CN110410509A - A kind of butterfly valve plate seal protecting device - Google Patents
A kind of butterfly valve plate seal protecting device Download PDFInfo
- Publication number
- CN110410509A CN110410509A CN201910679261.3A CN201910679261A CN110410509A CN 110410509 A CN110410509 A CN 110410509A CN 201910679261 A CN201910679261 A CN 201910679261A CN 110410509 A CN110410509 A CN 110410509A
- Authority
- CN
- China
- Prior art keywords
- butterfly valve
- seal
- valve plate
- plate
- valve
- 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.)
- Granted
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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
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of butterfly valve plate seal protecting devices; more particularly to butterfly valve technical field; including butterfly valve body; the butterfly valve body is internally provided with butterfly valve seal valve plate; valve shaft is provided in the middle part of the butterfly valve seal valve plate, inner wall is provided with seal land circle in the middle part of the butterfly valve body, and seal land circle side is provided with seal groove; butterfly valve seal valve plate periphery is provided with sealing rubber ring, and the butterfly valve seal valve plate bottom side is provided with valve plate seal protection mechanism；Valve plate seal protection mechanism includes device backing plate, and described device backing plate is set to butterfly valve seal valve plate bottom side, is provided with device cover board on the outside of described device backing plate.The present invention is by protection board automatically from the stretching in accommodating groove; the protection board of the arc-shaped setting in section heads on to butterfly valve seal valve plate and is carried out cladding protection by the sealing rubber ring of water impact; sealing rubber ring is avoided to wear; improve the service life of butterfly valve; the " locked in " operation for avoiding influencing butterfly valve, facilitates the use of butterfly valve.
Description
Technical field
The present invention relates to butterfly valve technical fields, it is more particularly related to a kind of butterfly valve plate seal protecting device.
Background technique
When butterfly valve carries out " locked in " operation, butterfly valve seal valve plate 2 follows the rotation of valve shaft 3 to be rotated, from horizontality
It is turned over to vertical state, using the extruding of sealing rubber ring 6 and seal land circle 4, realizes the closing of butterfly valve, butterfly valve is close
One of valve with fastest developing speed over 30 years, especially multi-level three eccentric metal sealed butterfly valve.Butterfly valve is fluid media (medium) delivery pipe
The valve being commonly used on road, due to being influenced by pumped (conveying) medium, after butterfly valve plate soft sealing face is washed away for a long time by medium front,
It causes valve plate soft sealing face impaired, causes valve seal to fail, cause dielectric leakage phenomenon, make production have to stop, more
Renew valve.The valve of this no valve plate seal protecting device, causes the service life of valve shorter, brings cost to production
Height, production efficiency are low.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of butterfly valve plate seal protection dress
Set, by protection board automatically from the stretching in accommodating groove, the protection board of the arc-shaped setting in section to butterfly valve seal valve plate head-on by
Sealing rubber ring to water impact carries out cladding protection, and sealing rubber ring is avoided to wear, and improves the service life of butterfly valve, avoids influencing
The " locked in " operation of butterfly valve facilitates the use of butterfly valve, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of butterfly valve plate seal protecting device, including butterfly
Valve body, the butterfly valve body is internally provided with butterfly valve seal valve plate, is provided with valve shaft in the middle part of the butterfly valve seal valve plate, described
Inner wall is provided with seal land circle in the middle part of butterfly valve body, and seal land circle side is provided with seal groove, butterfly valve seal valve plate circumference
Periphery is provided with sealing rubber ring, and the butterfly valve seal valve plate bottom side is provided with valve plate seal protection mechanism；
Valve plate seal protection mechanism includes device backing plate, and described device backing plate is set to butterfly valve seal valve plate bottom one
Side is provided with device cover board on the outside of described device backing plate, is provided with accommodating groove on the inside of described device cover board, inside the accommodating groove
It is provided with protection board, described device pad surfaces are provided with loose slot, are provided with movable block, the activity on the inside of the protection board
Spring is provided between slot one end and movable block.
In a preferred embodiment, described device backing plate side view is set as arc-shaped, and and butterfly valve seal
Valve plate is fixedly welded, and the seal groove top side is provided with positioning water fender, the positioning water fender and butterfly valve seal valve plate
Top matches.
In a preferred embodiment, described device cover board matches with device backing plate shape, described device backing plate
It is bolted to connection with device cover board.
In a preferred embodiment, the protection board side view and cross sectional shape are arc-shaped setting, institute
Accommodating groove is stated to be slidably connected with protection board.
In a preferred embodiment, the loose slot is identical as movable number of blocks setting, and is disposed as nine,
The loose slot is flexibly connected with movable block.
In a preferred embodiment, the protection board bottom end matches with seal land circle side, described device lid
Board bottom end matches with seal groove.
In a preferred embodiment, the sealing rubber ring side is provided with compacting ring, the butterfly valve seal valve plate
The other side is provided with locating convex block, and the compacting ring surface is provided with positioning groove.
In a preferred embodiment, the locating convex block matches with positioning groove, and the company of being bolted
It connects, the sealing rubber ring matches with seal land circle inner surface.
Technical effect and advantage of the invention:
1, device cover board is fixedly mounted on device pad surfaces using bolt, is passed through by the present invention by setting protection board
Spring in loose slot pushes the movable block on the inside of protection board, drives protection board automatically from the stretching in accommodating groove, section circular arc
The protection board of shape setting, which heads on to butterfly valve seal valve plate, is carried out cladding protection by the sealing rubber ring of water impact, avoids sealant
Circle abrasion, improves the service life of butterfly valve, and when butterfly valve carries out " locked in " operation, protection board bottom end is contradicted in seal land circle side,
It using rotatory force compressed spring, realizes that protection board is shunk back in accommodating groove automatically, avoids the " locked in " operation for influencing butterfly valve, facilitate butterfly
The use of valve；
2, sealing rubber ring is now placed on butterfly valve seal valve when installing sealing rubber ring by the way that compacting ring is arranged by the present invention
Plate surface, then ring cover will be compressed on sealing rubber ring, locating convex block is directed at positioning groove, carries out positioning placement to compacting ring, side
Just it tightens bolt to be fixed, realizes that compacting ring is fixed sealing rubber ring, facilitate the installation of sealing rubber ring to fix, in turn
Facilitate the installation of butterfly valve seal valve plate.
Detailed description of the invention
Fig. 1 is the overall schematic of butterfly valve closed state of the invention.
Fig. 2 is the overall schematic of butterfly valve open state of the invention.
Fig. 3 is the portion the A schematic diagram of Fig. 1 of the present invention.
Fig. 4 is the overall schematic of protection board of the present invention.
Fig. 5 is the overall schematic of apparatus of the present invention backing plate.
Fig. 6 is the bright schematic side view of this hair butterfly valve seal valve plate.
Fig. 7 is the schematic side view of compacting ring of the present invention.
Appended drawing reference are as follows: 1 butterfly valve body, 2 butterfly valve seal valve plates, 3 valve shafts, 4 seal land circles, 5 seal grooves, 6 sealing rubber rings,
7 device backing plates, 8 device cover boards, 9 accommodating grooves, 10 protection boards, 11 loose slots, 12 movable blocks, 13 springs, 14 positioning water fenders, 15
Compacting ring, 16 locating convex blocks, 17 positioning grooves.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is described the present invention provides a kind of butterfly valve plate seal protecting device as shown in Figs. 1-5, including butterfly valve body 1
Butterfly valve body 1 is internally provided with butterfly valve seal valve plate 2, and valve shaft 3, the butterfly valve valve are provided in the middle part of the butterfly valve seal valve plate 2
1 middle part inner wall of body is provided with seal land circle 4, and 4 side of seal land circle is provided with seal groove 5, outside 2 circumference of butterfly valve seal valve plate
It encloses and is provided with sealing rubber ring 6,2 bottom side of butterfly valve seal valve plate is provided with valve plate seal protection mechanism；
Valve plate seal protection mechanism includes device backing plate 7, and described device backing plate 7 is set to 2 bottom of butterfly valve seal valve plate
Portion side is provided with device cover board 8 on the outside of described device backing plate 7, accommodating groove 9, the receipts is provided on the inside of described device cover board 8
Slot 9 of receiving is internally provided with protection board 10, and 7 surface of described device backing plate is provided with loose slot 11, is arranged on the inside of the protection board 10
There is movable block 12, is provided with spring 13 between described 11 one end of loose slot and movable block 12.
Further, 7 side view of described device backing plate is set as arc-shaped, and is fixedly welded with butterfly valve seal valve plate 2,
5 top side of seal groove is provided with positioning water fender 14, the positioning water fender 14 and 2 top phase of butterfly valve seal valve plate
Match.
Further, described device cover board 8 matches with 7 shape of device backing plate, described device backing plate 7 and device cover board 8
It is bolted to connection, 8 bottom end side of described device cover board is shaped to arc-shaped.
Further, 10 side view of protection board and cross sectional shape are arc-shaped setting, the accommodating groove 9 and guarantor
Backplate 10 is slidably connected.
Further, 10 side view of protection board and cross sectional shape are arc-shaped setting, the accommodating groove 9 and guarantor
Backplate 10 is slidably connected.
Further, 10 bottom end of protection board matches with 4 side of seal land circle, 8 bottom end of described device cover board with it is close
Sealing groove 5 matches.
Embodiment specifically: in opened butterfly valve, valve shaft 3 is rotated, and drives butterfly valve seal valve plate 2 to rotate, butterfly valve seal
Valve plate 2 turns to the state parallel with flow direction, realizes the whole open state for reaching butterfly valve, the spring inside loose slot 11
13 push movable block 12, drive protection board 10 automatically from the stretching in accommodating groove 9, the protection board 10 of the arc-shaped setting in section is to butterfly
Valve sealing valve plate 2, which heads on, is carried out cladding protection by the sealing rubber ring 6 of water impact, resists rushing for water flow using protection board 10
Brush realizes the protection to sealing rubber ring 6, avoids sealing rubber ring 6 from wearing, improves the service life of butterfly valve, in installation valve plate sealing
When protection mechanism, device backing plate 7 is fixed on 2 bottom end side of butterfly valve seal valve plate by welding, then spring 13 is placed on
In loose slot 11 on device backing plate 7, the 12 alignment activity slot 11 of movable block of 10 inside of protection board is installed, nine movable blocks
12 alignments are installed in nine loose slots 11, and 12 one end of movable block is contacted with spring 13, the other end and loose slot 11 of spring 13
Inner wall contact, realize and push movable block 12 to move in loose slot 11 using the elastic force of spring 13, then device cover board 8 is covered
On protection board 10, the protection board 10 made is placed in accommodating groove 9, using bolt pass through device backing plate 7 and device cover board 8 it
Between, which needs may be configured as multiple groups according to installation, and the installation improved between device backing plate 7 and device cover board 8 is stablized
Property, bolt is finally tightened, device backing plate 7 is fixedly connected with device cover board 8, realizes the installation of valve plate seal protection mechanism
Fixed, when butterfly valve carries out " locked in " operation, butterfly valve seal valve plate 2 follows the rotation of valve shaft 3 to be rotated, from horizontality to perpendicular
Straight state is turned over, and using the extruding of sealing rubber ring 6 and seal land circle 4, the closing of butterfly valve is realized, in butterfly valve seal valve
In the rotation process of plate 2, the protection board 10 stretched out from accommodating groove 9 is contacted with the side of seal land circle 4 at first, 10 bottom of protection board
End is contradicted in 4 side of seal land circle, with the lasting rotation of butterfly valve seal valve plate 2, applies one to accommodating groove 9 to protection board 10
Reaction force, using 2 rotatory force of butterfly valve seal valve plate formed force compression spring 13, and then drive movable block 12 in work
It is moved in dynamic slot 11, protection board 10 is driven to be shunk back in accommodating groove 9 automatically, avoided the " locked in " operation for influencing butterfly valve, facilitate butterfly valve
Use, and in butterfly valve closed process, when butterfly valve seal valve plate 2 is in vertical state, 2 tip contact of butterfly valve seal valve plate is arrived
Water fender 14 is positioned, 2 top gap of butterfly valve seal valve plate is stopped using positioning water fender 14, water flow is avoided directly to impact
Sealing effect, the device cover board on 2 bottom end of butterfly valve seal valve plate are improved in gap between butterfly valve seal valve plate 2 and butterfly valve body 1
8 opposite protrusions extend the integral radius of 2 bottom end of butterfly valve seal valve plate of disk dress shape, touch sealing using device cover board 8
The cell wall of slot 5, the same function of realizing positioning water fender 14, stops 2 bottom end gap of butterfly valve seal valve plate, avoids water flow
The gap between butterfly valve seal valve plate 2 and butterfly valve body 1 is directly impacted, sealing effect is improved, the integrally closed of butterfly valve is promoted,
Facilitate the use of butterfly valve；
A kind of butterfly valve plate seal protecting device as shown in Fig. 1 and 6-7,6 side of sealing rubber ring are provided with compression
Circle 15,2 other side of butterfly valve seal valve plate is provided with locating convex block 16, and 15 surface of compacting ring is provided with positioning groove
17。
Further, the locating convex block 16 matches with positioning groove 17, and is bolted to connection, the sealing
Cushion rubber 6 matches with 4 inner surface of seal land circle.
Embodiment specifically: when installing sealing rubber ring 6, sealing rubber ring 6 is now placed on 2 table of butterfly valve seal valve plate
Face, another side surface of butterfly valve seal valve plate 2 are provided with the placing groove of installation sealing rubber ring 6, and the sealing rubber ring 6 of circular ring shape setting is pacified
It is covered on sealing rubber ring 6 in the placing groove, then by compacting ring 15, locating convex block 16 is directed at positioning groove 17, locating convex block
16 is identical as the quantity setting of positioning groove 17, carries out positioning placement, setting inside each locating convex block 16 to compacting ring 15
It is equipped with bolt hole, meanwhile, 17 inside of positioning groove is same to be correspondingly arranged on bolt hole, and bolt passes through two bolts hole and carries out spiral shell
Line connection, conveniently tightens bolt and is fixed, compacting ring 15 and butterfly valve seal valve plate 2 are fixedly connected, compacting ring 15
The clamping slot that pinch seal cushion rubber 6 is formed between 2 periphery of periphery and butterfly valve seal valve plate realizes compacting ring 15 to close
Sealing rubber ring 6 is fixed, and the installation of sealing rubber ring 6 is facilitated to fix, and then facilitates the installation of butterfly valve seal valve plate 2, in butterfly valve
When carrying out " locked in " operation, butterfly valve seal valve plate 2 follows the rotation of valve shaft 3 to be rotated, and carries out from horizontality to vertical state
It turns over, using the extruding of sealing rubber ring 6 and seal land circle 4, realizes the closing of butterfly valve.
Working principle of the present invention:
Referring to Figure of description 1-5, in opened butterfly valve, valve shaft 3 is rotated, and butterfly valve seal valve plate 2 is driven to rotate, and butterfly valve is close
Envelope valve plate 2 turns to the state parallel with flow direction, and the spring 13 inside loose slot 11 pushes movable block 12, drives protection board
10 automatically from the stretching in accommodating groove 9, and the protection board 10 of the arc-shaped setting in section is head-on rushed butterfly valve seal valve plate 2 by water flow
The sealing rubber ring 6 hit carries out cladding protection, resists washing away for water flow using protection board 10, realizes the protection to sealing rubber ring 6, keep away
Exempt from the abrasion of sealing rubber ring 6, improve the service life of butterfly valve, when butterfly valve carries out " locked in " operation, butterfly valve seal valve plate 2 follows valve shaft
3 rotation is rotated, and is turned over from horizontality to vertical state, and squeezing for sealing rubber ring 6 and seal land circle 4 is utilized
Pressure, realizes the closing of butterfly valve, and 10 bottom end of protection board contradicts in 4 side of seal land circle, using rotatory force compressed spring 13, realizes and protect
Backplate 10 is shunk back automatically in accommodating groove 9, is avoided the " locked in " operation for influencing butterfly valve, is facilitated the use of butterfly valve；
Sealing rubber ring 6 is now placed on butterfly valve seal valve when installing sealing rubber ring 6 referring to Figure of description 1 and 6-7
2 surface of plate, then compacting ring 15 is covered on sealing rubber ring 6, locating convex block 16 is directed at positioning groove 17, determines compacting ring 15
Position is placed, and is conveniently tightened bolt and is fixed, and is realized being fixed to sealing rubber ring 6 of compacting ring 15, is facilitated sealing rubber ring 6
Installation is fixed, and then facilitates the installation of butterfly valve seal valve plate 2, convenient when butterfly valve carries out " locked in " operation, butterfly valve seal valve plate 2 with
It is rotated with the rotation of valve shaft 3, is turned over from horizontality to vertical state, utilize sealing rubber ring 6 and seal land
The extruding of circle 4, realizes the closing of butterfly valve.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, other knots
Structure, which can refer to, to be commonly designed, and under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of butterfly valve plate seal protecting device, including butterfly valve body (1), it is characterised in that: the butterfly valve body (1) is internal
It is provided with butterfly valve seal valve plate (2), is provided with valve shaft (3) in the middle part of the butterfly valve seal valve plate (2), in the butterfly valve body (1)
Portion's inner wall is provided with seal land circle (4), and seal land circle (4) side is provided with slot (5), outside butterfly valve seal valve plate (2) circumference
It encloses and is provided with sealing rubber ring (6), butterfly valve seal valve plate (2) bottom side is provided with valve plate seal protection mechanism；
Valve plate seal protection mechanism includes device backing plate (7), and described device backing plate (7) is set to butterfly valve seal valve plate (2)
Bottom side, described device backing plate (7) outside are provided with device cover board (8), are provided with accommodating groove on the inside of described device cover board (8)
(9), the accommodating groove (9) is internally provided with protection board (10), and described device backing plate (7) surface is provided with loose slot (11), institute
It states and is provided with movable block (12) on the inside of protection board (10), be provided with spring between described loose slot (11) one end and movable block (12)
(13)。
2. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: described device backing plate (7)
Side view is set as arc-shaped, and is fixedly welded with butterfly valve seal valve plate (2), and seal groove (5) top side is provided with
It positions water fender (14), matches at the top of the positioning water fender (14) and butterfly valve seal valve plate (2).
3. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: described device cover board (8)
Match with device backing plate (7) shape, described device backing plate (7) is bolted to connection with device cover board (8), described device
Cover board (8) bottom end side is shaped to arc-shaped.
4. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: protection board (10) side
Face shape and cross sectional shape are arc-shaped setting, and the accommodating groove (9) is slidably connected with protection board (10).
5. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: the loose slot (11) with
The setting of movable block (12) quantity is identical, and is disposed as nine, and the loose slot (11) is flexibly connected with movable block (12).
6. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: protection board (10) bottom
End matches with seal land circle (4) side, and described device cover board (8) bottom end matches with seal groove (5).
7. a kind of butterfly valve plate seal protecting device according to claim 1, it is characterised in that: the sealing rubber ring (6)
Side is provided with compacting ring (15), and butterfly valve seal valve plate (2) other side is provided with locating convex block (16), the compacting ring
(15) surface is provided with positioning groove (17).
8. a kind of butterfly valve plate seal protecting device according to claim 7, it is characterised in that: the locating convex block (16)
Match with positioning groove (17), and is bolted to connection, the sealing rubber ring (6) and seal land circle (4) inner surface
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679261.3A CN110410509B (en) | 2019-07-22 | 2019-07-22 | Butterfly valve plate seals protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679261.3A CN110410509B (en) | 2019-07-22 | 2019-07-22 | Butterfly valve plate seals protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110410509A true CN110410509A (en) | 2019-11-05 |
| CN110410509B CN110410509B (en) | 2022-04-01 |
Family
ID=68363375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910679261.3A Active CN110410509B (en) | 2019-07-22 | 2019-07-22 | Butterfly valve plate seals protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410509B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425630A (en) * | 2020-03-30 | 2020-07-17 | 刘长苗 | Multidirectional UNICOM control flap of sewage factory drainage pipe |
| CN113280133A (en) * | 2021-07-23 | 2021-08-20 | 山东泰恒智能环境科技有限公司 | High barrier propterty butterfly valve |
| CN114992343A (en) * | 2022-08-03 | 2022-09-02 | 廊坊市源晨环保科技有限公司 | High barrier propterty butterfly valve |
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| CN203202254U (en) * | 2013-02-02 | 2013-09-18 | 浙江重工阀门集团有限公司 | Double-eccentric and bidirectional metallic seal butterfly valve |
| CN103759026A (en) * | 2013-12-30 | 2014-04-30 | 宁波市天基隆智控技术有限公司 | Butterfly valve |
| JP2016142286A (en) * | 2015-01-30 | 2016-08-08 | Ｊｆｅスチール株式会社 | Exhaust gas selector valve and heating furnace |
| CN207261675U (en) * | 2017-08-30 | 2018-04-20 | 天津中阀阀门有限公司 | Tetrafluoro butterfly valve with buffer layer valve seat |
| CN108662163A (en) * | 2018-06-27 | 2018-10-16 | 浙江金浦实业有限公司 | High-performance butterfly valve |
| CN109737209A (en) * | 2019-03-06 | 2019-05-10 | 刘旭 | A kind of protection against erosion butterfly valve |
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2019
- 2019-07-22 CN CN201910679261.3A patent/CN110410509B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203202254U (en) * | 2013-02-02 | 2013-09-18 | 浙江重工阀门集团有限公司 | Double-eccentric and bidirectional metallic seal butterfly valve |
| CN103759026A (en) * | 2013-12-30 | 2014-04-30 | 宁波市天基隆智控技术有限公司 | Butterfly valve |
| JP2016142286A (en) * | 2015-01-30 | 2016-08-08 | Ｊｆｅスチール株式会社 | Exhaust gas selector valve and heating furnace |
| CN207261675U (en) * | 2017-08-30 | 2018-04-20 | 天津中阀阀门有限公司 | Tetrafluoro butterfly valve with buffer layer valve seat |
| CN108662163A (en) * | 2018-06-27 | 2018-10-16 | 浙江金浦实业有限公司 | High-performance butterfly valve |
| CN109737209A (en) * | 2019-03-06 | 2019-05-10 | 刘旭 | A kind of protection against erosion butterfly valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425630A (en) * | 2020-03-30 | 2020-07-17 | 刘长苗 | Multidirectional UNICOM control flap of sewage factory drainage pipe |
| CN113280133A (en) * | 2021-07-23 | 2021-08-20 | 山东泰恒智能环境科技有限公司 | High barrier propterty butterfly valve |
| CN114992343A (en) * | 2022-08-03 | 2022-09-02 | 廊坊市源晨环保科技有限公司 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110410509B (en) | 2022-04-01 |
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