CN113623410A - Butterfly valve for reducing water flow impact force when valve is closed - Google Patents

Butterfly valve for reducing water flow impact force when valve is closed Download PDF

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Publication number
CN113623410A
CN113623410A CN202110910937.2A CN202110910937A CN113623410A CN 113623410 A CN113623410 A CN 113623410A CN 202110910937 A CN202110910937 A CN 202110910937A CN 113623410 A CN113623410 A CN 113623410A
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CN
China
Prior art keywords
valve
plate
butterfly
water flow
main body
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Withdrawn
Application number
CN202110910937.2A
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Chinese (zh)
Inventor
陈正良
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Individual
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Individual
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Priority to CN202110910937.2A priority Critical patent/CN113623410A/en
Publication of CN113623410A publication Critical patent/CN113623410A/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
    • F16K1/221—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 specially adapted operating means therefor
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • 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
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
    • 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
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)

Abstract

The invention relates to the technical field of valves, in particular to a butterfly valve for reducing water flow impact force when the valve is closed, which comprises a valve main body which is integrally tubular, wherein two ends of the valve main body are provided with connecting assemblies, a bottom shaft seat is fixedly installed on one side of the inner wall of the bottom of the valve main body, the bottom shaft seat is rotatably connected with a butterfly plate used for sealing the valve main body, one side of the butterfly plate is provided with a reinforced buffer assembly, the top end of the butterfly plate is fixedly provided with a valve plate shaft rod, the top end of the valve main body is fixedly provided with a sleeve pipe end, the top end of the valve main body is provided with a driving mechanism, one end of the valve main body, which is close to the reinforced buffer assembly, is provided with a telescopic buffer mechanism, and the telescopic buffer mechanism comprises a plurality of connecting branch pipes which are equidistantly installed on the valve main body; the butterfly plate impact device can play a good role in assisting and resisting in the process that water flow suddenly impacts the butterfly plate, and buffers the impact force of the water flow so as to reduce the actual impact force on the butterfly plate.

Description

Butterfly valve for reducing water flow impact force when valve is closed
Technical Field
The invention relates to the technical field of valves, in particular to a butterfly valve for reducing water flow impact force when the valve is closed.
Background
The butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow; a butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
In the prior art, the following problems exist:
(1) in the closing process of the traditional butterfly valve, because an external water supply system cannot stop conveying water flow in time, the water flow in a pipeline often impacts the butterfly valve suddenly, and the traditional butterfly valve is not designed to be buffered, so that the service life of the valve is influenced easily after the traditional butterfly valve is used for a long time;
(2) the closing part of traditional butterfly valve designs comparatively simply, and holistic structural strength is comparatively general, and its actual shock resistance is also not ideal enough, so has certain limitation.
Disclosure of Invention
The present invention is directed to a butterfly valve with a valve closed to reduce water flow impact force, so as to solve the problems of the background art.
The technical scheme of the invention is as follows: a butterfly valve for reducing water flow impact force when the valve is closed comprises a valve main body which is integrally tubular, wherein two ends of the valve main body are provided with connecting assemblies, a bottom shaft seat is fixedly installed on one side of the inner wall of the bottom of the valve main body, the bottom shaft seat is rotatably connected with a butterfly plate used for sealing the valve main body, one side of the butterfly plate is provided with a reinforced buffering assembly, a valve plate shaft lever is fixedly installed at the top end of the butterfly plate, a sleeve pipe end is fixedly installed at the top end of the valve main body, a driving mechanism is arranged at the top end of the valve main body, a telescopic buffering mechanism is installed at one end, close to the reinforced buffering assembly, of the valve main body and comprises a plurality of connecting branch pipes which are equidistantly installed on the valve main body, one ends of the connecting branch pipes are communicated with the inside of the valve main body, and movable inserted rods are hermetically and slidably connected inside the connecting branch pipes, the other end of the connecting branch pipe is fixedly connected with a hydraulic ring pipe, and one side of the hydraulic ring pipe is fixedly connected with an oil cavity conical hopper; through the arranged driving mechanism, the rotating motor drives the driving rotating rod to rotate, and then the second transmission gear and the speed reduction gear are utilized to drive the valve disc shaft rod to rotate, so that the butterfly plate is driven to turn over, and the valve main body is closed and sealed by matching with the embedded ring opening and the sealed convex ring end; in the process, the driving rotating rod drives the threaded screw rod to rotate rapidly by utilizing the transmission effect of the first transmission gear and the speed-increasing gear, so that the driving supporting rod is driven to move downwards under the effect of the limiting convex rib, the pressing plate is further pushed to move downwards, oil is pressed into the hydraulic ring pipe, the movable inserting rod in the connecting branch pipe is further supported out, the end part of the movable inserting rod is arranged in the valve main body, the butterfly plate is suddenly impacted by water flow, a good auxiliary supporting and blocking effect can be achieved, the impact force of the water flow is buffered, and the actual impact force of the butterfly plate is reduced.
Preferably, the heating buffer assembly comprises a plurality of reinforcing ring ribs fixedly arranged on one side of the butterfly plate, the plurality of reinforcing ring ribs and the circle center of the butterfly plate are at the same position, and a plurality of convex hulls which are distributed with the reinforcing ring ribs in a staggered manner are fixedly arranged on the butterfly plate; utilize the enhancement buffering subassembly that sets up, can utilize the enhancement ring muscle and the convex closure that set up, effectively improve the surface area of this butterfly plate to reduce the rivers pressure that butterfly plate unit area received, thereby improve the impact resistance ability of butterfly plate.
Preferably, the driving mechanism comprises a plurality of mounting frames fixedly mounted on the top end of the valve body, a driving box is fixedly mounted on the outer wall of the top of each mounting frame, the valve plate shaft rods are rotatably connected with the sleeve ends and the driving box through sealing bearings, and a rotating motor is fixedly mounted on the top end of the driving box.
Preferably, the output shaft of the rotating motor is connected with a driving rotating rod through a coupler, the bottom end of the oil cavity conical hopper is fixedly connected with the inner bottom of the driving box, and the inner wall of the top of the driving box is rotatably connected with a threaded screw rod.
Preferably, an acceleration transmission mechanism is installed on one side, opposite to the driving rotating rod, of the threaded screw rod, a deceleration transmission mechanism is installed on one side, opposite to the valve plate shaft rod, of the driving rotating rod, the acceleration transmission mechanism comprises a first transmission gear and a second transmission gear which are respectively in key connection with the driving rotating rod and the threaded screw rod, the diameters of the first transmission gear and the second transmission gear are larger than those of the acceleration gear, the deceleration transmission mechanism comprises a deceleration gear and a second transmission gear which are respectively in key connection with the valve plate shaft rod and the driving rotating rod, and the diameter of the second transmission gear is smaller than that of the deceleration gear.
Preferably, the bottom end of the threaded screw rod is connected with a supporting rod through threads, a plurality of limiting convex ribs are fixedly mounted on the outer wall of the circumference of the supporting rod, the supporting rod is connected with the oil cavity conical hopper in a sliding mode in the vertical direction, a pressing plate connected with the inner wall of the oil cavity conical hopper in a sliding mode is fixedly mounted at the bottom end of the supporting rod, a first reset spring is fixedly connected to the outer wall of the top of the pressing plate and the opposite side of the oil cavity conical hopper, and a cambered bottom block is fixedly mounted on the outer wall of the bottom of the pressing plate.
Preferably, coupling assembling is including respectively fixed the broadsword mouth installation end plate that sets up in valve main part both ends, and has all seted up ring groove on two broadsword mouth installation end plates, two ring groove's inside all is provided with the rubber packing ring, heavy groove has all been seted up to one side of broadsword mouth installation end plate, and the interior bottom center department of heavy groove has all seted up the mounting hole.
Preferably, one side of the wide mounting end plate close to the mounting hole is provided with an annular mounting cavity, the inner wall of the annular mounting cavity is fixedly provided with an embedded magnetic ring, one side of the butterfly plate is provided with an embedded ring opening, and the inner wall of one end of the valve main body is provided with a closed convex ring end matched with the embedded ring opening.
Preferably, the reinforcing buffer assembly comprises two groups of V-shaped plates fixedly arranged on one side of the butterfly plate, the V-shaped plates on the two sides are distributed in a criss-cross manner, a reinforcing plate is fixedly arranged at one end of each V-shaped plate, and four inclined plane ends are arranged on the surface of each reinforcing plate; the V-shaped plate and the reinforcing plate which are distributed in the criss-cross mode are utilized, the surface area of the butterfly plate can be improved, and meanwhile, the structural strength of the butterfly plate is further improved, so that the performance of the butterfly plate against water flow impact force is improved, and meanwhile, the inclined plane end of the butterfly plate can conduct guiding and shunting on the impact force applied to the water flow in the horizontal direction to achieve the purpose of weakening the impact force.
Preferably, the reinforcing buffer assembly comprises a middle end block and a side ring which are fixedly arranged on the outer wall of one side of the butterfly plate, a plurality of sector arc plates are fixedly arranged on the opposite side of the side ring and the middle end block, and the outer walls of the sector arc plates are fixedly provided with the proliferation blocks; utilize limit ring, sector arc board and the increase piece, the well end block that set up, when guaranteeing that the butterfly plate has enough structural strength, usable sector arc board plays better guide effect to the impact force that rivers were applyed to make partial rivers self take place to strike, thereby offset the impact force of rivers to a certain extent, thereby guarantee the safe handling of this butterfly valve.
The invention provides a butterfly valve for reducing water flow impact force by improving the closing of the valve, compared with the prior art, the butterfly valve has the following improvements and advantages:
one is as follows: the valve main body is closed and sealed by utilizing the driving mechanism, the rotating motor drives the driving rotating rod to rotate, and then the second transmission gear and the speed reduction gear drive the valve sheet shaft rod to rotate under the speed reduction transmission action, so that the butterfly plate is driven to turn over, and the embedded ring opening and the sealed convex ring end are matched; in the process, the driving rotating rod drives the threaded screw rod to rotate rapidly by utilizing the transmission action of the first transmission gear and the speed-up gear, so that the abutting rod is driven to move downwards under the action of the limiting convex rib, the pressing plate is further pushed to move downwards, oil is pressed into the hydraulic ring pipe, the movable inserted rod in the connecting branch pipe is abutted out, the end part of the movable inserted rod is placed in the valve main body, and therefore, in the process that water flow suddenly impacts the butterfly plate, a good auxiliary abutting action can be achieved, the impact force of the water flow is buffered, and the actual impact force on the butterfly plate is reduced;
the second step is as follows: according to the embedded connecting device, the arranged connecting component is utilized, and the subsequent connecting bolts can be connected in an embedded mode through the sinking grooves, so that the connecting bolts are prevented from being completely exposed to the outside, and the condition that the connecting bolts are aged and rusted is reduced; the embedded magnetic ring arranged is utilized to play a certain adsorption role on the subsequent connecting bolt, so that the condition that the connecting bolt is loosened can be effectively avoided, and the stability of the installation of the valve main body is improved;
and thirdly: the butterfly plate has the advantages that the arranged reinforcing buffer component can effectively improve the surface area of the butterfly plate by using the arranged reinforcing ring ribs and the convex hulls, so that the water flow pressure on the unit area of the butterfly plate is reduced, and the impact resistance of the butterfly plate is improved;
fourthly, the method comprises the following steps: the V-shaped plates and the reinforcing plates which are distributed in a criss-cross mode are arranged, so that the surface area of the butterfly plate can be improved, and meanwhile, the structural strength of the butterfly plate is further improved, and the performance of resisting the impact force of water flow is improved; utilize limit ring, sector arc board and the increase piece, the well end block that set up, when guaranteeing that the butterfly plate has enough structural strength, usable sector arc board plays better guide effect to the impact force that rivers were applyed to make partial rivers self take place to strike, thereby offset the impact force of rivers to a certain extent, thereby guarantee the safe handling of this butterfly valve.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the present invention in partial cross-section in perspective;
FIG. 3 is a schematic perspective view of another embodiment of the present invention;
FIG. 4 is a schematic view of another perspective partial cross-sectional view of the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4A according to the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 4B in accordance with the present invention;
FIG. 7 is a schematic perspective view of a second butterfly plate according to an embodiment of the present invention;
fig. 8 is a schematic perspective view of a triple butterfly plate according to an embodiment of the present invention.
Description of reference numerals:
1. a valve body; 101. sleeving the pipe end; 102. a bottom shaft seat; 103. a butterfly plate; 104. reinforcing ring ribs; 105. a convex hull; 106. embedding the ring opening; 107. an edge ring; 108. a sector arc plate; 109. a proliferation block; 110. a middle end block; 111. a reinforcing plate; 112. a beveled end; 113. a V-shaped plate; 2. mounting an end plate at the wide opening; 3. mounting holes; 4. a mounting frame; 5. a drive cartridge; 501. a rotating electric machine; 502. a valve plate shaft lever; 503. a reduction gear; 504. a first transmission gear; 505. a speed increasing gear; 506. an active rotating rod; 507. a threaded lead screw; 508. a second transmission gear; 6. a hydraulic ring pipe; 601. connecting branch pipes; 602. a movable inserted link; 603. an oil cavity cone hopper; 604. a second return spring; 7. sinking a groove; 8. a rubber gasket; 9. an annular neck; 10. a support rod; 11. limiting convex ribs; 12. a first return spring; 13. pressing a plate; 14. a cambered surface bottom block; 15. the embedded magnetic ring.
Detailed Description
The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a butterfly valve for reducing water flow impact force by improving the closing of a valve, and the technical scheme of the butterfly valve is as follows:
the first embodiment is as follows:
as shown in fig. 1-6, a butterfly valve for reducing water flow impact force when the valve is closed includes a valve main body 1 which is integrally tubular, connection assemblies are disposed at two ends of the valve main body 1, a bottom shaft seat 102 is fixedly mounted at one side of the inner wall of the bottom of the valve main body 1, the bottom shaft seat 102 is rotatably connected with a butterfly plate 103 which is used for sealing the valve main body 1, a reinforcing buffer assembly is disposed at one side of the butterfly plate 103, a valve plate shaft rod 502 is fixedly mounted at the top end of the butterfly plate 103, a sleeve end 101 is fixedly mounted at the top end of the valve main body 1, a driving mechanism is disposed at the top end of the valve main body 1, and a telescopic buffer mechanism is mounted at one end of the valve main body 1 close to the reinforcing buffer assembly;
the telescopic buffer mechanism comprises a plurality of connecting branch pipes 601 which are equidistantly arranged on the valve main body 1, one end of each connecting branch pipe 601 is communicated with the inside of the valve main body 1, the inside of each connecting branch pipe 601 is hermetically and slidably connected with a movable inserted rod 602, the movable inserted rods 602 are fixedly connected with two reset springs 604 on one side of the connecting branch pipe 601, the other end of each connecting branch pipe 601 is fixedly connected with a hydraulic ring pipe 6, and an oil cavity conical hopper 603 is fixedly connected to one side of each hydraulic ring pipe 6.
Further, the heating buffer assembly comprises a plurality of reinforcing ring ribs 104 fixedly installed on one side of the butterfly plate 103, the circle centers of the plurality of reinforcing ring ribs 104 and the butterfly plate 103 are at the same position, and a plurality of convex hulls 105 which are distributed in a staggered mode with the reinforcing ring ribs 104 are fixedly installed on the butterfly plate 103.
By means of the structure, the surface area of the butterfly plate 103 is effectively improved by the aid of the arranged reinforcing buffer components and the reinforcing ring ribs 104 and the convex hulls 105, water flow pressure on the unit area of the butterfly plate 103 is reduced, and accordingly shock resistance of the butterfly plate 103 is improved.
Further, actuating mechanism includes a plurality of fixed mounting in the mounting bracket 4 on valve body 1 top, and mounting bracket 4's top outer wall fixed mounting has drive box 5, and valve block axostylus axostyle 502 all passes through sealed bearing with sleeve pipe end 101 and drive box 5 and rotates and be connected, and drive box 5's top fixed mounting has rotating electrical machines 501.
Further, an output shaft of the rotating motor 501 is connected with a driving rotating rod 506 through a coupler, the bottom end of the oil cavity conical hopper 603 is fixedly connected with the bottom inside the driving box 5, and the inner wall of the top of the driving box 5 is rotatably connected with a threaded screw rod 507.
By means of the structure, the rotating motor 501 drives the driving rotating rod 506 to rotate, and then the valve plate shaft rod 502 is driven to rotate by utilizing the speed reduction transmission action of the second transmission gear 508 and the speed reduction gear 503, so that the butterfly plate 103 is driven to turn over, and the valve body 1 is closed and sealed by matching with the embedded ring opening 106 and the sealed convex ring end.
Furthermore, an acceleration transmission mechanism is installed on one side of the opposite side of the threaded screw rod 507 and the driving rotating rod 506, a deceleration transmission mechanism is installed on one side of the opposite side of the driving rotating rod 506 and the valve plate shaft rod 502, the acceleration transmission mechanism comprises a first transmission gear 504 and a second transmission gear 505 which are respectively connected with the driving rotating rod 506 and the threaded screw rod 507 in a key mode, the diameters of the first transmission gear 504 and the second transmission gear 505 are larger than the diameter of the acceleration gear 505, the deceleration transmission mechanism comprises a second deceleration gear 503 and a second transmission gear 508 which are respectively connected with the valve plate shaft rod 502 and the driving rotating rod 506 in a key mode, and the diameter of the second transmission gear 508 is smaller than the diameter of the deceleration gear 503.
By means of the structure, the driving rotating rod 506 drives the threaded screw rod 507 to rotate rapidly by utilizing the transmission effect of the first transmission gear 504 and the speed-up gear 505, so that the supporting rod 10 is driven to move downwards under the effect of the limiting convex rib 11, the pressing plate 13 is further pushed to move downwards, oil is pressed into the hydraulic ring pipe 6, the movable inserting rod 602 in the connecting branch pipe 601 is further supported out, the end part of the movable inserting rod is arranged in the valve main body 1, and therefore in the process that water flow suddenly impacts the butterfly plate 103, a good auxiliary supporting effect can be achieved, impact force of the water flow is buffered, and impact force actually received by the butterfly plate 103 is reduced.
Furthermore, the bottom end of the threaded screw 507 is connected with a support rod 10 through threads, a plurality of limiting convex ribs 11 are fixedly mounted on the outer wall of the circumference of the support rod 10, the support rod 10 is connected with the oil cavity cone bucket 603 in a sliding mode in the vertical direction, a press plate 13 connected with the inner wall of the oil cavity cone bucket 603 in a sliding mode is fixedly mounted at the bottom end of the support rod 10, a first reset spring 12 is fixedly connected to the outer wall of the top of the press plate 13 and the opposite side of the oil cavity cone bucket 603, and a cambered bottom block 14 is fixedly mounted on the outer wall of the bottom of the press plate 13.
By means of the structure, the reset spring I12 is arranged, so that the subsequent quick reset of the pressing plate 13 is facilitated; the bottom area of the pressing plate 13 can be increased by utilizing the arranged cambered surface bottom block 14, so that the pressure intensity of the oil is reduced when the oil is pressed, and the service life of the device is prolonged.
Further, coupling assembling is including fixed respectively setting up in the wide mouthful installation end plate 2 at 1 both ends of valve main part, and has all seted up ring groove 9 on two wide mouthful installation end plates 2, and the inside of two ring groove 9 all is provided with rubber packing ring 8, and heavy groove 7 has all been seted up to one side of wide mouthful installation end plate 2, and the interior bottom center department of heavy groove 7 has all seted up mounting hole 3.
By means of the structure, the connecting component can be used for embedding the subsequent connecting bolt through the sinking groove 7 to avoid the subsequent connecting bolt from being completely exposed outside, and therefore the condition that the connecting bolt is aged and rusted is reduced.
Further, one side of the wide mounting end plate 2 close to the mounting hole 3 is provided with an annular mounting cavity, the inner wall of the annular mounting cavity is fixedly provided with an embedded magnetic ring 15, one side of the butterfly plate 103 is provided with an embedded ring opening 106, and the inner wall of one end of the valve body 1 is provided with a closed convex ring end matched with the embedded ring opening 106.
By means of the structure, the embedded magnetic ring 15 arranged can be used for playing a certain adsorption role on subsequent connecting bolts, so that the situation that the connecting bolts are loosened can be effectively avoided, and the installation stability of the valve main body 1 is improved.
The working principle is as follows: when the butterfly valve is used, the butterfly valve is installed and fixed by the aid of the arranged connecting assembly, and subsequent connecting bolts can be connected in an embedded mode through the sink grooves 7 by the aid of the connecting assembly, so that the connecting bolts are prevented from being completely exposed to the outside, and the situation that the connecting bolts are aged and rusted is reduced; the embedded magnetic ring 15 arranged can be used for adsorbing subsequent connecting bolts to a certain extent, so that the condition that the connecting bolts are loosened can be effectively avoided, and the installation stability of the valve main body 1 is improved; the rotary motor 501 drives the driving rotary rod 506 to rotate, and then the valve plate shaft rod 502 is driven to rotate by utilizing the speed reduction transmission action of the transmission gear II 508 and the speed reduction gear 503, so that the butterfly plate 103 is driven to turn over, and the valve main body 1 is closed and sealed by matching with the embedded ring opening 106 and the closed convex ring end; in the process, the driving rotating rod 506 drives the threaded screw rod 507 to rotate rapidly by utilizing the transmission action of the first transmission gear 504 and the speed-up gear 505, so that the abutting rod 10 is driven to move downwards under the action of the limiting convex rib 11, the pressing plate 13 is further pushed to move downwards, oil is pressed into the hydraulic ring pipe 6, the movable inserting rod 602 in the connecting branch pipe 601 is abutted out, the end part of the movable inserting rod is placed in the valve main body 1, and therefore, in the process that water flow suddenly impacts the butterfly plate 103, a good auxiliary abutting action can be achieved, the impact force of the water flow is buffered, and the impact force actually received by the butterfly plate 103 is reduced; by means of the arranged reinforcing buffer assembly, the reinforcing ring rib 104 and the convex hull 105, the surface area of the butterfly plate 103 is effectively improved, and therefore the water flow pressure on the unit area of the butterfly plate 103 is reduced, and the impact resistance of the butterfly plate 103 is improved.
Example two:
as shown in fig. 7, in a second embodiment, compared to the first embodiment, the reinforced buffering assembly includes two sets of V-shaped plates 113 fixedly mounted on one side of the butterfly plate 103, the V-shaped plates 113 are disposed, the V-shaped plates 113 on two sides are distributed in a criss-cross manner, one end of the V-shaped plate 113 is fixedly mounted with a reinforcing plate 111, and the surface of the reinforcing plate 111 is provided with four inclined ends 112.
By means of the structure, the V-shaped plates 113 and the reinforcing plates 111 which are distributed in a criss-cross mode are arranged, the surface area of the butterfly plate 103 can be improved, meanwhile, the structural strength of the butterfly plate 103 is further improved, and therefore the performance of the butterfly plate is improved, and meanwhile, the inclined plane end 112 can conduct guiding and shunting on impact force applied to water flow in the horizontal direction, and the purpose of weakening the impact force of the water flow is achieved.
Example three:
as shown in fig. 8, compared to the first and second embodiments, the butterfly valve with a valve closing function for reducing impact force of water flow in this embodiment includes a middle end block 110 and a side ring 107 fixedly mounted on an outer wall of one side of the butterfly plate 103, and a plurality of sector arc plates 108 are fixedly mounted on an opposite side of the side ring 107 and the middle end block 110, and an increasing block 109 is fixedly mounted on outer walls of the sector arc plates 108.
By means of the structure, the edge ring 107, the sector arc plate 108, the regeneration block 109 and the middle end block 110 are arranged, the butterfly plate 103 is guaranteed to have enough structural strength, meanwhile, the impact force applied to water flow by the sector arc plate 108 can be utilized to play a better guiding role, the impact direction is changed instantly, and part of water flow is impacted, so that the impact force of the water flow is counteracted to a certain degree, and the safe use of the butterfly valve is guaranteed.
The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a valve closes butterfly valve that reduces rivers impact force, is tubular valve main part (1) including whole, its characterized in that: the valve comprises a valve body (1), wherein connecting assemblies are arranged at two ends of the valve body (1), a bottom shaft seat (102) is fixedly installed on one side of the inner wall of the bottom of the valve body (1), a butterfly plate (103) used for sealing the valve body (1) is rotatably connected to the bottom shaft seat (102), a reinforcing buffer assembly is arranged on one side of the butterfly plate (103), a valve plate shaft rod (502) is fixedly installed at the top end of the butterfly plate (103), a sleeve pipe end (101) is fixedly installed at the top end of the valve body (1), a driving mechanism is arranged at the top end of the valve body (1), and a telescopic buffer mechanism is installed at one end, close to the reinforcing buffer assembly, of the valve body (1);
the telescopic buffer mechanism comprises a plurality of connecting branch pipes (601) which are equidistantly arranged on a valve main body (1), one ends of the connecting branch pipes (601) are communicated with the inside of the valve main body (1), the inside of each connecting branch pipe (601) is hermetically and slidably connected with a movable inserted rod (602), the movable inserted rods (602) are fixedly connected with two reset springs (604) on one side of the connecting branch pipes (601) opposite to each other, the other ends of the connecting branch pipes (601) are fixedly connected with hydraulic annular pipes (6), and one side of each hydraulic annular pipe (6) is fixedly connected with an oil cavity conical hopper (603).
2. A butterfly valve with a valve closure for reducing water flow impact according to claim 1, wherein: the heating buffer assembly comprises a plurality of reinforcing ring ribs (104) fixedly installed on one side of the butterfly plate (103), the circle centers of the plurality of reinforcing ring ribs (104) and the butterfly plate (103) are located at the same position, and a plurality of convex hulls (105) which are distributed in a staggered mode with the reinforcing ring ribs (104) are fixedly installed on the butterfly plate (103).
3. A butterfly valve with a valve closure for reducing water flow impact according to claim 2, wherein: the driving mechanism comprises a plurality of mounting frames (4) fixedly mounted on the top end of the valve body (1), a driving box (5) is fixedly mounted on the outer wall of the top of each mounting frame (4), the valve plate shaft rod (502) is rotatably connected with the sleeve end (101) and the driving box (5) through sealing bearings, and a rotating motor (501) is fixedly mounted on the top end of the driving box (5).
4. A butterfly valve with a valve closure for reducing water flow impact according to claim 3, wherein: the output shaft of the rotating motor (501) is connected with a driving rotating rod (506) through a coupler, the bottom end of the oil cavity conical hopper (603) is fixedly connected with the bottom in the driving box (5), and the inner wall of the top of the driving box (5) is rotatably connected with a threaded screw rod (507).
5. The butterfly valve of claim 4 wherein the valve closure reduces the impact of water flow by: an acceleration transmission mechanism is installed on one side, opposite to the driving rotating rod (506), of the threaded screw rod (507), a speed reduction transmission mechanism is installed on one side, opposite to the valve plate shaft rod (502), of the driving rotating rod (506), the speed reduction transmission mechanism comprises a first transmission gear (504) and a second transmission gear (505) which are respectively in key connection with the driving rotating rod (506) and the threaded screw rod (507), the diameters of the first transmission gear (504) and the second transmission gear (505) are larger than that of the speed increase gear (505), the speed reduction transmission mechanism comprises a second speed reduction gear (503) and a second transmission gear (508) which are respectively in key connection with the valve plate shaft rod (502) and the driving rotating rod (506), and the diameter of the second transmission gear (508) is smaller than that of the speed reduction gear (503).
6. The butterfly valve of claim 5 wherein the valve closure reduces the impact of water flow by: the bottom of screw thread lead screw (507) has support pole (10) through threaded connection, and supports the circumference outer wall fixed mounting of pole (10) and have a plurality of spacing protruding muscle (11), support pole (10) and oil pocket awl fill (603) sliding connection in vertical direction, the bottom fixed mounting who supports pole (10) has and bores clamp plate (13) of fighting (603) inner wall sliding connection with the oil pocket, and clamp plate (13) top outer wall and oil pocket awl fill relative one side fixedly connected with reset spring (12) of (603), the bottom outer wall fixed mounting of clamp plate (13) has cambered surface bottom block (14).
7. A butterfly valve with a valve closure for reducing water flow impact according to claim 1, wherein: coupling assembling is including fixed respectively setting up in the wide mouthful installation end plate (2) at valve main part (1) both ends, and has all seted up ring groove (9), two on two wide mouthful installation end plate (2) the inside of ring groove (9) all is provided with rubber packing ring (8), heavy groove (7) have all been seted up to one side of wide mouthful installation end plate (2), and the interior bottom center department of heavy groove (7) has all seted up mounting hole (3).
8. The butterfly valve of claim 7 wherein the valve closure reduces the impact of water flow by: the wide mouth installation end plate (2) is close to one side of mounting hole (3) and has all been seted up annular installation cavity, and the equal fixed mounting in inner wall of annular installation cavity has embedded magnetic ring (15), gomphosis ring (106) have been seted up to one side of butterfly plate (103), the one end inner wall of valve main part (1) is provided with the airtight bulge loop end with gomphosis ring (106) looks adaptation.
9. A butterfly valve with a valve closure for reducing water flow impact according to claim 1, wherein: strengthen buffering subassembly including fixed mounting in V shaped plate (113) of butterfly board (103) one side, and V shaped plate (113) are provided with two sets ofly, both sides V shaped plate (113) are vertically and horizontally staggered and distribute, and the one end fixed mounting of V shaped plate (113) has reinforcing plate (111), the surface setting of reinforcing plate (111) is four inclined plane ends (112).
10. A butterfly valve with a valve closure for reducing water flow impact according to claim 1, wherein: strengthen buffering subassembly including fixed mounting in well end piece (110) and limit ring (107) of butterfly board (103) one side outer wall, and limit ring (107) and the relative one side fixed mounting of well end piece (110) have a plurality of sector arc boards (108), the equal fixed mounting of outer wall of sector arc board (108) has proliferation piece (109).
CN202110910937.2A 2021-08-10 2021-08-10 Butterfly valve for reducing water flow impact force when valve is closed Withdrawn CN113623410A (en)

Priority Applications (1)

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CN202110910937.2A CN113623410A (en) 2021-08-10 2021-08-10 Butterfly valve for reducing water flow impact force when valve is closed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110910937.2A CN113623410A (en) 2021-08-10 2021-08-10 Butterfly valve for reducing water flow impact force when valve is closed

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321394A (en) * 2021-12-25 2022-04-12 盐城欧润石化设备制造有限公司 Valve with water hammer resisting function for petroleum machinery
CN114754216A (en) * 2022-04-14 2022-07-15 安徽晋煤中能化工股份有限公司 Pipeline vibration damper
CN115750809A (en) * 2022-11-10 2023-03-07 盐城市苏豪阀业有限公司 Butterfly valve impact-resistant structure and use method thereof
CN117780947A (en) * 2024-01-22 2024-03-29 浙江永联阀门集团有限公司 Butterfly valve

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321394A (en) * 2021-12-25 2022-04-12 盐城欧润石化设备制造有限公司 Valve with water hammer resisting function for petroleum machinery
CN114321394B (en) * 2021-12-25 2022-12-06 高邮浩翔石油机械有限公司 Valve with water hammer resisting function for petroleum machinery
CN114754216A (en) * 2022-04-14 2022-07-15 安徽晋煤中能化工股份有限公司 Pipeline vibration damper
CN114754216B (en) * 2022-04-14 2023-06-02 安徽晋煤中能化工股份有限公司 Pipeline vibration damper
CN115750809A (en) * 2022-11-10 2023-03-07 盐城市苏豪阀业有限公司 Butterfly valve impact-resistant structure and use method thereof
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
CN117780947A (en) * 2024-01-22 2024-03-29 浙江永联阀门集团有限公司 Butterfly valve
CN117780947B (en) * 2024-01-22 2024-06-07 浙江永联阀门集团有限公司 Butterfly valve

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Application publication date: 20211109