CN113108076A - Gas flow valve structure and using method thereof - Google Patents
Gas flow valve structure and using method thereof Download PDFInfo
- Publication number
- CN113108076A CN113108076A CN202110313725.6A CN202110313725A CN113108076A CN 113108076 A CN113108076 A CN 113108076A CN 202110313725 A CN202110313725 A CN 202110313725A CN 113108076 A CN113108076 A CN 113108076A
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- valve body
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 7
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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Classifications
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
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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
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a gas flow valve structure and a using method thereof, and the gas flow valve structure comprises a valve body, a valve core, a bevel gear transmission assembly and a flange plate, wherein a control box is installed at the top of the valve body, the bottom of the control box is connected with an upper valve rod, the upper valve rod penetrates through the valve body and is fixedly provided with the valve core, a cam is sleeved on the upper valve rod, an annular sealing air bag is bonded on the inner wall of the valve body, a filter screen is installed at the bottom of the valve body in a penetrating manner, a positioning rod is positioned in a positioning groove, a guide plate is fixed on the inner wall of the valve body, an adjusting groove is formed in the end part of the valve body, an adjusting ring is sleeved on the outer side of the valve. The gas flow valve structure and the use method thereof filter gas during circulation, facilitate the disassembly and cleaning of the filter screen during sealing, and simultaneously can adjust the lengths of the flange plate and the valve body, thereby being suitable for installation under different conditions.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a gas flow valve structure and a using method thereof.
Background
The valve is the control part in the fluid conveying system, is used for opening and close the pipeline, controls the pipeline annex of flow direction etc. different valves, can control different fluids of transport, and the majority is liquid, gas and little fluid, when carrying out transport control to gas, V type ball valve becomes common gas flow valve because its leakproofness is good, simple structure, the speed of opening and close, however current gas flow valve has following problem when using:
because gas flow valve exists and manages in the middle of, need be connected the both ends management through the flange, current gas flow valve, its length of inconvenient adjustment leads to when installing, needs the accurate length that calculates the pipeline and cut, in some emergency places, uses comparatively inconveniently, and to gaseous transport simultaneously, there is certain impurity in the gas, current gas flow valve, and is inconvenient to gaseous continuation filtration, influences gaseous transmission quality.
Aiming at the problems, innovative design is urgently needed on the basis of the original gas flow valve.
Disclosure of Invention
The invention aims to provide a gas flow valve structure and a using method thereof, and aims to solve the problems that the existing gas flow valve in the background technology is inconvenient to adjust the length and is inconvenient to continuously filter gas.
In order to achieve the purpose, the invention provides the following technical scheme: a gas flow valve structure comprises a valve body, a valve core, a bevel gear transmission assembly and a flange plate, wherein a control box is installed at the top of the valve body, an upper valve rod is connected to the bottom of the control box, the upper valve rod penetrates through the valve body and is fixedly provided with the valve core, a lower valve rod is fixed to the bottom of the valve core, the lower valve rod is connected to the inner side of the bottom of the valve body in a shaft mode, a cam is sleeved on the upper valve rod, a contact air bag is arranged on one side of the cam and is installed in the valve body in an embedded mode, an annular sealing air bag is bonded on the inner wall of the valve body and is located on the outer side of the valve core, a filter screen is installed at the bottom of the valve body in a penetrating mode, an installation plate is fixed to the bottom of the filter screen, a positioning rod is welded to the top of the installation, and the baffle is located between case and the filter screen, the adjustment tank has been seted up to the tip of valve body, and has placed the ring flange in the adjustment tank, the outside cover of valve body is equipped with the adjustable ring, and the inner wall upper shaft coupling of adjustable ring has the pull rod to the one end of pull rod runs through the valve body hub connection and is connected with the dead lever, the one end of dead lever is located the fixed slot, and the fixed slot is seted up in the outside of ring flange, be fixed with the guide arm on the inner wall of adjustable ring, and the guide arm is located the guide slot to the guide slot is seted up in the outside of valve body, transversely.
Preferably, the contact airbag and the annular sealing airbag are communicated with each other, and the elastic force of the material of the contact airbag is smaller than that of the material of the annular sealing airbag.
Preferably, the locating lever is provided with two about the central axis symmetry of mounting panel, and mutual block between locating lever and the constant head tank to the mounting panel is convex structural design.
Preferably, the embedded axle of awl tooth drive assembly is connected in the inside of valve body bottom, and awl tooth drive assembly is connected with lower valve rod through the belt to awl tooth drive assembly's one end is connected with the screw rod, screw rod hub connection is in flexible inslot, and flexible groove is seted up on the inner wall of constant head tank, the threaded sleeve is equipped with the telescopic link on the screw rod, and the one end of telescopic link is located the locking inslot to the locking groove is seted up on the inner wall of constant head tank.
Preferably, the telescopic rod is attached to the telescopic groove, the end part of the telescopic rod is clamped with the locking groove, and the telescopic rod is perpendicular to the positioning rod.
Preferably, the side of the guide plate is designed into an arc-shaped inclined structure, and two guide plates are symmetrically arranged around the central axis of the filter screen.
Preferably, mutual block between dead lever and the fixed slot, and dead lever have four about the central axis isogonism distribution of adjustable ring to the fixed slot is equidistant on the ring flange.
Preferably, the guide rod forms an elastic sliding structure through the spring and the guide groove, the guide rods are distributed on the adjusting ring at equal angles, and the adjusting ring is attached to the valve body to rotate.
The invention provides another technical scheme for providing a using method of a gas flow valve structure, which comprises the following steps:
s1: the upper valve rod drives the valve core to rotate by driving the control box to rotate, the valve body is sealed by the valve core, the cam is driven by the upper valve rod to rotate, the contact air bag is compressed by the cam, so that gas in the contact air bag enters the annular sealing air bag, and the sealing performance is improved by expanding the annular sealing air bag and contacting the valve core;
s2: when the valve core rotates, the lower valve rod is driven to rotate, the lower valve rod drives the bevel gear transmission assembly to rotate through the belt, the bevel gear transmission assembly drives the screw rod to rotate in the telescopic groove, the telescopic rod is driven to slide through the screw rod, the telescopic rod leaves the locking groove, the position of the positioning rod is released, then the mounting plate and the filter screen are taken out downwards, the positioning rod is separated from the positioning groove, the filter screen is cleaned, and dust blockage when the filter screen filters gas for a long time is avoided;
s3: when the length between the flange plate and the valve body needs to be adjusted, the adjusting ring is rotated anticlockwise, the adjusting ring drives the fixing rod to move through the pull rod of the arc-shaped structure, so that the fixing rod is separated from the fixing groove, the position of the flange plate is released at the moment, the flange plate slides in the adjusting groove, and the position of the flange plate is adjusted;
s4: then loosening the adjusting ring, under the action of the spring, rotating the guide rod in the guide groove and returning to the original position, so that the adjusting ring returns to the original position, namely, the adjusting ring drives the fixed rod to return to the original position through the pull rod, so that the fixed rod is clamped into the corresponding fixed groove, the position of the flange plate is fixed, and the length adjustment between the flange plate and the valve body is completed.
Compared with the prior art, the invention has the beneficial effects that: the gas flow valve structure and method of use;
1. through the belt arranged on the lower valve rod, the belt is connected with the bevel gear transmission assembly, when the rotary valve core performs sealing operation, the bevel gear transmission assembly is driven to drive the screw rod to rotate, so that the telescopic rod slides in the telescopic groove and is separated from the locking groove, the position of the positioning rod is released at the moment, the mounting plate and the filter screen are conveniently taken out for cleaning, the valve body is in a sealing state at the moment, the disassembly of the filter screen is not influenced, otherwise, when the rotary valve core performs gas circulation, the telescopic rod is stressed and clamped into the locking groove, the positioning rod is fixed, the filter screen is kept fixed, and gas is conveniently filtered through the filter screen;
2. through the ring flange and the adjustment tank that set up slide, rotate the adjustable ring, make its activity that drives the dead lever through the pull rod, the dead lever breaks away from with the fixed slot, the position of ring flange obtains the release this moment, can slide it, length between adjustment and the valve body, the guide arm passes through the elastic sliding of spring in the guide slot simultaneously, when loosening the adjustable ring, the guide arm drives the adjustable ring and returns the normal position, make in the dead lever activity and card go into the fixed slot that corresponds, fix the position of ring flange, accomplish the adjustment of length.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 at B according to the present invention;
FIG. 3 is a schematic side sectional view of a flange plate according to the present invention;
FIG. 4 is a schematic side sectional view of a guide rod according to the present invention;
FIG. 5 is a schematic top view of the guide plate of the present invention;
FIG. 6 is a schematic side view of a filter screen according to the present invention;
FIG. 7 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1. a valve body; 2. a control box; 3. an upper valve stem; 4. a valve core; 5. a lower valve stem; 6. a cam; 7. contacting the air bag; 8. an annular sealing air bag; 9. filtering with a screen; 10. mounting a plate; 11. positioning a rod; 12. positioning a groove; 13. a bevel gear transmission assembly; 14. a belt; 15. a screw; 16. a telescopic groove; 17. a telescopic rod; 18. a locking groove; 19. a guide plate; 20. an adjustment groove; 21. a flange plate; 22. an adjusting ring; 23. a pull rod; 24. fixing the rod; 25. fixing grooves; 26. a guide bar; 27. a guide groove; 28. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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.
Referring to fig. 1-7, the present invention provides a technical solution: a gas flow valve structure comprises a valve body 1, a control box 2, an upper valve rod 3, a valve core 4, a lower valve rod 5, a cam 6, a contact air bag 7, an annular sealing air bag 8, a filter screen 9, a mounting plate 10, a positioning rod 11, a positioning groove 12, a bevel gear transmission assembly 13, a belt 14, a screw rod 15, a telescopic groove 16, a telescopic rod 17, a locking groove 18, a guide plate 19, an adjusting groove 20, a flange plate 21, an adjusting ring 22, a pull rod 23, a fixing rod 24, a fixing groove 25, a guide rod 26, a guide groove 27 and a spring 28, wherein the control box 2 is installed at the top of the valve body 1, the upper valve rod 3 is connected to the bottom of the control box 2, the valve core 4 is fixed in the upper valve rod 3 through the valve body 1, the lower valve rod 5 is fixed to the bottom of the valve core 4, the lower valve rod 5 is connected to the inner side of, the contact air bag 7 is embedded in the valve body 1, an annular sealing air bag 8 is bonded on the inner wall of the valve body 1, the annular sealing air bag 8 is positioned on the outer side of the valve core 4, a filter screen 9 is installed at the bottom of the valve body 1 in a penetrating manner, a mounting plate 10 is fixed at the bottom of the filter screen 9, a positioning rod 11 is welded at the top of the mounting plate 10, the positioning rod 11 is positioned in a positioning groove 12, the positioning groove 12 is arranged on the lower end face of the valve body 1, a guide plate 19 is fixed on the inner wall of the valve body 1, the guide plate 19 is positioned between the valve core 4 and the filter screen 9, an adjusting groove 20 is formed in the end part of the valve body 1, a flange 21 is arranged in the adjusting groove 20, an adjusting ring 22 is sleeved on the outer side of the valve body 1, a pull rod 23 is axially connected to the inner wall of the adjusting ring 22, one, a guide rod 26 is fixed on the inner wall of the adjusting ring 22, the guide rod 26 is positioned in a guide groove 27, the guide groove 27 is opened on the outer side of the valve body 1, and a spring 28 is transversely fixed between the guide rod 26 and the guide groove 27.
The contact air bag 7 and the annular seal air bag 8 are communicated with each other, the elastic force of the material of the contact air bag 7 is smaller than that of the material of the annular seal air bag 8, when the upper valve rod 3 drives the valve core 4 to rotate for sealing, the upper valve rod 3 drives the cam 6 to rotate and press the contact air bag 7, so that the gas in the contact air bag 7 enters the annular seal air bag 8 and is sealed by matching the valve core 4 through expansion of the annular seal air bag 8, and meanwhile, when the valve core 4 is restored, the gas in the annular seal air bag 8 returns to the contact air bag 7, and the annular seal air bag 8 is prevented from influencing the gas circulation efficiency;
the two positioning rods 11 are symmetrically arranged about the central axis of the mounting plate 10, the positioning rods 11 are clamped with the positioning grooves 12, the mounting plate 10 is in a circular arc-shaped structural design, and the positioning rods 11 are inserted into the positioning grooves 12, so that the filter screen 9 on the mounting plate 10 can enter the valve body 1 to filter gas;
the embedded shaft of the bevel gear transmission component 13 is connected to the inside of the bottom of the valve body 1, the bevel gear transmission component 13 is connected with the lower valve rod 5 through a belt 14, one end of the bevel gear transmission component 13 is connected with a screw rod 15, the screw rod 15 is connected to a telescopic groove 16 in a shaft manner, the telescopic groove 16 is arranged on the inner wall of the positioning groove 12, a telescopic rod 17 is sleeved on the screw rod 15 in a threaded manner, one end of the telescopic rod 17 is positioned in a locking groove 18, the locking groove 18 is arranged on the inner wall of the positioning rod 11, the telescopic rod 17 is attached to the telescopic groove 16, the end part of the telescopic rod 17 is clamped with the locking groove 18, the telescopic rod 17 is perpendicular to the positioning rod 11, when the valve core 4 rotates for sealing, the lower valve rod 5 is driven to rotate through the bevel gear transmission component 13 driven by the belt 14, so that the bevel gear transmission component 13 drives the, the screw rod 15 drives the telescopic rod 17 to slide, so that the telescopic rod 17 leaves the locking groove 18, the position of the positioning rod 11 is released, and the mounting plate 10 and the filter screen 9 are conveniently detached and cleaned;
the side of the guide plate 19 is designed into an arc-shaped inclined structure, two guide plates 19 are symmetrically arranged about the central axis of the filter screen 9, and the gas is guided by the two inclined guide plates 19, so that the filter screen 9 can conveniently filter the gas;
the fixing rods 24 and the fixing grooves 25 are mutually clamped, four fixing rods 24 are distributed on the central axis of the adjusting ring 22 at equal angles, the fixing grooves 25 are distributed on the flange plate 21 at equal intervals, and the fixing rods 24 are clamped into different fixing grooves 25 to fix the flange plate 21 with the adjusted length;
when the adjusting ring 22 is loosened, the guide rod 26 slides in the guide groove 27 under the action of the spring 28 to drive the adjusting ring 22 to return to the original position.
The invention provides another technical scheme for providing a using method of a gas flow valve structure, which comprises the following steps:
the first step is as follows: the upper valve rod 3 drives the valve core 4 to rotate by driving the upper valve rod 3 to rotate through the control box 2, the valve body 1 is sealed through the valve core 4, meanwhile, the upper valve rod 3 drives the cam 6 to rotate, the cam 6 compresses the contact air bag 7, so that gas in the contact air bag 7 enters the annular seal air bag 8, and the annular seal air bag 8 expands and contacts with the valve core 4, and the sealing performance is improved;
the second step is that: when the valve core 4 rotates, the lower valve rod 5 is driven to rotate, the lower valve rod 5 drives the bevel gear transmission assembly 13 to rotate through the belt 14, the bevel gear transmission assembly 13 drives the screw rod 15 to rotate in the telescopic groove 16, the telescopic rod 17 is driven to slide through the screw rod 15, the telescopic rod 17 leaves the locking groove 18, the position of the positioning rod 11 is released, then the mounting plate 10 and the filter screen 9 are taken out downwards, the positioning rod 11 is separated from the positioning groove 12, the filter screen 9 is cleaned, and dust blockage caused by long-time gas filtering is avoided;
the third step: when the length between the flange 21 and the valve body 1 needs to be adjusted, the adjusting ring 22 is rotated anticlockwise, the adjusting ring 22 drives the fixing rod 24 to move through the pull rod 23 with the arc-shaped structure, so that the fixing rod 24 is separated from the fixing groove 25, the position of the flange 21 is released at the moment, the flange 21 slides in the adjusting groove 20, and the position of the flange 21 is adjusted;
the fourth step: then the adjusting ring 22 is released, the guide rod 26 rotates in the guide groove 27 and returns to the original position under the action of the spring 28, so that the adjusting ring 22 returns to the original position, that is, the adjusting ring 22 drives the fixing rod 24 to return to the original position through the pull rod 23, so that the fixing rod 24 is clamped into the corresponding fixing groove 25, the position of the flange 21 is fixed, and the length adjustment between the flange 21 and the valve body 1 is completed.
The working principle is as follows: when the gas flow valve structure and the use method thereof are used, as shown in fig. 1 and fig. 5-7, firstly, the control box 2 drives the upper valve rod 3 to rotate, so that the upper valve rod 3 drives the valve core 4 to rotate, the valve body 1 is sealed through the valve core 4, meanwhile, the upper valve rod 3 drives the cam 6 to rotate, the cam 6 compresses the contact air bag 7, so that the gas in the contact air bag 7 enters the annular seal air bag 8, the annular seal air bag 8 expands and contacts with the valve core 4, the sealing performance is improved, meanwhile, when the valve core 4 is restored to the original position, the gas in the annular seal air bag 8 returns to the contact air bag 7, the annular seal air bag 8 is prevented from influencing the gas circulation efficiency, when the valve rod 5 is driven by the valve core 4 to rotate, the lower valve rod 5 drives the conical tooth transmission component 13 to rotate through the belt 14, so that the conical tooth transmission component 13 drives the screw 15, the screw rod 15 drives the telescopic rod 17 to slide, so that the telescopic rod 17 leaves the locking groove 18, the position of the positioning rod 11 is released, the mounting plate 10 and the filter screen 9 are taken out downwards, the positioning rod 11 is separated from the positioning groove 12, the mounting plate 10 and the filter screen 9 are detached and cleaned, otherwise, when the valve core 4 is opened to circulate gas, the telescopic rod 17 is clamped into the locking groove 18 to lock the positioning rod 11, the filter screen 9 is kept to be stably used, the guide plate 19 guides the gas, and the filter screen 9 filters the gas;
next, as shown in fig. 1-5, when the length between the flange 21 and the valve body 1 needs to be adjusted, the adjusting ring 22 is rotated counterclockwise, the adjusting ring 22 drives the fixing rod 24 to move through the pull rod 23 with the arc structure, so that the fixing rod 24 is separated from the fixing groove 25, at this time, the position of the flange 21 is released, the flange 21 slides in the adjusting groove 20, the position of the flange 21 is adjusted, then the adjusting ring 22 is released, the guide rod 26 slides in the guide groove 27 under the action of the spring 28, the adjusting ring 22 is driven to return to the original position, so that the fixing rod 24 is clamped in the corresponding fixing groove 25, the position of the flange 21 is fixed, and the length adjustment between the flange 21 and the valve.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a gas flow valve structure, includes valve body (1), case (4), awl tooth drive assembly (13) and flange dish (21), its characterized in that: the valve is characterized in that a control box (2) is installed at the top of the valve body (1), an upper valve rod (3) is connected to the bottom of the control box (2), the upper valve rod (3) penetrates through the valve body (1) and is internally fixed with a valve core (4), a lower valve rod (5) is fixed to the bottom of the valve core (4), the lower valve rod (5) is connected to the inner side of the bottom of the valve body (1) in a shaft mode, a cam (6) is sleeved on the upper valve rod (3), a contact air bag (7) is arranged on one side of the cam (6), the contact air bag (7) is installed in the valve body (1) in an embedded mode, an annular sealing air bag (8) is bonded to the inner wall of the valve body (1) and located on the outer side of the valve core (4), a filter screen (9) is installed at the bottom of the valve body (1) in a penetrating mode, a mounting plate (10) is fixed, the positioning rod (11) is located in the positioning groove (12), the positioning groove (12) is arranged on the lower end face of the valve body (1), a guide plate (19) is fixed on the inner wall of the valve body (1), the guide plate (19) is located between the valve core (4) and the filter screen (9), an adjusting groove (20) is formed in the end portion of the valve body (1), a flange plate (21) is placed in the adjusting groove (20), an adjusting ring (22) is sleeved on the outer side of the valve body (1), a pull rod (23) is connected to the inner wall of the adjusting ring (22) in an upper shaft mode, a fixing rod (24) is connected to one end of the pull rod (23) through the valve body (1) in a shaft mode, one end of the fixing rod (24) is located in the fixing groove (25), the fixing groove (25) is arranged on the outer side of the flange plate (21), a guide rod (26) is fixed on the inner wall, the guide groove (27) is arranged on the outer side of the valve body (1), and a spring (28) is transversely fixed between the guide rod (26) and the guide groove (27).
2. A gas flow valve construction according to claim 1 and further characterized by: the contact air bag (7) and the annular sealing air bag (8) are communicated with each other, and the elastic force of the material of the contact air bag (7) is smaller than that of the material of the annular sealing air bag (8).
3. A gas flow valve construction according to claim 1 and further characterized by: the positioning rods (11) are symmetrically arranged about the central axis of the mounting plate (10), the positioning rods (11) are clamped with the positioning grooves (12) mutually, and the mounting plate (10) is designed to be of a circular arc-shaped structure.
4. A gas flow valve construction according to claim 1 and further characterized by: the embedded shaft of awl tooth drive assembly (13) is connected in the inside of valve body (1) bottom, and awl tooth drive assembly (13) is connected with lower valve rod (5) through belt (14) to the one end of awl tooth drive assembly (13) is connected with screw rod (15), screw rod (15) hub connection is in flexible groove (16), and flexible groove (16) are seted up on the inner wall of constant head tank (12), threaded sleeve is equipped with telescopic link (17) on screw rod (15), and the one end of telescopic link (17) is located locking groove (18) to locking groove (18) are seted up on the inner wall of locating lever (11).
5. A gas flow valve construction according to claim 4 and further characterized by: the telescopic rod (17) is attached to the telescopic groove (16), the end part of the telescopic rod (17) is clamped with the locking groove (18), and the telescopic rod (17) is perpendicular to the positioning rod (11).
6. A gas flow valve construction according to claim 1 and further characterized by: the avris of baffle (19) is curved slope structural design, and baffle (19) are provided with two about the central axis symmetry of filter screen (9).
7. A gas flow valve construction according to claim 1 and further characterized by: the fixing rods (24) are clamped with the fixing grooves (25) mutually, four fixing rods (24) are distributed on the central axis of the adjusting ring (22) at equal angles, and the fixing grooves (25) are distributed on the flange plate (21) at equal intervals.
8. A gas flow valve construction according to claim 1 and further characterized by: the guide rod (26) forms an elastic sliding structure with the guide groove (27) through the spring (28), the guide rod (26) is distributed on the adjusting ring (22) at equal angles, and the adjusting ring (22) is attached to the valve body (1) to rotate.
9. A method of using a gas flow valve arrangement according to claim 1, wherein: the method comprises the following steps:
s1: the upper valve rod (3) is driven to rotate through the control box (2), so that the upper valve rod (3) drives the valve core (4) to rotate, the valve body (1) is sealed through the valve core (4), meanwhile, the upper valve rod (3) drives the cam (6) to rotate, the cam (6) compresses the contact air bag (7), gas in the contact air bag (7) enters the annular sealing air bag (8), and the sealing performance is improved through expansion of the annular sealing air bag (8) and contact with the valve core (4);
s2: when the valve core (4) rotates, the lower valve rod (5) is driven to rotate, the lower valve rod (5) drives the bevel gear transmission assembly (13) to rotate through the belt (14), the bevel gear transmission assembly (13) drives the screw rod (15) to rotate in the telescopic groove (16), the screw rod (15) drives the telescopic rod (17) to slide, the telescopic rod (17) leaves the locking groove (18), the position of the positioning rod (11) is released, the mounting plate (10) and the filter screen (9) are taken out downwards, the positioning rod (11) is separated from the positioning groove (12), the filter screen (9) is cleaned, and dust blockage caused by long-time gas filtering is avoided;
s3: when the length between the flange plate (21) and the valve body (1) needs to be adjusted, the adjusting ring (22) is rotated anticlockwise, the adjusting ring (22) drives the fixing rod (24) to move through the pull rod (23) with the arc-shaped structure, so that the fixing rod (24) is separated from the fixing groove (25), the position of the flange plate (21) is released at the moment, the flange plate (21) slides in the adjusting groove (20), and the position of the flange plate (21) is adjusted;
s4: then the adjusting ring (22) is loosened, the guide rod (26) rotates in the guide groove (27) and returns to the original position under the action of the spring (28), so that the adjusting ring (22) returns to the original position, namely the adjusting ring (22) drives the fixing rod (24) to return to the original position through the pull rod (23), so that the fixing rod (24) is clamped in the corresponding fixing groove (25), the position of the flange plate (21) is fixed, and the length adjustment between the flange plate (21) and the valve body (1) is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313725.6A CN113108076A (en) | 2021-03-24 | 2021-03-24 | Gas flow valve structure and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110313725.6A CN113108076A (en) | 2021-03-24 | 2021-03-24 | Gas flow valve structure and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113108076A true CN113108076A (en) | 2021-07-13 |
Family
ID=76710547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110313725.6A Withdrawn CN113108076A (en) | 2021-03-24 | 2021-03-24 | Gas flow valve structure and using method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113108076A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503407A (en) * | 2021-09-10 | 2021-10-15 | 启东市宏南冶金机械有限公司 | Fluid pipe fitting easy to disassemble |
| CN114294439A (en) * | 2022-01-05 | 2022-04-08 | 响水格思琪科技有限公司 | Valve capable of being opened and closed flexibly |
| CN114776910A (en) * | 2022-05-17 | 2022-07-22 | 浙江大阳阀门有限公司 | Large-diameter forged steel check valve for water supply system |
-
2021
- 2021-03-24 CN CN202110313725.6A patent/CN113108076A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503407A (en) * | 2021-09-10 | 2021-10-15 | 启东市宏南冶金机械有限公司 | Fluid pipe fitting easy to disassemble |
| CN113503407B (en) * | 2021-09-10 | 2021-11-12 | 启东市宏南冶金机械有限公司 | Fluid pipe fitting easy to disassemble |
| CN114294439A (en) * | 2022-01-05 | 2022-04-08 | 响水格思琪科技有限公司 | Valve capable of being opened and closed flexibly |
| CN114776910A (en) * | 2022-05-17 | 2022-07-22 | 浙江大阳阀门有限公司 | Large-diameter forged steel check valve for water supply system |
| CN114776910B (en) * | 2022-05-17 | 2023-09-12 | 浙江大阳阀门有限公司 | Heavy-calibre forged steel check valve for water supply system |
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Application publication date: 20210713 |