Swing valve with valve opening and closing locking mechanism

Abstract

The swing valve with the valve opening and closing locking mechanism comprises a valve body, a swing shaft and a valve plate, and the valve plate swings between a valve cavity and a valve port of the valve body along with the swing shaft to achieve valve opening and closing. Comprising a valve opening locking mechanism and a valve closing locking mechanism. The valve opening locking mechanism is arranged corresponding to the valve cavity area, and the valve plate is locked through an insertion plate of the valve opening locking mechanism in the state that the valve plate swings to the valve cavity area. The valve closing locking mechanism is arranged corresponding to the valve port area, and the valve plate is locked through a valve closing locking mechanism insertion plate in the state that the valve plate swings to the valve port area. The valve plate can be locked at the valve opening position and the valve closing position through the valve opening locking mechanism and the valve closing locking mechanism, and the stability of the valve plate in the opening state and the relation state is guaranteed.

Description

Technical Field

[0001] This utility model belongs to the field of swing valve technology, and in particular relates to a swing valve with an opening and closing valve locking mechanism. Background Technology

[0002] Swing valves are fluid control components widely used in various industrial fields, such as chemical, petroleum, natural gas, and semiconductor manufacturing. Traditional swing valves suffer from poor valve plate stability in both open and closed states. Due to the lack of an effective locking mechanism, the valve plate is prone to accidental movement when subjected to external vibrations, pressure fluctuations, or other factors. This prevents the valve from remaining fully open or closed, leading to fluid leakage and impacting production safety. Summary of the Invention

[0003] Purpose of the invention: In order to overcome the shortcomings of the existing technology, this utility model provides a swing valve with an opening and closing valve locking mechanism. The valve plate can be locked in the opening and closing positions through the opening and closing valve locking mechanism, so as to ensure the stability of the valve plate in the open and closed states.

[0004] Technical solution: To achieve the above objectives, this utility model provides a swing valve with an opening and closing valve locking mechanism, comprising a valve body, a swing shaft, and a valve plate. The valve plate swings and changes position between the valve cavity and the valve port of the valve body following the swing shaft to achieve opening and closing of the valve.

[0005] Its features include: an opening valve locking mechanism and a closing valve locking mechanism; the opening valve locking mechanism is configured corresponding to the valve cavity area, and the valve plate is locked by the opening valve locking mechanism insert plate when it swings to the valve cavity area; the closing valve locking mechanism is configured corresponding to the valve port area, and the valve plate is locked by the closing valve locking mechanism insert plate when it swings to the valve port area.

[0006] Furthermore, a valve plate opening position detection part that is interlocked with the valve opening locking mechanism is also provided in the corresponding valve cavity area;

[0007] A valve plate valve closing detection part is also provided in the valve port area, which is interlocked with the valve closing locking mechanism.

[0008] Furthermore, the valve opening locking mechanism and the valve closing locking mechanism have the same structure and are both installed on the valve body.

[0009] Furthermore, the valve opening locking mechanism or the valve closing locking mechanism includes a locking plug, a connecting rod, and a locking drive unit, wherein the locking plug is mounted on the locking drive unit via the connecting rod;

[0010] The valve plate has a locking hole corresponding to the locking plug. The locking plug is driven by the locking drive unit to insert and remove the outer shell that penetrates the valve body relative to the locking hole.

[0011] Furthermore, the outer shell of the valve body has a through hole for the valve cavity to allow the locking plug to pass through. The locking plug is partially or completely inserted into the through hole, so that the locking plug slides and seals the through hole.

[0012] Furthermore, both the valve plate opening detection unit and the valve plate closing detection unit are limit switches.

[0013] Beneficial effects: This utility model sets an opening locking mechanism and a closing locking mechanism in the valve cavity and valve port area respectively. When the valve plate swings to the corresponding area, the corresponding locking mechanism can effectively lock the valve plate, ensuring that the valve plate remains stable in the open or closed state, preventing the valve plate from moving unexpectedly due to external vibration, pressure changes and other factors, thereby improving the sealing performance and reliability of the swing valve, and ensuring the accuracy of fluid control. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a structural diagram of the locking mechanism, valve plate, and valve plate switch / valve position detection unit. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] like Figure 1 As shown, a swing valve with an opening and closing valve locking mechanism includes a valve body 1, a swing shaft 2, and a valve plate 3. The valve plate 3 swings between the valve cavity 1a and the valve port 1b of the valve body 1, following the swing shaft 2, to open and close the valve. It includes an opening valve locking mechanism 4 and a closing valve locking mechanism 5. The opening valve locking mechanism 4 is set in the valve cavity 1a area, and the valve plate 3 is locked by the insert plate of the opening valve locking mechanism 4 when it swings to the valve cavity 1a area. The closing valve locking mechanism 5 is set in the valve port 1b area, and the valve plate 3 is locked by the insert plate of the closing valve locking mechanism 5 when it swings to the valve port 1b area. This invention provides an opening locking mechanism 4 and a closing locking mechanism 5 in the valve chamber 1a and valve port 1b areas, respectively. When the valve plate 3 swings to the corresponding area, the corresponding locking mechanism can effectively lock the valve plate 3, ensuring that the valve plate 3 remains stable in the open or closed state, preventing the valve plate 3 from moving unexpectedly due to external vibration, pressure changes, or other factors, thereby improving the sealing performance and reliability of the swing valve, and ensuring the accuracy of fluid control.

[0018] like Figure 1As shown, a valve plate opening position detection unit 6, which is interlocked with the valve opening locking mechanism 4, is also provided in the valve chamber 1a area; a valve plate closing position detection unit 7, which is interlocked with the valve closing locking mechanism 5, is also provided in the valve port 1b area. This system can accurately detect whether the valve plate 3 has reached the predetermined opening or closing position. When the valve plate 3 reaches the correct position, the corresponding position detection unit sends a signal, triggering the locking action of the locking mechanism. This ensures that the valve plate 3 is firmly locked in the correct position, preventing locking failure due to the valve plate 3 not being fully in position, and further improving the accuracy and safety of the swing valve control.

[0019] The valve opening locking mechanism 4 and the valve closing locking mechanism 5 have the same structure and are both installed on the valve body 1. Figure 1 and Figure 2 As shown, the valve opening locking mechanism 4 or the valve closing locking mechanism 5 includes a locking plug 8, a connecting rod 9, and a locking drive part 10. The locking plug 8 is mounted on the locking drive part 10 via the connecting rod 9. The valve plate 3 has a locking hole 30 corresponding to the locking plug 8. The locking plug 8 is driven by the locking drive part 10 to insert and pull the outer shell penetrating the valve body 1 into the locking hole 30, thereby locking and unlocking the valve plate 3. This design makes the locking action more stable and reliable, with a large locking force, which can effectively cope with the pressure and impact under various working conditions and extend the service life of the swing valve. Preferably, the locking drive part 10 can be an electric push rod.

[0020] The outer shell of the valve body 1 has a through hole 11 for passing through the valve cavity 1a and for the locking plug 8 to pass through. The locking plug 8 is partially or completely inserted into the through hole 11, allowing the locking plug 8 to slide and seal the through hole 11. The through hole 11 of the outer shell of the valve body 1 allows the locking plug 8 to slide and seal, thereby ensuring that the sealing performance of the valve body 1 is not affected and preventing fluid leakage.

[0021] As a preferred embodiment, both the valve plate opening detection unit 6 and the valve plate closing detection unit 7 are limit switches, which have the advantages of simple structure, fast response speed and high reliability. The limit switches have a short trigger stroke and high sensitivity, ensuring the real-time performance and accuracy of valve control.

[0022] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A swing valve with an opening and closing valve locking mechanism, comprising a valve body (1), a swing shaft (2) and a valve plate (3), wherein the valve plate (3) swings and changes position between the valve chamber (1a) and the valve port (1b) of the valve body (1) following the swing shaft (2) to realize the opening and closing of the valve; Its features are: It includes an opening valve locking mechanism (4) and a closing valve locking mechanism (5); the opening valve locking mechanism (4) is set in the valve cavity (1a) area, and the valve plate (3) is locked by the insert plate of the opening valve locking mechanism (4) when it swings to the valve cavity (1a) area; the closing valve locking mechanism (5) is set in the valve port (1b) area, and the valve plate (3) is locked by the insert plate of the closing valve locking mechanism (5) when it swings to the valve port (1b) area.

2. A swing valve with an opening and closing valve locking mechanism according to claim 1, characterized in that: A valve plate valve opening position detection part (6) is also provided in the valve cavity (1a) area, which is interlocked with the valve opening locking mechanism (4); A valve plate valve closing detection part (7) is also provided in the corresponding valve port (1b) area, which is interlocked with the valve closing locking mechanism (5).

3. A swing valve with an opening and closing valve locking mechanism according to claim 2, characterized in that: The valve opening locking mechanism (4) and the valve closing locking mechanism (5) have the same structure and are both installed on the valve body (1).

4. A swing valve with an opening and closing valve locking mechanism according to claim 3, characterized in that: The valve opening locking mechanism (4) or the valve closing locking mechanism (5) includes a locking plug (8), a connecting rod (9) and a locking drive part (10), wherein the locking plug (8) is mounted on the locking drive part (10) via the connecting rod (9); The valve plate (3) has a locking hole (30) corresponding to the locking plug (8). The locking plug (8) is driven by the locking drive part (10) to insert and remove the outer shell that penetrates the valve body (1) relative to the locking hole (30).

5. A swing valve with an opening and closing valve locking mechanism according to claim 4, characterized in that: The outer shell of the valve body (1) has a through hole (11) for the valve cavity (1a) to allow the locking plug (8) to pass through. The locking plug (8) is partially or completely inserted into the through hole (11), so that the locking plug (8) slides and seals the through hole (11).

6. A swing valve with an opening and closing valve locking mechanism according to claim 4, characterized in that: Both the valve plate opening detection unit (6) and the valve plate closing detection unit (7) are limit switches.

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