Gas pipeline ball valve with anti-misoperation

Abstract

The utility model discloses a kind of gas pipeline ball valves of anti-misoperation, relate to gas pipeline ball valve field.The gas pipeline ball valve of anti-misoperation, including locking unit and ball valve unit.Ball valve unit contains valve core and the ball valve shell of sleeve joint its outer wall, locking unit is located above valve core, including valve stem, fixed plate, handle rod, handle rod bottom is provided with locking rod, locking rod one end is connected locking block, the other end is provided with spring between handle rod, two locking grooves are set in fixed plate edge, locking block is inserted in locking groove by spring elastic force, fixed handle rod.Locking groove bottom setting arc-shaped guide and the limiting block of fixed plate top, the accuracy of locking block insertion is guided jointly.The gas pipeline ball valve of anti-misoperation, reduces operating time, gives consideration to safety and convenience, adapts various users and emergency scene.

Description

Technical Field

[0001] This utility model relates to the field of gas pipeline ball valves, and in particular to a gas pipeline ball valve designed to prevent misoperation. Background Technology

[0002] As a clean energy source widely used in various scenarios, the gas pipeline ball valves that control the on / off state of gas in the transmission system are directly related to the safety of people's lives and property. Accidental contact by children, scratches from tools, and misoperation caused by vibration can easily lead to major accidents such as gas leaks.

[0003] While some gas pipeline ball valves currently on the market are equipped with basic anti-misoperation structures, they still have some design flaws. Most ball valves currently use simple pin-type locking or single-spring push-button locking. The former requires additional tools for unlocking, making operation cumbersome and prone to locking failure due to pin wear. The latter's push-button spring design is more difficult; if the spring force is too weak, it cannot withstand the force generated by accidental impacts, causing the locking block to disengage from the locking groove. If the spring force is too strong, a large external force is required for locking, increasing the difficulty of operation. Furthermore, most locking products have right-angled locking grooves without a guide structure, making it easy for the locking block to disengage but difficult to reinsert, requiring repeated angle adjustments. Based on this, we have designed a gas pipeline ball valve to prevent misoperation and solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a gas pipeline ball valve that prevents misoperation, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a gas pipeline ball valve for preventing misoperation, comprising a locking unit and a ball valve unit, wherein the ball valve unit comprises a valve core and a ball valve shell sleeved on the outer wall of the valve core, and the locking unit is disposed above the valve core;

[0006] The locking unit includes a valve stem, a fixed plate and a handle rod above the valve stem. The handle rod is used to drive the valve core to open and close. A locking rod is rotatably connected to the bottom center of the handle rod. A locking block is fixedly connected to one end of the locking rod near the fixed plate. A spring is fixedly connected between the other end of the locking rod and the handle rod. Two locking grooves with an included angle of 90 degrees are opened on the edge of the fixed plate. The locking block is inserted into the locking groove under the action of the spring force to fix the handle rod.

[0007] Preferably, the valve stem has a hexagonal hole at the top, and a hexagonal prism is fixedly connected to the inner wall of the hexagonal hole. The handle rod is fixedly sleeved on the top of the hexagonal prism, and the bottom of the locking groove is arc-shaped to assist the locking block in accurately inserting into the locking groove.

[0008] Preferably, the middle part of the locking rod is convex, and the convex part of the locking rod is rotatably connected to a pivot. The locking rod is rotatably connected to the handle rod through the pivot.

[0009] Preferably, both ends of the ball valve housing are fixedly connected to hexagonal connectors, and two sealing rings are fixedly connected to the inner wall of the ball valve housing, with the valve core located in the middle of the sealing rings.

[0010] Preferably, the valve core has a groove on its top, and a connecting rod is fixedly connected to the inner wall of the groove.

[0011] Preferably, a connector is fixedly connected to the outer wall of the connecting rod, and the valve stem penetrates the outer wall of the ball valve body and is fixedly connected to the connector inward.

[0012] Preferably, a support block is fixedly connected to the outer wall of the valve stem, the bottom of the support block is fixedly connected to the outer wall of the ball valve body, the fixing plate is fixedly connected to the top of the support block, and two limiting blocks are fixedly connected to the top of the fixing plate.

[0013] The technical effects and advantages of this utility model are as follows:

[0014] 1. The locking unit of this utility model has significant advantages in the core function of preventing misoperation. Through the lever-type locking rod and elastic return spring structure, the locking block and locking groove can be stably matched without additional tools. It can resist external forces such as accidental collision, scratch, and vibration, and solves the problems of cumbersome operation and easy failure of single spring in the existing pin type.

[0015] 2. This locking unit also has excellent structural stability. The double locking grooves with a 90-degree angle on the fixing plate, together with the limiting block, accurately cover the working conditions of the ball valve when it is fully open and fully closed. Combined with the arc-shaped guide structure at the bottom of the locking groove, it improves the accuracy of the locking block being inserted into the locking groove, avoiding the risk of gas leakage. The press-to-unlock and automatic locking design reduces operation time, taking into account both safety and convenience, and is suitable for various users and emergency scenarios. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the locking unit of this utility model;

[0018] Figure 3 This is a schematic diagram of the upper structure of the locking unit of this utility model;

[0019] Figure 4 This is a schematic diagram of the lower structure of the locking unit of this utility model;

[0020] Figure 5 This is a schematic diagram of the ball valve unit of this utility model.

[0021] In the diagram: 1. Locking unit; 11. Valve stem; 12. Fixing plate; 13. Handle rod; 14. Locking rod; 15. Locking block; 16. Spring; 17. Locking groove; 18. Hexagonal hole; 19. Hexagonal prism; 110. Rotating shaft; 111. Connecting piece; 112. Support block; 113. Limiting block; 2. Ball valve unit; 21. Valve core; 22. Ball valve body; 23. Hexagonal connector; 24. Sealing ring; 25. Connecting rod. Detailed Implementation

[0022] 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.

[0023] This utility model provides, for example Figures 1-3 The diagram shows a gas pipeline ball valve designed to prevent misoperation, comprising a locking unit 1 and a ball valve unit 2. The ball valve unit 2 includes a valve core 21 and a ball valve shell 22 sleeved on the outer wall of the valve core 21. The locking unit 1 is positioned above the valve core 21 and includes a valve stem 11. A fixing plate 12 and a handle 13 are positioned above the valve stem 11. A hexagonal hole 18 is formed at the top of the valve stem 11, and a hexagonal prism 19 is fixedly connected to the inner wall of the hexagonal hole 18. The handle 13 is fixedly sleeved on the top of the hexagonal prism 19 and is used to drive the opening and closing of the valve core 21. A locking rod 14 is rotatably connected to the bottom center of the handle 13. The middle part of 4 is convex. The convex part of the locking rod 14 is rotatably connected to the rotating shaft 110. The locking rod 14 is rotatably connected to the handle rod 13 through the rotating shaft 110. A locking block 15 is fixedly connected to one end of the locking rod 14 near the fixing plate 12. A spring 16 is fixedly connected between the other end of the locking rod 14 and the handle rod 13. Two locking grooves 17 with a 90-degree included angle are opened on the edge of the fixing plate 12. The bottom of the locking groove 17 is arc-shaped to help the locking block 15 to be accurately inserted into the locking groove 17. Under the action of the spring force of the spring 16, the locking block 15 is inserted into the locking groove 17 to fix the handle rod 13.

[0024] like Figures 4-5As shown, as a technical optimization of this utility model, hexagonal connectors 23 are fixedly connected to both ends of the ball valve shell 22. Two sealing rings 24 are fixedly connected to the inner wall of the ball valve shell 22. The valve core 21 is located in the middle of the sealing rings 24. A groove is opened on the top of the valve core 21. A connecting rod 25 is fixedly connected to the inner wall of the groove. A connector 111 is fixedly connected to the outer wall of the connecting rod 25. The valve stem 11 passes through the outer wall of the ball valve shell 22 and is fixedly connected to the connector 111 inward. A support block 112 is fixedly connected to the outer wall of the valve stem 11. The bottom of the support block 112 is fixedly connected to the outer wall of the ball valve shell 22. A fixing plate 12 is fixedly connected to the top of the support block 112. Two limiting blocks 113 are fixedly connected to the top of the fixing plate 12. The double locking groove 17 with a 90-degree angle on the fixing plate 12 cooperates with the limiting blocks 113 to accurately cover the working conditions of the ball valve being fully open and fully closed, thereby improving the accuracy of the locking block 15 being inserted into the locking groove 17.

[0025] The initial state of the anti-misoperation gas pipeline ball valve is that the ball valve is closed and the locking unit 1 is locked. At this time, the handle rod 13 is perpendicular to the pipeline, and the locking block 15 is inserted into the locking groove 17 at the fully closed end of the ball valve under the elastic force of the spring 16. When opening, you need to hold the handle rod 13 and the spring 16 end of the locking rod 14 and press them down. While keeping the pressing down, rotate the handle rod 13 until it is parallel to the gas pipeline or determine the rotation distance through the limit block 113 until the locking block 15 is aligned with the locking groove 17. Then release the spring 16. Under the reset of the spring 16 and the arc-shaped guidance of the locking groove 17, the locking block 15 is inserted into the locking groove 17 at the fully open end, realizing the full opening and fixation of the gas pipeline ball valve.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A gas pipeline ball valve for preventing misoperation, comprising a locking unit (1) and a ball valve unit (2), characterized in that, The ball valve unit (2) includes a valve core (21) and a ball valve shell (22) sleeved on the outer wall of the valve core (21), and the locking unit (1) is disposed above the valve core (21); The locking unit (1) includes a valve stem (11), a fixing plate (12) and a handle rod (13) are provided above the valve stem (11). The handle rod (13) is used to drive the valve core (21) to open and close. A locking rod (14) is rotatably connected to the bottom middle of the handle rod (13). A locking block (15) is fixedly connected to one end of the locking rod (14) near the fixing plate (12). A spring (16) is fixedly connected between the other end of the locking rod (14) and the handle rod (13). Two locking grooves (17) with a 90-degree included angle are opened on the edge of the fixing plate (12). The locking block (15) is inserted into the locking groove (17) under the action of the spring force of the spring (16) to fix the handle rod (13).

2. The gas pipeline ball valve for preventing misoperation according to claim 1, characterized in that, The valve stem (11) has a hexagonal hole (18) at the top, and a hexagonal prism (19) is fixedly connected to the inner wall of the hexagonal hole (18). The handle rod (13) is fixedly sleeved on the top of the hexagonal prism (19). The bottom of the locking groove (17) is set to be arc-shaped to assist the locking block (15) in accurately inserting into the locking groove (17).

3. The gas pipeline ball valve for preventing misoperation according to claim 1, characterized in that, The middle part of the locking rod (14) is convex, and the convex part of the locking rod (14) is rotatably connected to the rotating shaft (110). The locking rod (14) is rotatably connected to the handle rod (13) through the rotating shaft (110).

4. A gas pipeline ball valve for preventing misoperation according to claim 1, characterized in that, The ball valve housing (22) is fixedly connected to two hexagonal connectors (23) at both ends, and two sealing rings (24) are fixedly connected to the inner wall of the ball valve housing (22). The valve core (21) is located in the middle of the sealing rings (24).

5. A gas pipeline ball valve for preventing misoperation according to claim 1, characterized in that, The valve core (21) has a groove on its top, and a connecting rod (25) is fixedly connected to the inner wall of the groove.

6. A gas pipeline ball valve for preventing misoperation according to claim 5, characterized in that, The connecting rod (25) is fixedly connected to the outer wall of the connecting piece (111), and the valve stem (11) passes through the outer wall of the ball valve shell (22) and is fixedly connected to the connecting piece (111) inward.

7. A gas pipeline ball valve for preventing misoperation according to claim 1, characterized in that, The valve stem (11) is fixedly connected to a support block (112) on its outer wall. The bottom of the support block (112) is fixedly connected to the outer wall of the ball valve shell (22). The fixing plate (12) is fixedly connected to the top of the support block (112). The top of the fixing plate (12) is fixedly connected to two limiting blocks (113).

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