CN106884993B - Butterfly valve plate sealing protection device - Google Patents
Butterfly valve plate sealing protection device Download PDFInfo
- Publication number
- CN106884993B CN106884993B CN201710238052.6A CN201710238052A CN106884993B CN 106884993 B CN106884993 B CN 106884993B CN 201710238052 A CN201710238052 A CN 201710238052A CN 106884993 B CN106884993 B CN 106884993B
- Authority
- CN
- China
- Prior art keywords
- valve plate
- butterfly valve
- plate
- butterfly
- safety cover
- 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
- 238000007789 sealing Methods 0.000 title abstract description 20
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000000696 magnetic material Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
-
- 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 relates to a butterfly valve plate sealing protection device, which comprises a butterfly valve body and a butterfly valve plate, wherein soft sealing is arranged on the butterfly valve plate, a valve plate protection cover for protecting the soft sealing of the valve plate is arranged on the outer side of the butterfly valve plate on one side of the medium inflow direction, the valve plate protection cover is hinged with the butterfly valve body through a pin shaft, the side surface of the butterfly valve plate is covered by an arc-shaped side plate, and one side guide surface of the butterfly valve plate is covered by a panel. When the butterfly valve is made of non-magnetic materials, the butterfly valve plate and the valve plate protecting cover adopt a traction magnetic block structure, so that the butterfly valve plate protecting cover can overturn along with the butterfly valve plate. When the butterfly valve is made of magnetic materials, the valve plate protection cover is in a structure of a pin shaft and a torsion spring, so that the butterfly valve plate protection cover can turn over along with the butterfly valve plate. After the valve plate sealing protection device is arranged on the butterfly valve, the service life of the butterfly valve can be prolonged by more than 2 times on the premise of using the medium. In the production practice, the production cost is greatly reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to a butterfly valve, in particular to a butterfly valve plate sealing protection device.
Background
The butterfly valve is a valve frequently used on a fluid medium conveying pipeline, and due to the influence of a conveying medium, after the soft sealing surface of the valve plate of the butterfly valve is subjected to long-term flushing by the front surface of the medium, the soft sealing surface of the valve plate is damaged, so that the valve is in sealing failure, the medium leakage phenomenon is caused, the production is forced to stop, and a new valve is replaced. The valve of the valve-plate-free sealing protection device has the advantages of short service life, high production cost and low production efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the butterfly valve plate sealing protection device which is used for protecting the impacted butterfly valve plate and the soft sealing of the valve plate in the valve plate opening state, reducing the failure rate of the soft sealing damage failure of the butterfly valve plate, greatly improving the service life of the butterfly valve, reducing the production cost, improving the production efficiency and ensuring the smooth production.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a butterfly valve plate sealing protection device, including butterfly valve body, butterfly valve plate, be equipped with soft seal on the butterfly valve plate, the outside of butterfly valve plate in medium inflow direction one side is equipped with the soft sealed valve plate safety cover of protection valve plate, the valve plate safety cover includes arc curb plate and panel, arc curb plate and panel structure as an organic whole, arc curb plate both ends are equipped with the round pin axle, the valve plate safety cover is articulated with the butterfly valve body through the round pin axle, the side of butterfly valve plate is covered to the arc curb plate, the panel covers one side water conservancy diversion face of butterfly valve plate, be equipped with the traction magnetic path on the panel, the corresponding position of butterfly valve plate is equipped with the traction magnetic path that the polarity is opposite, the butterfly valve plate is followed to the valve plate safety cover upset.
The butterfly valve body and the butterfly valve plate are made of non-magnetic materials.
The valve plate protecting cover is made of nonmagnetic metal materials.
The utility model provides a butterfly valve plate sealing protection device, including butterfly valve body, butterfly valve plate, be equipped with soft seal on the butterfly valve plate, the outside of butterfly valve plate in medium inflow direction one side is equipped with the soft sealed valve plate safety cover of protection valve plate, the valve plate safety cover includes arc curb plate and panel, arc curb plate and panel structure as an organic whole, the side cover of butterfly valve plate is covered to the arc curb plate, the panel covers one side water conservancy diversion face of butterfly valve plate, arc curb plate both ends are equipped with the round pin axle, the valve plate safety cover is articulated with the butterfly valve body through the round pin axle, be equipped with the torsional spring on the round pin axle, make the valve plate safety cover follow the upset of butterfly valve plate.
The butterfly valve body and the butterfly valve plate are made of magnetic materials.
The valve plate protection cover is made of metal materials.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a butterfly valve plate sealing protection device with two structures, which is suitable for butterfly valves with magnetism and non-magnetism. Simple structure, easy installation. After the valve plate sealing protection device is arranged on the butterfly valve, the service life of the butterfly valve can be prolonged by more than 2 times on the premise of using the medium. In the production practice, the production cost is greatly reduced, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic view showing the structure of a butterfly valve plate in an open state of embodiment 1.
Fig. 2 is a side view of the structure of the valve plate of the butterfly valve of embodiment 1 in an open state.
Fig. 3 is a schematic view of a valve plate protecting cover according to embodiment 1.
Fig. 4 is a side view of a valve plate protecting cover structure of embodiment 1.
Fig. 5 is a schematic view showing the structure of the valve plate of the butterfly valve of embodiment 2 in a closed state.
In the figure: butterfly valve body 1, butterfly valve plate 2, valve plate soft seal 3, valve plate safety cover 4, arc curb plate 4.1, panel 4.2, traction magnet I5, traction magnet II6, round pin axle 7, torsional spring 8.
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
example 1
1-4, a butterfly valve plate sealing protection device comprises a butterfly valve body 1 and a butterfly valve plate 2, wherein a valve plate soft seal 3 is arranged on the circumference of the butterfly valve plate 2, and the butterfly valve body 1 and the butterfly valve plate 2 are made of aluminum alloy materials.
The outer side of the butterfly valve plate 2 at one side of the medium inflow direction is provided with a valve plate protecting cover 4 for protecting the valve plate soft seal 3, and the valve plate protecting cover 4 is made of aluminum alloy.
The valve plate protection cover 4 comprises an arc-shaped side plate 4.1 and a panel 4.2, the arc-shaped side plate 4.1 and the panel 4.2 are of an integrated structure, pin shafts 7 are arranged at two ends of the arc-shaped side plate 4.1, the valve plate protection cover 4 is hinged with the butterfly valve body 1 through the pin shafts 7, the arc-shaped side plate 4.1 covers the side face of the butterfly valve plate, namely, the valve plate soft seal 3 covers the valve plate, the panel 4.2 covers a diversion face of one side of the butterfly valve plate 2, a traction magnetic block I5 is arranged on the panel 4.2, a traction magnetic block II6 with opposite polarities is arranged at the corresponding position of the butterfly valve plate 2, and the valve plate protection cover 4 overturns along with the butterfly valve plate 2.
When the butterfly valve plate 2 is gradually opened, the butterfly valve plate 2 is turned over against the valve plate protecting cover 4, and after the butterfly valve plate 2 is completely opened, the valve plate protecting cover 4 is positioned in the medium inflow direction to protect the impacted surface of the butterfly valve plate 2.
When the butterfly valve plate 2 is gradually closed, the valve plate protection cover 4 overturns along with the butterfly valve plate 2 under the action of the traction magnetic block, the butterfly valve plate 2 is continuously overturned until the butterfly valve plate 2 is completely closed after the valve plate protection cover 4 reaches the limit position and is blocked by the butterfly valve body 1. The valve plate protection cover 4 protects the butterfly valve plate seal 3 and prolongs the service life of the butterfly valve while not affecting the closing of the butterfly valve plate 2.
Example 2
As shown in fig. 5, the butterfly valve plate sealing protection device comprises a butterfly valve body 1 and a butterfly valve plate 2, wherein the butterfly valve body 1 and the butterfly valve plate 2 are made of steel materials, and a valve plate soft seal 3 is arranged on the circumference of the butterfly valve plate 2.
The outer side of the butterfly valve plate 2 at one side of the medium inflow direction is provided with a valve plate protecting cover 4 for protecting the valve plate soft seal 3, and the valve plate protecting cover 4 is made of steel materials.
The valve plate protection cover 4 comprises an arc-shaped side plate 4.1 and a panel 4.2, the arc-shaped side plate 4.1 and the panel 4.2 are of an integrated structure, the arc-shaped side plate 4.1 covers the side face of the butterfly valve plate 2, namely, the valve plate soft seal 3 is covered, the panel 4.2 covers one side guide face of the butterfly valve plate 2, two ends of the arc-shaped side plate 4.1 are provided with pin shafts 7, the valve plate protection cover 4 is hinged with the butterfly valve body 1 through the pin shafts 7, torsion springs 8 are arranged on the pin shafts 7, and the valve plate protection cover 4 overturns along with the butterfly valve plate 2 under the action of the torsion springs 8.
When the butterfly valve plate 2 is gradually opened, the butterfly valve plate 2 is turned over against the valve plate protecting cover 4, and after the butterfly valve plate 2 is completely opened, the valve plate protecting cover 4 is positioned in the medium inflow direction to protect the impacted surface of the butterfly valve plate 2.
When the butterfly valve plate 2 is gradually closed, the valve plate protection cover 4 overturns along with the butterfly valve plate 2 under the action of the torsion spring 8, the butterfly valve plate 2 is continuously overturned until the butterfly valve plate 2 is completely closed after the valve plate protection cover 4 reaches the limit position and is blocked by the butterfly valve body 1. The valve plate protection cover 4 protects the valve plate soft seal 3 of the butterfly valve and prolongs the service life of the butterfly valve while not affecting the closing of the valve plate 2 of the butterfly valve.
The above description is only of the basic principle of the invention, and is not limited in any way, and all equivalent changes and modifications according to the invention are within the scope of the technical protection scheme of the patent.
Claims (1)
1. The utility model provides a butterfly valve plate seal protection device, including the butterfly valve body, the butterfly valve plate, be equipped with the soft seal of valve plate on the butterfly valve plate circumference, be equipped with the soft sealed valve plate safety cover of protection valve plate in the outside of butterfly valve plate of medium inflow direction one side, the valve plate safety cover is aluminum alloy material, valve plate safety cover includes arc curb plate and panel, arc curb plate and panel structure as an organic whole, arc curb plate both ends are equipped with the round pin axle, the valve plate safety cover articulates with the butterfly valve body through the round pin axle, the cover of the side of butterfly valve plate is covered to the arc curb plate, cover the soft sealed valve plate that covers that will, the panel covers the one side water conservancy diversion face of butterfly valve plate, be equipped with on the panel and draw magnetic path I, the corresponding position of butterfly valve plate is equipped with the reverse traction magnetic path II of polarity, the butterfly valve plate safety cover overturns along the butterfly valve plate, when the butterfly valve plate is opened gradually, after opening completely, the valve plate safety cover is in medium inflow direction, protect the impacted surface of butterfly valve plate, when the valve plate is closed gradually, the butterfly valve plate safety cover overturns under the effect of traction magnetic path, the butterfly valve plate safety cover reaches the extreme position after being blocked by the butterfly valve plate, the valve plate safety cover is not overturned again, continue the upset until completely closing, the butterfly valve plate is closed, the butterfly valve plate is not influenced by the protection valve plate of butterfly valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238052.6A CN106884993B (en) | 2017-04-13 | 2017-04-13 | Butterfly valve plate sealing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710238052.6A CN106884993B (en) | 2017-04-13 | 2017-04-13 | Butterfly valve plate sealing protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884993A CN106884993A (en) | 2017-06-23 |
| CN106884993B true CN106884993B (en) | 2024-03-08 |
Family
ID=59182887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710238052.6A Active CN106884993B (en) | 2017-04-13 | 2017-04-13 | Butterfly valve plate sealing protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106884993B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386553A (en) * | 2018-05-21 | 2018-08-10 | 南通升辉机械有限公司 | A kind of novel manual butterfly valve |
| CN113280133B (en) * | 2021-07-23 | 2021-09-24 | 山东泰恒智能环境科技有限公司 | High barrier propterty butterfly valve |
| CN114992343B (en) * | 2022-08-03 | 2022-12-20 | 宁波一机阀门制造有限公司 | High barrier propterty butterfly valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202228698U (en) * | 2011-10-08 | 2012-05-23 | 何相华 | Butterfly valve with diversion protective ring |
| CN102777610A (en) * | 2012-07-10 | 2012-11-14 | 博纳斯威阀门有限公司 | Anti-scouring butterfly valve |
| KR20140056874A (en) * | 2012-11-02 | 2014-05-12 | (주) 포엠엔지니어링 | Butterfly valve of the valve plate protective equipment |
| CN204344946U (en) * | 2014-11-26 | 2015-05-20 | 江苏兴科原机械科技有限公司 | A kind of protection against erosion butterfly valve |
| CN206929350U (en) * | 2017-04-13 | 2018-01-26 | 鞍山瑞科阀门制造有限公司 | A kind of butterfly valve plate seal protecting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080128033A1 (en) * | 2006-12-05 | 2008-06-05 | Honeywell International, Inc. | Check valve with adjustable opening pressure |
-
2017
- 2017-04-13 CN CN201710238052.6A patent/CN106884993B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202228698U (en) * | 2011-10-08 | 2012-05-23 | 何相华 | Butterfly valve with diversion protective ring |
| CN102777610A (en) * | 2012-07-10 | 2012-11-14 | 博纳斯威阀门有限公司 | Anti-scouring butterfly valve |
| KR20140056874A (en) * | 2012-11-02 | 2014-05-12 | (주) 포엠엔지니어링 | Butterfly valve of the valve plate protective equipment |
| CN204344946U (en) * | 2014-11-26 | 2015-05-20 | 江苏兴科原机械科技有限公司 | A kind of protection against erosion butterfly valve |
| CN206929350U (en) * | 2017-04-13 | 2018-01-26 | 鞍山瑞科阀门制造有限公司 | A kind of butterfly valve plate seal protecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884993A (en) | 2017-06-23 |
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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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 114200 loess Village, Tengao special district, Haicheng, Anshan, Liaoning Applicant after: ANSHAN RUIKE VALVE MANUFACTURING Co.,Ltd. Address before: 114200 loess Village, Tengao special district, Haicheng, Anshan, Liaoning Applicant before: ANSHAN VALVE ELECTRIC CONTROL MANUFACTURING PLANT |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |