CN117249258A - High temperature resistant butterfly valve for engine - Google Patents

High temperature resistant butterfly valve for engine Download PDF

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Publication number
CN117249258A
CN117249258A CN202311134973.XA CN202311134973A CN117249258A CN 117249258 A CN117249258 A CN 117249258A CN 202311134973 A CN202311134973 A CN 202311134973A CN 117249258 A CN117249258 A CN 117249258A
Authority
CN
China
Prior art keywords
valve
plate
valve plate
high temperature
temperature resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311134973.XA
Other languages
Chinese (zh)
Inventor
陈声坦
蔡振国
黄晓伟
黄文意
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shuangheng Valve Group Co ltd
Original Assignee
Shuangheng Valve Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shuangheng Valve Group Co ltd filed Critical Shuangheng Valve Group Co ltd
Priority to CN202311134973.XA priority Critical patent/CN117249258A/en
Publication of CN117249258A publication Critical patent/CN117249258A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/48—Attaching valve members to screw-spindles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K49/00—Means in or on valves for heating or cooling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lift Valve (AREA)

Abstract

The invention discloses a high-temperature-resistant butterfly valve for an engine, which comprises a valve body, a main sealing valve seat and a fixed shell penetrating through the upper surface of the middle part of the valve body; the valve rod is rotatably arranged in the fixed shell, and the heat radiating fins are arranged outside the fixed shell; the upper part of the fixed shell is connected with the power mechanism through a screw; the buffering protection component is arranged on the left side face of the valve plate and inside the valve plate, and can reduce and offset impact force of materials in the valve body on the valve plate through the buffering protection component, so that the valve plate is protected conveniently. This butterfly valve for engine of high temperature resistant, coolant liquid circulate in the spiral pipe and flow and come to cool down the valve plate for the high temperature resistant operation that the valve plate can be fine, gas in the connection gasbag can exert a left force to clamp plate and rotation axostylus axostyle moreover, can make the mutual offset of force and subdue a part, thereby has reduced the impact force of material in the butterfly valve to the valve plate.

Description

High temperature resistant butterfly valve for engine
Technical Field
The invention relates to the technical field of butterfly valves for engines, in particular to a high-temperature-resistant butterfly valve for an engine.
Background
Generally, when the air leakage type engine in the current market is braked, the butterfly valve is required to be matched for exhausting work, and materials conveyed by the butterfly valve are sometimes high in temperature, so that the high temperature resistance of the butterfly valve for the engine can be good by changing the materials of the valve body and the valve rod and the materials of the sealing ring in the current market, but the high temperature resistance of the butterfly valve for the engine in the market still has some problems when in use, such as:
1. the patent name disclosed by the publication No. CN108843797A in the prior art is a special high-temperature butterfly valve for a sequential supercharged engine, the sealing ring is a plane annular ring, and the thickness is more than or equal to that of the valve plate, because of elasticity, the effective plane sealing can be ensured, the center of the annular inner wall of the sealing ring is provided with an annular groove matched with a boss of a cylindrical surface of the valve plate, and the boss of the valve plate is completely covered, so that the sealing between the valve plate and the valve seat is realized through the sealing ring; the material is vulcanized rubber, and can resist the high temperature of about 300 ℃;
the sealing ring is made of vulcanized rubber, so that the sealing ring can resist high temperature of about 300 ℃, but the valve plate is damaged due to higher temperature, so that the valve plate cannot be used well in high temperature resistance, and the service life of the whole butterfly valve is further influenced;
2. the patent name disclosed by the publication No. CN103615326A in the prior art is an exhaust butterfly valve for auxiliary braking of an automobile, wherein one side of the valve plate, which faces the air inlet cavity, is in an annular step shape, and the sealing ring is sleeved on an upper step and is tightly pressed by a pressing ring sleeved on a lower step; the sealing ring is sleeved on the upper-stage ladder, the pressing ring is sleeved on the lower-stage ladder and is in surface contact with the sealing ring, and the pressing bolt fixes the pressing ring and the sealing ring on the outer edge of the valve plate through the pressing ring and the fixing hole on the valve plate; in order to further prevent leakage, a layer of gasket is also required to be sleeved before the sealing ring is sleeved on the upper step; the whole width of the sealing ring is slightly larger than the bottom width of the upper step, and the pressing ring can transversely squeeze the sealing ring to elastically deform in the process of gradually tightening the pressing bolt so as to generate pretightening force;
the valve plate in the butterfly valve among the above-mentioned prior art is when closing the use, and the valve plate seals the shutoff to the valve body inside this moment, has avoided the flow of material, but the material of carrying like this is blocked up in a side of valve plate, can make the material produce certain impact force to a side of valve plate, and long-time so can make the valve plate receive great impact force and damage, has influenced the life of whole butterfly valve in succession.
Disclosure of Invention
The invention aims to provide a high-temperature-resistant butterfly valve for an engine, which solves the problems that when a valve plate in a butterfly valve in the prior market provided by the background technology is closed and used, the valve plate contacts with a main sealing valve seat to form main sealing, the interior of the valve body is sealed and blocked, and the flow of materials is avoided, but the materials conveyed in the way are blocked on one side surface of the valve plate, so that the materials can generate certain impact force on one side surface of the valve plate, the valve plate is damaged due to larger impact force for a long time, and the service life of the whole butterfly valve is influenced.
In order to achieve the above purpose, the present invention provides the following technical solutions: a high temperature resistant butterfly valve for an engine comprises a valve body, a main sealing valve seat assembly and a fixed shell penetrating through the upper surface of the middle part of the valve body;
the inside of the fixed shell is rotatably provided with a valve rod, and the outside of the fixed shell is provided with cooling fins;
the upper part of the fixed shell is connected with the power mechanism through a screw;
a valve plate and a main sealing valve seat assembly are arranged in the valve body in a fitting manner;
the main seal valve seat assembly is arranged in the valve body and positioned on the right side of the valve plate, and comprises a main seal valve seat, an auxiliary high-temperature resistant spring, a spring pad and a high-temperature resistant triangular sealing ring. When the valve is closed, the main sealing valve seat and the valve plate are in contact with each other under the action of the auxiliary high-temperature-resistant spring to form a main sealing of the valve, so that most of medium flow in the pipeline is blocked.
The buffer protection component is arranged on the left side surface of the valve plate and inside the valve plate, and can reduce and offset the impact force of the material in the valve body on the valve plate, so that the valve plate is protected conveniently;
the high temperature resistant component is arranged inside the right side face of the valve plate and used for cooling the valve plate, so that the valve plate is good in high temperature resistance.
Preferably, the buffering protection component comprises a rotating shaft rod penetrating through the left side of the valve plate and connected with the right end bearing of the rotating shaft rod, and further comprises a connecting air bag of the inner mounting of the valve plate, the left end of the rotating shaft rod is fixedly provided with a gas collecting hood, the right side of the pressing plate is provided with the connecting air bag, and the buffering protection component can further improve the tightness between the outer side face of the valve plate and the valve body.
Through the setting of above-mentioned structure for the recess can be placed the rotation axostylus axostyle, and the later stage of being convenient for rotates the axostylus axostyle and drives the clamp plate and extrude the connection gasbag.
Preferably, the mounting groove that is ring shape structure is offered to the lateral surface of valve plate, and the left surface middle part position of valve plate has offered the recess to the right side internally mounted of recess has the connection gasbag, and the inside sliding connection of recess has the rotation axostylus axostyle, and the lateral surface embedding of valve plate installs the sealed gasbag that is ring shape structure, the lower extreme seal of valve rod runs through and adopts spline fixed connection installation between sealed gasbag's upper surface and the valve plate to be equipped with high temperature resistant axle bush in the valve rod outside and improve valve operation portability, the limiting plate that is ring shape structure is installed to the inside embedding of the left surface of recess, and the inside running through sliding connection of limiting plate has the rotation axostylus axostyle, and the internal diameter of limiting plate is less than the diameter of recess.
Through the setting of above-mentioned structure, the internal diameter of limiting plate is less than the diameter of recess for the limiting plate is fine to the clamp plate spacing, avoids the clamp plate to slide out from the recess.
Preferably, six connecting pipes are arranged on the inner side wall of the sealing air bag at equal angles, and the other ends of the connecting pipes are connected with the connecting air bag.
Through the arrangement of the structure, the gas in the connecting air bag can enter the sealing air bag through the connecting pipe;
preferably, the space in the connecting air bag is communicated with the space in the sealing air bag through a connecting pipe.
Through the arrangement of the structure, the connection of the gas in the air bag and the mutual circulation of the gas in the sealed air bag are facilitated.
Preferably, four damping rods are mounted on the right side surface of the limiting plate through equal-angle screws, the right ends of the damping rods penetrate through the pressing plates in a sliding connection mode, and the left sides of the pressing plates are connected with the right sides of the limiting plate through reset springs.
Through the arrangement of the structure, the pressing plate is convenient to pull the return spring, so that the return spring can reduce certain impact force.
Preferably, the diameter of the pressing plate is equal to the outer diameter of the limiting plate, and the pressing plate and the valve plate form a sliding structure through the rotating shaft rod.
Through the setting of above-mentioned structure, the diameter of clamp plate equals the external diameter of limiting plate, and the limiting plate of being convenient for shelters from spacingly to the clamp plate.
Preferably, a circle of stirring plates are arranged at equal angles on the outer side of the gas collecting hood, the gas collecting hood is in a bowl-shaped structure, and the gas collecting hood and the valve plate are concentric.
Through the arrangement of the structure, the gas collecting hood is arranged in the bowl-shaped structure, so that a certain amount of materials can be gathered, and the materials can push the gas collecting hood rightwards.
Preferably, the sliding tray that is "T" font structure is all offered to the inside top of rotating the axostylus axostyle and the inside sliding tray that has just to the internally mounted of sliding tray has coupling spring to the one end that the clearance brush pole is close to the rotation axostylus axostyle is "T" font structure setting, and the one end and the sliding tray block sliding connection of clearance brush pole moreover, and a side of clearance brush pole and the laminating of the left surface of valve plate set up, and the clearance brush pole is connected with coupling spring's one end, and the clearance brush pole is through coupling spring hold power but reverse movement reset.
Through the arrangement of the structure, the cleaning brush rod stably slides in the sliding groove, so that the cleaning brush rod cannot be separated from the sliding groove, the position of the cleaning brush rod is convenient to adjust, and the cleaning brush rod cannot influence the sliding of the rotating shaft rod;
preferably, the high temperature resistant subassembly includes block sliding connection at the inside regulation axostylus axostyle in rotation axostylus axostyle right side, the right-hand member of regulation axostylus axostyle runs through the center of clamp plate to the right-hand member of regulation axostylus axostyle is connected with the inside through bearing of valve plate, and adjusts the right-hand member outside of axostylus axostyle and install turbine flabellum, the high temperature resistant subassembly is still including installing at the inside spiral pipe in valve plate right side and fixed pipe, and the top outside intercommunication of fixed pipe has the spiral pipe, and the other end of spiral pipe is connected with the stock solution cooler bin through connecting hose, and the admission pipe is installed to the bottom of fixed pipe, and the lower extreme of admission pipe is also connected with the stock solution cooler bin through connecting hose, and the lower extreme of admission pipe and the lower extreme of spiral pipe all run through in the valve rod of valve plate below, the inside of fixed pipe is provided with turbine flabellum, the stock solution cooler bin sets up in the below of valve body.
Through the arrangement of the structure, a power source is not required to be additionally used, so that the rotating shaft rod drives the adjusting shaft rod to rotate, the adjusting shaft rod drives the turbine fan blade to rotate, and energy is saved.
Compared with the prior art, the invention has the beneficial effects that: this butterfly valve for engine of high temperature resistant, coolant liquid circulate in the spiral pipe and flow and come the cooling to the valve plate for the high temperature resistant operation that the valve plate can be fine, the partly material of carrying in the butterfly valve produces certain impact force to the gas collecting channel, and the gas collecting channel receives the impact simultaneously and drives the pivot pole and remove to the right and extrude the connection gasbag, thereby has reduced the impact force of the material in the butterfly valve to the valve plate, has increased the life of valve plate, and its specific content is as follows:
(1) An adjusting shaft lever and turbine blades are arranged, when the adjusting shaft lever drives the adjusting shaft lever to rotate, the adjusting shaft lever can drive the turbine blades to rotate, so that the turbine blades generate certain suction force, the cooling liquid in the liquid storage cooling box enters the fixed pipe and the spiral pipe through the inlet pipe to flow, then, cooling liquid in the spiral pipe flows into the liquid storage cooling box for cooling and heat dissipation, so that the cooling liquid circularly flows in the spiral pipe to cool the valve plate, the valve plate can well resist high temperature operation, the butterfly valve for the whole engine can well resist high temperature, and the service life of the butterfly valve for the whole engine is prolonged;
(2) The gas collecting cover with the bowl-shaped structure is arranged, so that a part of materials conveyed in the butterfly valve generate a certain impact force on the gas collecting cover, the impact force of the materials on the valve plate can be reduced, meanwhile, the gas collecting cover is impacted to drive the rotating shaft rod to move rightwards to squeeze the connecting air bag, the gas in the connecting air bag can apply a leftwards force on the pressing plate and the rotating shaft rod, the forces can be mutually counteracted to reduce a part of the forces, meanwhile, the reset spring is stretched, the reset spring can absorb a part of the impact force, so that the impact force of the materials in the butterfly valve on the valve plate is reduced, the valve plate can be protected, and the service life of the valve plate is prolonged;
(3) The connecting pipe is arranged, when the pressing plate extrudes the connecting valve plate, part of gas in the connecting air bag enters the sealing air bag through the connecting pipe, so that the sealing air bag is well expanded in volume and stably and tightly attached to the inner wall of the valve body, the tightness of the valve plate and the valve body is further improved, and the sealing air bag is made of silicon rubber and can be well resistant to high temperature;
(4) The stirring plate is installed, when the valve plate is rotated and opened, a certain impact force is generated on the stirring plate by materials conveyed in the valve body, then the stirring plate drives the gas collecting cover to rotate, so that the gas collecting cover and the rotating shaft rod rotate together, then the rotating shaft rod drives the cleaning brush rod to rotate, the cleaning brush rod can brush impurities on one side surface of the valve plate, the impurities are prevented from adhering to the valve plate, the valve plate is convenient to use, meanwhile, the stirring plate generates a certain air quantity like a fan blade through the rotation of the stirring plate, the flow efficiency of the materials in the valve body can be accelerated, the conveying efficiency of the valve body is improved, the stay time of the high-temperature materials in the valve body is shortened, and the butterfly valve for the whole engine can be used with good high temperature resistance;
(5) The cleaning brush rod is provided with the sliding groove with the T-shaped structure, so that the cleaning brush rod with one end in the T-shaped structure slides in the sliding groove, the position of the cleaning brush rod is well adjusted, and the cleaning brush rod cannot influence the rotating shaft rod to move rightwards;
(6) The heat radiating fins are arranged on the fixed shell, so that the damage of the engine to the power mechanism caused by high-temperature heat conduction is prevented;
(7) The valve rod and the valve plate are fixedly connected by the spline, so that the transmission reliability at high temperature is improved, and the high-temperature-resistant bearing bush is arranged outside the valve rod, so that the valve operation portability is improved;
(8) When the valve is closed, the main sealing valve seat and the valve plate are in contact with each other under the action of the auxiliary high-temperature-resistant spring to form the main sealing of the valve, so that most of medium flow in the pipeline is blocked, and the service life of the valve at high temperature is prolonged.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the main sectional structure of the present invention;
FIG. 3 is a schematic view of a three-dimensional structure of a valve plate according to the present invention;
FIG. 4 is a schematic view of the main cross-sectional structure of the valve plate of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic side cross-sectional view of a turbine blade according to the present invention;
FIG. 7 is a schematic diagram of a valve plate and sealed airbag separation explosion of the present invention;
FIG. 8 is a schematic view of a connection structure between a rotating shaft and a platen according to the present invention;
FIG. 9 is a schematic view of the connection structure of the pressure plate and the damping rod according to the present invention;
FIG. 10 is a schematic cross-sectional view of a connection between a rotating shaft and a cleaning brush bar in accordance with the present invention;
FIG. 11 is a schematic view of a main seal valve seat assembly of the present invention.
In the figure: 1. a valve body; 2. a fixed housing; 201. a heat sink; 3. a power mechanism; 4. a connecting flange is arranged; 5. a connecting flange is arranged; 6. a valve stem; 601. high temperature resistant bearing bush; 602. a spline; 7. a valve plate; 71. a mounting groove; 72. a groove; 8. sealing the air bag; 81. a connecting pipe; 82. connecting an air bag; 9. a gas collecting hood; 91. a toggle plate; 10. rotating the shaft lever; 101. cleaning a hairbrush rod; 102. a sliding groove; 103. a connecting spring; 11. a limiting plate; 12. a return spring; 13. a pressing plate; 14. a damping rod; 15. turbine blades; 16. adjusting the shaft lever; 17. a spiral tube; 18. a liquid storage cooling tank; 19. an inlet tube; 20. a fixed tube; 21. a main seal valve seat; 211. an auxiliary high temperature resistant spring; 212. a spring pad; 213. high temperature resistant triangular sealing ring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. 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.
Referring to fig. 1 to 11, the present invention provides the following technical solutions:
embodiment one:
a high temperature resistant butterfly valve for an engine comprises a valve body 1, a main sealing valve seat assembly and a fixed shell 2 penetrating through the upper surface of the middle part of the valve body 1; the valve rod 6 is rotatably arranged in the fixed shell 2, and the radiating fins 201 are arranged outside the fixed shell 2; the left side of the valve body 1 is fixed with an inlet connecting flange 4, and the right side of the valve body 1 is connected with an outlet connecting flange 5;
referring to fig. 1-2, after the whole high temperature resistant butterfly valve for an engine moves into a working area and reaches the working area, the whole high temperature resistant butterfly valve for the engine can be well used, an inlet connecting flange 4 and an outlet connecting flange 5 are respectively connected with an external pipeline, the upper part of a fixed shell 2 is connected with a power mechanism 3 through screws, a radiating fin 201 is arranged outside the fixed shell 2, the power mechanism 3 is used for controlling the upper end of a valve rod 6 to rotate, when the whole high temperature resistant butterfly valve for the engine controls the valve rod 6 to rotate through the power mechanism 3, the valve rod 6 is connected through a spline 602 and drives a valve plate 7 to rotate, a high temperature resistant bearing bush 601 is arranged outside the control valve rod 6, the outer side surface of the valve plate 7 is tightly attached to the inner side wall of a valve body 1, and a main sealing valve seat 21 is also contacted with a sealing surface of the valve plate 7 to form two seals, at the moment, the valve plate 7 is in a closed state, at the moment, materials are in the left side of the valve body 1, and the materials are blocked by the valve plate 7, and cannot enter the right side of the valve body 1;
referring to fig. 1-5, at this time, a certain impact force is generated on the left side surface of the valve plate 7 by the material, possibly, impurities on the material are adhered to the left side surface of the valve plate 7, at this time, a certain impact force is generated on the gas collecting cover 9 with a bowl-shaped structure by a part of the material, the gas collecting cover 9 is fixedly arranged at the left end of the rotating shaft lever 10, so that the gas collecting cover 9 drives the rotating shaft lever 10 to move rightwards together, at this time, the rotating shaft lever 10 drives the pressing plate 13 to move rightwards, the diameter of the pressing plate 13 is equal to the outer diameter of the limiting plate 11, the pressing plate 13 and the valve plate 7 form a sliding structure through the rotating shaft lever 10, four damping rods 14 are installed on the right side surface of the limiting plate 11 through equiangular screws, the right end of the damping rods 14 penetrates through the pressing plate 13, the left side of the pressing plate 13 is connected with the right side of the limiting plate 11 through the reset spring 12, at this time, the pressing plate 13 also pulls the reset spring 12 rightwards when moving rightwards, the connecting air bags 82 in the valve plate 7 are pressed rightwards, the space in the connecting air bags 82 is communicated with the space in the sealing air bags 8 through 81, the space in the body 1, the connecting pipe 1 is fitted with the inner side of the valve plate 7, and the sealing ring 8 is embedded in the shape of the valve plate 7 is embedded in the sealing ring structure; the lower end of the valve rod 6 is fixedly arranged with the valve plate 7 in a sealing penetrating way through the upper surface of the sealing air bag 8, six connecting pipes 81 are arranged at equal angles on the inner side wall of the sealing air bag 8, the other ends of the connecting pipes 81 are connected with the connecting air bag 82, at the moment, a part of gas in the connecting air bag 82 can exert leftward thrust on the pressing plate 13, and in the same way, the connecting air bag 82 can exert leftward thrust on the rotating shaft rod 10 and the gas collecting cover 9, a circle of stirring plate 91 is arranged at equal angles on the outer side of the gas collecting cover 9, the gas collecting cover 9 is arranged in a bowl-shaped structure, and the gas collecting cover 9 is concentric with the valve plate 7, so that the impact force of external materials to the rotating shaft rod 10 and the gas collecting cover 9 exerted rightward is counteracted and reduced, and meanwhile, the reset spring 12 is stretched, so that a part of impact force of the material to the valve plate 7 is reduced, the damage to the valve plate 7 is avoided, and the service life of the whole butterfly valve for the high-temperature resistant engine can be prolonged, and the whole butterfly valve 8 can be well resistant to high temperature when in use is very good;
the limiting plate 11 with a circular ring-shaped structure is embedded and installed in the left side surface of the groove 72, the rotating shaft rod 10 is connected in a penetrating and sliding mode in the limiting plate 11, and the inner diameter of the limiting plate 11 is smaller than the diameter of the groove 72; the outer side surface of the valve plate 7 is provided with a mounting groove 71 with a circular ring-shaped structure, the middle part of the left side surface of the valve plate 7 is provided with a groove 72, the right side of the groove 72 is internally provided with a connecting air bag 82, and the inside of the groove 72 is slidably connected with a rotating shaft lever 10;
meanwhile, when the pressing plate 13 extrudes the connecting air bag 82, the right end of the rotating shaft rod 10 is in bearing connection with the pressing plate 13, the connecting air bag 82 is arranged on the right side of the pressing plate 13, the connecting air bag 82 is arranged in the valve plate 7, the rotating shaft rod 10 is connected in a penetrating sliding manner in the left side of the valve plate 7, part of gas in the connecting air bag 82 can enter the sealing air bag 8 through the connecting pipe 81, so that the volume of the sealing air bag 8 is expanded, the outer side surface of the sealing air bag 8 is stably and tightly attached to the inner side wall of the valve body 1, and the sealing performance between the valve body 1 and the valve plate 7 is improved;
the high-temperature resistant component is arranged in the right side surface of the valve plate 7 and is used for cooling the valve plate 7, so that the valve plate 7 is well resistant to high temperature;
the high temperature resistant assembly comprises an adjusting shaft lever 16 which is clamped and slidingly connected inside the right side of the rotating shaft lever 10, the right end of the adjusting shaft lever 16 penetrates through the center of the pressing plate 13, the right end of the adjusting shaft lever 16 is connected with an inner penetrating bearing of the valve plate 7, a turbine fan blade 15 is arranged outside the right end of the adjusting shaft lever 16, the high temperature resistant assembly further comprises a spiral pipe 17 and a fixed pipe 20 which are arranged inside the right side of the valve plate 7, the upper outer side of the fixed pipe 20 is communicated with the spiral pipe 17, the other end of the spiral pipe 17 is connected with a liquid storage cooling box 18 through a connecting hose, an inlet pipe 19 is arranged at the bottom of the fixed pipe 20, the lower end of the inlet pipe 19 is also connected with the liquid storage cooling box 18 through the connecting hose, the lower end of the inlet pipe 19 and the lower end of the spiral pipe 17 penetrate through a valve rod 6 below the valve plate 7, the turbine fan blade 15 is arranged inside the fixed pipe 20, and the liquid storage cooling box 18 is arranged below the valve body 1;
referring to fig. 4-6, when the valve plate 7 needs to be rotated and opened to allow the material in the valve body 1 to flow and be conveyed, at this time, the power mechanism 3 can control the valve rod 6 to drive the valve plate 7 to rotate, so that the outer side surface of the valve plate 7 is not in contact with the inner wall of the valve body 1, at this time, the material in the valve body 1 can generate a certain thrust to the stirring plate 91 when flowing rightward, then the stirring plate 91 drives the gas collecting cover 9 to rotate, the gas collecting cover 9 drives the rotating shaft lever 10 to rotate together when rotating, the rotating shaft lever 10 drives the adjusting shaft lever 16 to rotate together when rotating through the clamping groove in the rotating shaft lever 10 and the clamping block at the outer side of the left end of the adjusting shaft lever 16, the adjusting shaft lever 16 drives the turbine blade 15 to rotate together, at this time, the turbine blade 15 can generate a certain suction force, the cooling liquid in the liquid storage cooling box 18 is sucked into the fixed pipe 20 through the inlet pipe 19, then the cooling liquid in the fixed pipe 20 flows into the spiral pipe 17 again, at this time, the cooling liquid in the spiral pipe 17 can well cool the valve plate 7, then the turbine blade 15 continues to rotate, the cooling liquid in the spiral pipe 17 flows into the liquid storage cooling box 18 through the connecting hose, then the cooling liquid in the liquid storage cooling box 18 flows into the fixed pipe 20 through the connecting hose and the inlet pipe 19 again after cooling, then the cooling liquid in the fixed pipe 20 flows into the spiral pipe 17 again, the cooling operation is repeated in such a way, the cooling liquid circularly flows in the spiral pipe 17 to cool the valve plate 7, so that the whole butterfly valve for the engine can well perform high temperature resistant operation, the service life of the butterfly valve for the whole engine is prolonged;
referring to fig. 11, the main sealing valve seat assembly comprises a main sealing valve seat 21, an auxiliary high temperature resistant spring 211, a spring pad 212 and a high temperature resistant triangular sealing ring 213, and is installed in the valve body 1 and positioned on the right side of the valve plate 7, when the valve is closed, the main sealing valve seat 21 and the sealing surface of the valve plate 7 are mutually contacted to form a seal, when the valve is closed, the main sealing valve seat 21 and the valve plate 7 are mutually contacted to form a main sealing of the valve under the action of the auxiliary high temperature resistant spring 211, so that most of medium flow in a pipeline is blocked, and the service life of the valve at high temperature is prolonged.
Embodiment two:
compared with the embodiment I, the application refers to fig. 7 and 10, when the rotating shaft lever 10 moves rightwards, the valve plate 7 pushes the cleaning brush rod 101 with one end in a T-shaped structure to slide leftwards in the sliding groove 102 with the T-shaped structure, so that the position of the cleaning brush rod 101 can be adjusted, the cleaning brush rod 101 cannot influence the rotating shaft lever 10 to move rightwards, the cleaning brush rod 101 is always attached to the left side surface of the valve plate 7, the connecting spring 103 can be extruded when the cleaning brush rod 101 moves, one side surface of the cleaning brush rod 101 is attached to the left side surface of the valve plate 7, the cleaning brush rod 101 is connected with one end of the connecting spring 103, the sliding groove 102 with the T-shaped structure is formed in the upper part and the lower part of the rotating shaft lever 10, the connecting spring 103 is installed in the interior of the sliding groove 102, one end of the cleaning brush rod 101 close to the rotating shaft lever 10 is in the T-shaped structure, the end of the cleaning brush rod 101 is clamped and slidingly connected with the sliding groove 102, the cleaning brush rod 101 can move reversely through the power 103 of the connecting spring 103, and the connecting spring 103 can reset automatically, and the brush rod 101 can be reset conveniently by the power of the connecting spring 103 in the later cleaning stage;
this application when there is not the material in the butterfly valve, can be through the automatic clamp plate 13 that drives of holding power of reset spring 12 and the reposition of redundant personnel of rotating axostylus axostyle 10, when needs are rotatory to be opened valve plate 7, when letting the material in the valve body 1 flow and carry, but this moment power unit 3 control valve rod 6 drives valve plate 7 rotatory, make the lateral surface of valve plate 7 not with the inner wall laminating contact of valve body 1, this moment material in the valve body 1 can produce certain thrust to stirring board 91 when flowing right, then make stirring board 91 drive gas-collecting cover 9 and rotate, gas-collecting cover 9 drives rotating axostylus axostyle 10 together and rotates when rotatory, consequently, make rotating axostylus axostyle 10 drive clearance brush pole 101 rotate, make the fine impurity brush of clearance brush pole 101 with valve plate 7 surface adhesion be convenient for valve plate 7 use, simultaneously when stirring board 91 can produce certain amount of wind like the flabellum in rotatory, consequently, the material in the valve body 1 can be accelerated and flow, the conveying efficiency of valve body 1 has been improved, and the time of high temperature material in valve body 1 has been shortened in time in the valve body 1 is rotatory, can make whole high temperature resistant engine use of high temperature resistant butterfly valve.
The working principle of the embodiment is as follows: when the butterfly valve for the engine resistant to high temperature is used, firstly, materials cannot enter the right side inside of the valve body 1 through the blocking of the valve plate 7; at this time, a part of materials generate a certain impact force on the gas collecting hood 9 with a bowl-shaped structure, so that the gas collecting hood 9 drives the rotating shaft lever 10 to move rightwards together, and at this time, a part of gas in the connecting air bag 82 can apply a leftward thrust to the pressing plate 13, so that the impact force of the materials on the valve plate 7 is reduced;
part of the gas in the connecting air bag 82 can enter the sealing air bag 8 through the connecting pipe 81, so that the tightness between the valve body 1 and the valve plate 7 is improved, and a series of works are completed.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (11)

1. A high temperature resistant butterfly valve for an engine comprises a valve body (1), a main sealing valve seat (21) and a fixed shell (2) penetrating through the upper surface of the middle part of the valve body (1);
a valve rod (6) is rotatably arranged in the fixed shell (2);
characterized by further comprising:
the upper part of the fixed shell (2) is connected with the power mechanism (3) through a screw, and a radiating fin (201) is arranged outside the fixed shell (2);
a valve plate (7) is arranged in the valve body (1) in a fitting manner, and a main sealing valve seat assembly is arranged on the right side of the valve plate (7);
the high-temperature resistant component is arranged inside the right side surface of the valve plate (7) and is used for cooling the valve plate (7) so that the valve plate (7) is high-temperature resistant;
the buffer protection component is arranged on the left side face of the valve plate (7) and inside the valve plate (7), and can reduce and offset the impact force of materials in the valve body (1) on the valve plate (7) through the buffer protection component, so that the valve plate (7) can be protected conveniently.
2. The high temperature resistant butterfly valve for an engine according to claim 1, wherein: the buffering protection component comprises a rotating shaft rod (10) which penetrates through the left side of the valve plate (7) and is in sliding connection, a pressing plate (13) which is connected with the right end of the rotating shaft rod (10) through a bearing, and a connecting air bag (82) which is arranged in the valve plate (7) and is fixedly arranged at the left end of the rotating shaft rod (10), a gas collecting cover (9) is fixedly arranged at the right side of the pressing plate (13), and the buffering protection component can further improve the tightness between the outer side surface of the valve plate (7) and the valve body (1).
3. The high temperature resistant butterfly valve for an engine according to claim 2, wherein: the mounting groove (71) that is ring shape structure is offered to the lateral surface of valve plate (7), and recess (72) have been offered in the left surface middle part position of valve plate (7) to the right side internally mounted of recess (72) has connection gasbag (82), and the inside sliding connection of recess (72) has rotation axostylus axostyle (10), and the lateral surface embedding of valve plate (7) is installed sealed gasbag (8) that are ring shape structure, the lower extreme seal of valve rod (6) runs through the upper surface of sealed gasbag (8) and valve plate (7) through spline (602) fixed connection installation, limiting plate (11) that is ring shape structure is installed to the inside embedding of the left surface of recess (72), and the inside of limiting plate (11) runs through sliding connection and has rotation axostylus axostyle (10), and the internal diameter of limiting plate (11) is less than the diameter of recess (72).
4. A high temperature resistant butterfly valve for an engine according to claim 3, wherein: six connecting pipes (81) are arranged on the inner side wall of the sealing air bag (8) at equal angles, the other ends of the connecting pipes (81) are connected with the connecting air bag (82), and the space in the connecting air bag (82) is communicated with the space in the sealing air bag (8) through the connecting pipes (81).
5. The high temperature resistant butterfly valve for an engine according to claim 1, wherein: the valve is characterized in that a feeding connecting flange (4) is fixed on the left side of the valve body (1), a discharging connecting flange (5) is connected on the right side of the valve body (1), the power mechanism (3) is used for controlling the upper end of the valve rod (6) to rotate, and a high-temperature-resistant bearing bush (601) is arranged outside the valve rod (6).
6. A high temperature resistant butterfly valve for an engine according to claim 3, wherein: four damping rods (14) are mounted on the right side surface of the limiting plate (11) through equiangular screws, a pressing plate (13) is connected to the right end of the damping rods (14) in a penetrating and sliding mode, and the left side of the pressing plate (13) is connected with the right side of the limiting plate (11) through a reset spring (12).
7. The high temperature resistant butterfly valve for an engine according to claim 6, wherein: the diameter of the pressing plate (13) is equal to the outer diameter of the limiting plate (11), and the pressing plate (13) and the valve plate (7) form a sliding structure through the rotating shaft lever (10).
8. The high temperature resistant butterfly valve for an engine according to claim 2, wherein: a circle of stirring plates (91) are arranged at equal angles on the outer side of the gas collecting hood (9), the gas collecting hood (9) is in a bowl-shaped structure, and the gas collecting hood (9) and the valve plate (7) are concentric.
9. The high temperature resistant butterfly valve for an engine according to claim 2, wherein: the inside of top and below of pivot axostylus axostyle (10) are equipped with sliding tray (102) that are "T" font structure, and the internally mounted of sliding tray (102) has connecting spring (103), and the one end that clearance brush pole (101) is close to pivot axostylus axostyle (10) is "T" font structure setting, and the one end and the sliding tray (102) block sliding connection of clearance brush pole (101);
one side surface of the cleaning brush rod (101) is attached to the left side surface of the valve plate (7), the cleaning brush rod (101) is connected with one end of the connecting spring (103), and the cleaning brush rod (101) can reversely move and reset through the power of the connecting spring (103).
10. The high temperature resistant butterfly valve for an engine according to claim 1, wherein: the high temperature resistant subassembly includes block sliding connection at the inside regulation axostylus axostyle (16) in rotation axostylus axostyle (10) right side, the center of clamp plate (13) is run through to the right-hand member of regulation axostylus axostyle (16) is connected with the inside run-through bearing of valve plate (7), and installs turbine flabellum (15) in the right-hand member outside of regulation axostylus axostyle (16), high temperature resistant subassembly is still including installing spiral pipe (17) and fixed pipe (20) in valve plate (7) right side inside, and the top outside intercommunication of fixed pipe (20) has spiral pipe (17), and the other end of spiral pipe (17) is connected with stock solution cooling tank (18) through the coupling hose, and intake pipe (19) are installed to the bottom of fixed pipe (20), and the lower extreme of intake pipe (19) is also connected with stock solution cooling tank (18) through the coupling hose, and the lower extreme of intake pipe (19) and spiral pipe (17) all run through in valve rod (6) below valve plate (7), the inside of fixed pipe (20) is provided with turbine flabellum (15), body (18) sets up below valve body (1).
11. The high temperature resistant butterfly valve for an engine according to claim 1, wherein: the main seal valve seat assembly comprises a main seal valve seat (21), an auxiliary high-temperature-resistant spring (211), a spring pad (212) and a high-temperature-resistant triangular sealing ring (213), and is arranged in the valve body (1) and is positioned on the right side of the valve plate (7), and when the valve is closed, the main seal valve seat (21) and the sealing surface of the valve plate (7) are mutually contacted to form main seal.
CN202311134973.XA 2023-09-05 2023-09-05 High temperature resistant butterfly valve for engine Pending CN117249258A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311134973.XA CN117249258A (en) 2023-09-05 2023-09-05 High temperature resistant butterfly valve for engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311134973.XA CN117249258A (en) 2023-09-05 2023-09-05 High temperature resistant butterfly valve for engine

Publications (1)

Publication Number Publication Date
CN117249258A true CN117249258A (en) 2023-12-19

Family

ID=89128614

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311134973.XA Pending CN117249258A (en) 2023-09-05 2023-09-05 High temperature resistant butterfly valve for engine

Country Status (1)

Country Link
CN (1) CN117249258A (en)

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