CN111765277A - Fluorine-lined breather valve with acid and alkali resistance - Google Patents
Fluorine-lined breather valve with acid and alkali resistance Download PDFInfo
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- CN111765277A CN111765277A CN202010581745.7A CN202010581745A CN111765277A CN 111765277 A CN111765277 A CN 111765277A CN 202010581745 A CN202010581745 A CN 202010581745A CN 111765277 A CN111765277 A CN 111765277A
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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
- 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
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0486—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with mechanical actuating means
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses an acid-resistant and alkali-resistant fluorine-lined breather valve, which comprises a valve body and a valve cover fixed with the valve body through bolts, wherein a U-shaped partition plate is fixed in the valve body, a first through opening and a second through opening are formed in the U-shaped partition plate, a sliding column is arranged on the valve cover in a sliding manner, a negative pressure valve disc corresponding to the first through opening is fixed at the bottom end of the sliding column, a valve rod is arranged in the sliding column in a sliding manner, a positive pressure valve disc corresponding to the second through opening is fixed on the valve rod through bolts, a fire-retardant and explosion-proof assembly used for preventing external inflammable and explosive substances from entering a storage tank is arranged on one side of the valve body, fixing assemblies used for connecting the valve body and the storage tank are symmetrically arranged on two sides of the valve rod, a second pressure adjusting member used for adjusting the pressure of the negative pressure valve disc is arranged on the U-shaped partition plate.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a fluorine-lined breather valve with acid resistance and alkali resistance.
Background
The breather valve is a valve which can ensure that the storage tank space is isolated from the atmosphere within a certain pressure range and can be communicated with the atmosphere (breathe) when the pressure exceeds or is lower than the pressure range. The function of the device is to prevent the storage tank from being damaged due to overpressure or vacuum, and simultaneously, the evaporation loss of the stored liquid can be reduced. It is mainly composed of valve seat, valve cover, protecting cover and two groups of opening and closing devices controlled by vacuum and pressure.
Most of the existing breather valves are fixed on the storage tank through bolts, and the storage tank can be taken down after the bolts are loosened by using a spanner for dismounting.
Disclosure of Invention
The invention aims to provide a fluorine-lined breather valve with acid resistance and alkali resistance, which has the advantages of convenient detachment of the breather valve from a storage tank and installation of the breather valve on the storage tank.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a lining fluorine breather valve with acidproof alkali-resistant, includes the valve body and passes through the valve gap of bolt fastening with the valve body, be fixed in the U-shaped baffle in the valve body, opening one and opening two have been seted up on the U-shaped baffle, it is provided with the traveller to slide on the valve gap, the traveller bottom mounting has the negative pressure valve dish that corresponds with opening one, it is provided with the valve rod to slide in the traveller, there is the malleation valve dish that corresponds with opening two through the bolt fastening on the valve rod, valve body one side is provided with and is used for preventing that external flammable explosive from getting into the back-fire explosion-proof component in the basin, valve rod bilateral symmetry is provided with the fixed subassembly of connecting valve body and basin, be provided with the pressure regulating part two that is used for adjusting negative pressure valve dish pressure on the U-shaped baffle, the inside pressure regulating part.
By adopting the technical scheme, the two pairs of corresponding pressures of the pressure regulating piece I and the pressure regulating piece are firstly regulated, the breather valve is placed on a specified storage tank, the valve body and the storage tank are fixed through the fixing device, when the pressure in the storage tank is overhigh, one part of the pressure pushes the positive pressure valve disc to move upwards, the positive pressure valve disc moves upwards to drive the valve rod to move upwards, the other part of the pressure is applied to the negative pressure valve disc, the negative pressure valve disc is pressed on the U-shaped partition plate, the first through hole is blocked to prevent the gas from passing through the first through hole, the gas at the lower part passes through the second through hole to the outside and passes through the flame-retardant and explosion-proof assembly in the process of leading to the outside, when the internal air pressure is overlow, the external gas enters the valve body through the flame-retardant and explosion-proof assembly, the flammable and explosion-proof portion in the external gas is removed by the flame-retardant and explosion, and the negative valve disc is ejected out by the other part of air pressure of the air, and the air passes through the first opening and finally enters the storage tank after the valve disc is ejected out.
Preferably, the fixing component comprises a convex block and a third pressure lever, the valve rod is provided with a connecting hole, the convex block is rotatably arranged in the connecting hole, the third pressure lever is fixed with the convex block, the connecting hole is internally provided with a connecting block in a sliding manner, one side of the connecting block is provided with a restoring piece, one side of the connecting block is provided with a first concave hole, the first concave hole is internally fixed with a first spring, the first concave hole is internally provided with a first inclined block in a sliding manner, one end of the first spring is fixed with the first inclined block, the storage tank is provided with a first clamping hole, the side wall of the first clamping hole is provided with a first through groove, the first through groove is internally provided with a first moving rod in a sliding manner, the valve body is symmetrically fixed with a fixing block, the side wall of the fixing block is provided with a second concave hole, the second concave, a second through groove is formed in the side wall of the second concave hole, and a second moving rod is arranged in the second through groove in a sliding mode.
By adopting the technical scheme, when the breather valve is fixed on the storage tank, the breather valve is placed at the corresponding position of the storage tank, the rotating press rod three drives the lug to rotate, when the press rod three rotates to the inclined block two, the inclined block two moves to the concave hole two under the pressure of the press rod three, the inclined block two moves to drive the spring two to compress, the spring two compresses to generate elastic force, after the press rod three rotates, the inclined block two is not stressed, the inclined block two moves to the outside of the concave hole under the action of the elastic force of the spring two, the inclined block two presses the press rod three, the lug rotates to drive the connecting block to move downwards, the connecting block moves and simultaneously drives the restoring piece to compress, the restoring piece compresses to generate elastic force until one part of the connecting block moves to the hole on the storage tank, at the moment, the inclined block one is positioned in the concave hole one, the spring one is positioned in a compression state, the spring one compresses to generate elastic force, the elastic force of the first spring drives the first inclined block to move into the first clamping hole, the breather valve is fixed with the storage tank at the moment, when the breather valve and the storage tank are separated, the second movable rod drives the second inclined block to move into the second concave hole, the third pressing rod and the convex block are turned back, the connecting block is not stressed at the moment, then the movable rod drives the first inclined block to move into the first concave hole, the connecting block upwards moves out of the hole of the storage tank under the action of the restoring piece at the moment, and the effect of conveniently detaching the breather valve from the storage tank and assembling the breather valve on the storage tank is achieved.
Preferably, the pressure regulating part comprises a first motor and a first threaded rod, the first motor is fixed in the valve body, a vertical plate is fixed in the valve body, a first sliding plate is arranged on the vertical plate in a sliding mode, an output shaft of the first motor is fixed with the first threaded rod, the first threaded rod is in threaded fit with the first sliding plate, a first pressure lever is fixed on the negative pressure valve disc, the first pressure lever penetrates through the first sliding plate, and a fourth spring is sleeved outside the first pressure lever.
Adopt above-mentioned technical scheme, when the predetermined pressure value that will adjust negative pressure valve dish, starter motor I, motor I's output shaft rotates and drives threaded rod one and rotates, threaded rod one rotates and drives slide one and removes along the riser, slide one removes and drives spring four compression, spring four compression has increased the predetermined pressure of negative pressure valve dish, reverse starter motor I, motor I's output shaft rotates and drives threaded rod one antiport, threaded rod one antiport drives slide one upward movement, slide one removes and makes the spring relax, the predetermined pressure of negative pressure valve dish has been reduced this moment, the effect of changing the predetermined pressure of negative pressure valve dish has been played.
Preferably, the second pressure regulating part comprises a second motor and a second threaded rod, the second motor is fixed in the valve body, an output shaft of the second motor penetrates through the U-shaped partition plate and is fixed with the second threaded rod, a second pressure rod is fixed on the positive pressure valve disc, the upper end of the second pressure rod penetrates through the U-shaped partition plate, a second sliding plate is arranged on the second pressure rod in a sliding mode, the second sliding plate is in threaded fit with the second threaded rod, and a fifth spring is sleeved outside the second pressure rod.
Adopt above-mentioned technical scheme, when the predetermined pressure value of malleation valve disc will be adjusted, starter motor two, motor two's output shaft rotates and drives two rotations of threaded rod, two rotations of threaded rod drive two removals of slide, two removals of slide drive five compressions of spring, five compressions of spring have increased the predetermined pressure of malleation valve disc, reverse starter motor two, motor two's output shaft rotates and drives two antiport of threaded rod, two antiport of threaded rod drive two rebound of slide, two removals of slide make five relaxations of spring, the predetermined pressure of malleation valve disc has been reduced this moment, the effect of changing the predetermined pressure of malleation valve disc has been played.
Preferably, the fire-retardant and explosion-proof assembly comprises a fire-retardant plate and a rain-proof cap, an air outlet is formed in one side of the valve body, a T-shaped air outlet pipe is fixed to the air outlet, the fire-retardant plate is fixed to the T-shaped air outlet pipe, and the rain-proof cap is fixed to the T-shaped air outlet pipe through bolts.
By adopting the technical scheme, the fire retardant plate prevents inflammable and explosive substances in the outside air from entering the storage tank, and the rain-proof cap prevents rainwater from entering the valve body from the air outlet.
Preferably, the restoring piece comprises a restoring block and a third spring, a restoring groove is formed in the side wall of the connecting hole, the restoring block is arranged in the restoring groove in a sliding mode, one end of the third spring is fixed in the restoring groove, the other end of the third spring is fixed with the restoring block, and the restoring block is fixed with the connecting block.
By adopting the technical scheme, when the connecting block moves downwards, the connecting block moves to drive the return block to move, the return block moves to drive the spring III to compress, and the spring III compresses to generate elasticity.
Preferably, a control button is fixed to the valve body.
By adopting the technical scheme, the control button plays a role in controlling the first motor and the second motor.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic cross-sectional view for showing a breather valve;
FIG. 3 is a schematic structural diagram for showing a first pressure regulating valve and a second pressure regulating valve;
FIG. 4 is a schematic structural view for showing a fixing assembly;
fig. 5 is a schematic position diagram for showing the first through groove, the first moving rod, the fixed block, the second through groove and the second moving rod.
Reference numerals: 1. a valve body; 2. a valve cover; 3. a U-shaped partition plate; 4. a first through opening; 5. a second port; 6. a traveler; 7. a negative pressure valve disc; 8. a valve stem; 9. a positive pressure valve disc; 10. a fire-retardant and explosion-proof component; 11. a fixing assembly; 12. a second pressure regulating part; 13. a first pressure regulating part; 14. a bump; 15. a third pressure lever; 16. connecting holes; 17. connecting blocks; 18. a recovery member; 19. a first concave hole; 20. a first spring; 21. a first inclined block; 22. a first clamping hole; 23. a first through groove; 24. a first moving rod; 25. a fixed block; 26. a second concave hole; 27. a second spring; 28. a second inclined block; 29. a second through groove; 30. a second moving rod; 31. a first motor; 32. a first threaded rod; 33. a vertical plate; 34. a first sliding plate; 35. a first pressure lever; 36. a fourth spring; 37. a second motor; 38. a second threaded rod; 39. a second pressure lever; 40. a second sliding plate; 41. a fifth spring; 42. a fire barrier plate; 43. rain-proof caps; 44. an air outlet; 45. a T-shaped air outlet pipe; 46. a recovery block; 47. a third spring; 48. a recovery tank; 49. and a control button.
Detailed Description
The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.
Referring to fig. 1 to 5, an acid and alkali resistant fluorine lining breather valve comprises a valve body 1 and a valve cover 2 fixed with the valve body 1 through bolts, the valve body 1 is internally fixed with a U-shaped partition plate 3, the U-shaped partition plate 3 is provided with a first opening 4 and a second opening 5, a sliding column 6 is arranged on the valve cover 2 in a sliding manner, a negative pressure valve disc 7 corresponding to the first opening 4 is fixed at the bottom end of the sliding column 6, a valve rod 8 is arranged in the sliding column 6 in a sliding manner, a positive pressure valve disc 9 corresponding to the second opening 5 is fixed on the valve rod 8 through bolts, a second pressure regulating part 12 for regulating the pressure of the negative pressure valve disc 7 is arranged on the U-shaped partition plate 3, the second pressure regulating part 12 comprises a second motor 37 and a second threaded rod 38, the second motor 37 is fixed in the valve body 1, an output shaft of the second motor 37 penetrates through the U-shaped partition plate 3 and is fixed with the, the control button 49 is pressed to start the motor II 37, an output shaft of the motor II 37 rotates to drive the threaded rod II 38 to rotate, a pressure rod II 39 is fixed on the positive pressure valve disc 9, the upper end of the pressure rod II 39 penetrates through the U-shaped partition plate 3, a sliding plate II 40 is arranged on the pressure rod II 39 in a sliding mode, the sliding plate II 40 is in threaded fit with the threaded rod II 38, a spring V41 is sleeved outside the pressure rod II 39, the threaded rod II 38 rotates to drive the sliding plate II 40 to move, the sliding plate II 40 moves to drive the spring V41 to compress, the spring V41 compresses to increase the preset pressure of the positive pressure valve disc 9, the motor II 37 is started in a reverse mode, the output shaft of the motor II 37 rotates to drive the threaded rod II 38 to rotate in a reverse mode, the threaded rod II 38 rotates in a reverse mode to drive.
As shown in fig. 3, then the pressure of the negative pressure valve disc 7 is adjusted, a first pressure adjusting part 13 for adjusting the pressure of the positive pressure valve disc 9 is arranged inside the valve cover 2, the first pressure adjusting part 13 comprises a first motor 31 and a first threaded rod 32, the first motor 31 is fixed inside the valve body 1, a vertical plate 33 is fixed inside the valve body 1, a first sliding plate 34 is arranged on the vertical plate 33 in a sliding manner, an output shaft of the first motor 31 is fixed with the first threaded rod 32, a control button 49 is pressed to start the first motor 31, the output shaft of the first motor 31 rotates to drive the first threaded rod 32 to rotate, the first threaded rod 32 is in threaded fit with the first sliding plate 34, a first pressure lever 35 is fixed on the negative pressure valve disc 7, the first pressure lever 35 penetrates through the first sliding plate 34, a fourth spring 36 is sleeved outside the first pressure lever 35, the first threaded rod 32 rotates to drive the first sliding plate 34 to move along, when the motor I31 is started reversely, the output shaft of the motor I31 rotates to drive the threaded rod I32 to rotate reversely, the threaded rod I32 rotates reversely to drive the sliding plate I34 to move upwards, the sliding plate I34 moves to enable the spring to be loosened, and the preset pressure of the negative pressure valve disc 7 is reduced.
As shown in fig. 4 and 5, after the pressures of the positive pressure valve disc 9 and the negative pressure valve disc 7 are adjusted, the breather valve is fixed on the storage tank, fixing components 11 for connecting the valve body 1 and the storage tank are symmetrically arranged on two sides of the valve rod 8, each fixing component 11 comprises a bump 14 and a press rod three 15, a connecting hole 16 is formed in the valve rod 8, the bump 14 is rotatably arranged in the connecting hole 16, the press rod three 15 is fixed with the bump 14, the breather valve is placed at a corresponding position of the storage tank, the press rod three 15 is rotated to drive the bump 14 to rotate, fixing blocks 25 are symmetrically fixed on the valve body 1, concave holes two 26 are formed in the side walls of the fixing blocks 25, a spring two 27 is fixed in the concave holes two 26, an inclined block two 28 is slidably arranged in the concave holes two 26, one end of the spring two 27 is fixed with the inclined block two 28, when the press rod three 15 is rotated to the inclined block two, the second inclined block 28 moves to drive the second spring 27 to compress, the second spring 27 compresses to generate elastic force, after the third pressure rod 15 rotates, the second inclined block 28 is not stressed, the second inclined block 28 moves outwards of the second concave hole 26 under the action of the elastic force of the second spring 27, and the second inclined block 28 presses the third pressure rod 15.
As shown in fig. 4 and 5, the bump 14 rotates to drive the connecting block 17 to move downwards, the connecting hole 16 is slidably provided with the connecting block 17, one side of the connecting block 17 is provided with the restoring piece 18, the restoring piece 18 comprises a restoring piece 46 and a spring third 47, a restoring groove 48 is formed in the side wall of the connecting hole 16, the restoring piece 46 is slidably arranged in the restoring groove 48, one end of the spring third 47 is fixed in the restoring groove 48, the other end of the spring third 47 is fixed with the restoring piece 46, the restoring piece 46 is fixed with the connecting block 17, when the connecting block 17 moves downwards, the connecting block 17 moves to drive the restoring piece 46 to move, the restoring piece 46 moves to drive the spring third 47 to compress, the spring third 47 compresses to generate elastic force until a part of the connecting block 17 moves into a hole on the storage tank, one side of the connecting block 17 is provided with a concave hole first 19, a spring first 20 is fixed in, one end of a first spring 20 is fixed with a first inclined block 21, the first inclined block 21 is located in a first concave hole 19 at the moment, the first spring 20 is in a compression state, the first spring 20 is compressed to generate elastic force, a first clamping hole 22 is formed in the storage tank, when the first inclined block 21 moves to the first clamping hole 22, the elastic force of the first spring 20 drives the first inclined block 21 to move into the first clamping hole 22, the breather valve is fixed with the storage tank at the moment, a second through groove 29 is formed in the side wall of a second concave hole 26, and a second moving rod 30 is arranged in the second through groove 29 in a sliding mode.
As shown in fig. 2, a fire-retardant and explosion-proof assembly 10 for preventing external flammable and explosive substances from entering a storage tank is arranged on one side of a valve body 1, the fire-retardant and explosion-proof assembly 10 comprises a fire-retardant plate 42 and a rain-proof cap 43, an air outlet 44 is formed in one side of the valve body 1, a T-shaped air outlet pipe 45 is fixed on the air outlet 44, the fire-retardant plate 42 is fixed in the T-shaped air outlet pipe 45, the rain-proof cap 43 is fixed in the T-shaped air outlet pipe 45 through bolts, when the pressure inside the storage tank is too high, a part of pressure pushes a positive pressure valve disc 9 to move upwards, the positive pressure valve disc 9 moves upwards to drive a valve rod 8 to move upwards, the other part of pressure is applied to a negative pressure valve disc 7, the negative pressure valve disc 7 is pressed on a U-shaped partition plate 3 to block a first through hole 4 to prevent the gas from passing through the first through the, outside gas enters into valve body 1 through back-fire relief plate 42 in, back-fire relief plate 42 clears away the flammable and explosive part in with the external gas, on some atmospheric pressure of gas pressed positive pressure valve disc 9, press positive pressure valve disc 9 on U-shaped baffle 3, another part atmospheric pressure of gas is ejecting with negative pressure valve disc 7, negative pressure valve disc 7 ejecting back, gaseous 4 passes through from the opening, enter into the basin at last, rain-proof cap 43 has played the effect that prevents the rainwater and enter into valve body 1 from gas outlet 44.
As shown in fig. 4 and 5, when the breather valve and the storage tank are to be separated, the second movable rod 30 is moved to drive the second inclined block 28 to move into the second concave hole 26, the third pressure rod 15 and the convex block 14 are rotated back, the connecting block 17 is not stressed at the moment, the first through groove 23 is formed in the side wall of the first clamping hole 22, the first movable rod 24 is arranged in the first through groove 23 in a sliding mode, then the first movable rod 24 is moved to drive the first inclined block 21 to move into the first concave hole 19, the connecting block 17 moves upwards out of the hole of the storage tank under the action of the elastic force of the third spring 47, and at the.
Claims (7)
1. The fluorine-lined breather valve with acid resistance and alkali resistance comprises a valve body (1) and a valve cover (2) fixed with the valve body (1) through bolts, and is characterized in that the valve body (1) is internally fixed on a U-shaped partition plate (3), a first through opening (4) and a second through opening (5) are formed in the U-shaped partition plate (3), a sliding column (6) is arranged on the valve cover (2) in a sliding manner, a negative pressure valve disc (7) corresponding to the first through opening (4) is fixed at the bottom end of the sliding column (6), a valve rod (8) is arranged in the sliding column (6) in a sliding manner, a positive pressure valve disc (9) corresponding to the second through opening (5) is fixed on the valve rod (8) through bolts, a fire-retardant and explosion-proof component (10) for preventing external inflammable and explosive substances from entering a storage tank is arranged on one side of the valve body (1), and fixing components (11) for connecting the valve body (1), and a second pressure regulating part (12) for regulating the pressure of the negative pressure valve disc (7) is arranged on the U-shaped partition plate (3), and a first pressure regulating part (13) for regulating the pressure of the positive pressure valve disc (9) is arranged in the valve cover (2).
2. The fluorine-lined breather valve with acid and alkali resistance according to claim 1, wherein the fixing component (11) comprises a convex block (14) and a third pressing rod (15), the valve rod (8) is provided with a connecting hole (16), the convex block (14) is rotatably arranged in the connecting hole (16), the third pressing rod (15) is fixed with the convex block (14), the connecting hole (16) is slidably provided with a connecting block (17), one side of the connecting block (17) is provided with a restoring piece (18), one side of the connecting block (17) is provided with a first concave hole (19), the first concave hole (19) is internally fixed with a first spring (20), the first concave hole (19) is internally provided with a first inclined block (21), one end of the first spring (20) is fixed with the first inclined block (21), the first storage tank is provided with a first clamping hole (22), the side wall of the first clamping hole (22) is provided with a first through groove (23), lead to groove one (23) and slide in and be provided with carriage release lever one (24), the symmetry is fixed with fixed block (25) on valve body (1), shrinkage pool two (26) have been seted up on fixed block (25) lateral wall, shrinkage pool two (26) internal fixation has spring two (27), it is provided with oblique piece two (28) to slide in shrinkage pool two (26), the one end and the oblique piece two (28) of spring two (27) are fixed, logical groove two (29) have been seted up on shrinkage pool two (26) lateral wall, it is provided with carriage release lever two (30) to slide in leading to groove two (29).
3. The fluorine-lined breather valve with acid and alkali resistance according to claim 2, wherein the pressure regulating member I (13) comprises a motor I (31) and a threaded rod I (32), the motor I (31) is fixed in the valve body (1), a vertical plate (33) is fixed in the valve body (1), a sliding plate I (34) is slidably arranged on the vertical plate (33), an output shaft of the motor I (31) is fixed with the threaded rod I (32), the threaded rod I (32) is in threaded fit with the sliding plate I (34), a first pressure lever (35) is fixed on the negative pressure valve disc (7), the first pressure lever (35) penetrates through the sliding plate I (34), and a spring IV (36) is sleeved outside the pressure lever (15).
4. The fluorine-lined breather valve with acid and alkali resistance according to claim 3, wherein the second pressure regulating member (12) comprises a second motor (37) and a second threaded rod (38), the second motor (37) is fixed in the valve body (1), an output shaft of the second motor (37) penetrates through the U-shaped partition plate (3) and is fixed with the second threaded rod (38), a second pressure lever (39) is fixed on the positive pressure valve disc (9), the upper end of the second pressure lever (39) penetrates through the U-shaped partition plate (3), a second sliding plate (40) is slidably arranged on the pressure lever (15), the second sliding plate (40) is in threaded fit with the second threaded rod (38), and a fifth spring (41) is sleeved outside the second pressure lever (39).
5. The fluorine-lined breather valve with acid and alkali resistance according to claim 4, wherein the fire-retardant and explosion-proof component (10) comprises a fire-retardant plate (42) and a rain-proof cap (43), an air outlet (44) is formed in one side of the valve body (1), a T-shaped air outlet pipe (45) is fixed on the air outlet (44), the fire-retardant plate (42) is fixed in the T-shaped air outlet pipe (45), and the rain-proof cap (43) is fixed in the T-shaped air outlet pipe (45) through bolts.
6. The fluorine-lined breather valve with acid and alkali resistance according to claim 5, wherein the recovery member (18) comprises a recovery block (46) and a spring III (47), a recovery groove (48) is formed in the side wall of the connecting hole (16), the recovery block (46) is slidably arranged in the recovery groove (48), one end of the spring III (47) is fixed in the recovery groove (48), the other end of the spring III (47) is fixed with the recovery block (46), and the recovery block (46) is fixed with the connecting block (17).
7. The fluorine-lined breather valve with acid and alkali resistance of claim 6, characterized in that a control button (49) is fixed on the valve body (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010581745.7A CN111765277B (en) | 2020-06-23 | 2020-06-23 | Fluorine-lined breather valve with acid and alkali resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010581745.7A CN111765277B (en) | 2020-06-23 | 2020-06-23 | Fluorine-lined breather valve with acid and alkali resistance |
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| CN111765277B CN111765277B (en) | 2021-10-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113251312A (en) * | 2021-07-05 | 2021-08-13 | 江苏信泰化工装备有限公司 | Flame-retardant storage tank breather valve |
| CN114321408A (en) * | 2022-01-04 | 2022-04-12 | 南京普瑞泰格安全设备工程有限公司 | Green energy-saving environment-friendly storage tank breather valve and use method thereof |
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|---|---|
| CN111765277B (en) | 2021-10-29 |
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