High-stability metallurgical valve structure

Abstract

The utility model discloses a high-stability metallurgical valve structure which comprises a valve body, the top of the valve body is rotationally connected with an operating handle, a limiting mechanism used for preventing the operating handle from accidentally rotating is arranged on the valve body, the limiting mechanism comprises a bearing plate and a limiting plate, and the limiting plate is used for locking the position of the operating handle. And the positioning rod is arranged on the side of the limiting plate in a sliding mode. The bearing plate, the operating handle, the limiting plate, the positioning rod and the fixing frame are matched with one another, the limiting plate slides on the bearing plate, the limiting plate limits the relative positions of the bearing plate and the operating handle, the positioning rod slides on the fixing frame, and the positioning rod limits the relative positions of the bearing plate and the limiting plate; and therefore, limiting protection on the operating handle is facilitated, accidental rotation of the operating handle is prevented, and the using stability of the valve body is improved.

Description

Technical Field

[0001] The utility model relates to the field of metallurgical valves, in particular to a metallurgical valve structure with high stability. Background Art

[0002] Metallurgy usually refers to the smelting and processing of metals. Metallurgical valves are used in some metallurgical operations. There are various types of metallurgical valves, including butterfly valves, ball valves and gate valves, among which butterfly valves include manual butterfly valves and automatic butterfly valves.

[0003] When the manual butterfly valve is in use, a rotating handle is provided on the manual butterfly valve. The rotating handle can rotate the components inside the butterfly valve, thereby opening and closing the butterfly valve.

[0004] During metallurgical operations, when metallurgical equipment and workpieces need to be transported, if they pass by the location of the butterfly valve, there is a situation where the workers do not notice the distance between the transported items and the butterfly valve, and then push the handle, causing the butterfly valve to open accidentally, affecting some processing operations. It is not convenient to limit the handle of the butterfly valve after closing the butterfly valve, which has certain limitations. Utility Model Content

[0005] The purpose of the utility model is to provide a metallurgical valve structure with high stability to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a metallurgical valve structure with high stability, comprising:

[0007] A valve body, the top of which is rotatably connected to an operating handle;

[0008] The valve body is provided with a limiting mechanism for preventing the operating handle from accidentally rotating, and the limiting mechanism comprises:

[0009] A bearing plate and a limit plate, wherein the bearing plate is located outside the valve body, the limit plate is slidably arranged on the bearing plate, and the limit plate is used to lock the position of the operating handle to protect the operating handle from rotation;

[0010] A positioning rod and a fixing frame, wherein the positioning rod is slidably arranged on the side of the limiting plate, the fixing frame is located on the side of the bearing plate, the positioning rod is used to lock the position of the limiting plate, and the fixing frame is used to support the horizontal sliding of the positioning rod.

[0011] Preferably, the bottom end of the supporting plate is fixedly connected to a mounting plate, the side of the mounting plate is threadedly inserted with a mounting bolt, one end of the mounting bolt is threadedly inserted with the valve body, a first slide groove is provided at the top end of the supporting plate, and the limit plate is slidably inserted with the inner cavity of the first slide groove.

[0012] Preferably, a limiting groove is provided at the bottom of the operating handle, and an anti-dropping frame for limiting the sliding position of the limiting plate is fixedly inserted and connected to the outside of the limiting plate, and the limiting plate is slidably inserted and connected to the inner cavity of the limiting groove.

[0013] Preferably, the side of the fixed frame is fixedly connected to the supporting plate, a second slide groove is opened on the side of the supporting plate, a positioning groove is opened on the side of the limiting plate, the positioning rod is slidably and interlacedly connected with the second slide groove and the inner cavity of the positioning groove, and the outer wall of the positioning rod is slidably and interlacedly connected with the side of the fixed frame.

[0014] Preferably, the sides of the fixed frame are symmetrically fixedly and interlaced with fixed rods, the sides of the positioning rods are fixedly connected with movable plates for driving the positioning rods to slide horizontally, and the outer walls of the fixed rods are slidably and interlaced with the movable plates.

[0015] Preferably, the outer wall of the fixing rod is sleeved with a spring for driving the movable plate to slide horizontally, one end of the spring is fixedly connected to the movable plate, and the other end of the spring is fixedly connected to the inner wall of the fixing frame.

[0016] Technical effects and advantages of the utility model:

[0017] The utility model utilizes the mutual cooperation of the bearing plate, the operating handle, the limit plate, the positioning rod and the fixed frame. The limit plate slides on the bearing plate, the limit plate limits the relative position of the bearing plate and the operating handle, the positioning rod slides on the fixed frame, the positioning rod limits the relative position of the bearing plate and the limit plate, which is beneficial to limit the operating handle and prevent the operating handle from rotating accidentally, so as to increase the stability of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a front sectional structural schematic diagram of the utility model.

[0020] Figure 3 It is a schematic diagram of the top cross-sectional structure of the fixed frame of the utility model.

[0021] In the figure: 1. valve body; 2. operating handle; 3. limit mechanism; 31. bearing plate; 32. limit plate; 33. positioning rod; 34. fixing frame; 35. fixing rod; 36. spring; 37. moving plate; 38. anti-slip frame; 4. mounting plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-3 A high-stability metallurgical valve structure shown includes a valve body 1, and an operating handle 2 is rotatably connected to the top of the valve body 1.

[0024] Furthermore, a limiting mechanism 3 for preventing the operating handle 2 from accidentally rotating is provided on the valve body 1. The limiting mechanism 3 includes a bearing plate 31 and a limiting plate 32. The bearing plate 31 is conducive to the limiting plate 32 sliding thereon, which is convenient for sliding support of the limiting plate 32. The limiting plate 32 is conducive to limiting the relative position of the bearing plate 31 and the operating handle 2, thereby facilitating protection of the operating handle 2 from accidental rotation, and facilitating increasing the stability of the valve body 1 during use. The bearing plate 31 is located outside the valve body 1, and the limiting plate 32 is slidably arranged on the bearing plate 31. The limiting plate 32 is used to lock the position of the operating handle 2 to protect the operating handle 2 from rotation. The positioning rod 33 and the fixing frame 34, the positioning rod 33 is conducive to limiting the relative position of the limiting plate 32 and the bearing plate 31, thereby facilitating limiting the position of the limiting plate 32, avoiding arbitrary rotation of the limiting plate 32, and facilitating increasing the stability of the limiting plate 32 The fixing frame 34 is conducive to the sliding of the positioning rod 33 thereon, which is convenient for supporting the positioning rod 33 in a sliding manner. The positioning rod 33 is slidably arranged on the side of the limit plate 32, and the fixing frame 34 is located on the side of the carrying plate 31. The positioning rod 33 is used to lock the position of the limit plate 32, and the fixing frame 34 is used to support the horizontal sliding of the positioning rod 33. When it is necessary to use the operating handle 2, the positioning rod 33 is first pulled to make the positioning rod 33 drive the moving plate 37 to move, so that the moving plate 37 slides on the fixing rod 35, and the moving plate 37 compresses the spring 36, and the spring 36 generates an elastic force on the moving plate 37, and then the positioning rod 33 slides on the fixing frame 34, and the positioning rod 33 is disengaged from the limit plate 32. At this time, the position limit of the limit plate 32 is released, and then the limit plate 32 is pulled to make the limit plate 32 disengaged from the operating handle 2. At this time, the position limit of the operating handle 2 is released, and then the operating handle 2 can be rotated.

[0025] Specifically, the bottom end of the supporting plate 31 is fixedly connected with the mounting plate 4. The mounting plate 4 and the mounting bolts are conducive to the installation and disassembly of the supporting plate 31, and are convenient for using the supporting plate 31 according to needs and convenient for operation. The side of the mounting plate 4 is threadedly inserted with the mounting bolts, and one end of the mounting bolts is threadedly inserted with the valve body 1. A first slide groove is opened at the top end of the supporting plate 31, and the limit plate 32 is slidably inserted with the inner cavity of the first slide groove.

[0026] Specifically, a limiting groove is provided at the bottom of the operating handle 2, and the outside of the limiting plate 32 is fixedly inserted and connected with an anti-slip frame 38 for limiting the sliding position of the limiting plate 32, which is beneficial to limiting the sliding of the limiting plate 32 and preventing the limiting plate 32 from being separated from the supporting plate 31 at will. The limiting plate 32 is slidably inserted and connected with the inner cavity of the limiting groove.

[0027] More specifically, the side of the fixed frame 34 is fixedly connected to the carrying plate 31, the side of the carrying plate 31 is provided with a second slide groove, the side of the limit plate 32 is provided with a positioning groove, the positioning rod 33 is slidably inserted and connected with the inner cavity of the second slide groove and the positioning groove, the outer wall of the positioning rod 33 is slidably inserted and connected with the side of the fixed frame 34, and the side of the fixed frame 34 is symmetrically fixedly inserted and connected with a fixing rod 35, which is conducive to guiding the sliding of the movable plate 37 and the deformation of the spring 36. The side of the positioning rod 33 is fixedly connected with a The movable plate 37 is conducive to driving the positioning rod 33 to move, which is convenient for operating the positioning rod 33. The outer wall of the fixed rod 35 is slidably and interlacedly connected with the movable plate 37. The outer wall of the fixed rod 35 is provided with a spring 36 for driving the movable plate 37 to slide horizontally. The elastic force of the spring 36 is conducive to pushing the movable plate 37 to move, which is convenient for the movable plate 37 to return to its original position after movement, and is convenient for repeated operation of the movable plate 37 and the positioning rod 33. One end of the spring 36 is fixedly connected to the movable plate 37, and the other end of the spring 36 is fixedly connected to the inner wall of the fixed frame 34.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-stability metallurgical valve structure, comprising: A valve body (1), the top of which is rotatably connected to an operating handle (2); The valve body (1) is characterized in that a limiting mechanism (3) is provided on the valve body (1) for preventing the operating handle (2) from accidentally rotating, and the limiting mechanism (3) comprises: a bearing plate (31) and a limiting plate (32), wherein the bearing plate (31) is located outside the valve body (1), the limiting plate (32) is slidably arranged on the bearing plate (31), and the limiting plate (32) is used to lock the position of the operating handle (2) to protect the operating handle (2) from rotation; A positioning rod (33) and a fixing frame (34), wherein the positioning rod (33) is slidably arranged on the side of the limiting plate (32), and the fixing frame (34) is located on the side of the bearing plate (31), the positioning rod (33) is used to lock the position of the limiting plate (32), and the fixing frame (34) is used to support the horizontal sliding of the positioning rod (33).

2. A metallurgical valve structure with high stability according to claim 1, characterized in that: The bottom end of the bearing plate (31) is fixedly connected to a mounting plate (4), a mounting bolt is threadedly inserted into the side of the mounting plate (4), one end of the mounting bolt is threadedly inserted into the valve body (1), a first sliding groove is formed at the top end of the bearing plate (31), and the limit plate (32) is slidably inserted into the inner cavity of the first sliding groove.

3. A metallurgical valve structure with high stability according to claim 1, characterized in that: A limiting groove is provided at the bottom of the operating handle (2); an anti-drop frame (38) for limiting the sliding position of the limiting plate (32) is fixedly inserted and connected to the outside of the limiting plate (32); the limiting plate (32) is slidably inserted and connected to the inner cavity of the limiting groove.

4. A metallurgical valve structure with high stability according to claim 1, characterized in that: The side of the fixed frame (34) is fixedly connected to the bearing plate (31), the side of the bearing plate (31) is provided with a second sliding groove, the side of the limit plate (32) is provided with a positioning groove, the positioning rod (33) is slidably connected with the second sliding groove and the inner cavity of the positioning groove, and the outer wall of the positioning rod (33) is slidably connected with the side of the fixed frame (34).

5. A metallurgical valve structure with high stability according to claim 1, characterized in that: The sides of the fixed frame (34) are symmetrically fixedly connected with fixed rods (35), the sides of the positioning rods (33) are fixedly connected with movable plates (37) for driving the positioning rods (33) to slide horizontally, and the outer walls of the fixed rods (35) are slidably connected with the movable plates (37).

6. A metallurgical valve structure with high stability according to claim 5, characterized in that: The outer wall of the fixed rod (35) is sleeved with a spring (36) for driving the movable plate (37) to slide horizontally, one end of the spring (36) is fixedly connected to the movable plate (37), and the other end of the spring (36) is fixedly connected to the inner wall of the fixed frame (34).

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