting hot water such as a hot water tank that uses nighttime power.
(3) In domestic hot water mixing taps, etc., if the fully-closable facing part is limited to the horizontal rotation position where only water is discharged, the full-close is limited to this horizontal rotation position, and wasteful hot water is used at the start of use. It is possible to forcibly eliminate wasting. Moreover, if a counter part for preventing full closure is provided at the horizontal rotation position for discharging only hot water and high-temperature mixed water, it cannot be fully closed at this horizontal rotation position, and hot water and high-temperature mixed water are discharged suddenly at the start of use. There is no risk of burns from being done.
In commercial hot water mixing taps and hot water mixing taps for bathtubs, if the horizontal rotation position that can be fully closed is limited to the horizontal rotation position that discharges only water and the horizontal rotation position of the hot water mixing ratio that is frequently used, Single lever operation is easy and reliable.
(4) If the closing-side facing member provided with the fully-closing blocking facing portion is mounted on the hot and cold water mixing plug main body so as to be vertically movable, the lower limit discharge amount (water saving mode discharge amount) can be easily changed. If it can be installed and can be horizontally rotated, it is easy to change the horizontal rotation position that cannot be fully closed.
(5) If the closing-side facing member provided with the fully-closing blocking facing portion and the fully-closable facing portion is mounted on the hot and cold water mixing plug main body so as to be movable up and down, the lower limit discharge amount is changed all at once. You can. If it is mounted so that it can be rotated horizontally, it can be easily discharged and closed at a desired mixing ratio of hot water and water.
(6) Since there are few restrictions on the shape of the water inlet valve port / hot water inlet valve port of the fixed valve body and the hot water control valve port of the movable valve body, it is easy to secure the valve port area and a sufficient flow rate can be obtained.
In addition, since the horizontal angle range for adjusting the hot water / water mixing ratio of the single lever can be ensured as before, the hot water / water mixing ratio can be easily adjusted.
Furthermore, because the opening area and position of the water inlet valve port and the hot water inlet valve port of the fixed valve body can be balanced, the biased pressure does not act on the movable valve body in the closed state, and the sliding wear is uneven. There will be no problems such as poor watertightness of sliding parts due to or leakage of watertight packing.

According to the fifth invention, the following effects are obtained.
(1) Since the single lever can be held by hand in the vertically rotating position where the single lever can be fully closed, even in the horizontal rotating position where the counter part for full closing is provided and the lower limit discharge amount is set, Can be fully closed while holding. Moreover, since the lower limit discharge amount (discharge amount in the water-saving mode) is automatically discharged when the hand is released, it is not necessary to set a small discharge amount in the case of rinsing and the consumption of hot water is minimized.
(2) If a ball plunger is used as the abutting portion that moves forward and backward by elasticity, the single lever can be easily rotated horizontally even in the abutting state due to the sliding movement of the ball plunger.
The same applies to the roller plunger.
(3) If a convex part or a concave part for generating a click feeling due to the abutting portion of the ball plunger such as a sphere or the like moving forward and backward is provided on the closed facing part where the sphere or the like slides, the standard of the hot and cold water mixing ratio can be obtained. Easy to stick. In the case of a contact portion that does not move back and forth, the single lever needs to be slightly rotated up and down, but the same applies.

  According to the sixth invention, the lower limit discharge amount (discharge amount in the water-saving mode) can be easily adjusted to a desired discharge amount by adjusting the protruding length of the closed contact portion. Thus, if the single lever is operated in the closing direction, a desired discharge amount is discharged, so that it is possible to improve the difficulty of adjusting the small discharge amount, which is the greatest drawback of the single lever type hot and cold water mixing tap.

  According to the seventh invention, in addition to the lower limit discharge amount (discharge amount in the water-saving mode), use at the upper limit discharge amount can be easily performed without mode switching operation. Thereby, it is possible to easily use the lower limit discharge amount, the appropriate amount range between the lower limit discharge amount and the upper limit discharge amount, and the upper limit discharge amount. Moreover, although it is temporary, full open operation is also possible.

  According to the eighth aspect of the invention, the upper limit discharge amount can be easily adjusted and the narrow appropriate amount range set by the upper limit discharge amount and the lower limit discharge amount can be dealt with. Therefore, it is easy to repeatedly use the desired discharge amount.

Explanatory drawing of Example 1-Vertical sectional view of the fully closed state at the horizontal rotation position H1 Explanatory drawing of Example 1-vertical sectional view at horizontal rotation position H4 Explanatory drawing of Example 1—A-A ′ vertical sectional view of FIG. Explanatory drawing of Examples 1-3-B-B 'horizontal sectional view of FIG. 1-1 Explanatory drawing of Examples 1 to 3-Valve body position relationship diagram in the fully open state at the horizontal rotation position H1 Explanatory drawing of Examples 1-3-Valve body position relationship diagram in the fully closed state at the horizontal rotation position H2. Explanatory drawing of Examples 1-3-Valve body position relationship diagram in the fully open state at the horizontal rotation position H2. Explanatory drawing of Examples 1-3-Valve body position relationship diagram in water-saving state at horizontal rotation position H4 Explanatory drawing of Examples 1-3-Valve body position relationship diagram in water-saving state at horizontal rotation position H2. Explanatory drawing of Example 2-Vertical sectional view in the fully closed state at the horizontal rotation position H1 Explanatory drawing of Example 2-Vertical sectional view of water saving state at horizontal rotation position H4 Explanatory drawing of Example 3-Vertical sectional view in the fully closed state at the horizontal rotation position H1 Explanatory drawing of Example 4-Vertical partial sectional view of water saving state at horizontal rotation position H2. Explanatory drawing of Example 4-Position of valve body position in fully closed state at horizontal rotation position H1 Explanatory drawing of Example 4-Positional relationship diagram of valve body in water saving state at horizontal rotation position H2. Explanatory drawing of Example 5-Vertical partial sectional view of water saving state at horizontal rotation position H2 Explanatory drawing of Embodiment 5-Positional relationship diagram of valve body in fully closed state at horizontal rotation position H1 Explanatory drawing of Example 5-Valve body position relationship diagram in water saving state at horizontal rotation position H2.

As an embodiment of the present invention, as shown in FIGS. 1-1 to 1-3, FIGS. 2-1 to 2, FIGS. 3-1 to 2 and FIGS. Is described below.
As shown in Fig. 2-1, the horizontal rotation range for adjusting the hot water / water mixing ratio of the single lever of the hot water / water mixing tap is 120 degrees on both sides, and the horizontal rotation range in the water-saving mode is shown in Fig. 4-1. As shown, the left 60 degrees, right 50 degrees, 110 degrees in total. The water-saving mode of this hot and cold water mixing tap is not a method that restricts the maximum discharge amount by restricting the operation in the opening direction of the single lever, but a method that restricts the minimum discharge amount by restricting the operation in the closing direction of the single lever. .

In the single lever type hot and cold water mixing plug of this embodiment, in order to facilitate replacement of repair parts, the internal parts are made unit replaceable by a cartridge. The cartridge holder 2 is screwed and attached to the hot and cold water mixing plug main body case 1, and the cartridge case 3 is fixed to the hot water and water mixing tap main body case 1 by the cartridge holder 2.
The single lever type hot and cold water mixing tap of the present embodiment is a horizontal component that is mounted on the inner side of the hot water and water mixing tap body case 1, the cartridge holder 2, the cartridge case 3, and the cartridge case 3 as main components. A rotating holder 4, a rotating shaft 5 fixed horizontally to the horizontal rotating holder 4, an operating body 6 that rotates up and down around the rotating shaft 5, and a side surface on the closing direction side of the operating body 6. Provided on the lower surface of the mounted ball plunger 7, a single lever 8 fixed to the upper part of the operating body 6, a movable valve body 9 that is horizontally rotated and moved forward and backward by the operating body 6, and the horizontal rotating holder 4. A sliding ring 10 on which the movable valve body 9 slides on its lower surface, a fixed valve body 11 fixed on the inside of the cartridge case 3 and on which the movable valve body 9 slides, a fixed valve body 11 and a hot and cold water mixing tap Watertight between the body case 1 And a communication packing 12 that communicates the water supply path and the hot water supply path.
Among these main components, the cartridge holder 2, the cartridge case 3, the horizontal rotation holder 4, the rotation shaft 5, the operating body 6, the ball plunger 7, the movable valve body 9, and the sliding ring. 10, the fixed valve body 11, and the watertight communication packing 12 are unitized as a replacement cartridge together with accessory parts.
In this embodiment, the horizontal rotation is a horizontal rotation centered on the central axis of the hot and cold water mixing faucet body, and the vertical rotation is an axis centered on the rotational axis orthogonal to the central axis of the hot water and water mixing cock body. Means up and down rotation.

The main components and the parts attached to the main components will be described below.
The hot and cold water mixing tap main body case 1 is a main body portion of a single lever type hot and cold water mixing tap, and is vertically attached to a mounting location such as a wash basin on the bottom surface. The hot water mixing tap main body case 1 has a water inflow portion 1a and a hot water inflow portion 1b on the bottom side, a discharge nozzle 1c which is a discharge portion for discharging hot water mixed water on the side surface, and a cartridge holder 2 on the inner side. A threaded portion 1d to be mounted and a ring-shaped recess 1e through which hot / cold mixed water can flow into the discharge nozzle 1a are provided.
The cartridge holder 2 is a part for collectively mounting the replacement cartridge to the hot and cold water mixing plug main body case 1 and includes a screw part 2a for screwing and a ring-shaped recess 2b to which the watertight packing 16 is attached. It has been. The watertight packing 16 seals water between the cartridge holder 2 and the hot and cold water mixing plug main body case 1 and between the cartridge holder 2 and the cartridge case 3.
The cartridge case 3 is a case part of a replacement cartridge, and includes an upper cylindrical part 3a and a lower cylindrical part 3b.
The upper cylindrical portion 3a is provided with a conical tapered portion 3c, a hemispherical concave portion 3d, and an arc-shaped cutout portion 3e. The conical taper portion 3c is provided at the upper part of the inner side surface of the upper cylindrical portion 3a. The range where the side surface on the opening direction side (the side surface that becomes the forward surface during the opening operation) faces is the opening-side facing portion. The range where the steel ball 7a of the ball plunger 7 in the projecting state abuts among the closed-side facing portions is the fully-closing blocking facing portion. However, when the steel ball 7a is pushed in and the case front surface of the ball plunger 7 comes into contact, it can be temporarily fully closed. The hemispherical recess 3d is a fully-closable facing portion into which the steel ball 7a of the ball plunger 7 is inserted, and is at a horizontal rotation position H1 for water discharge from which only water on the upper inner surface of the upper cylindrical portion 3a is discharged. (In other words, in terms of shape, the conical taper portion 3c is provided at the position of the horizontal rotation position H1 for water discharge). Accordingly, at the water discharging horizontal rotation position H1, the single lever 8 is not rotated in the opening direction by the reaction force of the ball plunger 7, and the fully closed position is maintained. The arc-shaped notch 3e is a notch for limiting the horizontal rotation range of the horizontal rotation holder 4 with the stopper 13 attached to the horizontal rotation holder 4, and is provided at the upper end of the upper cylindrical portion 3a. It has been.
The lower cylindrical portion 3b is provided with a side opening 3f through which hot / cold mixed water can flow into the ring-shaped recess 1c of the mixing plug body 1.

The horizontal rotation holder 4 is a cylindrical case portion that horizontally rotates the horizontal / vertical rotation related components collectively, and includes a cylindrical portion 4a and a flange portion 4b.
The cylindrical portion 4a is provided with a notch portion 4c for avoiding interference due to the vertical rotation of the operating body 6 and a ring-shaped recess 4d to which the O-ring 23 is attached. Further, the rotation shaft 5 is mounted on the inner side, and the stopper 13 and the O-ring 23 are mounted on the outer side. The stopper 13 is a pin that limits the horizontal rotation range, and the O-ring 23 is slidably watertight with the cartridge case 3.
On the lower surface of the flange portion 4b, there is provided a ring-shaped recess 4e to which the sliding ring 10 and a watertight / pressing O-ring 17 are mounted.
The rotating shaft 5 is a shaft on which the operating body 6 rotates up and down, is fixed horizontally to the cylindrical portion 4a of the horizontal rotating holder 4, and the operating body 6 is attached thereto. Positioning spacer rings 14 are also mounted on both sides of the operating body 6.
The actuating body 6 is a substantially rectangular member that horizontally rotates and moves the movable valve body 9 forward and backward, and is mounted on the rotating shaft 5 so as to be vertically rotatable. The operating body 6 is provided with a rectangular head 6a at the top and a protrusion 6b at the bottom. A single lever 8 is fixed to the rectangular head 6a. The protruding portion 6b is a connecting portion that can move the movable valve body 9 horizontally and move forward and backward, and is a protruding portion having a semicircular tip. A ball plunger 7 is press-fitted into the side surface 6c on the closing direction side of the operating body 6.
The ball plunger 7 is a press contact type commercially available ball plunger, which is a closed contact portion that moves forward and backward by elasticity that contacts the conical taper portion 3c of the cartridge case 3 serving as a counter portion for preventing full closure. When the steel ball 7 a of the ball plunger 7 comes into contact with the conical tapered portion 3 c of the cartridge case 3, the operating body 6 is rotated in the opening direction by the reaction force of the ball plunger 7. The stroke of the ball plunger 7 is a stroke that can be fully closed until the front end surface of the ball plunger 7 comes into contact with the conical tapered portion 3c of the cartridge case 3.
The single lever 8 is a manual operation unit for the hot and cold water mixing tap, and includes an operation lever portion 8 a and a cover portion 8 b that covers the hot water and mixing tap main body case 1. The cover 8b is provided with a rectangular recess 8c to which the rectangular head 6a of the operating body 6 is fixed.

The movable valve body 9 is a ceramic disk-shaped member that adjusts the mixing ratio of hot water and the discharge amount, and slides while being sandwiched between the sliding ring 10 and the fixed valve body 11. The movable valve body 9 is provided with a connecting recess 9a and a hot water regulating valve port 9b.
The connecting concave portion 9 a is a rectangular concave portion with a semi-cylindrical bottom provided at the center. After the U packing 15 is attached, the protrusion 6 b of the operating body 6 is inserted to become a connecting portion with the operating body 6. The U packing 15 is a cushioning packing when the protrusion 6b of the operating body 6 is rotated up and down and the movable valve body 9 moves forward and backward. The side surface of the connecting recess 9 a where the U packing 15 is not mounted is a surface facing the protrusion 6 b of the operating body 6.
The hot water regulating valve port 9b is an arc-shaped notch provided at the lower part of the side surface 9c on the closing direction side that becomes a forward surface during the closing operation, and when the movable valve body 9 is rotated horizontally and moved forward and backward, The hot water mixing ratio and the discharge amount are adjusted by changing the communication opening area between the water inlet valve port 11a and the hot water inlet valve port 11b of the fixed valve body 11. The hot / cold mixed water flows from the hot / cold water control valve port 9b into the ring-shaped recess 1e of the hot / cold water mixing stopper main body case 1 through the side opening 3f of the cartridge case 3.
The sliding ring 10 is a watertight sliding member between the horizontal rotation holder 4 and the movable valve body 9, and is mounted on the ring-shaped recess 4 e of the horizontal rotation holder 4 together with the O-ring 17 for watertight pressing. .
The fixed valve body 11 is a ceramic disk-like member on which the movable valve body 9 slides, and is provided with an arc-shaped water inflow valve port 11a and a hot water inflow valve port 11b. As shown in FIG. 2-2, the water inflow valve port 11a has an opening portion through which water does not flow out even in the fully opened state, but this opening portion has an uneven pressing force on the movable valve body 9 in the fully closed state. Provided to avoid being added. The same applies to the hot water inlet valve port 11b.
The watertight communication packing 12 is a packing that seals water between the fixed valve body 11 and the hot water / mixing tap main body case 1, and includes a water inlet 12a and a hot water inlet 12b. The water inlet 12a connects the water inflow portion 1a of the hot water mixing tap main body case 1 and the water inlet valve port 11a of the fixed valve body 11, and the hot water inlet 12b is fixed to the hot water inflow portion 1b of the hot water mixing tap main body case 1. The hot water inflow valve port 11b of the valve body 11 is connected.

  The cartridge holder 2, the cartridge case 3, the O-ring 22, the stopper 13, the O-ring 17, the sliding ring 10 and the horizontal rotation holder 4, and the spacer ring 14 are mounted. The rotating shaft 5, the operating body 6 into which the ball plunger 7 is press-fitted, the movable valve body 8 to which the U packing 15 is attached, the fixed valve body 11 and the watertight communication packing 12 are sold separately as assembled maintenance units. I can do it.

The following describes how to use this hot and cold water mixing tap.
(1) Fully closed state before start of use As shown in FIG. 2-1, the horizontal rotation position of the single lever 8 is for the rightmost water discharge that discharges only water when the movable valve body 9 is in the fully open position. This is the horizontal rotation position H1. Moreover, as shown to FIGS. 1-1, an up-down rotation position is a lower end position used as a fully closed position.
In this state, since the steel ball 7a of the ball plunger 7 is recessed into the hemispherical recess 3d of the cartridge case 3, the reaction force of the ball plunger 7 does not act, and even if the hand is released after the fully closed operation. The single lever 8 is not pivoted upward and maintains the fully closed state. At this time, the movable valve body 9 closes the water inflow valve port 11a and the hot water inflow valve port 11b of the fixed valve body 11 as shown in FIG. 2-1.
(2) Water-only discharge operation
From the fully closed state shown in (1), if the single lever 8 is turned upward without the horizontal turning operation, the hot water regulating valve port of the movable valve body 9 as shown in FIG. 9b does not communicate with the hot water inlet valve port 11b of the fixed valve body 11, but communicates with the water inlet valve port 11a and is fully opened. Therefore, the vertical rotation operation at the water discharge horizontal rotation position H1 adjusts the discharge amount of only water, and does not unnecessarily waste hot water. FIG. 2-2 shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the fully opened state at the horizontal rotation position H1 for water discharge.
(3) Water-saving mode operation As shown in FIG. 1-2, the conical taper portion 3c of the cartridge case 3 and the protruding steel ball 7a of the ball plunger 7 come into contact with each other, so that FIGS. Similarly, the discharge amount in the state in which the hot water adjustment valve port 9b of the movable valve body 9 is slightly in communication with the water inflow valve port 11a or the hot water inflow valve port 11b of the fixed valve body 11 is defined as the discharge amount in the water saving mode (lower limit discharge). Amount).
(1) From the fully closed state shown in the item (1), if the single lever 8 is rotated horizontally without moving up and down, the steel ball 7a of the ball plunger 7 is moved as shown in FIG. Since the hemispherical concave portion 3d is detached and comes into contact with the conical tapered portion 3c, the single lever 8 is rotated upward by the reaction force of the ball plunger 7, and the hot water mixed water with the discharge amount in the water saving mode is discharged. If the horizontal rotation position at which the steel ball 7a leaves the hemispherical recess 3d is a mode switching horizontal rotation position H4 shown in FIG. 4A, water saving is achieved on the clockwise side of the mode switching horizontal rotation position H4. Mode operation is possible.
That is, in the horizontal rotation range in which the water-saving mode can be operated, the single lever 8 can be fully closed by rotating downward and holding it at the lower end position, and by releasing the hand and releasing the holding, the reaction force of the ball plunger 7 Returning to the water-saving mode, hot water mixed water with the discharge amount of the water-saving mode is automatically discharged. When a flow rate larger than the discharge amount in the water saving mode is required, the flow rate is adjusted by rotating the single lever 8 upward.
FIG. 4A shows the positional relationship between the movable valve body 9 and the fixed valve body 11 when only water is discharged at the mode switching horizontal rotation position H4.
FIG. 4B shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the water-saving mode at the equal mixing horizontal rotation position H2 with equal mixing ratios of hot water and water.
(4) Adjustment of hot water / water mixing ratio / discharge amount As with a conventional single lever type hot / cold water mixing tap, the horizontal movement of the single lever 8 adjusts the hot water / water mixing ratio, and the discharge amount is adjusted by rotating up / down.
FIG. 3A shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the fully closed state at the horizontal mixing position H2 for uniform mixing with an equal ratio of hot and cold water. This state is a state in which the single lever 8 is rotated downward and is held at the lower end position. When the release is released by releasing the hand, the water-saving mode shown in FIG.
3-2 shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the fully opened state at the horizontal rotation position H2 for uniform mixing. In this state, the vertical pivot position of the single lever 8 is at the upper end, which is the fully open position, and the steel ball 7a of the ball plunger 7 is away from the conical tapered portion 3c of the cartridge case 3, so the ball plunger 7 The reaction force of does not work.
(5) Fully-closed operation after use In order to keep the hot and cold water mixing stopper in the fully-closed state, the horizontal / vertical rotation position of the single lever 8 is returned to the state shown in (1).

In the present embodiment, the same hemispherical concave portion as the hemispherical concave portion 3d is frequently used in the upper portion of the inner side surface of the upper cylindrical portion 3a of the cartridge case 3 (in terms of shape, the range of the closed side facing portion of the conical tapered portion 3c). If it is additionally provided at the position of the hot and cold water mixing ratio, it can be fully closed at this hot water and water mixing ratio, so there is no need to return to the horizontal rotation position H1 for water discharge, and the lever operation is simplified.
Moreover, if the convex part or recessed part for generating the click feeling by the steel ball 7a of the ball plunger 7 is suitably provided in the range of the closed side opposing part of the conical taper part 3c, the standard of the hot and cold water mixing ratio is given. It can also be made easier.

Instead of the ball plunger 7, as a closed side abutting portion that moves forward and backward by elasticity, a plate spring having a hemispherical convex portion formed on the movable side end portion and having a deflection amount greater than or equal to the stroke of the ball plunger 7 is used. 6 may be provided on the side surface 6c on the closing direction side.
Similarly, the closed contact portion that does not move forward and backward due to elasticity may be replaced with a ball roller or a simple hemispherical convex portion. In this case, the water discharge horizontal rotation position H1 provided with the hemispherical concave portion 3d is used. It can be fully closed only with.

  Furthermore, the cartridge case 3 is not provided, and the cartridge holder 2 can hold the horizontal rotation holder 4 in the hot and cold mixing plug main body case 1 so as to be horizontally rotatable. At this time, the hot / cold mixing tap main body is composed of the hot / cold mixing tap main body case 1 and the cartridge holder 2, and the conical tapered portion 3 c, hemispherical recess 3 d and arcuate notch 3 e of the cartridge case 3 are composed of the hot and cold mixing tap. The main body case 1 is provided.

  As shown in FIGS. 5-1, 2-1, 2-1-2, and FIGS. 4-1-2, this embodiment is based on the basic configuration of Example 1 and is used to prevent full closure. Instead of the conical taper portion 3c of the cartridge case 3 serving as a portion, a cap 19 having a conical taper portion 19a serving as a horizontally-rotating blocking-opposing opposing portion is provided. An adjustment bolt 18 that adjusts the protruding length of the steel ball 7a of the ball plunger 7 serving as a contact portion is added to the cover portion 8a of the single lever 8, so that the horizontal rotation position that can be fully closed can be changed and fully closed. It is characterized in that it is partly changed to a configuration that can adjust the discharge amount (lower limit discharge amount) of the water-saving mode in the horizontal rotation range (water-saving mode range) that is not, and the other configuration is the same as the first embodiment .

The changes from Example 1 are described below.
The cartridge case 3 is not provided with the conical tapered portion 3c and the hemispherical concave portion 3d.
The actuating body 6 is not equipped with a ball plunger 7.
The ball plunger 7 is press-fitted into the tip of the adjustment bolt 18 and serves as a closed-side abutting portion that moves forward and backward by elasticity with adjustable protrusion length.
The adjusting bolt 18 is a bolt that adjusts the lower limit discharge amount by moving the ball plunger 7 back and forth and changing the protruding length of the steel ball 7a that becomes the contact portion of the closed contact portion. The adjusting bolt 18 passes through the cover portion 8 a of the single lever 8 and is attached to a screwing attachment portion 8 d provided on the closing direction side in parallel with the operating body 6. In the present embodiment, the side surface on the closing direction side of the single lever 8 is the lower side surface 8e that is advanced when the cover portion 8a is closed.
The cap 19 is a cylindrical hole cap provided with a conical taper portion 19a and a hemispherical recess portion 19b on the upper surface, and is attached to the upper end portion of the hot and cold water mixing plug body case 1 so as to be horizontally rotatable, and has a desired shape. It is fixed by the fixing screw 20 at the horizontal rotation position.
The conical taper portion 19a is a taper portion that replaces the conical taper portion 3c of the cartridge case 3, and a range in which the lower side surface 8e of the single lever 8 faces the close side is a close side facing portion. The range where the steel ball 7a of the ball plunger 7 in the projecting state abuts among the closed-side facing portions is the fully-closing blocking facing portion. However, when the steel ball 7a is pushed in and the case front surface of the ball plunger 7 comes into contact, it can be temporarily fully closed.
The hemispherical recess 19b is a fully-closable facing portion into which the steel ball 7a of the ball plunger 7 is recessed, and is provided at the position of the horizontal rotation position H1 for water discharge of the conical tapered portion 19b. Accordingly, at the water discharging horizontal rotation position H1, the single lever 8 is not rotated in the opening direction by the reaction force of the ball plunger 7, and the fully closed position is maintained.
The horizontal rotation holder 4 does not require the notch portion 4c that avoids interference with the mounting portion of the ball plunger 7 provided in the operating body 6.
Other configurations are the same as those of the first embodiment.

The following describes how to use this hot and cold water mixing tap.
(1) Fully closed state before start of use The cap 19 is fixed in advance to the main case 1 of the hot and cold water mixing tap with the hemispherical recess 19b set to the horizontal turning position H1 for water discharge. 7, the protruding length is adjusted by the adjusting bolt 18 so that the discharge amount (lower limit discharge amount) of the predetermined water-saving mode is obtained when the steel ball 7 a comes into contact with the conical tapered portion 19 a of the cap 19.
The horizontal rotation position of the single lever 8 is a horizontal rotation position H1 for water discharge as shown in FIG. 2-1, and the vertical rotation position is a lower end position that is a fully closed position as shown in FIG. 5-1. is there. FIG. 5-1 is a vertical cross-sectional view at the horizontal rotation position H1 for water discharge. In this figure, the steel ball 7 a of the ball plunger 7 is not in contact with either the conical tapered portion 19 a or the hemispherical concave portion 19 b, but the side surface 9 c on the closing direction side of the movable valve body 9 is inside the cartridge case 3. It is in contact with the side.
(2) Water-only discharge operation As in the first embodiment, if the single lever 8 is not horizontally rotated from the fully closed state shown in (1), but is turned up and down, the amount of water only discharged It becomes adjustment and does not waste water unconsciously.
(3) Water-saving mode operation In the same manner as in the first embodiment, the single lever 8 is not turned up and down from the fully closed state shown in the item (1), but more than the mode switching horizontal turning position H4 shown in FIG. If the horizontal rotation operation is performed in the clockwise direction, as shown in FIG. 5B, the steel ball 7a of the ball plunger 7 is detached from the hemispherical concave portion 19b of the cap 19 and comes into contact with the conical tapered portion 19a. The single lever 8 is rotated upward by the reaction force of the ball plunger 7, and the hot water / water mixed water of the discharge amount in the water saving mode is discharged.
As in the first embodiment, in any horizontal saving range of the water saving mode, the single lever 8 can be fully closed if it is rotated downward and held at the lower end position. The water is returned to the water saving mode by the reaction force of the plunger 7, and the hot water / water mixed water of the discharge amount in the water saving mode is automatically discharged. Similarly to the first embodiment, when the flow rate is larger than the discharge amount in the water-saving mode, the single lever 8 is rotated upward and adjusted.
(4) Adjustment of hot / cold water mixing ratio and discharge amount As in the first embodiment, the single lever 8 is rotated horizontally to adjust the hot water / water mixing ratio, and the vertical rotation is adjusted to discharge amount.
(5) Adjusting the discharge amount (lower limit discharge amount) in the water-saving mode If the vertical position of the steel ball 7a of the ball plunger 7 is adjusted by moving the adjustment bolt 18 up and down by screwing, the ball plunger 7 The vertical rotation position of the single lever 8 due to the reaction force changes, the position of the movable valve body 9 changes via the operating body 6, and the discharge amount (lower limit discharge amount) in the water-saving mode is adjusted.
(6) Change of the fully closed position After the cap 19 is rotated horizontally and the position of the hemispherical recess 19b is set to the horizontal rotation position of the desired hot water mixing ratio, the cap 19 is fixed with the fixing screw 20 to the hot water mixing tap main body. If it is fixed at 1, it can be fully closed at a desired mixing ratio, and the operation of the single lever 8 is simplified.
(7) Fully-closed operation after use In the same manner as in Example 1, in order to hold the hot and cold water mixing tap in the fully-closed state, the horizontal / vertical rotation position of the single lever 8 is returned to the state shown in (1).
If the fully closed position has been changed, adjust the horizontal rotation position to the fully closed position.

In the present embodiment, the discharge amount (lower limit discharge amount) in the water-saving mode can also be adjusted by moving the cap 19 up and down.
If a plurality of fan-shaped divided bodies obtained by dividing the cap 19 in the radial direction instead of the cap 19 are mounted on the hot and cold mixing tap main body case 1 so as to be horizontally rotatable, not only the position of the fully-closed position can be changed, but also Changing the closeable range is easy. The fan-shaped divided body is inserted into a ring-shaped recess 1 f provided on the outer surface of the hot and cold water mixing plug main body case 1 and is fixed by a fixing screw 20 as indicated by a two-dot chain line in FIG.

  In this embodiment, as shown in FIGS. 6, 2-1 to 2, FIGS. 3-1 to 2, and FIGS. 4-1 to 2, the adjustment bolt 21 for adjusting the upper limit discharge amount is based on the second embodiment. And the ball plunger 22 of the opening side abutting portion are added to make it possible to adjust the upper limit discharge amount, and the other configuration is the same as that of the second embodiment.

The ball plunger 22 is press-fitted into the tip of the adjustment bolt 21, and the steel ball 22 a becomes an open-side contact portion that moves forward and backward by elasticity with adjustable protrusion length.
The adjusting bolt 21 is a bolt that adjusts the upper limit discharge amount by moving the ball plunger 22 back and forth to adjust the protruding length of the open-side contact portion. The adjusting bolt 21 passes through the cover portion 8 a of the single lever 8 and is attached to a screwing attachment portion 8 f provided on the opening direction side in parallel with the operating body 6. In this embodiment, the side surface on the closing direction side of the single lever 8 is a lower surface measuring surface 8e that is advanced when the cover portion 8a is closed, and the side surface on the opening direction side of the single lever 8 is the opening operation of the cover portion 8a. It becomes the lower surface measurement 8g on the side that moves forward at times.
Further, the conical taper portion 19a of the cap 19 in this embodiment has a hemispherical shape in which a range facing the ball plunger 22 is an open-side facing portion, and a steel ball 22a of the ball plunger 22 is recessed into the opening-side facing portion. Since the concave portion is not provided, the entire range of the open-side facing portion becomes the fully-opening blocking facing portion where the steel ball 22a of the ball plunger 22 abuts. However, when the steel ball 22a is pushed in and the case front surface of the ball plunger 22 comes into contact, it can be fully opened temporarily.
Other configurations are the same as those of the second embodiment.

The following describes how to use this hot and cold water mixing tap.
(1) Fully closed state before start of use The cap 19 is fixed in advance to the main case 1 of the hot and cold water mixing tap with the hemispherical recess 19b set to the horizontal turning position H1 for water discharge. 7, the protruding length is adjusted by the adjusting bolt 18 so that the discharge amount (lower limit discharge amount) of the predetermined water-saving mode is obtained when the steel ball 7 a comes into contact with the conical tapered portion 19 a of the cap 19.
Further, the ball plunger 22 is adjusted by the adjusting bolt 21 so that a desired upper limit discharge amount is obtained when the steel ball 22 a comes into contact with the conical tapered portion 19 a of the cap 19.
The horizontal rotation position of the single lever 8 is a water discharge horizontal rotation position H1 as shown in FIG. 2-1, and the vertical rotation position is a lower end position that is a fully closed position as shown in FIG.
FIG. 6 is a vertical sectional view at the horizontal rotation position H1 for water discharge.
(2) Discharge operation with only water The same as in the second embodiment.
(3) Water-saving mode operation The same as in the second embodiment.
(4) Adjustment of hot water / water mixing ratio and discharge amount The same as the second embodiment, except that it is necessary to hold the single lever 8 by hand in order to discharge a flow larger than the upper limit discharge amount.
(5) Adjustment of discharge amount (lower limit discharge amount) in water-saving mode The same as in the second embodiment.
(6) Adjustment of upper limit discharge amount If the vertical position of the steel ball 22a of the ball plunger 22 is changed by moving the adjustment bolt 21 up and down by screwing, the vertical turning position of the single lever 8 by the reaction force of the ball plunger 22 Changes, the position of the movable valve body 9 changes via the operating body 6, and the upper limit discharge amount is adjusted.
Although it can be adjusted by the vertical movement of the cap 19, the lower limit discharge amount also changes at the same time.
(7) Change of fully closed position It is the same as that of Example 2.
(8) Fully-closed operation after use In the same manner as in Example 1, in order to hold the hot and cold mixing tap in the fully-closed state, the horizontal / vertical rotation position of the single lever 8 is returned to the state shown in (1).

  In this embodiment, as shown in FIGS. 7 and 8-1, the first embodiment is based on the basic configuration, and the side surface 9 c on the closing direction side of the movable valve body 9 is closed on the closed side instead of the ball plunger 7. In place of the conical tapered portion 3c of the cartridge case 3, a cylindrical adapter 24 provided with an arcuate thick portion 24a serving as a full-close prevention counter portion is provided at the lower part of the inner side surface of the cartridge case 3. The other features are the same as those of the first embodiment.

The changes from Example 1 are described below.
The actuating body 6 is not provided with the ball plunger 7.
In the cartridge case 3, the upper cylindrical portion 3a is not provided with the conical tapered portion 3c and the hemispherical concave portion 3d, and the ring-shaped step portion 3g in which the cylindrical adapter 24 is attached to the lower inner surface of the lower cylindrical portion 3b. Is provided.
The cylindrical adapter 24 is a cut product of a cylindrical extruded material, and includes an arcuate thick part 24a and an arcuate thin part 24b, and a side opening 24c is provided on a side surface. For mounting to the cartridge case 3, the horizontal rotation holder 4 to which the operating body 6 and the like are mounted is inserted into the cartridge case 3 from below, and then inserted into the ring-shaped stepped portion 3 g and coupled by the coupling pin 25.
The arcuate thick part 24a is a counter part for preventing the full closure with respect to the side surface 9c on the closing direction side of the movable valve body 9, and the movable valve body 9 at the horizontal rotation position H1 for water discharge is horizontally rotated clockwise. Sometimes, the movable valve body 9 is retracted to the position of the discharge amount in the water-saving mode, and when the side surface 9c on the closing direction side of the movable valve body 9 is in contact, the discharge amount in the water-saving mode is set. The arc-shaped thick portion 24a is provided in a range from the mode switching horizontal rotation position H5 to the hot water discharge horizontal rotation position H3.
The arcuate thin portion 24b is a fully-closable facing portion where the side surface 9c on the closing direction side of the movable valve element 9 abuts is a fully closed state, and the range where the side surface on the opening direction side abuts is a fully open state. It becomes an open side opposing part.
The side opening 24c communicates with the side opening 3f of the cartridge case 3 and is an opening through which hot / cold water flows out.
The mode switching horizontal rotation position H5 includes an intersection line between the side surface of the movable valve body 9 that is in contact with the arcuate thin portion 24b and the inner arcuate curved surface of the arcuate thick portion 24a at the water discharge horizontal rotation position H1. It is a horizontal rotation position.
The horizontal rotation holder 4 does not require the notch portion 4c for avoiding interference with the mounting portion of the ball plunger 7 of the operating body 6.
The fixed valve body 11 and the watertight communication packing 12 are the same as those of the first embodiment except for the change in the related dimensions due to the new mounting of the cylindrical adapter 24.
Other components are the same as those in the first embodiment.

The following describes how to use this hot and cold water mixing tap.
(1) Fully closed state before start of use The horizontal rotation position and the vertical rotation position of the single lever 8 are the same as those in the first embodiment, but as shown in FIG. The position is limited to the horizontal rotation position H1 for water discharge.
(2) Discharge start operation with only water The same as in the first embodiment.
(3) Water-saving mode operation
From the fully closed state shown in (1), if the horizontal rotation operation is performed clockwise while the single lever 8 is held lightly without being moved up and down, the side surface 9c on the closing direction side of the movable valve element 9 is The movable valve body 9 is retracted by coming into contact with the corner of the mode switching horizontal rotation position H5 of the arc-shaped thick portion 24a, and the discharge amount in the water-saving mode (lower limit discharge) on the clockwise side of the mode switching horizontal rotation position H5. Amount) of hot and cold water mixture is discharged.
However, unlike the ball plungers 7 of the first and second embodiments, the side surface 9c on the closing direction side of the movable valve body 9 is a fixed contact portion, and therefore, on the clockwise direction side of the mode switching horizontal rotation position H5, Neither closing nor water-saving mode can be adjusted.
In the present embodiment, the movable valve body 9 moves backward from the closed position to the lower limit discharge amount position through the minute discharge position while being horizontally rotated from the water discharge horizontal rotation position H1 to the mode switching horizontal rotation position H5. To do. Similarly, the single lever 8 is rotated upward via the operating body 6.
FIG. 7 is a vertical partial cross-sectional view of the water-saving mode state at the uniform mixing horizontal rotation position H2, and FIG. 8-1 is a diagram of the fixed valve body 11 and the movable valve body 9 in the fully closed state at the horizontal rotation position H1 for water discharge. FIG. 8-2 shows the positional relationship between the fixed valve body 11 and the movable valve body 9 in the water-saving mode at the uniform mixing horizontal rotation position H2.
(4) Adjustment of hot / cold water mixing ratio and discharge amount As in the first embodiment, the horizontal rotation position that can be fully closed is limited to the horizontal rotation position H1 for water discharge.
(5) Fully-closed operation after use In the same manner as in Example 1, in order to hold the hot and cold water mixing tap in the fully-closed state, the horizontal / vertical rotation position of the single lever 8 is returned to the state shown in (1).

  In this embodiment, as shown in FIGS. 9 and 10-1, the roller 28 provided at the movable end of the ring-shaped spring wire 26 is replaced with the ball plunger 7 in the basic configuration of the first embodiment. It is characterized in that it becomes a closed-side contact portion that moves forward and backward by elasticity, and the inner surface of the lower cylindrical portion 3b of the cartridge case 3 becomes a full-close prevention opposing portion. .

The changes from Example 1 are described below.
The actuating body 6 is not provided with the ball plunger 7.
The cartridge case 3 is not provided with the conical tapered portion 3c and the hemispherical concave portion 3d in the upper cylindrical portion 3a. The inner side surface of the lower cylindrical portion 3b is a closed side facing portion of the closed side facing portion where the closed side surface of the movable valve element 9 is opposed, and is a fully closed blocking facing portion. The opening 3h into which the roller 28 provided at the position H1 is recessed becomes a fully closeable facing portion.
Further, as shown in FIG. 9, of the two side opening portions 3f, the side opening portion 3f on the closing direction side is provided with a height at which the roller 28 does not slip into the side opening portion on the opening direction side. The height of the portion 3f is provided such that the outer peripheral portion of the movable valve body 9 is not depressed.
The movable valve body 9 is newly provided with a step portion 9d to which the ring-shaped spring wire 26 is mounted on the outer peripheral portion.
The ring-shaped spring wire 26 is a spring formed of an elastic stainless steel wire, and includes a ring-shaped portion 26a, an arm portion 26b, and a tip portion 26c. The ring-shaped portion 26a is a ring-shaped portion whose both ends are bent inward, is attached to the step portion 9d of the movable valve body 9, and is held by its own elastic force. The arm portion 26b is a displacement portion that bends when the roller 28 is pressed. The tip end portion 26c is a portion bent upward at the end of the arm portion 26b, and the rotating shaft 27 of the roller 28 is press-fitted.
The rotation shaft 27 is a rotation shaft provided with a flange that supports the lower end surface of the roller 28.
The roller 28 is a roller having the rotation shaft 27 as a rotation shaft, and serves as a closed-side contact portion that moves forward and backward by elasticity with the inner surface of the lower cylindrical portion 3b of the cartridge case 3 as a full-close prevention counter portion.
The other components are the same as those in the first embodiment.

The following describes how to use this hot and cold water mixing tap.
(1) Fully closed state before start of use As shown in FIG. 10-1, the horizontal turning position of the single lever 8 is the horizontal turning position H1 for water discharge, and the up and down turning position is fully closed as in the first embodiment. This is the lower end position. In this state, since the roller 28 is indented into the opening 3h of the cartridge case 3, the reaction force of the ring-shaped spring wire 26 does not act, and the movable valve element 9 does not fully move even if the hand is released after the fully closed operation. The closed position is maintained, and the single lever 8 is not rotated upward.
(2) Discharge start operation with only water The same as in the first embodiment.
(3) Water-saving mode operation
From the fully closed state shown in (1), as shown in FIGS. 10A and 10B, the single lever 8 is not rotated up and down, but is rotated horizontally from the mode switching horizontal rotation position H4 in the clockwise direction. Then, the roller 28 leaves the opening 3h and comes into contact with the inner surface of the lower cylindrical portion 3b, so that the movable valve body 9 moves backward by the reaction force of the ring-shaped spring wire 26 and the single lever 8 rotates upward. Then, the water-mixed water of the discharge amount (lower limit discharge amount) in the water-saving mode is discharged.
FIG. 9 is a vertical partial cross-sectional view of the water-saving mode state at the uniform mixing horizontal rotation position H2.
FIG. 10A shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the fully closed state at the horizontal rotation position H1 for water discharge.
FIG. 10-2 shows the positional relationship between the movable valve body 9 and the fixed valve body 11 in the water-saving mode at the uniform mixing horizontal rotation position H2.
In any horizontal saving position of the water-saving mode, the single lever 8 can be fully closed if it is rotated downward and held at the lower end position. Returning to the water-saving mode, hot water mixed water with the discharge amount of the water-saving mode is automatically discharged. When a flow rate larger than the discharge amount in the water-saving mode is required, the flow rate is adjusted by rotating the single lever 8 upward as in the first embodiment.
(4) Adjustment of hot / cold water mixing ratio / discharge amount Similar to the conventional single lever type hot / cold water mixing tap, horizontal rotation of the single lever 8 makes the hot water / water mixing ratio (5) fully closed operation after use. In order to hold the mixing plug in the fully closed state, the horizontal / vertical rotation position of the single lever 8 is returned to the state shown in the item (1).

  Horizontal rotation angle range / vertical rotation angle range / water-saving mode rotation angle range of the single lever in Examples 1 to 5, shape of the hot water adjustment valve port of the movable valve body, water inlet valve port and hot water inlet of the fixed valve body The shape and the like of the valve port are examples, and the present invention is not limited to these. Similarly, horizontal rotation positions from which only water is discharged may be provided at a plurality of positions such as the center and both ends of the horizontal rotation position. The same applies to the positional relationship and shape of other members.

DESCRIPTION OF SYMBOLS 1 Hot water mixing tap main body case 1a Water inflow part 1b Hot water inflow part 1c Discharge nozzle 1d Screw part 1e Ring-shaped recessed part 1f Ring-shaped recessed part 2 Cartridge holder 2a Screw part 2b Ring-shaped recessed part 3 Cartridge case 3a Upper cylindrical part 3b Lower cylindrical form Part 3c conical taper part 3d hemispherical concave part 3e arc-shaped notch part 3f side opening part 3g ring-shaped step part 3h opening part (for roller intrusion)
4 Horizontal rotation holder 4a Cylindrical part 4b Flange part 4c Notch part 4d Ring-shaped recess (for O-ring 22)
4e Ring-shaped recess (for O-ring 17 and sliding ring 10)
5 Rotating shaft 6 Actuator 6a Square head 6b Protrusion 6c Close side 7 Ball plunger 7a Steel ball 8 Single lever 8a Operation lever 8b Cover 8c Rectangular recess 8d Screw mounting 8e Lower side (Closed Direction side)
8f Screwing part 8g Lower side (opening direction side)
DESCRIPTION OF SYMBOLS 9 Movable valve body 9a Connection recessed part 9b Hot water adjustment valve port 9c Close side surface 9d Step part 10 Sliding ring 11 Fixed valve body 11a Water inflow valve port 11b Hot water inflow valve port 12 Watertight communication packing 12a Water inflow port 12b Hot water inflow port 13 Stopper 14 Spacer ring 15 U packing 16 Watertight packing 17 O ring 18 Adjustment bolt
19 Cap 19a Conical taper portion 19b Hemispherical recess 20 Fixing screw 21 Adjust bolt (for setting the upper limit discharge amount)
22 Ball plunger (for setting upper discharge rate)
22a Steel ball 23 O-ring 24 Tubular adapter 24a Arc-like thick part 24b Arc-like thin part 24c Side opening 25 Binding pin 26 Ring-shaped spring wire 27 Rotating shaft 28 Roller


H1 Horizontal rotation position for water discharge (water discharge position)
H2 Horizontal rotation position for uniform mixing
H3 Horizontal turning position for hot water
H4 Mode switching horizontal rotation position (Examples 1, 2, 3, 5)
H5 Mode switching horizontal rotation position (Example 4)

Claims (8)

The movable valve body, which is arranged and slid on the upper surface of the fixed valve body provided in the main body of the hot and cold water mixing tap, is horizontally rotated and moved forward and backward by the horizontal and vertical rotation of the single lever. A hot and cold water mixing tap to adjust
A hot and cold water mixing plug body provided with a water inflow portion, a hot water inflow portion, and a discharge portion;
A water inflow valve port communicating with the water inflow portion of the hot water mixing tap main body and a hot water inflow valve port communicating with the hot water inflow portion, a fixed valve body provided inside the hot water mixing tap main body,
It is arranged in a slidable manner on the upper surface of the fixed valve body, and when it is rotated horizontally, the opening area ratio of the water inlet valve port and the hot water inlet valve port is changed to adjust the hot water / water mixture ratio, so that it moves forward and backward. A movable valve body that adjusts the discharge amount by changing the opening area of the water inlet valve port and the hot water inlet valve port when
A horizontal rotation holder that is provided inside the hot and cold water mixing plug main body so as to be horizontally rotatable, and sandwiches the movable valve body with the fixed valve body;
A rotation shaft provided horizontally inside the horizontal rotation holder;
An actuating body provided on the rotating shaft and provided with a protrusion at the lower part for moving the movable valve body back and forth when rotated up and down and horizontally rotating the movable valve body when horizontally rotated. When,
A single lever provided at the upper part of the operating body, sliding the movable valve body through the operating body, adjusting the hot water / water mixing ratio by horizontal rotation, and adjusting the discharge amount by vertical rotation;
Including:
One of the side surface on the closing direction side of the single lever, the side surface on the closing direction side of the operating body that rotates up and down by the single lever, or the side surface on the closing direction side of the movable valve body that moves forward and backward by the operating body. A closed-side abutting portion that abuts against a closed-side facing portion of the hot and cold water mixing plug main body facing the side surface;
The movable valve body slides to a fully closed position where the water inlet valve port and the hot water inlet valve port of the fixed valve body are closed by the closing side abutting portion coming into contact with the closing side facing portion of the hot water mixing plug body. A fully-closed opposing part that prevents the movable valve element from being moved, and a fully-closable opposing part that is recessed from the fully-closed opposing part that can be slid to the fully closed position. A hot and cold water mixing tap. 2. The hot and cold water mixing tap according to claim 1, wherein the fully-closable facing portion is provided only at a position where only the water of the closing side facing portion of the hot and cold mixing plug body can be discharged. The hot / cold water mixing plug according to claim 1, wherein the counter part for full closure is provided at a position where only hot water of the closed side facing part of the hot / cold water mixing plug body can be discharged. 4. The hot and cold water mixing plug according to claim 1, wherein the fully closed blocking opposing portion is provided on the hot water and water mixing plug main body so as to be vertically movable or horizontally rotatable. The hot and cold water mixing plug according to claim 1, 2, 3, or 4, wherein the contact portion of the closing side contact portion moves forward and backward by elasticity. 2. The protruding length of a closing side abutting portion provided on either one of the side surface on the closing direction side of the single lever or the side surface on the closing direction side of the operating body is adjustable. The hot and cold water mixing plug according to 2, 3, 4, or 5. An opening side of the single lever, an opening side of the actuating body, or an opening side of the movable valve body, the side surface of the hot water / mixing plug main body facing the side surface. An open-side contact portion that contacts the open-side facing portion is provided, and a contact portion of the open-side contact portion moves forward and backward by elasticity, or 1, 2, 3, 4, 5, or 6. The hot and cold water mixing tap according to 6. 2. The protruding length of an open-side abutting portion provided on either one of the side surface on the open direction side of the single lever or the side surface on the open direction side of the operating body is adjustable. The hot / cold mixing tap according to 2, 3, 4, 5, 6, or 7.

Images