CN208605666U - A kind of cryogenic ball valve - Google Patents
A kind of cryogenic ball valve Download PDFInfo
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- CN208605666U CN208605666U CN201820972526.XU CN201820972526U CN208605666U CN 208605666 U CN208605666 U CN 208605666U CN 201820972526 U CN201820972526 U CN 201820972526U CN 208605666 U CN208605666 U CN 208605666U
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- boss
- connecting rod
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- 238000007789 sealing Methods 0.000 claims description 17
- 244000273618 Sphenoclea zeylanica Species 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to ball valve technical fields, especially a kind of cryogenic ball valve, including valve body and valve deck, one end of valve body is equipped with medium entrance end, the other end of valve body is equipped with media outlet end, valve deck is fixed on the top of valve body by screw rod, the inner wall of the side valve body at medium entrance end is equipped with slot, input end valve seat is equipped in slot, the side of middle part boss is equipped with bottom boss, the side of the upper center boss of bottom boss is equipped with outlet end valve seat, sphere is clamped between outlet end valve seat and input end valve seat, and through-hole is equipped at the center of sphere, sphere is equipped with operating mechanism, the bottom of valve deck is equipped with mounting groove, helical spring is equipped in mounting groove, the lower end of helical spring is connected with fixed pin, extend mounting groove and offset with the surface of valve seat lasso in the lower end of fixed pin.Compared with prior art, the design structure is simple, convenient for disassembly and assembly for this device, only needs a people can independent operation.
Description
Technical field
The utility model relates to ball valve technical field more particularly to a kind of cryogenic ball valves.
Background technique
Cryogenic ball valve is mainly applicable in the cryogens equipment such as hand ethylene, liquefied natural gas, special due to working media
Property, it is necessary to reach without the requirement to leak, and the working time one, pipeline shook the cryogenic ball valve of flange connection long on pipeline
The case where situations such as dynamic, erosion medium resistance, often makes flange connections generate leakage, so the connection type using butt welding can have
Effect solves the problems, such as that valve leaks with pipeline junction.This connection type of butt welded end is once being mounted on pipeline, if event occurs
Barrier, just can not carry out entire ball valve removing maintenance, we have proposed a kind of cryogenic ball valves thus.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of cryogenic ball valve proposed.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of cryogenic ball valve, including valve body and valve deck are designed, one end of the valve body is equipped with medium entrance end, the valve body
The other end be equipped with media outlet end, the valve deck is fixed on the top of valve body, the side at the medium entrance end by screw rod
The inner wall of valve body is equipped with slot, and input end valve seat is equipped in the slot, and the side of the input end valve seat is equipped with adjusting machine
Structure, the inner wall of the side valve body at the media outlet end are equipped with middle part boss, and it is convex that the side of the middle part boss is equipped with bottom
The side of platform, the upper center boss of the bottom boss is equipped with outlet end valve seat, and the outer sheath of outlet end valve seat is equipped with
Valve seat lasso is clamped with sphere between the outlet end valve seat and input end valve seat, and through-hole, institute are equipped at the center of sphere
Sphere is stated equipped with operating mechanism, the bottom of the valve deck is equipped with mounting groove, is equipped with helical spring, the spiral shell in the mounting groove
The lower end of rotation spring is connected with fixed pin, and mounting groove and the surface phase with valve seat lasso are extended in the lower end of the fixed pin
It supports.
Preferably, the regulating mechanism includes the butterfly spring being set on input end valve seat, and butterfly spring is located at
The side of valve interior wall, is arranged with valve seat nut on the side input end valve seat of the butterfly spring, and valve seat nut with into
Mouth end valve seat is threadedly coupled, and the butterfly spring is between valve seat nut and valve body.
Preferably, the operating mechanism includes the hollow stem being arranged in above valve deck, the company of being connected with above the sphere
The upper end of bar, the connecting rod through hollow stem and is extended out from the upper end of hollow stem equipped with operation handle, the one of the connecting rod
Side is equipped with sealing mechanism.
Preferably, the sealing mechanism includes the sealing ring being set on connecting rod, and the upper end of the hollow stem passes through screw rod
It is fixed with limited block, and connecting rod runs through limited block, is arranged with limiting cylinder, the limit on the top connecting rod of the sealing ring
The upper end of cylinder offsets with limited block.
Preferably, the upper end of the side hollow stem of the limited block is equipped with gag lever post, and the upper end of gag lever post is located at behaviour
Make the side of handle.
The utility model proposes a kind of cryogenic ball valve, beneficial effect is: in the utility model, when assembly, as long as will
Input end valve seat and butterfly spring, valve seat nut are in place, and by rotary valve base nut, just have enough spaces can be by sphere
It is placed directly into position with outlet end valve seat, valve seat lasso, then input end valve seat is driven by rotary valve base nut, makes itself and sphere
Contact sealing when on-line maintenance, as long as valve deck is dismantled, takes out helical spring and fixed pin, will be by rotary valve base nut
Mouth end valve seat can have enough spatial positions by sphere, outlet end valve seat and outlet end valve seat toward movement at medium entrance end
On valve seat lasso take out together, reach the function of on-line maintenance.Compared with prior art, the design structure is simple for this device
It is single, convenient for disassembly and assembly, only need a people can independent operation.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of cryogenic ball valve structural schematic diagram；
Fig. 2 be the utility model proposes a kind of cryogenic ball valve side structure schematic view；
Fig. 3 be the utility model proposes a kind of cryogenic ball valve valve body and valve deck structural schematic diagram.
In figure: hollow stem 1, connecting rod 2, slot 3, medium entrance end 4, input end valve seat 5, butterfly spring 6, valve seat nut 7,
Through-hole 8, sphere 9, valve body 10, bottom boss 11, valve seat lasso 12, outlet end valve seat 13, media outlet end 14, middle part boss
15, fixed pin 16, helical spring 17, valve deck 18, operation handle 19, gag lever post 20, limited block 21, limiting cylinder 22, sealing ring
23, mounting groove 24.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, one end of a kind of cryogenic ball valve, including valve body 10 and valve deck 18, valve body 10 is equipped with medium entrance end
4, the other end of valve body 10 is equipped with media outlet end 14, and valve deck 18 is fixed on the top of valve body 10, medium entrance end 4 by screw rod
The inner wall of side valve body 10 be equipped with slot 3, input end valve seat 5 is equipped in slot 3, the side of input end valve seat 5, which is equipped with, adjusts
Mechanism is saved, regulating mechanism includes the butterfly spring 6 being set on input end valve seat 5, and butterfly spring 6 is located at 10 inner wall of valve body
Side, valve seat nut 7, and valve seat nut 7 and input end valve seat 5 are arranged on the side input end valve seat 5 of butterfly spring 6
It is threadedly coupled, butterfly spring 6 is between valve seat nut 7 and valve body 10, by medium entrance end 4 so that fluid enters
In valve body 10, by media outlet end 14 to which fluid to be discharged, sealing, anti-fluid flow are achieved the purpose that by valve deck 18
Out, by valve body 10 to open up slot 3 on the inner wall of valve body 10, slot 3 passes through rotation for installing import end valve seat 5
Valve seat nut 7 realizes that input end valve seat 5 moves left and right, to adjust position of the input end valve seat 5 in slot 3.
The inner wall of the side valve body 10 at media outlet end 14 is equipped with middle part boss 15, and the side of middle part boss 15 is equipped with bottom
Portion's boss 11, the side of the upper center boss 15 of bottom boss 11 are equipped with outlet end valve seat 13, and outlet end valve seat 13
Outer sheath is equipped with valve seat lasso 12, and sphere 9, and the center of sphere 9 are clamped between outlet end valve seat 13 and input end valve seat 5
Place is equipped with through-hole 8, and sphere 9 is equipped with operating mechanism, and the bottom of valve deck 18 is equipped with mounting groove 24, is equipped with spiral bullet in mounting groove 24
Spring 17, the lower end of helical spring 17 are connected with fixed pin 16, the lower end of fixed pin 16 extend mounting groove 24 and with valve seat set
The surface of circle 12 offsets, the cooperation of middle part boss 15 and bottom boss 11, so that outlet end valve seat 13 and valve seat lasso 12 are placed,
Middle part boss 15 is used to limit the position of outlet end valve seat 13, so that outlet end valve seat 13 and sphere 9 are realized and sealed, moreover it is possible to make ball
The position of body 9 is half rotary table construction by bottom boss 11, effect is to push up from valve body 10 just at 10 middle of valve body
Outlet end valve seat 13 and valve seat lasso 12 are directly placed on above by portion, then have a mounting groove 24 use by the design of 18 bottom of valve deck
Helical spring 17 and fixed pin 16 are placed, so that the fixed pin 16 is pressed in 12 top of valve seat lasso by the thrust of helical spring 17,
For fixing outlet end valve seat 13 and valve seat lasso 12, the fixation for compensating for 11 semicircle of the bottom boss construction of valve body 10 is endless
Full defect.
Operating mechanism includes the hollow stem 1 that 18 top of valve deck is arranged in, and the top of sphere 9 is connected with connecting rod 2, connecting rod 2
Upper end is extended out through hollow stem 1 and from the upper end of hollow stem 1 equipped with operation handle 19, and the side of connecting rod 2 is equipped with sealer
Structure, sealing mechanism include the sealing ring 23 being set on connecting rod 2, and the upper end of hollow stem 1 is fixed with limited block 21 by screw rod, and
And connecting rod 2 runs through limited block 21, is arranged with limiting cylinder 22 on the top connecting rod 2 of sealing ring 23, the upper end of limiting cylinder 22 with
Limited block 21 offsets, and the upper end of the side hollow stem 1 of limited block 21 is equipped with gag lever post 20, and the upper end of gag lever post 20 is located at behaviour
Connecting rod 2 is placed by hollow stem 1 in the side for making handle 19, by operation handle 19 so that connecting rod 2 drives sphere 9
It is rotated, achievees the purpose that opening and closing, limiting cylinder 22 is limited by limited block 21, limiting cylinder 22 is used for
Sealing ring 23 is resisted, sealing is achieved the purpose that by sealing ring 23.
In the utility model, when assembly, as long as input end valve seat 5 and butterfly spring 6, valve seat nut 7 are in place, lead to
Rotary valve base nut 7 is crossed, just there are enough spaces sphere 9 and outlet end valve seat 13, valve seat lasso 12 can be placed directly into position,
Input end valve seat 5 is driven by rotary valve base nut 7 again, it is made to contact sealing with sphere 9, when on-line maintenance, as long as by valve deck
18 dismantle, and take out helical spring 17 and fixed pin 16, by rotary valve base nut 7 by input end valve seat 5 toward at medium entrance end 4
It is mobile, can have enough spatial positions by the valve seat lasso 12 on sphere 9, outlet end valve seat 13 and outlet end valve seat 13 together
It takes out, reaches the function of on-line maintenance.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. one end of a kind of cryogenic ball valve, including valve body (10) and valve deck (18), the valve body (10) is equipped with medium entrance end
(4), the other end of the valve body (10) is equipped with media outlet end (14), which is characterized in that the valve deck (18) is solid by screw rod
It is scheduled on the top of valve body (10), the inner wall of the side valve body (10) of the medium entrance end (4) is equipped with slot (3), the slot
Input end valve seat (5) are equipped in hole (3), the side of the input end valve seat (5) is equipped with regulating mechanism, the media outlet end
(14) inner wall of side valve body (10) is equipped with middle part boss (15), and the side of the middle part boss (15) is equipped with bottom boss
(11), the side of the upper center boss (15) of the bottom boss (11) is equipped with outlet end valve seat (13), and exports end valve
The outer sheath of seat (13) is equipped with valve seat lasso (12), is clamped with ball between the outlet end valve seat (13) and input end valve seat (5)
Body (9), and through-hole (8) are equipped at the center of sphere (9), the sphere (9) is equipped with operating mechanism, the valve deck (18)
Bottom is equipped with mounting groove (24), is equipped with helical spring (17) in the mounting groove (24), and the lower end of the helical spring (17) connects
It is connected to fixed pin (16), mounting groove (24) and the surface phase with valve seat lasso (12) are extended in the lower end of the fixed pin (16)
It supports.
2. a kind of cryogenic ball valve according to claim 1, which is characterized in that the regulating mechanism includes being set in input end
Butterfly spring (6) on valve seat (5), and butterfly spring (6) is located at the side of valve body (10) inner wall, the butterfly spring (6)
Side input end valve seat (5) on be arranged with valve seat nut (7), and valve seat nut (7) and input end valve seat (5) screw thread connect
It connects, the butterfly spring (6) is located between valve seat nut (7) and valve body (10).
3. a kind of cryogenic ball valve according to claim 1, which is characterized in that the operating mechanism includes being arranged in valve deck
(18) hollow stem (1) above is connected with connecting rod (2) above the sphere (9), and the upper end of the connecting rod (2) is through hollow
Bar (1) is simultaneously extended out from the upper end of hollow stem (1) equipped with operation handle (19), and the side of the connecting rod (2) is equipped with sealer
Structure.
4. a kind of cryogenic ball valve according to claim 3, which is characterized in that the sealing mechanism includes being set in connecting rod
(2) upper end of the sealing ring (23) on, the hollow stem (1) is fixed with limited block (21) by screw rod, and connecting rod (2) runs through
Limited block (21) is arranged with limiting cylinder (22) on the top connecting rod (2) of the sealing ring (23), the limiting cylinder (22)
Upper end offsets with limited block (21).
5. a kind of cryogenic ball valve according to claim 4, which is characterized in that the side hollow stem of the limited block (21)
(1) upper end is equipped with gag lever post (20), and the upper end of gag lever post (20) is located at the side of operation handle (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972526.XU CN208605666U (en) | 2018-06-24 | 2018-06-24 | A kind of cryogenic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820972526.XU CN208605666U (en) | 2018-06-24 | 2018-06-24 | A kind of cryogenic ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605666U true CN208605666U (en) | 2019-03-15 |
Family
ID=65665060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820972526.XU Active CN208605666U (en) | 2018-06-24 | 2018-06-24 | A kind of cryogenic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208605666U (en) |
-
2018
- 2018-06-24 CN CN201820972526.XU patent/CN208605666U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231222 Address after: 363900 No.1 Shunda Road, Gunong Farm, Changtai District, Zhangzhou City, Fujian Province Patentee after: Fujian Huishang Technology Co.,Ltd. Address before: 363900 Yintang Industrial Zone, Gu Nong farm, Changtai County, Zhangzhou City, Fujian Province Patentee before: DATONG RECIPROCITY GROUP CO.,LTD. |