CN203463678U - High-temperature high-pressure bidirectional metal hard sealing butterfly valve - Google Patents
High-temperature high-pressure bidirectional metal hard sealing butterfly valve Download PDFInfo
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- CN203463678U CN203463678U CN201320479755.5U CN201320479755U CN203463678U CN 203463678 U CN203463678 U CN 203463678U CN 201320479755 U CN201320479755 U CN 201320479755U CN 203463678 U CN203463678 U CN 203463678U
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- butterfly plate
- sealing
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Abstract
The utility model discloses a high-temperature high-pressure bidirectional metal hard sealing butterfly valve. The high-temperature high-pressure bidirectional metal hard sealing butterfly valve comprises a valve body, a butterfly plate, a valve body sealing ring, a limiting check block, a butterfly plate sealing ring, an adjustable pressing plate, an upper valve shaft, a lower valve shaft, a high-temperature resistant shaft sleeve and a positioning ring, wherein the butterfly plate is mounted in a valve body shaft neck through the upper valve shaft, the lower valve shaft and the high-temperature resistant shaft sleeve; the valve body sealing ring is mounted in a sliding groove of the valve body; the limiting check block is mounted and welded on the valve body and limits the valve body sealing ring; the butterfly plate sealing ring is mounted in a sliding chute of the butterfly plate; the adjustable pressing plate is mounted on the butterfly plate through adjusting screws; the limiting ring is mounted among the upper valve shaft, the lower valve shaft and the valve body and positions the butterfly plate; the valve body sealing ring is a sliding type metal sealing ring; the butterfly plate sealing ring is an O-shaped elastic metal stainless steel sealing ring. The high-temperature high-pressure bidirectional metal hard sealing butterfly valve disclosed by the utility model has the advantages of being capable of meeting with bidirectional sealing requirements, reliable in sealing performance, suitable for a high-temperature high-pressure environment and long in service life.
Description
Technical field
The utility model relates to a kind of butterfly valve, is specifically related to a kind of high-pressure high-temperature two-way metal hard-sealing butterfly valve.
Background technique
High-pressure high-temperature two-way metal hard-sealing butterfly valve is widely used in, in the industry pipe-line systems such as metallurgy, chemical industry, electric power, playing the effect of blocking or being communicated with medium.In prior art, can not meet the demands two way sealed and can be applicable to High Temperature High Pressure, working life and require farm labourer's condition of conventional metal hard-sealing butterfly valve, has affected user and has had an economic benefit, and other is configured to meet the cost of usage requirement to have increased user add.
Therefore, provide a kind of and can meet two way sealed requirement, sealability is reliable, and the high-pressure high-temperature two-way metal hard-sealing butterfly valve that is applicable to high temperature and high pressure environment and long service life is the technical problem that those skilled in the art need solution badly.
Model utility content
The purpose of this utility model is to provide and a kind ofly can meets two way sealed requirement, and sealability is reliable, is applicable to the high-pressure high-temperature two-way metal hard-sealing butterfly valve of high temperature and high pressure environment and long service life.
In order to realize above-mentioned first object, the utility model provides a kind of high-pressure high-temperature two-way metal hard-sealing butterfly valve, comprise valve body, butterfly plate, valve seals, positive stop, butterfly plate seal ring, regulate pressing plate, upper valve shaft, lower valve shaft, high temperature resistant axle sleeve and positioning ring, described butterfly plate is by described upper valve shaft, described lower valve shaft and described high temperature resistant axle sleeve are arranged in described valve body axle journal, described valve seals is arranged in the slippage slot of described valve body, described positive stop is installed and is welded on described valve body, and form spacing to described valve seals, described butterfly plate seal ring is arranged in the chute of described butterfly plate, described adjusting pressing plate is installed on described butterfly plate by adjusting screw, described positioning ring is arranged on described upper valve shaft, between described lower valve shaft and described valve body, and described butterfly plate is formed to location, described valve seals is sliding metal o-ring, described butterfly plate seal ring is Ο type elastic metallic stainless steel seal ring.
Preferably, also comprise Ω type stainless steel ripple slip joint, described Ω type stainless steel ripple slip joint is installed and is welded between described valve seals and valve body retaining ring notch.
Preferably, the outer end built-up welding of described butterfly plate is processed with cemented carbide auxiliary seal pair.
Preferably, the stainless steel sliding seal ring of described valve seals for adopting stainless steel to make.
Preferably, described high temperature resistant axle sleeve adopts stainless steel nitriding material to make.
Preferably, all parts of described valve inner are metalwork, and the Sealing between part adopts and is applicable to the making of high temperature and high pressure condition high-temperature-resistant high-pressure-resistant material.
Compared with prior art, high-pressure high-temperature two-way metal hard-sealing butterfly valve provided by the utility model has the following advantages:
1, butterfly plate seal ring adopts Ο type elastic metallic stainless steel seal ring, can there is elastic compensating, slippage automatic centering position compensation, bidirectional bearing, and in butterfly plate outer end, be processed with auxiliary seal pair, there is two way sealed function, during installation, be not subject to MEDIA FLOW to restriction, during butterfly valve forward pressure-bearing, by regulating the initial sealing position of butterfly plate elastic seal ring, form suitable seal pressure with valve seals, reach sealing; During butterfly valve reverse pressure-bearing, valve seals slippage under the effect of pressure medium, the bearing strain of compensation butterfly plate, and butterfly plate Ο type stainless steel seal ring is for having elastic compensating effect, resiliently deformable trend valve seals after pressurized, keep forming suitable seal pressure with valve seals, reach sealing, and can carry out sealing compensation adjusting by the adjusting screw on butterfly plate;
2, between valve seals and valve body retaining ring, notch is provided with Ω type stainless steel ripple slip joint, by the interior leakage between Ω type stainless steel ripple slip joint blocked valve body sealing ring and valve body, in the installation of the slippage slot end of valve body, joins and is welded with positive stop;
3, in the built-up welding of butterfly plate outer end, be processed with cemented carbide auxiliary seal secondary, prevent butterfly plate seal ring excessive deformation, as second auxiliary seal;
4, described valve seals is that stainless steel is made, can slippage, be arranged in the slippage slot of valve body, and can high temperature high voltage resistant, described high temperature resistant axle sleeve adopts stainless steel nitriding, and bearing capacity is high, is applicable to high temperature and high pressure condition;
5, all parts of described valve inner are metalwork, Sealing between part is without rubber-like seal element, the element high-temperature-resistant high-pressure-resistant that adopts, be applicable to high temperature and high pressure condition, simultaneously the type selecting of Ω type stainless steel ripple slip joint is applicable to high temperature and high pressure condition, valve resistance to scratch and wear and tear little in opening-closing process, and structural design adopts two eccentric structures, can close tighter and tighter, sealability be reliable, and operational torque is little.
In sum, high-pressure high-temperature two-way metal hard-sealing butterfly valve provided by the utility model, has the two way sealed of meeting requirement, and sealability is reliable, is applicable to the advantage of high temperature and high pressure environment and long service life.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the high-pressure high-temperature two-way metal hard-sealing butterfly valve that the utility model proposes structural representation;
Fig. 2 is the sealing configuration partial structurtes schematic diagram of high-pressure high-temperature two-way metal hard-sealing butterfly valve in Fig. 1.
Embodiment
The purpose of this utility model is to provide and a kind ofly can meets two way sealed requirement, and sealability is reliable, is applicable to the high-pressure high-temperature two-way metal hard-sealing butterfly valve of high temperature and high pressure environment and long service life.
In order to make those skilled in the art understand better the technical solution of the utility model; below in conjunction with accompanying drawing, the utility model is described in detail; the description of this part is only exemplary and explanatory, should not have any restriction to protection domain of the present utility model.
Please refer to Fig. 1 and in conjunction with Fig. 2, in one embodiment, a kind of high-pressure high-temperature two-way metal hard-sealing butterfly valve provided by the utility model, by valve body 1, butterfly plate 8, valve body stainless steel seal ring 4, Ω type stainless steel ripple slip joint 3, positive stop 2, butterfly plate Ο type elastic metallic stainless steel seal ring 5, regulate pressing plate 6, upper valve shaft 7, lower valve shaft 9, high temperature resistant axle sleeve 10 and positioning ring 11 form, high temperature resistant axle sleeve 10 is arranged in valve body 1 axle journal, butterfly plate 8 is by described upper valve shaft 7, described lower valve shaft 9 and described high temperature resistant axle sleeve 10 are arranged in described valve body 1 axle journal, valve seals 4 is arranged in the slippage slot of described valve body 1, Ω type stainless steel ripple slip joint 3 is installed and is welded between described valve seals 4 and valve body 1 retaining ring notch, positive stop 2 is installed and is welded on valve body 1, and form spacing to valve seals 4, butterfly plate seal ring 5 is arranged in the chute of butterfly plate 8, regulate pressing plate 6 to be installed on butterfly plate 8 by adjusting screw, positioning ring 11 is arranged on described upper valve shaft 7, between lower valve shaft 9 and described valve body 1, and butterfly plate 8 is formed to location, valve seals 4 is sliding metal o-ring, butterfly plate seal ring 5 is Ο type elastic metallic stainless steel seal ring, it is secondary that butterfly plate 8 outer end built-up welding are processed with cemented carbide auxiliary seal.
The working principle of above-mentioned high-pressure high-temperature two-way metal hard-sealing butterfly valve is as follows: by drive unit, drive valve shaft 7, lower valve shaft 7 rotations, by upper valve shaft 7, lower valve shaft 7, drive butterfly plate 8 to rotate within the scope of 90 ° simultaneously, make butterfly plate 8 in opening or closed condition, thereby reach the object that is communicated with or blocks medium.
The working principle that above-mentioned high-pressure high-temperature two-way metal hard-sealing butterfly valve is realized two way sealed at pipeline is: during butterfly valve forward pressure-bearing, by regulating pressing plate 6, adjust the initial sealing position decrement of butterfly plate Ο type elastic metallic stainless steel seal ring 5, form suitable seal pressure with valve seals 4 sealing surfaces, reach sealing, butterfly plate 8 outer end cemented carbide auxiliary seal pairs can provide auxiliary seal and limit whole butterfly plate Ο type elastic metallic stainless steel seal ring 5 excessive deformations simultaneously; During butterfly valve reverse pressure-bearing, valve seals 4 is automatic sliding under the effect of pressure medium, 8 bearing strains of compensation butterfly plate, and butterfly plate Ο type elastic metallic stainless steel seal ring 5 has self-alignment and elastic compensating effect, resiliently deformable trend valve seals 4 sealing surfaces after pressurized, keep forming suitable seal pressure with valve seals 4 sealing surfaces, reach sealing, butterfly plate 8 outer end cemented carbide auxiliary seal pairs can provide auxiliary seal and limit whole butterfly plate Ο type elastic metallic stainless steel seal ring 5 excessive deformations simultaneously.Butterfly plate Ο type elastic metallic stainless steel seal ring 5, adopts rolling technology to make, and surface rolling sclerosis, is arranged in the chute of butterfly plate 8, when sealing is adjusted, can carry out sealing compensation adjusting by the adjusting pressing plate 6 on butterfly plate 8; It is secondary that butterfly plate 8 outer end built-up welding are processed with cemented carbide auxiliary seal, prevents butterfly plate seal ring 5 excessive deformations, as second auxiliary seal.
Between valve seals 4 and valve body 1 retaining ring, notch is provided with Ω type stainless steel ripple slip joint 3, by the interior leakage between Ω type stainless steel ripple slip joint 3 blocked valve body sealing rings 4 and valve body 1, in the installation of the slippage slot end of valve body 1, join and be welded with positive stop 2, extremely spacing to the slippage of valve seals 4.
The inner all parts of valve body 1 are metalwork, and the Sealing between part is without rubber-like seal element, the element high-temperature-resistant high-pressure-resistant that adopts, and high temperature resistant axle sleeve 10 adopts stainless steel nitridings, and bearing capacity is high, is applicable to high temperature and high pressure condition; The type selecting of Ω type stainless steel ripple slip joint 3 is applicable to high temperature and high pressure condition simultaneously.
In sum, the disclosed high-pressure high-temperature two-way metal hard-sealing butterfly valve of the present embodiment, has the two way sealed of meeting requirement, and sealability is reliable, is applicable to the advantage of high temperature and high pressure environment and long service life.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation and another entity or control panel to separate, and not necessarily require or imply these entities or operation between exist any this reality relation or order, and, term " comprises ", " comprise " or its any other variant is intended to contain comprising of nonexcludability, thereby make to comprise the process of a series of key elements, method, which key element article or equipment not only comprise, but also comprise other key elements of clearly not listing, or be also included as this process, method, the key element that article or equipment are intrinsic.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises key element and also have other identical element.
Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.The above is only preferred implementation of the present utility model, should be understood that, finiteness due to literal expression, and objectively there is unlimited concrete structure, for those skilled in the art, not departing under the prerequisite of the utility model principle, can also make some improvement, retouching or variation, also above-mentioned technical characteristics can be combined by rights; These improve retouching, change or combination, or without improving, the design of model utility and technological scheme are directly applied to other occasion, all should be considered as protection domain of the present utility model.
Claims (6)
1. a high-pressure high-temperature two-way metal hard-sealing butterfly valve, it is characterized in that, comprise valve body (1), butterfly plate (8), valve seals (4), positive stop (2), butterfly plate seal ring (5), regulate pressing plate (6), upper valve shaft (7), lower valve shaft (9), high temperature resistant axle sleeve (10) and positioning ring (11), described butterfly plate (8) is by described upper valve shaft (7), described lower valve shaft (9) and described high temperature resistant axle sleeve (10) are arranged in described valve body (1) axle journal, described valve seals (4) is arranged in the slippage slot of described valve body (1), described positive stop (2) is installed and is welded on described valve body (1), and form spacing to described valve seals (4), described butterfly plate seal ring (5) is arranged in the chute of described butterfly plate (8), described adjusting pressing plate (6) is installed on described butterfly plate (8) by adjusting screw, described positioning ring (11) is arranged on described upper valve shaft (7), between described lower valve shaft (9) and described valve body (1), and described butterfly plate (8) is formed to location, described valve seals (4) is sliding metal o-ring, described butterfly plate seal ring (5) is Ο type elastic metallic stainless steel seal ring.
2. high-pressure high-temperature two-way metal hard-sealing butterfly valve according to claim 1, it is characterized in that, also comprise Ω type stainless steel ripple slip joint (3), described Ω type stainless steel ripple slip joint (3) is installed and is welded between described valve seals (4) and valve body (1) retaining ring notch.
3. high-pressure high-temperature two-way metal hard-sealing butterfly valve according to claim 1, is characterized in that, it is secondary that described butterfly plate (8) outer end built-up welding is processed with cemented carbide auxiliary seal.
4. high-pressure high-temperature two-way metal hard-sealing butterfly valve according to claim 1, is characterized in that, the stainless steel sliding seal ring of described valve seals (4) for adopting stainless steel to make.
5. high-pressure high-temperature two-way metal hard-sealing butterfly valve according to claim 1, is characterized in that, described high temperature resistant axle sleeve (10) adopts stainless steel nitriding material to make.
6. according to the high-pressure high-temperature two-way metal hard-sealing butterfly valve described in claim 1-5 any one, it is characterized in that, the inner all parts of described valve body (1) are metalwork, and the Sealing between part adopts and is applicable to the making of high temperature and high pressure condition high-temperature-resistant high-pressure-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479755.5U CN203463678U (en) | 2013-08-07 | 2013-08-07 | High-temperature high-pressure bidirectional metal hard sealing butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320479755.5U CN203463678U (en) | 2013-08-07 | 2013-08-07 | High-temperature high-pressure bidirectional metal hard sealing butterfly valve |
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| Publication Number | Publication Date |
|---|---|
| CN203463678U true CN203463678U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320479755.5U Expired - Fee Related CN203463678U (en) | 2013-08-07 | 2013-08-07 | High-temperature high-pressure bidirectional metal hard sealing butterfly valve |
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| CN (1) | CN203463678U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508634A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Two-way metal hard-sealed butterfly valve |
| CN107355548A (en) * | 2017-08-15 | 2017-11-17 | 王中杰 | The butterfly valve of double plate double-valve-seat bidirectional metal sealings |
| CN107763241A (en) * | 2017-11-28 | 2018-03-06 | 西铁阀门科技有限公司 | The universal automatic compensation valve seat side valve cap-type valve of Bidirectional pressure |
| CN107842628A (en) * | 2017-11-28 | 2018-03-27 | 西铁阀门科技有限公司 | The universal automatic compensation valve seat pressure plate type valve of Bidirectional pressure |
| RU205094U1 (en) * | 2021-03-18 | 2021-06-28 | Общество с ограниченной ответственностью "ЧелябинскСпецГражданСтрой" | Triple eccentric butterfly valve |
-
2013
- 2013-08-07 CN CN201320479755.5U patent/CN203463678U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508634A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Two-way metal hard-sealed butterfly valve |
| CN107355548A (en) * | 2017-08-15 | 2017-11-17 | 王中杰 | The butterfly valve of double plate double-valve-seat bidirectional metal sealings |
| CN107763241A (en) * | 2017-11-28 | 2018-03-06 | 西铁阀门科技有限公司 | The universal automatic compensation valve seat side valve cap-type valve of Bidirectional pressure |
| CN107842628A (en) * | 2017-11-28 | 2018-03-27 | 西铁阀门科技有限公司 | The universal automatic compensation valve seat pressure plate type valve of Bidirectional pressure |
| CN107763241B (en) * | 2017-11-28 | 2023-09-01 | 西铁阀门科技有限公司 | Bidirectional pressure universal automatic compensation valve seat side valve cover type valve |
| CN107842628B (en) * | 2017-11-28 | 2023-09-01 | 西铁阀门科技有限公司 | Two-way pressure universal automatic compensation valve seat pressure plate type valve |
| RU205094U1 (en) * | 2021-03-18 | 2021-06-28 | Общество с ограниченной ответственностью "ЧелябинскСпецГражданСтрой" | Triple eccentric butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20180807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |