Single-gate flat gate valve
By introducing a threaded structure and locking ring design into a single-gate flat gate valve, the problem of difficulty in accessing the valve cavity by maintenance tools in the prior art is solved, thus achieving convenient maintenance operations and cost control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINGGONG VALVE
- Filing Date
- 2025-06-23
- Publication Date
- 2026-05-26
AI Technical Summary
When inspecting and maintaining existing single-gate planar gate valves, the width of the gate and valve stem makes it difficult for operating tools to enter the valve cavity, increasing the difficulty and steps of maintenance.
The valve body is designed with threaded interfaces and connecting flanges, combined with a locking ring structure, which facilitates connection and fixation, allows maintenance tools to easily enter the valve body, and enables detachable connection between the valve cover and the valve body through the flange structure.
It simplifies the maintenance process, reduces operating costs, and improves the convenience and efficiency of maintenance.
Smart Images
Figure CN224283507U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of planar gate valve devices, specifically to a single-gate planar gate valve. Background Technology
[0002] In various fluid transport systems of industrial production and daily life, valves, as key components for controlling fluid flow, directly affect the operating efficiency, safety, and stability of the entire system. Single-gate flat gate valves, with their unique structure and working principle, occupy an important position among many valve types and are widely used in petroleum, natural gas, chemical, and water conservancy fields.
[0003] When using existing gate valves, if it is necessary to inspect and maintain the gate, valve stem, and other components inside the valve, the tools used are difficult to enter the valve cavity due to the limited width of the valve, which increases the difficulty of inspection and maintenance and adds to the number of steps. Utility Model Content
[0004] Technical problems to be solved
[0005] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a single-gate planar gate valve, which can effectively solve the problem that when it is necessary to inspect and maintain the gate, valve stem and other components inside the gate valve, the operating tools are difficult to enter the valve cavity due to their width, which increases the difficulty of inspection and maintenance and adds more steps to the inspection.
[0006] Technical solution
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] This utility model provides a single-gate planar gate valve, including a valve body and a valve plate 1 disposed within the valve body. A positioning ring is provided at the bottom end of the valve plate 1, and a valve cover is provided at the top end of the valve body. A sealing ring is provided between the outer side of the valve plate 1 and the valve cover. The top end of the valve plate 1 is fixedly connected to a valve stem. The valve stem is fitted with valve plate 1, valve plate 2, and valve plate 3 on the outer side of the valve cover. The valve plate structure is fixedly connected to the valve stem by a first internal hexagonal bolt. The top end of the valve cover is fixedly connected to a bracket. The valve cover has a skeleton, a third O-ring, and a fourth O-ring inside. The valve stem is fitted with a side plate and a Y-shaped sealing ring on the outer side of the valve cover. Both sides of the valve body are fixed with mating interfaces. A connecting flange is fixedly fitted inside the mating interfaces. The connecting flange includes a connecting port, a locking ring, and an outer flange. The inner wall of the mating interface and the outer wall of the connecting port are both threaded.
[0009] Furthermore, the inner side of the valve body and the valve plate are fixedly connected by a first gasket and a D-ring, and a drain plug is provided in the middle of the D-ring. A second internal hex bolt is provided in the first gasket. A positioning sleeve is provided inside the positioning ring. A valve seat is provided inside the positioning sleeve. The top of the valve plate is provided on the valve seat. A first O-ring and a second O-ring are sleeved between the valve seat and the valve plate.
[0010] Furthermore, the valve cover and valve body are connected and fixed by studs and nuts, and the contact surfaces of the valve cover and valve body are both flange structures, with a second gasket fitted between them.
[0011] Furthermore, the valve cover and the bracket are connected and fixed by studs and nuts, and a grease injection port is provided on one side of the valve cover, and the grease injection port is fixedly connected to the sealing cap on the outside.
[0012] Furthermore, the top end of the valve stem is fixedly connected to the handwheel.
[0013] Furthermore, the outer side of the locking ring has a hexagonal structure.
[0014] Beneficial effects
[0015] The technical solution provided by this utility model has the following advantages compared with the known public technology:
[0016] This utility model, by setting a threaded interface and a connecting flange structure, allows users to connect and fix the connecting flange to the interface as needed, facilitating direct observation and maintenance of the internal structure of the valve body. A locking ring structure is set on the outside of the outer flange, which is convenient for users to rotate and fix. After removing the flange structures on both sides, the internal structure of the valve body cavity is clearly visible, and maintenance tools can be easily accessed directly, avoiding the cost issues caused by direct replacement. At the same time, users can also fix connecting flange structures of different lengths as needed. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a front view of the structure of this utility model;
[0020] Figure 3 This is an exploded view of the structure of this utility model;
[0021] Figure 4 This is a cross-sectional view of the structure of this utility model.
[0022] The labels in the diagram represent: 1. Valve body; 2. First gasket; 3. Drain plug; 4. D-ring; 5. Second hex bolt; 6. Locating ring; 7. Locating sleeve; 8. Valve seat; 9. First O-ring; 10. Second O-ring; 11. Sealing ring; 12. Valve plate one; 13. Valve plate two; 14. Valve plate three; 15. First hex bolt; 16. Valve stem; 17. Second gasket; 18. Stud; 19. Nut; 20. Valve cover; 21. Side plate; 22. Y-ring seal; 23. Grease injection port; 24. Sealing cap; 25. Skeleton; 26. First O-ring; 27. Second O-ring; 28. Bracket; 29. Handwheel; 30. Connecting flange; 301. Connection port; 302. Locking ring; 303. Outer flange; 31. Butt joint. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0024] The present invention will be further described below with reference to the embodiments.
[0025] Example: Single-gate planar gate valve, see attached diagram. Figure 1 -Appendix Figure 4The valve body includes a valve body 1 and a valve plate 12 disposed within the valve body 1. A positioning ring 6 is provided at the bottom end of the valve plate 12. A valve cover 20 is provided at the top end of the valve body 1. A sealing ring 11 is provided between the outer side of the valve plate 12 and the valve cover 20. The top end of the valve plate 12 is fixedly connected to a valve stem 16. The valve stem 16 is fitted with valve plate 12, valve plate 23, and valve plate 34 on the outer side of the valve cover 20. The valve plate structure is fixedly connected to the valve stem 16 by a second hexagonal bolt 15. The top end of the valve cover 20 is fixedly connected to a bracket 28. The interior of the valve cover 20... The valve body 1 is equipped with a frame 25, a third O-ring 26, and a fourth O-ring 27. The valve stem 16 is fitted with a side plate 21 and a Y-shaped sealing ring 22 on the outside of the valve cover 20. Both sides of the valve body 1 are fixed with a mating interface 31. A connecting flange 30 is fitted and fixed inside the mating interface 31. The connecting flange 30 includes a connecting port 301, a locking ring 302, and an outer flange 303. The inner side wall of the mating interface 31 and the outer side wall of the connecting port 301 are both threaded. The outer side of the locking ring 302 is hexagonal, and the top of the valve stem 16 is fixedly connected to the handwheel 29.
[0026] The inner side of the valve body 1 and the valve plate 12 are fixedly connected by a first gasket 2 and a D-ring 4, and a drain plug 3 is provided in the middle of the D-ring 4. A first internal hex bolt 5 is provided in the first gasket 2. A positioning sleeve 7 is provided inside the positioning ring 6. A valve seat 8 is provided inside the positioning sleeve 7. The top of the valve plate 12 is provided on the valve seat 8. A first O-ring 9 and a second O-ring 10 are sleeved between the valve seat 8 and the valve plate 12. By providing a threaded interface 31 and a connecting flange 30 structure, the user can connect and fix the connecting flange 30 to the interface 31 as needed, which facilitates the user to directly observe and repair the internal structure of the valve body 1. A locking ring 302 structure is provided on the outside of the outer flange 303, which facilitates the user to rotate and fix it.
[0027] The valve cover 20 and the valve body 1 are connected and fixed by studs 18 and nuts 19. The contact surfaces of the valve cover 20 and the valve body 1 are both flange structures, and a second gasket 17 is fitted between them. The valve cover 20 and the bracket 28 are connected and fixed by studs 18 and nuts 19. A grease injection port 23 is provided on one side of the valve cover 20, and a sealing cover 24 is fixedly connected to the outside of the grease injection port 23. After removing the flange structures on both sides, the structure inside the valve body 1 cavity is clearly visible, and maintenance tools can be easily accessed directly, avoiding the cost issues caused by direct replacement. At the same time, users can also fix connection flange structures of different lengths as needed.
[0028] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.
Claims
1. A single-gate planar gate valve, characterized in that, The valve body includes a valve body (1) and a valve plate (12) disposed within the valve body (1). A positioning ring (6) is provided at the bottom end of the valve plate (12). A valve cover (20) is provided at the top end of the valve body (1). A sealing ring (11) is provided between the outer side of the valve plate (12) and the valve cover (20). The top end of the valve plate (12) is fixedly connected to the valve stem (16). The valve stem (16) is fitted with valve plate (12), valve plate (23) and valve plate (3) (14) on the outer side of the valve cover (20). The valve plate structure is fixedly connected to the valve stem (16) by a first internal hex bolt (15). The top end of the valve cover (20) is... The valve cover (20) is fixedly connected to the bracket (28). The valve cover (20) is provided with a skeleton (25), a third O-ring (26) and a fourth O-ring (27). The valve stem (16) is fitted with a side plate (21) and a Y-shaped sealing ring (22) on the outside of the valve cover (20). Both sides of the valve body (1) are fixed with a mating interface (31). A connecting flange (30) is fitted and fixed inside the mating interface (31). The connecting flange (30) includes a connecting port (301), a locking ring (302) and an outer flange (303). The inner wall of the mating interface (31) and the outer wall of the connecting port (301) are both provided with threaded structures.
2. The single-gate planar gate valve according to claim 1, characterized in that, The inner side of the valve body (1) and the valve plate (12) are fixedly connected by a first gasket (2) and a D-ring (4), and a drain plug (3) is provided in the middle of the D-ring (4). A second internal hex bolt (5) is provided in the first gasket (2). A positioning sleeve (7) is provided inside the positioning ring (6). A valve seat (8) is provided inside the positioning sleeve (7). The top of the valve plate (12) is provided on the valve seat (8). A first O-ring (9) and a second O-ring (10) are sleeved between the valve seat (8) and the valve plate (12).
3. The single-gate planar gate valve according to claim 1, characterized in that, The valve cover (20) and the valve body (1) are connected and fixed by studs (18) and nuts (19), and the contact surfaces of the valve cover (20) and the valve body (1) are both flange structures, and a second gasket (17) is fitted between them.
4. The single-gate planar gate valve according to claim 1, characterized in that, The valve cover (20) and the bracket (28) are connected and fixed by studs (18) and nuts (19). A grease injection port (23) is provided on one side of the valve cover (20), and the grease injection port (23) is fixedly connected to the sealing cover (24) on the outside.
5. The single-gate planar gate valve according to claim 4, characterized in that, The top of the valve stem (16) is fixedly connected to the handwheel (29).
6. The single-gate planar gate valve according to claim 1, characterized in that, The outer side of the locking ring (302) has a hexagonal structure.