Fluorine-lined ball valve with shock absorption and leakage prevention functions
By setting a sealing ring and arc groove in the fluorine-lined ball valve, combined with the double sealing design of the valve stem and O-ring, the leakage problem caused by insufficient vibration and sealing performance of the fluorine-lined valve is solved, and good sealing and shock absorption are achieved. Effect.
Patent Information
- Application Number
- CN202420698022.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-07
AI Technical Summary
During use, existing fluorine-lined valves are prone to leakage problems due to insufficient vibration and sealing performance.
A fluorine-lined ball valve with shock-absorbing and leakage-proof is designed. By setting a sealing ring and arcuate groove at both ends of the valve core, a double sealing is combined with the valve stem and the O-ring, and a vibration absorbing pad is provided between the base and the valve body. to absorb vibration.
It effectively prevents leakage at the connection between the valve core and the upper cover, ensures sealing performance, and reduces vibration through vibration-absorbing pads, and improves shock absorption effect.
Smart Images
Figure CN222255115U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fluorine-lined valves, in particular to a fluorine-lined ball valve with shock absorption and leakage prevention functions. Background Art
[0002] Fluorine-lined valves, also known as fluoroplastic-lined corrosion-resistant valves, are made by molding polytetrafluoroethylene on the inner wall of the valve. The strong corrosion resistance is used to control and guide toxic, harmful and other corrosive gases through the fluorine-lined valve. The use of fluorine-lined valves is inevitable in industries such as petroleum, printing and chemical industry.
[0003] However, during the use of fluorine-lined valves, the pipeline is in long-term vibration, which has a certain impact on the fluorine-lined valves. In addition, the existing fluorine-lined valves have poor sealing performance and will leak after a long period of use.
[0004] Therefore, it is necessary to provide a fluorine-lined ball valve with shock absorption and leakage prevention to solve the above technical problems. Utility Model Content
[0005] The utility model aims to provide a fluorine-lined ball valve with shock absorption and leakage prevention functions, so as to solve the problems raised in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluorine-lined ball valve with shock absorption and leakage prevention, comprising a valve body and a base, the valve body is arranged on the base, a placement groove is provided on the upper surface of the base, a vibration-absorbing pad is provided between the valve body and the placement groove, a mounting block is provided on the upper surface of the base, a slide groove is provided on the arc-shaped side wall of the mounting block, a slider is slidably provided in the slide groove, a rubber pad is embedded in the side wall of the slider, an adjustment hole is provided at the bottom of the slide groove, an adjustment nut is threadedly connected to the adjustment hole, and the end of the adjustment nut is rotatably arranged in the side wall of the slider, a first connecting seat is provided on one side of the valve body, a second connecting seat is provided on the other side of the valve body, a third connecting seat is provided at the upper middle end of the valve body, a spherical groove is provided in the valve body, and the The first connecting seat side wall is sequentially provided with a first through hole and a first placement hole, the first through hole is connected with the spherical groove, a first sealing ring is fixedly connected in the first placement hole, a valve core is movably installed in the spherical groove, and the valve core is a spherical structure, the second connecting seat side wall is sequentially provided with a second through hole and a second placement hole, the second through hole is connected with the spherical groove, a second sealing ring is arranged in the second placement hole, a connecting groove is opened on the top of the valve core, the connecting groove is a square structure, a valve stem is arranged in the connecting groove, a third through hole is opened in the middle of the third connecting seat, the third through hole is connected with the spherical groove, a first groove is opened in the middle of the upper surface of the third connecting seat, a first sealing ring is arranged in the first groove, and an upper cover is arranged on the upper end of the third connecting seat.
[0007] As a preferred technical solution of the utility model, a fourth through hole is opened in the middle of the first sealing ring, a first arc-shaped groove is opened on the side wall of the first sealing ring, the first arc-shaped groove is smoothly connected to the fourth through hole, a fifth through hole is opened in the middle of the second sealing ring, a second arc-shaped groove is opened on the side wall of the second sealing ring, and the valve core is provided with incisions at the positions facing the first arc-shaped groove and the second arc-shaped groove, and a water hole is opened on the side wall of the incision, and the water hole is connected with the first through hole and the second through hole, and the two ends of the water hole of the valve core are respectively fitted with the first arc-shaped groove and the second arc-shaped groove.
[0008] As an optimal technical solution of the utility model, the upper cover is provided with a first connecting hole at each of the four corners, and bolts are arranged in the four first connecting holes. The upper surface of the third connecting seat is provided with a first threaded hole at each of the four corners, and the lower end of the bolt is threadedly connected to the first threaded hole. The middle part of the upper cover is provided with a receiving groove, and the bottom of the receiving groove is provided with a mounting hole. The upper end of the valve stem passes through the mounting hole and the receiving groove in sequence and extends to the top of the upper cover. The connecting part is located in the mounting hole, and a thrust pad is arranged between the step of the connecting part and the inner wall of the mounting hole. A V-shaped filler is sleeved on the outer circumferential surface of the upper end of the connecting part, and the outer circumferential surface of the V-shaped filler is clamped in the mounting hole. Second threaded holes are provided on both sides of the bottom of the receiving groove, and the upper surface of the V-shaped filler is located in the receiving groove. A butterfly spring is arranged on the upper surface of the V-shaped filler. A pressing sleeve is arranged in the receiving groove, and the bottom of the pressing sleeve is pressed tightly on the butterfly spring. Through holes are provided at both ends of the pressing sleeve to cooperate and lock with the second threaded holes.
[0009] As an optimal technical solution of the utility model, the valve stem includes a connecting head, a connecting part, a groove and a connecting rod, the connecting head is square and matched with the shape of the connecting groove, the connecting part is a stepped shaft structure, a groove is provided on the outer circumference of the connecting part, an O-ring is arranged in the groove, the connecting rod structure is diamond-shaped, a third threaded hole is provided on the top of the connecting rod, a rotating wheel is provided on the top of the connecting rod, a square groove is provided at the bottom of the rotating wheel and matched with the shape of the connecting rod, a locking nut is provided in the middle position of the top of the rotating wheel, and the locking nut passes through the rotating wheel and is screwed into the third threaded hole.
[0010] As a preferred technical solution of the present utility model, a first connecting head is provided on the outer side wall of the first connecting seat, and a first sealing gasket is provided between the side wall of the first connecting seat and the side wall of the first connecting head.
[0011] As a preferred technical solution of the present utility model, a second connecting head is provided on the outer side wall of the second connecting seat, and a second sealing gasket is provided between the outer side wall of the second connecting seat and the side wall of the second connecting head.
[0012] As an optimal technical solution of the utility model, the placement groove shape is adapted to the shape of the outer wall of the valve body, the valve body is clamped in the placement groove, and a contoured groove is provided in the vibration absorbing pad, and the contoured groove shape is adapted to the shape of the lower end of the valve body.
[0013] As a preferred technical solution of the utility model, a protrusion is provided on the outer wall of the valve body, a slot is provided on the upper surface of the base, a second groove is provided on the upper surface of the vibration absorbing pad, the protrusion passes through the second groove and is connected to the slot, and an elastic soft pad is provided between the protrusion and the slot.
[0014] As a preferred technical solution of the utility model, locking holes are provided at the four corners of the base.
[0015] Beneficial Effects
[0016] The utility model discloses a fluorine-lined ball valve with shock absorption and leakage prevention. The utility model provides a first sealing ring and a second sealing ring at both ends of the valve core. The first arc groove of the first sealing ring and the second arc groove of the second sealing ring are respectively tightly fitted on the spherical outer wall of the valve core. When the valve core is rotated by the valve stem, the spherical outer wall of the valve core is always fitted with the first sealing ring and the second sealing ring, and the sealing effect is good. When the water hole of the valve core is connected with the first through hole and the second through hole, water is transported. By providing the first sealing ring, water in the spherical groove can be effectively prevented from seeping out from the connection between the third connecting seat and the upper cover, and the sealing effect is good. By providing the O-ring, water in the spherical groove can be prevented from seeping out along the outer circumference of the valve stem. Facing upward outflow, a first sealing ring and an O-ring are set for double sealing, with good sealing performance and good anti-leakage performance. The valve body adopts an integrated design to avoid the problem of leakage at the connection after split assembly. A vibration-absorbing pad is set between the base and the valve body. The vibration generated by the valve body when working is fully absorbed by the vibration-absorbing pad, and the shock absorption effect is good. The slider is pushed along the slide groove by rotating the adjusting nut, and then the rubber pad is pressed against the outer wall of the valve body. On the one hand, the valve body is fixed to prevent the valve body from shaking during use. On the other hand, the rubber pad absorbs the vibration generated by the valve body when working, which plays a shock-absorbing role. An elastic soft pad is set to further absorb the vibration generated by the valve body when working, and the shock absorption effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0018] Figure 1 It is a three-dimensional exploded view of the overall structure of the utility model;
[0019] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model;
[0020] Figure 3 It is a sectional view of the overall structure of the utility model;
[0021] Figure 4 It is a three-dimensional schematic diagram of the valve body structure of the utility model;
[0022] Figure 5 It is a three-dimensional schematic diagram of the upper cover structure of the utility model;
[0023] Figure 6 It is a three-dimensional schematic diagram of the base structure of the utility model;
[0024] Figure 7 It is a three-dimensional schematic diagram of the valve stem structure of the utility model;
[0025] Figure 8 It is a three-dimensional schematic diagram of the first sealing ring structure of the utility model;
[0026] Fig. 9 It is a three-dimensional schematic diagram of the second sealing ring structure of the utility model.
[0027] In the figure: 1. valve body; 101. first connection seat; 1011. first through hole; 1012. first placement hole; 102. second connection seat; 1021. second through hole; 1022. second placement hole; 103. third connection seat; 1031. third through hole; 1032. first cut groove; 1033. first threaded hole; 104. spherical groove; 105. convex block; 2. upper cover; 201. first connection hole; 202. receiving groove; 203. second threaded hole; 204. mounting hole; 3. base; 31. placement groove; 32. mounting block; 33. slide groove; 34. adjustment hole; 35. slot; 36. locking hole; 4. valve stem; 41. connecting head; 42. connecting part; 4 3. Groove; 44. Connecting rod; 45. Third threaded hole; 5. First sealing ring; 51. Fourth through hole; 52. First arc groove; 6. Vibration absorbing pad; 61. Contour groove; 62. Second cut groove; 7. Second sealing ring; 71. Fifth through hole; 72. Second arc groove; 8. Valve core; 81. Water hole; 82. Connecting groove; 9. V-type packing; 10. Butterfly spring; 11. Press sleeve; 12. Slider; 13. Rubber pad; 14. Adjusting nut; 15. First connector; 16. First sealing pad; 17. Second connector; 18. Second sealing pad; 19. First sealing ring; 20. Rotor; 21. Locking nut; 22. O-ring; 23. Thrust pad; 24. Elastic cushion. DETAILED DESCRIPTION
[0028] The embodiments of the present invention are described below with reference to the accompanying drawings. In the process, in order to ensure the clarity and convenience of the description, we may exaggerate the width of the lines or the size of the components in the drawings.
[0029] In addition, the terms used below are defined based on the functions of the present invention and may differ depending on the intention or custom of the user or operator. Therefore, these terms are defined based on the entire contents of this specification.
[0030] like Figures 1 to 9 As shown, a fluorine-lined ball valve with shock absorption and leakage prevention includes a valve body 1 and a base 3. A placement groove 31 is provided on the upper surface of the base 3. The shape of the placement groove 31 is adapted to the shape of the outer wall of the valve body 1. The valve body 1 is clamped in the placement groove 31. A vibration-absorbing pad 6 is provided between the valve body 1 and the placement groove 31. A profiling groove 61 is provided in the vibration-absorbing pad 6. The shape of the profiling groove 61 is adapted to the shape of the lower end of the valve body 1. The vibration generated by the valve body 1 during operation is fully absorbed by the vibration-absorbing pad 6, and the shock absorption effect is good. A mounting block 32 is provided on the upper surface of the base 3. The side wall of the mounting block 32 is arc-shaped. A slide groove 33 is provided on the arc-shaped side wall of the mounting block 32. The slide groove 33 A slider 12 is slidably arranged in the groove 33, and the side wall of the slider 12 is arc-shaped. A rubber pad 13 is embedded in the side wall of the slider 12. An adjustment hole 34 is provided at the bottom of the slide groove 33, and an adjusting nut 14 is threadedly connected to the adjusting hole 34. The end of the adjusting nut 14 is rotatably arranged in the side wall of the slider 12. The slider 12 is pushed to slide along the slide groove 33 by rotating the adjusting nut 14, and then the rubber pad 13 is pressed against the outer wall of the valve body 1. On the one hand, the valve body 1 is fixed to prevent the valve body 1 from shaking during use. On the other hand, the rubber pad 13 absorbs the vibration generated when the valve body 1 is working, thereby playing a shock-absorbing role. Locking holes 36 are provided at the four corners of the base 3.
[0031] like Figure 1 and Figure 4As shown, a first connection seat 101 is provided on one side of the valve body 1, a second connection seat 102 is provided on the other side of the valve body 1, a third connection seat 103 is provided on the upper middle end of the valve body 1, a spherical groove 104 is provided in the valve body 1, a first through hole 1011 and a first placement hole 1012 are provided in the side wall of the first connection seat 101 in sequence, the first through hole 1011 is connected to the spherical groove 104, a first connector 15 is provided on the outer side wall of the first connection seat 101, and a first connector 15 is provided between the side wall of the first connection seat 101 and the side wall of the first connector 15. A first sealing gasket 16 is arranged, and the first sealing gasket 16 is arranged in this way to prevent the water in the spherical groove 104 from leaking through the connection between the first connecting seat 101 and the first connecting head 15. A first sealing ring 5 is fixedly connected in the first placement hole 1012, and a valve core 8 is movably installed in the spherical groove 104. The valve core 8 is a spherical structure. A second through hole 1021 and a second placement hole 1022 are sequentially opened in the middle of the side wall of the second connecting seat 102. The second through hole 1021 is connected to the spherical groove 104. The outer wall of the second connecting seat 102 is provided with A second connector 17 is provided with a second sealing gasket 18 between the outer wall of the second connector seat 102 and the side wall of the second connector 17. The second sealing gasket 18 is provided in this way to prevent water in the spherical groove 104 from leaking through the connection between the second connector seat 102 and the second connector 17. A second sealing ring 7 is provided in the second placement hole 1022. A fourth through hole 51 is provided in the middle of the first sealing ring 5. A first arc groove 52 is provided on the side wall of the first sealing ring 5. The first arc groove 52 is smoothly connected to the fourth through hole 51. A fifth through hole 71 is provided on the valve core 8, a second arc groove 72 is provided on the side wall of the second sealing ring 7, and a notch is provided at the position of the valve core 8 facing the first arc groove 52 and the second arc groove 72, and a water hole 81 is provided on the side wall of the notch, and the water hole 81 is communicated with the first through hole 1011 and the second through hole 1021, and the two ends of the water hole 81 of the valve core 8 are respectively fitted with the first arc groove 52 and the second arc groove 72, so as to ensure that the spherical outer wall of the valve core 8 is always in close contact with the first arc groove 52 and the second arc groove 72 when the valve core 8 rotates, so that the valve core 8 rotates smoothly;
[0032] like Figure 1 and Figure 7As shown, a connecting groove 82 is provided on the top of the valve core 8, and the connecting groove 82 is a square structure. A valve stem 4 is arranged in the connecting groove 82, and the valve stem 4 includes a connecting head 41, a connecting part 42, a groove 43 and a connecting rod 44. The connecting head 41 is square and matches the shape of the connecting groove 82. The connecting part 42 is a stepped shaft structure. A groove 43 is provided on the outer circumference of the connecting part 42. An O-ring 22 is arranged in the groove 43 to prevent the water in the spherical groove 104 from overflowing upward, with good sealing effect to prevent leakage. The connecting rod 44 has a diamond structure, and a third threaded hole 45 is provided on the top of the connecting rod 44. A runner 20 is arranged on the top of the connecting rod 44. The runner 20 A square groove is provided at the bottom to match the shape of the connecting rod 44, a locking nut 21 is provided at the middle position of the top of the rotating wheel 20, the locking nut 21 penetrates the rotating wheel 20 and is screwed into the third threaded hole 45, a third through hole 1031 is provided in the middle of the third connecting seat 103, the third through hole 1031 is communicated with the spherical groove 104, the third connecting seat 103 is square or circular in structure, the four corners of the upper surface of the third connecting seat 103 are provided with first threaded holes 1033, the middle of the upper surface of the third connecting seat 103 is provided with a first groove 1032, a first sealing ring 19 is provided in the first groove 1032 to prevent water from leaking from the connection between the upper cover 2 and the third connecting seat 103, and the sealing effect is good;
[0033] like Figure 1 and Figure 5 As shown, the upper end of the third connecting seat 103 is provided with an upper cover 2, and the four corners of the upper cover 2 are provided with first connecting holes 201, and the four first connecting holes 201 are provided with bolts, and the lower ends of the bolts are threadedly connected in the first threaded holes 1033. A receiving groove 202 is provided in the middle of the upper cover 2, and a mounting hole 204 is provided at the bottom of the receiving groove 202. The upper end of the valve stem 4 passes through the mounting hole 204 and the receiving groove 202 in sequence and extends to the top of the upper cover 2. The connecting portion 42 is located in the mounting hole 204, and the step of the connecting portion 42 is aligned with the mounting hole 204. A thrust pad 23 is arranged between the inner walls, a V-shaped filler 9 is sleeved on the outer circumferential surface of the upper end of the connecting portion 42, the outer circumferential surface of the V-shaped filler 9 is clamped in the mounting hole 204, second threaded holes 203 are provided on both sides of the bottom of the accommodating groove 202, the upper surface of the V-shaped filler 9 is located in the accommodating groove 202, a butterfly spring 10 is arranged on the upper surface of the V-shaped filler 9, a pressing sleeve 11 is arranged in the accommodating groove 202, the bottom of the pressing sleeve 11 is pressed tightly on the butterfly spring 10, and through holes are provided at both ends of the pressing sleeve 11 to cooperate and lock with the second threaded hole 203.
[0034] like Figure 1 and Figure 6As shown, a protrusion 105 is provided on the outer wall of the valve body 1, a slot 35 is provided on the upper surface of the base 3, and a second slot 62 is provided on the upper surface of the vibration absorbing pad 6. The protrusion 105 passes through the second slot 62 and is engaged in the slot 35. An elastic cushion 24 is provided between the protrusion 105 and the slot 35 to further absorb the vibration generated when the valve body 1 is working, and the shock absorbing effect is good.
[0035] The specific implementation method is that the first sealing ring 5 and the second sealing ring 7 are respectively arranged at both ends of the valve core 8, and the first arc groove 52 of the first sealing ring 5 and the second arc groove 72 of the second sealing ring 7 are respectively tightly fitted on the spherical outer wall of the valve core 8. When the valve core 8 is rotated by the valve stem 4, the spherical outer wall of the valve core 8 is always fitted with the first sealing ring 5 and the second sealing ring 7, and the sealing effect is good. When the water hole 81 of the valve core 8 is connected with the first through hole 1011 and the second through hole 1021, water is transported. By arranging the first sealing ring 19, water in the spherical groove 104 can be effectively prevented from seeping out from the connection between the third connecting seat 103 and the upper cover 2, and the sealing effect is good. By arranging the O-ring 22, water in the spherical groove 104 can be prevented from flowing upward along the outer circumference of the valve stem 4 Outflow, a first sealing ring 19 and an O-ring 22 are set for double sealing, with good sealing performance and good anti-leakage performance. The valve body 1 adopts an integrated design to avoid the problem of leakage at the connection after split assembly. A vibration-absorbing pad 6 is set between the base 3 and the valve body 1. The vibration generated by the valve body 1 when working is fully absorbed by the vibration-absorbing pad 6, and the shock absorption effect is good. The slider 12 is pushed to slide along the slide groove 33 by rotating the adjusting nut 14, and then the rubber pad 13 is pressed against the outer wall of the valve body 1. On the one hand, the valve body 1 is fixed to prevent the valve body 1 from shaking during use. On the other hand, the rubber pad 13 absorbs the vibration generated by the valve body 1 when working, which plays a shock-absorbing role. An elastic soft pad 24 is set to further absorb the vibration generated by the valve body 1 when working, and the shock absorption effect is good.
[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A fluorine-lined ball valve with shock absorption and leakage prevention, comprising a valve body (1) and a base (3), wherein the valve body (1) is arranged on the base (3), and is characterized in that: The upper surface of the base (3) is provided with a placement groove (31), a vibration absorbing pad (6) is provided between the valve body (1) and the placement groove (31), the upper surface of the base (3) is provided with a mounting block (32), the arc-shaped side wall of the mounting block (32) is provided with a slide groove (33), a slider (12) is slidably provided in the slide groove (33), a rubber pad (13) is embedded in the side wall of the slider (12), an adjustment hole (34) is provided at the bottom of the slide groove (33), and an adjustment nut (12) is connected to the inner thread of the adjustment hole (34). 4), the end of the adjusting nut (14) is rotatably arranged in the side wall of the slider (12), a first connecting seat (101) is arranged on one side of the valve body (1), a second connecting seat (102) is arranged on the other side of the valve body (1), a third connecting seat (103) is arranged at the middle upper end of the valve body (1), a spherical groove (104) is provided in the valve body (1), a first through hole (1011) and a first placement hole (1012) are sequentially provided on the side wall of the first connecting seat (101), the first through hole (1011) and the first placement hole (1012) are connected to each other in a manner similar to that of the first connecting seat (101). The first placement hole (1012) is connected to the spherical groove (104), a first sealing ring (5) is fixedly connected to the first placement hole (1012), a valve core (8) is movably installed in the spherical groove (104), and the valve core (8) is a spherical structure. A second through hole (1021) and a second placement hole (1022) are sequentially opened in the middle of the side wall of the second connection seat (102), the second through hole (1021) is connected to the spherical groove (104), a second sealing ring (7) is arranged in the second placement hole (1022), and the top of the valve core (8) is A connecting groove (82) is provided, and the connecting groove (82) is a square structure. A valve stem (4) is arranged in the connecting groove (82). A third through hole (1031) is provided in the middle of the third connecting seat (103), and the third through hole (1031) is connected to the spherical groove (104). A first groove (1032) is provided in the middle of the upper surface of the third connecting seat (103), and a first sealing ring (19) is arranged in the first groove (1032). An upper cover (2) is provided at the upper end of the third connecting seat (103).
2. A fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1, characterized in that: A fourth through hole (51) is provided in the middle of the first sealing ring (5), a first arc-shaped groove (52) is provided on the side wall of the first sealing ring (5), and the first arc-shaped groove (52) is smoothly connected to the fourth through hole (51). A fifth through hole (71) is provided in the middle of the second sealing ring (7), and a second arc-shaped groove (72) is provided on the side wall of the second sealing ring (7). The valve core (8) is provided with cutouts at positions facing the first arc-shaped groove (52) and the second arc-shaped groove (72), and a water through hole (81) is provided on the side wall of the cutout. The water through hole (81) is communicated with the first through hole (1011) and the second through hole (1021), and two ends of the water through hole (81) of the valve core (8) are respectively in contact with the first arc-shaped groove (52) and the second arc-shaped groove (72).
3. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized in that: The valve stem (4) comprises a connecting head (41), a connecting part (42), a groove (43) and a connecting rod (44); the connecting head (41) is square and matches the shape of the connecting groove (82); the connecting part (42) is a stepped shaft structure; a groove (43) is provided on the outer circumferential surface of the connecting part (42); an O-ring (22) is arranged in the groove (43); the connecting rod (44) is rhombus-shaped; a third threaded hole (45) is provided at the top of the connecting rod (44); a rotating wheel (20) is provided at the top of the connecting rod (44); a square groove is provided at the bottom of the rotating wheel (20) matches the shape of the connecting rod (44); a locking nut (21) is provided at the middle position of the top of the rotating wheel (20); the locking nut (21) passes through the rotating wheel (20) and is screwed into the third threaded hole (45).
4. A fluorine-lined ball valve with shock absorption and leakage prevention according to claim 3, characterized in that: The upper cover (2) is provided with first connection holes (201) at four corners, and bolts are arranged in the four first connection holes (201). The upper surface of the third connection seat (103) is provided with first threaded holes (1033) at four corners, and the lower ends of the bolts are threadedly connected in the first threaded holes (1033). The middle of the upper cover (2) is provided with a receiving groove (202), and the bottom of the receiving groove (202) is provided with a mounting hole (204). The upper end of the valve stem (4) passes through the mounting hole (204) and the receiving groove (202) in sequence and extends to the top of the upper cover (2). The connecting portion (42) is located in the mounting hole (204), and the step of the connecting portion (42) is aligned with the mounting hole (204). A thrust pad (23) is arranged between the inner walls of the connecting portion (42), a V-shaped filler (9) is sleeved on the outer circumferential surface of the upper end of the connecting portion (42), the outer circumferential surface of the V-shaped filler (9) is clamped in the mounting hole (204), second threaded holes (203) are provided on both sides of the bottom of the accommodating groove (202), the upper surface of the V-shaped filler (9) is located in the accommodating groove (202), a butterfly spring (10) is provided on the upper surface of the V-shaped filler (9), a pressing sleeve (11) is provided in the accommodating groove (202), the bottom of the pressing sleeve (11) is pressed tightly on the butterfly spring (10), and through holes are provided at both ends of the pressing sleeve (11) to cooperate and lock with the second threaded holes (203).
5. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized in that: A first connection head (15) is provided on the outer side wall of the first connection seat (101), and a first sealing gasket (16) is provided between the side wall of the first connection seat (101) and the side wall of the first connection head (15).
6. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized by: A second connecting head (17) is arranged on the outer wall of the second connecting seat (102), and a second sealing gasket (18) is arranged between the outer wall of the second connecting seat (102) and the side wall of the second connecting head (17). The second sealing gasket (18) is arranged in this way to prevent water in the spherical groove (104) from leaking through the connection between the second connecting seat (102) and the second connecting head (17).
7. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized by: The placement groove (31) has an outer shape that matches the outer wall shape of the valve body (1), the valve body (1) is snap-fitted into the placement groove (31), and a contoured groove (61) is provided in the vibration absorbing pad (6), and the contoured groove (61) has an outer shape that matches the outer shape of the lower end of the valve body (1).
8. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized by: The outer wall of the valve body (1) is provided with a protrusion (105), the upper surface of the base (3) is provided with a slot (35), the upper surface of the vibration absorbing pad (6) is provided with a second slot (62), the protrusion (105) passes through the second slot (62) and is engaged in the slot (35), and an elastic soft pad (24) is provided between the protrusion (105) and the slot (35).
9. The fluorine-lined ball valve with shock absorption and leakage prevention according to claim 1 is characterized by: The base (3) is provided with locking holes (36) at four corners.