CN114427603A - Double-sealing flange type electric butterfly valve - Google Patents

Double-sealing flange type electric butterfly valve Download PDF

Info

Publication number
CN114427603A
CN114427603A CN202210074111.1A CN202210074111A CN114427603A CN 114427603 A CN114427603 A CN 114427603A CN 202210074111 A CN202210074111 A CN 202210074111A CN 114427603 A CN114427603 A CN 114427603A
Authority
CN
China
Prior art keywords
plate
valve
core
electric butterfly
butterfly valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210074111.1A
Other languages
Chinese (zh)
Other versions
CN114427603B (en
Inventor
程耀森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Zhongtian Nuclear Technology Industry Co ltd
Original Assignee
Hefei Xuyao Control Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Xuyao Control Equipment Co ltd filed Critical Hefei Xuyao Control Equipment Co ltd
Priority to CN202210074111.1A priority Critical patent/CN114427603B/en
Publication of CN114427603A publication Critical patent/CN114427603A/en
Application granted granted Critical
Publication of CN114427603B publication Critical patent/CN114427603B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/222—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/228—Movable sealing bodies
    • 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

Landscapes

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

Abstract

The invention relates to the field of butterfly valves, in particular to a double-seal flange type electric butterfly valve which comprises a valve shell, wherein a valve plate matched with the cross section of the valve plate is arranged in the valve shell in a rotating mode, two retaining walls are fixed on the inner wall of the valve shell and are distributed in a central symmetry mode, a shaft column is arranged on the axis position of the valve plate through elastic rotation of a torsion spring, the valve plate comprises a plate body, core plates are inserted into two sides of the plate body in a sliding mode, a cam is fixed on the surface of the shaft column, the cam extrudes the core plates to move to be in contact with the inner wall of the valve shell, a driving mechanism is connected to the outer end of the shaft column, and the driving mechanism drives the shaft column to rotate.

Description

Double-sealing flange type electric butterfly valve
Technical Field
The invention relates to the field of butterfly valves, in particular to a double-seal flange type electric butterfly valve.
Background
The electric butterfly valve belongs to a variety of electric valves and electric regulating valves, along with the development of the electric valves, a plurality of well-known valve enterprises are available at home and abroad for producing the electric valves, and the electric butterfly valve is an important execution unit in the field of industrial automation control.
The pipeline is blocked or opened through the rotation of the electric drive valve plate, the opening and closing control of the pipeline is realized, the cross section of the pipeline is blocked by contacting the valve plate with the inner wall of the valve body for blocking the pipeline, the edge of the valve plate is in movable contact with the inner wall of the valve shell due to the movable and rotary installation of the valve plate, the complete sealing difficulty is very high, and the requirement on the size precision of a product is higher.
Disclosure of Invention
The invention aims to solve the following problems in the prior art: because the valve plate is movably and rotatably installed, the edge of the valve plate is in movable contact with the inner wall of the valve shell, the difficulty of complete sealing is high, and the requirement on the size precision of a product is high.
In order to solve the problems in the prior art, the invention provides a double-seal flange type electric butterfly valve which comprises a valve shell, the valve plate is internally and rotatably provided with a valve plate matched with the section of the valve plate, two retaining walls are fixed on the inner wall of the valve shell and are distributed in central symmetry, the axis position of the valve plate is elastically and rotatably provided with a shaft post through a torsion spring, the valve plate comprises a plate body, core plates are slidably inserted at two sides of the plate body, a cam is fixed on the surface of the shaft post, the cam extrudes the core plates to move to be contacted with the inner wall of the valve shell, the outer end of the shaft post is connected with a driving mechanism, and the driving mechanism drives the shaft post to rotate, the valve plate rotates to the position blocked by the blocking wall under the action of the torsion spring to form sealing to the valve shell, the shaft post continuously overcomes the elastic force of the torsion spring to rotate, the cam rotates relative to the valve plate to extrude the core plate to the side edge, and the core plate is in close contact with the inner wall of the valve shell to form double sealing.
Preferably, the central point of plate body puts and has seted up the dead slot, and the jack-post rotates and passes the dead slot, and the cam is located the dead slot, and the movable groove that link up with the dead slot is seted up to the side symmetry of plate body, and the core slides in the movable groove, and the core is close to one side and the cam extrusion contact of dead slot, accomodates the core through the movable groove, makes it form an organic whole with the plate body, just carries out the secondary shutoff through cam extrusion core removal after the pipeline is closed to the plate body.
Preferably, the core plate, the top and the bottom of the plate body are in plane fit with the inner wall of the valve casing, so that the top and the bottom of the core plate and the plate body are in plane sealing contact.
Preferably, the inside symmetry of valve casing has seted up the cooperation groove, the edge and the cooperation groove adaptation of core board, insert the edge of core board in the cooperation inslot and form great sealed contact surface, improve sealing strength.
Preferably, the core plate is close to one side of dead slot and slides and pegs graft and have the touch multitouch, and the edge of core plate is provided with expansion assembly, and touch multitouch one end and expansion assembly contact, the other end of touch multitouch penetrate in the dead slot with cam extrusion contact, in the core plate inserts the cooperation inslot, the cam lasts twists reverse extrusion touch multitouch, expansion assembly receives the extrusion of touch multitouch and takes place the deformation inflation, increases the edge and the cooperation groove contact seal intensity of core plate.
Preferably, inflation assembly includes the air cavity, and the air cavity is seted up at the inside border position of core, and the annular has been seted up at the core and the laminating position of cooperation groove, and the annular link up with the air cavity, and the annular internal seal has the rubber strip, and the inside one side seal that is close to the feeler block of air cavity has the gasbag, and the feeler block slides and inserts the intracavity of air and contacts with the gasbag, and rubber strip and gasbag form airtight space in the air cavity, and when the feeler block lasted the extrusion gasbag, make the rubber strip position receive the atmospheric pressure effect to outwards expand and warp.
Preferably, the touch multitouch is close to the one end of gasbag and is fixed with rectangular, rectangular and the sliding adaptation of air cavity, rectangular and gasbag contact, through rectangular and gasbag contact, makes the gasbag be close to one side of touch multitouch and remove the deformation comprehensively, forms stable pressure to the rubber strip.
Preferably, the opening has been seted up to one side of core, the opening internal fixation has the shell fragment, the shell fragment end fixing has the ball, the surface of feeler block set up with the ball groove of ball adaptation, the hole of stepping down has been seted up on the surface of plate body, when the core inserts the cooperation inslot, the hole of stepping down aligns with the opening, the valve plate does not carry out under the state of sealing, the hole of stepping down misplaces with the opening dislocation, receive the extrusion of activity inslot wall to make the post stabilize the card at the ball inslot, make feeler block and core relatively fixed, when the valve plate carries out the sealed action, the cam lasts to extrude the feeler block and makes the core insert the cooperation inslot, the core slides in the activity inslot this moment, when the core is complete to insert the cooperation inslot, the hole of stepping down aligns with the opening, it can make the shell fragment warp to last this moment, the cooperation that the ball breaks away from and gets into in the hole of stepping down with the ball groove, and the feeler block independent movement extrusion gasbag, carry out inflation sealing on next step.
Preferably, actuating mechanism includes the packaging shell, and the packaging shell is fixed outside the valve casing, and the tip of jack-post penetrates the packaging shell internal fixation and is equipped with the worm wheel, and the packaging shell internal rotation has the worm with worm wheel complex, and the end connection of worm has the motor, rotates through motor drive worm, makes the worm wheel drive jack-post rotate, realizes the rotation drive to the valve plate.
Compared with the related art, the double-seal flange type electric butterfly valve provided by the invention has the following beneficial effects:
1. according to the invention, the core plates are arranged on two sides of the plate body in a sliding manner, a first layer of seal is formed when the plate body is blocked by the blocking wall, the core plates are extruded and expanded by continuously rotating the shaft column, so that the core plates are contacted with the inner wall of the valve shell to form a second layer of seal, and the double seal greatly improves the closing seal effect of the valve;
2. according to the invention, the matching groove matched with the core plate is arranged on the inner wall of the valve shell, the expandable rubber strip is arranged on the edge of the core plate, and after the second layer of sealing is finished, the contact block is continuously extruded to enable the rubber strip to expand and cling to the matching groove, so that the sealing strength of the second layer is further improved;
3. according to the invention, the contact block is limited by the ball, and the positions of the matching abdicating holes and the through holes are staggered, so that the rubber strips are extruded to expand after the core plate forms the second layer of seal, and the core plate is effectively prevented from being inserted into the matching grooves due to the influence of the premature expansion of the rubber strips.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a valve plate mounting structure of the present invention;
FIG. 3 is a schematic view of the inner wall structure of the valve housing of the present invention;
FIG. 4 is a schematic view of a connection structure of the stud and the plate body according to the present invention;
FIG. 5 is a schematic view of the expansion assembly of the present invention;
FIG. 6 is a schematic diagram of a spacing structure of the contact block and the core plate according to the present invention;
fig. 7 is a schematic structural diagram of the driving mechanism of the present invention.
Reference numbers in the figures: 1. a valve housing; 2. packaging the shell; 3. a plate body; 4. a column shaft; 5. a retaining wall; 6. a movable groove; 7. a core board; 8. a mating groove; 9. a contact block; 10. a cam; 11. an empty groove; 12. a hole of abdication; 13. a rubber strip; 14. an air cavity; 15. an air bag; 16. a ball groove; 17. a spring plate; 18. a port; 19. a ring groove; 20. an electric motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Example one
As shown in fig. 1 to 4, in a double sealing flange type electric butterfly valve, a flange pipe is connected to a port portion of a valve housing 1, a valve plate is rotated in the valve housing 1, the top and bottom of the valve plate are in plane contact with the inner wall of the valve housing 1, the valve plate includes a plate body 3, two baffle walls 5 are fixed on the inner wall of the valve casing 1 in a central symmetry way and used for blocking the edge of the baffle body 3, the two sides of the plate body 3 are symmetrically provided with movable grooves 6, the core plate 7 is arranged in the movable grooves 6 in a sliding way, the shaft post 4 is rotated from the top of the valve shell 1 to penetrate into the plate body 3, the shaft post 4 is elastically connected with the plate body 3 by using a torsion spring, a hollow groove 11 is formed in the center of the plate body 3, a cam 10 is arranged in the hollow groove 11 and fixed with the shaft column 4, the inner side of the core plate 7 penetrates into the hollow groove 11 to be in contact with the cam 10, and the driving mechanism is arranged outside the valve shell 1 and connected with the shaft column 4;
the actuating mechanism drives the shaft column 4 to rotate, the valve plate is driven to rotate to the position blocked by the blocking wall 5 under the action of the torsion spring, the sealing to the valve shell 1 is formed, the shaft column 4 continuously overcomes the elastic force of the torsion spring to rotate, the cam 10 rotates relative to the valve plate to extrude the core plate 7 to the side edge, the core plate 7 is in close contact with the inner wall of the valve shell 1, and double sealing is formed.
As shown in fig. 2-3, matching grooves 8 are symmetrically formed in the inner wall of the valve housing 1, the edge of the core plate 7 is matched with the matching grooves 8, and the edge of the core plate 7 is inserted into the matching grooves 8 to form a large sealing contact surface, so that the sealing strength is improved.
As shown in fig. 4-5, an expansion assembly is arranged at the edge of the core plate 7, the expansion assembly comprises an air cavity 14 and an air cavity 14, the air cavity 14 is arranged at the inner edge of the core plate 7, annular grooves 19 are symmetrically formed at the contact part of the core plate 7 and the matching groove 8, the annular grooves 19 are communicated with the air cavity 14, rubber strips 13 are hermetically arranged in the annular grooves 19, air bags 15 are hermetically sealed in the air cavity 14, the rubber strips 13 and the air bags 15 form a sealed air storage space in the air cavity 14, a contact block 9 is slidably inserted into the air cavity 14 from the other side of the core plate 7, a long strip is fixed at the contact end of the contact block 9 and the air bags 15, and the other end of the contact block 9 is in an arc-shaped surface and penetrates into the hollow groove 11 to be contacted with the cam 10;
when the core plate 7 is inserted into the matching groove 8, the cam 10 continuously twists and extrudes the contact block 9, the contact block 9 and the strip continuously extrude the air bag 15, so that the air pressure in the air storage space is increased, the rubber strip 13 is outwards expanded and deformed under the action of the air pressure, the rubber strip 13 is contacted with the inner wall of the matching groove 8, and the sealing effect is further improved.
As shown in fig. 6, a through hole 18 is formed in one side of the core plate 7, an elastic sheet 17 is fixed in the through hole 18, a ball is fixed at the end of the elastic sheet 17, a ball groove 16 matched with the ball is formed in the surface of the contact block 9, an abdicating hole 12 is formed in the surface of the plate body 3, and when the core plate 7 is inserted into the matching groove 8, the abdicating hole 12 is aligned with the through hole 18;
under the valve plate does not carry out the sealed state, hole 12 and opening 18 misplace of stepping down, receive the extrusion of 6 inner walls of movable groove to make the ball post stabilize the card in ball groove 16, make feeler 9 and core 7 relatively fixed, when the valve plate carries out sealed action, cam 10 lasts and extrudes feeler 9 and makes core 7 insert in the cooperation groove 8, core 7 slides in movable groove 6 this moment, when core 7 is complete to be inserted in the cooperation groove 8, hole 12 and opening 18 of stepping down align, last extrusion feeler 9 this moment can make shell fragment 17 warp, the ball post breaks away from and gets into in the hole 12 of stepping down with the cooperation of ball groove 16, and feeler 9 independently removes extrusion gasbag 15, carry out expansion seal on next step.
As shown in fig. 7, the driving mechanism includes a packaging case 2, the packaging case 2 is fixed on the outer wall of the valve housing 1, the end of the shaft post 4 penetrates into the packaging case 2 to be fixedly connected with a worm wheel, the worm is meshed with the worm wheel and rotates with the packaging case 2, the motor 20 is fixed on the outer wall of the packaging case 2, the end of the worm penetrates into the packaging case 2 to be fixed with the shaft end of the motor 20, the motor 20 drives the worm to rotate, the worm wheel drives the shaft post 4 to rotate, and the valve plate is driven to rotate.

Claims (9)

1. The utility model provides a double containment flange formula electric butterfly valve, includes valve casing (1), valve casing (1) inside rotation has the valve plate rather than the cross-section adaptation, the axis position of valve plate has axle post (4) through torsion spring elastic rotation, valve casing (1) inner wall is fixed with two and keeps off wall (5), it is central symmetric distribution to keep off wall (5), a serial communication port, the valve plate includes plate body (3), the both sides slip of plate body (3) are pegged graft and are had core (7), the fixed surface of axle post (4) has cam (10), cam (10) extrusion core (7) remove with valve casing (1) inner wall contact, the outer end of axle post (4) is connected with actuating mechanism.
2. The dual-seal flange type electric butterfly valve according to claim 1, wherein the plate body (3) is provided with a hollow groove (11) at a central position, the shaft post (4) rotates to pass through the hollow groove (11), the cam (10) is positioned in the hollow groove (11), the plate body (3) is symmetrically provided with movable grooves (6) communicated with the hollow groove (11) at side edges thereof, the core plate (7) slides in the movable grooves (6), and one side of the core plate (7) close to the hollow groove (11) is in pressing contact with the cam (10).
3. The dual seal flange electric butterfly valve according to claim 2, wherein the core plate (7), the plate body (3) and the inner wall of the valve housing (1) are in plane fit at the top and bottom.
4. The dual-seal flange type electric butterfly valve according to claim 2, wherein the valve housing (1) is symmetrically provided with fitting grooves (8) inside, and the edge of the core plate (7) is fitted with the fitting grooves (8).
5. The dual-seal flange type electric butterfly valve according to claim 4, wherein a contact block (9) is inserted into one side of the core plate (7) close to the hollow groove (11) in a sliding manner, an expansion component is arranged on the edge of the core plate (7), one end of the contact block (9) is in contact with the expansion component, and the other end of the contact block (9) penetrates into the hollow cavity to be in pressing contact with the cam (10).
6. The dual-seal flange type electric butterfly valve according to claim 5, wherein the expansion component comprises an air cavity (14), the air cavity (14) is arranged at the inner edge of the core plate (7), an annular groove (19) is arranged at the joint part of the core plate (7) and the matching groove (8), the annular groove (19) is communicated with the air cavity (14), a rubber strip (13) is sealed in the annular groove (19), an air bag (15) is sealed at one side of the inner part of the air cavity (14) close to the contact block (9), and the contact block (9) is slidably inserted into the air cavity (14) and is contacted with the air bag (15).
7. The dual seal flange electric butterfly valve according to claim 6, wherein the end of the contact block (9) close to the bladder (15) is fixed with a strip which is slidably fitted with the air chamber (14) and is in contact with the bladder (15).
8. The dual-seal flange type electric butterfly valve according to claim 7, wherein a through opening (18) is formed in one side of the core plate (7), an elastic sheet (17) is fixed in the through opening (18), a ball is fixed at the end of the elastic sheet (17), a ball groove (16) matched with the ball is formed in the surface of the contact block (9), an abdicating hole (12) is formed in the surface of the plate body (3), and when the core plate (7) is inserted into the matching groove (8), the abdicating hole (12) is aligned with the through opening (18).
9. The dual-seal flange type electric butterfly valve according to claim 1, wherein the driving mechanism comprises a packaging housing (2), the packaging housing (2) is fixed outside the valve housing (1), the end of the shaft post (4) penetrates into the packaging housing (2) to be fixed with a worm wheel, a worm matched with the worm wheel rotates in the packaging housing (2), and the end of the worm is connected with a motor (20).
CN202210074111.1A 2022-01-21 2022-01-21 Double-sealing flange type electric butterfly valve Active CN114427603B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210074111.1A CN114427603B (en) 2022-01-21 2022-01-21 Double-sealing flange type electric butterfly valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210074111.1A CN114427603B (en) 2022-01-21 2022-01-21 Double-sealing flange type electric butterfly valve

Publications (2)

Publication Number Publication Date
CN114427603A true CN114427603A (en) 2022-05-03
CN114427603B CN114427603B (en) 2024-02-06

Family

ID=81312574

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210074111.1A Active CN114427603B (en) 2022-01-21 2022-01-21 Double-sealing flange type electric butterfly valve

Country Status (1)

Country Link
CN (1) CN114427603B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114962665A (en) * 2022-07-31 2022-08-30 常州兰控阀门控制有限公司 Waterproof type valve electric actuator

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202132U (en) * 1985-06-04 1986-05-14 戴永生 Double butterfly liquid seal valve
DE19624969C1 (en) * 1996-04-13 1997-09-04 Peter Dipl Ing Mette Double seated trap valve in pipe
DE10031450A1 (en) * 1999-11-02 2001-06-07 Peter Mette Anti-leak, double-seat flap valve for pipelines for corrosive fluids in food industry has disk-shaped support mounted between flaps which can move from sealing position against valve housing to second sealing position against support
CN200943715Y (en) * 2006-08-10 2007-09-05 雷志华 High pressure regulation disc valve dedicated for CO2 vaporizing extract process for urea
CN201202822Y (en) * 2008-05-12 2009-03-04 杨元才 Gas butterfly valve
CN210178949U (en) * 2019-06-28 2020-03-24 郑州金诚信筛网设备有限公司 Butterfly valve with improved structure
CN112664665A (en) * 2021-01-16 2021-04-16 湖北霍科德阀门有限公司 High temperature resistant type self-cleaning high temperature butterfly valve

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202132U (en) * 1985-06-04 1986-05-14 戴永生 Double butterfly liquid seal valve
DE19624969C1 (en) * 1996-04-13 1997-09-04 Peter Dipl Ing Mette Double seated trap valve in pipe
DE10031450A1 (en) * 1999-11-02 2001-06-07 Peter Mette Anti-leak, double-seat flap valve for pipelines for corrosive fluids in food industry has disk-shaped support mounted between flaps which can move from sealing position against valve housing to second sealing position against support
CN200943715Y (en) * 2006-08-10 2007-09-05 雷志华 High pressure regulation disc valve dedicated for CO2 vaporizing extract process for urea
CN201202822Y (en) * 2008-05-12 2009-03-04 杨元才 Gas butterfly valve
CN210178949U (en) * 2019-06-28 2020-03-24 郑州金诚信筛网设备有限公司 Butterfly valve with improved structure
CN112664665A (en) * 2021-01-16 2021-04-16 湖北霍科德阀门有限公司 High temperature resistant type self-cleaning high temperature butterfly valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114962665A (en) * 2022-07-31 2022-08-30 常州兰控阀门控制有限公司 Waterproof type valve electric actuator
CN114962665B (en) * 2022-07-31 2022-12-09 常州兰控阀门控制有限公司 Waterproof type valve electric actuator

Also Published As

Publication number Publication date
CN114427603B (en) 2024-02-06

Similar Documents

Publication Publication Date Title
CN114427603A (en) Double-sealing flange type electric butterfly valve
CN201687686U (en) Automatic inflating pump
CN112216892A (en) Emergent prosthetic devices with lithium cell charging bulge detects
CN113634291A (en) High and low temperature resistance detection test box for product metal box body and detection method
CN203161593U (en) Automatic shutdown control device and air pump using same
CN215784616U (en) Vacuum sealing opening and closing mechanism
CN115683821A (en) Plugging device and method for pipeline compression resistance detection
CN201963573U (en) Rotating and switching type air pump
CN109854754A (en) A kind of guide type valve
CN220350522U (en) Quick-opening sealing structure of vacuum container
CN109139939A (en) A kind of valve seat self-regulated section structure of flat gate valve
CN215293636U (en) Gas control valve
CN201636433U (en) Nuclear electric rotating-drum vacuum valve
CN217482056U (en) Pressure control valve structure and inflatable product structure
CN108869740A (en) A kind of gas-flow closure door suitable for pressure vessel
CN2550591Y (en) Switch type multi-path valve for inflation object
CN201071372Y (en) Weight hammer type exhaust system of barrate for tanning leather and dyeing process
CN220622813U (en) Ball valve with double seal valve seat
CN220396490U (en) Butt clamp butterfly valve
CN221196289U (en) AW pneumatic actuator
CN108916403A (en) A kind of heavy caliber cap of high-vacuum baffle valve mechanism for capableing of two way seal
CN208951319U (en) A kind of valve seat self-regulated section structure of flat gate valve
CN208670035U (en) A kind of gas-flow closure door suitable for pressure vessel
CN221257065U (en) Combined sealing type air valve
CN221145355U (en) Vacuum valve mechanism of vacuum production line

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20240111

Address after: No. 169 Hangkong Road, Tianjin Pilot Free Trade Zone (Airport Economic Zone), 300300

Applicant after: Tianjin Zhongtian Nuclear Technology Industry Co.,Ltd.

Address before: 230000 room 1134, building B, jinzuo, Tuoji City Plaza, No. 687, Changjiang West Road, high tech Zone, Hefei, Anhui Province

Applicant before: Hefei xuyao Control Equipment Co.,Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant