JP3203866B2 - Cartridge type valve - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge type valve used as a hot and cold water mixing faucet, and more particularly to a cartridge type valve capable of obtaining two water passage directions.

[0002]

2. Description of the Related Art Conventionally, a single lever type water mixing faucet in which a single lever is rotated in a horizontal plane and a vertical plane to adjust a mixing ratio of hot water and to open and close the faucet is known. A cartridge type valve in which a ceramic valve seat and a rotor are incorporated in a housing case is used.

[0003] This cartridge type valve is roughly classified into an open type and a closed type. The open type cartridge type valve has a structure as shown in FIGS. That is, in FIG.
Reference numeral 1 denotes a housing case.
A valve seat case 52 is fixedly provided at the bottom of the first case 1. On the side surface of the housing case 51 near the upper surface of the valve seat case 52,
An ejection port 51a is provided.

A ceramic valve seat 53 is mounted and fixed in a housing case 51 on the upper surface of a valve seat case 52, and a ceramic rotor 54 is slidably abutted on the valve seat 53. The rotor 54 is pressed against the valve seat 53 by the rotor retainer 55 and receives an action of sliding on the sliding surface of the valve seat 53.

[0005] Above the rotor retainer 55, a rotor retainer 55 is provided.
The lower end of the cartridge lever 56 for moving the cartridge horizontally is engaged. The cartridge lever 56 has a spherical portion 5
6a, and the spherical portion 56a
1 and is rotatably held by a cartridge lid 58 attached to the upper end of the housing case 51.

The valve seat 53 and the rotor 54 of the open type cartridge type valve 50 having such a structure.
Has a planar shape shown in FIGS. 8 and 9. Valve seat 53
Are provided with a pair of left and right openings 53a, 53b, and the respective openings 53a, 53b communicate with, for example, a hot water supply path and a water supply path (not shown), respectively. The rotor 54 has a disk shape having an area capable of simultaneously closing the two openings 53 a and 53 b formed in the valve seat 53.

FIGS. 10A to 10C are explanatory diagrams showing the operation of the above-described cartridge valve 50 of the open type. FIG. 10A shows a water stop state, in which the rotor 54 has the valve seat 53.
The pair of openings 53a and 53b are completely closed. When the lever 56 is rotated in the vertical plane to move the rotor presser 55, the rotor 54 slides on the valve seat 53, and the opening 53 is opened.
a, 53b are opened. Thereby, the openings 53a, 53
b communicates with the hot water supply passage and the water supply passage, respectively, and the hot water and the water flow into the cartridge type valve 50 through the openings 53a and 53b (FIG. 10B). The flowing hot water and water are mixed in the housing case 51, and the mixed water is discharged from a discharge port 51 a opened on the side surface of the housing case 51. Therefore, a water passage is formed by using a casing (not shown) having a larger diameter on the outer peripheral portion of the housing case 51, and the discharge water (spout) is connected to the water passage so that the mixed water is cartridge-type. Discharge can be performed in the lateral direction of the valve 50 (the direction parallel to the sliding surface of the valve seat 53 and the rotor 54).

FIG. 10C shows a state in which the lever 56 is rotated in a horizontal plane to slide the rotor 54, the opening 53a is closed, and the opening 53b is opened. In this case, the opening 53b
From the water supply passage communicating with the discharge port 51a is discharged through the discharge port 51a.

On the other hand, a closed type cartridge type valve has a structure as shown in FIGS. That is, in FIG. 11, reference numeral 61 denotes a housing case, and a valve seat case 62 is formed at the bottom of the housing case 61. A discharge port 62a is opened in a part of the valve seat case 62. Valve seat case 6
2, a ceramic valve seat 63 is placed and fixed on
A ceramic rotor 64 is slidably in contact with the valve seat 63. A rotor holder 65 for sliding the rotor 64 on the valve seat 63 is joined to the rotor 64, and a cartridge lever 66 is engaged with the upper part of the rotor holder 65. The cartridge lever 66 is rotatably supported by a valve guide 67 disposed above the rotor presser 65. Reference numeral 68 denotes a cartridge lid attached to the upper end of the housing case 61.

FIGS. 12 and 13 show the plan shapes of a valve seat 63 and a rotor 64 incorporated in the closed type cartridge type valve 60, respectively. In the valve seat 63, a discharge opening 63c is formed on one side (upper in FIG. 12) from the center, and a pair of left and right openings 63a and 63b is formed on the other (lower side in FIG. 12). .
The pair of openings 63a and 63b communicate with a hot water supply path and a water supply path, respectively.

Further, the valve seat 63 is mounted on the valve seat case 62 at a position where the discharge opening 63c communicates with the discharge port 62a of the valve seat case 62.

A central opening 64a is formed in the rotor 64 from a substantially central portion to an upper portion, and an arc-shaped water passage opening 64b is provided at a predetermined distance below the central opening 64a.
Are formed. A closed area 64c having an area capable of simultaneously closing the pair of openings 63a and 63b of the valve seat 63 is formed between the central opening 64a and the water passage opening 64b.

FIGS. 14A to 14C are explanatory views showing the operation of the above-mentioned closed type cartridge type valve 60. FIG. FIG. 14A shows a water stop state, in which a closed region 64 c of the rotor 64 completely closes the pair of openings 63 a and 63 b of the valve seat 63. When the lever 66 is rotated in the vertical plane to move the rotor presser 65, the rotor 64 slides on the valve seat 63, and the water passage openings 64b are located on the openings 63a and 63b, and the openings 63a are formed. , 63b are opened. Thus, the openings 63a and 63b communicate with the hot water supply passage and the water supply passage, respectively, and the hot water and the water flow into the cartridge type valve 60 through the water supply opening 64b of the rotor 64 (FIG. 14).
B). The flowing hot water and water are mixed in the valve 60, and the mixed water is discharged from the discharge port 62 a through the central opening 64 a of the rotor 64 and the discharge opening 63 c of the valve seat 63. Therefore, by connecting the discharge pipe to the lower side of the valve seat case 62, the mixed water can be discharged in the downward direction of the cartridge type valve 60 (the direction orthogonal to the sliding surface of the valve seat 63 and the rotor 64). .

FIG. 14C shows a state in which the lever 66 is rotated in the horizontal plane to slide the rotor 64, the opening 63a is closed, and the opening 63b is opened. In this case, the opening 63b
Is discharged from a water supply passage communicating with the discharge port 62a through the discharge port 62a.

[0015]

The above-mentioned open type cartridge type valve has a structure in which the base of the mixing faucet is fixed to a top plate such as a wash basin, and the spout is attached to the faucet in the lateral direction. Are suitable. However, since the discharge port 51a is provided on the side surface of the housing case 51, it is necessary to form a water passage on the outer surface of the cartridge type valve 50, and there is a disadvantage that the diameter of the faucet main body becomes large. Further, in the case of a structure in which the mixed water is discharged in a direction orthogonal to the sliding surface of the valve seat 53 and the rotor 54, there is a problem that the configuration of the water passage becomes complicated and it is difficult to take advantage of the cartridge type valve.

On the other hand, a closed type cartridge type valve is suitable for discharging mixed water downward from a faucet, such as a wall-mounted type faucet. However, the rotor 64 has a central hole 64a and an arc-shaped water passage hole 6a.
4b, the outer diameter of the rotor 64 is increased in strength, the sliding range of the rotor 64 is increased, and the diameter of the cartridge type valve is increased.

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has as its object to provide a cartridge type valve which can reduce the size of a valve body and can easily cope with various water passage configurations. .

[0018]

In order to achieve the above-mentioned object, a cartridge type valve according to the present invention has a discharge opening formed on one side from the center and a pair of openings formed on the other side. A valve seat formed at a position, slidably abutted against the valve seat, a central opening is formed at a substantially central portion, and a pair of openings of the valve seat are opened and closed at a part of an outer peripheral edge. A rotor on which a control unit is formed.

[0019]

[0020]

In the cartridge type valve according to the present invention, the mixing ratio of hot water and the discharge amount can be adjusted by controlling the opening and closing of the pair of openings of the valve seat by the outer peripheral edge control section of the rotor. Further, the fluid passing through the outer peripheral edge control portion of the rotor can be discharged as it is in a direction parallel to the sliding surface, and the fluid further passes through the central opening of the rotor and the discharge opening of the valve seat. Thereby, the liquid can be discharged in a direction orthogonal to the sliding surface.

[0021]

[0022]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an assembly side sectional view showing one embodiment of a cartridge type valve 10 according to the present invention. In the figure, reference numeral 11 denotes a hollow cylindrical housing case, and a valve seat case 1 is provided at a lower end portion of the housing case 11.
2 is fixed. A valve seat 13 made of ceramic is mounted and fixed on the upper surface of the valve seat case 12 in the housing case 11. A ceramic rotor 14 is slidably disposed on the valve seat 13.

On the side surface of the housing case 11, a pair of discharge ports 1 is provided at substantially the same height as the arrangement height of the rotor 14.
1a is open. The valve seat case 12 has a discharge passage 12 a perpendicular to the sliding surface of the valve seat 13 and the rotor 14.
Are formed.

As shown in FIG. 2, the valve seat 13 has a disk shape, and has a discharge opening 13c formed on one side from the center and a pair of openings 13a and 13b formed on the other side. It is formed in a symmetrical position. This valve seat 13 is a valve seat case 1
2, the discharge opening 13c is disposed and fixed so as to communicate with the discharge passage 12a, and the pair of openings 13a and 13b are connected to a hot water supply passage and a water supply passage (not shown), respectively.

As shown in FIG. 3, the rotor 14 has a substantially disk shape, and has a central opening 14a formed at a substantially central portion.
The control unit 14b is formed on a part of the outer peripheral edge. The control unit 14b controls the opening and closing of the pair of openings 13a and 13b of the valve seat 13. Between the center opening 14a and the outer peripheral edge control unit 14b, the pair of openings 13a and 13b is completely closed. A closed region 14c having an area that can be closed is formed. Further, a pair of projecting portions 14d projecting in the radial direction are provided at both ends of the outer peripheral edge control portion 14b.

Above the rotor 14, a rotor presser 15 for sliding the rotor 14 while making contact with the valve seat 13 is provided. A lower end portion of a cartridge lever 16 having a spherical portion 16a is engaged with an upper portion of the rotor retainer 15, and the cartridge lever 16 has a valve guide 17 fixedly disposed on an upper portion of the housing case 11, and a valve guide 17 of the valve guide 17. It is rotatably held by a cartridge lid 18 mounted on the upper part. A water passage 19 is formed in the rotor presser 15 and the valve guide 17 above the rotor 14 by cutting out a part thereof and communicating from the pair of openings 13 a and 13 b of the valve seat 13 to the central opening 14 a of the rotor 14. Have been.

FIGS. 4A to 4D are explanatory views showing the operation of the present embodiment having such a configuration.

FIG. 4A shows a water stop state, in which the closed area 14c of the rotor 14 completely closes the pair of openings 13a, 13b of the valve seat 13. When the cartridge lever 16 is rotated in a vertical plane to move the rotor presser 15, the rotor 1
4 slides on the valve seat 13, and the outer peripheral edge control unit 14b crosses over the pair of openings 13a and 13b of the valve seat 13 (FIG. 4B). Thereby, a pair of openings 13a, 13b
Are opened, and the respective openings 13a, 13b
The hot water and the water flow into the cartridge type valve 10 from the hot water supply path and the water supply path communicating with the water, and are mixed.

When the discharge port 11a of the housing case 11 is opened and the discharge path 12a of the valve seat case 12 is closed, the mixed water is discharged from the discharge port 11a. Conversely, when the discharge port 11a is closed and the discharge path 12a is open, the mixed water passes through the water passage 19 above the rotor 14 from the outer peripheral edge control unit 14b, and the central opening 14a of the rotor 14, It flows into the discharge opening 13 c of the valve seat 13 and is discharged from the discharge passage 12 a of the valve seat case 12.

FIG. 4C shows a state in which the cartridge lever 16 is rotated in a horizontal plane to slide the rotor 14, and the opening 13 of the valve seat 13 is opened.
a is closed and the opening 13b is open. In this case, water from a water supply passage communicating with the opening 13b is discharged through the discharge port 11a or the discharge passage 12a.

In this case, the projections 14d provided at both ends of the control section 14b also have the function of closing the opening 13a. Therefore, only in this portion, the outer diameter of the rotor 14 can be reduced.

FIG. 4D shows a state in which the cartridge lever 16 has been rotated in a vertical plane from the state shown in FIG. 4C to stop water.

As described above, according to the present embodiment, the rotor 14
A control unit 14b for controlling the opening and closing of the openings 13a and 13b of the valve seat 13 is provided on the outer peripheral edge of the valve seat 13.
The mixed water can be discharged in a direction parallel to the sliding surface of. Further, since a central opening 14a is provided substantially at the center of the rotor 14 so as to communicate with the discharge opening 13c of the valve seat 13, mixing is also performed in a direction orthogonal to the sliding surface of the valve seat 13 and the rotor 14. Water can be discharged.

Further, since the control section 14b is provided on the outer peripheral edge of the rotor 14, the diameter can be reduced without reducing the strength of the rotor 14. Thus, the sliding range of the rotor 14 can be reduced, and the size of the valve body can be reduced. Further, a pair of projecting portions 14 d are provided at both ends of the control portion 14 b, and one opening 13 a or 13
When b is closed, it contributes as a part of the closed area, so that the diameter of the rotor 14 can be further reduced.

FIG. 5 shows an example in which the cartridge type valve 10 according to the present embodiment is applied to a hot and cold water mixing faucet 20 having a lateral discharge structure. The cartridge type valve 10 is mounted in the main body housing 21 of the faucet 20, and a water passage 22 is formed between the housing case 11 and the main body housing 21. The bottom of the valve seat case 12 is closely arranged on the bottom of the main body housing 21, the discharge passage 12 a is closed, and the discharge port 11 a of the housing case 11 is connected to the water passage 22. Spout 23 in water passage 22
And the mixed water discharged from the discharge port 11 a is discharged from the spout 23 through the water passage 22.

FIG. 6 shows the same cartridge type valve 10.
Is applied to a hot and cold water mixing faucet 30 having a downward discharge structure. The cartridge type valve 10 is mounted in the main body housing 31 of the faucet 30 with its side surface sealed, and the discharge path 12 (not shown) is
Is communicated with a water passage 32 formed at the bottom of the bottom. As a result, the mixed water discharged from the discharge path 12 is
Through the spout 33.

As described above, the cartridge type valve 10 according to the present embodiment can be easily and easily applied to any of the mixing faucets having the horizontal discharge structure and the downward discharge structure.

[0039]

As described above, according to the present invention,
The cartridge type valve can be selectively applied to any of an open type and a closed type according to the structure of the mixing faucet such as the position of the spout. Also,
By reducing the outer diameter of the rotor, the size of the valve body can be reduced.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a cartridge type valve according to an embodiment of the present invention.

FIG. 2 is a plan view of a valve seat according to one embodiment of the present invention.

FIG. 3 is a plan view of a rotor according to one embodiment of the present invention.

FIG. 4 is a plan view showing a sliding position of a rotor according to one embodiment of the present invention.

FIG. 5 is a side sectional view showing an example in which a cartridge type valve according to the present invention is applied to a mixing faucet having a lateral discharge structure.

FIG. 6 is a side sectional view showing an example in which the cartridge type valve according to the present invention is applied to a mixing faucet having a downward discharge structure.

FIG. 7 is a side sectional view showing an example of a conventional open type cartridge type valve.

FIG. 8 is a plan view showing a valve seat of the cartridge type valve shown in FIG. 7;

FIG. 9 is a plan view showing a rotor of the cartridge type valve shown in FIG. 7;

FIG. 10 is an explanatory view showing the operation of the cartridge type valve shown in FIG. 7;

FIG. 11 is a side sectional view showing an example of a conventional closed-type cartridge valve.

FIG. 12 is a plan view showing a valve seat of the cartridge type valve shown in FIG. 11;

FIG. 13 is a plan view showing a rotor of the cartridge type valve shown in FIG. 11;

FIG. 14 is an explanatory view showing the operation of the cartridge type valve shown in FIG.

──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-60-215171 (JP, A) JP-A-58-94683 (JP, A) JP-A 4-133080 (JP, U) JP-A 2- 78872 (JP, U) Japanese Utility Model Application Hei 2-71177 (JP, U) Japanese Utility Model Application No. Sho 58-22370 (JP, Y2) Tokuyo Sho 58-501834 (JP, A) (58) Fields surveyed (Int. ⁷ , DB name) F16K 11/00-11/24 F16K 3/00-3/36

Claims (2)

(57) [Claims] 1. A valve seat having a discharge opening formed on one side from a central portion, and a pair of openings formed at symmetrical positions on the other side, and a slidable contact with the valve seat. And a rotor having a central opening formed substantially at the center thereof and a control section formed at a part of the outer peripheral edge to control opening and closing of the pair of openings of the valve seat. 2. The cartridge-type valve according to claim 1, wherein a pair of radial projections are provided at both ends of the outer peripheral edge control portion of the rotor.