CN103511644B - A kind of double; two eccentric interchangeable sealed butterfly valve - Google Patents
A kind of double; two eccentric interchangeable sealed butterfly valve Download PDFInfo
- Publication number
- CN103511644B CN103511644B CN201210517789.9A CN201210517789A CN103511644B CN 103511644 B CN103511644 B CN 103511644B CN 201210517789 A CN201210517789 A CN 201210517789A CN 103511644 B CN103511644 B CN 103511644B
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- Prior art keywords
- valve
- gland
- eccentric
- disk spring
- valve body
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- 239000002184 metal Substances 0.000 claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims abstract description 37
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005530 etching Methods 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
-
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/2268—Sealing means for the axis of rotation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
- Details Of Valves (AREA)
Abstract
A kind of double; two eccentric interchangeable sealed butterfly valve, including valve body, valve plate, valve shaft, disk spring type metal seat valve and gland；Described valve body and valve plate are set for the eccentric；Disk spring type metal seat valve is fixed on valve body by described gland；Described disk spring type metal seat valve includes fixed part, depressed part and the lobe that integral type is arranged, and described fixed part is fixed between valve body and gland, described depressed part next-door neighbour's fixed part, and described lobe is adjacent with depressed part, and is close to valve plate setting；Also including metal-O-ring or soft valve base seal, described disk spring type metal seat valve combines with metal-O-ring or soft valve base seal interchangeably.The present invention has a space disposing metal-O-ring or soft valve base seal between disk spring type metal seat valve and valve body, realize the random exchange of metal sealing form and fire proof seal form, one butterfly valve main body can realize the conveying requirement of high temperature, high pressure, inflammable, deep-etching liquid medium and long service life simultaneously.
Description
Technical field
The present invention relates to valve technology field, particularly relate to a kind of suitable in the double; two eccentric interchangeable sealed butterfly valve on the liquid mediums such as high temperature, high pressure, inflammable, deep-etching or gas medium transfer pipeline.
Background technology
Double eccentric butterfly valve is also called high-performance butterfly valve, is primarily adapted for use in the System drainage use such as water factory, power plant, steel mill's smelting, chemical industry, water source spring engineering, environmental facility construction, is particularly suited on water channel pipeline, as regulating and dam equipment use.Comparing with centre-pivoted butterfly valve, double eccentric butterfly valve is more resistant to high pressure, and the life-span is longer, good stability.But due to the restriction of its material, it is very restricted in high temperature, high pressure, application inflammable, deep-etching liquid medium transportation art.Three-eccentric-butterfly-valve while the valve rod shaft core position of double; two bias is eccentric, make the pyramid type axis deviation of dish plate sealing surface in body cylinder axis, that is, after third time bias, the sealing section of dish plate be no longer proper circle but oval, its sealing surface shape also therefore asymmetric, while favouring body central line, another side be then parallel to body central line.The eccentric maximum feature of this third time is exactly fundamentally change seal construction, be no longer position seals but torsion seals, namely do not rely on the elastic deformation of valve seat but fully relies on the contact surface pressure of valve seat to reach sealing effectiveness, but its cost of manufacture is higher, and maintenance difficulty is bigger.And no matter conventional metallic seal butterfly valve and fire prevention butterfly valve are double; two eccentric or three eccentricity, a kind of requirement can only be met, be the product of two kinds of design forms when producing and use.
Summary of the invention
For solving above-mentioned technical problem, the invention provides a kind of suitable in the double; two eccentric interchangeable sealed butterfly valve on the liquid mediums such as high temperature, high pressure, inflammable, deep-etching or gas medium transfer pipeline.
For achieving the above object, the invention provides a kind of double; two eccentric interchangeable sealed butterfly valve, including valve body, valve plate, valve shaft, disk spring type metal seat valve and gland；
Described valve body and valve plate are set for the eccentric；
Disk spring type metal seat valve is fixed on valve body by described gland；
Described disk spring type metal seat valve includes fixed part, depressed part and the lobe that integral type is arranged, and described fixed part is fixed between valve body and gland, described depressed part next-door neighbour's fixed part, and described lobe is adjacent with depressed part, and is close to valve plate setting；
Also include metal-O-ring or soft valve base seal,
Described disk spring type metal seat valve combines with metal-O-ring or soft valve base seal interchangeably.
Further, described metal-O-ring or the cooperation of soft valve base seal are placed between depressed part and valve body.
Further, it is provided with sealing gasket between described fixed part and valve body and gland.
Further, described valve shaft being provided with bearing holder (housing, cover), described bearing holder (housing, cover) top is provided with shaft sealer.
Further, described valve plate is fixed by a pin on valve shaft.
Further, also including differential, described differential is fixed on valve body by standard component.
Further, described valve shaft is fixedly installed at the upper part with driving device connector.
Further, described gland being additionally provided with the fixing device of gland, gland is fixed on valve body by the fixing device of described gland.
Adopting technique scheme, beneficial effects of the present invention has:
Double; two eccentric interchangeable sealed butterfly valve provided by the present invention, has a space disposing metal-O-ring or soft valve base seal between disk spring type metal seat valve and valve body, and metal seat valve and metal-O-ring are combined as metal sealing assembly；Metal seat valve and soft valve seat combination are fire proof seal assembly, realize the random exchange of metal sealing form and fire proof seal form, metal-O-ring or soft valve base seal is selected according to different demands, convenient use, one butterfly valve main body can realize the conveying requirement of high temperature, high pressure, inflammable, deep-etching liquid medium simultaneously, cost can be saved for user, accomplish multi-purpose valve.
And the present invention adopts disk spring type metal seat valve, add the development length in unit sizes, thus adding valve seat elastic deformation operationally, decreasing its plastic deformation, adding service life.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is one embodiment of the invention schematic diagram；
Fig. 3 is further embodiment of this invention schematic diagram.
Wherein: 1 valve body, 2 valve plates, 3 valve shafts, 4 disk spring type metal seat valves, 41 fixed parts, 42 depressed parts, 43 lobe, 5 glands, 6 metal-O-rings, 7 soft valve base seals, 8 sealing gaskets, 9 bearing holder (housing, cover)s, 10 shaft sealers, 11 pins, 12 differentials, 13 standard components, 14 driving device connectors, 15 glands fix device, 16 differential sets.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is present configuration schematic diagram, as it is shown in figure 1, a kind of double; two eccentric interchangeable sealed butterfly valve, including valve body 1, valve plate 2, valve shaft 3, disk spring type metal seat valve 4 and gland 5；Described valve shaft 3, valve body 2 and valve plate 1 are double; two eccentric settings；Disk spring type metal seat valve 4 is fixed on valve body 1 by described gland 5；Described disk spring type metal seat valve 4 includes fixed part 41, depressed part 42 and the lobe 43 that integral type is arranged, described fixed part 41 is fixed between valve body 1 and gland 5, described depressed part 42 is close to fixed part 41, and described lobe 43 is adjacent with depressed part 42, and is close to valve plate 2 and arranges；Also include metal-O-ring 6 or soft valve base seal 7, described metal-O-ring 6 or soft valve base seal 7 cooperation to be placed between depressed part 42 and valve body 1.Described soft valve base seal 7 upper end is close to valve plate 2 and is arranged.It is provided with sealing gasket 8 between described fixed part 41 and valve body 1 and gland 5.Being provided with bearing holder (housing, cover) 9 on described valve shaft 3, described bearing holder (housing, cover) top is provided with shaft sealer 10.Described valve plate 2 is fixed on valve shaft 3 by pin 11.The subsidiary differential set 16 of described differential 12, and it is fixed on valve body 1 by standard component 13, described valve shaft 3 is fixedly installed at the upper part with driving device connector 14.Being additionally provided with the fixing device 15 of gland on described gland 5, gland 5 is fixed on valve body 1 by the fixing device 15 of described gland.
Fig. 2 is one embodiment of the invention schematic diagram, as shown in Figure 2, the fixed part 41 of disk spring type metal seat valve 4 is fixed on valve body 1, opposite side is provided with gland 5, and the contact surface of fixed part 41 and gland 5 and valve body 1 is provided with sealing gasket 8, valve body 1 is provided with a groove, a cavity is formed with the depressed part 42 on disk spring type metal seat valve 4, metal-O-ring 6 is disposed in cavity, lobe 43 and the valve plate 2 of disk spring type metal seat valve 4 are in close contact, form all-metal sealing assembly, when working under positive pressure, disk spring type metal seat valve moves along with the displacement of valve plate and ensures sealing property, when working under buffer brake, disk spring type metal seat valve is mobile with the displacement of valve plate under the effect of the pressure, simultaneously, metallic elastic O absorption portion valve seat deflection, ensure that valve seat does not produce plastic deformation, so that it is guaranteed that sealing property.
Fig. 3 is further embodiment of this invention schematic diagram, as shown in Figure 3, disk spring type metal seat valve 4 is integral type structure, include fixed part 41 successively, depressed part 42 and lobe 43 3 part, fixed part 41 is fixed on valve plate 2, compress with gland 5, and sealing gasket 8 is set in fixed part 41 both sides ensures sealing effectiveness, depressed part 42 is collectively forming, with the groove on valve body 1, the open cavity disposing soft valve base seal 7, slot opening place on described valve body 1 has a projective structure, it is used for blocking soft valve base seal 7, the lower shape of described soft valve base seal 7 matches with open cavity, top has a valve plate contact site stretching out cavities open, described valve plate contact site and valve plate fit tightly, fire proof seal assembly is formed together with disk spring type metal seat valve 4, strengthen sealing and fireproofing function.During work, soft valve base sealing assembly deforms upon along with disk spring type metal seat valve, it is ensured that seal and fire protecting performance.
Double; two eccentric interchangeable butterfly valve provided by the present invention, by the fixing disk spring type metal seat valve of gland, gland is provided with removable fixation means, gland is fastened on valve body by this removable fixation means, time disk spring type metal seat valve fixed part be completely fixed and seal, when needing to change inner core (metal-O-ring namely disposed in cavity and soft valve base seal), take apart to open and unload fixing device, take off gland and disk spring type metal seat valve, place inner core to be replaced, sealing gasket and disk spring type metal seat valve, depress gland, fastening removable fixation means, completes to change.This replacement operation is simple, requirement without technology, general personnel can operate, show up without technical staff, user can according to oneself needing to buy butterfly valve body (i.e. double; two eccentric interchangeable butterfly valve provided by the present invention) and accessory inner core, carry out as required installing or inner core replacing, it is achieved that a butterfly valve body can realize several functions, multi-purpose valve by replacing inner core.
Embodiment described above only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (7)
1. a double; two eccentric interchangeable sealed butterfly valve, it is characterised in that: include valve body, valve plate, valve shaft, disk spring type metal seat valve and gland；
Described valve body and valve plate are set for the eccentric；
Disk spring type metal seat valve is fixed on valve body by described gland；
Described disk spring type metal seat valve includes fixed part, depressed part and the lobe that integral type is arranged, and described fixed part is fixed between valve body and gland, described depressed part next-door neighbour's fixed part, and described lobe is adjacent with depressed part, and is close to valve plate setting；
Also include metal-O-ring or soft valve base seal,
Wherein valve body is provided with groove, forms cavity, described cavity and described metal-O-ring or described soft valve base seal shape adaptation with the depressed part on disk spring type metal seat valve；
Described disk spring type metal seat valve combines with metal-O-ring or soft valve base seal interchangeably；
It is provided with sealing gasket between described fixed part and valve body and gland.
2. double; two eccentric interchangeable sealed butterfly valve according to claim 1, it is characterised in that: described metal-O-ring or the cooperation of soft valve base seal are placed between depressed part and valve body.
3. double; two eccentric interchangeable sealed butterfly valve according to claim 1 and 2, it is characterised in that: being provided with bearing holder (housing, cover) on described valve shaft, described bearing holder (housing, cover) top is provided with shaft sealer.
4. double; two eccentric interchangeable sealed butterfly valve according to claim 1 and 2, it is characterised in that: described valve plate is fixed by a pin on valve shaft.
5. double; two eccentric interchangeable sealed butterfly valve according to claim 1 and 2, it is characterised in that: also including differential, described differential is fixed on valve body by standard component.
6. double; two eccentric interchangeable sealed butterfly valve according to claim 1 and 2, it is characterised in that: described valve shaft is fixedly installed at the upper part with driving device connector.
7. double; two eccentric interchangeable sealed butterfly valve according to claim 1 and 2, it is characterised in that: being additionally provided with the fixing device of gland on described gland, gland is fixed on valve body by the fixing device of described gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517789.9A CN103511644B (en) | 2012-12-05 | 2012-12-05 | A kind of double; two eccentric interchangeable sealed butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517789.9A CN103511644B (en) | 2012-12-05 | 2012-12-05 | A kind of double; two eccentric interchangeable sealed butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511644A CN103511644A (en) | 2014-01-15 |
| CN103511644B true CN103511644B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517789.9A Active CN103511644B (en) | 2012-12-05 | 2012-12-05 | A kind of double; two eccentric interchangeable sealed butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103511644B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178270A (en) * | 2020-09-28 | 2021-01-05 | 昆山新莱洁净应用材料股份有限公司 | Sealing structure and fluid conveying device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042845A (en) * | 2003-07-24 | 2005-02-17 | Tomoe Tech Res Co | Trieccentric type butterfly valve |
| CN101893102A (en) * | 2009-05-18 | 2010-11-24 | 宁津美华工业有限公司 | Fire-proof high-temperature resistant double eccentric butterfly valve |
| CN202302002U (en) * | 2011-09-07 | 2012-07-04 | 中国船舶重工集团公司第七0四研究所 | Hard seal double-eccentric butterfly valve of S-shaped elastic double-O-shaped metal seal ring |
| CN203098894U (en) * | 2012-12-05 | 2013-07-31 | 宁津美华工业有限公司 | Double-eccentric interchangeable seal butterfly valve |
-
2012
- 2012-12-05 CN CN201210517789.9A patent/CN103511644B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005042845A (en) * | 2003-07-24 | 2005-02-17 | Tomoe Tech Res Co | Trieccentric type butterfly valve |
| CN101893102A (en) * | 2009-05-18 | 2010-11-24 | 宁津美华工业有限公司 | Fire-proof high-temperature resistant double eccentric butterfly valve |
| CN202302002U (en) * | 2011-09-07 | 2012-07-04 | 中国船舶重工集团公司第七0四研究所 | Hard seal double-eccentric butterfly valve of S-shaped elastic double-O-shaped metal seal ring |
| CN203098894U (en) * | 2012-12-05 | 2013-07-31 | 宁津美华工业有限公司 | Double-eccentric interchangeable seal butterfly valve |
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| Publication number | Publication date |
|---|---|
| CN103511644A (en) | 2014-01-15 |
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of two eccentric interchangeable seal butterfly valve Effective date of registration: 20170703 Granted publication date: 20160629 Pledgee: Qilu bank Limited by Share Ltd. Dezhou Ningjin branch Pledgor: NINGJIN APC INDUSTRIES Co.,Ltd. Registration number: 2017370000081 |
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Date of cancellation: 20180731 Granted publication date: 20160629 Pledgee: Qilu bank Limited by Share Ltd. Dezhou Ningjin branch Pledgor: NINGJIN APC INDUSTRIES Co.,Ltd. Registration number: 2017370000081 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double-eccentricity interchange type seal butterfly valve Effective date of registration: 20180806 Granted publication date: 20160629 Pledgee: Qilu bank Limited by Share Ltd. Dezhou Ningjin branch Pledgor: NINGJIN APC INDUSTRIES Co.,Ltd. Registration number: 2018370000145 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191202 Granted publication date: 20160629 Pledgee: Qilu bank Limited by Share Ltd. Dezhou Ningjin branch Pledgor: NINGJIN APC INDUSTRIES Co.,Ltd. Registration number: 2018370000145 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140115 Assignee: Ningjin Hongzhi Valve Co.,Ltd. Assignor: NINGJIN APC INDUSTRIES Co.,Ltd. Contract record no.: X2023980032338 Denomination of invention: A double-eccentric interchangeable sealed butterfly valve Granted publication date: 20160629 License type: Common License Record date: 20230220 |
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