CN114233874B - Mute butterfly valve capable of reducing impact force - Google Patents

Mute butterfly valve capable of reducing impact force Download PDF

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Publication number
CN114233874B
CN114233874B CN202111584047.3A CN202111584047A CN114233874B CN 114233874 B CN114233874 B CN 114233874B CN 202111584047 A CN202111584047 A CN 202111584047A CN 114233874 B CN114233874 B CN 114233874B
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China
Prior art keywords
fluid
fixedly connected
valve
magnetic insulation
injection cylinder
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CN202111584047.3A
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Chinese (zh)
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CN114233874A (en
Inventor
项伟慧
孙海珍
张中平
张松
项建慧
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Zhengnan Valve Co ltd
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Zhengnan Valve Zhejiang Co ltd
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Priority to CN202111584047.3A priority Critical patent/CN114233874B/en
Publication of CN114233874A publication Critical patent/CN114233874A/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F16K27/0218—Butterfly valves
    • 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
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Details Of Valves (AREA)

Abstract

The invention discloses a silent butterfly valve capable of reducing impact force, belonging to the field of butterfly valves, after fluid flows into a valve body, the fluid flows through a flow dividing frame to drive flow dividing fan blades to rotate so as to drive a cleaning brush body to rotate, impurities on the inner wall of the valve body are brushed off, dispersed impurities have a certain blocking effect on the flowing fluid, the flow speed is reduced, the fluid is dispersed into a bundle of small fluid through a dispersion hole, the impact force is dispersed, then the small fluid impacts on a buffer layer, the buffer fluid is instantly softened and hardened to form a protective shell to resist the impact, the impact influence is reduced, meanwhile, a buffer bag body is inwards sunken, two movable rods move away from each other to be matched with a tension rope to reduce the impact force, two magnetic isolating sheets are pulled and separated by the movable rods, the magnetic shielding rods of magnet blocks are cancelled, a poking sheet is repelled to drive a poking turning and pressing pressure rod to move downwards, a piston is enabled to extrude air in an air injection cylinder to be sprayed downwards, the fluid is blown away from the vertical direction, and the impact force on the valve plate is weakened.

Description

Mute butterfly valve capable of reducing impact force
Technical Field
The invention relates to the field of butterfly valves, in particular to a mute butterfly valve capable of reducing impact force.
Background
The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth for about 90 degrees to open, close or adjust the medium flow; a butterfly valve is called a flap valve, is a regulating valve with simple structure, can be used for on-off control of low-pressure pipeline media, and is a valve with a closing member being a disk and rotating around a valve shaft to achieve opening and closing.
In the use process of the butterfly valve, the butterfly plate is rotated to be closed, and the flowing conveying is stopped, so that the fluid is stopped in the flowing process, the fluid of the pipeline often impacts the butterfly plate suddenly, the butterfly plate is easy to damage under impact, and the service life of the butterfly plate is shortened.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a silent butterfly valve capable of reducing impact force, which can realize that after fluid flows into a valve body, the fluid flows through a flow dividing frame to drive a flow dividing fan blade to rotate so as to drive a cleaning brush body to rotate, impurities on the inner wall of the valve body are brushed off, so that dispersed impurities have a certain blocking effect on the flowing fluid, the flow speed is reduced, the fluid is dispersed into a bundle of small fluid through a dispersing hole, the impact force is dispersed, the small fluid is impacted on a buffer layer, the buffer fluid is instantly softened and hardened to form a protective shell to resist the impact, the impact influence is reduced, meanwhile, a buffer bag body is inwards sunken, two movable rods move away from each other to match with a tension rope to reduce the impact force, two magnet-insulating valve pieces are pulled to be separated by the movable rods, the magnetic shielding of magnet blocks is cancelled, and the magnet pieces are repelled to drive the shifting rod to overturn and press the pressure rod to move downwards, the piston is promoted to extrude the air in the air injection cylinder to be sprayed downwards, so that the fluid is blown away from the vertical direction, and the impact force on the valve plate is weakened.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A silent butterfly valve capable of reducing impact force comprises a valve body, wherein a valve plate is arranged inside the valve body, a shunt frame is fixedly connected inside the valve body and is positioned on the left side of the valve plate, a shunt structure is arranged inside the shunt frame, a buffering bag body is fixedly connected on the left side of the valve plate, a buffering structure is arranged inside the buffering bag body, an air injection cylinder is fixedly connected at the upper end of the valve body and penetrates through the upper end of the valve body, the lower end of the air injection cylinder is arranged in an opening mode and is communicated with the inside of the valve body, the air injection cylinder is positioned between the shunt frame and the buffering bag body, a spray guide structure is arranged inside the air injection cylinder, and after fluid enters the valve body and passes through the shunt frame, the fluid is shunted by the shunt structure to be dispersed into a beam of small fluid to disperse the impact force of the fluid, meanwhile, the fluid impacts the buffering bag body in front of the valve plate, so that the buffering structure drives the buffering bag body to deform to reduce the impact force transmitted to the valve plate, the buffering bag body deforms to enable the spraying guide structure to drive the air spraying cylinder to spray air downwards, downward blowing force is applied to the flowing fluid in the vertical direction to disperse the flowing fluid, the impact force is reduced to a certain degree, the impact force transmitted to the valve plate is further weakened, the valve plate is not easy to damage, and the service life of the valve plate is prolonged.
Further, the shunting structure comprises shunting blades, the shunting blades are positioned in the shunting frame and are rotatably connected with the shunting frame, the left end of the shunting frame is provided with an opening, the inner wall of the opening is fixedly connected with a filter screen, the outer end of the filter screen is rotatably connected with a rotating rod, the rotating rod is fixedly connected with the shunting blades, the upper end and the lower end of the rotating rod are fixedly connected with cleaning brushes, the outer ends of the cleaning brushes are in contact with the inner wall of the valve body, the right end of the shunting frame is provided with a plurality of uniformly distributed dispersion holes, flowing fluid enters the shunting frame through the filtration of the filter screen and drives the shunting blades to rotate through the flowing action, the shunting blades rotate to drive the rotating rod to rotate, so that the shunting blades drive the cleaning brushes to rotate to brush impurities on the inner wall of the valve body, the brushed impurities diffuse in the valve body, and play a certain role in blocking the fluid to flow into the shunting blades, the flow velocity is reduced, and simultaneously the flow flows out of the flow distribution frame through the distribution holes and is dispersed into a bundle of small fluid, so that the impact force of the fluid is dispersed.
Further, the outer end of the filter screen and the cleaning brush body is provided with a lotus leaf membrane, the lotus leaf membrane is made of PET original membrane material, the surface of the lotus leaf membrane is provided with an AS oleophobic and hydrophobic coating, the lotus leaf membrane made of the PET original membrane material is matched with the AS oleophobic and hydrophobic coating, so that impurities are not easy to adhere to the filter screen and the cleaning brush body, the interference of the impurities to the cleaning brush body during working is reduced, and meanwhile, the filter screen is not easy to block.
Further, buffer structure includes the buffer layer, the inside of buffer layer is equipped with buffering fluid, the left end inner wall of buffering utricule rotates and is connected with the movable rod of two front and back symmetries, two the right-hand member of movable rod all with the right-hand member inner wall sliding connection who cushions the utricule, two fixedly connected with pulling force rope between the movable rod, on the buffer layer is strikeed to the fluid, the inside DCLAN molecule of buffering fluid that its inside DCLAN intelligence macromolecular material was made can gather together fast for buffering fluid is by soft stiffening in the twinkling of an eye, forms a protecting sheathing and supports and keep off the impact, slows down the impact influence, simultaneously under fluidic impact, make buffering utricule deformation inwards sunken, drive two movable rods and keep away from each other, the tensile action of cooperation pulling force rope slows down the impact force of buffering utricule, reduces the impact force that transmits to the valve plate.
Furthermore, the buffer fluid is made of DCLAN intelligent high polymer materials, the initial state of the buffer fluid is a soft state, DCLAN molecules inside the buffer fluid made of the DCLAN intelligent high polymer materials can freely move under the normal state, so that the buffer fluid is very soft, but when the buffer fluid is impacted, the DCLAN molecules inside the buffer fluid can be rapidly gathered together, the buffer fluid is instantly softened and hardened to form a protective shell to resist the impact, meanwhile, a large number of hydrogen bonds among the DCLAN molecules can be temporarily separated, huge energy is consumed in the process, so that the impact force is rapidly dissipated, after the impact is dissipated, the large number of hydrogen bonds among the DCLAN molecules are instantly recombined, the DCLAN molecules recover to freely move, and the buffer fluid recovers to the soft state.
Further, two spherical groove has all been dug to the right-hand member of movable rod, two all rotate in the spherical groove and be connected with the ball, two the outer end of ball all with the right-hand member inner wall sliding connection of buffering utricule, through the setting of spherical groove and ball, make more smooth and easy convenient that the movable rod moved on the right-hand member inner wall of buffering utricule, reduce the friction influence.
Further, the spraying guide structure comprises a magnetic insulation seat, the magnetic insulation seat is fixedly connected with the inner wall of the right end of the buffering bag body, the upper end of the magnetic insulation seat is rotatably connected with two magnetic insulation flaps which are in close contact with each other, the upper end of the magnetic insulation seat is fixedly connected with a magnet block, the magnet block is positioned between the two magnetic insulation flaps, two connecting rods are rotatably connected between the magnetic insulation flaps and the two movable rods, a poking rod is arranged on the upper side of the valve body, a magnet sheet is fixedly connected with the lower end of the poking rod, the ends, close to each other, of the magnet sheet and the magnet block are arranged in the same polarity, a telescopic spring is fixedly connected between the valve body and the magnet sheet, a movable opening is formed in the right end of the air injection cylinder, the poking rod penetrates through the movable opening and extends into the air injection cylinder, and the outer end of the poking rod is rotatably connected with the inner wall of the movable opening, the inner part of the air injection cylinder is slidably connected with a piston, the upper end of the piston is fixedly connected with a pressure rod, the pressure rod is rotatably connected with a poking rod, the inner part of the air injection cylinder is fixedly connected with a waterproof breathable film, the waterproof breathable film is positioned at the lower side of the piston, the two movable rods pull two magnetic dead flaps to separate from each other in the separation process, a magnetic insulating seat and the magnetic dead flaps made of Fe-Ni alloy materials can effectively shield the magnetic influence of a magnet block in a closed state, after separation, the magnetic shielding of the magnet block is cancelled, the same poles of the magnet block and the magnet piece close to each other repel each other, the magnet piece is extruded to drive the poking rod to move upwards, the poking rod is overturned to press the pressure rod to move downwards, the piston is driven to move downwards, air in the air injection cylinder is downwards sprayed out through the waterproof breathable film, and a downward blowing force is applied to flowing fluid in the vertical direction, the valve plate is dispersed, the impact force of the valve plate is reduced to a certain degree, the impact force transmitted to the valve plate is further weakened, the valve plate is not easy to damage, and the service life of the valve plate is prolonged.
Further, the magnetic insulation seat and the magnetic insulation flap are both made of Fe-Ni alloy materials, the content of Ni in the magnetic insulation seat and the magnetic insulation flap is 80%, the initial states of the magnetic insulation seat and the magnetic insulation flap are closed states, the magnetic insulation seat and the magnetic insulation flap made of the Fe-Ni alloy materials can effectively affect the magnetic influence of the magnet block in the closed state, and after separation, the magnetic shielding of the magnet block is cancelled.
Further, the outer end fixedly connected with sealing washer of piston, the outer end of sealing washer and the inner wall in close contact with of jet-propelled cylinder, waterproof ventilated membrane adopts polymer waterproof material to make, through the setting of sealing washer, reduces the air and upwards overflows the possibility through the gap between piston and the jet-propelled cylinder, makes the air fully spout downwards, and waterproof ventilated membrane that polymer waterproof material made can make in the difficult infiltration of fluid is to the jet-propelled cylinder, can realize the circulation of air again simultaneously.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize that the fluid enters into the valve body after, through reposition of redundant personnel frame, make its fluid that will flow shunt through reposition of redundant personnel structure, make it disperse into a bundle of little fluid, disperse fluidic impact force, simultaneously on the fluid striking buffering utricule before the valve plate, make buffer structure drive buffering utricule deformation and slow down fluidic impact force, thereby reduce the impact force that transmits on the valve plate, and buffering utricule deformation makes and spouts the guide structure and drive jet-propelled section of thick bamboo jet-propelled downwards, through applying a decurrent blowing power to the fluid that flows in the vertical direction, the realization disperses it, reduce its impact force to a certain extent, further weaken the impact force that transmits on the valve plate, make it be difficult for taking place to damage, prolong its life.
(2) The shunting structure comprises shunting blades, the shunting blades are positioned in the shunting frame and are rotationally connected with the shunting frame, the left end of the shunting frame is provided with an opening, the inner wall of the opening is fixedly connected with a filtering screen, the outer end of the filtering screen is rotationally connected with a rotating rod, the rotating rod is fixedly connected with the shunting blades, the upper end and the lower end of the rotating rod are both fixedly connected with cleaning brushes, the outer end of the cleaning brushes is contacted with the inner wall of the valve body, the right end of the shunting frame is provided with a plurality of uniformly distributed dispersion holes, flowing fluid enters the shunting frame through the filtering screen and drives the shunting blades to rotate through the flowing action, the shunting blades rotate to drive the rotating rod to rotate, the cleaning brushes are driven to rotate to brush off impurities on the inner wall of the valve body, the brushed impurities permeate the valve body, and play a certain role in blocking the fluid which is about to flow into the shunting frame, the flow velocity is reduced, and meanwhile, the flow flows out of the flow distribution frame through the distribution holes and is dispersed into a bundle of small fluid, so that the impact force of the fluid is dispersed.
(3) The outer end of the filter screen and the cleaning brush body is provided with a lotus leaf membrane, the lotus leaf membrane is made of PET (polyethylene terephthalate) raw membrane materials, the surface of the lotus leaf membrane is provided with an AS (acrylonitrile-styrene) oleophobic and hydrophobic coating, the lotus leaf membrane made of the PET raw membrane materials is matched with the AS oleophobic and hydrophobic coating, so that impurities are difficult to be attached to the filter screen and the cleaning brush body, the interference of the impurities to the cleaning brush body during working is reduced, and meanwhile, the filter screen is difficult to block.
(4) Buffer structure includes the buffer layer, the inside of buffer layer is equipped with buffering fluid, the left end inner wall of buffering utricule rotates the movable rod that is connected with two front and back symmetries, the right-hand member of two movable rods all with the right-hand member inner wall sliding connection who cushions the utricule, fixedly connected with pulling force rope between two movable rods, at fluid impact on the buffer layer, the inside DCLAN molecule of buffering fluid that its inside DCLAN intelligence macromolecular material made can gather together fast, make buffering fluid by soft stiffening in the twinkling of an eye, form a protecting sheathing and come the fender impact, slow down and strike the influence, simultaneously under fluidic impact, make buffering utricule deformation inwards sunken, drive two movable rods and keep away from each other, the tensile effect of cooperation pulling force rope slows down the impact force of buffering utricule, the impact force on the valve plate is transmitted in the reduction.
(5) The buffer fluid is made of DCLAN intelligent high polymer materials, the initial state of the buffer fluid is a soft state, the DCLAN molecules in the buffer fluid made of the DCLAN intelligent high polymer materials can freely move under the normal state, so that the buffer fluid is very soft, but when the buffer fluid is impacted, the DCLAN molecules in the buffer fluid can be rapidly gathered together, the buffer fluid is instantly softened and hardened to form a protective shell to resist the impact, meanwhile, a large number of hydrogen bonds among the DCLAN molecules can be temporarily separated, the process consumes huge energy, the impact force is rapidly dissipated, after the impact is dissipated, the large number of hydrogen bonds among the DCLAN molecules are instantly recombined, the DCLAN molecules restore to the free state, and the buffer fluid restores to the soft state.
(6) The right-hand member of two movable rods all cuts a hole and has spherical groove, and two spherical inslots all rotate and are connected with the ball, the outer end of two balls all with the right-hand member inner wall sliding connection of buffering utricule, through the setting of spherical groove and ball, make more smooth and easy convenient that the movable rod moved on the right-hand member inner wall of buffering utricule, reduce the friction influence.
(7) The spraying and guiding structure comprises a magnetic insulating seat, the magnetic insulating seat is fixedly connected with the inner wall of the right end of the buffering bag body, the upper end of the magnetic insulating seat is rotatably connected with two magnetic insulating petals which are tightly contacted with each other, the upper end of the magnetic insulating seat is fixedly connected with a magnet block, the magnet block is positioned between the two magnetic insulating petals, a connecting rod is rotatably connected between the two magnetic insulating petals and the two movable rods, a poking rod is arranged on the upper side of the valve body, the lower end of the poking rod is fixedly connected with the magnet block, the ends, close to each other, of the magnet block and the magnet block are arranged in the same polarity, a telescopic spring is fixedly connected between the valve body and the magnet block, the right end of the spraying cylinder is provided with a movable opening in a chiseled mode, the poking rod penetrates through the movable opening and extends into the spraying cylinder, the outer end of the poking rod is rotatably connected with the inner wall of the movable opening, a piston is slidably connected with the inner part of the spraying cylinder, the upper end of the piston is fixedly connected with a pressing rod in a rotating mode, the waterproof breathable film is fixedly connected inside the air spraying cylinder, the waterproof breathable film is positioned at the lower side of the piston, the two movable rods pull the two magnetism-insulating flaps to separate from each other in the separation process, the magnetism-insulating seat and the magnetism-insulating flaps made of Fe-Ni alloy can effectively shield the magnetic influence of the magnet block in a closed state, after separation, the magnetic shielding of the magnet block is cancelled, the ends, close to the magnet block, of the magnet block and the magnet sheet repel each other in the same polarity, the magnet sheet is squeezed to drive the poke rod to move upwards, the poke rod is enabled to turn over and press the pressure rod to move downwards, the piston is enabled to move downwards, air inside the air spraying cylinder is squeezed to be sprayed downwards through the waterproof breathable film, downward blowing force is applied to flowing fluid in the vertical direction, the air spraying cylinder is dispersed, the impact force of the fluid is reduced to a certain degree, and the impact force transmitted to the valve plate is further weakened, so that the cable is not easy to be damaged and the service life of the cable is prolonged.
(8) The magnetic insulation seat and the magnetic insulation flap are both made of Fe-Ni alloy materials, the content of Ni in the magnetic insulation seat and the magnetic insulation flap is 80%, the initial state of the magnetic insulation seat and the magnetic insulation flap is a closed state, the magnetic influence of the magnet block can be effectively realized by using the magnetic insulation seat and the magnetic insulation flap made of the Fe-Ni alloy materials in the closed state, and the magnetic shielding of the magnet block is cancelled after separation.
(9) The outer end fixedly connected with sealing washer of piston, the outer end of sealing washer and the inner wall in close contact with of gas-jet cylinder, waterproof ventilated membrane adopt polymer waterproof material to make, through the setting of sealing washer, reduce the air and upwards spill over the possibility through the gap between piston and the gas-jet cylinder, make the air fully spout downwards, and waterproof ventilated membrane that polymer waterproof material made can make in the fluid is difficult for permeating the gas-jet cylinder, can realize the circulation of air again simultaneously.
Drawings
FIG. 1 is a schematic perspective view of a valve body according to the present invention;
FIG. 2 is a partial overall structure diagram of the present invention;
FIG. 3 is a schematic side view of the shunt frame of the present invention;
FIG. 4 is a schematic top view of a cushioning bladder of the present invention;
FIG. 5 is a dynamic transition diagram of the present invention with the magnetic isolation flaps separated;
fig. 6 is a schematic partial cross-sectional view of the spray structure of the present invention.
The numbering in the figures illustrates:
1. a valve body; 2. a valve plate; 3. a shunt frame; 4. shunting fan blades; 5. a filter screen; 6. a dispersion hole; 7. rotating the rod; 8. cleaning the brush body; 9. a buffer bladder body; 10. a buffer layer; 1001. a buffer fluid; 11. a movable rod; 1101. a ball bearing; 1102. a connecting rod; 1103. a tension rope; 12. a magnetic insulation seat; 13. a magnetic isolation flap; 14. a magnet block; 15. a gas-jet cylinder; 16. a poke rod; 17. a magnet piece; 18. a tension spring; 19. a pressure lever; 20. a piston; 21. waterproof ventilated membrane.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment is as follows:
referring to fig. 1-6, a silent butterfly valve capable of reducing impact force comprises a valve body 1, a valve plate 2 is installed inside the valve body 1, a shunt frame 3 is fixedly connected inside the valve body 1, the shunt frame 3 is located on the left side of the valve plate 2, a shunt structure is arranged inside the shunt frame 3, a buffer bag body 9 is fixedly connected on the left end of the valve plate 2, the buffer bag body 9 is internally provided with a buffer structure, an air injection cylinder 15 is fixedly connected on the upper end of the valve body 1, the air injection cylinder 15 penetrates through the upper end of the valve body 1, the lower end of the air injection cylinder 15 is provided with an opening, the air injection cylinder 15 is communicated with the inside of the valve body 1, the air injection cylinder 15 is located between the shunt frame 3 and the buffer bag body 9, and an injection guide structure is arranged inside the air injection cylinder 15, so that after fluid enters the valve body 1, the fluid passes through the shunt frame 3, the fluid is shunted by the shunt structure to be dispersed into a bundle of small fluid, the impact force of fluid is dispersed, meanwhile, the fluid impacts the buffering bag body 9 in front of the valve plate 2, the buffering structure is enabled to drive the buffering bag body 9 to deform so as to reduce the impact force transmitted to the valve plate 2, the buffering bag body 9 deforms so that the spraying guide structure drives the air injection cylinder 15 to inject air downwards, downward blowing force is applied to the flowing fluid in the vertical direction, the fluid is dispersed, the impact force is reduced to a certain extent, the impact force transmitted to the valve plate 2 is further weakened, the fluid is not prone to damage, and the service life of the fluid is prolonged.
Referring to fig. 2-3, the flow dividing structure includes a flow dividing blade 4, the flow dividing blade 4 is located in a flow dividing frame 3 and rotatably connected to the flow dividing frame, an opening is cut at the left end of the flow dividing frame 3, a filter screen 5 is fixedly connected to the inner wall of the opening, a rotating rod 7 is rotatably connected to the outer end of the filter screen 5, the rotating rod 7 is fixedly connected to the flow dividing blade 4, cleaning brushes 8 are fixedly connected to the upper and lower ends of the rotating rod 7, the outer end of the cleaning brushes 8 contacts the inner wall of the valve body 1, a plurality of uniformly distributed dispersion holes 6 are cut at the right end of the flow dividing frame 3, the flowing fluid enters the flow dividing frame 3 after being filtered by the filter screen 5 and is driven to rotate the flow dividing blade 4 by the flowing action, the flow dividing blade 4 rotates the rotating rod 7 to drive the cleaning brushes 8 to brush off and clean the impurities on the inner wall of the valve body 1, and the brushed impurities are diffused in the valve body 1, the fluid which is about to flow into the filter screen 5 and the cleaning brush body 8 is prevented to a certain extent, the flow speed of the fluid is reduced, the fluid flows out of the shunting frame 3 through the dispersing holes 6 and is dispersed into a bundle of small fluid, the impact force of the fluid is dispersed, the outer ends of the filter screen 5 and the cleaning brush body 8 are respectively provided with a lotus leaf membrane, the lotus leaf membrane is made of a PET (polyethylene terephthalate) original membrane material, the surface of the lotus leaf membrane is provided with an AS (acrylonitrile styrene) oleophobic and hydrophobic coating, the lotus leaf membrane made of the PET original membrane material is matched with the AS oleophobic and hydrophobic coating, so that impurities are not easy to adhere to the filter screen 5 and the cleaning brush body 8, the interference of the impurities to the cleaning brush body 8 during working is reduced, and meanwhile, the filter screen 5 is not easy to block.
Referring to fig. 2-5, the buffering structure includes a buffering layer 10, a buffering fluid 1001 is disposed inside the buffering layer 10, two movable rods 11 that are symmetrical front and back are rotatably connected to an inner wall of a left end of the buffering capsule 9, right ends of the two movable rods 11 are slidably connected to an inner wall of a right end of the buffering capsule 9, a tension rope 1103 is fixedly connected between the two movable rods 11, when the fluid impacts on the buffering layer 10, DCLAN molecules inside the buffering fluid 1001 made of DCLAN intelligent polymer material inside the buffering capsule can be rapidly gathered together, so that the buffering fluid 1001 is instantly softened and hardened to form a protective shell to resist the impact and reduce impact influence, and meanwhile, under the impact of the fluid, the buffering capsule 9 is deformed and concaved to drive the two movable rods 11 to be away from each other, the impact of the buffering capsule 9 is reduced by the tensile action of the tension rope 1103, so as to reduce the impact force transmitted to the valve plate 2, the buffer fluid 1001 is made of a DCLAN intelligent high polymer material, the initial state of the buffer fluid 1001 is a soft state, the DCLAN molecules in the buffer fluid 1001 can move freely under normal conditions, so that the buffer fluid 1001 is very soft, but when the buffer fluid is impacted, the DCLAN molecules in the buffer fluid 1001 can be rapidly gathered together, the buffer fluid 1001 is instantly softened and hardened to form a protective shell to resist the impact, meanwhile, a large number of hydrogen bonds between the DCLAN molecules can be temporarily separated, huge energy is consumed in the process, so that the impact force is rapidly dissipated, after the impact is dissipated, the large number of hydrogen bonds between the DCLAN molecules are instantly recombined, the DCLAN molecules restore to the free state, the buffer fluid 1001 is restored to the soft state, the outer ends of the right ends of the two movable rods 11 are respectively provided with a spherical groove, the two spherical grooves are respectively and rotatably connected with a ball 1101, the right end inner walls of the two balls 1101 are respectively connected with the inner wall of the buffer capsule 9 in a sliding manner, through the setting of spherical groove and ball 1101, make the more smooth and easy convenient of movable rod 11 motion on the right-hand member inner wall of buffering utricule 9, reduce the friction influence.
Referring to fig. 2-6, the spraying and guiding structure includes a magnetism-insulating base 12, the magnetism-insulating base 12 is fixedly connected with the inner wall of the right end of the buffering bag 9, the upper end of the magnetism-insulating base 12 is rotatably connected with two magnetism-insulating flaps 13, the two magnetism-insulating flaps 13 are in close contact with each other, the upper end of the magnetism-insulating base 12 is fixedly connected with a magnet block 14, the magnet block 14 is located between the two magnetism-insulating flaps 13, a connecting rod 1102 is rotatably connected between the two magnetism-insulating flaps 13 and the two movable rods 11, the upper side of the valve body 1 is provided with a poking rod 16, the lower end of the poking rod 16 is fixedly connected with a magnet piece 17, the ends of the magnet piece 17 and the magnet block 14, which are close to each other, are arranged like the same polarity, a telescopic spring 18 is fixedly connected between the valve body 1 and the magnet piece 17, the right end of the air injection cylinder 15 is provided with a movable opening, the poking rod 16 penetrates through the movable opening and extends into the air cylinder 15, the outer end of the poking rod 16 is rotatably connected with the inner wall of the movable opening, a piston 20 is connected in the air injection cylinder 15 in a sliding manner, a pressure rod 19 is fixedly connected at the upper end of the piston 20, the pressure rod 19 is rotatably connected with a poke rod 16, a waterproof breathable film 21 is fixedly connected in the air injection cylinder 15, the waterproof breathable film 21 is positioned at the lower side of the piston 20, the two magnetic insulation flaps 13 are pulled to be separated from each other in the separation process of the two movable rods 11, the magnetic insulation seat 12 and the magnetic insulation flaps 13 made of Fe-Ni alloy materials can effectively shield the magnetic influence of the magnet block 14 in a closed state, after separation, the magnetic shielding of the magnet block 14 is cancelled, the like poles at the ends, close to each other, of the magnet block 14 and the magnet piece 17 are repelled, the poke rod 16 is driven by the extrusion magnet piece 17 to move upwards, the poke rod 16 is overturned to press the pressure rod 19 to move downwards, so that the piston 20 is driven to move downwards, and the air in the air injection cylinder 15 is injected downwards through the waterproof breathable film 21, the fluid flowing in the vertical direction is dispersed by applying a downward blowing force, the impact force is reduced to a certain degree, the impact force transmitted to the valve plate 2 is further weakened, the fluid is not easy to damage, the service life of the fluid is prolonged, the magnetic insulating seat 12 and the magnetic insulating flap 13 are both made of Fe-Ni alloy materials, the content of Ni in the magnetic insulating seat 12 and the magnetic insulating flap 13 is 80%, the initial state of the magnetic insulating seat 12 and the magnetic insulating flap 13 is a closed state, the magnetic influence of the magnet block 14 can be effectively realized by using the magnetic insulating seat 12 and the magnetic insulating flap 13 made of Fe-Ni alloy materials in the closed state, after separation, the magnetic shielding of the magnet block 14 is cancelled, the outer end of the piston 20 is fixedly connected with a sealing ring, the outer end of the sealing ring is in close contact with the inner wall of the air injection cylinder 15, the waterproof air permeable membrane 21 is made of high polymer waterproof materials, through the setting of sealing washer, reduce the air and upwards spill over the possibility through the gap between piston 20 and the jet-propelled section of thick bamboo 15, make the air fully spout downwards, and waterproof ventilated membrane 21 that macromolecular waterproof material made can make the difficult infiltration of fluid in the jet-propelled section of thick bamboo 15, can realize the circulation of air again simultaneously.
In the invention, after fluid enters the valve body 1, the flowing fluid enters the shunting frame 3 through the filtration of the filter screen 5, and drives the shunting fan blades 4 to rotate through the flowing action, the shunting fan blades 4 rotate to drive the rotating rod 7 to rotate, so that the cleaning brush body 8 is driven to rotate to brush and clean impurities on the inner wall of the valve body 1, the brushed impurities are diffused in the valve body 1 to play a certain role of blocking the fluid which is about to flow into the fluid, the flow rate of the fluid is reduced, meanwhile, the fluid flows out of the shunting frame 3 through the dispersing holes 6 and is dispersed into a bundle of small fluid, the impact force of the fluid is dispersed, and the DCLAN molecules in the buffer fluid 1001 made of DCLAN intelligent high polymer material in the buffer fluid are rapidly gathered together when the fluid impacts on the buffer layer 10, so that the buffer fluid 1001 is instantly softened and hardened to form a protective shell to resist the impact, impact influence is relieved, meanwhile, under the impact of fluid, the buffering capsule body 9 is deformed and sunken inwards to drive the two movable rods 11 to be away from each other, the impact force of the buffering capsule body 9 is relieved by matching with the stretching action of the tension rope 1103, the impact force transmitted to the valve plate 2 is reduced, the two magnetic-insulation flaps 13 are pulled to be separated from each other in the process of the separation motion of the two movable rods 11, the magnetic-insulation seat 12 and the magnetic-insulation flaps 13 made of Fe-Ni alloy materials can effectively shield the magnetic influence of the magnet block 14 in a closed state, after the separation, the magnetic shielding of the magnet block 14 is cancelled, the same poles at the ends, close to each other, of the magnet block 14 and the magnet piece 17 are repelled, the poke rod 16 is driven by the extrusion magnet piece 17 to move upwards, the poke rod 16 is enabled to overturn and press the press rod 19 to move downwards to drive the piston 20 to move downwards, and air in the extrusion air injection cylinder 15 is injected downwards through the waterproof ventilated membrane 21, the fluid is dispersed by applying a downward blowing force to the flowing fluid in the vertical direction, the impact force is reduced to a certain degree, the impact force transmitted to the valve plate 2 is further weakened, the valve plate is not easy to damage, and the service life of the valve plate is prolonged.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (7)

1. The utility model provides a can reduce silence formula butterfly valve of impact force, includes valve body (1), its characterized in that: the improved valve is characterized in that a valve plate (2) is arranged inside the valve body (1), a shunt frame (3) is fixedly connected inside the valve body (1), the shunt frame (3) is located on the left side of the valve plate (2), a shunt structure is arranged inside the shunt frame (3), a buffering bag body (9) is fixedly connected on the left end of the valve plate (2), a buffering structure is arranged inside the buffering bag body (9), an air injection cylinder (15) is fixedly connected on the upper end of the valve body (1), the air injection cylinder (15) penetrates through the upper end of the valve body (1), the lower end of the air injection cylinder (15) is arranged in an opening mode, the air injection cylinder (15) is communicated with the inside of the valve body (1), the air injection cylinder (15) is located between the shunt frame (3) and the buffering bag body (9), a spray guide structure is arranged inside the air injection cylinder (15), and the buffering structure comprises a buffering layer (10), the buffer layer (10) is internally provided with buffer fluid (1001), the inner wall of the left end of the buffer capsule body (9) is rotatably connected with two movable rods (11) which are symmetrical front and back, the right ends of the two movable rods (11) are both in sliding connection with the inner wall of the right end of the buffer capsule body (9), a tension rope (1103) is fixedly connected between the two movable rods (11), the spraying and guiding structure comprises a magnetic insulation seat (12), the magnetic insulation seat (12) is fixedly connected with the inner wall of the right end of the buffer capsule body (9), the upper end of the magnetic insulation seat (12) is rotatably connected with two magnetic insulation valve pieces (13), the two magnetic insulation valve pieces (13) are mutually and tightly contacted, the upper end of the magnetic insulation seat (12) is fixedly connected with a magnet block (14), the magnet block (14) is positioned between the two magnetic insulation valve pieces (13), and a connecting rod (1102) is rotatably connected between the two magnetic insulation valve pieces (13) and the two movable rods (11), a poke rod (16) is arranged on the upper side of the valve body (1), the lower end of the poke rod (16) is fixedly connected with a magnet piece (17), the ends of the magnet sheets (17) and the magnet blocks (14) which are close to each other are arranged in the same polarity, an extension spring (18) is fixedly connected between the valve body (1) and the magnet sheet (17), the right end of the air injection cylinder (15) is provided with a movable opening in a chiseled mode, the poking rod (16) penetrates through the movable opening and extends into the air injection cylinder (15), the outer end of the poke rod (16) is rotationally connected with the inner wall of the movable opening, the inner part of the air injection cylinder (15) is connected with a piston (20) in a sliding way, the upper end of the piston (20) is fixedly connected with a pressure lever (19), the pressure lever (19) is rotationally connected with a poke rod (16), the inner part of the gas injection cylinder (15) is fixedly connected with a waterproof breathable film (21), and the waterproof breathable film (21) is positioned on the lower side of the piston (20).
2. A silent butterfly valve according to claim 1, wherein: the reposition of redundant personnel structure is including reposition of redundant personnel flabellum (4), reposition of redundant personnel flabellum (4) are located reposition of redundant personnel frame (3) and rotate rather than and are connected, the left end of reposition of redundant personnel frame (3) is excavated there is the opening, the inner wall fixedly connected with filter screen (5) of opening, the outer end of filter screen (5) is rotated and is connected with dwang (7), dwang (7) and reposition of redundant personnel flabellum (4) fixed connection, the equal fixedly connected with in upper and lower both ends of dwang (7) clears up the brush body (8), the outer end of the clearance brush body (8) contacts with the inner wall of valve body (1), the right-hand member of reposition of redundant personnel frame (3) is excavated and is had a plurality of evenly distributed's scattered hole (6).
3. A silent butterfly valve according to claim 2, wherein: the outer ends of the filter screen (5) and the cleaning brush body (8) are respectively provided with a lotus leaf membrane, the lotus leaf membrane is made of PET raw membrane materials, and the surface of the lotus leaf membrane is provided with an AS oleophobic and hydrophobic coating.
4. A silent butterfly valve according to claim 1, wherein: the buffer fluid (1001) is made of a DCLAN intelligent high polymer material, and the initial state of the buffer fluid (1001) is a soft state.
5. A silent butterfly valve according to claim 1, wherein: two spherical grooves are formed in the right end of the movable rod (11), balls (1101) are connected in the spherical grooves in a rotating mode, and the outer ends of the balls (1101) are connected with the inner wall of the right end of the buffering bag body (9) in a sliding mode.
6. A silent butterfly valve according to claim 1, wherein: the magnetic insulation seat (12) and the magnetic insulation flap (13) are both made of Fe-Ni alloy materials, the content of Ni in the magnetic insulation seat (12) and the magnetic insulation flap (13) is 80%, and the initial states of the magnetic insulation seat (12) and the magnetic insulation flap (13) are closed states.
7. A silent butterfly valve according to claim 1, wherein: the outer end of the piston (20) is fixedly connected with a sealing ring, the outer end of the sealing ring is in close contact with the inner wall of the gas cylinder (15), and the waterproof and breathable film (21) is made of a high-molecular waterproof material.
CN202111584047.3A 2021-12-22 2021-12-22 Mute butterfly valve capable of reducing impact force Active CN114233874B (en)

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CN114233876A (en) * 2022-01-11 2022-03-25 浙江良精阀门有限公司 Mute butterfly valve capable of reducing impact force
CN115750809B (en) * 2022-11-10 2023-10-24 盐城市苏豪阀业有限公司 Butterfly valve impact-resistant structure and use method thereof
CN116099789B (en) * 2023-03-10 2023-09-01 河北巨英除尘设备制造安装有限公司 Plastic plate dust removing device for flue gas pollutant treatment

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JP2001304441A (en) * 2000-04-21 2001-10-31 Shin Caterpillar Mitsubishi Ltd Valve structure
CN201944282U (en) * 2011-03-12 2011-08-24 安徽铜都阀门股份有限公司 Straight-through rapid cut-off valve
CN204647469U (en) * 2015-04-17 2015-09-16 廖美德 Steam valve
CN110274035A (en) * 2019-07-10 2019-09-24 天虹阀门科技（泉州）有限公司 Bidirectional bearing double eccentric butterfly valve
CN214119141U (en) * 2020-12-15 2021-09-03 佛山市南海科惠汽配有限公司 Butterfly valve with noise reduction function
CN215257878U (en) * 2021-07-02 2021-12-21 武汉百耐流体控制设备有限公司 Power plant is with butterfly valve of making an uproar that falls
CN113738896B (en) * 2021-09-08 2023-06-06 本兴阀门制造有限公司 Damping butterfly valve

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Address after: 325026 Wenzhou Bay New Area, Wenzhou City, Zhejiang Province, China, No. 388 Binhai 13th Road, Factory Building (2), First and Third Floors, and First Floor of Office Building

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