CN114382896A - Spring direct load type safety valve for low-temperature medium - Google Patents
Spring direct load type safety valve for low-temperature medium Download PDFInfo
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- CN114382896A CN114382896A CN202210047240.1A CN202210047240A CN114382896A CN 114382896 A CN114382896 A CN 114382896A CN 202210047240 A CN202210047240 A CN 202210047240A CN 114382896 A CN114382896 A CN 114382896A
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- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000000670 limiting effect Effects 0.000 claims description 23
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- 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
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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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
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a spring direct-loading safety valve for a low-temperature medium, which belongs to the technical field of safety valves and comprises a first valve body; a first nut; the first nut is fixedly connected to the lower end of the first valve body; the upper end of the first nut is connected with a third flange, and the upper end of the third flange is fixedly connected with a second valve body; thereby make the convenient to detach and the installation more that can be when the relief valve uses through the coupling mechanism that is provided with to make its practicality further promote, thereby it makes its stability further promote to adopt the bolt to fix through fourth flange and fifth flange, thereby it can its sealing function of guarantee more to add between fourth flange and the fifth flange and make it when using.
Description
Technical Field
The invention belongs to the technical field of safety valves, and particularly relates to a spring direct-loading safety valve for a low-temperature medium.
Background
The safety valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline rises to exceed a specified value, the medium is discharged to the outside of the system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation. The safety valve plays a safety protection role in the system. When the system pressure exceeds the specified value, the safety valve is opened to discharge a part of gas/fluid in the system to the outside of the atmosphere/pipeline, so that the system pressure does not exceed the allowable value, and the system is ensured not to have accidents due to overhigh pressure.
In the prior art: although a part of gas/fluid in a system can be discharged to the outside of the atmosphere/pipeline when the pressure of the system exceeds a specified value in the using process of a general spring direct load type safety valve, the safety valve cannot be fixed and disassembled better in the using process and is inconvenient to disassemble in the using process, so that the efficiency of workers in the using process is low.
Disclosure of Invention
The invention aims to provide a spring direct-load type safety valve for a low-temperature medium, which aims to solve the problems that in the use process of the spring direct-load type safety valve in the prior art, although a part of gas/fluid in a system can be discharged to the outside of an atmosphere/pipeline when the system pressure exceeds a specified value, the safety valve cannot be better fixed and disassembled in use, and is inconvenient to disassemble in use, so that the use efficiency of workers is low.
In order to achieve the purpose, the invention provides the following technical scheme:
a spring-loaded direct-load relief valve for cryogenic media, comprising:
a first valve body;
a first nut; the first nut is fixedly connected to the upper end of the first valve body;
the upper end of the first nut is connected with a third flange, and the upper end of the third flange is fixedly connected with a second valve body; and
the connecting mechanism comprises a fourth flange, a fifth flange, a connecting block, a circular column, a third arc-shaped opening, a first positioning block and an elastic assembly, the fourth flange is fixedly connected to the upper end of the second valve body, the fifth flange is connected to the upper end of the fourth flange, the connecting block is fixedly connected to the upper end of the fifth flange, the circular column is fixedly connected to the upper end of the connecting block, the third arc-shaped opening is formed in the circumferential surface of the connecting block, the first positioning block is arranged in the third arc-shaped opening, and the elastic assembly is arranged in the second valve body to achieve the load function of the safety valve.
As a preferred embodiment of the present invention, the elastic assembly includes a valve rod, a limiting member, a spring, a first bottom limiting sleeve and a second top limiting sleeve, the valve rod is disposed in the second valve body, the spring is sleeved on the circumferential surface of the valve rod, the first bottom limiting sleeve is matched with the spring, the second top limiting sleeve is sleeved on the circumferential surface of the valve rod, the second top limiting sleeve is matched with the spring, and the limiting member is disposed on the circumferential surface of the valve rod to fix the elastic assembly
As a preferable aspect of the present invention, the limiting member includes a first arc-shaped opening, a second connecting pipe, a thread groove, a bolt, and a second positioning block, the first arc-shaped opening is opened on a circumferential surface of the valve rod, the second connecting pipe is fixedly connected to a circumferential surface of the first valve body, the thread groove is opened on a side end of the second connecting pipe, the bolt is threadedly connected in the thread groove, and the second positioning block is connected in the first arc-shaped opening.
As a preferable scheme of the present invention, the circumferential surface of the valve rod is connected with a second circular sleeve, the lower end of the second circular sleeve is fixedly connected with a sleeve block, the circumferential surface of the second circular sleeve is provided with a second arc-shaped opening, and the second arc-shaped opening is matched with a second positioning block.
As a preferable scheme of the invention, the upper end of the second arc-shaped opening is connected with a guide sleeve, the guide sleeve is connected with a first bottom limiting sleeve, the circumferential inner wall of the first valve body is provided with a valve seat, and the valve seat is matched with the valve rod.
As a preferable scheme of the present invention, the upper end of the sleeve block is connected with a second gasket, the lower end of the sleeve block is connected with a folding ring, and the folding ring is matched with the circumferential inner wall of the first valve body.
As a preferable scheme of the present invention, a first connecting pipe is fixedly connected to a circumferential surface of the first valve body, a second flange is fixedly connected to a side end of the first connecting pipe, and a first flange is fixedly connected to a lower end of the first valve body.
As a preferred scheme of the present invention, the lower end of the circumferential surface of the second top stop collar is fixedly connected with a first circular washer, the upper end of the second top stop collar is fixedly connected with an adjusting collar, the adjusting collar is matched with the valve rod, the adjusting collar is internally connected with a threaded column in a threaded manner, the upper end of the threaded column is fixedly connected with a second connecting nut, and the second connecting nut is matched with the valve rod.
As a preferred scheme of the present invention, the upper end of the second coupling nut is fixedly connected to a matching set, the matching set is matched with the valve rod, the circumferential surface of the valve rod is sleeved with a first circular sleeve, and the first circular sleeve is connected to the second circular sleeve.
As a preferable scheme of the present invention, the first valve body, the second valve body, the connecting block and the circular column are all made of stainless steel materials, and the circumferential diameters of the fourth flange and the fifth flange are equal.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme: thereby make the convenient to detach and the installation more that can be when the relief valve uses through the coupling mechanism that is provided with to make its practicality further promote, thereby it makes its stability further promote to adopt the bolt to fix through fourth flange and fifth flange, thereby it can its sealing function of guarantee more to add between fourth flange and the fifth flange and make it when using.
2. In the scheme: thereby make through the elastic component who is provided with can work better when the spring after carrying out concertina movement this moment the relief valve to make the result of use of relief valve further promote, the circumference surface of valve rod is located and play fixes limiting displacement with the spring all to first bottom stop collar and second top stop collar cover, thereby makes and can ensure its stability better when the spring is stretching out and drawing back, and the stability of reinforcing safety promotes the result of use of relief valve.
3. In the scheme: thereby make when the relief valve can be more stable when carrying out the during operation through the spacing subassembly that is provided with for the relief valve work back spring stretch out and draw back and make first arc opening carry out spacing wherein with the second locating piece better, make the stability of spring further promote.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a perspective view of a first perspective of the present invention;
FIG. 3 is a perspective view from a second perspective of the present invention;
FIG. 4 is a perspective cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a partial exploded view from a first perspective of the present invention;
FIG. 7 is a second perspective partial exploded view of the present invention;
fig. 8 is a perspective view from a third perspective of the present invention.
In the figure: 1. a first flange; 2. a first valve body; 3. a first nut; 4. a first connecting pipe; 5. a second flange; 6. a second valve body; 7. a third flange; 8. a fourth flange; 9. a fifth flange; 10. connecting blocks; 11. a circular column; 12. a third arcuate opening; 13. a first positioning block; 14. a valve stem; 15. a first circular sleeve; 16. a first arcuate opening; 17. sleeving blocks; 18. a second circular sleeve; 19. a second arcuate opening; 20. a second positioning block; 21. a guide sleeve; 22. a first bottom stop collar; 23. a first circular washer; 24. a second top stop collar; 25. an adjusting sleeve; 26. a spring; 27. a second gasket; 28. a folding ring; 29. a valve seat; 30. a second connecting pipe; 31. a thread groove; 32. a bolt; 33. matching sets; 34. a second coupling nut; 35. a threaded post.
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.
Example 1
Referring to fig. 1-8, the present invention provides the following technical solutions:
a spring-loaded direct-load relief valve for cryogenic media, comprising:
a first valve body 2;
a first nut 3; the first nut 3 is fixedly connected to the upper end of the first valve body 2;
the upper end of the first nut 3 is connected with a third flange 7, and the upper end of the third flange 7 is fixedly connected with a second valve body 6; and
coupling mechanism, coupling mechanism includes fourth flange 8, fifth flange 9, connecting block 10, circular post 11, third arc opening 12, first locating piece 13 and elastic component, 8 fixed connection in the upper end of second valve body 6 of fourth flange, fifth flange 9 is connected in the upper end of fourth flange 8, connecting block 10 fixed connection is in the upper end of fifth flange 9, 11 fixed connection in the upper end of connecting block 10 of circular post, third arc opening 12 is seted up in connecting block 10's circumferential surface, first locating piece 13 sets up in third arc opening 12, elastic component sets up in order to realize relief valve load function in second valve body 6.
In the embodiment of the invention, the first valve body 2 is made of stainless steel material, so that the first valve body 2 can better ensure the stability when the first valve body 2 works, the service life of the safety valve is prolonged, the first nut 3 plays a role of connecting the first valve body 2 and the second flange 5, the third flange 7 plays a role of better facilitating the installation and the disassembly of the safety valve after the first nut 3 is connected with the third flange by screw threads, so that the safety valve can be more convenient to operate and maintain when in use, the practicability and the stability of the safety valve are further improved, the connection mechanism is arranged so that the safety valve can be more convenient to disassemble and assemble when in use, the practicability is further improved, and the fourth flange 8 and the fifth flange 9 are fixed by bolts so that the stability is further improved, a sealing ring can be added between the fourth flange 8 and the fifth flange 9 so as to ensure the sealing function of the safety valve more when the safety valve is used, wherein the fourth flange 8 and the fifth flange 9 are both fixed by the same plurality of groups of bolts so as to be more stable when the safety valve is used, the connecting block 10 plays a role of fixing the circular column 11, the circular column 11 plays a role of sealing the matching sleeve 33, the circular column 11 and the connecting block 10 are both made of stainless steel materials so as to ensure that the safety valve is more safe when the safety valve is used, the third arc-shaped opening 12 plays a role of fixing the first positioning block 13, the first positioning block 13 can be made of stainless steel materials so as to ensure that the safety valve is more stable when the safety valve is fixed, a circular groove is formed at the side end of the first positioning block 13, and a limit bolt can be arranged in the circular groove, so that the first positioning block 13 can better fix it after being inserted into the third arc-shaped opening 12.
Referring to fig. 1-6, the elastic assembly includes a valve rod 14, a limiting member, a spring 26, a first bottom limiting sleeve 22 and a second top limiting sleeve 24, the valve rod 14 is disposed in the second valve body 6, the spring 26 is sleeved on the circumferential surface of the valve rod 14, the first bottom limiting sleeve 22 is matched with the spring 26, the second top limiting sleeve 24 is sleeved on the circumferential surface of the valve rod 14, the second top limiting sleeve 24 is matched with the spring 26, and the limiting member is disposed on the circumferential surface of the valve rod 14 to fix the elastic assembly.
In this embodiment: through the elastic component that is provided with thereby make the relief valve can work better this moment after spring 26 carries out concertina movement, thereby make the result of use of relief valve further promote, wherein to spring 26 after stretching out and drawing back then take the relief valve to work and do not do much to the skilled person in the art in this paper and describe, wherein valve rod 14 adopts the stainless steel to make, thereby make its life further promote when valve rod 14 assembles and is connected with the relief valve, spring 26 plays and can guarantee its result of use better when the relief valve uses, strengthen the result of use of relief valve, first bottom stop collar 22 and second top stop collar 24 all overlap the circumference surface of valve rod 14 and play and fix limiting action with spring 26, thereby make spring 26 can guarantee its stability better when stretching out and drawing back, the stability of reinforcing safety promotes the result of use of relief valve.
Specifically, referring to fig. 1 to 8, the limiting member includes a first arc opening 16, a second connecting pipe 30, a threaded groove 31, a bolt 32 and a second positioning block 20, the first arc opening 16 is disposed on the circumferential surface of the valve rod 14, the second connecting pipe 30 is fixedly connected to the circumferential surface of the first valve body 2, the threaded groove 31 is disposed on the side end of the second connecting pipe 30, the bolt 32 is threadedly connected to the threaded groove 31, and the second positioning block 20 is connected to the first arc opening 16.
In this embodiment: thereby make when the relief valve can be more stable when carrying out the work through the spacing subassembly that is provided with, make relief valve work after the spring 26 stretch out and draw back and make first arc opening 16 carry out spacing wherein with second locating piece 20 better, make the stability of spring 26 further promote, wherein first arc opening 16 and second arc opening 19 all play the realization and carry out the fixed action with second locating piece 20, second locating piece 20 plays the realization and fixes sleeve block 17 thereby ensure that can guarantee its stability better when the relief valve uses, second connecting pipe 30 plays the realization and sets up the effect with thread groove 31, thread groove 31 plays the realization and carries out the fixed action with bolt 32 better.
Specifically referring to fig. 1, a second circular sleeve 18 is connected to the circumferential surface of the valve rod 14, a sleeve block 17 is fixedly connected to the lower end of the second circular sleeve 18, a second arc-shaped opening 19 is formed in the circumferential surface of the second circular sleeve 18, and the second arc-shaped opening 19 is matched with a second positioning block 20.
In this embodiment: the circular cover 18 of second plays the realization and can be better rather than matching with valve rod 14 after the guarantee sleeve block 17 can follow the rotation effect, and sleeve block 17 plays the realization and connects valve rod 14 to make valve rod 14 can accomplish the use of relief valve better, second arc opening 19 plays the realization and carries out the fixed action with second locating piece 20.
Specifically, referring to fig. 1, the upper end of the second arc-shaped opening 19 is connected to a guide sleeve 21, the guide sleeve 21 is connected to a first bottom limiting sleeve 22, a valve seat 29 is disposed on the inner circumferential wall of the first valve body 2, and the valve seat 29 is matched with the valve rod 14.
In this embodiment: the guide sleeve 21 plays a role in connecting the first bottom limiting sleeve 22, and the first bottom limiting sleeve 22 is connected through the guide sleeve 21, so that the safety valve can be more stable in use.
Specifically referring to fig. 2 and 4, the upper end of the sleeve block 17 is connected with a second gasket 27, the lower end of the sleeve block 17 is connected with a folding ring 28, and the folding ring 28 is matched with the circumferential inner wall of the first valve body 2.
In this embodiment: second packing ring 27 plays the realization and can ensure its stability better when following valve rod 14 and rotate when the cover block 17 for safety valve more when using, folding circle 28 plays the realization and further carries out the fixed action with cover block 17, thereby makes cover block 17's stability further promote, matches through folding circle 28 and first valve body 2, thereby makes valve rod 14 rotate in the safety valve better, makes the result of use of safety valve further promote.
Specifically referring to fig. 4 and fig. 1, a first connecting pipe 4 is fixedly connected to a circumferential surface of the first valve body 2, a second flange 5 is fixedly connected to a side end of the first connecting pipe 4, and a first flange 1 is fixedly connected to a lower end of the first valve body 2.
In this embodiment: first connecting pipe 4 plays the realization and carries out the fixed action with second flange 5, and first connecting pipe 4 adopts stainless steel to make, and thereby the inside of first connecting pipe 4 is the cavity structure makes and can carry better when the relief valve is using and make more stable, second flange 5 plays the realization better with relief valve and outside connection effect, first flange 1 plays the realization better with the relief valve effect of connecting, and first flange 1 and second flange 5 all adopt stainless steel to make, thereby make the relief valve can guarantee its life better after using for a long time.
Referring to fig. 1-8, a first circular washer 23 is fixedly connected to the lower end of the circumferential surface of the second top stop collar 24, an adjusting collar 25 is fixedly connected to the upper end of the second top stop collar 24, the adjusting collar 25 is matched with the valve rod 14, a threaded post 35 is connected to the inner thread of the adjusting collar 25, a second connecting nut 34 is fixedly connected to the upper end of the threaded post 35, and the second connecting nut 34 is matched with the valve rod 14.
In this embodiment: first circular packing ring 23 plays the realization and can better carry out further spacingly through first circular packing ring 23 after the circumferential surface of valve rod 14 is located to the spring 26 cover, can ensure better that screw post 35 can better take valve rod 14 to reciprocate the function after rotating when adjusting collar 25 matches with screw post 35, thereby make the relief valve can work better, second coupling nut 34 plays and realizes that the effect of better regulation screw post 35 matches supporting 33 and plays and realize and valve rod 14 and carry out the mating action.
Specifically, referring to fig. 1 to 8, the upper end of the second coupling nut 34 is fixedly connected to a matching sleeve 33, the matching sleeve 33 is matched with the valve rod 14, the circumferential surface of the valve rod 14 is sleeved with a first circular sleeve 15, and the first circular sleeve 15 is connected to the second circular sleeve 18.
In this embodiment: the matching set 33 can better match the valve rod 14, the first circular sleeve 15 can better limit the second arc-shaped opening 19, the second arc-shaped opening 19 is limited by the first circular sleeve 15, so that the valve rod 14 can be better stabilized after being moved, the first circular sleeve 15 and the second circular sleeve 18 can be matched, and the safety valve can be more stable when being used.
Referring to fig. 1 to 4, the first valve body 2, the second valve body 6, the connecting block 10 and the circular column 11 are all made of stainless steel, and the diameters of the circumferences of the fourth flange 8 and the fifth flange 9 are equal.
In this embodiment: all adopt stainless steel material to make through first valve body 2, second valve body 6, connecting block 10 and circular post 11 to make the manufacturing cost of relief valve further reduce, and more stable, match through fourth flange 8 and fifth flange 9, thereby make the stability that the relief valve can be more when using.
The working principle and the using process of the invention are as follows: firstly, the centers of a fourth flange 8 and a fifth flange 9 are aligned, then sealing rings are added, then the flanges are fixed by bolts, at the moment, a third flange 7 and a first nut 3 are in threaded connection, after the threaded fixation is completed, at the moment, a first flange 1 and a second flange 5 are in threaded connection with the outside, at the moment, the safety valve can be used, when the safety valve is used, a threaded column 35 can be driven to be matched with an adjusting sleeve 25 through the rotation of a second connecting nut 34, at the moment, the adjusting sleeve 25 is connected with a valve rod 14, when the valve rod 14 moves, at the moment, a first circular sleeve 15 fixedly connected with the lower end of the valve rod 14 drives a second arc-shaped opening 19 to move, at the moment, a second positioning block 20 limits the second arc-shaped opening 19, so that the valve rod 14 can better guarantee the stability of the valve rod after moving, and then a valve seat 29 in a first valve body 2 is opened and closed through the expansion and contraction of a spring 26, the use is accomplished to the relief valve this moment, thereby makes more convenient to detach and installation of ability when the relief valve uses through the coupling mechanism that is provided with to make its practicality further promote, thereby and adopt the bolt to fix through fourth flange 8 and fifth flange 9 and make its stability further promote, thereby can add between fourth flange 8 and the fifth flange 9 and further have the sealing washer to make its sealing function of guarantee that it can be more when using.
Finally, it should be noted that: 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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a direct load formula relief valve of spring for low temperature medium which characterized in that: the method comprises the following steps:
a first valve body (2);
a first nut (3); the first nut (3) is fixedly connected to the upper end of the first valve body (2);
the upper end of the first nut (3) is connected with a third flange (7), and the upper end of the third flange (7) is fixedly connected with a second valve body (6); and
the connecting mechanism comprises a fourth flange (8), a fifth flange (9), a connecting block (10), a circular column (11), a third arc-shaped opening (12), a first positioning block (13) and an elastic assembly, the fourth flange (8) is fixedly connected to the upper end of the second valve body (6), the fifth flange (9) is connected to the upper end of the fourth flange (8), the connecting block (10) is fixedly connected to the upper end of the fifth flange (9), the circular column (11) is fixedly connected to the upper end of the connecting block (10), the third arc-shaped opening (12) is arranged on the circumferential surface of the connecting block (10), the first positioning block (13) is arranged in the third arc-shaped opening (12), and the elastic assembly is arranged in the second valve body (6) to achieve a safety valve load function.
2. The spring-loaded safety valve for cryogenic media of claim 1, wherein: elastic component includes valve rod (14), stop block, spring (26), first bottom stop collar (22) and second top stop collar (24), valve rod (14) set up in second valve body (6), spring (26) cover is established and is connected in the circumferential surface of valve rod (14), first bottom stop collar (22) and spring (26) phase-match, second top stop collar (24) cover is established and is connected in the circumferential surface of valve rod (14), second top stop collar (24) and spring (26) phase-match, stop block sets up in the circumferential surface of valve rod (14) in order to realize that it fixes elastic component.
3. The spring direct load type safety valve for cryogenic medium according to claim 2, wherein: the limiting component comprises a first arc-shaped opening (16), a second connecting pipe (30), a thread groove (31), a bolt (32) and a second positioning block (20), the circumferential surface of the valve rod (14) is arranged at the first arc-shaped opening (16), the second connecting pipe (30) is fixedly connected to the circumferential surface of the first valve body (2), the thread groove (31) is arranged at the side end of the second connecting pipe (30), the bolt (32) is in threaded connection with the thread groove (31), and the second positioning block (20) is connected to the first arc-shaped opening (16).
4. A spring direct load relief valve for cryogenic media according to claim 3, wherein: the circumference surface of the valve rod (14) is connected with a second circular sleeve (18), the lower end of the second circular sleeve (18) is fixedly connected with a sleeve block (17), a second arc-shaped opening (19) is formed in the circumference surface of the second circular sleeve (18), and the second arc-shaped opening (19) is matched with a second positioning block (20).
5. The spring-loaded safety valve according to claim 4, wherein: the upper end of second arc opening (19) is connected with uide bushing (21), uide bushing (21) and first bottom stop collar (22) are connected, the circumference inner wall of first valve body (2) is provided with disk seat (29), disk seat (29) and valve rod (14) phase-match.
6. The spring-loaded safety valve according to claim 5, wherein: the upper end of the sleeve block (17) is connected with a second gasket (27), the lower end of the sleeve block (17) is connected with a folding ring (28), and the folding ring (28) is matched with the inner wall of the circumference of the first valve body (2).
7. The spring-loaded safety valve according to claim 6, wherein: the circumference surface fixedly connected with first connecting pipe (4) of first valve body (2), the side fixedly connected with second flange (5) of first connecting pipe (4), the first flange (1) of lower extreme fixedly connected with of first valve body (2).
8. The spring-loaded safety valve for cryogenic media of claim 7, wherein: the first circular packing ring (23) of circumference surface lower extreme fixedly connected with of second top stop collar (24), the upper end fixedly connected with adjusting collar (25) of second top stop collar (24), adjusting collar (25) and valve rod (14) phase-match, adjusting collar (25) female connection has screw thread post (35), the upper end fixedly connected with second coupling nut (34) of screw thread post (35), second coupling nut (34) and valve rod (14) phase-match.
9. The spring-loaded safety valve for cryogenic media of claim 8, wherein: the upper end fixedly connected with of second coupling nut (34) matches set (33), match set (33) and valve rod (14) phase-match, the circumference surface cover of valve rod (14) is established and is connected with first circular cover (15), first circular cover (15) are connected with second circular cover (18).
10. The spring-loaded safety valve for cryogenic media of claim 9, wherein: the first valve body (2), the second valve body (6), the connecting block (10) and the circular column (11) are all made of stainless steel materials, and the circumferential diameters of the fourth flange (8) and the fifth flange (9) are equal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022100329687 | 2022-01-12 | ||
| CN202210032968 | 2022-01-12 |
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| CN114382896A true CN114382896A (en) | 2022-04-22 |
| CN114382896B CN114382896B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210047240.1A Active CN114382896B (en) | 2022-01-12 | 2022-01-17 | Spring direct load type safety valve for low-temperature medium |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475880Y (en) * | 2001-05-08 | 2002-02-06 | 李忠芳 | Gas electromagnetic regulating valve |
| CN202176730U (en) * | 2011-08-17 | 2012-03-28 | 永一阀门集团有限公司 | Safety stop valve |
| CN105864440A (en) * | 2016-05-30 | 2016-08-17 | 合肥通用机械研究院 | Flexible sealing lift valve |
| JP2017053405A (en) * | 2015-09-08 | 2017-03-16 | 株式会社キッツエスシーティー | Valve with actuator |
| CN206257286U (en) * | 2016-12-15 | 2017-06-16 | 浙江安盛机械制造有限公司 | A kind of disposable valve body of Contiuum type |
| CN110513517A (en) * | 2019-08-29 | 2019-11-29 | 刘州豪 | A kind of safety valve preventing the spool prooving of valve seat |
| CN211010029U (en) * | 2019-09-19 | 2020-07-14 | 上海梅陇阀门有限公司 | Spring full-open type safety valve |
| CN211010028U (en) * | 2019-09-19 | 2020-07-14 | 上海梅陇阀门有限公司 | Welding type spring relief valve |
| CN211082891U (en) * | 2019-11-29 | 2020-07-24 | 天津汇仁源环保科技有限公司 | Electric regulating valve |
| CN212155855U (en) * | 2020-02-27 | 2020-12-15 | 浙江华星阀业有限公司 | Wear-resistant high-sealing gate valve |
| CN213017931U (en) * | 2020-09-01 | 2021-04-20 | 陈宗健 | Novel safety valve for pressure container |
| CN113669497A (en) * | 2021-07-16 | 2021-11-19 | 江苏海博流体控制有限公司 | Straight stroke transmission device for valve actuator |
-
2022
- 2022-01-17 CN CN202210047240.1A patent/CN114382896B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2475880Y (en) * | 2001-05-08 | 2002-02-06 | 李忠芳 | Gas electromagnetic regulating valve |
| CN202176730U (en) * | 2011-08-17 | 2012-03-28 | 永一阀门集团有限公司 | Safety stop valve |
| JP2017053405A (en) * | 2015-09-08 | 2017-03-16 | 株式会社キッツエスシーティー | Valve with actuator |
| CN105864440A (en) * | 2016-05-30 | 2016-08-17 | 合肥通用机械研究院 | Flexible sealing lift valve |
| CN206257286U (en) * | 2016-12-15 | 2017-06-16 | 浙江安盛机械制造有限公司 | A kind of disposable valve body of Contiuum type |
| CN110513517A (en) * | 2019-08-29 | 2019-11-29 | 刘州豪 | A kind of safety valve preventing the spool prooving of valve seat |
| CN211010029U (en) * | 2019-09-19 | 2020-07-14 | 上海梅陇阀门有限公司 | Spring full-open type safety valve |
| CN211010028U (en) * | 2019-09-19 | 2020-07-14 | 上海梅陇阀门有限公司 | Welding type spring relief valve |
| CN211082891U (en) * | 2019-11-29 | 2020-07-24 | 天津汇仁源环保科技有限公司 | Electric regulating valve |
| CN212155855U (en) * | 2020-02-27 | 2020-12-15 | 浙江华星阀业有限公司 | Wear-resistant high-sealing gate valve |
| CN213017931U (en) * | 2020-09-01 | 2021-04-20 | 陈宗健 | Novel safety valve for pressure container |
| CN113669497A (en) * | 2021-07-16 | 2021-11-19 | 江苏海博流体控制有限公司 | Straight stroke transmission device for valve actuator |
Non-Patent Citations (1)
| Title |
|---|
| 任灵超;何东升;: "不间断循环阀的设计", 石油机械, no. 09 * |
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| CN114382896B (en) | 2023-10-27 |
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