CN220816553U - Governing valve with integral type heat dissipation valve gap - Google Patents
Governing valve with integral type heat dissipation valve gap Download PDFInfo
- Publication number
- CN220816553U CN220816553U CN202322509603.1U CN202322509603U CN220816553U CN 220816553 U CN220816553 U CN 220816553U CN 202322509603 U CN202322509603 U CN 202322509603U CN 220816553 U CN220816553 U CN 220816553U
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- Prior art keywords
- valve
- packing
- heat dissipation
- cover
- valve cover
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims description 53
- 238000003825 pressing Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 8
- 239000000945 filler Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses an adjusting valve with an integrated heat dissipation valve cover, which relates to the technical field of valves and comprises a valve body, a valve cover, a valve seat, a valve rod and a valve core, wherein the valve body is provided with an inlet channel and an outlet channel, the inlet channel is communicated with the outlet channel through a middle cavity, the valve cover is arranged above the valve body, the upper end of the valve rod is connected with a film executing mechanism, the lower end of the valve rod penetrates through the valve cover to extend to the middle cavity and is connected with the valve core, a plurality of heat dissipation discs are arranged outside the valve cover, the heat dissipation discs and the valve cover are integrally formed, the heat dissipation discs are distributed in parallel, and the diameters of the heat dissipation discs are reduced one by one from bottom to top. The utility model can avoid the leakage of the valve cover caused by poor assembly and welding, has good heat dissipation effect, ensures that the temperature of the matching part of the valve rod and the bottom of the filler is not frozen and bonded above 0 ℃, shortens the length of the valve cover and reduces the cost.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to an adjusting valve with an integrated heat dissipation valve cover.
Background
A regulating valve is a device for changing the throughput of gas or liquid and achieving a certain requirement, and belongs to a precise control instrument, and is usually composed of a main command device and other auxiliary parts. The switch can be operated by only receiving the signal from the regulating instrument, thereby achieving the required purpose. The regulating valve is mainly used for controlling measured parameters such as pressure, liquid level, temperature and the like in automatic control of industrial production processes, and can also be used as an intermediate relay in a remote continuous monitoring system and a computer control system, thereby playing an important role in automatic regulation and control of fluid.
In ultralow temperature working conditions such as liquefied natural gas, liquid helium and the like, a valve cover of the regulating valve is required to have good heat dissipation effect, the temperature of the matched part of the valve rod and the bottom of the filler is ensured to be more than 0 ℃ so as to prevent the filler from icing to influence the valve rod action, the existing heat dissipation valve cover generally adopts two modes of assembling and welding a plurality of heat dissipation discs or lengthening the neck part of the valve cover, the assembling and welding a plurality of heat dissipation discs has higher technological requirements, the assembling and welding failure easily causes leakage, the diameters of the assembled and welded heat dissipation discs are the same, and the heat dissipation effect is poor; lengthening the valve cap neck can make the valve rod too long to cause vertical stress depression bar unstability, can reduce the intensity of valve cap simultaneously, increase cost.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an adjusting valve with an integrated heat dissipation valve cover.
The technical scheme provided by the utility model is as follows:
The utility model provides a governing valve with integral type heat dissipation valve gap, includes valve body, valve gap, disk seat, valve rod, case, the valve body is equipped with inlet channel and outlet channel, inlet channel is linked together through the well chamber with the outlet channel, the valve gap is installed in the valve body top, film actuating mechanism is connected to the valve rod upper end, and its lower extreme passes the valve gap and extends to well chamber and link to each other with the case, the valve gap outside is equipped with a plurality of heat dissipation dish, heat dissipation dish and valve gap integrated into one piece, heat dissipation dish parallel distribution, and the diameter of heat dissipation dish reduces one by one from bottom to top.
The valve cage is arranged in the middle cavity, the upper end of the valve cage is in abutting sealing fit with the valve cover, and the lower end of the valve cage is in abutting sealing fit with the valve seat.
The side of the valve cage is provided with a through hole for the medium to pass through, and the through hole is arranged at the side opposite to the outlet passage.
The valve core is detachably connected with the valve rod through a connecting pin.
The valve cover is provided with a packing groove, V-shaped combined packing is arranged in the packing groove, a packing pressing sleeve is arranged above the packing, a packing pressing plate is arranged above the packing pressing sleeve, and the packing pressing plate is fixed with the valve cover through bolts and compresses the packing.
O-shaped sealing rings are arranged between the packing pressing sleeve and the valve cover and between the packing pressing sleeve and the valve rod.
The upper end and the lower end of the packing are respectively provided with a packing pad, a spring is arranged below the packing, one end of the spring abuts against the lower end of the packing groove, and the other end of the spring abuts against the packing pad at the lower end of the packing.
The utility model has the beneficial effects that: according to the utility model, the heat dissipation disc and the valve cover are integrally formed, so that leakage of the valve cover caused by poor assembly welding is avoided, the welding cost is reduced by the integrated valve cover, the diameters of the heat dissipation discs are reduced from bottom to top, the heat dissipation disc with larger diameter is adopted at the lower end, the heat dissipation area is larger, the heat dissipation disc with smaller diameter is closer to the upper filler, the uppermost heat dissipation disc is close to the cold temperature transmitted by a low-temperature medium base surface due to the smallest diameter, the optimal cold temperature is in the difference between the optimal cold temperature and the convection heat dissipation temperature of the surrounding environment, the heat dissipation effect of the stepped heat dissipation disc is good, the temperature at the joint of the valve rod and the bottom of the filler is ensured not to be frozen and bonded at more than 0 ℃, meanwhile, the length of the valve cover is shortened, and the cost is reduced.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present utility model;
fig. 2 is a partial enlarged view of fig. 1.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1-2, an adjusting valve with an integrated heat dissipation valve cover comprises a valve body 1, a valve cover 8, a valve seat 3, a valve rod 9 and a valve core 4.
The valve body 1 is provided with an inlet channel and an outlet channel, the inlet channel is communicated with the outlet channel through a middle cavity, and the inlet channel is lower than the outlet channel, namely, the medium circulation mode of low inlet and high outlet is adopted.
The valve cover 8 is arranged above the valve body 1, a plurality of heat dissipation discs 18 are arranged outside the valve cover 8, the heat dissipation discs 18 and the valve cover 8 are integrally formed, leakage of the valve cover 8 caused by poor assembly welding heat dissipation discs is avoided, the welding cost of the integrated valve cover is reduced, the heat dissipation discs 18 are mutually parallel, the diameters of the heat dissipation discs are reduced from bottom to top one by one, the heat dissipation disc with the largest diameter is adopted at the lowest end, the heat dissipation area is largest, the heat dissipation disc is furthest from the filler, the heat dissipation is carried out for a sufficient time, the heat dissipation disc is closer to the upper filler, the diameter of the heat dissipation disc at the highest end is smaller, the diameter of the heat dissipation disc is the smallest, the heat dissipation disc is close to the cold temperature transmitted by a low-temperature medium base surface, and is in the optimal difference between the cold temperature and the convection heat dissipation temperature of the surrounding environment.
The upper end of the valve rod 9 is connected with the film executing mechanism 17, the lower end of the valve rod passes through the valve cover 8 to extend to the middle cavity and is connected with the valve core 4, the valve core 4 and the valve rod 9 are detachably connected through the connecting pin 6, the valve can be detached from a pipeline without taking down the valve when the valve core is detached and replaced, the valve cover 8 is detached, the valve rod is taken out, the valve core can be replaced by detaching the connecting pin 6, and the valve is convenient to detach and install.
In this embodiment, be equipped with valve cage 5 in the well intracavity, valve cage 5 upper end and valve gap 8 are supported and are supported sealed cooperation, lower extreme and valve seat 3 are supported and are supported sealed cooperation, preferably, be equipped with gasket 7 between valve cage 5 upper end and the valve gap 8, be equipped with gasket 2 between valve seat 3 and the valve body 1, the gasket all adopts the metal to twine the gasket, reduce the friction of junction, the side of valve cage 5 is equipped with the through-hole that can supply the medium to pass through, the through-hole is located for the exit channel side, the medium gets into the valve cage from the import passageway, through the valve cage transfer pressure release, flow to the exit channel around valve cage 5 outside from the through-hole department, reduce the turbulent flow.
In this embodiment, the valve gap 8 is equipped with the packing groove, be equipped with V-arrangement combination packing 12 in the packing groove, packing 12 top is equipped with packing pressure cover 15, packing pressure cover 15 top is equipped with packing clamp plate 16, packing clamp plate 16 is fixed and compresses tightly packing 12 through bolt and valve gap 8, further, all be equipped with O shape sealing washer 13 between packing pressure cover 15 and valve gap 8, between packing pressure cover 15 and valve rod 9, prevent the medium from leaking between valve gap 9 and the valve rod 10, packing 12 upper and lower extreme all is equipped with packing pad 11, packing 12 below is equipped with spring 10, spring 10 one end supports and leans on the packing groove lower extreme, the other end supports the packing pad of packing 12 lower extreme, the elastic pressure and the packing pressure cover 15 coacts of spring 10, further compress tightly packing 12, ensure effective sealing.
The examples should not be construed as limiting the utility model, and any non-inventive modifications based on the spirit of the utility model should be regarded as being within the scope of the utility model.
Claims (7)
1. The utility model provides a governing valve with integral type heat dissipation valve gap, includes valve body, valve gap, disk seat, valve rod, case, the valve body is equipped with inlet channel and outlet channel, inlet channel is linked together through the well chamber with outlet channel, the valve gap is installed in the valve body top, film actuating mechanism is connected to the valve rod upper end, and its lower extreme passes the valve gap and extends to well chamber and link to each other with the case, its characterized in that: the outside of valve gap is equipped with a plurality of heat dissipation dish, heat dissipation dish and valve gap integrated into one piece, heat dissipation dish parallel distribution, and the diameter of heat dissipation dish reduces one by one from bottom to top.
2. The regulator valve with integrated heat dissipating valve cover of claim 1, wherein: the valve cage is arranged in the middle cavity, the upper end of the valve cage is in abutting sealing fit with the valve cover, and the lower end of the valve cage is in abutting sealing fit with the valve seat.
3. A regulator valve having an integrated heat dissipating valve cover as defined in claim 2, wherein: the side of the valve cage is provided with a through hole for the medium to pass through, and the through hole is arranged at the side opposite to the outlet passage.
4. The regulator valve with integrated heat dissipating valve cover of claim 1, wherein: the valve core is detachably connected with the valve rod through a connecting pin.
5. The regulator valve with integrated heat dissipating valve cover of claim 1, wherein: the valve cover is provided with a packing groove, V-shaped combined packing is arranged in the packing groove, a packing pressing sleeve is arranged above the packing, a packing pressing plate is arranged above the packing pressing sleeve, and the packing pressing plate is fixed with the valve cover through bolts and compresses the packing.
6. The regulator valve with integrated heat dissipating valve cover of claim 5, wherein: o-shaped sealing rings are arranged between the packing pressing sleeve and the valve cover and between the packing pressing sleeve and the valve rod.
7. The regulator valve with integrated heat dissipating valve cover of claim 5, wherein: the upper end and the lower end of the packing are respectively provided with a packing pad, a spring is arranged below the packing, one end of the spring abuts against the lower end of the packing groove, and the other end of the spring abuts against the packing pad at the lower end of the packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509603.1U CN220816553U (en) | 2023-09-15 | 2023-09-15 | Governing valve with integral type heat dissipation valve gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322509603.1U CN220816553U (en) | 2023-09-15 | 2023-09-15 | Governing valve with integral type heat dissipation valve gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220816553U true CN220816553U (en) | 2024-04-19 |
Family
ID=90708445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322509603.1U Active CN220816553U (en) | 2023-09-15 | 2023-09-15 | Governing valve with integral type heat dissipation valve gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220816553U (en) |
-
2023
- 2023-09-15 CN CN202322509603.1U patent/CN220816553U/en active Active
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| GR01 | Patent grant |