JPH11152772A - Single lever faucet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a single lever faucet capable of selecting a normal mode or a water-saving mode by pushing and drawing and operating a lever handle in the longitudinal direction. SOLUTION: Displacement is adjusted, by vertically rocking and operating a lever handle 4 joined with an actuating shaft 5 operating a valve 7. A normal mode state or a water-saving, mode state can be selected by connecting the lever handle 4 to the actuating shaft 5 longitudinally movably while the lever handle 4 is abutted against a faucet body 2 at the place of water saving during opening operation and stopped when the water-saving mode state is selected, and the lever handle 4 can be rocked up to a totally opened place when the normal mode state is selected at that time. The decorative arm section 3 of the faucet body 2 is covered with the skirt section 4a of the lever handle 4, and the skirt section 4a is abutted against the decorative arm section 3 at the place of water saving. A click mechanism 11 consisting of two recessed sections 11a, 11b and one projecting section 11c is mounted between the actuating shaft 5 and the lever handle 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single-lever faucet, in which a lever handle can be selected between a normal mode state and a water-saving mode state.

[0002]

2. Description of the Related Art Conventionally, in a single lever faucet,
A single lever handle is provided. The water temperature can be adjusted by rotating the lever handle in the horizontal direction within the plane, and the amount of water discharged can be adjusted by swinging the lever handle up and down. It is configured to be able to. In such a single-lever faucet, it is difficult to stop at a water saving position before reaching the fully open position when the opening operation is performed in the vertical direction, so that the maximum flow rate is often discharged. Therefore, with a simple operation,
There has been a demand for a single-lever faucet that can be switched between a normal mode in which the fully opened maximum flow rate can be discharged and a water-saving mode in which the discharged water amount is reduced.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a single lever faucet in which a normal mode or a water saving mode can be selected by pushing and pulling a lever handle in a forward and backward direction in order to meet the above demand. .

[0004]

According to a first aspect of the present invention, there is provided a single unit in which the amount of water discharged is adjusted by vertically swinging a lever handle connected to an operating shaft for operating a valve. In the lever faucet, the lever handle is joined to the operating shaft so as to be movable back and forth so that the normal mode state or the water saving mode state can be selected, and when the water saving mode state is selected, the opening operation is in progress. A single lever faucet characterized by being stopped by contacting the faucet body at a water saving position and swinging to a fully open position when a normal mode state is selected. In the present invention, the normal mode or the water-saving mode can be selected by pushing and pulling the lever handle in the front-rear direction, and when the water-saving mode state is selected, the lever handle can be stopped at the water-saving position during the opening operation. When the normal mode state is selected, the lever handle can be swung to the fully open position.

[0005] The means adopted by the present invention according to claim 2 is as follows:
The single lever according to claim 1, wherein the makeup bowl portion of the faucet body is covered with a skirt portion of a lever handle, and the skirt portion of the lever handle is brought into contact with the makeup bowl portion of the faucet body at the water saving position. It is a faucet. According to the present invention, the lever handle is stopped in the water-saving mode by bringing the skirt portion of the lever handle into contact with the makeup bowl portion of the faucet main body, so that a simple structure in which the makeup bowl portion and the skirt portion are diverted. Becomes

The means adopted by the present invention according to claim 3 is as follows:
A click mechanism including two concave portions and one convex portion is provided between the operating shaft and the lever handle, and the normal mode state or the water saving mode state is established by engaging the convex portion and the concave portion. A single lever faucet according to claim 1 or 2. According to the present invention, when the lever handle is pushed and pulled in the front-rear direction, the lever handle can be reliably stopped in the normal mode or the water-saving mode by the engagement between the convex portion and the concave portion of the click mechanism.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A single lever faucet according to the present invention will be described below with reference to an embodiment shown in FIGS. FIG. 1 is a partial cross-sectional view showing a fully open state of the lever handle in a normal mode state, and a partial cross-sectional view showing a water-stop state by a two-dot chain line. FIG. FIG. 3 is a partial sectional view showing a water discharging state of the lever handle in a water saving mode state, and FIG. 4 is an enlarged view taken along line AA of FIG.

The single-lever faucet 1 is provided with a hollow bowl 3 at the upper end of the faucet main body 2.
The lever handle 4 is provided on the upper part of the lever. The lever handle 4 is joined to the operating shaft 5 for operating the valve 7 so as to be movable back and forth, so that the makeup bowl 3 is covered with a skirt 4a. The valve 7 includes a movable disk 7a connected to the operating shaft 5 via a rotating body 6, and a fixed disk 7b fixed below the movable disk 7a, and is of a type that can mix hot and cold water. The lever handle 1 swings up and down to move the movable disk 7a back and forth, and
The amount of water discharged from a can be adjusted, and the water temperature can be adjusted by rotating the movable disk 7a by rotating in the horizontal direction within the plane. The lower half of the operating shaft 5, the rotating body 6 and the valve 7 are housed in a cylindrical head part case 8 and mounted in the faucet main body 2.

The lever handle 4 is joined to the operating shaft 5 by fitting a concave portion 9a of a connecting portion 9 of the lever handle 4 to the head 5a of the operating shaft 5 so as to be movable back and forth, and an elongated hole 9b of the connecting portion 9. A normal mode state (a state shown in FIG. 1) in which the retaining screw 10 inserted into the head 5a of the operating shaft 5 is pushed into the head 5a of the operating shaft 5 and the lever handle 4 is pushed to the back side, or water is saved by pulling the lever handle 4 forward. Mode state (FIGS. 2 and 3
(The state shown in the figure) can be selected. The relationship between the makeup bowl 3 and the skirt 4a is such that when the lever handle 4 is in the water saving mode, the back edge 4a-1 of the skirt 4a contacts the makeup bowl 3 during the opening operation. When the lever handle 4 is stopped at the water saving position shown in FIG. 3 and the lever handle 4 is in the normal mode state, the skirt 4 is attached to the makeup bowl 3 which is a part of the faucet main body 2.
The lever handle 4 can be swung to the fully open position (maximum water discharge position) shown in FIG. 1 without abutting the a.

[0010] A click mechanism 11 is provided between the operating shaft 5 and the connecting portion 9 of the lever handle 4. The click mechanism 11 includes two recesses 11 a, 1 provided in the operation shaft 5.
1b and one convex portion 11c provided on the connecting portion 9;
By engaging the convex portion 11c with the concave portion 11a or 11b, the lever handle 4 maintains the normal mode state or the water saving mode state. Although the click mechanism 11 is not shown, it is also possible to provide the operating shaft 5 with a convex portion 11c and the connecting portion 9 with concave portions 11a and 11b.

When the water-saving mode is selected by pulling the lever handle 4 to the front side, the single lever faucet 1 reduces the water discharge from the water stop position (the position shown in FIG. 2) (FIG. 3). The lever handle 4 can be swung up and down to the position shown in the figure. When the normal mode state is selected by pushing the lever handle 4 to the back side, from the water stop position (the position indicated by the two-dot chain line shown in FIG. 1) to the fully open position. (Maximum water discharge position) (Lever handle 4)
Can be swung up and down.

The single lever faucet 1 of this embodiment is of a type in which the amount of water discharged is increased by raising the lever handle 4 upward. If the present invention is applied to a single-lever faucet in which the amount of water discharged is increased by turning the lever handle 4 downward, although not shown, the lever handle 4 is pushed backward, When the lever handle 4 is in the water-saving mode, the front edge of the skirt portion 4a is brought into contact with the makeup bowl 3 during the opening operation. When the lever handle 4 is stopped at the water saving position and the lever handle 4 is in the normal mode state, the lever handle 4 is fully opened without bringing the skirt portion 4a into contact with the makeup bowl 3 which is a part of the faucet main body 2. To be able to fall down.

[0013]

The single lever faucet of the present invention according to the present invention is easy to switch between the normal mode and the water saving mode by a simple operation of pushing and pulling the lever handle in the front-rear direction. In the single lever faucet according to the second aspect of the present invention, since the lever handle can be stopped in the water saving mode state with a simple structure in which the makeup bowl and the skirt are diverted, the manufacturing cost can be reduced. According to the third aspect of the present invention, the lever handle can be reliably stopped in the normal mode or the water saving mode by the click mechanism.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view showing an embodiment of a single lever faucet according to the present invention, in which a fully opened state of a lever handle in a normal mode state is indicated by a solid line, and a water stopped state is indicated by a two-dot chain line. is there.

FIG. 2 is a partial cross-sectional view showing a water stop state of the lever handle in a water saving mode state in the embodiment.

FIG. 3 is a partial cross-sectional view showing a water discharging state of the lever handle in a water saving mode state in the embodiment.

FIG. 4 is an enlarged view taken along a line AA in FIG. 1;

[Explanation of symbols]

2: faucet body, 3: makeup bowl, 4: lever handle,
4a: skirt portion, 5: operating shaft, 7: valve, 11: click mechanism, 11a, 11b: concave portion, 11c: convex portion

Claims (3)

[Claims] 1. A single lever faucet in which a water discharge amount is adjusted by vertically swinging a lever handle connected to an operating shaft for operating a valve, the lever handle includes:
A normal mode state or a water-saving mode state can be selected by joining forward and backward with respect to the operating shaft, and when the water-saving mode state is selected, the faucet body contacts the faucet body at the water-saving position during the opening operation. A single-lever faucet characterized by being able to swing down to a fully open position when the normal mode state is selected. 2. A faucet bowl portion of the faucet body is covered with a skirt portion of a lever handle, and a skirt portion of a lever handle is brought into contact with the vane bowl portion of the faucet body at the water saving position. The single lever faucet according to 1. 3. A click mechanism comprising two concave portions and one convex portion is provided between the operating shaft and the lever handle,
3. A normal mode state or a water saving mode state by engaging a convex portion and a concave portion.
Single lever faucet as described.