CN116146744B

CN116146744B - Adjustable wear-resistant ball valve and use method thereof

Info

Publication number: CN116146744B
Application number: CN202310426363.0A
Authority: CN
Inventors: 洪晋姚; 陈庭威; 洪昆炼
Original assignee: Huaying Valve Industry Co ltd
Current assignee: Huaying Valve Industry Co ltd
Priority date: 2023-04-20
Filing date: 2023-04-20
Publication date: 2023-06-23
Anticipated expiration: 2043-04-20
Also published as: CN116146744A

Abstract

The invention relates to the technical field of ball valves and discloses an adjustable wear-resistant ball valve and a use method thereof, which solve the problems that a gap is easy to appear between a valve body and the valve ball after long-time use and the wear-resistant material is inconvenient to replace in the later period; elastic pressure is applied to the movable ring through the elastic pressure adjusting structure, the wear-resistant ring is always in contact with the valve ball, the tightness is improved, the service life is prolonged, and the wear-resistant valve is convenient to use in practice.

Description

Adjustable wear-resistant ball valve and use method thereof

Technical Field

The invention belongs to the technical field of ball valves, and particularly relates to an adjustable wear-resistant ball valve and a use method thereof.

Background

The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. The ball valve can be used for regulating and controlling fluid, the ball valve is mainly used for cutting off, distributing and changing the flowing direction of a medium in a pipeline, the ball valve can be tightly closed only by ninety degrees of rotation and small rotation moment, certain friction can be generated between the ball valve and the valve body in the opening and closing process of the ball valve, and in the prior art, a wear-resistant material is arranged between the ball valve and the valve body, however, the inventor finds that a gap is easy to appear between the valve body and the ball valve after long-time use, and the wear-resistant material is inconvenient to replace in the later period, so that the normal use of the ball valve is influenced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the adjustable wear-resistant ball valve and the use method thereof, which effectively solve the problems that gaps are easy to appear between a valve body and a valve ball and the wear-resistant material is inconvenient to replace in the later period after long-time use in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an adjustable wear-resisting ball valve, which comprises a valve body, the chamber has been seted up in the valve body, hold the intracavity and be equipped with the valve ball, fixedly connected with valve rod on the valve ball, the valve rod runs through the valve body, the junction of valve rod and valve body is equipped with the bearing, the conveying hole has been seted up on the valve ball, set up on the valve body with conveying hole matched with runner, the ring channel has been seted up to the both sides inner wall symmetry in holding the chamber, be equipped with the expansion ring in the ring channel, fixedly connected with wear-resisting ring on the expansion ring, wear-resisting ring contacts with the valve ball, be equipped with on the valve body with expansion ring matched with bullet pressure adjustment structure, the top of valve body is equipped with the control box, control box and valve body pass through the backup pad and are connected, the top of valve rod and the carousel fixed connection that is located the control box, the outside cover of valve rod is equipped with the lift ring, the top of lift ring contacts with the bottom of carousel, lift ring and control box are connected through the reset piece, a plurality of locating holes have been seted up on the carousel, the top fixedly connected with a plurality of reference columns of lift ring, the reference column is located corresponding locating hole, be equipped with respectively with the intermittent type stop subassembly with lift ring and carousel matched with pressing in the control box.

Preferably, the pressing intermittent rotary stopping assembly comprises supporting plates symmetrically arranged on two sides of the lifting ring, the supporting plates are fixedly connected with the lifting ring, a first connecting shaft is arranged above the supporting plates, one end of each first connecting shaft is connected with the control box through a bearing, a cam is arranged on the outer fixed sleeve of each first connecting shaft, the cam is contacted with the top of the supporting plate, a driving unit matched with the two first connecting shafts is arranged on the control box, a rotary sleeve is arranged above the rotary table, a bearing is arranged at the joint of the rotary sleeve and the control box, a damping pressing piece matched with the rotary table is arranged on the rotary sleeve, and one first connecting shaft is connected with the rotary sleeve through a meshing device.

Preferably, the damping pressing part comprises a supporting seat arranged below the rotary sleeve, the top of the supporting seat is fixedly connected with a movable rod, the rotary sleeve is sleeved outside the movable rod, a guide groove is formed in the inner wall of the rotary sleeve, a guide block is arranged in the guide groove, the guide block is fixedly connected with the movable rod, a groove is formed in the bottom of the supporting seat, a friction plate is arranged in the groove, the top of the friction plate is connected with the inner wall of the top of the groove through a first compression spring, the bottom of the friction plate is contacted with the top of the rotary table, a top plate is arranged above the control box, the top end of the movable rod is connected with the top plate through a bearing, and the top plate is connected with the control box through a locking unit.

Preferably, the locking unit comprises two first screw rods fixedly installed at the top of the control box, the first screw rods penetrate through the top plate, two nuts are sleeved outside the first screw rods, and two adjacent nuts are respectively contacted with the top and the bottom of the top plate.

Preferably, the driving unit comprises a rotating shaft arranged in the control box, a bearing is arranged at the joint of the rotating shaft and the control box, a motor is fixedly connected to the control box, the output end of the motor is fixedly connected with one end of the rotating shaft, a first sprocket is fixedly sleeved on the outer portion of the first connecting shaft, two second sprockets are fixedly sleeved on the outer portion of the rotating shaft, and the first sprocket is connected with the corresponding second sprocket through a first chain.

Preferably, the meshing ware includes fixed mounting in the first conical gear of one of them first connecting axle one end, is equipped with the second connecting axle in the control box, and the top and the control box of second connecting axle pass through the bearing and connect, the bottom fixedly connected with of second connecting axle and the second conical gear of first conical gear engaged with, and the outside fixed cover of second connecting axle is equipped with the third sprocket, and the outside fixed cover of rotating sleeve is equipped with the fourth sprocket, and fourth sprocket and third sprocket pass through the second chain and connect.

Preferably, the reset piece comprises a plurality of fixed columns fixedly mounted at the bottom of the lifting ring, a fixed sleeve is sleeved outside the fixed columns, the bottom end of the fixed sleeve is fixedly connected with the inner wall of the bottom of the control box, a second compression spring is sleeved outside the fixed sleeve, and two ends of the second compression spring are fixedly connected with the bottom of the lifting ring and the inner wall of the bottom of the control box respectively.

Preferably, the spring pressure adjusting structure comprises an adjusting ring arranged in the annular groove, the adjusting ring is located on one side, far away from the valve ball, of the movable ring, the adjusting ring is connected with the movable ring through a plurality of third compression springs, two thread grooves are formed in the adjusting ring, a second screw rod is arranged in the thread grooves, one end of the second screw rod is fixedly connected with a gear located on one side of the valve body, a bearing is arranged at the joint of the second screw rod and the valve body, gear rings are symmetrically arranged on two sides of the valve body and meshed with the gear rings, a fixing ring is sleeved on the outer portion of the gear rings, the gear rings are connected with the fixing ring through the bearing, and one side of the fixing ring is fixedly connected with the valve body.

Preferably, the gear ring is fixedly connected with a fixed plate, the fixed ring is provided with a plurality of jacks, the fixed plate is penetrated with a plug rod, one end of the plug rod is positioned in the corresponding jack, the other end of the plug rod is fixedly connected with a movable seat, and the movable seat is connected with the fixed plate through an extension spring.

The invention also provides a use method of the adjustable wear-resistant ball valve, which comprises the following steps of:

step one: the valve body is fixedly arranged between two pipelines for conveying fluid, the first connecting shaft is driven to rotate by the driving unit, the first connecting shaft drives the cam to rotate, and the cam pushes the supporting plate to move downwards so as to enable the positioning column to be separated from the corresponding positioning hole, and the limitation on the positions of the turntable and the valve rod is relieved;

step two: the first connecting shaft rotates, the first connecting shaft drives the rotating sleeve to rotate through the meshing device, the rotating sleeve drives the damping pressing piece to rotate, when the positioning column is separated from the corresponding positioning hole, the damping pressing piece drives the turntable to rotate relative to the lifting ring, and the turntable drives the valve ball to rotate through the valve rod;

step three: along with the continuous rotation of the first connecting shaft, the cam does not apply downward pressure to the supporting plate and the lifting ring any more, the reset piece applies upward force to the lifting ring so as to enable the top of the positioning column to be in contact with the bottom of the turntable, when the damping pressing piece drives the turntable to rotate so as to enable the positioning hole to move to be right above the corresponding positioning column, the reset piece drives the lifting ring to move upwards so as to enable the positioning column to be inserted into the corresponding positioning hole, the turntable is fixed relative to the control box, and at the moment, the damping pressing piece rotates relative to the turntable;

step four: continuously driving the first connecting shaft to rotate through the driving unit, so that the valve rod drives the valve ball to intermittently rotate, and when the valve ball rotates to a preset position, the first connecting shaft stops rotating, and the positioning column is inserted into the corresponding positioning hole, so that the turntable and the valve rod are fixed relative to the valve body;

step five: fluid is conveyed through a flow passage on the valve body and a conveying hole on the valve ball, and when the wear-resisting ring is worn along with the increase of the service time, elastic pressure is applied to the movable ring through the elastic pressure adjusting structure, and the wear-resisting ring is always contacted with the valve ball.

Compared with the prior art, the invention has the beneficial effects that:

the valve body is fixedly arranged between two pipelines needing to convey fluid, the first connecting shaft is driven to rotate through the driving unit, the first connecting shaft drives the cam to rotate, the cam pushes the supporting plate to move downwards so as to enable the positioning column to be separated from the corresponding positioning hole, the limitation on the positions of the turntable and the valve rod is relieved, the first connecting shaft rotates, the first connecting shaft drives the rotating sleeve to rotate through the meshing device, the rotating sleeve drives the damping pressing piece to rotate, when the positioning column is separated from the corresponding positioning hole, the damping pressing piece drives the turntable to rotate relative to the lifting ring, the turntable drives the valve ball to rotate through the valve rod, the cam does not apply downward pressure to the supporting plate and the lifting ring any more along with continuous rotation of the first connecting shaft, the reset piece applies upward force to the lifting ring so as to enable the top of the positioning column to be contacted with the bottom of the turntable, when the damping pressing piece drives the turntable to rotate, when the positioning hole moves to the position right above the corresponding positioning column, the reset piece drives the lifting ring to move upwards, so that the positioning column is inserted into the corresponding positioning hole, the rotary table is fixed relative to the control box, the damping pressing piece rotates relative to the rotary table at the moment, the driving unit continuously drives the first connecting shaft to rotate, the valve rod drives the valve ball to intermittently rotate, when the valve ball rotates to a preset position, the first connecting shaft stops rotating, the positioning column is inserted into the corresponding positioning hole, so that the rotary table and the valve rod are fixed relative to the valve body, fluid is conveyed through a runner on the valve body and a conveying hole on the valve ball, and when the wear-resisting ring is worn, elastic pressure is applied to the movable ring through the elastic pressure adjusting structure, the wear-resisting ring is always contacted with the valve ball, so that the sealing performance and the service life are improved, and the practical use is convenient;

the first compression spring applies downward pressure to the friction plate so as to enable the friction plate to be clung to the turntable, when the positioning column is separated from the positioning hole, the rotating sleeve can drive the movable rod to rotate through the guide block, the movable rod drives the supporting seat and the friction plate to rotate, the friction plate drives the turntable to rotate along with the friction plate, the working personnel vertically moves the top plate so as to enable the movable rod and the supporting seat to vertically move relative to the turntable, the length of the friction plate in the groove is changed, the deformation degree of the first compression spring is adjusted so as to change the force of the first compression spring for pressing the friction plate, after the height of the top plate is adjusted, the working personnel drives the adjacent two nuts to rotate, the adjacent two nuts clamp the top plate, and then the top plate is fixed relative to the control box, and the height adjustment of the movable rod is completed;

the motor drives the rotating shaft and the second sprocket to rotate, the second sprocket drives the first sprocket and the first connecting shaft to rotate through the first chain, when the first connecting shaft rotates, the first connecting shaft drives the first conical gear to rotate, the first conical gear drives the second connecting shaft and the third sprocket to rotate through the second conical gear, the third sprocket drives the fourth sprocket and the rotating sleeve to rotate through the second chain, the motor can synchronously drive the first connecting shaft and the rotating sleeve to rotate, when the lifting ring moves downwards, the second compression spring is in a compression state, the fixed column moves downwards relative to the fixed sleeve, when the cam does not press the supporting plate any more, the second compression spring applies upward force to the lifting ring, and when the positioning hole moves to be right above the corresponding positioning column, the second compression spring drives the lifting ring to move upwards, so that the positioning column is inserted into the corresponding positioning hole, and the initial height of the lifting ring can be reset;

the third compression spring is in a compression state, the third compression spring applies pressure to the movable ring, so that the wear-resistant ring is clung to the valve ball, the worker drives the movable seat to move, the inserting rod is separated from the corresponding inserting hole, the tension spring is in a tension state, the worker drives the gear ring to rotate, the gear ring drives the gear and the second screw rod to rotate, the length of the second screw rod in the thread groove is changed, the distance between the adjusting ring and the movable ring is further adjusted, the deformation degree of the third compression spring is changed, and the force of the wear-resistant ring pressing the valve ball can be adjusted according to actual requirements.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the inside of the valve body of the present invention;

FIG. 3 is a schematic view of a valve body of the present invention in cross-section;

FIG. 4 is a schematic view of the structure of the control box of the present invention;

FIG. 5 is a schematic view of the spring adjusting structure of the present invention;

FIG. 6 is a schematic diagram showing the detachment of the restoring member according to the present invention;

FIG. 7 is a schematic view of a support seat of the present invention in cross section;

fig. 8 is a schematic structural view of the driving unit of the present invention.

In the figure: 1. a valve body; 2. a control box; 3. a support plate; 4. a receiving chamber; 5. a flow passage; 6. a valve ball; 7. an annular groove; 8. a movable ring; 9. a wear ring; 10. a valve stem; 11. a rod; 12. a movable seat; 13. a turntable; 14. a lifting ring; 15. positioning columns; 16. positioning holes; 17. a supporting plate; 18. a first connecting shaft; 19. a cam; 20. a rotating sleeve; 21. a movable rod; 22. a support base; 23. a groove; 24. a friction plate; 25. a first compression spring; 26. a guide groove; 27. a guide block; 28. a top plate; 29. a first screw rod; 30. a nut; 31. a rotating shaft; 32. a motor; 33. a first sprocket; 34. a second sprocket; 35. a first chain; 36. a first bevel gear; 37. a second connecting shaft; 38. a second bevel gear; 39. a third sprocket; 40. a fourth sprocket; 41. a second chain; 42. fixing the column; 43. a fixed sleeve; 44. a second compression spring; 45. an adjusting ring; 46. a third compression spring; 47. a thread groove; 48. a second screw rod; 49. a gear; 50. a gear ring; 51. a fixing ring; 52. a fixing plate; 53. a jack; 54. and (5) stretching the spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one: as shown in fig. 1 to 8, the invention comprises a valve body 1, a containing cavity 4 is arranged in the valve body 1, a valve ball 6 is arranged in the containing cavity 4, a valve rod 10 is fixedly connected to the valve ball 6, the valve rod 10 penetrates through the valve body 1, a bearing is arranged at the joint of the valve rod 10 and the valve body 1, a conveying hole is arranged on the valve ball 6, a runner 5 matched with the conveying hole is arranged on the valve body 1, annular grooves 7 are symmetrically arranged on the inner walls of two sides of the containing cavity 4, a movable ring 8 is arranged in the annular grooves 7, a wear-resisting ring 9 is fixedly connected to the movable ring 8, the wear-resisting ring 9 is contacted with the valve ball 6, a spring-pressing adjusting structure matched with the movable ring 8 is arranged on the valve body 1, a control box 2 is arranged above the valve body 1, the control box 2 and the valve body 1 are connected through a supporting plate 3, the top end of the valve rod 10 is fixedly connected with a turntable 13 positioned in the control box 2, a lifting ring 14 is sleeved outside the valve rod 10, the top of the lifting ring 14 is contacted with the bottom of the turntable 13, the lifting ring 14 is connected with the control box 2 through a reset piece, a plurality of positioning holes 16 are arranged on the positioning columns 15 are fixedly connected with the top of the lifting ring 14, and the positioning columns 15 are correspondingly arranged in the turntable 13, and are respectively matched with the positioning columns 16 in the turntable 13, and are positioned in the turntable columns 13, and are in the positioning columns and are matched with the positioning columns 13; along with the increase of the service time, when the wear-resistant ring 9 wears, elastic pressure is applied to the movable ring 8 through the elastic pressure adjusting structure, and the wear-resistant ring 9 is always contacted with the valve ball 6, so that the tightness and the service life are improved, and the practical use is convenient.

Embodiment two: on the basis of the first embodiment, as shown in fig. 4, 6, 7 and 8, the pressing intermittent rotary stopping assembly comprises supporting plates 17 symmetrically arranged on two sides of a lifting ring 14, the supporting plates 17 are fixedly connected with the lifting ring 14, a first connecting shaft 18 is arranged above the supporting plates 17, one end of the first connecting shaft 18 is connected with a control box 2 through a bearing, a cam 19 is fixedly sleeved outside the first connecting shaft 18, the cam 19 is contacted with the top of the supporting plates 17, a driving unit matched with the two first connecting shafts 18 is arranged on the control box 2, a rotary sleeve 20 is arranged above a rotary table 13, a bearing is arranged at the joint of the rotary sleeve 20 and the control box 2, a damping pressing piece matched with the rotary table 13 is arranged on the rotary sleeve 20, and one first connecting shaft 18 is connected with the rotary sleeve 20 through a meshing device;

the first connecting shaft 18 is driven to rotate by the driving unit, the first connecting shaft 18 drives the cam 19 to rotate, the cam 19 pushes the supporting plate 17 to move downwards so as to enable the positioning column 15 to be separated from the corresponding positioning hole 16, the limitation on the positions of the turntable 13 and the valve rod 10 is relieved, the first connecting shaft 18 drives the rotating sleeve 20 to rotate through the meshing device while the first connecting shaft 18 rotates, the rotating sleeve 20 drives the damping pressing piece to rotate, when the positioning column 15 is separated from the corresponding positioning hole 16, the damping pressing piece drives the turntable 13 to rotate relative to the lifting ring 14, the turntable 13 drives the valve ball 6 to rotate through the valve rod 10, the cam 19 does not apply downward pressure to the supporting plate 17 and the lifting ring 14 any more along with the continuous rotation of the first connecting shaft 18, the resetting piece applies upward force to the lifting ring 14 so as to enable the top of the positioning column 15 to be in contact with the bottom of the turntable 13, when the damping pressing piece drives the turntable 13 to rotate so as to enable the positioning hole 16 to move to be right above the corresponding positioning column 15, the resetting piece drives the lifting ring 14 to move upwards so as to enable the positioning column 15 to be inserted into the corresponding positioning hole 16, when the turntable 13 is fixed relative to the control box 2, and the turntable 13 is relatively pressed.

Embodiment III: on the basis of the second embodiment, as shown in fig. 4 and 7, the damping pressing part comprises a supporting seat 22 arranged below a rotating sleeve 20, the top of the supporting seat 22 is fixedly connected with a movable rod 21, the rotating sleeve 20 is sleeved outside the movable rod 21, a guide groove 26 is formed in the inner wall of the rotating sleeve 20, a guide block 27 is arranged in the guide groove 26, the guide block 27 is fixedly connected with the movable rod 21, a groove 23 is formed in the bottom of the supporting seat 22, a friction plate 24 is arranged in the groove 23, the top of the friction plate 24 is connected with the top inner wall of the groove 23 through a first compression spring 25, the bottom of the friction plate 24 is contacted with the top of a turntable 13, a top plate 28 is arranged above the control box 2, the top of the movable rod 21 is connected with the top plate 28 through a bearing, the top plate 28 is connected with the control box 2 through a locking unit, the locking unit comprises two first lead screws 29 fixedly mounted on the top of the control box 2, the first lead screws 29 penetrate the top plate 28, two nuts 30 are sleeved outside the first lead screws 29, and the two adjacent nuts 30 are respectively contacted with the top and the bottom of the top plate 28;

the first compression spring 25 is in a compressed state, the first compression spring 25 applies downward pressure to the friction plate 24 so as to enable the friction plate 24 to be clung to the turntable 13, when the positioning column 15 is separated from the positioning hole 16, the rotating sleeve 20 can drive the movable rod 21 to rotate through the guide block 27, the movable rod 21 drives the supporting seat 22 and the friction plate 24 to rotate, the friction plate 24 further enables the turntable 13 to drive the friction plate 24 to rotate, a worker vertically moves the top plate 28 so as to enable the movable rod 21 and the supporting seat 22 to vertically move relative to the turntable 13, the length of the friction plate 24 in the groove 23 is changed, the deformation degree of the first compression spring 25 is adjusted so as to change the force of the first compression spring 25 for pressing the friction plate 24, after the height of the top plate 28 is adjusted, the worker drives the adjacent two nuts 30 to rotate, the adjacent two nuts 30 clamp the top plate 28, the top plate 28 is further fixed relative to the control box 2, and the height of the movable rod 21 is adjusted.

Embodiment four: on the basis of the second embodiment, as shown in fig. 4, 6, 7 and 8, the driving unit comprises a rotating shaft 31 arranged in a control box 2, a bearing is arranged at the joint of the rotating shaft 31 and the control box 2, a motor 32 is fixedly connected to the control box 2, the output end of the motor 32 is fixedly connected with one end of the rotating shaft 31, a first chain wheel 33 is fixedly sleeved outside a first connecting shaft 18, two second chain wheels 34 are fixedly sleeved outside the rotating shaft 31, the first chain wheels 33 and the corresponding second chain wheels 34 are connected through a first chain 35, the meshing device comprises a first conical gear 36 fixedly arranged at one end of one of the first connecting shafts 18, a second connecting shaft 37 is arranged in the control box 2, the top end of the second connecting shaft 37 is connected with the control box 2 through the bearing, the bottom end of the second connecting shaft 37 is fixedly connected with a second bevel gear 38 meshed with the first bevel gear 36, a third chain wheel 39 is fixedly sleeved outside the second connecting shaft 37, a fourth chain wheel 40 is fixedly sleeved outside the rotary sleeve 20, the fourth chain wheel 40 and the third chain wheel 39 are connected through a second chain 41, the reset piece comprises a plurality of fixed columns 42 fixedly arranged at the bottom of the lifting ring 14, a fixed sleeve 43 is sleeved outside the fixed columns 42, the bottom end of the fixed sleeve 43 is fixedly connected with the inner wall of the bottom of the control box 2, a second compression spring 44 is sleeved outside the fixed sleeve 43, and two ends of the second compression spring 44 are fixedly connected with the bottom of the lifting ring 14 and the inner wall of the bottom of the control box 2 respectively;

the motor 32 drives the rotating shaft 31 and the second sprocket 34 to rotate, the second sprocket 34 drives the first sprocket 33 and the first connecting shaft 18 to rotate through the first chain 35, when the first connecting shaft 18 rotates, the first connecting shaft 18 drives the first bevel gear 36 to rotate, the first bevel gear 36 drives the second connecting shaft 37 and the third sprocket 39 to rotate through the second bevel gear 38, the third sprocket 39 drives the fourth sprocket 40 and the rotating sleeve 20 to rotate through the second chain 41, the motor 32 can synchronously drive the first connecting shaft 18 and the rotating sleeve 20 to rotate, when the lifting ring 14 moves downwards, the second compression spring 44 is in a compressed state, the fixed post 42 moves downwards relative to the fixed sleeve 43, when the cam 19 does not press the supporting plate 17 any more, the second compression spring 44 applies upward force to the lifting ring 14, and when the positioning hole 16 moves to be right above the corresponding positioning post 15, the second compression spring 44 drives the lifting ring 14 to move upwards so that the positioning post 15 is inserted into the corresponding positioning hole 16, and the initial height of the lifting ring 14 can be reset.

Fifth embodiment: on the basis of the first embodiment, as shown in fig. 1, fig. 2 and fig. 5, the spring pressure adjusting structure comprises an adjusting ring 45 arranged in an annular groove 7, the adjusting ring 45 is positioned on one side of a movable ring 8 far away from a valve ball 6, the adjusting ring 45 is connected with the movable ring 8 through a plurality of third compression springs 46, two thread grooves 47 are formed in the adjusting ring 45, a second screw rod 48 is arranged in the thread grooves 47, one end of the second screw rod 48 is fixedly connected with a gear 49 positioned on one side of a valve body 1, a bearing is arranged at the joint of the second screw rod 48 and the valve body 1, gear rings 50 are symmetrically arranged on two sides of the valve body 1, the gear 49 is meshed with the gear rings 50, a fixed ring 51 is sleeved outside the gear rings 50, the gear rings 50 are connected with the fixed ring 51 through bearings, one side of the fixed ring rings 51 is fixedly connected with the valve body 1, a plurality of jacks 53 are formed in the fixed ring rings 51, an inserting rod 11 penetrates through the fixed plate 52, one end of the inserting rod 11 is positioned in the corresponding jack 53, the other end of the inserting rod 11 is fixedly connected with a movable seat 12, and the movable seat 12 is connected with the fixed plate 52 through a stretching spring 54;

the third compression spring 46 is in the compression state, the third compression spring 46 exerts pressure on the movable ring 8, so that the wear-resisting ring 9 is clung to the valve ball 6, a worker drives the movable seat 12 to move, so that the inserted link 11 is separated from the corresponding insertion hole 53, the extension spring 54 is in the extension state, the worker drives the gear ring 50 to rotate, the gear ring 50 drives the gear 49 and the second screw rod 48 to rotate, the length of the second screw rod 48 in the thread groove 47 is changed, and then the distance between the adjusting ring 45 and the movable ring 8 is adjusted, so that the deformation degree of the third compression spring 46 is changed, and the force of the wear-resisting ring 9 pressing the valve ball 6 can be adjusted according to actual requirements.

The application method of the adjustable wear-resistant ball valve comprises the following steps:

step one: the valve body 1 is fixedly arranged between two pipelines needing to convey fluid, the first connecting shaft 18 is driven to rotate through the driving unit, the first connecting shaft 18 drives the cam 19 to rotate, the cam 19 pushes the supporting plate 17 to move downwards, so that the positioning column 15 is separated from the corresponding positioning hole 16, and the limitation on the positions of the turntable 13 and the valve rod 10 is released;

step two: while the first connecting shaft 18 rotates, the first connecting shaft 18 drives the rotating sleeve 20 to rotate through the meshing device, the rotating sleeve 20 drives the damping pressing piece to rotate, and when the positioning column 15 is separated from the corresponding positioning hole 16, the damping pressing piece drives the turntable 13 to rotate relative to the lifting ring 14, and the turntable 13 drives the valve ball 6 to rotate through the valve rod 10;

step three: with the continuous rotation of the first connecting shaft 18, the cam 19 no longer applies downward pressure to the supporting plate 17 and the lifting ring 14, the reset piece applies upward force to the lifting ring 14 so as to enable the top of the positioning column 15 to be in contact with the bottom of the turntable 13, when the damping pressing piece drives the turntable 13 to rotate so as to enable the positioning hole 16 to move to be right above the corresponding positioning column 15, the reset piece drives the lifting ring 14 to move upwards so as to enable the positioning column 15 to be inserted into the corresponding positioning hole 16, the turntable 13 is fixed relative to the control box 2, and at the moment, the damping pressing piece rotates relative to the turntable 13;

step four: continuously driving the first connecting shaft 18 to rotate through the driving unit, so that the valve rod 10 drives the valve ball 6 to intermittently rotate, when the valve ball 6 rotates to a preset position, the first connecting shaft 18 stops rotating, and the positioning column 15 is inserted into the corresponding positioning hole 16, so that the turntable 13 and the valve rod 10 are fixed relative to the valve body 1;

step five: fluid is conveyed through the flow passage 5 on the valve body 1 and the conveying hole on the valve ball 6, and when the wear-resisting ring 9 wears along with the increase of the service time, elastic pressure is applied to the movable ring 8 through the elastic pressure adjusting structure, and the wear-resisting ring 9 always contacts with the valve ball 6.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although 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 alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an adjustable wear-resisting ball valve, includes valve body (1), its characterized in that: the utility model discloses a rotary table, including valve body (1), hold chamber (4) has been seted up in valve body (1), hold chamber (4) in be equipped with valve ball (6), fixedly connected with valve rod (10) on valve ball (6), valve rod (10) run through valve body (1), the junction of valve rod (10) and valve body (1) is equipped with the bearing, the delivery port has been seted up on valve ball (6), set up on valve body (1) with delivery port matched with runner (5), annular groove (7) have been seted up to the both sides inner wall symmetry in holding chamber (4), be equipped with expansion ring (8) in annular groove (7), fixedly connected with wear ring (9) on expansion ring (8), wear ring (9) and valve ball (6) contact, be equipped with on valve body (1) with expansion ring (8) cooperation spring pressure adjustment structure, the top of valve body (1) is equipped with control box (2), control box (2) and valve body (1) are connected through backup pad (3), the top and the carousel (13) that are located in control box (2) of valve rod (10) are fixedly connected, the outside cover of valve rod (10) is equipped with lift ring (14), the top that is equipped with lift ring (14) and carousel (13) are located on the carousel (14) and the top (16) are connected with a plurality of locating pieces through contact hole (16) on carousel (13), the top of the lifting ring (14) is fixedly connected with a plurality of positioning columns (15), the positioning columns (15) are positioned in corresponding positioning holes (16), and a pressing intermittent rotary stop assembly which is respectively matched with the lifting ring (14) and the rotary table (13) is arranged in the control box (2);

the pressing intermittent rotary stopping assembly comprises supporting plates (17) symmetrically arranged on two sides of a lifting ring (14), the supporting plates (17) are fixedly connected with the lifting ring (14), first connecting shafts (18) are arranged above the supporting plates (17), one ends of the first connecting shafts (18) are connected with a control box (2) through bearings, cams (19) are fixedly sleeved outside the first connecting shafts (18), the cams (19) are contacted with the tops of the supporting plates (17), driving units matched with the two first connecting shafts (18) are arranged on the control box (2), a rotary sleeve (20) is arranged above a rotary table (13), bearings are arranged at the joint of the rotary sleeve (20) and the control box (2), damping pressing pieces matched with the rotary table (13) are arranged on the rotary sleeve (20), and one first connecting shaft (18) is connected with the rotary sleeve (20) through a meshing device;

the damping pressing piece comprises a supporting seat (22) arranged below a rotating sleeve (20), the top of the supporting seat (22) is fixedly connected with a movable rod (21), the rotating sleeve (20) is sleeved outside the movable rod (21), a guide groove (26) is formed in the inner wall of the rotating sleeve (20), a guide block (27) is arranged in the guide groove (26), the guide block (27) and the movable rod (21) are fixedly connected, a groove (23) is formed in the bottom of the supporting seat (22), a friction plate (24) is arranged in the groove (23), the top of the friction plate (24) is connected with the top inner wall of the groove (23) through a first compression spring (25), the bottom of the friction plate (24) is in contact with the top of a rotary table (13), a top plate (28) is arranged above a control box (2), the top of the movable rod (21) is connected with the top plate (28) through a bearing, and the top plate (28) is connected with the control box (2) through a locking unit.

2. The adjustable wear-resistant ball valve of claim 1, wherein: the locking unit comprises two first screw rods (29) fixedly mounted at the top of the control box (2), the first screw rods (29) penetrate through the top plate (28), two nuts (30) are sleeved outside the first screw rods (29), and the two adjacent nuts (30) are respectively contacted with the top and the bottom of the top plate (28).

3. The adjustable wear-resistant ball valve of claim 1, wherein: the driving unit comprises a rotating shaft (31) arranged in a control box (2), a bearing is arranged at the joint of the rotating shaft (31) and the control box (2), a motor (32) is fixedly connected to the control box (2), the output end of the motor (32) is fixedly connected with one end of the rotating shaft (31), a first chain wheel (33) is fixedly sleeved on the outer portion of the first connecting shaft (18), two second chain wheels (34) are fixedly sleeved on the outer portion of the rotating shaft (31), and the first chain wheels (33) are connected with the corresponding second chain wheels (34) through a first chain (35).

4. The adjustable wear-resistant ball valve of claim 1, wherein: the meshing ware includes fixed mounting in first conical gear (36) of one of them first connecting axle (18) one end, be equipped with second connecting axle (37) in control box (2), the top and the control box (2) of second connecting axle (37) are connected through the bearing, the bottom fixedly connected with of second connecting axle (37) and first conical gear (36) engaged with second conical gear (38), the outside fixed cover of second connecting axle (37) is equipped with third sprocket (39), the outside fixed cover of swivel sleeve (20) is equipped with fourth sprocket (40), fourth sprocket (40) and third sprocket (39) are connected through second chain (41).

5. The adjustable wear-resistant ball valve of claim 1, wherein: the reset piece comprises a plurality of fixed columns (42) fixedly arranged at the bottom of the lifting ring (14), a fixed sleeve (43) is sleeved outside the fixed columns (42), the bottom end of the fixed sleeve (43) is fixedly connected with the inner wall of the bottom of the control box (2), a second compression spring (44) is sleeved outside the fixed sleeve (43), and two ends of the second compression spring (44) are fixedly connected with the bottom of the lifting ring (14) and the inner wall of the bottom of the control box (2) respectively.

6. The adjustable wear-resistant ball valve of claim 1, wherein: the spring pressure adjusting structure comprises an adjusting ring (45) arranged in an annular groove (7), the adjusting ring (45) is located on one side, far away from a valve ball (6), of a movable ring (8), the adjusting ring (45) is connected with the movable ring (8) through a plurality of third compression springs (46), two thread grooves (47) are formed in the adjusting ring (45), a second screw rod (48) is arranged in the thread grooves (47), one end of the second screw rod (48) is fixedly connected with a gear (49) located on one side of a valve body (1), a bearing is arranged at the joint of the second screw rod (48) and the valve body (1), gear rings (50) are symmetrically arranged on two sides of the valve body (1), the gear (49) are meshed with the gear rings (50), a fixed ring (51) is sleeved outside the gear rings (50), the gear rings (50) are connected with the fixed rings (51) through bearings, and one side of the fixed ring (51) is fixedly connected with the valve body (1).

7. The adjustable wear-resistant ball valve of claim 6, wherein: fixed plate (52) is fixedly connected with on ring gear (50), a plurality of jacks (53) have been seted up on fixed ring (51), run through on fixed plate (52) have inserted bar (11), and one end of inserted bar (11) is located corresponding jack (53), and the other end fixedly connected with movable seat (12) of inserted bar (11), and movable seat (12) and fixed plate (52) are connected through extension spring (54).

8. A method of using the regulated wear resistant ball valve of claim 1, wherein: the method comprises the following steps:

step one: the valve body (1) is fixedly arranged between two pipelines for conveying fluid, the first connecting shaft (18) is driven to rotate through the driving unit, the first connecting shaft (18) drives the cam (19) to rotate, the cam (19) pushes the supporting plate (17) to move downwards, so that the positioning column (15) is separated from the corresponding positioning hole (16), and the limitation on the positions of the turntable (13) and the valve rod (10) is released;

step two: the first connecting shaft (18) rotates, the first connecting shaft (18) drives the rotary sleeve (20) to rotate through the meshing device, the rotary sleeve (20) drives the damping pressing piece to rotate, when the positioning column (15) is separated from the corresponding positioning hole (16), the damping pressing piece drives the rotary table (13) to rotate relative to the lifting ring (14), and the rotary table (13) drives the valve ball (6) to rotate through the valve rod (10);

step three: along with the continuous rotation of the first connecting shaft (18), the cam (19) does not apply downward pressure to the supporting plate (17) and the lifting ring (14) any more, the reset piece applies upward force to the lifting ring (14) so as to enable the top of the positioning column (15) to be in contact with the bottom of the rotary table (13), when the damping pressing piece drives the rotary table (13) to rotate so as to enable the positioning hole (16) to move to be right above the corresponding positioning column (15), the reset piece drives the lifting ring (14) to move upwards so as to enable the positioning column (15) to be inserted into the corresponding positioning hole (16), the rotary table (13) is fixed relative to the control box (2), and at the moment, the damping pressing piece rotates relative to the rotary table (13);

step four: the first connecting shaft (18) is continuously driven to rotate through the driving unit, so that the valve rod (10) drives the valve ball (6) to intermittently rotate, when the valve ball (6) rotates to a preset position, the first connecting shaft (18) stops rotating, and the positioning column (15) is inserted into the corresponding positioning hole (16) so as to fix the turntable (13) and the valve rod (10) relative to the valve body (1);

step five: fluid is conveyed through a flow passage (5) on the valve body (1) and a conveying hole on the valve ball (6), and when the wear-resisting ring (9) is worn along with the increase of service time, elastic pressure is applied to the movable ring (8) through the elastic pressure adjusting structure, and the wear-resisting ring (9) is always contacted with the valve ball (6).