CN107917205A - A kind of soft seal three-eccentric-butterfly-valve - Google Patents
A kind of soft seal three-eccentric-butterfly-valve Download PDFInfo
- Publication number
- CN107917205A CN107917205A CN201711028628.2A CN201711028628A CN107917205A CN 107917205 A CN107917205 A CN 107917205A CN 201711028628 A CN201711028628 A CN 201711028628A CN 107917205 A CN107917205 A CN 107917205A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve rod
- butterfly
- stent
- 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.)
- Withdrawn
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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
-
- 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of soft seal three-eccentric-butterfly-valve,Including valve body,Valve rod,Stent,Valve plate,Pressing plate and sealing surface,The valve body is provided at both ends with inlet and outlet,The top of the valve body is provided with stent by bolt,The valve body is internally provided with valve rod,The top of the valve rod is through the top of valve body and stent and extends stent,The central bottom of the valve body is provided with lower cover by bolt,The lower cover is internally provided with groove,The bottom of the valve rod is provided with valve rod base by screw,The central lower of the valve rod base is provided with protrusion,The present invention is fixed by pressing plate crush seal circle and then to sealing ring,By the way that sealing ring is arranged on the abrasion that can be effectively reduced between pressing plate and valve plate to sealing ring,By when valve plate is closed,Sealing ring on the inside of sealing surface with being in contact,The sealing performance of valve can be effectively improved.
Description
Technical field
The present invention relates to butterfly valve equipment technical field, is specifically a kind of soft seal three-eccentric-butterfly-valve.
Background technology
In existing market, the application of valve is very extensive, and the main function of valve is flow cutoff and adjusting.Similar application
Valve have double eccentric butterfly valve, metal sealing three-eccentric-butterfly-valve.A kind of regulating valve simple in structure of butterfly valve, available for low pressure pipeline
The switch control of medium.Butterfly valve is suitable for producer, coal gas, natural gas, liquefied petroleum gas, town gas, hot and cold air, chemical industry
Smelt and the engineering system such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, for adjusting and
Block the flowing of medium.
Existing three-eccentric-butterfly-valve has the advantages that moment of torsion is small, but sealing effect is not ideal enough.
The content of the invention
It is an object of the invention to provide a kind of soft seal three-eccentric-butterfly-valve, to solve the problems of the prior art.
To achieve the above object, the present invention provides following technical solution：A kind of soft seal three-eccentric-butterfly-valve, including valve body,
Valve rod, stent, valve plate, pressing plate and sealing surface, the valve body are provided at both ends with inlet and outlet, pass through bolt at the top of the valve body
Stent is installed, the valve body is internally provided with valve rod, and the top of the valve rod through the top of valve body and stent and extends
Go out stent, the central bottom of the valve body is provided with lower cover by bolt, and the lower cover is internally provided with groove, described
The bottom of valve rod is provided with valve rod base by screw, and the central lower of the valve rod base is provided with protrusion, the valve rod
The bottom of valve body is run through in bottom, and protrusion is in contact with groove, and the stem surface for being arranged on the valve inner cavity passes through
Bolt is provided with valve plate, and the side marginal surface of the valve plate is provided with sealing ring, and the upper and lower ends of the pressing plate are provided with spiral shell
Silk groove, the pressing plate are installed on by screw on the surface of valve plate, and the interior side of the valve body is provided with sealing surface, and seals
The inner side in face is in contact with sealing ring.
Preferably, the lower surface of the valve rod is set with Lower shaft sleeve with the position that the bottom of valve body contacts.
Preferably, the sealing surface is internally provided with rubber pad, and rubber pad is in contact with sealing ring.
Preferably, the inside of the flight is sealed by marine glue.
Preferably, the position that the upper face of the valve rod is in contact with valve body be respectively installed with from top to bottom Upper shaft sleeve and
Rubber washer.
Compared with prior art, the beneficial effects of the invention are as follows：Carried out by pressing plate crush seal circle and then to sealing ring
It is fixed, by the way that sealing ring is arranged on the abrasion that can be effectively reduced between pressing plate and valve plate to sealing ring, and then extend valve
Service life, by the way that when valve plate is closed, sealing ring can effectively improve the sealing of valve with being in contact on the inside of sealing surface
Performance, while the abrasion of more sealing rings can also be reduced, the position contacted by the lower surface of valve rod with the bottom of valve body covers
Equipped with Lower shaft sleeve, the frictional force between stem surface and valve body is advantageously reduced, rubber pad is internally provided with by sealing surface,
And rubber pad is in contact with sealing ring, be conducive to improve the sealing effect of valve, it is close by marine glue by the inside of flight
Envelope, is conducive to avoid screw from contacting for a long time with water, causes screw corrosion and damage.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the lower cover structure diagram of the present invention.
In figure：1- valve bodies, 2- valve rods, 3- Upper shaft sleeves, 4- stents, 5- rubber washers, 6- rubber pads, 7- bolts, 8- sealings
Circle, 9- screws, 10- valve plates, 11- pressing plates, 12- flights, 13- sealing surfaces, 14- lower covers, 15- grooves, 16- protrusion, 17- valves
Bar base, 18- Lower shaft sleeves.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
Please refer to Fig.1-2, in the embodiment of the present invention, a kind of soft seal three-eccentric-butterfly-valve, including valve body 1, valve rod 2, stent
4th, valve plate 10, pressing plate 11 and sealing surface 13, the valve body 1 are provided at both ends with inlet and outlet, and the top of the valve body 1 passes through bolt
7 are provided with stent 4, and the valve body 1 is internally provided with valve rod 2, and the top of the valve rod 2 is through the top of valve body 1 and stent 4
And extend stent 4, the central bottom of the valve body 1 is provided with lower cover 14 by bolt 7, and the inside of the lower cover 14 is set
Groove 15 is equipped with, the bottom of the valve rod 2 is provided with valve rod base 17, the central lower of the valve rod base 17 by screw 9
Protrusion 16 is provided with, the bottom of valve body 1 is run through in the bottom of the valve rod 2, and protrusion 16 is in contact with groove 15, is arranged on institute
2 surface of valve rod for stating 1 internal cavities of valve body is provided with valve plate 10, the side marginal surface installation of the valve plate 10 by bolt 7
There is sealing ring 8, the upper and lower ends of the pressing plate 11 are provided with flight 12, and the pressing plate 11 is installed on valve plate 10 by screw 9
Surface on, the interior side of the valve body 1 is provided with sealing surface 13, and the inner side of sealing surface 13 is in contact with sealing ring 8, lead to
Cross 11 crush seal circle 8 of pressing plate and then sealing ring 8 be fixed, by by sealing ring 8 be arranged on pressing plate 11 and valve plate 10 it
Between can effectively reduce abrasion to sealing ring 8, and then extend the service life of valve, by when valve plate 10 is closed, sealing
Circle 8 is in contact with the inner side of sealing surface 13, can effectively improve the sealing performance of valve, while can also reduce more sealing rings 8
Abrasion.
Lower shaft sleeve 18 is set with the position that the bottom of valve body 1 contacts by the lower surface of the valve rod 2, is conducive to drop
Frictional force between low 2 surface of valve rod and valve body 1.
Rubber pad 6 is internally provided with by the sealing surface 13, and rubber pad 6 is in contact with sealing ring 8, is conducive to carry
The sealing effect of high valve.
Sealed by the inside of the flight 12 by marine glue, be conducive to avoid screw 9 from contacting for a long time with water, make
Damaged into 9 corrosion of screw.
The position being in contact by the upper face of the valve rod 2 with valve body 1 be respectively installed with from top to bottom Upper shaft sleeve 3 and
Rubber washer 5, when can prevent that hydraulic pressure is excessive, water is leaked out from the gap between the upper face and valve body 1 of valve rod 2.
The present invention operation principle be：Be fixed by 11 crush seal circle 8 of pressing plate and then to sealing ring 8, pass through by
Sealing ring 8 is arranged on the abrasion that can be effectively reduced between pressing plate 11 and valve plate 10 to sealing ring 8, and then extends the use of valve
Service life, by the way that when valve plate 10 is closed, sealing ring 8 is in contact with the inner side of sealing surface 13, can effectively improve the sealing of valve
Performance, while the abrasion of more sealing rings 8 can also be reduced, the position contacted by the lower surface of valve rod 2 with the bottom of valve body 1
Lower shaft sleeve 18 is set with, advantageously reduces the frictional force between 2 surface of valve rod and valve body 1, is set by the inside of sealing surface 13
There is rubber pad 6, and rubber pad 6 is in contact with sealing ring 8, is conducive to improve the sealing effect of valve, by flight 12
Portion is sealed by marine glue, is conducive to avoid screw 9 from contacting for a long time with water, is caused 9 corrosion of screw and damage.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that will fall the institute in the implication and scope 0 of the equivalency of claim
Change and include in the present invention.Any reference numeral in claim should not be considered as to the involved claim of limitation.
Claims (5)
1. a kind of soft seal three-eccentric-butterfly-valve, including valve body (1), valve rod (2), stent (4), valve plate (10), pressing plate (11) and close
Front cover (13), it is characterised in that：The valve body (1) is provided at both ends with inlet and outlet, passes through bolt at the top of the valve body (1)
(7) stent (4) is installed, the valve body (1) is internally provided with valve rod (2), and valve body (1) is run through at the top of the valve rod (2)
Top and stent (4) and extend stent (4), the central bottom of the valve body (1) is provided with lower cover by bolt (7)
(14), the lower cover (14) is internally provided with groove (15), and the bottom of the valve rod (2) is provided with valve by screw (9)
Bar base (17), the central lower of the valve rod base (17) are provided with raised (16), and valve is run through in the bottom of the valve rod (2)
The bottom of body (1), and raised (16) are in contact with groove (15), are arranged on valve rod (2) surface of the valve body (1) internal cavities
Valve plate (10) is provided with by bolt (7), the side marginal surface of the valve plate (10) is provided with sealing ring (8), the pressing plate
(11) upper and lower ends are provided with flight (12), and the pressing plate (11) is installed on by screw (9) on the surface of valve plate (10),
The interior side of the valve body (1) is provided with sealing surface (13), and the inner side of sealing surface (13) is in contact with sealing ring (8).
A kind of 2. soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The lower part table of the valve rod (2)
Face is set with Lower shaft sleeve (18) with the position that the bottom of valve body (1) contacts.
A kind of 3. soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The inside of the sealing surface (13)
Rubber pad (6) is provided with, and rubber pad (6) is in contact with sealing ring (8).
A kind of 4. soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The inside of the flight (12)
Sealed by marine glue.
A kind of 5. soft seal three-eccentric-butterfly-valve according to claim 1, it is characterised in that：The top table of the valve rod (2)
Face is respectively installed with Upper shaft sleeve (3) and rubber washer (5) from top to bottom with the position that valve body (1) is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028628.2A CN107917205A (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028628.2A CN107917205A (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917205A true CN107917205A (en) | 2018-04-17 |
Family
ID=61895067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711028628.2A Withdrawn CN107917205A (en) | 2017-10-29 | 2017-10-29 | A kind of soft seal three-eccentric-butterfly-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107917205A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916397A (en) * | 2018-09-06 | 2018-11-30 | 温州上沃阀门科技有限公司 | The valve plate of eccentric hard sealed flygate seals installing mechanism |
| CN109442112A (en) * | 2018-12-27 | 2019-03-08 | 连云港振兴集团石化设备制造有限公司 | A kind of aluminum material rotary joint |
-
2017
- 2017-10-29 CN CN201711028628.2A patent/CN107917205A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916397A (en) * | 2018-09-06 | 2018-11-30 | 温州上沃阀门科技有限公司 | The valve plate of eccentric hard sealed flygate seals installing mechanism |
| CN109442112A (en) * | 2018-12-27 | 2019-03-08 | 连云港振兴集团石化设备制造有限公司 | A kind of aluminum material rotary joint |
| CN109442112B (en) * | 2018-12-27 | 2024-04-05 | 河南利旺流体技术有限公司 | Steel-aluminum composite material rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180417 |