CN107091333A - A kind of double eccentric flexible sealing butterfly valves of favorable sealing property - Google Patents
A kind of double eccentric flexible sealing butterfly valves of favorable sealing property Download PDFInfo
- Publication number
- CN107091333A CN107091333A CN201710325306.8A CN201710325306A CN107091333A CN 107091333 A CN107091333 A CN 107091333A CN 201710325306 A CN201710325306 A CN 201710325306A CN 107091333 A CN107091333 A CN 107091333A
- Authority
- CN
- China
- Prior art keywords
- threaded rod
- sealing
- block
- valve plate
- side wall
- 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.)
- Pending
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Classifications
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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
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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
- F16K1/228—Movable sealing bodies
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/32—Details
- F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- 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
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
Abstract
The invention discloses a kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body, the fixture block of annular is installed on the inwall of the body, the centre position of fixture block is sealedly connected with valve plate, fixed block is welded with the side side wall of valve plate, tumbler is fixed with by screw on the tip side wall of body, the output end of tumbler is connected with vertically disposed second threaded rod, the bottom of second threaded rod is connected with fixed block through the side wall of body, the vertical section of fixed block is arc, the sidewall thread connection of second threaded rod and body, the centre position of valve plate is provided with first through hole, the vertical section of first through hole is rectangle, the both sides of first through hole are equipped with the sliding block of linear, sliding block is welded on the side wall of valve plate, two sliding block sides close to each other are provided with chute, sealing plate is slidably connected in chute.Present invention cost simple in construction is low, can realize the dual precision regulation of butterfly valve, high in low discharge degree of regulation.
Description
Technical field
The present invention relates to double eccentric flexible sealing butterfly valves of butterfly valve technical field, more particularly to a kind of favorable sealing property.
Background technology
Butterfly valve is called flap valve, is a kind of regulating valve simple in construction, simultaneously can be used for the switch of low pressure pipeline medium
Control.Butterfly valve refers to that closure member (valve plate or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation,
It is main on pipeline to play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal valve plate, around the axle of its own in valve body
Line rotates, so as to reach the purpose for opening and closing or adjusting.Now widely used including double eccentric butterfly valve, its architectural feature is
Both deviate valve plate center in valve rod axle center, also offset from valve body center, the sealing surface of valve plate opposite valve seat sealing surface in valve opening and closing
There is one gradually to go out to depart from and be fade-in extruding, so as to reduce mechanical wear during keying between valve plate and valve seat and wiping
Wound, it is relatively difficult that low discharge is adjusted for existing macrotype butterfly valve, and during regulation low discharge, main regulation plate aperture is needed
Small, adjusting deviation is big, therefore low discharge degree of regulation is poor, is this it is proposed that a kind of double eccentric flexible sealings of favorable sealing property
Butterfly valve.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of favorable sealing property proposed
Double eccentric flexible sealing butterfly valves.
To achieve these goals, present invention employs following technical scheme：
Annular is installed on a kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body, the inwall of the body
Fixture block, the centre position of fixture block, which is sealedly connected with valve plate, the side side wall of valve plate, is welded with fixed block, the tip side wall of body
Upper to be fixed with tumbler by screw, the output end of tumbler is connected with vertically disposed second threaded rod, the second threaded rod
Bottom is connected with fixed block through the side wall of body, and the vertical section of fixed block is the side wall spiral shell of arc, the second threaded rod and body
Line is connected, and the centre position of valve plate is provided with first through hole, and the vertical section of first through hole is rectangle, and the both sides of first through hole are equipped with
The sliding block of linear, sliding block is welded on the side wall of valve plate, and two sliding block sides close to each other are provided with chute, chute sliding
Dynamic to be connected with sealing plate, sealing plate is provided with adhesion in the first groove, the first groove on the side side wall of first through hole rubber
The side walls of offset plate, rubber slab and valve plate are tightly connected, and the bottom of body is threaded with the first threaded rod, the first threaded rod
Top be rotatably connected to sealing plate, the bottom of the first threaded rod is welded with rotation handle, rotates the outside that handle is located at body.
It is preferred that, first threaded rod and the second threaded rod are located along the same line.
It is preferred that, the top of the sliding block is welded with limited block.
It is preferred that, the inwall of the fixture block is arc, and the sidewall slope of valve plate is set, the inwall of fixture block and the outside of valve plate
Wall, which is provided with neck, neck, is embedded with the first sealing ring.
It is preferred that, the top and bottom of the body are welded with sealing block, the first threaded rod and the second threaded rod with
Sealing block is slidably connected, and the junction of the first threaded rod and the second threaded rod and sealing block is equipped with the second sealing ring.
Beneficial effects of the present invention：By body, fixture block, rotate handle, the first threaded rod, fixed block, the second threaded rod,
Tumbler, valve plate, first through hole, sliding block, the setting of sealing plate and rubber slab, can realize the dual precision regulation of butterfly valve,
Low discharge degree of regulation is high, and present apparatus cost simple in construction is low, the dual precision regulation of butterfly valve can be realized, in low discharge regulation
Precision is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of double eccentric flexible sealing butterfly valves of favorable sealing property proposed by the present invention；
Fig. 2 is a kind of local main structure diagram of double eccentric flexible sealing butterfly valves of favorable sealing property proposed by the present invention；
Fig. 3 is a kind of partial side structural representation of double eccentric flexible sealing butterfly valves of favorable sealing property proposed by the present invention.
In figure：1 body, 2 fixture blocks, 3 rotate handle, 4 first threaded rods, 5 fixed blocks, 6 second threaded rods, 7 tumblers, 8
Valve plate, 9 first through hole, 10 sliding blocks, 11 sealing plates, 12 rubber slabs.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
On reference picture 1-3, a kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body 1, the inwall of body 1
The fixture block 2 of annular is installed, the centre position of fixture block 2, which is sealedly connected with valve plate 8, the side side wall of valve plate 8, is welded with fixation
Tumbler 7 is fixed with by screw on block 5, the tip side wall of body 1, the output end of tumbler 7 is connected with vertically disposed
Two threaded rods 6, the bottom of the second threaded rod 6 is connected with fixed block 5, the second threaded rod 6 and body 1 through the side wall of body 1
Sidewall thread is connected, and the centre position of valve plate 8 is provided with first through hole 9, and the vertical section of first through hole 9 is rectangle, first through hole 9
Both sides are equipped with the sliding block 10 of linear, and sliding block 10 is welded on the side wall of valve plate 8, and two sides close to each other of sliding block 10 are equal
It is provided with chute, chute and slidably connects sealing plate 11, it is recessed that sealing plate 11 is provided with first on the side side wall of first through hole 9
Adhesion has rubber slab 12 in groove, the first groove, and the side walls of rubber slab 12 and valve plate 8 are tightly connected, the bottom screw thread of body 1
The first threaded rod 4 is connected with, the top of the first threaded rod 4 is rotatably connected to sealing plate 11, and the bottom of the first threaded rod 4 is welded with
Handle 3 is rotated, the outside that handle 3 is located at body 1 is rotated, the first threaded rod 4 and the second threaded rod 6 are located along the same line, sliding
The top of block 10 is welded with limited block, and the inwall of fixture block 2 is arc, and the sidewall slope of valve plate 8 is set, the inwall and valve of fixture block 2
The lateral wall of plate 8, which is provided with neck, neck, is embedded with the first sealing ring, and the top and bottom of body 1 are welded with sealing
Block, the first threaded rod 4 and the second threaded rod 6 are slidably connected with sealing block, and the first threaded rod 4 and the second threaded rod 6 with it is close
The junction of envelope block is equipped with the second sealing ring.
Operation principle：When carrying out big flow regulation, the second spiral shell is driven by the handle drives tumbler 7 on tumbler 7
Rasp bar 6 is rotated, and the second threaded rod 6 drives valve plate 8 to rotate, so that the regulation of uninterrupted is realized, when carrying out low discharge regulation,
Handle 3 is rotated, handle 3 is rotated and drives the first threaded rod 4 to rotate, the first threaded rod 4 drives sealing plate 11 in the He of valve plate 11
Rubber slab 12 is slided on valve plate 9, and sealing plate 11 is slided in the chute on sliding block 10, so as to realize that low discharge is adjusted.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body（1）, it is characterised in that the body（1）'s
The fixture block of annular is installed on inwall（2）, fixture block（2）Centre position be sealedly connected with valve plate（8）, valve plate（8）Side side
Fixed block is welded with wall（5）, body（1）Tip side wall on tumbler is fixed with by screw（7）, tumbler（7）It is defeated
Go out end and be connected with vertically disposed second threaded rod（6）, the second threaded rod（6）Bottom pass through body（1）Side wall be connected with
Fixed block（5）, the second threaded rod（6）With body（1）Sidewall thread connection, valve plate（8）Centre position be provided with first through hole
（9）, first through hole（9）Vertical section be rectangle, first through hole（9）Both sides be equipped with the sliding block of linear（10）, sliding block
（10）It is welded on valve plate（8）Side wall on, two sliding blocks（10）Side close to each other is provided with chute, chute and is slidably connected
There is sealing plate（11）, sealing plate（11）Close to first through hole（9）Side side wall on be provided with adhesion in the first groove, the first groove
There is rubber slab（12）, rubber slab（12）With valve plate（8）Side walls be tightly connected, body（1）Bottom be threaded with
One threaded rod（4）, the first threaded rod（4）Top be rotatably connected to sealing plate（11）, the first threaded rod（4）Bottom be welded with
Rotate handle（3）, rotate handle（3）Positioned at body（1）Outside.
2. double eccentric flexible sealing butterfly valves of a kind of favorable sealing property according to claim 1, it is characterised in that described
One threaded rod（4）With the second threaded rod（6）It is located along the same line.
3. a kind of double eccentric flexible sealing butterfly valves of favorable sealing property according to claim 1, it is characterised in that the cunning
Block（10）Top be welded with limited block.
4. a kind of double eccentric flexible sealing butterfly valves of favorable sealing property according to claim 1, it is characterised in that the card
Block（2）Inwall be arc, valve plate（8）Sidewall slope set, fixture block（2）Inwall and valve plate（8）Lateral wall be provided with
The first sealing ring is embedded with neck, neck.
5. a kind of double eccentric flexible sealing butterfly valves of favorable sealing property according to claim 1, it is characterised in that the pipe
Body（1）Top and bottom be welded with sealing block, the first threaded rod（4）With the second threaded rod（6）Slide and connect with sealing block
Connect, and the first threaded rod（4）With the second threaded rod（6）The second sealing ring is equipped with the junction of sealing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325306.8A CN107091333A (en) | 2017-05-10 | 2017-05-10 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325306.8A CN107091333A (en) | 2017-05-10 | 2017-05-10 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091333A true CN107091333A (en) | 2017-08-25 |
Family
ID=59638490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710325306.8A Pending CN107091333A (en) | 2017-05-10 | 2017-05-10 | A kind of double eccentric flexible sealing butterfly valves of favorable sealing property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091333A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907647A (en) * | 2017-12-15 | 2018-04-13 | 重庆晓微城企业孵化器有限公司 | Control the cutting device of biology sensor liquid storage cylinder on off operating mode |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN109595348A (en) * | 2018-12-25 | 2019-04-09 | 北京兴博元科技发展有限责任公司 | A kind of ventilation butterfly valve that can accurately adjust air quantity |
-
2017
- 2017-05-10 CN CN201710325306.8A patent/CN107091333A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907647A (en) * | 2017-12-15 | 2018-04-13 | 重庆晓微城企业孵化器有限公司 | Control the cutting device of biology sensor liquid storage cylinder on off operating mode |
| CN107907647B (en) * | 2017-12-15 | 2023-08-25 | 重庆晓渝机器人有限公司 | Cut-off device for controlling on-off state of liquid storage cavity of biosensor |
| CN109185483A (en) * | 2018-10-02 | 2019-01-11 | 盐城欧润石化设备制造有限公司 | A kind of combined valve |
| CN109595348A (en) * | 2018-12-25 | 2019-04-09 | 北京兴博元科技发展有限责任公司 | A kind of ventilation butterfly valve that can accurately adjust air quantity |
| CN109595348B (en) * | 2018-12-25 | 2024-02-27 | 北京兴博元科技发展有限责任公司 | Ventilation butterfly valve capable of accurately adjusting air quantity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170825 |
|
| WD01 | Invention patent application deemed withdrawn after publication |