Valve positioner protection mechanism

Abstract

The utility model discloses a valve positioner protection mechanism which comprises a valve positioner body, a protection shell is movably connected to the top of the surface of the valve positioner body, a top plate is movably connected to the top of the protection shell, and top sealing mechanisms are fixedly connected to the left side and the right side of the top plate. And mounting mechanisms are fixedly connected to the bottoms of the front side and the rear side of the protective shell. By arranging the protective shell and the top plate, the valve positioner body can be covered and shielded, so that collision with the outside can be avoided, and the problems that an existing valve positioner is installed and used at the pipeline connecting position, the outer side of the valve positioner is not provided with a protective structure, and the valve positioner cannot be damaged during use are solved. The problems that in the prior art, when collision occurs, internal elements are prone to damage, regular maintenance is needed, and the operation is troublesome are solved, and the effect of facilitating protection is achieved.

Description

Technical Field

[0001] This utility model relates to the field of valve positioner technology, specifically a valve positioner protection mechanism. Background Technology

[0002] Valve positioners are key accessories for control valves, typically used in conjunction with pneumatic control valves. Valve positioners increase the output power of control valves, reduce signal transmission lag, accelerate valve stem movement, improve valve linearity, overcome stem friction, and eliminate unbalanced forces, thus ensuring correct valve positioning. Existing valve positioners are installed at pipe connections; however, due to the lack of external protection and the vulnerability of internal components to damage during impacts, regular maintenance is required, which is quite inconvenient. Utility Model Content

[0003] To address the problems mentioned in the background art, the purpose of this utility model is to provide a valve positioner protection mechanism that has the advantage of easy protection. It solves the problem that existing valve positioners are installed and used at pipe connections, but because they do not have a protective structure on the outside, and their internal components are easily damaged when a collision occurs during use, they require regular maintenance, which is quite troublesome.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a valve positioner protection mechanism, comprising a valve positioner body, a protective shell movably connected to the top of the valve positioner body, a top plate movably connected to the top of the protective shell, a sealing mechanism fixedly connected to the left and right sides of the top plate, and an installation mechanism fixedly connected to the bottom of the front and rear sides of the protective shell.

[0005] As a preferred embodiment of this utility model, the capping mechanism includes a first support plate, and a second support plate is fixedly connected to the top of the left and right sides of the protective shell. A rotating rod is provided on the top of the first support plate, and one end of the rotating rod near the valve positioner body passes through the first support plate and the second support plate in sequence and extends to the bottom of the second support plate. The rotating rod is threadedly connected to the first support plate and the second support plate.

[0006] In a preferred embodiment of this utility model, the mounting mechanism includes a first mounting member, the inner wall of which is movably connected to the top of the valve positioner body surface. A second mounting member is movably connected to both the front and rear sides of the bottom of the valve positioner body surface. A positioning bolt is provided on the top of the first mounting member. The end of the positioning bolt near the second mounting member passes through the first and second mounting members in sequence and extends to the bottom of the second mounting member. The positioning bolt is threadedly connected to the first and second mounting members.

[0007] As a preferred embodiment of this utility model, each of the four corners of the bottom of the top plate is fixedly connected with a telescopic spring, and the other end of each of the four telescopic springs is fixedly connected with a pressure plate, which is located at the top of the valve positioner body.

[0008] As a preferred embodiment of this utility model, high-density sponges are fixedly connected to the bottom of the left and right sides of the inner wall of the protective shell. The inner side of the high-density sponge has an adaptation groove, and the adaptation groove has several cuts that are evenly distributed.

[0009] As a preferred embodiment of this utility model, telescopic rods are fixedly connected to the four corners of the bottom of the top plate, the other end of the telescopic rods is fixedly connected to the top of the pressure plate, the surface of the telescopic rods is movably connected to the inner wall of the telescopic spring, and a protective pad is fixedly connected to the bottom of the pressure plate, the bottom of the protective pad being in contact with the top of the valve positioner body.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] 1. This utility model, by setting a protective shell and a top plate, can cover and shield the valve positioner body, thereby preventing collisions with the outside world. It solves the problem that existing valve positioners are installed and used at pipe connections, but because they do not have a protective structure on the outside, and their internal components are easily damaged when a collision occurs during use, they require regular maintenance, which is quite troublesome. This invention achieves the effect of convenient protection.

[0012] 2. By setting a capping mechanism, the rotating rod can fix and limit the first and second support plates. The fixing and limiting of the first and second support plates can fix and limit the top plate and the protective shell. By rotating the rotating rod, the user can easily disassemble the top plate and the pressure plate.

[0013] 3. By setting up an installation mechanism, the positioning bolts can fix and limit the first and second mounting parts, and the fixing and limiting of the first and second mounting parts can position the protective shell. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional exploded structure of this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the telescopic rod and telescopic spring of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the protective shell and the first mounting component of this utility model;

[0018] Figure 5 This is a schematic diagram of the three-dimensional structure of the high-density sponge of this utility model.

[0019] In the diagram: 1. Valve positioner body; 2. Protective shell; 3. Top plate; 4. Sealing mechanism; 41. First support plate; 42. Second support plate; 43. Rotary rod; 5. Installation mechanism; 51. First mounting component; 52. Second mounting component; 53. Positioning bolt; 6. Telescopic spring; 7. Pressure plate; 8. High-density sponge; 9. Adaptation groove; 10. Telescopic rod; 11. Protective pad. Detailed Implementation

[0020] 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.

[0021] like Figures 1 to 5 As shown, the present invention provides a valve positioner protection mechanism, including a valve positioner body 1, a protective shell 2 movably connected to the top of the surface of the valve positioner body 1, a top plate 3 movably connected to the top of the protective shell 2, a sealing mechanism 4 fixedly connected to the left and right sides of the top plate 3, and an installation mechanism 5 fixedly connected to the bottom of the front and rear sides of the protective shell 2.

[0022] refer to Figure 1 The capping mechanism 4 includes a first support plate 41. The top of the left and right sides of the protective shell 2 are fixedly connected to a second support plate 42. A rotating rod 43 is provided on the top of the first support plate 41. The end of the rotating rod 43 near the valve positioner body 1 passes through the first support plate 41 and the second support plate 42 in sequence and extends to the bottom of the second support plate 42. The rotating rod 43 is threadedly connected to the first support plate 41 and the second support plate 42.

[0023] As a technical optimization of this utility model, by setting a capping mechanism 4, the rotating rod 43 can fix and limit the first support plate 41 and the second support plate 42. The fixation and limitation of the first support plate 41 and the second support plate 42 can fix and limit the top plate 3 and the protective shell 2. By rotating the rotating rod 43, it is convenient for the user to disassemble the top plate 3 and the pressure plate 7.

[0024] refer to Figure 1The mounting mechanism 5 includes a first mounting member 51. The inner wall of the first mounting member 51 is movably connected to the top of the surface of the valve positioner body 1. The front and rear sides of the bottom of the surface of the valve positioner body 1 are movably connected to second mounting members 52. A positioning bolt 53 is provided on the top of the first mounting member 51. The end of the positioning bolt 53 near the second mounting member 52 passes through the first mounting member 51 and the second mounting member 52 in sequence and extends to the bottom of the second mounting member 52. The positioning bolt 53 is threadedly connected to the first mounting member 51 and the second mounting member 52.

[0025] As a technical optimization of this utility model, by setting up the installation mechanism 5, the positioning bolt 53 can fix and limit the first mounting part 51 and the second mounting part 52, and the fixing and limiting of the first mounting part 51 and the second mounting part 52 can position the protective shell 2.

[0026] refer to Figure 3 Each of the four corners of the bottom of the top plate 3 is fixedly connected with a telescopic spring 6, and the other end of the four telescopic springs 6 is fixedly connected with a pressure plate 7, which is located on the top of the valve positioner body 1.

[0027] As a technical optimization of this utility model, by setting a telescopic spring 6 and a pressure plate 7, the elasticity of the telescopic spring 6 can push the pressure plate 7 to fit against the top of the valve positioner body 1, thereby providing protection for valve positioner bodies 1 of different specifications.

[0028] refer to Figure 5 High-density sponge 8 is fixedly connected to the bottom of the left and right sides of the inner wall of the protective shell 2. The inner side of the high-density sponge 8 has an adaptation groove 9, and the adaptation groove 9 has several cuts that are evenly distributed.

[0029] As a technical optimization of this utility model, by setting high-density sponge 8 and adaptation groove 9, the high-density sponge 8 can seal the gap between the protective shell 2 and the valve positioner body 1, thereby improving the protective effect. The adaptation groove 9 improves the extensibility of the high-density sponge 8, making the high-density sponge 8 suitable for valve positioner bodies 1 with more shapes.

[0030] refer to Figure 3 Telescopic rods 10 are fixedly connected to the four corners of the bottom of the top plate 3. The other end of the telescopic rod 10 is fixedly connected to the top of the pressure plate 7. The surface of the telescopic rod 10 is movably connected to the inner wall of the telescopic spring 6. A protective pad 11 is fixedly connected to the bottom of the pressure plate 7. The bottom of the protective pad 11 is in contact with the top of the valve positioner body 1.

[0031] As a technical optimization of this utility model, by setting the telescopic rod 10 and the protective pad 11, the telescopic rod 10 can limit the telescopic spring 6, thereby preventing the telescopic spring 6 from twisting, and the protective pad 11 can prevent the pressure plate 7 from having hard friction with the top of the valve positioner body 1.

[0032] The working principle and usage process of this utility model are as follows: In use, the protective shell 2 is first placed on top of the valve positioner body 1. At this time, the inner wall of the first mounting part 51 is in contact with the top surface of the valve positioner body 1. Then, the second mounting part 52 is moved to the bottom of the valve positioner body 1 and the first mounting part 51. Then, the first mounting part 51 and the second mounting part 52 are fixed with the positioning bolt 53. At this time, the high-density sponge 8 can seal the gap between the protective shell 2 and the valve positioner body 1, improving the protective effect. Then, the top plate 3 is moved so that the bottom of the protective pad 11 is in contact with the top of the valve positioner body 1. Then, the top plate 3 is pressed down so that the bottom of the top plate 3 is in contact with the top of the protective shell 2. At this time, the telescopic spring 6 and the telescopic rod 10 can extend and retract according to the height of the valve positioner body 1 of different specifications, with good adaptability. Finally, the first support plate 41 and the second support plate 42 are fixed with the rotating rod 43 to fix the top plate 3 and complete the installation. The protective shell 2, the top plate 3, the pressure plate 7 and the high-density sponge 8 provide good protection.

[0033] In summary, this valve positioner protection mechanism, by setting up a protective shell 2 and a top plate 3, can cover and shield the valve positioner body 1, thereby preventing collisions with the outside world. This solves the problem that existing valve positioners installed at pipe connections lack external protective structures and are prone to damage to their internal components during use when collisions occur, thus requiring regular maintenance, which is quite troublesome.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly 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 valve positioner protection mechanism, comprising a valve positioner body (1), characterized in that: A protective shell (2) is movably connected to the top of the valve positioner body (1). A top plate (3) is movably connected to the top of the protective shell (2). A sealing mechanism (4) is fixedly connected to the left and right sides of the top plate (3). An installation mechanism (5) is fixedly connected to the bottom of the front and rear sides of the protective shell (2).

2. The valve positioner protection mechanism according to claim 1, characterized in that: The capping mechanism (4) includes a first support plate (41). The top of the left and right sides of the protective shell (2) are fixedly connected to a second support plate (42). The top of the first support plate (41) is provided with a rotating rod (43). The end of the rotating rod (43) near the valve positioner body (1) passes through the first support plate (41) and the second support plate (42) in sequence and extends to the bottom of the second support plate (42). The rotating rod (43) is threadedly connected to the first support plate (41) and the second support plate (42).

3. The valve positioner protection mechanism according to claim 1, characterized in that: The mounting mechanism (5) includes a first mounting member (51), the inner wall of which is movably connected to the top of the surface of the valve positioner body (1). The front and rear sides of the bottom of the valve positioner body (1) are movably connected to a second mounting member (52). A positioning bolt (53) is provided on the top of the first mounting member (51). The end of the positioning bolt (53) near the second mounting member (52) passes through the first mounting member (51) and the second mounting member (52) in sequence and extends to the bottom of the second mounting member (52). The positioning bolt (53) is threadedly connected to the first mounting member (51) and the second mounting member (52).

4. The valve positioner protection mechanism according to claim 1, characterized in that: The top plate (3) has four fixedly connected telescopic springs (6) at its bottom corners, and the other ends of the four telescopic springs (6) are fixedly connected to pressure plates (7). The pressure plates (7) are located on the top of the valve positioner body (1).

5. The valve positioner protection mechanism according to claim 1, characterized in that: High-density sponge (8) is fixedly connected to the bottom of the left and right sides of the inner wall of the protective shell (2). The inner side of the high-density sponge (8) has an adaptation groove (9), and the adaptation groove (9) has several cuts that are evenly distributed.

6. A valve positioner protection mechanism according to claim 4, characterized in that: Telescopic rods (10) are fixedly connected to the four corners of the bottom of the top plate (3). The other end of the telescopic rod (10) is fixedly connected to the top of the pressure plate (7). The surface of the telescopic rod (10) is movably connected to the inner wall of the telescopic spring (6). A protective pad (11) is fixedly connected to the bottom of the pressure plate (7). The bottom of the protective pad (11) is in contact with the top of the valve positioner body (1).

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