Anti-blocking gate valve
By using technical means such as pressing wheel devices and flexible sealing covers in the gate valve, the problems of easy clogging and corrosion of traditional gate valves are solved, and the gate valves are easily opened and closed and stable operation for a long time is achieved.
Patent Information
- Application Number
- CN202422367116.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-09-26
AI Technical Summary
When opening and closing, traditional gate valves are prone to difficulties in opening and closing due to foreign objects or corrosion of the valve stem, and need to be improved to prevent clogging.
An anti-blocking gate valve is designed, and a press wheel device is used to control the movement of the shutter plate, and a flexible seal cover is provided on the press wheel device to prevent water from entering, and a removable filter cover is added to block foreign matter.
It makes it easier to open and close the gate valve, prevents foreign objects from being stuck and stem corrosion, and ensures smooth fluid passages and long-term stable operation.
Smart Images
Figure CN222992192U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of valves, relates to a gate valve, and particularly relates to an anti-jamming gate valve. Background Technique
[0002] A gate valve is a fluid control device, and its working principle mainly controls the flow of the medium by lifting the gate plate.
[0003] Traditional gate valves control the closing of the gate plate through the valve stem to block the water flow path, having advantages such as good sealing performance and small flow resistance. The gate plate of a conventional gate valve will be jammed by foreign objects when opening and closing, and the exposed valve stem will be jammed due to corrosion, resulting in difficult opening and closing. Therefore, it is necessary to improve the anti-jamming of the gate valve. Summary of the Invention
[0004] The purpose of the utility model is to provide an anti-jamming gate valve with simple and labor-saving operation for the above problems existing in the prior art.
[0005] The purpose of the utility model can be achieved by the following technical solutions: an anti-jamming gate valve, characterized in that it includes a valve body provided with a water inlet pipe and a water outlet pipe. A cleaning cavity communicating the water outlet pipe and the water inlet pipe is provided at the bottom of the valve body, and a control component is arranged at the top of the valve body. A housing is provided on the control component, a valve stem is arranged in the housing, and a pressing wheel device is arranged at the top of the housing. A partition plate is arranged in the housing, a return spring is arranged between the partition plate and the pressing wheel device, a gate plate is arranged at the bottom of the valve stem, a filter cover parallel to the gate plate is arranged in the cleaning cavity, flow-through plates are arranged on both the gate plate and the filter cover, flow-through cavities are arranged between the flow-through plates, and the width of the flow-through cavity is smaller than that of the flow-through plate. A pressing key cap is arranged at the top of the pressing wheel device.
[0006] In the above-mentioned anti-jamming gate valve, positioning convex blocks are arranged at the bottom of the flow-through plates.
[0007] In the above-mentioned anti-jamming gate valve, a threaded connection part is arranged at the bottom of the valve body, and a bottom end cap is arranged on the threaded connection part. A hexagonal connection cavity is arranged on the bottom end cap.
[0008] In the above-mentioned anti-jamming gate valve, a plurality of parallel sealing sheets are arranged on the valve stem, a sealing layer is arranged in the housing, and sealing cavities are arranged on both sides of the sealing layer.
[0009] In the above-mentioned anti-jamming gate valve, the pressing wheel device includes a pressing seat, and a first pressing wheel is connected and arranged at the bottom of the pressing seat. A second pressing wheel is arranged in the pressing seat, a control rod extends upward from the top of the second pressing wheel, the pressing key cap is arranged at the top of the control rod, and the valve stem is placed in the first pressing wheel.
[0010] In the above anti-jamming gate valve, the press wheel device is provided with a flexible sealing cover, and clamping cavities are provided on both the pressing key cap and the press seat.
[0011] Compared with the prior art, the anti-jamming gate valve controls the movement of the gate plate by setting a press wheel device, making the opening and closing of the gate valve more convenient. A flexible sealing cover is provided on the press wheel device to prevent external water and liquid from entering the inside of the press wheel device, resulting in component rust and jamming. The detachable filter cover blocks foreign objects to prevent the gate plate from jamming during up and down movement, and can prevent the passage from being blocked by means of disassembly and replacement. Brief Description of the Drawings
[0012] Figure 1 is a schematic structural diagram of the anti-jamming gate valve.
[0013] Figure 2 is a schematic half-sectional structural diagram of the anti-jamming gate valve.
[0014] Figure 3 is a schematic structural diagram of the press wheel device of the anti-jamming gate valve.
[0015] In the figure, 1. Pressing key cap; 2. Flexible sealing cover; 3. Valve body; 4. Outlet pipe; 5. Hexagonal connection cavity; 6. Bottom end cap; 7. Inlet pipe; 8. Housing; 9. Control component; 10. Return spring; 11. Sealing layer; 12. Filter cover; 13. Threaded connection part; 14. Flow-through cavity; 15. Positioning convex block; 16. Cleaning cavity; 17. Gate plate; 18. Flow-through plate; 19. Sealing piece; 20. Valve rod; 21. Sealing cavity; 22. Partition plate; 23. Press wheel device; 24. Clamping cavity; 25. Control rod; 26. Second press wheel; 27. Press seat; 28. First press wheel. Detailed Embodiments
[0016] The following are specific embodiments of the present invention and in combination with the drawings, the technical solutions of the present invention are further described, but the present invention is not limited to these embodiments.
[0017] Such as Figure 1 、 2, as shown in FIGS. 3, the anti-jamming gate valve includes a valve body 3 provided with a water inlet pipe 7 and a water outlet pipe 4. A sewage cleaning chamber 16 communicating the water outlet pipe 4 with the water inlet pipe 7 is provided at the bottom of the valve body 3. A control assembly 9 is provided at the top of the valve body 3. A housing 8 is provided on the control assembly 9. A valve rod 20 is provided inside the housing 8. A pressing wheel device 23 is provided at the top of the housing 8. A partition plate 22 is provided inside the housing 8. A return spring 10 is provided between the partition plate 22 and the pressing wheel device 23. A gate plate 17 is provided at the bottom of the valve rod 20. A filter cover 12 parallel to the gate plate 17 is provided in the sewage cleaning chamber 16. Flow-through plates 18 are provided on both the gate plate 17 and the filter cover 12. Flow-through cavities 14 are provided between the flow-through plates 18. The width of the flow-through cavity 14 is smaller than that of the flow-through plate 18. A pressing key cap 1 is provided at the top of the pressing wheel device 23. When it needs to be opened, the pressing key cap 1 is squeezed to control the upward movement of the gate plate 17 through the pressing wheel device 23, so that the flow-through cavity 14 of the gate plate 17 is aligned with the filter cover 12. Water flows in from the water inlet pipe 7, sequentially flows through the filter cover 12 and the gate plate 17, and flows out through the water outlet pipe 4. When it needs to be closed, the pressing key cap 1 is squeezed to support the gate plate 17 to move upward through the return spring 10, so that the flow-through cavity 14 is aligned with the flow-through plate 18 to achieve sealed interception of the flow.
[0018] Preferably, a positioning convex block 15 is provided at the bottom of the flow-through plate 18.
[0019] Preferably, a threaded connection portion 13 is provided at the bottom of the valve body 3. A bottom end cap 6 is provided on the threaded connection portion 13. A hexagonal connection cavity 5 is provided on the bottom end cap 6. After the filter cover 12 is blocked, the bottom end cap 6 is disassembled, and the filter cover 12 is disassembled and replaced by grasping the positioning convex block 15.
[0020] Preferably, a plurality of parallel sealing sheets 19 are provided on the valve rod 20. A sealing layer 11 is provided inside the housing 8. Sealing cavities 21 are provided on both sides of the sealing layer 11. When the gate plate 17 moves, the sealing sheets 19 are convenient to contact and position with the sealing cavities 21 to prevent water flow from entering the housing 8.
[0021] Preferably, the pressing wheel device 23 includes a pressing seat 27. A first pressing wheel 28 is connected and provided at the bottom of the pressing seat 27. A second pressing wheel 26 is provided inside the pressing seat 27. A control rod 25 extends upward from the top of the second pressing wheel 26. The pressing key cap 1 is provided at the top of the control rod 25. The valve rod 20 is placed inside the first pressing wheel 28.
[0022] Preferably, the pressing wheel device 23 is provided with a flexible sealing cover 2. Clamping cavities 24 are provided on both the pressing key cap 1 and the pressing seat 27. The flexible sealing cover 2 is clamped through the clamping cavities 24 to prevent rainwater, etc. from entering the pressing wheel device 23 along the gaps, resulting in rust and jamming.
[0023] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.
[0024] Although terms such as pressing keycap 1, flexible seal cover 2, valve body 3, water outlet pipe 4, hexagonal connection cavity 5, bottom end cap 6, water inlet pipe 7, housing 8, control component 9, return spring 10, sealing layer 11, filter cover 12, threaded connection portion 13, flow-through cavity 14, positioning convex block 15, cleaning cavity 16, gate plate 17, flow-through plate 18, sealing piece 19, valve stem 20, sealing cavity 21, partition plate 22, pressing wheel device 23, clamping cavity 24, control rod 25, second pressing wheel 26, pressing seat 27, first pressing wheel 28 are used more frequently in this text, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional limitation is contrary to the spirit of the present utility model.
Claims
1. An anti-jamming gate valve, characterized in that: The invention comprises a valve body (3) provided with a water inlet pipe (7) and a water outlet pipe (4), the bottom of the valve body (3) being provided with a cleaning chamber (16) communicating with the water outlet pipe (4) and the water inlet pipe (7), and a control assembly (9) being provided on the top of the valve body (3), a shell (8) being provided on the control assembly (9), a valve stem (20) being provided in the shell (8), and a pressing wheel device (23) being provided on the top of the shell (8), and a partition plate (22) being provided in the shell (8), and a valve rod (20) being provided in the shell (8). 2) and a push wheel device (23), a return spring (10) is provided between the valve stem (20), a gate plate (17) is provided at the bottom of the valve stem (20), a filter cover (12) is provided in the cleaning chamber (16) and is arranged parallel to the gate plate (17), a flow plate (18) is provided on the gate plate (17) and the filter cover (12), a flow chamber (14) is provided between the flow plates (18), and the width of the flow chamber (14) is smaller than that of the flow plate (18), and a pressing key cap (1) is provided on the top of the push wheel device (23).
2. The anti-jamming gate valve according to claim 1, characterized in that: A positioning protrusion (15) is provided at the bottom of the flow plate (18).
3. The anti-jamming gate valve according to claim 1, characterized in that: A threaded connection portion (13) is provided at the bottom of the valve body (3), and a bottom end cap (6) is provided on the threaded connection portion (13), and a hexagonal connection cavity (5) is provided on the bottom end cap (6).
4. The anti-jamming gate valve according to claim 1, characterized in that: The valve stem (20) is provided with a plurality of sealing sheets (19) arranged in parallel, the housing (8) is provided with a sealing layer (11), and sealing cavities (21) are provided on both sides of the sealing layer (11).
5. The anti-jamming gate valve according to claim 1, characterized in that: The press wheel device (23) comprises a press seat (27), and a first press wheel (28) is connected to the bottom of the press seat (27), a second press wheel (26) is arranged inside the press seat (27), a control rod (25) extends upward from the top of the second press wheel (26), the pressing key cap (1) is arranged on the top of the control rod (25), and the valve stem (20) is placed inside the first press wheel (28).
6. The anti-jamming gate valve according to claim 1, characterized in that: The press wheel device (23) is provided with a flexible sealing cover (2), and the pressing key cap (1) and the press seat (27) are both provided with a clamping cavity (24).