CN111795157B - Scour prevention butterfly valve - Google Patents
Scour prevention butterfly valve Download PDFInfo
- Publication number
- CN111795157B CN111795157B CN202010629058.8A CN202010629058A CN111795157B CN 111795157 B CN111795157 B CN 111795157B CN 202010629058 A CN202010629058 A CN 202010629058A CN 111795157 B CN111795157 B CN 111795157B
- Authority
- CN
- China
- Prior art keywords
- butterfly plate
- valve
- butterfly
- rod
- protective 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
- 230000002265 prevention Effects 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000009991 scouring Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 25
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 230000008676 import Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
-
- 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
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
- F16K27/0218—Butterfly valves
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement
Abstract
The invention relates to an anti-scouring butterfly valve, which comprises: the anti-scouring butterfly valve comprises a valve body with an inlet and an outlet, a valve rod arranged on the valve body in a rotatable mode, and a butterfly plate fixedly arranged on the valve rod, wherein a sealing ring is arranged on the side face of the butterfly plate in a surrounding mode, the anti-scouring butterfly valve further comprises a regulating part and a butterfly plate protection mechanism, and after the butterfly plate is opened, the regulating part controls the butterfly plate protection mechanism to be attached to one side, close to the inlet, of the butterfly plate so as to prevent the butterfly plate from being impacted by a medium. The invention has the advantages that: through setting up butterfly plate protection machanism and locking mechanical system, when making the butterfly valve open, the cam can control the guard plate and be close to the butterfly plate direction and seal the sealing washer on the butterfly plate and cover to can play the guard action to the sealing washer, prevent that the medium from washing away to the sealing washer, improve the life of butterfly valve.
Description
Technical Field
The invention belongs to the technical field of pipeline valves, and particularly relates to an anti-scouring butterfly valve.
Background
Butterfly valves are valves that utilize a circular butterfly plate that rotates with a valve stem to open, close, and regulate a fluid passageway. Most butterfly valves can be used for controlling the conveying switch of a medium with suspended solid particles, and can also be used for controlling the conveying switch of powdery and granular media according to the strength of a sealing element, so that the butterfly valve is widely used in the fields of petroleum, chemical industry, metallurgy, electric power, food, medicine, water supply and drainage, gas conveying and the like. The utility model provides a multilayer three eccentric metal seal butterfly valve is widely used one kind in the butterfly valve, and it includes valve body, butterfly plate, valve shaft, sealing washer and sealing washer clamp plate, and the butterfly valve is eccentric to be arranged in the valve body, and the valve shaft eccentric arrangement is on the butterfly plate, controls opening and shutting of butterfly plate, has the sealing washer in the periphery of butterfly plate, and the sealing washer is fixed with the sealing washer clamp plate, plays sealed effect when closing the valve.
The butterfly plate sealing ring of the butterfly valve is formed by overlapping a metal plate and a graphite plate, and is flushed by a medium flowing at a high speed when the valve is fully opened, and the sealing ring is loosened to cause the valve to lose sealing performance due to the fact that graphite in an interlayer is flushed away, so that the valve is limited to be applied to some systems.
Disclosure of Invention
In view of the above, it is desirable to provide an anti-scour butterfly valve that is provided with a butterfly plate protection structure that can prevent the seal ring from being scoured and worn by a medium in a butterfly plate open state.
The invention discloses an anti-scouring butterfly valve, which comprises: the anti-scouring butterfly valve comprises a valve body with an inlet and an outlet, a valve rod arranged on the valve body in a rotatable mode, and a butterfly plate fixedly arranged on the valve rod, wherein a sealing ring is arranged on the side face of the butterfly plate in a surrounding mode, the anti-scouring butterfly valve further comprises a regulating part and a butterfly plate protection mechanism, and after the butterfly plate is opened, the regulating part controls the butterfly plate protection mechanism to be attached to one side, close to the inlet, of the butterfly plate so as to prevent the sealing ring from being impacted by a medium.
In one embodiment, the butterfly plate protection mechanism comprises: the device comprises a protective cover, a sliding rod and an elastic piece. The protective cover is covered on one side of the butterfly plate; the sliding rod passes through the butterfly plate perpendicular to the direction of the butterfly plate to be in sliding connection with the butterfly plate, one end of the sliding rod is fixedly connected with the butterfly plate protective cover, and the other end of the sliding rod is connected with a deflector rod; the elastic piece is abutted between the butterfly plate and the protective cover, the regulating piece is abutted with the deflector rod, and after the butterfly plate is rotated and opened, the regulating piece is abutted with the deflector rod, so that the protective cover is tightly attached to the butterfly plate and covers one side, close to the inlet, of the butterfly plate.
In one embodiment, the regulating and controlling part comprises a cam and a connecting rod fixedly connected with the cam, the connecting rod is fixedly arranged on the valve body, the connecting rod is coaxial with the valve rod, the deflector rod is abutted to the cam, and along with rotation of the butterfly plate, the cam can push the deflector rod to one side far away from the butterfly plate, so that the protective cover can be covered on the butterfly plate.
In one embodiment, the valve body is provided with an annular valve seat, when the butterfly plate is closed, the sealing ring is tightly attached to the valve seat to block media on two sides of the butterfly plate, and when the butterfly plate is opened, the protective cover can be covered on one side, close to the inlet, of the sealing ring.
In one embodiment, the protective cover comprises a sector and a side wall part, the sector is parallel to the butterfly plate, the side wall part extends along the outer edge of the sector, and when the sector is overlapped on the butterfly plate, the side wall part covers the sealing ring to prevent the sealing ring from being washed by medium.
In one embodiment, the butterfly plate is provided with a first connecting portion and a second connecting portion, the first connecting portion is fixedly connected with the valve rod, the second connecting portion is rotatably connected with the connecting rod, and the butterfly plate can be driven to rotate by rotating the valve rod.
In one embodiment, the connecting rod is sleeved with a supporting sleeve, the lower end of the supporting sleeve is abutted to the valve body, and the upper end of the supporting sleeve is abutted to the second connecting portion.
In one embodiment, the upper end of the valve rod is provided with a locking mechanism, which comprises: the locking device comprises a locking disc fixed on the valve body and a locking clamp fixed on the valve rod, wherein a plurality of locking openings are formed in the locking disc, and the locking clamp can be clamped into the locking openings so as to fix the valve rod and the valve body.
The invention has the advantages that: through setting up butterfly plate protection machanism and transferring the controlling piece, when making the butterfly valve open, the controlling piece can control the protection casing to be close to the butterfly plate direction and seal the sealing washer on the butterfly plate and cover to can play the guard action to the sealing washer, prevent that the medium from washing away the sealing washer, improved the life of butterfly valve.
Drawings
FIG. 1 is a half cross-sectional view of an anti-scour butterfly valve according to the present invention, with the butterfly valve in a closed position;
FIG. 2 is a cross-sectional view taken along the direction A-A of FIG. 1, provided in accordance with the present invention;
FIG. 3 is a half cross-sectional view of an alternative operational state of an anti-scour butterfly valve according to the present invention, with the butterfly valve in an open state;
fig. 4 is a cross-sectional view in the direction B-B according to fig. 3 provided by the present invention.
In the figure, a valve body 1, an inlet 11, an outlet 12, a valve rod 2, a butterfly plate 3, a sealing ring 31, a first connecting part 32, a second connecting part 33, a regulating part 4, a cam 41, a connecting rod 42, a supporting sleeve 43, a butterfly plate protection mechanism 5, a protective cover 51, a sector 511, a side wall part 512, a sliding rod 52, a deflector rod 53, an elastic part 54, a valve seat 6, a locking mechanism 7, a lock disc 71 and a lock clamp 72 are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention discloses an anti-scouring butterfly valve, which comprises: the valve body 1 with import 11 and export 12, with rotatable mode set up in valve rod 2 on the valve body 1, fixed set up in butterfly plate 3 on the valve rod 2, butterfly plate 3 side is encircled and is provided with sealing washer 31, scour protection butterfly valve still includes regulation and control piece 4 and butterfly plate protection mechanism 5, works as after butterfly plate 3 opens, regulation and control piece 4 control butterfly plate protection mechanism 5 laminating in butterfly plate 3 is close to one side of import 11 in order to prevent sealing washer 31 is impacted by the medium.
Preferably, the butterfly plate protection mechanism 5 includes: the protective cover 51, the slide rod 52, the deflector rod 53 and the elastic piece 54. The protective cover 51 can be covered on one side of the butterfly plate 3; the sliding rod 52 passes through the butterfly plate 3 perpendicular to the direction of the butterfly plate 3 to be in sliding connection with the butterfly plate 3, one end of the sliding rod 52 is fixedly connected with the protective cover 51 of the butterfly plate 3, and the other end is connected with the deflector rod 53; the elastic piece 54 is abutted between the butterfly plate 3 and the protective cover 51, the regulating piece 4 is abutted with the deflector 53, and when the butterfly plate 3 is turned on, the regulating piece 4 is abutted with the deflector 53, so that the protective cover 51 is tightly attached to the butterfly plate 3 and covers one side of the butterfly plate 3 close to the inlet 11.
It should be noted that, in this embodiment, two sliding rods 52 are disposed on the protection cover 51, and the sliding rods 52 penetrate through the butterfly plate 3 and are connected to the shift rod 53.
It should be noted that, be provided with annular disk seat 6 on the valve body 1, when the butterfly plate 3 is closed, the sealing washer 31 closely laminate in the disk seat 6 with separation import 11 and export 12, when the butterfly plate 3 is opened, the protection casing 51 closely the butterfly plate 3 and can cover and locate the sealing washer 31 is close to one side of import 11.
Further, the protection cover 51 includes a fan-shaped portion 511 and a side wall portion 512, the fan-shaped portion 511 is parallel to the butterfly plate 3, the side wall portion 512 extends along an outer edge of the fan-shaped portion 511, and when the fan-shaped portion 511 is overlapped on the butterfly plate 3, the side wall portion 512 covers the sealing ring 31 to prevent the sealing ring 31 from being flushed by media.
Preferably, the regulating member 4 includes a cam 41 and a connecting rod 42 fixedly connected to the cam 41, the connecting rod 42 is fixedly arranged on the valve body 1, the connecting rod 42 is coaxial with the valve rod 2, the deflector 53 abuts against the cam 41, and the cam 41 can push the deflector 53 to a side far away from the butterfly plate 3 along with rotation of the butterfly plate 3, so that the protection cover 51 can be attached to the butterfly plate 3.
Preferably, the butterfly plate 3 is provided with a first connecting portion 32 and a second connecting portion 33, the first connecting portion 32 is fixedly connected with the valve rod 2, the second connecting portion 33 is rotatably connected with the connecting rod 42, and the butterfly plate 3 can be driven to rotate by rotating the valve rod 2.
Preferably, the connecting rod 42 is sleeved with a supporting sleeve 43, the lower end of the supporting sleeve 43 abuts against the valve body 1, and the upper end abuts against the second connecting portion 33.
Preferably, the upper end of the valve rod 2 is provided with a locking mechanism 7, which comprises: a lock disc 71 fixed on the valve body 1 and a lock clip 72 fixed on the valve rod 2, wherein a plurality of locking openings (not shown) are formed on the lock disc 71, and the lock clip 72 can be clamped into the locking openings so as to fix the valve rod 2 and the valve body 1.
The butterfly valve is in a closed state, as shown in fig. 1 and 2, the deflector 53 is abutted against the proximal side of the cam 41, a certain gap is formed between the protective cover 51 and the butterfly plate 3, so that the butterfly plate 3 can be tightly attached to the valve seat 6, when the butterfly valve needs to be opened, the locking clamp 72 is separated from the locking opening, the locking clamp 72 is rotated to drive the valve rod 2 to rotate, so that the butterfly plate 3 is driven to rotate, in the process of rotating the butterfly plate 3, the cam 41 abuts against the deflector 53, the deflector 53 is pushed to the side far away from the butterfly plate 3, so that the protective cover 51 gradually attaches to the surface of the butterfly plate 3, and meanwhile, the elastic piece 54 is extruded, when the butterfly plate 3 is rotated by 90 degrees, the fan-shaped part 511 of the protective cover 51 attaches to the front surface of the butterfly plate 3, the side wall part 512 attaches to the side surface of the butterfly plate 3, so that the sealing ring 31 is covered, in the process of flowing medium from the inlet 11 to the outlet 12 in the process of fig. 2 and 4, the sealing ring 31 is protected from the front surface of the protective cover 31, so that the service life of the sealing ring 31 is prolonged.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (2)
1. An anti-scour butterfly valve, the anti-scour butterfly valve comprising: the anti-scouring butterfly valve is characterized by also comprising a regulating part and a butterfly plate protection mechanism, wherein the regulating part controls the butterfly plate protection mechanism to be attached to one side of the butterfly plate close to the inlet after the butterfly plate is opened so as to prevent the sealing ring from being impacted by a medium;
the butterfly plate protection mechanism includes: the protective cover is covered on one side of the butterfly plate; the sliding rod penetrates through the butterfly plate in a direction perpendicular to the butterfly plate to be in sliding connection with the butterfly plate, one end of the sliding rod is fixedly connected with the butterfly plate protective cover, and the other end of the sliding rod is connected with a deflector rod; the elastic piece is abutted between the butterfly plate and the protective cover, the regulating piece is abutted with the deflector rod, and after the butterfly plate is rotated and opened, the regulating piece is abutted against the deflector rod, so that the protective cover is tightly attached to the butterfly plate and covers one side, close to the inlet, of the butterfly plate;
the regulating and controlling piece comprises a cam and a connecting rod fixedly connected to the cam, the connecting rod is fixedly arranged on the valve body, the connecting rod is coaxial with the valve rod, the deflector rod is abutted to the cam, and the cam can push the deflector rod to one side far away from the butterfly plate along with rotation of the butterfly plate, so that the protective cover can be covered on the butterfly plate;
the protective cover comprises a fan-shaped part and a side wall part, the fan-shaped part is parallel to the butterfly plate, the side wall part extends along the outer edge of the fan-shaped part, and when the fan-shaped part is overlapped on the butterfly plate, the side wall part covers the sealing ring to prevent the sealing ring from being washed by a medium;
the valve body is provided with an annular valve seat, when the butterfly plate is closed, the sealing ring is tightly attached to the valve seat to block media on two sides of the butterfly plate, and when the butterfly plate is opened, the protective cover can be covered on one side, close to the inlet, of the sealing ring;
the butterfly plate is provided with a first connecting part and a second connecting part, the first connecting part is fixedly connected with the valve rod, the second connecting part is rotationally connected with the connecting rod, and the butterfly plate can be driven to rotate by rotating the valve rod; the connecting rod is sleeved with a supporting sleeve, the lower end of the supporting sleeve is abutted to the valve body, and the upper end of the supporting sleeve is abutted to the second connecting portion.
2. The anti-flush butterfly valve of claim 1, wherein the upper end of the valve stem is provided with a locking mechanism comprising: the locking device comprises a locking disc fixed on the valve body and a locking clamp fixed on the valve rod, wherein a plurality of locking openings are formed in the locking disc, and the locking clamp can be clamped into the locking openings so as to fix the valve rod and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629058.8A CN111795157B (en) | 2020-07-03 | 2020-07-03 | Scour prevention butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010629058.8A CN111795157B (en) | 2020-07-03 | 2020-07-03 | Scour prevention butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111795157A CN111795157A (en) | 2020-10-20 |
| CN111795157B true CN111795157B (en) | 2023-08-08 |
Family
ID=72810961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010629058.8A Active CN111795157B (en) | 2020-07-03 | 2020-07-03 | Scour prevention butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111795157B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112392964B (en) * | 2020-10-29 | 2022-09-27 | 杭州良盛电气有限公司 | Self-control micro-pressure regulating valve |
| CN114263751A (en) * | 2021-12-11 | 2022-04-01 | 李岸隆 | Scour prevention butterfly valve |
| CN114382903A (en) * | 2022-01-25 | 2022-04-22 | 邹平鑫特铸造科技有限公司 | Butterfly valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563760A (en) * | 2004-03-16 | 2005-01-12 | 曹建钢 | Plane sealed 3-way valve |
| CN102777610A (en) * | 2012-07-10 | 2012-11-14 | 博纳斯威阀门有限公司 | Anti-scouring butterfly valve |
| CN103759034A (en) * | 2014-01-22 | 2014-04-30 | 高峰 | Pneumatic screwing check valve |
| JP2017203533A (en) * | 2016-05-13 | 2017-11-16 | 株式会社テージーケー | Butterfly valve |
| CN109058579A (en) * | 2018-09-18 | 2018-12-21 | 东营市科德化工有限公司 | A kind of method and device for preventing cooler butterfly valve from shutting |
-
2020
- 2020-07-03 CN CN202010629058.8A patent/CN111795157B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1563760A (en) * | 2004-03-16 | 2005-01-12 | 曹建钢 | Plane sealed 3-way valve |
| CN102777610A (en) * | 2012-07-10 | 2012-11-14 | 博纳斯威阀门有限公司 | Anti-scouring butterfly valve |
| CN103759034A (en) * | 2014-01-22 | 2014-04-30 | 高峰 | Pneumatic screwing check valve |
| JP2017203533A (en) * | 2016-05-13 | 2017-11-16 | 株式会社テージーケー | Butterfly valve |
| CN109058579A (en) * | 2018-09-18 | 2018-12-21 | 东营市科德化工有限公司 | A kind of method and device for preventing cooler butterfly valve from shutting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111795157A (en) | 2020-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111795157B (en) | Scour prevention butterfly valve | |
| CA2370996A1 (en) | Device for controlling flowing media | |
| CN111963706A (en) | Novel wear-resistant round rotary valve | |
| CN110778740A (en) | Double-scraper ring surface valve core and ball valve | |
| CN201621307U (en) | Non-rising stem butterfly knife gate valve | |
| CN209892782U (en) | Ball gate regulating valve | |
| CN218780776U (en) | Four-eccentric butterfly valve | |
| US3874631A (en) | Adjustable, corrosion-resistant, butterfly valve | |
| CN208503504U (en) | Butterfly valve | |
| CN111173969A (en) | Non-return and cut-off dual-purpose valve | |
| CN111779846A (en) | Butterfly valve | |
| CN213298848U (en) | Silt-proof butterfly valve | |
| CN101737511B (en) | Non-rising stem butterfly-shaped knife gate valve | |
| CN210661506U (en) | Hard sealing ball valve with adjustable flow | |
| CN111720620A (en) | Stop valve | |
| CN209180377U (en) | A kind of three eccentricity all-metal hard seal butterfly valve | |
| CN208793706U (en) | A kind of lining fire safe type high temperature tee joint butterfly valve | |
| CN207814605U (en) | A kind of follow-on butterfly valve | |
| CN207246443U (en) | A kind of bidirectional sealed butterfly valve | |
| CA1048478A (en) | Seatless valve | |
| CN219932974U (en) | Two-way sealing butterfly valve | |
| JPS60132177A (en) | Control valve | |
| CN220488311U (en) | Silt-proof butterfly valve | |
| CN220102096U (en) | Two-way sealing butterfly valve | |
| CN217874228U (en) | Valve seat with multiple sealing structures |
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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230714 Address after: No.888, 8 Weiyang Road, Gaoling District, Xi'an, Shaanxi 710000 Applicant after: Chevron Valve Group Co.,Ltd. Address before: No. 201, building 2, zone 1, No. 2, headquarters 2nd Road, Songshanhu hi tech Industrial Development Zone, Dongguan City, Guangdong Province, 523000 Applicant before: DONGGUAN HAITE PAWO HYDRAULIC TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |