Sand control gate valve
By installing sandproof pipes and buffer plates at the outer end of the gate valve, combined with the filter and collection chamber, the problem of the gate valve not being closed tightly in sand-containing water and the filter net is blocked, achieving effective sandproof effect and extension of service life.
Patent Information
- Application Number
- CN202421805384.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-29
AI Technical Summary
When the gate valve contains sand in water, the contact between the flat gate plate and the sand will cause it to be not tightly closed. The filter will be blocked by large particles of sand as time grows, affecting its use.
A sand-proof gate valve is designed, which includes installing a sand-proof pipe at the outer end of the valve body. A buffer plate and a filter net are provided inside the sand-proof pipe. The buffer plate prevents large-grained sand from sliding down to the collection chamber, and the filter net blocks fine impurities. The collection chamber can clean large-grained sand.
It effectively prevents the problem of lax gate valve closing caused by large-grain sand, and prevents fine impurities from being blocked through the filter, extending the service life of the gate valve.
Smart Images
Figure CN222977446U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of gate valves and relates to a sand-proof gate valve. Background Technique
[0002] A gate valve is a closing member, a gate plate. The moving direction of the gate plate is perpendicular to the fluid direction. The gate valve can only be fully opened and fully closed, and cannot be adjusted and throttled.
[0003] The gate valve realizes the on-off control of water through the lifting of the flat gate plate. When there is sand in the water, it will cause the contact part between the flat gate plate and it to be not tightly closed, resulting in the problem that the gate valve is not tightly closed. Usually, a filter screen is installed inside the gate valve to solve this problem. However, as time goes by, large particles of sand will accumulate at the mesh opening of the filter screen, causing blockage and affecting the use. Content of the Utility Model
[0004] The purpose of the utility model is to provide a sand-proof gate valve, which solves the problem that the gate valve realizes the on-off control of water through the lifting of the flat gate plate. When there is sand in the water, it will cause the contact part between the flat gate plate and it to be not tightly closed, resulting in the problem that the gate valve is not tightly closed. Usually, a filter screen is installed inside the gate valve to solve this problem. However, as time goes by, large particles of sand will accumulate at the mesh opening of the filter screen, causing blockage and affecting the use.
[0005] The technical solution of the utility model is realized as follows: It includes a valve body. A fixing body is installed on the upper part inside the valve body. A threaded channel is arranged inside the fixing body. A valve rod is installed inside the fixing body by threading. A spiral strip is arranged on the upper part of the valve rod for installation in the threaded channel. A flat gate plate is rotatably installed at the bottom of the valve rod. A sand-proof pipe is fixedly installed at one outer end of the valve body. Two buffer plates are fixedly installed inside the sand-proof pipe. The buffer plates are made of stainless steel material and are provided with a plurality of through holes. A filter screen is fixedly installed in the middle inside the sand-proof pipe. The filter screen is fixedly installed in the middle inside the sand-proof pipe by means of bolt connection. A collection bin is arranged at the lower part of one end of the sand-proof pipe.
[0006] As a preferred scheme of the utility model, a turning handle is fixedly installed at the top of the valve rod. A handle is fixedly installed at one end of the top of the turning handle. The turning handle is made of stainless steel material. The handle is fixedly installed at one end of the top of the turning handle by means of bolts.
[0007] As a preferred scheme of the utility model, an upper cover is fixedly installed at the upper part of the valve body by a bolt group. A gland is threadedly connected to the top of the upper cover. A fixing body is installed inside the gland. A fixing hole is arranged at the outer end of the upper part of the valve body. A fixing hole is arranged at the outer end of the lower part of the upper cover. The diameters of the two groups of fixing holes are larger than the outer diameter of the bolts.
[0008] As a preferred embodiment of the present utility model, a rotating column is fixedly installed at the bottom of the valve stem. The rotating column is rotatably connected to a flat gate valve. The rotating column is fixedly installed at the bottom of the valve stem by welding. An inverted stepped hole is provided in the upper part of the flat gate valve for the rotational installation of the lower part of the valve stem.
[0009] As a preferred embodiment of the present utility model, a through hole is provided in the lower part of the flat gate valve. A clamping block is fixedly installed on the bottom surface of the flat gate valve. There is a clamping position below the clamping block. The through hole is machined by milling. The clamping block is fixedly installed on the bottom surface of the flat gate valve by welding.
[0010] As a preferred embodiment of the present utility model, a flow channel is provided on the inner side of the lower part of the valve body. The inner side of the flow channel is polished. Flanges I are respectively provided at both ends of the valve body. There is a round hole I in the middle of the outer end of the flange I. Fixing holes I are provided at the edge part of the end surface of the flange I. A sealing ring I is fixedly installed in the middle of the end surface of the flange I. The sealing ring I is made of rubber material and can form a seal through extrusion deformation.
[0011] As a preferred embodiment of the present utility model, flanges II are respectively provided at both ends of the sand prevention pipe. There is a round hole II in the middle of the outer end of the flange II. Fixing holes II are provided at the edge part of the end surface of the flange II. A sealing ring II is fixedly installed in the middle of the end surface of the flange II. The sealing ring II is made of rubber material and can form a seal through extrusion deformation.
[0012] As a preferred embodiment of the present utility model, a discharge bolt is installed at the bottom of the collection bin. A threaded hole is provided at the bottom of the collection bin for installing the discharge bolt.
[0013] The beneficial effects of a sand prevention gate valve of the present utility model: A sand prevention pipe is installed at one outer end of the valve body of the present utility model. Two buffer plates are installed inside the sand prevention pipe. The buffer plates can buffer and block large-particle sand in water, causing it to slide into the collection bin. The provided filter screen can block fine impurity particles, thereby achieving the sand prevention effect. The collection bin can be opened to clean large-particle sand and prevent large-particle sand from accumulating inside. Description of the Drawings
[0014] Figure 1 It is the overall structure diagram of an embodiment of the present utility model;
[0015] Figure 2 It is the structure diagram of the flat gate valve of an embodiment of the present utility model;
[0016] Figure 3 It is the structure diagram of the sand prevention pipe of an embodiment of the present utility model;
[0017] Figure 4 It is the structure diagram of the flange I of an embodiment of the present utility model;
[0018] Figure 5This is a structural diagram of flange 2 of an embodiment of the utility model;
[0019] In the figure: 1. valve body; 2. flange 1; 3. flow channel; 4. bolt group; 5. upper cover; 6. fixed body; 7. pressure cover; 8. turn handle; 9. handle; 10. valve stem; 11. rotating column; 12. flat gate; 13. clamping block; 14. clamping position; 15. fixing hole 1; 16. sealing ring 1; 17. round hole 1; 18. through hole; 19. sand control pipe; 20. collecting bin; 21. buffer plate; 22. filter screen; 23. discharge bolt; 24. flange 2; 25. fixing hole 2; 26. sealing ring 2; 27. round hole 2. DETAILED DESCRIPTION
[0020] like Figures 1 to 5 As shown, the utility model discloses a sand prevention gate valve, and the technical scheme adopted is that it includes a valve body 1, a fixed body 6 is installed on the upper inner side of the valve body 1, a valve stem 10 is threadedly installed on the inner side of the fixed body 6, a flat gate plate 12 is rotatably installed on the bottom of the valve stem 10, a sand prevention tube 19 is fixedly installed on an outer end of the valve body 1, two buffer plates 21 are fixedly installed on the inner side of the sand prevention tube 19, a filter screen 22 is fixedly installed on the middle inner side of the sand prevention tube 19, and a collecting bin 20 is arranged at the lower part of one end of the sand prevention tube 19. The utility model has a sand prevention tube 19 installed on an outer end of the valve body 1, two buffer plates 21 are installed inside the sand prevention tube 19, the buffer plates 21 can buffer and block large particles of sand in the water to make them slide into the collecting bin 20, the arranged filter screen 22 can block fine impurity particles, thereby realizing the sand prevention effect, and the collecting bin 20 can clean large particles of sand by opening it to prevent large particles of sand from gathering inside.
[0021] A turning handle 8 is fixedly installed on the top of the valve stem, and a handle 9 is fixedly installed on one end of the top of the turning handle 8. By turning the handle 9, the turning handle 8 is rotated to rotate the valve stem 10.
[0022] An upper cover 5 is fixedly installed on the upper part of the valve body 1 by a bolt group 4, a pressure cover 7 is threadedly connected to the top of the upper cover 5, a fixing body 6 is installed inside the pressure cover 7, and the upper cover 5 is fixed to the upper part of the valve body 1 by the bolt group 4, making the operation more reliable.
[0023] A rotating column 11 is fixedly installed at the bottom of the valve stem 10 , and the rotating column 11 is rotatably connected to a flat gate plate 12 . The rotating column 11 rotates on the upper part of the flat gate plate 12 to realize the lifting and lowering of the flat gate plate 12 .
[0024] A through hole 18 is provided at the lower part of the flat gate plate 12, and the through hole 18 is used for the passage of liquid inside the valve body 1. A clamping block 13 is fixedly installed on the bottom surface of the flat gate plate 12, and a clamping position 14 is provided below the clamping block 13. The clamping block 13 is clamped into the clamping position 14. When the gate valve is closed, the lower part of the flat gate plate 12 is fixed, and the through hole 18 and the inside of the valve body 1 are fitted to achieve a blocking function.
[0025] A flow channel 3 is provided on the inner side of the lower part of the valve body 1, and the flow channel 3 is used for the circulation of liquid inside the valve body 1. Flanges 2 are provided at both ends of the valve body 1, a circular hole 17 is provided in the middle of the outer end of the flange 2, a fixing hole 15 is provided at the edge of the end face of the flange 2, a sealing ring 16 is fixedly installed in the middle of the end face of the flange 2, the circular hole 17 is used for installing bolts to realize the connection of the flange 2 to the pipeline, and the sealing ring 16 is used for sealing between the flange 2 and the pipeline.
[0026] Flanges 24 are provided at both ends of the sand control pipe 19, a circular hole 27 is provided in the middle of the outer end of the flange 24, a fixing hole 25 is provided at the edge of the end face of the flange 24, a sealing ring 26 is fixedly installed in the middle of the end face of the flange 24, the circular hole 27 is used to install bolts to connect the flange 24 to the pipeline, and the sealing ring 26 is used to seal between the flange 24 and the pipeline.
[0027] A discharge bolt 23 is installed at the bottom of the collecting bin 20 . When the discharge bolt 23 is locked, it is used to close the collecting bin 20 . When the discharge bolt 23 is opened, it is used to clean the collecting bin 20 .
[0028] The working principle of this sand-proof gate valve: When the sand-proof gate valve is in use, the handle 9 is turned, the hand 8 is rotated, the valve stem 10 is rotated, and the rotating column 11 at the lower part of the valve stem 10 is rotated on the upper part of the flat gate plate 12, so that the flat gate plate 12 moves upward, and the through hole 18 on the upper part of the flat gate plate 12 is connected with the flow channel 3 inside the valve body 1 to realize the flow of water. The water enters the filter tube 19, and the buffer plate 21 can buffer and block large particles of sand in the water, causing it to slide into the collection bin 20. The filter net 22 blocks the fine impurity particles in the water, so that the filtered water enters the gate valve.
[0029] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.
Claims
1. A sand control gate valve, characterized in that: The invention comprises a valve body (1), wherein a fixed body (6) is installed on the upper inner part of the valve body (1), a valve stem (10) is threadedly installed on the inner side of the fixed body (6), a flat gate plate (12) is rotatably installed on the bottom of the valve stem (10), a sand prevention pipe (19) is fixedly installed on one outer end of the valve body (1), two buffer plates (21) are fixedly installed on the inner side of the sand prevention pipe (19), a filter screen (22) is fixedly installed on the middle inner side of the sand prevention pipe (19), and a collection bin (20) is provided at the lower part of one end of the sand prevention pipe (19).
2. A sand control gate valve according to claim 1, characterized in that: A handle (8) is fixedly mounted on the top of the valve stem, and a handle (9) is fixedly mounted on one end of the top of the handle (8).
3. A sand control gate valve according to claim 1, characterized in that: An upper cover (5) is fixedly mounted on the upper part of the valve body (1) via a bolt group (4); a pressure cover (7) is threadedly connected to the top of the upper cover (5); and a fixing body (6) is mounted on the inner side of the pressure cover (7).
4. A sand control gate valve according to claim 1, characterized in that: A rotating column (11) is fixedly mounted on the bottom of the valve stem (10), and the rotating column (11) is rotatably connected to a flat gate plate (12).
5. The sand control gate valve according to claim 1, characterized in that: A through hole (18) is provided at the lower part of the flat gate plate (12), a clamping block (13) is fixedly mounted on the bottom surface of the flat gate plate (12), and a clamping position (14) is provided below the clamping block (13).
6. The sand control gate valve according to claim 1, characterized in that: A flow channel (3) is provided on the inner side of the lower part of the valve body (1), flanges (2) are provided at both ends of the valve body (1), a circular hole (17) is provided in the middle of the outer end of the flange (2), a fixing hole (15) is provided at the edge of the end face of the flange (2), and a sealing ring (16) is fixedly installed in the middle of the end face of the flange (2).
7. The sand control gate valve according to claim 1, characterized in that: The two ends of the sand control pipe (19) are respectively provided with flanges (24), the middle part of the outer end of the flange (24) is provided with a circular hole (27), the edge of the end face of the flange (24) is provided with a fixing hole (25), and the middle part of the end face of the flange (24) is fixedly installed with a sealing ring (26).
8. The sand control gate valve according to claim 1, characterized in that: A discharge bolt (23) is installed at the bottom of the collecting bin (20).