Spherical ceramic three-way valve

Abstract

The utility model relates to the technical field of three-way valves, and discloses a spherical ceramic three-way valve which comprises a valve body and an arranged ball valve. The lower portion of an inner cavity of the fixing ring plate is rotationally connected with a limiting concave plate, a limiting groove is formed in the top of the limiting concave plate, a rotating shaft is installed at the bottom of the limiting concave plate and connected with the ball valve, and a driving motor is installed over the fixing ring plate; the top of the second fixing base is connected with an annular rotating handle, the top of the second fixing base is connected with a second limiting protruding plate, and a second limiting protruding block is installed at the bottom of the second limiting protruding plate. According to the spherical ceramic three-way valve, a driving motor is separated from a fixing ring plate, a second fixing base is placed in an inner cavity of the fixing ring plate and then attached to a limiting concave plate, a second limiting convex plate is inserted into a limiting groove, an annular rotating handle drives the second limiting convex plate and a second limiting convex block to rotate in the fixing ring plate, and the second limiting convex block drives the limiting concave plate to rotate; and the rotating shaft drives the ball valve to rotate.

Description

Technical Field

[0001] This utility model relates to the field of three-way valve technology, specifically a spherical ceramic three-way valve. Background Technology

[0002] A three-way valve is a valve device with three ports, widely used in fluid control systems to change the direction of fluid flow or distribute flow. Its core function is to connect or close different ports by moving or rotating the valve core, thus meeting complex process requirements. A three-way valve mainly consists of a valve body, valve core, actuator, and seals: Valve body: usually made of cast iron, stainless steel, or plastic, with three internal flow ports; Valve core: changes the fluid path by moving or rotating; Actuator: provides power to drive the valve core; Seals: ensure a tight seal when the valve is closed, preventing leakage. A spherical ceramic three-way valve is a three-way valve that uses ceramic materials for its key components, achieving fluid distribution, switching, and reverse flow control by rotating a ball.

[0003] Traditional ball-type ceramic three-way valves are typically driven by an electric motor. A shaft connects the ball valve to the motor, allowing the motor to rotate the valve and change the fluid direction. However, if the motor fails, the ball valve becomes unusable, thus failing to control the fluid inside the valve body. To address this issue, some ball-type ceramic three-way valves incorporate a housing within the valve body, with the shaft housed inside. A driven wheel is added to the shaft's surface, and a driving wheel meshes with the driven wheel. A handwheel is installed at the center of the driving wheel. When the motor is removed, the housing can be opened, and the handwheel can be used to rotate the driving and driven wheels, causing the shaft to rotate the ball valve in the same direction as the driven wheel, thereby controlling the fluid inside the valve body. However, this method, due to the additional driven wheel, driven wheel, and handwheel, not only increases operating costs but also reduces transmission and sealing performance. Therefore, a new ball-type ceramic three-way valve is proposed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a spherical ceramic three-way valve to solve the aforementioned technical problems that not only increase usage costs but also reduce transmission and sealing performance.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a spherical ceramic three-way valve, comprising:

[0008] The valve body, and connecting flanges located on the left, right and bottom ports of the valve body, and a ball valve is rotatably connected to the center of the inner cavity of the valve body;

[0009] A fixed ring plate is set at the center of the upper surface of the valve body, and a limiting recess is rotatably connected to the lower part of the inner cavity of the fixed ring plate. A limiting groove is opened at the top of the limiting recess, and a rotating shaft is installed at the bottom of the limiting recess and extends inward through the surface of the valve body to connect with the ball valve.

[0010] The first fixed seat is located directly above the fixed ring plate, and a drive motor is installed on the top of the first fixed seat. The rotating end of the drive motor extends downward through the top of the first fixed seat and is connected to the first limiting protrusion. A first limiting protrusion is installed at the bottom of the first limiting protrusion.

[0011] The second fixed seat is located above the valve body, and an annular handle is rotatably connected to the top of the second fixed seat. The rotating end of the annular handle extends downward through the top of the second fixed seat and is connected to a second limiting protrusion. A second limiting protrusion is installed at the bottom of the second limiting protrusion. After the first fixed seat is placed in the inner cavity of the fixed ring plate and fits against the limiting concave plate, the first fixed seat is connected to the fixed ring plate, and the first limiting protrusion is inserted into the limiting groove. The drive motor on the first fixed seat drives the first limiting protrusion and the first limiting protrusion to rotate within the fixed ring plate. The first limiting protrusion drives the limiting concave plate to rotate within the fixed ring plate through the limiting groove. When the rotating shaft rotates with the limiting concave plate, it drives the ball valve to rotate within the valve body. When the drive motor malfunctions and cannot be used, the drive motor is moved up along the fixed ring plate, separating the first fixed seat from the fixed ring plate, the first limiting protrusion from the limiting concave plate, and the first limiting protrusion from the limiting groove. Then, the second fixed seat is placed in the inner cavity of the fixed ring plate and fits against the limiting concave plate, connecting the second fixed seat to the fixed ring plate. The limiting protrusion is inserted into the limiting groove. The annular handle drives the second limiting protrusion and the second limiting protrusion to rotate within the fixed ring plate via the second fixed seat. The second limiting protrusion drives the limiting concave plate to rotate within the fixed ring plate via the limiting groove. When the rotating shaft rotates with the limiting concave plate, it drives the ball valve to rotate within the valve body. On the one hand, since no additional structure needs to be added to the rotating shaft, it not only reduces the cost of use but also ensures transmission and sealing performance. On the other hand, it facilitates quick disassembly and assembly between the drive motor and the annular handle and the rotating shaft, thereby avoiding process interruption or safety accidents caused by the valve being unable to operate for a long time. At the same time, the electric and manual drive components are completely decoupled, and the faulty drive motor or annular handle can be replaced separately, realizing independent maintenance of the drive module.

[0012] Preferably, the limiting groove, the first limiting protrusion, and the second limiting protrusion are positioned in a corresponding relationship, and the first limiting protrusion and the second limiting protrusion are inserted into the limiting groove. Both the first limiting protrusion and the second limiting protrusion can be inserted into the limiting groove, thereby facilitating disassembly and assembly operations.

[0013] Preferably, fixing rods are installed on both the left and right outer sides of the fixing ring plate, and the bottom ends of the fixing rods are connected to the surface of the valve body. Positioning holes are also provided around the top of the fixing ring plate. The fixing ring plate is connected to the valve body through the fixing rods, and the fixing ring plate is connected to the corresponding structure through the positioning holes.

[0014] Preferably, a first side connecting rod is installed on both the left and right outer sides of the first fixed seat, and a first positioning post is rotatably connected to the bottom end of each first side connecting rod. A first side protrusion is installed on the lower part of the left and right outer sides of each first positioning post. When the first fixed seat is placed in the inner cavity of the fixed ring plate, the first side connecting rod drives the first positioning post to be inserted into the interior of the positioning hole. The first side protrusion is located directly below the positioning hole. Rotating the first positioning post on the first side connecting rod causes the first side protrusion to be misaligned with the positioning hole. This not only ensures the stability of the connection between the first fixed seat and the fixed ring plate, but also facilitates disassembly and assembly operations.

[0015] Preferably, a second side connecting rod is installed on both the left and right outer sides of the second fixing seat, and a second positioning post is rotatably connected to the bottom end of each second side connecting rod. A second side protrusion is installed on the lower part of the left and right outer sides of each second positioning post. When the second fixing seat is placed in the inner cavity of the fixing ring plate, the second side connecting rod drives the second positioning post to insert into the interior of the positioning hole. The second side protrusion is located directly below the positioning hole. Rotating the second positioning post on the second side connecting rod causes the second side protrusion to be misaligned with the positioning hole. This not only ensures the stability of the connection between the second fixing seat and the fixing ring plate, but also facilitates disassembly and assembly operations.

[0016] Preferably, the shapes of the first positioning post and the first side protrusion, as well as the second positioning post and the second side protrusion, correspond to those of the positioning hole. This allows both the first and second positioning posts to move up and down along the positioning hole, and they can be misaligned with the positioning hole via their corresponding first and second side protrusions.

[0017] (III) Beneficial Effects

[0018] Compared with the prior art, this utility model provides a spherical ceramic three-way valve, which has the following beneficial effects:

[0019] This spherical ceramic three-way valve works by placing a first fixed seat inside the cavity of a fixed ring plate and abutting it against a limiting concave plate. The first fixed seat is connected to the fixed ring plate, and a first limiting protrusion is inserted into a limiting groove. A drive motor on the first fixed seat drives the first limiting protrusion and the first limiting protrusion to rotate within the fixed ring plate. The first limiting protrusion drives the limiting concave plate to rotate within the fixed ring plate through the limiting groove. As the rotating shaft rotates with the limiting concave plate, it drives the ball valve to rotate within the valve body. When the drive motor malfunctions and cannot be used, the drive motor moves up along the fixed ring plate, separating the first fixed seat from the fixed ring plate, the first limiting protrusion from the limiting concave plate, and the first limiting protrusion from the limiting groove. Then, a second fixed seat is placed inside the cavity of the fixed ring plate and abutted against the limiting concave plate. Connected to the fixed ring plate, the second limiting protrusion is inserted into the limiting groove. The annular handle drives the second limiting protrusion and the second limiting protrusion to rotate within the fixed ring plate via the second fixed seat. The second limiting protrusion drives the limiting concave plate to rotate within the fixed ring plate via the limiting groove. When the rotating shaft rotates with the limiting concave plate, it drives the ball valve to rotate within the valve body. Since no additional structure needs to be added to the rotating shaft, it not only reduces the cost of use but also ensures transmission and sealing. At the same time, it facilitates quick disassembly and assembly between the drive motor and the annular handle and the rotating shaft, thereby avoiding process interruption or safety accidents caused by the valve being unable to operate for a long time. The electric and manual drive components are completely decoupled, and the faulty motor or annular handle can be replaced separately, realizing independent maintenance of the drive module. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a cross-sectional view of the internal structure of the valve body of this utility model;

[0022] Figure 3 This is a schematic diagram of the separation structure of the first fixing seat and the fixing ring plate of this utility model;

[0023] Figure 4 This is a cross-sectional view of the first limiting protrusion and a schematic diagram of its connection structure of the present invention;

[0024] Figure 5 This is a cross-sectional view of the fixing ring plate and a schematic diagram of its connection structure according to this utility model;

[0025] Figure 6 This is a cross-sectional view of the second limiting protrusion and a schematic diagram of its connection structure of the present invention.

[0026] In the diagram: 1. Valve body; 2. Connecting flange; 3. Ball valve; 4. Fixing ring plate; 5. Limiting concave plate; 6. Limiting groove; 7. Rotating shaft; 8. Fixing rod; 9. Positioning hole; 10. First fixing seat; 11. Drive motor; 12. First limiting protrusion; 13. First limiting protrusion; 14. First side connecting rod; 15. First positioning post; 16. First side protrusion; 17. Second fixing seat; 18. Annular handle; 19. Second limiting protrusion; 20. Second limiting protrusion; 21. Second side connecting rod; 22. Second positioning post; 23. Second side protrusion. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] This utility model provides a technical solution: a spherical ceramic three-way valve, comprising: (see details) Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 The valve body 1, and the connecting flanges 2 located at the left, right and bottom ports of the valve body 1, and the ball valve 3 is rotatably connected to the center of the inner cavity of the valve body 1.

[0029] A fixed ring plate 4 is set at the center of the upper surface of the valve body 1, and a limiting recess 5 is rotatably connected to the lower part of the inner cavity of the fixed ring plate 4. A limiting groove 6 is opened at the top of the limiting recess 5, and a rotating shaft 7 is installed at the bottom of the limiting recess 5 and extends inward through the surface of the valve body 1 to connect with the ball valve 3.

[0030] The first fixed seat 10 is located directly above the fixed ring plate 4, and a drive motor 11 is installed on the top of the first fixed seat 10. The rotating end of the drive motor 11 extends downward through the top of the first fixed seat 10 and is connected to the first limiting protrusion 12. A first limiting protrusion 13 is installed at the bottom of the first limiting protrusion 12.

[0031] The second fixed seat 17 is disposed above the valve body 1, and the top of the second fixed seat 17 is rotatably connected to an annular handle 18. The rotating end of the annular handle 18 extends downward through the top of the second fixed seat 17 and is connected to a second limiting protrusion 19. The bottom of the second limiting protrusion 19 is equipped with a second limiting protrusion 20. After the first fixing seat 10 is placed in the inner cavity of the fixing ring plate 4 and abuts against the limiting concave plate 5, the first fixing seat 10 is connected to the fixing ring plate 4. The first limiting protrusion 12 is inserted into the limiting groove 6. The drive motor 11 drives the first limiting protrusion 12 and the first limiting protrusion 13 to rotate in the fixing ring plate 4 on the first fixing seat 10. The first limiting protrusion 13 drives the limiting concave plate 5 to rotate in the fixing ring plate 4 through the limiting groove 6. When the rotating shaft 7 rotates with the limiting concave plate 5, it drives the ball valve 3 to rotate in the valve body 1. When the drive motor 11 fails and cannot be used, the drive motor 11 is moved upward along the fixing ring plate 4, so that the first fixing seat 10 is separated from the fixing ring plate 4, the first limiting protrusion 12 is separated from the limiting concave plate 5, and the first limiting protrusion 12 is separated from the limiting groove 6. Then, the second fixing seat 17 is placed in the inner cavity of the fixing ring plate 4 and abuts against the limiting concave plate 5. The second fixing seat 17 and the fixed ring plate 4 are connected. The fixed ring plate 4 is connected, and the second limiting protrusion 19 is inserted into the limiting groove 6. The annular rotating handle 18 drives the second limiting protrusion 19 and the second limiting protrusion 20 to rotate within the fixed ring plate 4 via the second fixed seat 17. The second limiting protrusion 20 drives the limiting concave plate 5 to rotate within the fixed ring plate 4 via the limiting groove 6. When the rotating shaft 7 rotates with the limiting concave plate 5, it drives the ball valve 3 to rotate within the valve body 1. On the one hand, since there is no need to add an extra structure to the rotating shaft 7, it not only reduces the cost of use, but also ensures transmission and sealing. On the other hand, it facilitates quick disassembly and assembly between the drive motor 11 and the annular rotating handle 18 and the rotating shaft 7, thereby avoiding process interruption or safety accidents caused by the valve being unable to operate for a long time. At the same time, the electric and manual drive components are completely decoupled, and the faulty drive motor 11 or the annular rotating handle 18 can be replaced separately, realizing independent maintenance of the drive module.

[0032] Please see Figure 4 , Figure 5 , Figure 6The limiting groove 6, the first limiting protrusion 13, and the second limiting protrusion 20 are positioned correspondingly, and the first limiting protrusion 13 and the second limiting protrusion 20 are inserted into the limiting groove 6. Both the first limiting protrusion 13 and the second limiting protrusion 20 can be inserted into the limiting groove 6, facilitating disassembly and assembly. Fixing rods 8 are installed on the left and right outer sides of the fixing ring plate 4, and the bottom end of the fixing rod 8 is connected to the surface of the valve body 1. Positioning holes 9 are provided around the top of the fixing ring plate 4. The fixing ring plate 4 is connected to the valve body 1 via the fixing rods 8, and to the corresponding structure via the positioning holes 9. First side connecting rods 14 are installed on the left and right outer sides of the first fixing seat 10, and the bottom end of each first side connecting rod 14 is rotatably connected to a first positioning post 15. First side protrusions 16 are installed on the lower left and right outer sides of the first positioning post 15. After the first fixed seat 10 is placed in the inner cavity of the fixed ring plate 4, the first side connecting rod 14 drives the first positioning post 15 to be inserted into the positioning hole 9. The first side protrusion 16 is located directly below the positioning hole 9. The first positioning post 15 is rotated on the first side connecting rod 14 to make the first side protrusion 16 misaligned with the positioning hole 9. This not only ensures the stability of the connection between the first fixed seat 10 and the fixed ring plate 4, but also facilitates disassembly and assembly. The second fixed seat 17 is equipped with a second side connecting rod 21 on both the left and right outer sides, and the bottom end of the second side connecting rod 21 is rotatably connected to a second positioning post 22. A second side protrusion 23 is installed on the lower part of the left and right outer sides of the second positioning post 22. After the second fixed seat 17 is placed inside the cavity of the fixed ring plate 4, the second side connecting rod 21 drives the second positioning post 22 to be inserted into the positioning hole 9. The second side protrusion 23 is located directly below the positioning hole 9. Rotating the second positioning post 22 on the second side connecting rod 21 causes the second side protrusion 23 to be misaligned with the positioning hole 9, which not only ensures the stability of the connection between the second fixed seat 17 and the fixed ring plate 4, but also facilitates disassembly and assembly operations. The shapes of the first positioning post 15, the first side protrusion 16, the second positioning post 22, and the second side protrusion 23 correspond to those of the positioning hole 9. This allows the first positioning post 15 and the second positioning post 22 to move up and down along the positioning hole 9, and to be misaligned with the positioning hole 9 through the corresponding first side protrusion 16 and second side protrusion 23.

[0033] This solution involves placing the first fixing seat 10 inside the cavity of the fixing ring plate 4 and then fitting it against the limiting concave plate 5. The first fixing seat 10 is connected to the fixing ring plate 4, and the first limiting protrusion 12 is inserted into the limiting groove 6. The drive motor 11 drives the first limiting protrusion 12 and the first limiting protrusion 13 to rotate within the fixing ring plate 4 via the first fixing seat 10. The first limiting protrusion 13 drives the limiting concave plate 5 to rotate within the fixing ring plate 4 through the limiting groove 6. The rotating shaft 7 rotates with the limiting concave plate. When the ball valve 3 rotates within the valve body 1, it is driven to rotate. When the drive motor 11 malfunctions and cannot be used, the drive motor 11 moves upward along the fixed ring plate 4, causing the first fixed seat 10 to separate from the fixed ring plate 4, the first limiting protrusion 12 from the limiting concave plate 5, and the first limiting protrusion 12 from the limiting groove 6. Then, the second fixed seat 17 is placed in the inner cavity of the fixed ring plate 4 and fits against the limiting concave plate 5. The second fixed seat 17 is connected to the fixed ring plate 4, and the second limiting protrusion 19 is inserted into the limiting groove. Within the groove 6, the annular handle 18 drives the second limiting protrusion 19 and the second limiting protrusion 20 to rotate within the fixed ring plate 4 via the second fixed seat 17. The second limiting protrusion 20 drives the limiting concave plate 5 to rotate within the fixed ring plate 4 via the limiting groove 6. When the rotating shaft 7 rotates with the limiting concave plate 5, it drives the ball valve 3 to rotate within the valve body 1. After the first fixed seat 10 is placed in the inner cavity of the fixed ring plate 4, the first side connecting rod 14 drives the first positioning pin 15 to be inserted into the interior of the positioning hole 9. The first side protrusion 16 is located directly below the positioning hole 9. The first positioning pin 15 is rotated on the first side connecting rod 14 to make the first side protrusion 16 misaligned with the positioning hole 9. After the second fixed seat 17 is placed in the inner cavity of the fixed ring plate 4, the second side connecting rod 21 drives the second positioning pin 22 to be inserted into the interior of the positioning hole 9. The second side protrusion 23 is located directly below the positioning hole 9. The second positioning pin 22 is rotated on the second side connecting rod 21 to make the second side protrusion 23 misaligned with the positioning hole 9.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A ceramic ball three-way valve characterized by, The utility model relates to a valve body (1) and the connecting flange (2) of the left and right and bottom port of valve body (1) are arranged, and the inner chamber center of valve body (1) is rotatably connected with ball valve (3); The fixed ring plate (4) is arranged on the upper surface center of the valve body (1), and the inner chamber lower part of the fixed ring plate (4) is rotatably connected with the limiting concave plate (5), and the limiting concave groove (6) is arranged on the top of the limiting concave plate (5), and the bottom of the limiting concave plate (5) is installed with the rotating shaft (7) and extends inwards through the surface of the valve body (1) and is connected with the ball valve (3); The first fixed seat (10) is arranged on the top of the fixed ring plate (4), and the top of the first fixed seat (10) is installed with the driving motor (11), and the rotating end of the driving motor (11) extends downwards through the top of the first fixed seat (10) and is connected with the first limiting convex plate (12), and the bottom of the first limiting convex plate (12) is installed with the first limiting convex block (13); The second fixed seat (17) is arranged on the top of the valve body (1), and the top of the second fixed seat (17) is rotatably connected with the annular rotating handle (18), and the rotating end of the annular rotating handle (18) extends downwards through the top of the second fixed seat (17) and is connected with the second limiting convex plate (19), and the bottom of the second limiting convex plate (19) is installed with the second limiting convex block (20). The position relationship of the limiting concave groove (6), the first limiting convex block (13) and the second limiting convex block (20) corresponds, and the first limiting convex block (13) and the second limiting convex block (20) are insertedly connected with the limiting concave groove (6).

2. A ceramic ball valve according to claim 1, wherein: The left and right outer sides of the fixed ring plate (4) are installed with the fixed rod (8), and the bottom end of the fixed rod (8) is connected with the surface of the valve body (1), and the positioning hole (9) is arranged on the top of the fixed ring plate (4) around.

3. A ceramic ball valve according to claim 1, wherein: The left and right outer sides of the first fixed seat (10) are installed with the first side connecting rod (14), and the bottom end of the first side connecting rod (14) is rotatably connected with the first positioning column (15), and the first side convex edge (16) is installed on the left and right outer lower parts of the first positioning column (15).

4. A ceramic ball valve according to claim 3, wherein: The left and right outer sides of the second fixed seat (17) are installed with the second side connecting rod (21), and the bottom end of the second side connecting rod (21) is rotatably connected with the second positioning column (22), and the second side convex edge (23) is installed on the left and right outer lower parts of the second positioning column (22).

5. A ceramic ball valve according to claim 4, wherein: The shape relationship of the first positioning column (15), the first side convex edge (16), the second positioning column (22) and the second side convex edge (23) corresponds with the positioning hole (9).

6. A ceramic ball valve according to claim 5, wherein: ​

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