CN108843797A - A kind of sequential pressurizing engine special-purpose high temperature butterfly valve - Google Patents
A kind of sequential pressurizing engine special-purpose high temperature butterfly valve Download PDFInfo
- Publication number
- CN108843797A CN108843797A CN201810611089.3A CN201810611089A CN108843797A CN 108843797 A CN108843797 A CN 108843797A CN 201810611089 A CN201810611089 A CN 201810611089A CN 108843797 A CN108843797 A CN 108843797A
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- China
- Prior art keywords
- valve
- hole
- valve body
- plate
- valve shaft
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- 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.)
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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
- F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The present invention relates to a kind of sequential pressurizing engine special-purpose high temperature butterfly valve, including valve body, there are two valve seats for the valve inner setting, valve shaft is provided among two valve seats, it is fixed with valve plate in the middle part of valve shaft, sealing ring is provided on valve plate, valve plate is formed by the rotation of valve shaft and valve seat and sealed；Two valve seats are semicircular ring platform structure, the side wall with valve body round tube hole is solidified as a whole respectively, and two complementary semicircle circular steps that interlock are constituted with valve body round tube hole, its opposite step surface is located at the two sides in valve shaft hole and perpendicular to the side wall of valve body round tube hole, and the rotational symmetry centered on the axis in valve shaft hole.The beneficial effects of the invention are as follows：It is sealed using the plane of high-temperature resistant seal ring and valve seat on valve plate, allows to can effectively eliminate the influence expanded with heat and contract with cold there are biggish gap between valve body and valve plate, using can adjust elastic filler assembly, can effectively extend butterfly valve service life.
Description
Technology leads city
The present invention relates to a kind of high temperature butterfly valve, especially a kind of sequential pressurizing engine special-purpose high temperature butterfly valve.
Background technique
Butterfly valve refers to that closure member is disc-shape, and a kind of valve of open and close is reached around 90 ° of valve shaft reciprocating rotary
Door.Existing butterfly valve is fixed on sealing ring on butterfly valve plate, valve seat and the equal Precision Machining of sealing ring, operating mechanism band when use
Dynamic valve plate rotates sealing ring with valve plate and is bonded compression realization valve seal with valve base inner wall.Such common butterfly valve application
When to sequential pressurizing engine charge pipeline, since Engine Inlet Temperature can reach 250 ° or more after pressurization, valve plate by
Thermal expansion and inner hole becomes smaller after valve seat is heated, will lead to valve plate and valve seat be stuck, butterfly valve is made to fail.Therefore, it is necessary to design one kind
New structure, to solve this problem.
Summary of the invention
The purpose of the present invention is to propose to a kind of sequential pressurizing engine special-purpose high temperature butterfly valves, overcome original butterfly valve to be heated swollen
After swollen the problem of easy stuck failure.
The present invention uses following technical scheme, a kind of sequential pressurizing engine special-purpose high temperature butterfly valve, including valve body, described
Valve inner setting is provided with valve shaft, is fixed with valve plate in the middle part of valve shaft, is provided on valve plate there are two valve seat among two valve seats
Sealing ring, valve plate are formed by the rotation of valve shaft and valve seat and are sealed；Round tube hole, round tube hole surrounding are provided in the middle part of the valve body
There are four installation through-hole, the side walls of round tube hole to be provided centrally with perpendicular to round tube hole axis and penetrate through the valve shaft of entire valve body for setting
The valve body two sides in hole, valve shaft hole both ends are provided with threaded hole；Two valve seats are semicircular ring platform structure, respectively with
The side wall of valve body round tube hole is solidified as a whole, and constitutes two complementary semicircle circular steps that interlock, phase with valve body round tube hole
Pair step surface be located at the two sides in valve shaft hole and perpendicular to the side wall of valve body round tube hole, and centered on the axis in valve shaft hole
Symmetrically.
The valve shaft is two-part structure, and opposite one end is respectively arranged with the tapped through hole to install valve plate,
Valve shaft passes through the valve shaft hole of valve body and cooperates with valve shaft interporal lacuna, and one end of valve shaft is concordant with valve body and is matched with refractory seals pad
Pressing plate for sealing is closed, pressing plate is fixedly connected with the valve body with the threaded hole of two fastening bolt cooperation valve bodies, and the other end of valve shaft stretches out
Valve body is sealed with filler assembly.
The valve plate is round plate, is provided with two installation through-holes matched with valve shaft tapped through hole, is led to
It crosses screw to be connected between two sections of valve shafts, the boss around circumference is additionally provided at the cylindrical surface center of valve plate.
The sealing ring is plane annular circle, and thickness is more than or equal to the thickness of valve plate, is arranged at annular inner wall center
There is the annular groove matched with valve plate cylindrical surface boss, material is vulcanized rubber.
The filler assembly includes filler, and the filler is soft graphite washer, be located at valve shaft and valve body hole it
Between, it is provided with filler pressing sleeve on filler, hold-down grid is provided on filler pressing sleeve, hold-down grid is passed through valve shaft and compressed with two
The threaded hole of bolt cooperation valve body is connect with valve body, is additionally provided with locking nut on two hold-down bolts.
The beneficial effects of the invention are as follows：It is coated on around valve plate with vulcanized rubber sealing ring, by the biggish elasticity of rubber
Deformation forms reliable end face seal with valve seat, not only avoids conventional butterfly valve risk stuck under 300 ° or so high temperature, and
And can reduce the machining accuracy of valve body and valve seat, reliable sealing can be realized under lower precision；Filler assembly is ground in filler
Compression filler can be repeatedly segmented after damage, locking nut therein can also adjust the pressing force of hold-down grid, avoid filler with
Valve shaft clamping stagnation can effectively extend butterfly valve service life.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is vertical profile structural schematic diagram of the invention.
In figure：1, valve body, 2, sealing ring, 3, valve plate, 4, valve seat, 5, locking nut, 6, hold-down grid, 7, hold-down bolt,
8, valve shaft, 9, filler pressing sleeve, 10, filler.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings：
As shown in Figure 1 and Figure 2, a kind of sequential pressurizing engine special-purpose high temperature butterfly valve, including valve body 1 are set inside the valve body 1
It sets there are two valve seat 4, is provided with valve shaft 8 among two valve seats 4, valve plate 3 is fixed in the middle part of valve shaft 8, sealing is provided on valve plate 3
Circle 2, valve plate 3 are formed by the rotation of valve shaft 8 and valve seat 4 and are sealed；Round tube hole, round tube hole four are provided in the middle part of the valve body 1
There are four installation through-hole, the side wall of round tube hole is provided centrally with perpendicular to round tube hole axis and penetrates through entire valve body 1 for week setting
1 two sides of valve body in valve shaft hole, valve shaft hole both ends are provided with threaded hole；Two valve seats 4 are semicircular ring platform structure,
The side wall with 1 round tube hole of valve body is solidified as a whole respectively, and constitutes two cyclic annular platforms of complementary semicircle that interlock with 1 round tube hole of valve body
Rank, opposite step surface are located at the two sides in valve shaft hole and perpendicular to the side walls of 1 round tube hole of valve body, and with the axis in valve shaft hole
Rotational symmetry centered on line.
The valve shaft 8 is two-part structure, and the screw thread that opposite one end is respectively arranged with to install valve plate 3 leads to
Hole, valve shaft 8 pass through the valve shaft hole of valve body 1 and cooperate with valve shaft interporal lacuna, and one end of valve shaft 8 is concordant with valve body 1 and with high temperature resistant
Gasket cooperates pressing plate for sealing, and pressing plate is fixedly connected with the threaded hole of two fastening bolt cooperation valve bodies 1 with valve body 1, valve shaft 8
The other end stretches out valve body 1, is sealed with filler assembly.
The valve plate 3 is round plate, is provided with two installation through-holes matched with 8 tapped through hole of valve shaft,
It is connected between two sections of valve shafts 8 by screw, the boss around circumference is additionally provided at the cylindrical surface center of valve plate 3, boss
Internal diameter is less than the internal diameter of valve seat 4, and the outer diameter of boss is greater than the internal diameter of valve seat 4 and is less than the internal diameter of 1 round tube hole of valve body, guarantees valve plate
3 are interfered with projection section and valve seat 4, and other parts do not contact.
The sealing ring 2 is plane annular circle, and thickness is more than or equal to the thickness of valve plate, because there is elasticity, in this way may be used
To guarantee to form effective flat seal, the annular matched with 3 cylindrical surface boss of valve plate is provided at annular inner wall center
Groove coats the boss of valve plate 3 completely, to realize the sealing between valve plate and valve seat by sealing ring；Its material is sulphur
Change rubber, 300 or so high temperature can be resistant to.
The filler assembly includes filler 10, and the filler 10 is soft graphite washer, is located at valve shaft 8 and valve body 1
Between hole, it is provided with filler pressing sleeve 9 on filler 10, hold-down grid 6 is provided on filler pressing sleeve 9, hold-down grid 6 passes through valve shaft
8 and cooperate the threaded hole of valve bodies 1 to connect with valve body 1 with two hold-down bolts 7, is additionally provided with locking screw on two hold-down bolts 7
Mother 5.When filler pressing sleeve 9 compresses downwards graphite gasket, washer and 8 gap of valve shaft reduce, and play the role of sealing；Locking nut 5
The power that adjustable hold-down grid 6 compresses downwards, and play fixed effect.
The principle of the present invention is：It is sealed using the plane of high-temperature resistant seal ring and valve seat on valve plate, allows valve body
There are biggish gap between valve plate, the influence expanded with heat and contract with cold can effectively eliminate, using can adjust elastic filler assembly,
Butterfly valve service life can effectively be extended.
Part not in the detailed description of the invention is the prior art.
Claims (5)
1. a kind of sequential pressurizing engine special-purpose high temperature butterfly valve, it is characterized in that：Including valve body, the valve inner is provided with two
A valve seat is provided with valve shaft among two valve seats, is fixed with valve plate in the middle part of valve shaft, sealing ring is provided on valve plate, valve plate passes through
The rotation of valve shaft and valve seat, which are formed, to be sealed；Round tube hole is provided in the middle part of the valve body, there are four installations for the setting of round tube hole surrounding
Through-hole, the side wall of round tube hole are provided centrally with perpendicular to round tube hole axis and penetrate through the valve shaft hole of entire valve body, valve shaft hole both ends
Valve body two sides be provided with threaded hole；Two valve seats are semicircular ring platform structure, respectively with valve body round tube hole
Side wall is solidified as a whole, and constitutes two complementary semicircle circular steps that interlock, opposite step surface point with valve body round tube hole
Not Wei Yu valve shaft hole two sides and perpendicular to the side wall of valve body round tube hole, and centered on the axis in valve shaft hole rotational symmetry.
2. a kind of sequential pressurizing engine special-purpose high temperature butterfly valve according to claim 1, it is characterized in that：The valve shaft is
Two-part structure, opposite one end are respectively arranged with the tapped through hole to install valve plate, and valve shaft passes through the valve shaft hole of valve body
And cooperate with valve shaft interporal lacuna, one end of valve shaft is concordant with valve body and cooperates pressing plate for sealing with refractory seals pad, and pressing plate is with two
The threaded hole of a fastening bolt cooperation valve body is fixedly connected with the valve body, and the other end of valve shaft stretches out valve body, is carried out with filler assembly
Sealing.
3. a kind of sequential pressurizing engine special-purpose high temperature butterfly valve according to claim 1, it is characterized in that：The valve plate is
Round plate, is provided with two installation through-holes matched with valve shaft tapped through hole, is connected in two sections of valve shafts by screw
Between, the boss around circumference is additionally provided at the cylindrical surface center of valve plate.
4. a kind of sequential pressurizing engine special-purpose high temperature butterfly valve according to claim 1, it is characterized in that：The sealing ring
For plane annular circle, thickness is more than or equal to the thickness of valve plate, is provided with and valve plate cylindrical surface boss phase at annular inner wall center
The annular groove of cooperation, material are vulcanized rubber.
5. a kind of according to claim 1, sequential pressurizing engine special-purpose high temperature butterfly valve as claimed in claim 2, it is characterized in that：Institute
Stating filler assembly includes filler, and the filler is that soft graphite washer is set on filler between valve shaft and the hole of valve body
It is equipped with filler pressing sleeve, hold-down grid is provided on filler pressing sleeve, hold-down grid passes through valve shaft and cooperates valve with two hold-down bolts
The threaded hole of body is connect with valve body, is additionally provided with locking nut on two hold-down bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611089.3A CN108843797A (en) | 2018-06-14 | 2018-06-14 | A kind of sequential pressurizing engine special-purpose high temperature butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611089.3A CN108843797A (en) | 2018-06-14 | 2018-06-14 | A kind of sequential pressurizing engine special-purpose high temperature butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108843797A true CN108843797A (en) | 2018-11-20 |
Family
ID=64201731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810611089.3A Pending CN108843797A (en) | 2018-06-14 | 2018-06-14 | A kind of sequential pressurizing engine special-purpose high temperature butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108843797A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2789820C1 (en) * | 2022-04-12 | 2023-02-10 | Акционерное общество "Конструкторское бюро химического машиностроения имени А.М. Исаева" | Valve seal |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134822A (en) * | 1978-04-13 | 1979-10-19 | Tomoe Gijutsu Kenkyusho | Butterfly valve having sheet ring equipped with auxiliary seal |
| CN2044305U (en) * | 1988-11-21 | 1989-09-13 | 黄运发 | Butterfly valve |
| JPH06213335A (en) * | 1993-01-21 | 1994-08-02 | Fuji Oozx Inc | Valve device for control of high temperature gas |
| JPH09329248A (en) * | 1996-06-11 | 1997-12-22 | Kubota Corp | Butterfly valve |
| CN201028004Y (en) * | 2007-04-18 | 2008-02-27 | 汤仁义 | Tri-eccentric multilayer sealing butterfly valve |
| CN201396449Y (en) * | 2008-11-27 | 2010-02-03 | 陈秀林 | Labyrinth seal butterfly valve |
| CN104879508A (en) * | 2015-05-27 | 2015-09-02 | 中国船舶重工集团公司第七一一研究所 | High-reliability high-temperature buttery valve and application of butterfly valve on marine diesel engine |
-
2018
- 2018-06-14 CN CN201810611089.3A patent/CN108843797A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54134822A (en) * | 1978-04-13 | 1979-10-19 | Tomoe Gijutsu Kenkyusho | Butterfly valve having sheet ring equipped with auxiliary seal |
| CN2044305U (en) * | 1988-11-21 | 1989-09-13 | 黄运发 | Butterfly valve |
| JPH06213335A (en) * | 1993-01-21 | 1994-08-02 | Fuji Oozx Inc | Valve device for control of high temperature gas |
| JPH09329248A (en) * | 1996-06-11 | 1997-12-22 | Kubota Corp | Butterfly valve |
| CN201028004Y (en) * | 2007-04-18 | 2008-02-27 | 汤仁义 | Tri-eccentric multilayer sealing butterfly valve |
| CN201396449Y (en) * | 2008-11-27 | 2010-02-03 | 陈秀林 | Labyrinth seal butterfly valve |
| CN104879508A (en) * | 2015-05-27 | 2015-09-02 | 中国船舶重工集团公司第七一一研究所 | High-reliability high-temperature buttery valve and application of butterfly valve on marine diesel engine |
Non-Patent Citations (1)
| Title |
|---|
| 汪子云译: "《软质密封填料》", 31 July 1965, 中国工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2789820C1 (en) * | 2022-04-12 | 2023-02-10 | Акционерное общество "Конструкторское бюро химического машиностроения имени А.М. Исаева" | Valve seal |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |
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| RJ01 | Rejection of invention patent application after publication |