Leakage-proof structure of butterfly valve
By setting a sealing ring and an adjusting component on the inner wall of the butterfly valve, and combining components such as knobs, worms, and worm gears, a double seal between the butterfly valve and the pipeline is achieved, solving the problem of poor sealing effect of the butterfly valve and ensuring that the fluid does not leak.
Patent Information
- Application Number
- CN202423097863.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-16
AI Technical Summary
The butterfly valve in the prior art is prone to fluid leakage during use, and the existing anti-leakage structure design is insufficient, resulting in a mediocre sealing effect.
By setting a first sealing ring on the inner wall of the butterfly valve, fixing a fixed seat on the outside, and cooperating with components such as the adjusting seat, adjusting block, connecting ring, connecting block and sealing ring, double sealing of the butterfly valve and the pipeline is achieved. The adjustment frame is driven to move by components such as knobs, worms, and worm gears to further enhance the sealing effect.
It realizes double sealing between the butterfly valve and the pipe connection, effectively prevents fluid leakage and is easy to operate.
Smart Images
Figure CN223375337U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of anti-leakage structures, in particular to an anti-leakage structure for a butterfly valve. Background Art
[0002] A butterfly valve is a simple regulating valve primarily used for on / off control of low-pressure pipeline media. Its closing element is a disc-shaped disc that rotates around the valve shaft to open, close, or regulate the flow of the media. Butterfly valves are widely used due to their simple structure, compact size, light weight, low material consumption, small installation dimensions, low driving torque, and easy and quick operation.
[0003] The butterfly valves in the prior art are usually only fixed to the pipe by the flange during use, lacking a leak-proof structure. This makes the butterfly valve sealing effect relatively poor, and it is easy to cause fluid leakage, making it inconvenient to use. Therefore, we propose a butterfly valve leak-proof structure. Utility Model Content
[0004] In response to the shortcomings of the existing technology, the utility model provides a butterfly valve anti-leakage structure, which solves the problem that the butterfly valve is usually only installed and fixed between the flange and the pipeline during use, lacks an anti-leakage structure, makes the sealing effect of the butterfly valve relatively general, and easily causes fluid leakage.
[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0006] The cam is fixedly mounted on the outside of the valve body, and the cam is fixedly mounted on the inside of the valve body, wherein the cam is fixedly mounted on the outside of the valve body, and the cam is fixedly mounted on the inside of the valve body, wherein the cam is fixedly mounted on the inside of the valve body, and the cam is fixedly mounted on the inside of the valve body.
[0007] Preferably, the transmission groove is internally slidably connected to an adjustment frame, the bottom of the adjustment frame is symmetrically fixedly connected to a connecting rod, one side of the connecting rod is fixedly connected to a pressure rod, and the interior of the adjustment seat is provided with an inclined groove for use with the pressure rod. The adjustment frame drives the pressure rod to move through the connecting rod, thereby cooperating with the inclined groove, so that the pressure rod squeezes and drives the adjustment seat to slide during the downward movement.
[0008] Preferably, the inner wall of the transmission groove is symmetrically fixedly connected to a limit rod, the outer side of the limit rod is slidably connected to a limit block, and the limit block is fixedly connected to the adjustment frame. The setting of the limit block and the limit rod can limit the movement of the adjustment frame to prevent the adjustment frame from deflecting during the movement.
[0009] Preferably, the transmission groove is rotatably connected to a rotating shaft, one end of the rotating shaft is fixedly connected to a turntable, and a push rod is fixedly connected to the side of the turntable away from the rotating shaft. A slide groove for cooperating with the push rod is provided inside the adjustment frame, and the rotating shaft drives the push rod to rotate through the turntable, so that the push rod and the slide groove are used in conjunction with each other, and the push rod squeezes and drives the adjustment frame to slide during the rotation process.
[0010] Preferably, a fixing block is fixedly connected to the inner wall of the fixing seat, a worm is rotatably connected between the fixing block and the fixing seat, and a worm wheel used in conjunction with the worm is fixedly connected to the outer side of the rotating shaft, and the worm wheel is driven by the worm to rotate, thereby driving the rotating shaft to rotate.
[0011] Preferably, one end of the worm is fixedly connected to a knob, and the worm is driven to rotate by the knob, which is convenient to operate.
[0012] The utility model provides a butterfly valve anti-leakage structure. Compared with the existing technology, it has the following beneficial effects:
[0013] 1. The anti-leakage structure of the butterfly valve realizes the double sealing function of the connection between the butterfly valve and the pipeline by setting an adjusting frame, a connecting rod, a pressure rod, an inclined groove, an adjusting seat, an adjusting block, a connecting ring, a connecting block, a sealing ring, a second sealing ring and a first sealing ring, thereby achieving an anti-leakage effect.
[0014] 2. The anti-leakage structure of the butterfly valve realizes the function of driving the adjustment frame to move by setting a knob, a worm, a worm wheel, a rotating shaft, a turntable, a push rod and a slide groove, thereby assisting in sealing the connection between the butterfly valve and the pipeline, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural diagram of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the butterfly valve of the utility model;
[0017] Figure 3 It is a structural diagram of the fixing seat of the utility model;
[0018] Figure 4 This is a schematic diagram of the internal structure of the fixing seat of the utility model;
[0019] Figure 5 It is a structural diagram of the turntable of the utility model;
[0020] Figure 6 It is a structural diagram of the adjusting frame of the utility model.
[0021] In the figure: 1. Butterfly valve; 2. Fixed seat; 3. Adjusting block; 4. First sealing ring; 5. Sealing ring; 6. Connecting block; 7. Connecting ring; 8. Second sealing ring; 9. Knob; 10. Turntable; 11. Limit block; 12. Limit rod; 13. Adjusting seat; 14. Inclined groove; 15. Press rod; 16. Connecting rod; 17. Transmission groove; 18. Adjusting frame; 19. Push rod; 20. Fixed block; 21. Rotating shaft; 22. Worm; 23. Worm gear; 24. Slide groove. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in 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.
[0023] See also Figures 1 to 6 , the utility model provides a technical solution:
[0024] A butterfly valve anti-leakage structure, comprising a butterfly valve 1, the inner wall of the butterfly valve 1 is symmetrically provided with a first sealing ring 4, the outer side of the butterfly valve 1 is fixedly connected to a fixed seat 2, the interior of the fixed seat 2 is provided with a transmission groove 17, the inner wall of the transmission groove 17 is symmetrically slidably connected to an adjusting seat 13, one side of the adjusting seat 13 is fixedly connected to an adjusting block 3, the adjusting block 3 is fixedly connected to an end of the adjusting seat 13 away from the adjusting seat 13, a connecting ring 7 is fixedly connected to one side of the connecting ring 7 at an equal distance, a sealing ring 5 is fixedly connected to one end of the connecting block 6, and a second sealing ring 8 is provided on the inner wall of the sealing ring 5; the butterfly valve 1 can be installed and fixed to the pipeline through the flange on the outer side of the butterfly valve 1, and the first sealing ring 4 can achieve a sealing effect, thereby preventing leakage, the adjusting block 3 is driven to move by the movement of the adjusting seat 13, the connecting ring 7 is driven to move by the adjusting block 3, and the connecting ring 7 is driven to move by the connecting block 6, so that the sealing ring 5 moves to the position of the flange connection, and the flange connection can be further sealed by the second sealing ring 8, thereby further achieving a leakage-proof effect.
[0025] Furthermore, the transmission groove 17 is internally slidably connected to an adjustment frame 18, the bottom of the adjustment frame 18 is symmetrically fixedly connected to a connecting rod 16, one side of the connecting rod 16 is fixedly connected to a pressure rod 15, and an inclined groove 14 is provided inside the adjustment seat 13 for use with the pressure rod 15. The adjustment frame 18 drives the pressure rod 15 to move through the connecting rod 16, thereby cooperating with the inclined groove 14, so that the pressure rod 15 squeezes and drives the adjustment seat 13 to slide during the downward movement.
[0026] Furthermore, the inner wall of the transmission groove 17 is symmetrically fixedly connected to the limit rod 12, the outer side of the limit rod 12 is slidably connected to the limit block 11, and the limit block 11 is fixedly connected to the adjustment frame 18. The setting of the limit block 11 and the limit rod 12 can limit the movement of the adjustment frame 18 to prevent the adjustment frame 18 from offsetting during the movement.
[0027] Furthermore, the transmission groove 17 is internally rotatably connected to a rotating shaft 21, one end of the rotating shaft 21 is fixedly connected to a turntable 10, and a push rod 19 is fixedly connected to the side of the turntable 10 away from the rotating shaft 21. A slide groove 24 is provided inside the adjusting frame 18 for use with the push rod 19. The rotating shaft 21 drives the push rod 19 to rotate through the turntable 10, so that the push rod 19 is used in conjunction with the slide groove 24, and the push rod 19 squeezes and drives the adjusting frame 18 to slide during the rotation process.
[0028] Furthermore, a fixed block 20 is fixedly connected to the inner wall of the fixed seat 2, a worm 22 is rotatably connected between the fixed block 20 and the fixed seat 2, and a worm wheel 23 used in conjunction with the worm 22 is fixedly connected to the outer side of the rotating shaft 21. The worm wheel 23 is driven by the worm 22 to rotate, thereby driving the rotating shaft 21 to rotate.
[0029] Furthermore, one end of the worm 22 is fixedly connected to a knob 9, and the worm 22 is driven to rotate by the knob 9, which is convenient to operate.
[0030] When in use, the butterfly valve 1 can be installed and fixed to the pipeline through the flange on the outside of the butterfly valve 1, and the first sealing ring 4 can achieve a sealing effect to prevent leakage. Turn the knob 9, and the knob 9 drives the worm wheel 23 to rotate through the worm 22, thereby driving the rotating shaft 21 to rotate. The rotating shaft 21 drives the push rod 19 to rotate through the turntable 10, so that the push rod 19 and the slide groove 24 are used in conjunction with each other, so that the push rod 19 squeezes and drives the adjustment frame 18 to slide during the rotation process. The setting of the limit block 11 and the limit rod 12 can be used to adjust the pressure. The movement of the adjusting frame 18 is limited to prevent the adjusting frame 18 from deflecting during the movement. The adjusting frame 18 drives the pressure rod 15 to move through the connecting rod 16, thereby cooperating with the inclined groove 14, so that the pressure rod 15 squeezes and drives the adjusting seat 13 to slide during the downward movement. The adjusting seat 13 drives the connecting ring 7 to move through the adjusting block 3, and then drives the sealing ring 5 to move to the position of the flange connection. The second sealing ring 8 can further seal the flange connection, further play a leak-proof effect, and is convenient to use.
[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0032] 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 "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations. The phrase "includes an element defined by..." does not exclude the presence of other identical elements in the process, method, article, or device that includes the element.
[0033] 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 butterfly valve anti-leakage structure, comprising a butterfly valve (1), characterized in that: The inner wall of the butterfly valve (1) is symmetrically provided with a first sealing ring (4), the outer side of the butterfly valve (1) is fixedly connected to a fixed seat (2), the interior of the fixed seat (2) is provided with a transmission groove (17), the inner wall of the transmission groove (17) is symmetrically slidably connected to an adjustment seat (13), one side of the adjustment seat (13) is fixedly connected to an adjustment block (3), one end of the adjustment block (3) away from the adjustment seat (13) is fixedly connected to a connecting ring (7), one side of the connecting ring (7) is equidistantly fixedly connected to a connecting block (6), one end of the connecting block (6) is fixedly connected to a sealing ring (5), and the inner wall of the sealing ring (5) is provided with a second sealing ring (8).
2. A butterfly valve anti-leakage structure according to claim 1, characterized in that: The transmission groove (17) is internally slidably connected to an adjustment frame (18), the bottom of the adjustment frame (18) is symmetrically fixedly connected to a connecting rod (16), one side of the connecting rod (16) is fixedly connected to a pressure rod (15), and an inclined groove (14) for use with the pressure rod (15) is provided inside the adjustment seat (13).
3. The butterfly valve anti-leakage structure according to claim 2, characterized in that: The inner wall of the transmission groove (17) is symmetrically fixedly connected to a limit rod (12), the outer side of the limit rod (12) is slidably connected to a limit block (11), and the limit block (11) is fixedly connected to the adjustment frame (18).
4. The butterfly valve anti-leakage structure according to claim 2, characterized in that: The transmission groove (17) is rotatably connected to a rotating shaft (21), one end of the rotating shaft (21) is fixedly connected to a turntable (10), a side of the turntable (10) away from the rotating shaft (21) is fixedly connected to a push rod (19), and a sliding groove (24) for use with the push rod (19) is provided inside the adjustment frame (18).
5. The butterfly valve anti-leakage structure according to claim 4, characterized in that: A fixing block (20) is fixedly connected to the inner wall of the fixing seat (2), a worm (22) is rotatably connected between the fixing block (20) and the fixing seat (2), and a worm wheel (23) used in conjunction with the worm (22) is fixedly connected to the outer side of the rotating shaft (21).
6. The butterfly valve anti-leakage structure according to claim 5, characterized in that: One end of the worm (22) is fixedly connected to a knob (9).