CN209444825U - A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline - Google Patents
A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline Download PDFInfo
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- CN209444825U CN209444825U CN201920123718.8U CN201920123718U CN209444825U CN 209444825 U CN209444825 U CN 209444825U CN 201920123718 U CN201920123718 U CN 201920123718U CN 209444825 U CN209444825 U CN 209444825U
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- valve
- valve body
- gasket
- double eccentric
- shut
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Abstract
The utility model discloses a kind of hard sealing high-performance double eccentric butterfly valves to shut off for pipeline, including valve body, one end insertion of the valve body is provided with seal assembly, the valve body is internally provided with butterfly plate, and the inside of valve body is provided with protecting against shock component at one side position of butterfly plate, the upper surface of the valve body along the vertical direction on be welded with bracket, the upper surface of the valve body is provided with fastening assembly close to bracket side, the design of seal assembly in the utility model, so that double eccentric butterfly valve more seals between pipeline during installation, it ensure that its high sealing performance, avoid that there is a phenomenon where fluid seepages；The design of fastening assembly can quickly fix double eccentric butterfly valve, the stability after ensure that its installation, the phenomenon that will not shaking；The design of protecting against shock component, can be under butterfly plate open state, impact of the block media to butterfly plate, reduces abrasion of the butterfly plate connecting shaft to valve body, extends its service life.
Description
Technical field
The utility model relates to valve field, specifically a kind of double eccentric butterflies of the hard sealing high-performance shut off for pipeline
Valve.
Background technique
Double eccentric butterfly valve is also called high-performance butterfly valve, is primarily adapted for use in water factory, power plant, steel mill's smelting, chemical industry, water source spring work
The System drainages such as journey, environmental facility construction are used, and water pipe road is particularly suitable for, as adjusting and equipment of shutting off uses.With in
Line butterfly valve is compared, and double eccentric butterfly valve is more resistant to high pressure, longer life expectancy, and stability is good.
Chinese patent discloses a kind of double eccentric butterfly valve (Authorization Notice No. CN205918914U), the patented technology valve knot
Structure is simple, and manufacturing cost is low, and Bidirectional seal structure makes double eccentric butterfly valve reliability higher, but present double eccentric butterfly valve exists
During use, still there is more shortcoming, double eccentric butterfly valve with pipeline during being installed, leakproofness
The phenomenon that being easy to happen leakage if energy is poor, for internal fluid when flowing through double eccentric butterfly valve, water flow is always internal
The butterfly plate in portion carries out impact, can damage to it if long duration of action, reduces its service life, double eccentric butterfly valve with
After pipeline connection, it is typically in vacant state, it is fixed without others connection relationship, is easy to happen shaking
The phenomenon that.Therefore, those skilled in the art provide a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline, with solution
Certainly the problems mentioned above in the background art.
Utility model content
The purpose of this utility model is to provide a kind of hard sealing high-performance double eccentric butterfly valves to shut off for pipeline, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline, including valve body, seal assembly, interior lining ring, I section
Seal gasket, gasket, II section of seal gasket, location hole, butterfly plate, protecting against shock component, fixed plate, operating spring, strike plate, branch
One end insertion of frame, valve seat, fastening assembly, snap-gauge, fixed otic placode, rubber mat, valve rod and valve wheel, the valve body is provided with sealing group
Part, the valve body is internally provided with butterfly plate, and the inside of valve body is provided with protecting against shock component, institute at one side position of butterfly plate
State the upper surface of valve body along the vertical direction on be welded with bracket, the upper surface of the valve body is provided with fastening group close to bracket side
Part, and the upper surface of valve body is equipped with valve seat above bracket, one end insertion of the valve seat is provided with valve rod, the valve rod
One end be fixed with valve wheel.
As a further solution of the present invention, the seal assembly include interior lining ring, I section of seal gasket, gasket,
II section of seal gasket and location hole, the inside of the seal assembly are equipped with interior lining ring, and the outside of the interior lining ring is provided with
Gasket, the outside of the interior lining ring is socketed with I section of seal gasket at one side position of gasket, and the outside of interior lining ring is close to pad
II section of seal gasket is socketed at another side position of piece, the side surface of the gasket offers location hole.
The protecting against shock component includes fixed plate, operating spring and prevents as a further solution of the present invention,
Shock plate, the inside of the protecting against shock component are equipped with fixed plate, and the side surface of the fixed plate is connected with operating spring, described
One end of operating spring is connected with strike plate.
The fastening assembly includes snap-gauge, fixed otic placode and rubber mat, institute as a further solution of the present invention,
The inside for stating fastening assembly is equipped with snap-gauge, and the both ends of the snap-gauge are provided with fixed otic placode, and pass through pressure on the inside of snap-gauge
Quick gluing is connected to rubber mat.
The interior lining ring and gasket are linked together by threads turn as a further solution of the present invention,
I section of seal gasket and II section of seal gasket are the component of ethylene propylene diene rubber material.
The fixed plate is connected to one by operating spring with strike plate as a further solution of the present invention,
It rises, the arrangement mode of the protecting against shock component is alternating expression distribution.
The snap-gauge and fixed otic placode are an integral structure design as a further solution of the present invention, and block
Plate and rubber mat are arcuate structure.
Compared with prior art, the utility model has the beneficial effects that the design of seal assembly, so that double eccentric butterfly valve exists
It is more sealed between pipeline when installation, ensure that its high sealing performance, avoid that there is a phenomenon where fluid seepages；Fastening assembly
Design, double eccentric butterfly valve can quickly be fixed, ensure that its installation after stability, what will not be shaken shows
As；The design of protecting against shock component, can be under butterfly plate open state, impact of the block media to butterfly plate, reduces butterfly plate connecting shaft
Abrasion to valve body extends its service life, and the double eccentric butterfly valve structure is simple, and cost of manufacture is lower, favorable sealing property,
With certain market application value, convenient for being widely popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline；
Fig. 2 is a kind of schematic diagram of internal structure of valve body in hard sealing high-performance double eccentric butterfly valve to shut off for pipeline；
Fig. 3 is a kind of structural schematic diagram of seal assembly in hard sealing high-performance double eccentric butterfly valve to shut off for pipeline；
Fig. 4 is a kind of structural schematic diagram of fastening assembly in hard sealing high-performance double eccentric butterfly valve to shut off for pipeline.
In figure: 1, valve body；2, seal assembly；21, interior lining ring；22, I section of seal gasket；23, gasket；24, II section of sealant
Pad；25, location hole；3, butterfly plate；4, protecting against shock component；41, fixed plate；42, operating spring；43, strike plate；5, bracket；6,
Valve seat；7, fastening assembly；71, snap-gauge；72, fixed otic placode；73, rubber mat；8, valve rod；9, valve wheel.
Specific embodiment
Please refer to Fig. 1~4, in the utility model embodiment, a kind of hard sealing high-performance shut off for pipeline is double eccentric
Butterfly valve, including valve body 1, seal assembly 2,21, I sections of seal gaskets 22 of interior lining ring, gasket 23, II sections of seal gaskets 24, location hole
25, butterfly plate 3, protecting against shock component 4, fixed plate 41, operating spring 42, strike plate 43, bracket 5, valve seat 6, fastening assembly 7, card
Plate 71, fixed otic placode 72, rubber mat 73, valve rod 8 and valve wheel 9, one end insertion of valve body 1 are provided with seal assembly 2, valve body 1 it is interior
Portion is provided with butterfly plate 3, and the inside of valve body 1 is provided with protecting against shock component 4, the upper surface of valve body 1 at 3 one side position of butterfly plate
Bracket 5 is welded on along the vertical direction, the upper surface of valve body 1 is provided with fastening assembly 7 close to 5 side of bracket, and valve body 1 is upper
Surface is equipped with valve seat 6 above bracket 5, and one end insertion of valve seat 6 is provided with valve rod 8, and one end of valve rod 8 is fixed with valve wheel
9。
Seal assembly 2 includes 21, I sections of seal gaskets 22 of interior lining ring, gasket 23, II sections of seal gaskets 24 and location holes
25, the inside of seal assembly 2 is equipped with interior lining ring 21, and the outside of interior lining ring 21 is provided with gasket 23, and the outside of interior lining ring 21 is leaned on
It is socketed with I section of seal gasket 22 at 23 1 side position of nearly gasket, and the outside of interior lining ring 21 is at another side position of gasket 23
It is socketed with II section of seal gasket 24, the side surface of gasket 23 offers location hole 25, and interior lining ring 21 is turned with gasket 23 by screw thread
Dynamic to link together, I section of seal gasket 22 and II section of seal gasket 24 are the component of ethylene propylene diene rubber material, seal assembly
2 design ensure that its high sealing performance so that double eccentric butterfly valve more seals between pipeline during installation, avoid hair
The phenomenon that raw fluid seepage.
Protecting against shock component 4 includes fixed plate 41, operating spring 42 and strike plate 43, and the inside of protecting against shock component 4 is pacified
Equipped with fixed plate 41, the side surface of fixed plate 41 is connected with operating spring 42, and one end of operating spring 42 is connected with strike plate
43, fixed plate 41 is linked together with strike plate 43 by operating spring 42, and the arrangement mode of protecting against shock component 4 is alternating expression
Distribution, the design of protecting against shock component 4 can be under 3 open state of butterfly plate, impact of the block media to butterfly plate 3, reduces butterfly plate 3
Abrasion of the connecting shaft to valve body 1, extends its service life.
Fastening assembly 7 includes that snap-gauge 71, fixed otic placode 72 and rubber mat 73, the inside of fastening assembly 7 are equipped with snap-gauge 71,
The both ends of snap-gauge 71 are provided with fixed otic placode 72, and the inside of snap-gauge 71 is connected to rubber mat 73 by pressure-sensitive adhesive, snap-gauge 71 with
Fixed otic placode 72 is an integral structure design, and snap-gauge 71 and rubber mat 73 are arcuate structure, and the design of fastening assembly 7 can be right
Double eccentric butterfly valve is quickly fixed, the stability after ensure that its installation, the phenomenon that will not shaking.
The working principle of the utility model is: firstly, 21 one end of interior lining ring on seal assembly 2 is directed at valve body by user
1, one end of interior lining ring 21 is inserted into the inside of valve body 1, I section of seal gasket 22 on interior lining ring 21 will tightly be fitted in valve body
On 1 inner wall, the gasket 23 on interior lining ring 21 can then be bonded the end of valve body 1, and user will need pipeline and liner to be mounted
Pipeline, is inserted in the outside of interior lining ring 21, internally pushing pipe, so that the end of pipeline and gasket by 21 alignment of circle after alignment
23 fittings, and the inner wall of pipeline tightly fits together with II section of seal gasket 24 on interior lining ring 21, uses locking bolt
It is fixed, can thus play a good sealing function, avoiding internal liquid, there is a phenomenon where leak；Then,
User holds the rotation of valve wheel 9, and valve rod 8 rotates with it, and drives internal butterfly plate 3 to rotate by valve seat 6, complete folding and
Closed state, internal liquid first touch protecting against shock component 4, protecting against shock component 4 include fixed plate 41, operating spring 42 and
The arrangement mode of strike plate 43, protecting against shock component 4 is alternating expression distribution, and the design of protecting against shock component 4 can be opened in butterfly plate 3
It opens under state, impact of the block media to butterfly plate 3, reduces abrasion of 3 connecting shaft of butterfly plate to valve body 1, extend its service life；
Secondly, valve body 1 is fitted on wall by user, snap-gauge 71 is stuck on valve body 1, internal rubber mat 73 is fitted in valve body 1
Together, the fixation otic placode 72 on snap-gauge 71 is passed through using locking bolt be capable of the shaking of less valve body 1 to be fixed.
Claims (7)
1. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline, including valve body (1), seal assembly (2), butterfly plate
(3), protecting against shock component (4), bracket (5), valve seat (6), fastening assembly (7), valve rod (8) and valve wheel (9), which is characterized in that institute
One end insertion for stating valve body (1) is provided with seal assembly (2), and the valve body (1) is internally provided with butterfly plate (3), and valve body (1)
Inside be provided with protecting against shock component (4) at (3) one side position of butterfly plate, the upper surface of the valve body (1) is along the vertical direction
On be welded with bracket (5), the upper surface of the valve body (1) is provided with fastening assembly (7) close to bracket (5) side, and valve body (1)
Upper surface be equipped with valve seat (6) above the bracket (5), one end insertion of the valve seat (6) is provided with valve rod (8), described
One end of valve rod (8) is fixed with valve wheel (9).
2. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 1, which is characterized in that
The seal assembly (2) includes interior lining ring (21), I section of seal gasket (22), gasket (23), II section of seal gasket (24) and determines
Position hole (25), the inside of the seal assembly (2) are equipped with interior lining ring (21), and the outside of the interior lining ring (21) is provided with gasket
(23), the outside of the interior lining ring (21) is socketed with I section of seal gasket (22), and interior lining ring at (23) one side position of gasket
(21) outside is socketed with II section of seal gasket (24), the side surface of the gasket (23) at gasket (23) another side position
Offer location hole (25).
3. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 1, which is characterized in that
The protecting against shock component (4) includes fixed plate (41), operating spring (42) and strike plate (43), the protecting against shock component
(4) inside is equipped with fixed plate (41), and the side surface of the fixed plate (41) is connected with operating spring (42), the movement bullet
One end of spring (42) is connected with strike plate (43).
4. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 1, which is characterized in that
The fastening assembly (7) includes snap-gauge (71), fixed otic placode (72) and rubber mat (73), the inside peace of the fastening assembly (7)
Equipped with snap-gauge (71), the both ends of the snap-gauge (71) are provided with fixed otic placode (72), and the inside of snap-gauge (71) is by pressure-sensitive
Gluing is connected to rubber mat (73).
5. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 2, which is characterized in that
The interior lining ring (21) is linked together with gasket (23) by threads turn, I section of seal gasket (22) and II section of sealing
Rubber mat (24) is the component of ethylene propylene diene rubber material.
6. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 3, which is characterized in that
The fixed plate (41) is linked together with strike plate (43) by operating spring (42), the row of the protecting against shock component (4)
Column mode is alternating expression distribution.
7. a kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline according to claim 4, which is characterized in that
The snap-gauge (71) and fixed otic placode (72) are an integral structure design, and snap-gauge (71) and rubber mat (73) are arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123718.8U CN209444825U (en) | 2019-01-24 | 2019-01-24 | A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920123718.8U CN209444825U (en) | 2019-01-24 | 2019-01-24 | A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444825U true CN209444825U (en) | 2019-09-27 |
Family
ID=68017993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920123718.8U Active CN209444825U (en) | 2019-01-24 | 2019-01-24 | A kind of hard sealing high-performance double eccentric butterfly valve to shut off for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444825U (en) |
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2019
- 2019-01-24 CN CN201920123718.8U patent/CN209444825U/en active Active
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