CN216715244U - Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve - Google Patents
Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve Download PDFInfo
- Publication number
- CN216715244U CN216715244U CN202123400925.XU CN202123400925U CN216715244U CN 216715244 U CN216715244 U CN 216715244U CN 202123400925 U CN202123400925 U CN 202123400925U CN 216715244 U CN216715244 U CN 216715244U
- Authority
- CN
- China
- Prior art keywords
- packing
- sleeve
- plate
- height
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012856 packing Methods 0.000 title claims abstract description 63
- 238000003825 pressing Methods 0.000 title claims abstract description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 17
- 239000010439 graphite Substances 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 12
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a packing pressing plate with a height-fixing sleeve for an ultra-high temperature and high pressure valve, which comprises a valve body, wherein the packing pressing plate is arranged in the valve body, a graphite packing group is filled in the packing pressing plate and the valve body, a valve rod is arranged in the packing pressing plate and the valve body, the surface of the packing pressing plate on the right side of the valve rod is provided with the height-fixing sleeve, a thrust spring is arranged in the height-fixing sleeve, and the upper end surface of the height-fixing sleeve is provided with a thrust pad. Through the pressure packing board that sets up, graphite packing group, valve rod, decide high sleeve, thrust spring, thrust pad, clamp plate nut and clamp plate double-screw bolt, through adjusting the clamp plate nut, when thrust spring just disappeared in deciding high sleeve, the pressure packing board compresses tightly graphite packing group, and the pressure stress that makes graphite packing group receive just realizes the pressure stress that the packing needs, and valve rod department realizes effectively sealed and not transshipping, realizes sealing between valve rod and the valve body.
Description
Technical Field
The utility model relates to the technical field of ultrahigh-temperature and high-pressure valves, in particular to a packing pressing plate with a fixed-height sleeve for an ultrahigh-temperature and high-pressure valve.
Background
The valve rod sealing of the ultrahigh-temperature high-pressure valve is always a difficult problem in valve design, production and use, although a large number of materials can be used for realizing the valve rod sealing of the high-pressure valve, the sealing element which can realize high-pressure sealing and can not lose efficacy at high temperature and is stable in work, economical and practical is only provided with a graphite sealing element, and the existing packing pressing plate with a height-fixing sleeve for the ultrahigh-temperature high-pressure valve can basically meet daily use requirements, but still has some defects to be improved.
When the existing packing pressing plate with a fixed-height sleeve for the ultra-high temperature and high pressure valve is used, the graphite packing group is compressed by the pressing sleeve to realize sealing, this configuration has been found to be prevalent during factory assembly and on-line maintenance of the valve, that is, in order to achieve effective sealing of the graphite packing set, the packing pressure plate is usually tightened with excessive pre-tightening force, so that the valve stem packing is excessively compressed, although the sealing effect is realized, the friction force generated by the filler wrapping the valve rod is increased, so that the torque of the valve is increased during the idling and the use, the requirement on the strength of the valve rod is improved, the service life of the valve rod is shortened, the operating torque of the valve rod is improved, the valve cannot be opened or the specification of an actuator is improved, and the cost is improved.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a packing press plate with a height-fixing sleeve for an ultrahigh-temperature and high-pressure valve, which solves the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a have and decide telescopic holding plate of high for ultra-high temperature high pressure valve, includes the valve body, this internal holding plate that is provided with of valve, it has graphite packing group to pack to be filled in holding plate and the valve body, this internal valve rod that all is provided with of holding plate and valve, valve rod right side holding plate is provided with on the surface and decides high sleeve, decide to be provided with thrust spring in the high sleeve, decide high sleeve upper end surface and be provided with thrust pad, decide and all run through in high sleeve, thrust spring, the thrust pad and be provided with the clamp plate double-screw bolt, the screw thread rotates the clamp plate nut on the clamp plate double-screw bolt, decide high sleeve one side and seted up the observation groove.
As a preferable technical scheme of the present invention, a rectangular through hole is formed in one side of the height-fixing sleeve close to the thrust spring.
As a preferable technical scheme of the utility model, the surface of the pressure plate stud is provided with a thread matched with the inner part of the pressure plate nut.
As a preferable technical scheme of the utility model, one end of the thrust spring is arranged on the inner wall of the thrust pad, and the other end of the thrust spring is arranged on the surface of the packing press plate.
As a preferred technical scheme of the utility model, the pressure plate nut is in a hexagonal design.
As a preferred technical scheme of the utility model, the valve rod of the valve is designed in a cylindrical shape, and cylindrical grooves with the same shape and volume as the valve rod of the valve are arranged in the packing press plate and the valve body.
As a preferred technical scheme of the utility model, the packing press plate is of an integral design.
Compared with the prior art, the utility model can achieve the following beneficial effects:
1. by arranging the packing pressing plate, the graphite packing group, the valve rod, the height-fixing sleeve, the thrust spring, the thrust pad, the pressing plate nut and the pressing plate stud, and adjusting the pressing plate nut, when the thrust spring just disappears in the height-fixing sleeve, the packing pressing plate presses the graphite packing group, so that the compression stress applied to the graphite packing group just realizes the compression stress required by packing sealing, the effective sealing and no overload are realized at the valve rod, and the sealing between the valve rod and the valve body is realized;
2. through the observation groove that sets up, during the assembly, the observation groove is up, observes thrust spring and guarantees that thrust spring can not appear the dress partially, block at the assembled state of clamp plate nut pretension in-process to and be used for observing the termination position of confirming thrust spring and just disappearing when deciding high sleeve.
Drawings
FIG. 1 is a schematic view of a first front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of a partial front cross-sectional structure of the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is a detail view of the sizing sleeve of the present invention;
wherein: 1. a valve body; 2. a packing press plate; 3. a graphite filler group; 4. a valve stem; 5. a height-fixing sleeve; 6. a thrust spring; 7. a thrust pad; 8. a platen nut; 9. a platen stud; 10. and (6) observing the groove.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Other embodiments obtained by persons skilled in the art without making creative efforts based on the embodiments in the implementation belong to the protection scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-4, a packing press plate with a fixed-height sleeve for an ultra-high temperature and high pressure valve comprises a valve body 1, a packing press plate 2 is arranged in the valve body 1, a graphite packing group 3 is filled in the packing press plate 2 and the valve body 1, a valve rod 4 is arranged in the packing press plate 2 and the valve body 1, a fixed-height sleeve 5 is arranged on the surface of the packing press plate 2 on the right side of the valve rod 4, a thrust spring 6 is arranged in the fixed-height sleeve 5, a thrust pad 7 is arranged on the upper end surface of the fixed-height sleeve 5, a press plate stud 9 is arranged in the fixed-height sleeve 5, the thrust spring 6 and the thrust pad 7 in a penetrating manner, a press plate nut 8 is rotated on the press plate stud 9, and an observation groove 10 is formed in one side of the fixed-height sleeve 5;
through adjusting the clamp plate nut 8, when thrust spring 6 just disappeared in the sleeve 5 of deciding the height, the pressure plate 2 compresses tightly graphite packing group 3, makes the compressive stress that graphite packing group 3 received just realize the compressive stress that the packing needs, and valve rod 4 department realizes effectively sealed and not transship, realizes the sealed between valve rod 4 and the valve body 1.
In other embodiments, a rectangular through hole is formed in one side of the fixed height sleeve 5 close to the thrust spring 6;
through this design, can be convenient for the staff through observing groove 10 and observe the course of operation of thrust spring 6.
In other embodiments, the surface of the platen stud 9 is provided with a thread matching the inner part of the platen nut 8;
through this design, can be through rotating clamp plate nut 8, make clamp plate nut 8 extrusion thrust pad 7 to make thrust pad 7 extrusion thrust spring 6 right, from reaching the effect that compresses tightly to pressure plate 2 that packs.
In other embodiments, one end of the thrust spring 6 is arranged on the inner wall of the thrust pad 7, and the other end of the thrust spring 6 is arranged on the surface of the packing press plate 2;
through the design, the aim of buffering the graphite packing group 3 can be achieved by utilizing the restoring force generated by the extrusion of the elasticity of the thrust spring 6.
In other embodiments, the platen nut 8 is of hexagonal design;
through this design, can be convenient for the staff to operate clamp plate nut 8, prevent that the hand from sliding when using clamp plate nut 8.
In other embodiments, the valve rod 4 is designed in a cylindrical shape, and cylindrical grooves with the same shape and volume as the valve rod 4 are arranged in the packing press plate 2 and the valve body 1;
through this design, can make valve rod 4 and 2 and the abundant laminating of valve body 1 of clamp plate that packs, prevent that valve rod 4 from appearing rocking in clamp plate 2 and valve body 1 of packing.
In other embodiments, the packing press plate 2 is of unitary design;
through the design, the central line of the hole of the valve rod 4 on the packing press plate 2 is ensured to be coaxial with the valve rod 4, the thrust spring 6 pressed on the packing press plate 2 is ensured not to incline in the compression process, and the accuracy of the thrust spring 6 is ensured to the maximum extent.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a packing clamp plate that is used for having of superhigh temperature high pressure valve to decide high sleeve, includes valve body (1), its characterized in that: be provided with the packing plate (2) in the valve body (1), it has graphite filler group (3) to pack to fill in packing plate (2) and valve body (1), all be provided with valve rod (4) in packing plate (2) and valve body (1), valve rod (4) right side packing plate (2) are provided with on the surface and decide high sleeve (5), be provided with thrust spring (6) in deciding high sleeve (5), it is provided with thrust pad (7) to decide high sleeve (5) upper end surface, it all runs through in high sleeve (5), thrust spring (6), the thrust pad (7) and is provided with clamp plate double-screw bolt (9), clamp plate double-screw bolt (9) go up the screw thread and rotate there are clamp plate nut (8), decide high sleeve (5) one side and seted up observation groove (10).
2. The packing press plate with the height-fixing sleeve for the ultrahigh-temperature and high-pressure valve according to claim 1, is characterized in that: and a rectangular through hole is formed in one side of the fixed height sleeve (5) close to the thrust spring (6).
3. The packing press plate with the height-fixing sleeve for the ultrahigh-temperature and high-pressure valve according to claim 1, is characterized in that: and the surface of the pressure plate stud (9) is provided with a thread matched with the pressure plate nut (8).
4. The packing press plate with the height-fixing sleeve for the ultrahigh-temperature and high-pressure valve according to claim 1, is characterized in that: one end of the thrust spring (6) is arranged on the inner wall of the thrust pad (7), and the other end of the thrust spring (6) is arranged on the surface of the packing press plate (2).
5. The packing press plate with the height-fixing sleeve for the ultrahigh-temperature and high-pressure valve according to claim 1, is characterized in that: the pressing plate nut (8) is in a hexagonal design.
6. The packing press plate with a fixed height sleeve for an ultrahigh temperature and high pressure valve according to claim 1, characterized in that: the valve rod (4) is designed in a cylindrical shape, and cylindrical grooves with the same shape and volume as the valve rod (4) are arranged in the packing press plate (2) and the valve body (1).
7. The packing press plate with the height-fixing sleeve for the ultrahigh-temperature and high-pressure valve according to claim 1, is characterized in that: the packing press plate (2) is designed in an integral manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400925.XU CN216715244U (en) | 2021-12-31 | 2021-12-31 | Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400925.XU CN216715244U (en) | 2021-12-31 | 2021-12-31 | Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715244U true CN216715244U (en) | 2022-06-10 |
Family
ID=81888683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400925.XU Active CN216715244U (en) | 2021-12-31 | 2021-12-31 | Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715244U (en) |
-
2021
- 2021-12-31 CN CN202123400925.XU patent/CN216715244U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216715244U (en) | Packing pressing plate with fixed-height sleeve for ultra-high temperature and high pressure valve | |
| CN202883350U (en) | Drilling pump valve deck device | |
| CN219933054U (en) | Novel ultrahigh-pressure shuttle valve | |
| CN208866802U (en) | Device is used in a kind of processing of high-alloy steel structural body parts | |
| CN201902577U (en) | Angle valve for air conditioner | |
| CN2495357Y (en) | Pressure filter utilziing water pressure to proceed high pressure squeezing | |
| CN206982584U (en) | A kind of bonnet dismantling device for quantitatively applying super-huge torque for drilling pump | |
| CN216715361U (en) | Valve rod quantitative sealing structure of valve | |
| CN111022665A (en) | Adjustable shaft hole sealing packing structure | |
| CN205401789U (en) | Electric ball valve | |
| CN201351599Y (en) | Piston assembly adopting complex retainer ring | |
| CN211624221U (en) | Adjustable shaft hole sealing packing structure | |
| CN103722619A (en) | Quick opening and closing clamp for concrete precast pile steel die | |
| CN112503280A (en) | High-temperature-resistant burning loss-preventing rotary compensator | |
| CN212203179U (en) | Forged steel gate valve | |
| CN203738626U (en) | Device for pressing main journal and connecting rod journal of crankshaft | |
| CN210770620U (en) | Ball valve capable of preventing filler from loosening | |
| CN217736469U (en) | Bidirectional compressible packing sealing structure of valve | |
| CN214946397U (en) | Top valve with replaceable sealing gasket in external field | |
| CN110159632A (en) | Fastening bolt and clamp device | |
| CN218094405U (en) | Four-way reversing switch sealing ball valve | |
| CN218266607U (en) | Axial dimension adjusting structure of V-shaped combined sealing ring | |
| CN204277778U (en) | For the plunger grinding plane frock of swash plate plunger pump | |
| CN220204854U (en) | Valve | |
| CN217422175U (en) | Novel flange seal structure in high-pressure valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215000 No.42, Guijia lane, Suzhou Industrial Park, Suzhou City, Jiangsu Province Patentee after: Harbin Electric Suzhou Dauson Valve Co.,Ltd. Country or region after: Zhong Guo Address before: No.42, Guijia lane, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215026 Patentee before: SUZHOU DOUSON VALVE CO.,LTD. Country or region before: Zhong Guo |