CN206738591U - 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
- CN206738591U CN206738591U CN201720513793.6U CN201720513793U CN206738591U CN 206738591 U CN206738591 U CN 206738591U CN 201720513793 U CN201720513793 U CN 201720513793U CN 206738591 U CN206738591 U CN 206738591U
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- threaded rod
- sealing
- block
- valve plate
- side wall
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Abstract
The utility model 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 in the top 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 of second threaded rod and body connects, 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 in 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.The utility model 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
It the utility model is related to butterfly valve technical field, more particularly to a kind of double eccentric flexible sealing butterflies of favorable sealing property
Valve.
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.It is now widely used to be including double eccentric butterfly valve, its architectural feature
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, the mechanical wear between valve plate and valve seat and wiping during so as to reduce keying
Wound, it is relatively difficult that low discharge is adjusted for existing macrotype butterfly valve, and when adjusting low discharge, main regulation plate aperture needs
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.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and a kind of sealing property proposed is good
Good double eccentric flexible sealing butterfly valves.
To achieve these goals, the utility model employs following technical scheme：
A kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body, ring is installed on the inwall of the body
The fixture block of shape, the centre position of fixture block are sealedly connected with valve plate, fixed block, the top of body are welded with the side side wall of valve plate
Tumbler is fixed with by screw in side wall, the output end of tumbler is connected with vertically disposed second threaded rod, the second screw thread
The bottom of bar is connected with fixed block through the side wall of body, and the vertical section of fixed block is the side of arc, the second threaded rod and body
Wall is threadedly coupled, 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 equal
Sliding block provided with linear, sliding block are welded in the side wall of valve plate, and two sliding block sides close to each other are provided with chute, chute
Inside slidably connect sealing plate, sealing plate is provided with the first groove in the side side wall of first through hole, adhesion in the first groove
There is rubber slab, the side walls sealed connection of rubber slab and valve plate, the bottom of body is threaded with the first threaded rod, the first spiral shell
The top of rasp bar is rotatably connected to sealing plate, and the bottom of the first threaded rod is welded with rotational handle, and rotational handle is located at body
It is outside.
Preferably, first threaded rod and the second threaded rod are located along the same line.
Preferably, the top of the sliding block is welded with limited block.
Preferably, 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 is provided with neck, and the first sealing ring is embedded with neck.
Preferably, the top of the body and bottom are welded with sealing block, the first threaded rod and the second threaded rod with
Sealing block is slidably connected, and the first threaded rod and the junction of the second threaded rod and sealing block are equipped with the second sealing ring.
The beneficial effects of the utility model：Pass through body, fixture block, rotational handle, the first threaded rod, fixed block, the second spiral shell
The setting of rasp bar, tumbler, valve plate, first through hole, sliding block, sealing plate and rubber slab, it can realize that the dual precision of butterfly valve is adjusted
Section, high in low discharge degree of regulation, present apparatus cost simple in construction is low, the dual precision regulation of butterfly valve can be realized, in rill
It is high to measure degree of regulation.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of favorable sealing property double eccentric flexible sealing butterfly valves structural representation；
Fig. 2 be the utility model proposes a kind of favorable sealing property double eccentric flexible sealing butterfly valves local front view structure
Schematic diagram；
Fig. 3 be the utility model proposes a kind of favorable sealing property double eccentric flexible sealing butterfly valves partial side structure
Schematic diagram.
In figure：1 body, 2 fixture blocks, 3 rotational handles, 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 utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
Reference picture 1-3, a kind of double eccentric flexible sealing butterfly valves of favorable sealing property, including body 1, on the inwall of body 1
The fixture block 2 of annular is installed, the centre position of fixture block 2 is sealedly connected with valve plate 8, fixation is welded with the side side wall of valve plate 8
Block 5, tumbler 7 is fixed with by screw in the top 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 are connected with fixed block 5, the second threaded rod 6 and body 1 through the side wall of body 1
Sidewall thread connects, 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 in the side wall of valve plate 8, and two sides close to each other of sliding block 10 are equal
Chute is provided with, sealing plate 11 is slidably connected in chute, it is recessed that sealing plate 11 is provided with first in the side side wall of first through hole 9
Groove, in the first groove adhesion have rubber slab 12, 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
Rotational handle 3, rotational handle 3 are located at the outside of body 1, and 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 is provided with neck, and the first sealing ring is embedded with neck, 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 rotates, and the second threaded rod 6 drives valve plate 8 to rotate, so as to realize the regulation of uninterrupted, when carrying out low discharge regulation,
Rotational handle 3 is rotated, rotational handle 3 drives the first threaded rod 4 to rotate, and the first threaded rod 4 drives sealing plate 11 in the He of valve plate 11
Rubber slab 12 slides on valve plate 9, and sealing plate 11 slides in the chute on sliding block 10, so as to realize that low discharge is adjusted.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
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）Top 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, is slidably connected in chute
There is sealing plate（11）, sealing plate（11）Close to first through hole（9）Side side wall on be provided with the first groove, adhesion in 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
Rotational handle（3）, rotational 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.
A kind of 3. 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.
A kind of 4. 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
Neck, the first sealing ring is embedded with neck.
A kind of 5. 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 |
|---|---|---|---|
| CN201720513793.6U CN206738591U (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 |
|---|---|---|---|
| CN201720513793.6U CN206738591U (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 |
|---|---|
| CN206738591U true CN206738591U (en) | 2017-12-12 |
Family
ID=60565184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720513793.6U Expired - Fee Related CN206738591U (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) | CN206738591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-05-10 CN CN201720513793.6U patent/CN206738591U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20190510 |