High-pressure-resistant spheroidal graphite valve body
By introducing a screw, nut pair and brush structure into the high-pressure resistant spherical graphite valve body, the problem of filter clogging is solved, automatic cleaning of the filter and precise control of the ball valve are achieved, ensuring smooth fluid flow and improving the operating stability and efficiency of the system.
Patent Information
- Application Number
- CN202422830850.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In existing high-pressure resistant spherical graphite valve bodies, the filter screen is easily clogged by solid particles and impurities during use, resulting in obstruction of fluid flow and failure to clean it in time, affecting system efficiency.
A structure with a screw, a nut pair, an external brush and an internal brush was designed. The nut pair and the fixed plate are moved by rotating the screw, and the brush is extended and retracted by a spring to achieve automatic cleaning of the filter. The rotation angle of the ball valve is limited by a limit assembly to ensure precise control of the flow.
It can clean the filter in time during the fluid flow process to prevent blockage and ensure smooth flow, and can accurately control the switch state of the ball valve to improve the operating stability and efficiency of the system.
Smart Images
Figure CN223359967U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of valves, in particular to a high-pressure resistant spherical graphite valve body. Background Art
[0002] A ball valve is a valve whose internal structure consists of a sphere with a hole. When the valve is closed, the ball rotates to align the hole with the pipe, preventing fluid from passing through. When the valve is open, the ball rotates to align the hole with the pipe, allowing fluid to pass through. Ball valves are widely used in pipeline systems. They can be opened and closed quickly and have low fluid resistance. They are commonly used fluid control devices.
[0003] In the high-pressure ductile iron valve body, a built-in filter structure can be designed by using a filter screen to filter the liquid. The filter screen is made of high-strength corrosion-resistant material and has a specific pore size to effectively intercept solid particles and impurities in the liquid. When the liquid flows through the valve body, the filter screen will capture larger particles, thereby ensuring that the purified fluid enters the downstream pipeline. The filter screen can be designed to be fixed or detachable. The latter is easy to clean and replace to maintain the filtering effect and extend the service life.
[0004] As time goes by, the filter may be clogged by solid particles and impurities, which will affect the flow of the fluid, resulting in a drop in pressure or a decrease in system efficiency. The filter can no longer be cleaned during the transmission process. To address the above problems, a high-pressure resistant spherical graphite valve body is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a high-pressure resistant spherical graphite valve body, which solves the problem in the background art that the filter screen cannot be cleaned during the transmission process.
[0006] To achieve the above-mentioned object, the utility model provides the following technical solution: a high-pressure resistant ductile iron valve body, comprising a valve body, wherein one side of the top of the valve body passes through and is slidably connected to an upper fixing ring, both sides of the upper fixing ring are fixedly connected to fixing blocks, and the fixing blocks are fixedly connected to both sides of the outer ring of the valve body, the top of the fixing block is threadedly connected to a bolt, and the inner wall of the upper fixing ring is provided with a filter screen, a screw rod passes through and is rotatably connected to the middle side of the top of the valve body, a trapezoidal sealing ring is fixedly connected to the top of the outer ring of the screw rod, a nut pair is threadedly connected to the bottom of the outer ring of the screw rod, a fixing plate is fixedly connected to one side of the nut pair, and a slider is passed through one side of the fixing plate and is slidably connected to one side of the fixing plate, an external brush is fixedly connected to one side of the slider, an internal brush is slidably connected between the external brushes, both ends of the internal brush are fixedly connected to a spring, and one end of the spring is fixedly connected to the inner wall of the external brush, a middle fixing ring is fixedly connected to the middle of the outer ring of the valve body, the top of the middle fixing ring is fixedly connected to a high-pressure resistant shell, and a limit assembly is provided on the top of the high-pressure resistant shell.
[0007] By adopting the above technical solution, the nut pair can be moved up and down by rotating the screw rod. During the up and down movement of the nut pair, the external brush expands and contracts according to the size of the pipe in the valve body. The external brush is moved to the internal brush by the spring, and is centered on the internal brush, so that the filter can be cleaned to prevent blockage.
[0008] As a further description of the above technical solution: the limiting assembly includes a second rotating shaft, the second rotating shaft is rotatably connected to one end of the top of the high-pressure resistant shell, the outer ring of the second rotating shaft is fixedly connected to a turntable, the top of the second rotating shaft is fixedly connected to a second rotating handle, the top of the turntable is fixedly connected to a connecting rod, and the bottom of the connecting rod is fixedly connected to a limiting rod.
[0009] By adopting the above technical solution, the first rotating shaft can be limited by the cooperation between the limiting rod and the limiting block.
[0010] As a further description of the above technical solution: a first rotating shaft passes through and is rotatably connected to the other end of the top of the high-pressure resistant shell, and the outer ring of the first rotating shaft passes through and is rotatably connected to the valve body.
[0011] By adopting the above technical solution, the rotation of the first rotating shaft can drive the valve body to rotate.
[0012] As a further description of the above technical solution: the outer ring of the first rotating shaft is fixedly connected to the limiting block, and the top of the first rotating shaft is fixedly connected to the observation rod.
[0013] By adopting the above technical solution, it is possible to observe whether the first rotating shaft is rotating through the observation rod.
[0014] As a further description of the above technical solution: a ball valve is fixedly connected to the bottom of the first rotating shaft, and the ball valve penetrates and is rotatably connected to the valve body.
[0015] By adopting the above technical solution, the water flow can be switched on and off by rotating the ball valve.
[0016] As a further description of the above technical solution: the top of the high-pressure resistant shell is fixedly connected to the protective shell, and the top of the protective shell is penetrated by and rotatably connected to the first rotating shaft.
[0017] By adopting the above technical solution, the protective shell can prevent dust from entering and causing damage to the parts.
[0018] As a further description of the above technical solution: the inner wall of the high-pressure resistant shell is provided with a graphite layer.
[0019] By adopting the above technical solution, the graphite layer can be used to improve the heat dissipation capacity of the parts and avoid excessive temperature.
[0020] As a further description of the above technical solution: a first rotating handle is fixedly connected to the top of the screw rod.
[0021] By adopting the above technical solution, rotating the first rotating handle can drive the screw to rotate.
[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0023] 1. The utility model provides a high-pressure resistant spherical graphite valve body. First, the fixed plate is moved up and down by rotating the first rotating handle, and the surface of the filter screen is wiped by the brush. During the up and down movement of the external brush, the spring is forced to move the inner wall of the external brush toward the internal brush. The equal force of the springs on both sides makes the internal brush in the center position, so that the filter plate can be processed in time during the water circulation process. The filter screen can be replaced after the circulation to prevent the filter screen from being blocked during the circulation process.
[0024] 2. The utility model provides a high-pressure resistant spherical graphite valve body, which rotates the first rotating handle to rotate the turntable and the limit rod. Through the groove of the limit block, the rotation of the limit rod drives the limit block to rotate 90° through the groove, so that the first rotating shaft drives the ball valve to rotate 90°, so that the ball valve can open or close the flow of water, thereby effectively preventing the excessive rotation of the ball valve from causing gaps, allowing a small amount of water to flow, and accurately controlling the rotation of the ball valve. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a three-dimensional diagram of the utility model;
[0026] Figure 2 This is a cross-sectional view of the valve body of the present utility model;
[0027] Figure 3 This is a schematic diagram of the filter screen of the present utility model;
[0028] Figure 4 This is a schematic diagram of a spring explosion of the present utility model;
[0029] Figure 5 This is a schematic diagram of the explosion of the protective housing of the utility model;
[0030] Figure 6 This is a schematic diagram of the explosion of the limit rod of the utility model.
[0031] Legend:
[0032] 1. Valve body; 2. Upper retaining ring; 3. Ball valve; 4. First rotating handle; 5. Filter screen; 6. Nut pair; 7. Fixing plate; 8. External brush; 9. Slider; 10. Spring; 11. Bolt; 12. Middle retaining ring; 13. High-pressure resistant casing; 14. Protective casing; 15. First rotating shaft; 16. Limit block; 17. Turntable; 18. Connecting rod; 19. Limit rod; 20. Second rotating shaft; 21. Second rotating handle; 22. Fixing block; 23. Graphite layer; 24. Screw; 25. Internal brush; 26. Trapezoidal sealing ring; 27. Observation rod. DETAILED DESCRIPTION
[0033] The following will refer to the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0034] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.
[0035] Reference Figure 1 and Figure 2 The utility model is a high-pressure resistant ductile iron valve body, including a valve body 1, a protective shell 14 fixedly connected to the top of the high-pressure resistant shell 13, the protective shell 14 can prevent the entry of dust, and the top of the protective shell 14 is penetrated and rotatably connected to the first rotating shaft 15, the inner wall of the high-pressure resistant shell 13 is provided with a graphite layer 23, the graphite layer 23 can improve the heat dissipation capacity of the parts and avoid excessive temperature, and the top of the screw rod 24 is fixedly connected to the first rotating handle 4.
[0036] Reference Figure 3 and Figure 4, an upper fixing ring 2 is penetrated and slidably connected to one side of the top of the valve body 1, and a fixing block 22 is fixedly connected to both sides of the upper fixing ring 2, and the fixing block 22 is fixedly connected to both sides of the outer ring of the valve body 1, and a bolt 11 is threadedly connected to the top of the fixing block 22. The filter screen 5 can be removed by rotating the bolt 11. A filter screen 5 is provided on the inner wall of the upper fixing ring 2. The filter screen 5 can filter impurities in the liquid. A screw rod 24 is penetrated and rotatably connected to the middle side of the top of the valve body 1, and a trapezoidal sealing ring 26 is fixedly connected to the top of the outer ring of the screw rod 24. The trapezoidal sealing ring 26 prevents water from leaking from the gap during the rotation of the screw rod 24, and a nut pair is threaded at the bottom of the outer ring of the screw rod 24 6. A fixed plate 7 is fixedly connected to one side of the nut pair 6. The up and down movement of the nut pair 6 drives the fixed plate 7. A slider 9 is passed through and slidably connected to one side of the fixed plate 7. An external brush 8 is fixedly connected to one side of the slider 9. The movement of the external brush 8 drives the movement of the slider 9. The external brushes 8 are slidably connected with the internal brush 25. Both ends of the internal brush 25 are fixedly connected with a spring 10, and one end of the spring 10 is fixedly connected to the inner wall of the external brush 8. The spring 10 is always in a compressed state. A middle fixed ring 12 is fixedly connected to the middle of the outer ring of the valve body 1. The top of the middle fixed ring 12 is fixedly connected to a high-pressure resistant shell 13. A limiting component is provided on the top of the high-pressure resistant shell 13.
[0037] Reference Figure 5 and Figure 6 The limiting assembly includes a second rotating shaft 20, which is rotatably connected to one end of the top of the high-pressure resistant shell 13. The outer ring of the second rotating shaft 20 is fixedly connected to a turntable 17. The top of the second rotating shaft 20 is fixedly connected to a second rotating handle 21. The rotation of the second rotating handle 21 drives the second rotating shaft 20 to rotate. The top of the turntable 17 is fixedly connected to a connecting rod 18. The bottom of the connecting rod 18 is fixedly connected to a limiting rod 19. The limiting rod 19 limits the rotation of the first rotating shaft 15 through the limiting block 16. The other end of the top of the pressure shell 13 is penetrated and rotatably connected with a first rotating shaft 15, and the outer ring of the first rotating shaft 15 is penetrated and rotatably connected to the valve body 1. The outer ring of the first rotating shaft 15 is fixedly connected to a limit block 16. Due to the characteristics of the limit block 16, the first rotating shaft 15 can only rotate 90° each time. An observation rod 27 is fixedly connected to the top of the first rotating shaft 15, and a ball valve 3 is fixedly connected to the bottom of the first rotating shaft 15. The rotation of the ball valve 3 can switch the delivery of water flow, and the ball valve 3 is penetrated and rotatably connected to the valve body 1.
[0038] Working principle: First, by rotating the second rotating handle 21, the second rotating handle 21 drives the second rotating shaft 20 to rotate, thereby driving the turntable 17 and the connecting rod 18 to rotate, and the rotation of the connecting rod 18 drives the limit rod 19 to rotate. During the rotation of the limit rod 19, it enters the groove of the limit block 16 and drives the limit block 16 to rotate, thereby driving the first rotating shaft 15 to rotate, and the first rotating shaft 15 can only rotate 90°. The first rotating shaft 15 drives the ball valve 3 to rotate, thereby opening the water circulation. In the process of the first rotating shaft 15 driving the observation rod 27 to rotate, if it is found that the observation rod 27 rotates once, it can represent the switch state of the ball valve 3, thereby preventing the ball valve from being opened. 3 cannot determine whether it is fully open or closed, to prevent incomplete closure of the ball valve 3 causing water outflow. During the water flow transmission process, if it is found that the circulation is not timely, the first rotating handle 4 is rotated to drive the nut pair 6 to move up and down, and the movement of the nut pair 6 drives the brush to move and wipe the filter 5. The spring 10 allows the external brush 8 to change the wiping of the filter 5 according to the channel of the valve body 1. The springs 10 on both sides of the built-in brush 25 are subjected to equal force, so that the built-in brush 25 is always in the center position. When the filter 5 is blocked during the water transmission process, the filter 5 can be wiped by the brush to prevent dust accumulation from affecting water transmission.
[0039] 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.
[0040] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A high-pressure resistant spherical graphite valve body, comprising a valve body (1), characterized in that: An upper fixing ring (2) is passed through and slidably connected to one side of the top of the valve body (1), and a fixing block (22) is fixedly connected to both sides of the upper fixing ring (2), and the fixing block (22) is fixedly connected to both sides of the outer ring of the valve body (1), and a bolt (11) is threadedly connected to the top of the fixing block (22). A filter screen (5) is provided on the inner wall of the upper fixing ring (2), and a screw rod (24) is passed through and rotatably connected to the middle side of the top of the valve body (1), and a trapezoidal sealing ring (26) is fixedly connected to the top of the outer ring of the screw rod (24), and a nut pair (6) is threadedly connected to the bottom of the outer ring of the screw rod (24), and one side of the nut pair (6) is screwed. A fixed plate (7) is fixedly connected, and a slider (9) is passed through and slidably connected to one side of the fixed plate (7), an external brush (8) is fixedly connected to one side of the slider (9), and an internal brush (25) is slidably connected between the external brushes (8), and both ends of the internal brush (25) are fixedly connected to a spring (10), and one end of the spring (10) is fixedly connected to the inner wall of the external brush (8), and a middle fixed ring (12) is fixedly connected to the middle of the outer ring of the valve body (1), and a high-pressure resistant shell (13) is fixedly connected to the top of the middle fixed ring (12), and a limit assembly is provided on the top of the high-pressure resistant shell (13).
2. The high-pressure resistant spherical graphite valve body according to claim 1, characterized in that: The limiting assembly comprises a second rotating shaft (20), the second rotating shaft (20) is rotatably connected to one end of the top of the high-pressure resistant shell (13), the outer ring of the second rotating shaft (20) is fixedly connected to a rotating disk (17), the top of the second rotating shaft (20) is fixedly connected to a second rotating handle (21), the top of the rotating disk (17) is fixedly connected to a connecting rod (18), and the bottom of the connecting rod (18) is fixedly connected to a limiting rod (19).
3. The high-pressure resistant spherical graphite valve body according to claim 2, characterized in that: A first rotating shaft (15) is passed through and rotatably connected to the other end of the top of the high-pressure resistant shell (13), and the outer ring of the first rotating shaft (15) is passed through and rotatably connected to the valve body (1).
4. The high-pressure resistant spherical graphite valve body according to claim 3, characterized in that: The outer ring of the first rotating shaft (15) is fixedly connected to a limiting block (16), and the top of the first rotating shaft (15) is fixedly connected to an observation rod (27).
5. The high-pressure resistant spherical graphite valve body according to claim 3, characterized in that: A ball valve (3) is fixedly connected to the bottom of the first rotating shaft (15), and the ball valve (3) penetrates and is rotatably connected to the valve body (1).
6. The high-pressure resistant spherical graphite valve body according to claim 1, characterized in that: The top of the high-pressure resistant shell (13) is fixedly connected to a protective shell (14), and the top of the protective shell (14) is penetrated by and rotatably connected to the first rotating shaft (15).
7. The high-pressure resistant spherical graphite valve body according to claim 1, characterized in that: The inner wall of the high-pressure resistant shell (13) is provided with a graphite layer (23).
8. The high-pressure resistant spherical graphite valve body according to claim 1, characterized in that: The top of the screw rod (24) is fixedly connected to a first rotating handle (4).