CN205745346U - A kind of heavy caliber low-load double eccentric butterfly valve - Google Patents
A kind of heavy caliber low-load double eccentric butterfly valve Download PDFInfo
- Publication number
- CN205745346U CN205745346U CN201620639236.4U CN201620639236U CN205745346U CN 205745346 U CN205745346 U CN 205745346U CN 201620639236 U CN201620639236 U CN 201620639236U CN 205745346 U CN205745346 U CN 205745346U
- Authority
- CN
- China
- Prior art keywords
- valve
- sealing ring
- axle
- valve plate
- heavy caliber
- 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.)
- Active
Links
Landscapes
- Lift Valve (AREA)
Abstract
A kind of heavy caliber low-load double eccentric butterfly valve, valve plate is installed in described valve body on the axle of rotary setting, sealing ring is arranged on valve plate, sealing ring is close to valve body and realizes sealing, it is characterized in that: described valve plate is installed on valve body by the first axle and the second axle, seal ring gasket is installed between described valve plate and sealing ring, described sealing ring is fixed on valve plate by screw, described sealing ring is near being provided with an annular groove on the position of sealing surface of seat, position corresponding with groove on described valve plate is provided with a boss, groove and boss matched in clearance.This utility model provides a kind of economy, the double core shift butterfly valve of light heavy caliber low-load, the metallic packing ring with special construction ensure that its water leakage meets ANSI Class V, the structure of metal sealing is also that its temperature range being suitable for is wider, axial installation have employed the design of upper and lower material filling type, the valve jam effectively preventing tiny particulate matter from entering axle side and to cause, improves the service life of butterfly valve.
Description
Technical field
This utility model relates to a kind of butterfly valve, is specifically related to a kind of heavy caliber low-load double eccentric butterfly valve.
Background technology
In existing market, the application of valve is very extensive, and butterfly valve is applicable to producer, coal gas, natural gas, liquefied petroleum
The engineering systems such as gas, town gas, air, chemical industry smelting and generation environment-friendly carry various corrosivity, non-aggressive stream
On the pipeline of body medium, for regulating and block the flowing of medium, the valve of similar application have centre-pivoted butterfly valve, single eccentric-butterfly-valve,
Three-eccentric-butterfly-valve etc..
In the large-scale plants such as metallurgy, petrochemical industry, Coal Chemical Industry, high-temperature light-load butterfly valve uses more and more frequent.Due to medium
The generally high-temperature flue gas of band soot particulates, after using a period of time, the gap location between valve rod and valve body easily piles up flue dust
Granule, and easily produce the imagination that hardens in the case of a high temperature, causes that valve is stuck cannot be used.Publication No.
The patent of CN204729648U discloses the light-load regulating butterfly valve of a kind of band blow device, and it is provided with purging front and back at spindle nose
Mouthful, blow valve port and Taper Pipe ferrule fitting, its compartment time purges at spindle nose, but it belongs to centre-pivoted butterfly valve, center line butterfly
Must leave gap between valve body and the valve plate of valve, interfere with body cavity during to prevent valve plate from rotating, centre-pivoted butterfly valve is because of it
Water leakage is uncontrollable, can only be used to the occasion of the coarse adjustment such as air, flue gas.
Utility model content
This utility model aims to provide a kind of heavy caliber low-load double eccentric butterfly valve, and it is that a kind of cost of manufacture is low, regulates
Flow accuracy height, good seal performance, the double eccentric butterfly valve of length in service life.
In order to solve the problems referred to above, the heavy caliber low-load double eccentric butterfly valve that this utility model provides have employed following skill
Art scheme:
A kind of heavy caliber low-load double eccentric butterfly valve, including valve body, valve plate, sealing ring, valve plate is installed in described valve body
On the axle of rotary setting, sealing ring is arranged on valve plate, and sealing ring is close to valve body and realizes sealing, it is characterised in that: described
Axle includes the first axle and the second axle, and described valve plate is installed on valve body by the first axle and the second axle, and described valve plate is with close
Installing seal ring gasket between seal ring, play the effect of sealing, prevent fluid from leaking between valve plate and sealing ring, described is close
Seal ring is fixed on valve plate by screw, prevents external force from causing the change of sealing ring position, and described sealing ring is at close and valve
The position of seat sealing surface is provided with a groove, and groove is annular, and position corresponding with groove on described valve plate is provided with one
Boss, groove coordinates with boss, and it is used for sealing ring and the location of valve plate, eliminates the axial gap between sealing ring and valve plate,
Make the sealing ring can not axial motion.
Preferably, described sealing ring is metallic article.
Preferably, described sealing ring upper groove be located proximate to sealing surface of seat.
Preferably, described groove and boss matched in clearance.
Preferably, the wall thickness of described sealing ring upper groove is 1mm-4mm.
Preferably, described groove is 5mm-8mm with the fit clearance of boss.
Preferably, described boss both sides are 0.5mm-1.5mm with the fit clearance of groove.
Preferably, the sealing surface of described sealing ring is arc surface.
Preferably, described valve body and valve plate all use Plate Welding to make, and its cost of manufacture is low, and fabrication cycle is short, and
And evaded the casting flaw such as the valve body of general casting and the crackle pore of valve plate.
Preferably, filler, clutch shaft bearing, Packing seat are installed successively from inner side toward outside between described the first axle and valve body
Circle, disk spring, hold-down grid, then fix with bolt, and the tail end of the first axle rotates fixing by pin and valve plate.
Preferably, filler, the second bearing, thrust are installed successively from inner side toward outside between described the second axle and valve body
Ring, axle spacer, then fix the second axle with valve body with end cap.
The beneficial effects of the utility model are: provide a kind of economy, the double core shift butterfly of light heavy caliber low-load
Valve, its valve body using panel beating welding type and valve plate, its cost of manufacture is low, and processing technology is simple, and fabrication cycle is short, to have
The metallic packing ring of special construction ensure that its water leakage meets ANSI Class V, and the structure of metal sealing is also that it is fitted
Temperature range wider, axial installation have employed the design of upper and lower material filling type, and filler is near axle center, and it can meet anti-
The effect of grain thing, effectively prevents tiny particulate matter from entering axle side and the valve jam that causes, improves the service life of butterfly valve,
Sealing ring is independently installed on valve plate, and maintenance of being more convenient for is changed.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram of preferred embodiment of the present utility model.
Fig. 2 is the assembling structural representation of preferred embodiment of the present utility model.
Fig. 3 is the X-X generalized section of Fig. 2.
Fig. 4 is the sealing surface local sectional drawing of preferred embodiment of the present utility model.
Fig. 5 is the sectional view of the sealing ring of preferred embodiment of the present utility model.
Wherein: 1. valve body；2. valve plate；3. sealing ring；4. seal ring gasket；51. first axles；52. second axles；6. end cap；
81. clutch shaft bearings；82. second bearings；9. filler；10. thrust ring；11. axle spacers；15. blocks；16. disk springs；17.
Filler packing ring；19. bolts.
Detailed description of the invention
For the technical scheme making those skilled in the art be more fully understood that in the application, real below in conjunction with the application
Execute the accompanying drawing in example, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, all should belong to the application protection
Scope.
As Figure 1-Figure 5, this utility model provide heavy caliber low-load double eccentric butterfly valve, including valve body 1, valve plate 2,
Sealing ring 3, valve plate 2 is installed in described valve body 1 on the axle of rotary setting, and sealing ring 3 is arranged on valve plate 2, and sealing ring 3 is close to
Valve body 1 realizes sealing, it is characterised in that: described axle includes the first axle 51 and the second axle 52, respectively from the direction of two opposition
Being installed on valve body 1, described valve plate 2 is installed on valve body 1 by the first axle 51 and the second axle 52, and described valve plate 2 is with close
Seal ring gasket 4 is installed between seal ring 3, plays the effect of sealing, prevent fluid from leaking between valve plate and sealing ring, described
Sealing ring 3 is fixed on valve plate 2 by screw, prevents external force from causing the change of sealing ring position, and described sealing ring 3 is close
Being provided with a groove with the position of valve body 1 sealing surface, groove is annular, and on described valve plate 2, the position corresponding with groove sets
Having a boss, groove coordinates with boss, and it is used for sealing ring and the location of valve plate, and eliminate between sealing ring and valve plate is axial
Gap, makes the sealing ring can not axial motion.
In the preferred embodiment of the application, described sealing ring is metallic article, the position of described sealing ring upper groove
Resting against nearly valve body sealing surface, described groove and boss matched in clearance, the wall thickness of described sealing ring upper groove is 1mm-4mm,
Described groove is 5mm-8mm with the fit clearance of boss, and described boss both sides are 0.5mm-with the fit clearance of groove
1.5mm.Above setting ensure that sealing ring has enough deformation quantities, meets the needs of soft seal.
In the preferred embodiment of the application, the sealing surface of described sealing ring 3 is arc surface.
In the preferred embodiment of the application, described valve body 1 and valve plate 2 all use Plate Welding to make, and it is fabricated to
This is low, and fabrication cycle is short, and has evaded the casting flaw such as the valve body 1 of general casting and the crackle pore of valve plate 2.
In the preferred embodiment of the application, filler the 9, first axle is installed between described the first axle 51 and valve body 1 successively
Hold 81, disk spring 16, filler packing ring 17, fix with bolt 19, the tail end of the first axle 51 rotates fixing by pin and valve plate；Institute
Filler the 9, second bearing 82, thrust ring 10, axle spacer 11 are installed successively, then with end between the second axle 52 and the valve body 1 stated
Second axle 52 is fixed by lid 6 with valve body 11, and the installation of the first axle 51 and the second axle 52 have employed the design of upper and lower material filling type, and filler leans on
Paraxial center, it has been effectively accomplished the effect of anti-granule, has improve the service life of butterfly valve.
The beneficial effects of the utility model are: provide a kind of economy, the double core shift butterfly of light heavy caliber low-load
Valve, its valve body using panel beating welding type and valve plate, its cost of manufacture is low, and processing technology is simple, and fabrication cycle is short, to have
The metallic packing ring of special construction ensure that its water leakage meets ANSI Class V, and the structure of metal sealing is also that it is fitted
Temperature range wider, axial installation have employed the design of upper and lower material filling type, and filler is near axle center, and it can meet anti-
The effect of grain thing, effectively prevents tiny particulate matter from entering axle side and the valve jam that causes, improves the service life of butterfly valve,
Sealing ring is independently installed on valve plate, and maintenance of being more convenient for is changed.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow and is familiar with technique
Personage will appreciate that content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.
All equivalence changes done according to this utility model or modification, all should contain within protection domain of the present utility model.
Claims (10)
1. a heavy caliber low-load double eccentric butterfly valve, including valve body, valve plate, sealing ring, valve plate is installed in described valve body rotation
Turning on the axle arranged, sealing ring is arranged on valve plate, and sealing ring is close to valve body and realizes sealing, it is characterised in that: described axle
Including the first axle and the second axle, described valve plate is installed on valve body by the first axle and the second axle, described valve plate and sealing
Seal ring gasket is installed between ring, plays the effect of sealing, prevent fluid from leaking between valve plate and sealing ring, described sealing
Ring is fixed on valve plate by screw, prevents external force from causing the change of sealing ring position, and described sealing ring is at close and valve seat
The position of sealing surface is provided with a groove, groove be annular, position corresponding with groove on described valve plate be provided with one convex
Platform, groove and boss matched in clearance, it is used for sealing ring and the location of valve plate, eliminates between the axial direction between sealing ring and valve plate
Gap, makes the sealing ring can not axial motion.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: described sealing ring is
Metallic article.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: on described sealing ring
Groove be located proximate to sealing surface of seat.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: on described sealing ring
The wall thickness of groove is 1mm-4mm.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: described groove is with convex
The fit clearance of platform is 4mm-8mm.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: described boss both sides
It is 0.5mm-1.5mm with the fit clearance of groove.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: described sealing ring
Sealing surface is arc surface.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: described valve body and valve
Plate all uses Plate Welding to make, and its cost of manufacture is low, and fabrication cycle is short, and has evaded the valve body of general casting and valve plate
The casting flaws such as crackle pore.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: the first described axle with
Filler, clutch shaft bearing, filler packing ring, disk spring, hold-down grid are installed successively, then with spiral shell between valve body from inner side toward outside
Bolt is fixed, and the tail end of the first axle rotates fixing by pin and valve plate.
A kind of heavy caliber low-load double eccentric butterfly valve the most according to claim 1, it is characterised in that: the second described axle
And filler, the second bearing, thrust ring, axle spacer are installed successively, then with end cap by second between valve body from inner side toward outside
Axle is fixed with valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639236.4U CN205745346U (en) | 2016-06-27 | 2016-06-27 | A kind of heavy caliber low-load double eccentric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620639236.4U CN205745346U (en) | 2016-06-27 | 2016-06-27 | A kind of heavy caliber low-load double eccentric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745346U true CN205745346U (en) | 2016-11-30 |
Family
ID=57384949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620639236.4U Active CN205745346U (en) | 2016-06-27 | 2016-06-27 | A kind of heavy caliber low-load double eccentric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402413A (en) * | 2016-06-27 | 2017-02-15 | 无锡斯考尔自动控制设备有限公司 | Large-diameter low-load double-eccentric center butterfly valve |
-
2016
- 2016-06-27 CN CN201620639236.4U patent/CN205745346U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402413A (en) * | 2016-06-27 | 2017-02-15 | 无锡斯考尔自动控制设备有限公司 | Large-diameter low-load double-eccentric center butterfly valve |
| CN106402413B (en) * | 2016-06-27 | 2019-03-26 | 无锡斯考尔自动控制设备有限公司 | A kind of heavy caliber low-load double eccentric butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201884690U (en) | Super-high pressure flat plate gate valve | |
| CN216789299U (en) | Fixed ball valve of high leakproofness | |
| CN202955270U (en) | Hard sealing ball valve | |
| CN106402413B (en) | A kind of heavy caliber low-load double eccentric butterfly valve | |
| CN205745346U (en) | A kind of heavy caliber low-load double eccentric butterfly valve | |
| CN201344269Y (en) | Wafer type butterfly valve | |
| CN201787116U (en) | Split type hard seal plug valve | |
| CN205190804U (en) | Two -way butterfly valve disk seat sealed firmly | |
| CN207131902U (en) | Upper dress formula full-bore LNG soft seal zero leakage two-way valves | |
| CN205190792U (en) | Bilateral sealing butterfly valve | |
| CN210661403U (en) | Double-sealing corrosion-resistant butterfly valve | |
| CN203202254U (en) | Double-eccentric and bidirectional metallic seal butterfly valve | |
| CN207740523U (en) | The harsh operating mode hard seal fixing ball valve of coal gasification | |
| CN202338656U (en) | Metal sealing ball valve for particle medium | |
| CN211344034U (en) | Mechanical sealing device of vapor compressor | |
| CN205026135U (en) | Low temperature upper assembling type fixes ball valve | |
| CN107917205A (en) | A kind of soft seal three-eccentric-butterfly-valve | |
| CN108980377B (en) | The hard sealing welding butterfly valve of double-shaft two-way | |
| CN201902573U (en) | Multipurpose eccentric soft-hard seal wafer-type butterfly valve | |
| CN206555466U (en) | A kind of fluorine lining butterfly valve | |
| CN107420575A (en) | Upper dress formula full-bore LNG soft seal zero leakage two-way valves | |
| CN215720893U (en) | Hard seal butterfly valve | |
| CN210531615U (en) | High stability stop valve | |
| CN204985768U (en) | Butterfly valve with two-way sealing function | |
| CN216279440U (en) | High-performance fireproof hard sealing butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force 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 utility model: A kind of heavy caliber low-load double eccentric butterfly valve Effective date of registration: 20170313 Granted publication date: 20161130 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Wuxi Squall automatic control equipment Co., Ltd Registration number: 2017990000185 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211125 Granted publication date: 20161130 Pledgee: Agricultural Bank of China Limited by Share Ltd. Wuxi science and Technology Branch Pledgor: WUXI SCORE AUTOMATIC CONTROL EQUIPMENT CO.,LTD. Registration number: 2017990000185 |