Spherical valve element device

Abstract

The invention discloses a spherical valve element device which is used in the field of spherical valves. The valve comprises a metal valve element and a ceramic lining, the metal valve element is provided with a medium flow channel, the ceramic lining is arranged in the medium flow channel, the ceramic lining is connected with the metal valve element, the ceramic lining is provided with flow channel open holes, the flow channel open holes are in various shapes, and the flow channel open holes are communicated with the metal valve element. According to the scheme, the metal valve element is connected with the valve element assembly formed by the ceramic lining, the valve seat is matched with the valve seat made of the ceramic material, the service life of the whole valve is effectively prolonged, the reliability is improved, the use cost is reduced, and the service life of the valve is prolonged. And through the design of various shapes of the runner opening holes of the ceramic lining, the diversified control requirements of a user are met.

Description

Technical Field

[0001] The present application relates to the field of spherical valves, and in particular to a spherical valve core device. Background Art

[0002] Under the background of the rapid development of valve technology, the performance and life of the valve core, as a key component of fluid control, directly affect the stable operation of the entire valve.

[0003] In the prior art, valves use a combination of a ceramic valve core and a ceramic valve seat, but ceramics are easy to crack and break, especially the valve core is easy to break under stress, which greatly limits the scope of use of the valve. The valve uses a combination of a metal valve core and a ceramic valve seat to solve the above problem, but the service life of the metal valve core is extremely short under the impact of powder, especially when the valve is adjusted and controlled, the powder impacts the metal valve core for a long time, the service life of the valve core is even shorter, and it cannot meet the production control requirements. Summary of the invention

[0004] In order to solve the above technical problems, the present application provides a spherical valve core device comprising:

[0005] Metal valve core and ceramic lining;

[0006] The metal valve core is provided with a medium flow channel;

[0007] A ceramic lining is provided in the medium flow channel, and the ceramic lining is connected to the metal valve core;

[0008] The ceramic lining is provided with flow channel openings, and the flow channel openings have various shapes;

[0009] The metal valve core is connected to the valve core assembly formed by the ceramic lining and is used in conjunction with a valve seat, and the valve seat is made of ceramic material.

[0010] Optionally, the medium flow channel of the metal valve core is circular or irregular.

[0011] Optionally, the ceramic lining material includes structural ceramics, metal ceramics or cemented carbide.

[0012] Optionally, the shape of the flow channel opening includes O-shape, V-shape, rectangular shape or special shape.

[0013] Optionally, the ceramic lining is disposed throughout the medium flow channel.

[0014] Optionally, the ceramic lining is arranged at one end or both ends of the medium flow channel.

[0015] Optionally, the outer end surface of the ceramic lining is configured as a spherical surface or a conical surface.

[0016] Optionally, the outer end surface diameter of the ceramic lining is less than or equal to the spherical diameter of the metal valve core.

[0017] Optionally, the ceramic lining and the metal valve core are connected by glue curing, fastening or welding.

[0018] Optionally, the valve core assembly consisting of the metal valve core and the ceramic lining is used in conjunction with the valve seat, and the valve seat can be provided as one or two.

[0019] It can be seen from the above technical solutions that this application has the following advantages:

[0020] 1. The valve core assembly consisting of a metal valve core connected to a ceramic lining, combined with a valve seat made of ceramic material, solves the problems of easy breakage of the ceramic valve core and short life of the metal valve core, effectively extending the service life of the entire valve, improving reliability and reducing the cost of use.

[0021] 2. Through the various shapes of flow channel openings designed in the ceramic lining, the user's diverse control needs are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solution in the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0023] Figure 1 This is a schematic structural diagram of an embodiment of the spherical valve core device provided in this application;

[0024] Figure 2 A schematic diagram of a V-shaped flow channel opening structure of an embodiment of a spherical valve core device provided in the present application;

[0025] Figure 3 This is a schematic diagram of an O-type flow channel opening structure of an embodiment of the spherical valve core device provided in this application;

[0026] Figure 4 This is a schematic diagram of the cross-sectional structure of a spherical valve core device provided in the present application, in which a ceramic liner is disposed through a medium flow channel;

[0027] Figure 5 This is a schematic cross-sectional structure diagram of a ceramic lining of an embodiment of a spherical valve core device provided in the present application, which is disposed at one end of a medium flow channel;

[0028] Figure 6 This is a schematic cross-sectional structure diagram of a spherical valve core device provided in the present application, in which a ceramic liner is arranged at both ends of a medium flow channel. DETAILED DESCRIPTION

[0029] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only used to illustrate the relative positional relationships between the various components or components, and do not particularly limit the specific installation orientations of the various components or components.

[0030] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0031] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] In addition, the structures, proportions, sizes, etc. drawn in the drawings in the present application are only used to match the contents disclosed in the specification for the technical personnel in this field to understand and read, and are not used to limit the restrictive conditions under which the present application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in the present application without affecting the effects and purposes that can be achieved by the present application.

[0033] The following will be combined with the drawings in this application to clearly and completely describe the technical solutions in this application. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0034] In order to solve the above technical problems, the present application provides a spherical valve core device for effectively extending the service life of the entire valve, meeting the needs in the industrial production process and realizing the diversified control needs of users.

[0035] See also Figures 1 to 6 The present application provides a spherical valve core device, the spherical valve core device comprising:

[0036] Metal valve core 1 and ceramic lining 2;

[0037] The metal valve core 1 is provided with the medium flow channel 3;

[0038] The ceramic lining 2 is arranged in the medium flow channel 3, and the ceramic lining 2 is connected to the metal valve core 1;

[0039] The ceramic lining 2 is provided with a flow channel opening 4, and the flow channel opening 4 has a variety of shapes;

[0040] The valve core assembly formed by the metal valve core 1 connected to the ceramic lining 2 is used in conjunction with a valve seat 5, and the valve seat 5 is made of ceramic material.

[0041] The following describes in detail the various components in this embodiment:

[0042] Metal valve core 1: The valve core assembly composed of metal valve core 1 and ceramic lining 2 is used in conjunction with valve seat 5. When the valve is fully opened, the flow channel axis of valve seat 5 coincides with the flow channel axis of valve core assembly, and the medium flows through the valve. At this time, the sealing surface of valve seat 5 is tightly matched with the spherical surface of metal valve core 1. When the valve is half-open, especially at a small opening, the medium flows in the flow channel formed by the flow channel through hole of valve seat 5 and the flow channel opening 4 of ceramic lining 2, and the medium impacts the edge of the flow channel. Valve seat 5 and ceramic lining 2 are both made of ceramic materials, with a long service life, and the spherical surface of metal valve core 1 has little impact. When the valve is fully closed, the sealing surface of valve seat 5 is all tightly against the spherical surface of metal valve core 1, and the sealing effect is good.

[0043] Ceramic lining 2: The ceramic lining 2 is arranged in the medium flow channel 3, and the ceramic lining 2 is connected to the metal valve core 1. The main function of the ceramic lining 2 is to resist the impact of the medium, protect the metal valve core 1, and extend the service life of the metal valve core 1.

[0044] Medium flow channel 3: The medium flow channel 3 is arranged in the metal valve core 1. The main function of the medium flow channel 3 is to provide a medium flow channel to ensure that the medium can be smoothly transmitted from one end to the other end, and is also used to install the ceramic lining 2.

[0045] Flow channel opening 4: The flow channel opening 4 is arranged on the ceramic lining 2, and the flow channel opening 4 is arranged in various shapes. The different shape designs of the flow channel opening 4 can meet the diverse control requirements of users.

[0046] Valve seat 5: Valve seat 5 is used in conjunction with the valve core assembly to control the flow of the medium.

[0047] In an optional embodiment, the medium flow channel 3 of the metal valve core 1 is circular or irregular.

[0048] In this embodiment, a specific implementation method of the medium flow channel 3 is provided, and the shape of the medium flow channel 3 can be designed according to the control requirements of the user. In practical applications, the shape of the medium flow channel 3 can be set to be round or irregular. In addition to the above shapes, it can also be set according to actual conditions, and no specific limitation is made here.

[0049] In this embodiment, diverse control requirements of users can be met.

[0050] In an optional embodiment, the ceramic lining 2 material includes structural ceramics, metal ceramics or cemented carbide.

[0051] In this embodiment, the material of the ceramic lining 2 includes structural ceramics, metal ceramics or hard alloy. In addition to the above structural materials, it can also be set according to actual conditions, and no specific limitation is made here.

[0052] In this embodiment, the ceramic lining 2 material has wear resistance, corrosion resistance and high-temperature oxidation resistance, and can extend the service life of the valve core component.

[0053] In an optional embodiment, the shape of the flow channel opening 4 includes O-shape, V-shape, rectangular shape or special shape.

[0054] In this embodiment, a specific implementation method of the flow channel opening 4 is provided, and the shape of the flow channel opening 4 can be designed according to the control requirements of the user. The shape of the flow channel opening 4 includes O-shaped, V-shaped, rectangular or special-shaped. In addition to the above shapes, it can also be set according to actual conditions, and no specific limitation is made here.

[0055] In this embodiment, diverse control requirements of users can be met.

[0056] In an optional embodiment, the ceramic lining 2 is disposed throughout the medium flow channel 3 .

[0057] In this embodiment, a specific implementation of a ceramic lining 2 is provided. The ceramic lining 2 is disposed throughout the medium flow channel 3, thereby extending the service life of the valve core assembly.

[0058] In an optional embodiment, the ceramic lining 2 is arranged at one end or both ends of the medium flow channel 3 .

[0059] In this embodiment, another specific implementation of the ceramic lining 2 is provided, and the ceramic lining 2 can be arranged at one end or both ends of the medium flow channel 3, so as to meet various control requirements and reduce costs.

[0060] In an optional embodiment, the outer end surface of the ceramic lining 2 is configured as a spherical surface or a conical surface.

[0061] In this embodiment, a specific implementation method of the end surface of the ceramic lining 2 is provided. The outer end surface of the ceramic lining 2 can be set to a spherical surface or a conical surface. In addition to the above end surface settings, it can also be set according to actual conditions, and no specific limitation is made here. It can increase the flexibility of design, reduce processing difficulty and reduce costs.

[0062] In an optional embodiment, the outer end surface diameter of the ceramic lining 2 is smaller than or equal to the spherical surface diameter of the metal valve core 1 .

[0063] In this embodiment, when the outer end surface diameter of the ceramic lining 2 is smaller than or equal to the spherical surface diameter of the metal valve core 1 , it can be ensured that the valve seat 5 can run smoothly on the metal valve core 1 .

[0064] In an optional embodiment, the ceramic lining 2 and the metal valve core 1 are connected by glue curing, fastening or welding.

[0065] In this embodiment, a connection method between the ceramic lining 2 and the metal valve core 1 is provided, and the connection method between the ceramic lining 2 and the metal valve core 1 is glue curing, fastening or welding. The flexibility of the connection can be increased, and different material selection and working conditions can be adapted to ensure stability and reliability.

[0066] In an optional embodiment, the valve core assembly formed by the metal valve core 1 connected to the ceramic lining 2 is used in conjunction with the valve seat 5, and the valve seat 5 can be provided as one or two.

[0067] In this embodiment, the valve core assembly is composed of a metal valve core 1 connected to a ceramic liner 2, which ensures the long life and low cost of the spherical valve core. The valve seat 5 can be flexibly configured as one or two to meet specific working conditions.

[0068] It should be noted that the above description of the disclosed embodiments enables professionals and technicians in the field to implement or use the present application. Various modifications to these embodiments will be apparent to professionals and technicians in the field, and the general principles defined herein can be implemented in other embodiments without departing from the scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but should conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A spherical valve core device, characterized in that: include: Metal valve core and ceramic lining; The metal valve core is provided with a medium flow channel; A ceramic lining is provided in the medium flow channel, and the ceramic lining is connected to the metal valve core; The ceramic lining is provided with flow channel openings, and the flow channel openings have various shapes; The metal valve core is connected to the valve core assembly formed by the ceramic lining and is used in conjunction with a valve seat, and the valve seat is made of ceramic material.

2. The spherical valve core device according to claim 1, characterized in that: The medium flow channel of the metal valve core is circular or special-shaped.

3. The spherical valve core device according to claim 1, characterized in that: The ceramic lining material includes structural ceramics, metal ceramics or hard alloy.

4. The spherical valve core device according to claim 1, characterized in that: The shapes of the flow channel openings include O-shaped, V-shaped, rectangular or irregular shapes.

5. The spherical valve core device according to claim 1, characterized in that: The ceramic lining is disposed throughout the medium flow channel.

6. The spherical valve core device according to claim 1, characterized in that: The ceramic lining is arranged at one end or both ends of the medium flow channel.

7. The spherical valve core device according to claim 1, characterized in that: The outer end surface of the ceramic liner is configured as a spherical surface or a conical surface.

8. The spherical valve core device according to claim 7, characterized in that: The outer end surface diameter of the ceramic liner is smaller than or equal to the spherical surface diameter of the metal valve core.

9. The spherical valve core device according to claim 1, characterized in that: The ceramic lining and the metal valve core are connected by glue curing, fastening or welding.

10. The spherical valve core device according to claim 1, characterized in that: The valve core assembly composed of the metal valve core and the ceramic lining is used in conjunction with the valve seat, and the valve seat can be provided in one or two.

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