CN201326750Y - Triple eccentric high-pressure metal seal butterfly valve - Google Patents
Triple eccentric high-pressure metal seal butterfly valve Download PDFInfo
- Publication number
- CN201326750Y CN201326750Y CNU2008202174135U CN200820217413U CN201326750Y CN 201326750 Y CN201326750 Y CN 201326750Y CN U2008202174135 U CNU2008202174135 U CN U2008202174135U CN 200820217413 U CN200820217413 U CN 200820217413U CN 201326750 Y CN201326750 Y CN 201326750Y
- Authority
- CN
- China
- Prior art keywords
- valve
- transmission shaft
- valve body
- fluid inlet
- seat
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to a triple eccentric high-pressure metal seal butterfly valve. A transmission shaft is connected in a valve body in a sealing and rotating manner; a fluid inlet and a fluid outlet are formed on the valve body; and the fluid inlet is communicated with the fluid outlet through a valve cavity. A tubular valve plate is fixed on a transmission shaft in the valve cavity; a valve seat is fixed on the valve body at the fluid inlet through a pressing ring; a valve plate sealing ring which is matched with the valve seat in an intermittent sealing manner is fixed on the valve plate through a sealing ring pressure plate; and the axis of the valve plate and the axis of the transmission shaft are arranged eccentrically. One end part of the valve plate sealing ring is provided with a first inclined-surface sealing ring, and a second inclined-surface sealing ring which is matched with the first inclined-surface sealing ring is arranged at an end part of the valve seat provided with the first inclined-surface sealing ring. The valve seat adopts a component cut from a hollow cone cylinder through two parallel planes which are perpendicular to a bus line of the hollow cone cylinder. The fluid inlet and the fluid outlet are formed coaxially. The included angle among the rotation axis of the valve seat and the axes of the fluid inlet and the fluid outlet of the valve body is 12-14 degrees.
Description
Technical field
The utility model relates to and a kind ofly mainly is applicable on oil, chemical industry, generating, metallurgy and the district heating system water channel pipeline as the valve of regulating and the equipment that dams uses especially a kind of three eccentric high-pressure metal seal butterfly valves.
Background technique
In the existing technology, particularly in industrial fluids power conduit system, valve is primary element of realizing whole system automation control.What its assurance system controlled is safe, instant and effective, central topmost factor is the adjusting of pressure, speed and the operation of flow control valve, particularly under High Temperature High Pressure, and can not cause the infringement of valve body and system under any operation, be the problem place that this field domestic demand solves.
The sealing surface of traditional metallic sealing butterfly valve seals by positive extruding, and the valve plate of this type of butterfly valve very easily causes the wearing and tearing and the scuffing of sealing surface when opening rotation, will cause seal failure when serious.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, no any friction between the sealing surface on a kind of valve seat and the valve plate seal ring is provided, has removed wearing and tearing and the possibility of leaking, increases the service life, improve three eccentric high-pressure metal seal butterfly valves of sealability.
The technological scheme that provides according to the utility model, described three eccentric high-pressure metal seal butterfly valves, be included in the transmission shaft that sealed rotational connects in the valve body, one end of transmission shaft stretches out valve body, on valve body, offer fluid inlet and fluid output, be communicated with by valve pocket between fluid inlet and the fluid output, be fixed with the valve plate of tubulose on the transmission shaft in valve pocket, on the valve body at fluid inlet place, be fixed with valve seat by trim ring, on valve plate, be fixed with the valve plate seal ring that is sealed and matched with valve seat discontinuity by the seal ring pressing plate, the axis of described valve plate and drive shaft axis are eccentric and are provided with, and valve plate seal ring one end is provided with the first sealing inclined plane ring, be provided with the second sealing inclined plane ring that cooperates with the first sealing inclined plane ring in valve seat one end with first sealing inclined plane ring, described valve seat is a hollow cone by two parallel mutually and members that intercept perpendicular to the plane of a bus of cone, fluid inlet is coaxial with fluid output, and the rotational axis of valve seat becomes 12～14 ° angle with the fluid inlet of valve body with the fluid output axis.
The valve seat rotational axis becomes 13 ° angle with the fluid inlet of valve body with the fluid output axis.
On the valve body below the valve pocket, be provided with and be convenient to the bottom through hole that transmission shaft inserts, be provided with lining down, on the transmission shaft above the following lining, be with position limit cycle, on valve body, be provided with the end flange of the top through hole of shutoff valve body at transmission shaft bottom outer wall.
On the valve body above the valve pocket, be provided with and be convenient to the top through hole that transmission shaft inserts, be with lining at the transmission shaft outer wall above the valve pocket, transmission shaft outer wall above last lining is with Packing seat, transmission shaft above described Packing seat is provided with between the upper and lower every the graphite packing that is provided with, on the transmission shaft between two graphite packings, be with the filler spacer, on the transmission shaft above the filler spacer, be with Gland the top through hole shutoff of valve body.
No any friction between the sealing surface on valve seat in the utility model and the valve plate seal ring, the possibility of having removed wearing and tearing and having leaked.Well solve mechanical wear and the scratch between butterfly valve two sealing surfaces when opening and closing of traditional eccentric-butterfly-valve, greatly prolonged working life, improved sealability.
Description of drawings
Fig. 1 is an outline drawing of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in the figure: the utility model mainly is made of transmission shaft 1, Gland 2, filler spacer 3, graphite packing 4, Packing seat 5, last lining 6, valve body 7, valve plate 8, position limit cycle 9, following lining 10, end flange 11, trim ring 12, valve seat 13, valve plate seal ring 14 and seal ring pressing plate 15 etc.
Of the present utility model three eccentric high-pressure metal seal butterfly valves, be included in the transmission shaft 1 that sealed rotational connects in the valve body 7, one end of transmission shaft 1 stretches out valve body 7, on valve body 7, offer fluid inlet 16 and fluid output 17, be communicated with by valve pocket 18 between fluid inlet 16 and the fluid output 17, be fixed with the valve plate 8 of tubulose on the transmission shaft 1 in valve pocket 18, on the valve body 7 at fluid inlet 16 places, be fixed with valve seat 13 by trim ring 12, on valve plate 8, be fixed with the valve plate seal ring 14 that is sealed and matched with valve seat 13 discontinuity by seal ring pressing plate 15, the axis of described valve plate 8 and transmission shaft 1 axis are eccentric and are provided with, and valve plate seal ring 14 1 ends are provided with the first sealing inclined plane ring 14a, be provided with the second sealing inclined plane ring 13a that cooperates with the first sealing inclined plane ring 14a in valve seat 13 1 ends with first sealing inclined plane ring 14a, described valve seat 13 is an open circles stage body by two parallel mutually and members that intercept perpendicular to the plane of a bus of Rotary-table, fluid inlet 16 is coaxial with fluid output 17, and the rotational axis of valve seat 13 becomes 12～14 ° angle β with the fluid inlet 16 of valve body 7 with fluid output 17 axis.
On the valve body below the valve pocket 18 7, be provided with and be convenient to the bottom through hole that transmission shaft 1 inserts, be provided with lining 10 down at transmission shaft 1 bottom outer wall, on the transmission shaft 1 above the following lining 10, be with position limit cycle 9, on valve body 7, be provided with the end flange 11 of the top through hole of shutoff valve body 7.
On the valve body above the valve pocket 18 7, be provided with and be convenient to the top through hole that transmission shaft 1 inserts, be with lining 6 at 1 outer wall of the transmission shaft above the valve pocket 18, transmission shaft 1 outer wall above last lining 6 is with Packing seat 5, transmission shaft 1 above described Packing seat 5 is provided with between the upper and lower every the graphite packing 4 that is provided with, on the transmission shaft 1 between two graphite packings 4, be with filler spacer 3, on the transmission shaft above the filler spacer 31, be with Gland 2 the top through hole shutoff of valve body 7.
The valve plate 8 of three eccentric high-pressure metal seal butterfly valves connects by transmission shaft 1, be installed in valve body 7 passages, and be pressed in the valve plate seal ring 14 on the valve plate 8 and form sealing pairs, lining 6, Packing seat 5, graphite packing 4, filler spacer 3, graphite packing 4, Gland 2 on packing into successively on valve body 7 tops with the valve seat 13 that trim ring 12 is pressed on the valve body 7 with seal ring pressing plate 15.Position limit cycle 9 is installed in and prevents its play on the transmission shaft 1.At last end flange 11 is connected on the valve body 7, prevents its leakage.
Working principle of the present utility model and working procedure:
Claims (4)
1, a kind of three eccentric high-pressure metal seal butterfly valves, be included in the transmission shaft (1) that the interior sealed rotational of valve body (7) connects, one end of transmission shaft (1) stretches out valve body (7), on valve body (7), offer fluid inlet (16) and fluid output (17), be communicated with by valve pocket (18) between fluid inlet (16) and the fluid output (17), be fixed with the valve plate (8) of tubulose on the transmission shaft (1) in valve pocket (18), the valve body of locating at fluid inlet (16) (7) upward is fixed with valve seat (13) by trim ring (12), upward be fixed with the valve plate seal ring (14) that is sealed and matched with valve seat (13) discontinuity at valve plate (8) by seal ring pressing plate (15), it is characterized in that: the axis of described valve plate (8) and transmission shaft (1) axis are eccentric and are provided with, and valve plate seal ring (14) one ends are provided with the first sealing inclined plane ring (14a), be provided with the second sealing inclined plane ring (13a) that cooperates with the first sealing inclined plane ring (14a) in valve seat (13) one ends with first sealing inclined plane ring (14a), described valve seat (13) is an open circles stage body by two parallel mutually and members that intercept perpendicular to the plane of a bus of Rotary-table, fluid inlet (16) is coaxial with fluid output (17), and the rotational axis of valve seat (13) becomes 12～14 ° angle with the fluid inlet (16) of valve body (7) with fluid output (17) axis.
2, as claimed in claim 1 three eccentric high-pressure metal seal butterfly valves is characterized in that: valve seat (13) rotational axis becomes 13 ° angle with the fluid inlet (16) of valve body (7) with fluid output (17) axis.
3, as claimed in claim 1 three eccentric high-pressure metal seal butterfly valves, it is characterized in that: on the valve body (7) of valve pocket (18) below, be provided with and be convenient to the bottom through hole that transmission shaft (1) inserts, be provided with lining (10) down at transmission shaft (1) bottom outer wall, on the transmission shaft (1) of following lining (10) top, be with position limit cycle (9), on valve body (7), be provided with the end flange (11) of the top through hole of shutoff valve body (7).
4, as claimed in claim 1 three eccentric high-pressure metal seal butterfly valves, it is characterized in that: on the valve body (7) of valve pocket (18) top, be provided with and be convenient to the top through hole that transmission shaft (1) inserts, transmission shaft (1) outer wall in valve pocket (18) top is with lining (6), transmission shaft (1) outer wall in last lining (6) top is with Packing seat (5), transmission shaft (1) in described Packing seat (5) top is provided with between the upper and lower every the graphite packing (4) that is provided with, on the transmission shaft (1) between two graphite packings (4), be with filler spacer (3), on the transmission shaft (1) of filler spacer (3) top, be with Gland (2) the top through hole shutoff of valve body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202174135U CN201326750Y (en) | 2008-11-20 | 2008-11-20 | Triple eccentric high-pressure metal seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202174135U CN201326750Y (en) | 2008-11-20 | 2008-11-20 | Triple eccentric high-pressure metal seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201326750Y true CN201326750Y (en) | 2009-10-14 |
Family
ID=41178723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202174135U Expired - Lifetime CN201326750Y (en) | 2008-11-20 | 2008-11-20 | Triple eccentric high-pressure metal seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201326750Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956831A (en) * | 2010-10-11 | 2011-01-26 | 无锡智能自控工程有限公司 | Solid metal three-eccentric butterfly valve |
| CN102330842A (en) * | 2011-10-22 | 2012-01-25 | 无锡智能自控工程有限公司 | Valve rod sealing structure for cryogenic butterfly valve under ultralow temperature working condition |
| CN102943885A (en) * | 2012-11-10 | 2013-02-27 | 无锡智能自控工程股份有限公司 | Bi-directional sealing elastic tri-eccentric butterfly valve |
| CN106195388A (en) * | 2016-09-13 | 2016-12-07 | 航天长征化学工程股份有限公司 | Three-eccentric butterfly valve |
-
2008
- 2008-11-20 CN CNU2008202174135U patent/CN201326750Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956831A (en) * | 2010-10-11 | 2011-01-26 | 无锡智能自控工程有限公司 | Solid metal three-eccentric butterfly valve |
| CN102330842A (en) * | 2011-10-22 | 2012-01-25 | 无锡智能自控工程有限公司 | Valve rod sealing structure for cryogenic butterfly valve under ultralow temperature working condition |
| CN102943885A (en) * | 2012-11-10 | 2013-02-27 | 无锡智能自控工程股份有限公司 | Bi-directional sealing elastic tri-eccentric butterfly valve |
| CN106195388A (en) * | 2016-09-13 | 2016-12-07 | 航天长征化学工程股份有限公司 | Three-eccentric butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201326750Y (en) | Triple eccentric high-pressure metal seal butterfly valve | |
| CN110671502B (en) | Water hammer resistant stop valve | |
| CN105508720A (en) | Corrugated pipe stop valve for photo-thermal electricity generation fused salt | |
| CN101737503B (en) | Self-balancing stop valve with piston type valve core and hidden rod | |
| CN211039763U (en) | High-temperature high-pressure hard sealing ball valve | |
| CN203322297U (en) | Elastic self-sealing butterfly valve | |
| CN107654674A (en) | A kind of valve with triangle seal configuration of adjustable easy care | |
| CN2339825Y (en) | Sealing type stop-valve for corrugated pipe | |
| CN210531618U (en) | Pneumatic stop valve for high-pressure oxygen | |
| CN206234455U (en) | Stop valve | |
| CN206958265U (en) | A kind of stop valve of service life length | |
| CN202629107U (en) | Soft-sealed triple eccentric butterfly valve | |
| CN101413594A (en) | High pressure uploading adjustment cut-off type sealed ball valve | |
| CN208546533U (en) | Multiple-layer metal sealed butterfly valve | |
| CN2929377Y (en) | Vacuum butterfly valve | |
| CN205371655U (en) | Ultra -low temperature butterfly valve | |
| CN205036870U (en) | Tri -eccentric multilayer sealing butterfly valve | |
| CN206429693U (en) | Floating ball valve is filled in one kind | |
| CN219888786U (en) | Axial sealing floating ball valve | |
| CN214500219U (en) | Sealing structure for valve shaft of butterfly valve | |
| CN2694067Y (en) | Fluoroplastic full-lining ball valve special for alkali-chloride | |
| CN203823081U (en) | Novel high-pressure, two-position, two-way and right angle straight-through type mechanical gas control valve | |
| CN205331476U (en) | Metal seal abrasion -proof ball valve | |
| CN2663751Y (en) | On-line maintenance pipeline ball valve | |
| CN104235392A (en) | Elastic self-sealing butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI SMART AUTO-CONTROL ENGINEERING CO., LTD. Free format text: FORMER NAME: WUXIN INTELLIGENT AUTOMATIC CONTROL ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee after: Wuxi Smart Auto-Control Engineering Co., Ltd. Address before: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee before: Wuxin Intelligent Automatic Control Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091014 |
|
| CX01 | Expiry of patent term |