CN213928467U - Adjustable turbine valve connecting piece - Google Patents
Adjustable turbine valve connecting piece Download PDFInfo
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- CN213928467U CN213928467U CN202022994948.7U CN202022994948U CN213928467U CN 213928467 U CN213928467 U CN 213928467U CN 202022994948 U CN202022994948 U CN 202022994948U CN 213928467 U CN213928467 U CN 213928467U
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Abstract
The utility model relates to a turbine valve connecting piece with adjustable, include: the supporting seat is used for being connected with the valve shell, and a rotating cavity is arranged in the supporting seat; the driving rod is positioned in the rotating cavity, a rotating connecting end A of the driving rod is rotatably connected with the middle part of the supporting seat, and the middle part of the push rod is connected with a driving shaft; the side wall of the rotating cavity is provided with an arc-shaped driving opening, and the rotating connecting end of the push rod is positioned at the center of the rotating cavity; the linkage reed comprises a driving part and a pushing part, the driving part and the pushing part are both arc-shaped structures, the end parts of the driving part and the pushing part are connected through an adjusting part, and the adjusting part comprises a convex surface; one end of the driving part is fixedly connected to the free rotating end A of the driving rod, and one end of the pushing part is fixed to the free rotating end B of the pushing rod; the regulator comprises a connecting sleeve fixed on the side wall of the supporting seat, and a regulating ejector rod is connected in the connecting sleeve in a sliding mode.
Description
Technical Field
The utility model relates to a turbine valve connecting piece with adjustable belongs to turbine accessory field.
Background
The traditional turbine controller is directly connected to a driving arm of the valve through a push rod, so that vibration generated when the turbine rotates at a high speed can be transmitted to the turbine controller, and the vibration can accelerate the friction speed of a sealing element of a piston in the turbine controller, so that the sealing element is abraded too fast, and the induction performance of the turbine controller is further influenced; meanwhile, the opening sensitivity and the maximum angle of the turbine valve can be adjusted only through the threaded sleeve on the adjusting push rod, after the adjustment is completed, the adjusting push rod is prevented from loosening and loosing in connection by additionally installing a locking nut, the adjustment is complex, and more tools are needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the technical problem in the prior art is overcome, and an adjustable turbine valve connecting piece is provided.
The utility model provides a technical scheme that its technical problem adopted is:
an adjustable turbine valve coupling comprising:
the supporting seat is used for being connected with the valve shell, and a cylindrical rotating cavity is arranged in the supporting seat;
the driving rod is positioned in the rotating cavity, a rotating connecting end A of the driving rod is rotatably connected with the middle part of the supporting seat, the middle part of the push rod is connected with the driving shaft, and a free rotating end A of the driving rod extends into the valve shell to be fixedly connected with the valve;
the side wall of the rotating cavity is provided with an arc-shaped driving opening, the rotating connecting end of the push rod is positioned in the center of the rotating cavity and is rotatably connected with the end part of the driving rod, the free rotating end B of the push rod extends to the outside of the supporting seat through the driving opening, the free rotating end B of the push rod is connected with a driving arm, and the driving arm is provided with a strip-shaped sliding groove;
the linkage reed comprises a driving part and a pushing part, the driving part and the pushing part are both arc-shaped structures, arc-shaped openings of the driving part and the pushing part face the middle part of the supporting seat, the end parts of the driving part and the pushing part are connected through an adjusting part, the adjusting part comprises a convex surface protruding relative to the pushing part, and an included angle between the convex surface and the surface of the pushing part is smaller than 180 degrees; one end of the driving part is fixedly connected to the free rotating end A of the driving rod, and one end of the pushing part is fixed to the free rotating end B of the pushing rod;
the regulator comprises a connecting sleeve fixed on the side wall of the supporting seat, the axis of the connecting sleeve is parallel to the tangent line of the inner wall of the rotating cavity, an adjusting ejector rod is connected in the connecting sleeve in a sliding mode, and the end portion of the adjusting ejector rod extends into the rotating cavity and contacts with the convex surface.
As a further improvement of the utility model, the inner wall of the rotating cavity is provided with a copper sliding contact piece.
As a further improvement of the utility model, the side wall of the rotating cavity is provided with an arc-shaped movable protruding cavity, and the protruding surface extends to the movable protruding cavity.
As a further improvement, the middle part of the movable protruding cavity is provided with a sliding sleeve along the radial axis of the rotary cavity, and is connected with a limit push rod through the sliding sleeve, the end part of the limit push rod is connected with a limit drive plate, and the two ends of the limit drive plate are provided with arc-shaped supporting protrusions, and the pushing part of the linkage reed is embedded between the supporting protrusions.
As a further improvement of the utility model, a stop block a and a supporting block a are arranged on the driving rod, a clamping screw a is connected on the supporting block a through a thread, and the end part of the driving part is clamped between the end part of the clamping screw a and the stop block a; the pushing rod is provided with a stop block B and a supporting block B, the supporting block B is connected with a clamping screw B through threads, and the end part of the pushing part is clamped between the end part of the clamping screw B and the stop block B.
As a further improvement, the adjusting ejector rod side wall is connected with the connecting sleeve through threads.
The utility model has the advantages that:
1. the utility model eliminates the vibration transmission of the turbine to the turbine controller by the reed through the valve connecting mechanism pushed by the arc reed; meanwhile, the sensitivity of the mechanism can be improved by adjusting the local pre-tightening degree of the reed, and the dead stroke and the maximum opening degree of the turbine controller can be conveniently adjusted by pre-tightening the reed.
2. The utility model discloses a friction between linkage reed inner wall and the supporting seat inner wall can be reduced to the slip contact piece, promotes the life-span of linkage reed, can reduce the frictional force between linkage reed and the supporting seat inner wall simultaneously, hoist mechanism's sensitivity.
3. The movable bulge cavity can prevent friction and extrusion between the adjusting part and the inner wall of the supporting seat, prevent the adjusting part from being blocked, and prevent the failure of the mechanism.
4. The limiting driving plate can pre-tighten the pushing part of the linkage reed to adjust the opening sensitivity of the mechanism additionally, and meanwhile, when the mechanism breaks down, the linkage reed can be pulled forcibly to ensure the opening of the valve.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1. a supporting seat; 2. a drive opening; 3. a sliding contact piece; 4. a drive rod; 5. a push rod; 6. a pushing part; 7. an adjustment section; 8. a drive section; 9. moving the bulge cavity; 10. a sliding sleeve; 11. a limit push rod; 12. a limiting driving plate; 13. a support boss; 14. a supporting block A; 15. a support block B; 16. a sliding groove; 17. a drive arm; 18. connecting sleeves; 19. and adjusting the ejector rod.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1, the utility model relates to a turbine valve connecting piece with adjustable, include:
the supporting seat is used for being connected with the valve shell, a cylindrical rotating cavity is arranged in the supporting seat, and a copper sliding contact piece is arranged on the inner wall of the rotating cavity;
the driving rod is positioned in the rotating cavity, a rotating connecting end A of the driving rod is rotatably connected with the middle part of the supporting seat, the middle part of the push rod is connected with the driving shaft, and a free rotating end A of the driving rod extends into the valve shell to be fixedly connected with the valve;
the side wall of the rotating cavity is provided with an arc-shaped driving opening, the rotating connecting end of the push rod is positioned in the center of the rotating cavity and is rotatably connected with the end part of the driving rod, the free rotating end B of the push rod extends to the outside of the supporting seat through the driving opening, the free rotating end B of the push rod is connected with a driving arm, and the driving arm is provided with a strip-shaped sliding groove;
the linkage reed comprises a driving part and a pushing part, the driving part and the pushing part are both arc-shaped structures, arc-shaped openings of the driving part and the pushing part face the middle part of the supporting seat, the end parts of the driving part and the pushing part are connected through an adjusting part, the adjusting part comprises a convex surface which is convex relative to the pushing part, an included angle between the convex surface and the surface of the pushing part is less than 180 degrees, an arc-shaped movable convex cavity is arranged on the side wall of the rotating cavity, and the convex surface extends into the movable convex cavity; a sliding sleeve is arranged in the middle of the movable protrusion cavity along the radial axis of the rotating cavity, a limiting push rod is connected in a sliding mode through the sliding sleeve, a limiting drive plate is connected to the end portion of the limiting push rod, arc-shaped support protrusions are arranged at the two end portions of the limiting drive plate, and the pushing portion of the linkage reed is embedded between the support protrusions;
the driving rod is provided with a stop block A and a supporting block A, the supporting block A is connected with a clamping screw A through threads, and the end part of the driving part is clamped between the end part of the clamping screw A and the stop block A; the pushing rod is provided with a stop block B and a supporting block B, the supporting block B is connected with a clamping screw B through threads, and the end part of the pushing part is clamped between the end part of the clamping screw B and the stop block B;
the regulator comprises a connecting sleeve fixed on the side wall of the supporting seat, the axis of the connecting sleeve is parallel to the tangent line of the inner wall of the rotating cavity, an adjusting ejector rod is connected in the connecting sleeve through threads, and the end part of the adjusting ejector rod extends into the rotating cavity and contacts with the convex surface.
When the support is used, the support seat is firstly installed on the turbine shell, and meanwhile, a driving shaft on the rotation connecting end A of the driving rod is connected with a valve of the turbine; meanwhile, the push rod of the turbine driver is connected to the sliding groove of the driving arm in a sliding mode; when the driving arm is pushed by a push rod of the turbine driver, the driving arm can swing along the driving opening, when the driving arm swings, the driving rod is driven to rotate, when the driving rod rotates, the driving part of the linkage reed can be pushed, then the driving part is pushed to move through the adjusting part of the linkage reed, the driving part can push the driving rod to swing, and when the driving rod swings, the driving shaft can be driven to drive the turbine valve to open or close; when the adjustment is needed, the adjusting ejector rod can be twisted, so that the end part of the adjusting ejector rod extrudes the adjusting part, and when the position of the adjusting part moves, the driving part of the linkage reed is subjected to certain pretightening force, and the adjustment of the idle stroke of the turbine controller is further realized; meanwhile, the valve of the turbine can be in a certain minimum opening degree; in addition, the position of the limiting driving plate is adjusted through the limiting push rod, certain pre-pressing or pulling can be conducted on the driving part of the linkage reed, the pre-pressed or pulled linkage reed can be in pre-tightening states in different directions, the threshold value of the linkage reed moving due to the fact that the driving force transmitted by the adjusting part is lifted or reduced, and the sensitivity of the mechanism is changed.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. An adjustable turbine valve linkage, comprising:
the supporting seat is used for being connected with the valve shell, and a cylindrical rotating cavity is arranged in the supporting seat;
the driving rod is positioned in the rotating cavity, a rotating connecting end A of the driving rod is rotatably connected with the middle part of the supporting seat, the middle part of the push rod is connected with the driving shaft, and a free rotating end A of the driving rod extends into the valve shell to be fixedly connected with the valve;
the side wall of the rotating cavity is provided with an arc-shaped driving opening, the rotating connecting end of the push rod is positioned in the center of the rotating cavity and is rotatably connected with the end part of the driving rod, the free rotating end B of the push rod extends to the outside of the supporting seat through the driving opening, the free rotating end B of the push rod is connected with a driving arm, and the driving arm is provided with a strip-shaped sliding groove;
the linkage reed comprises a driving part and a pushing part, the driving part and the pushing part are both arc-shaped structures, arc-shaped openings of the driving part and the pushing part face the middle part of the supporting seat, the end parts of the driving part and the pushing part are connected through an adjusting part, the adjusting part comprises a convex surface protruding relative to the pushing part, and an included angle between the convex surface and the surface of the pushing part is smaller than 180 degrees; one end of the driving part is fixedly connected to the free rotating end A of the driving rod, and one end of the pushing part is fixed to the free rotating end B of the pushing rod;
the regulator comprises a connecting sleeve fixed on the side wall of the supporting seat, the axis of the connecting sleeve is parallel to the tangent line of the inner wall of the rotating cavity, an adjusting ejector rod is connected in the connecting sleeve in a sliding mode, and the end portion of the adjusting ejector rod extends into the rotating cavity and contacts with the convex surface.
2. An adjustable turbine valve coupling as claimed in claim 1, wherein: and a copper sliding contact piece is arranged on the inner wall of the rotating cavity.
3. An adjustable turbine valve coupling as claimed in claim 1, wherein: an arc-shaped movable bulge cavity is arranged on the side wall of the rotating cavity, and the bulge surface extends into the movable bulge cavity.
4. An adjustable turbine valve coupling as claimed in claim 3, wherein: the middle part of the movable protruding cavity is provided with a sliding sleeve along the radial axis of the rotating cavity, the sliding sleeve is connected with a limiting push rod in a sliding mode, the end portion of the limiting push rod is connected with a limiting drive plate, the two end portions of the limiting drive plate are provided with arc-shaped supporting protrusions, and the pushing portion of the linkage reed is embedded between the supporting protrusions.
5. An adjustable turbine valve coupling as claimed in claim 1, wherein: the driving rod is provided with a stop block A and a supporting block A, the supporting block A is connected with a clamping screw A through threads, and the end part of the driving part is clamped between the end part of the clamping screw A and the stop block A; the pushing rod is provided with a stop block B and a supporting block B, the supporting block B is connected with a clamping screw B through threads, and the end part of the pushing part is clamped between the end part of the clamping screw B and the stop block B.
6. An adjustable turbine valve coupling as claimed in claim 1, wherein: the side wall of the adjusting ejector rod is connected with the connecting sleeve through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994948.7U CN213928467U (en) | 2020-12-14 | 2020-12-14 | Adjustable turbine valve connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022994948.7U CN213928467U (en) | 2020-12-14 | 2020-12-14 | Adjustable turbine valve connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928467U true CN213928467U (en) | 2021-08-10 |
Family
ID=77151830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022994948.7U Active CN213928467U (en) | 2020-12-14 | 2020-12-14 | Adjustable turbine valve connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928467U (en) |
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2020
- 2020-12-14 CN CN202022994948.7U patent/CN213928467U/en active Active
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