CN213575569U - Double-shaft double-butterfly elastic sealing valve - Google Patents
Double-shaft double-butterfly elastic sealing valve Download PDFInfo
- Publication number
- CN213575569U CN213575569U CN202022631774.8U CN202022631774U CN213575569U CN 213575569 U CN213575569 U CN 213575569U CN 202022631774 U CN202022631774 U CN 202022631774U CN 213575569 U CN213575569 U CN 213575569U
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- Prior art keywords
- butterfly
- valve
- double
- hole
- valve body
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 15
- 125000006850 spacer group Chemical group 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 3
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 3
- 241001330002 Bambuseae Species 0.000 abstract 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 3
- 239000011425 bamboo Substances 0.000 abstract 3
- 230000004907 flux Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model discloses a biax two butterfly elastic seal valve, which comprises a valve body, the inside of valve body is equipped with the spacer, big opening has been seted up on the spacer, big opening inboard is equipped with big valve butterfly, big opening inner circle is equipped with the first soft sealing washer that corresponds with big valve butterfly, little opening has been seted up at big valve butterfly middle part, little opening inboard is equipped with little valve butterfly, little opening inner circle is equipped with the second soft sealing washer that corresponds with little valve butterfly, valve body top fixedly connected with installation section of thick bamboo, installation section of thick bamboo inboard is equipped with the sleeve that runs through the valve body top, sleeve upper end fixedly connected with installing frame, the top is fixed with first pneumatic push rod in the installation section of thick bamboo. The utility model discloses can carry out the independent control switching to big valve butterfly, little valve butterfly, it is more convenient to use, and the suitability is higher, and realizes elastic seal, can obtain good sealed effect, can cushion the interior fluid impact of valve body again.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to biax double butterfly elastic seal valve.
Background
Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. The existing sealing valve is designed to be provided with a single disc, the valve butterfly is inconvenient to control according to different flow requirements, the use is not convenient enough, the soft sealing is realized by arranging the soft sealing ring inside the existing sealing valve, but when the valve butterfly is impacted by fluid in the soft sealing valve body, the valve butterfly is easy to displace, so that the internal valve body element is easy to damage, and the service life of the valve is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a double-shaft double-butterfly elastic sealing valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-shaft double-butterfly elastic sealing valve comprises a valve body, wherein a spacer is arranged inside the valve body, a large through hole is formed in the spacer, a large valve butterfly is arranged on the inner side of the large through hole, a first soft sealing ring corresponding to the large valve butterfly is arranged on the inner ring of the large through hole, a small through hole is formed in the middle of the large valve butterfly, a small valve butterfly is arranged on the inner side of the small through hole, a second soft sealing ring corresponding to the small valve butterfly is arranged on the inner ring of the small through hole, an installation cylinder is fixedly connected to the top of the valve body, a sleeve shaft penetrating through the top of the valve body is arranged on the inner side of the installation cylinder, an installation frame is fixedly connected to the upper end of the sleeve shaft, a first pneumatic push rod is fixed to the top inside of the installation cylinder, the telescopic end of the first pneumatic push rod is fixedly connected with the installation frame, a movable plate is fixedly connected to the lower end of the sleeve, an inner shaft is arranged on the inner side of the sleeve shaft, a second pneumatic push rod is mounted at the top in the mounting frame, the telescopic end of the second pneumatic push rod is fixedly connected with the upper end of the inner shaft, and the lower end of the inner shaft penetrates through the movable plate and is provided with a second elastic connecting mechanism connected with the small valve butterfly.
Preferably, the first elastic connection mechanism includes a first connection rod, the lower end of the first connection rod is fixedly connected to the upper end of the large valve butterfly, a first movable hole is formed in the lower end face of the movable plate, the upper end of the first connection rod is inserted into the first movable hole, a first spring is arranged in the first movable hole, and the upper end and the lower end of the first spring are respectively connected to the upper end wall of the first movable hole and the upper end of the first connection rod.
Preferably, the second elastic connection mechanism comprises a second connection rod, the lower end of the second connection rod is fixedly connected to the upper end of the small valve butterfly, a second movable hole is formed in the lower end of the inner shaft, the upper end of the second connection rod is inserted into the second movable hole, a second spring is arranged in the second movable hole, and the upper end and the lower end of the second spring are respectively connected to the upper wall of the second movable hole and the upper end of the second connection rod.
Preferably, a flange for preventing the first connecting rod from slipping off is arranged at the opening of the first movable hole.
Preferably, a flange for preventing the second connecting rod from slipping off is arranged at the opening of the second movable hole.
Preferably, the diaphragm is integrally formed with the valve body.
The utility model has the advantages that:
through setting up big valve butterfly, little valve butterfly, when needing big flux, through starting the extension of first pneumatic push rod, can drive the sleeve axle and move down, and then drive big valve butterfly and move down and open, and when needing little flux, through starting the extension of second pneumatic push rod, drive interior axle and move down, and then drive little valve butterfly and open, can be according to the control needs of different flows, can carry out the independent control switching to big valve butterfly, little valve butterfly, it is more convenient to use, and the suitability is higher.
Through setting up first elastic connection mechanism, second elastic connection mechanism, owing to set up first soft sealing washer, the soft sealing washer of second, when big valve butterfly, little valve butterfly receive fluidic impact in below, first soft sealing washer, the soft sealing washer of second can be compressed, and then big valve butterfly, little valve butterfly can upwards take place the displacement, and the first spring that sets up, the second spring can be compressed, and then cushion the impact, realize elastic sealing, can obtain good sealed effect, again can cushion the interior fluid impact of valve body.
The utility model discloses can carry out the independent control switching to big valve butterfly, little valve butterfly, it is more convenient to use, and the suitability is higher, and realizes elastic seal, can obtain good sealed effect, can cushion the interior fluid impact of valve body again.
Drawings
Fig. 1 is a schematic structural view of a double-shaft double butterfly elastic sealing valve provided by the present invention;
fig. 2 is a schematic structural view of a second elastic connection mechanism of the double-shaft double butterfly elastic sealing valve according to the present invention.
In the figure: the valve comprises a valve body 1, a spacer 2, a large valve butterfly 3, a large opening 4, a first soft sealing ring 5, a small valve butterfly 6, a small opening 7, a second soft sealing ring 8, a first connecting rod 9, a first spring 10, a first movable hole 11, a movable plate 12, a second connecting rod 13, an inner shaft 14, a sleeve shaft 15, a mounting frame 16, a mounting cylinder 17, a first pneumatic push rod 18, a second pneumatic push rod 19, a second movable hole 20 and a second spring 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a double-shaft double-butterfly elastic sealing valve comprises a valve body 1, a spacer 2 is arranged inside the valve body 1, the spacer 2 is integrally formed with the valve body 1, a large through opening 4 is formed on the spacer 2, a large valve butterfly 3 is arranged on the inner side of the large through opening 4, a first soft sealing ring 5 corresponding to the large valve butterfly 3 is arranged on the inner ring of the large through opening 4, a small through opening 7 is formed in the middle of the large valve butterfly 3, a small valve butterfly 6 is arranged on the inner side of the small through opening 7, a second soft sealing ring 8 corresponding to the small valve butterfly 6 is arranged on the inner ring of the small through opening 7, an installation cylinder 17 is fixedly connected to the top of the valve body 1, a sleeve shaft 15 penetrating through the top of the valve body 1 is arranged on the inner side of the installation cylinder 17, sealing filler is arranged at the joint of the sleeve shaft 15 and the valve body 1, an installation frame 16 is fixedly connected to the upper end of the sleeve shaft 15, a first pneumatic push rod 18 is fixed to, the two sides of the lower end of the movable plate 12 are respectively provided with a first elastic connecting mechanism connected with the big valve butterfly 3, the inner side of the sleeve shaft 15 is provided with an inner shaft 14, the top in the installation frame 16 is provided with a second pneumatic push rod 19, the telescopic end of the second pneumatic push rod 19 is fixedly connected with the upper end of the inner shaft 14, the lower end of the inner shaft 14 penetrates through the movable plate 12 and is provided with a second elastic connecting mechanism connected with the small valve butterfly 6, the joint of the inner shaft 14 and the movable plate 12 is provided with sealing filler, and the first pneumatic push rod 18 and the second pneumatic push rod 19 are both in the existing mature technology.
The utility model discloses in, first elastic connection mechanism includes head rod 9, head rod 9's lower extreme fixed connection is in 3 upper ends of big valve butterfly, first activity hole 11 has been seted up on the lower terminal surface of movable plate 12, first activity downthehole 11 is inserted to head rod 9's upper end, first activity hole 11 opening part is equipped with the flange that prevents head rod 9 slippage, be equipped with first spring 10 in the first activity hole 11, roof and head rod 9 upper end in first activity hole 11 are connected respectively at the upper and lower both ends of first spring 10. The second elastic connecting mechanism comprises a second connecting rod 13, the lower end of the second connecting rod 13 is fixedly connected with the upper end of the small valve butterfly 6, the lower end of the inner shaft 14 is provided with a second movable hole 20, the upper end of the second connecting rod 13 is inserted into the second movable hole 20, the opening of the second movable hole 20 is provided with a flange for preventing the second connecting rod 13 from slipping, a second spring 21 is arranged in the second movable hole 20, the upper end and the lower end of the second spring 21 are respectively connected with the inner top wall of the second movable hole 20 and the upper end of the second connecting rod 13, due to the arrangement of the first soft sealing ring 5 and the second soft sealing ring 8, when the large valve butterfly 3 and the small valve butterfly 6 are impacted by the fluid below, the first soft sealing ring 5 and the second soft sealing ring 8 can be compressed, and further the large valve butterfly 3 and the small valve butterfly 6 can be displaced upwards, and the arranged first spring 11 and the second spring 21 can be compressed to buffer the impact, thereby realizing elastic sealing, not only can obtain good sealing effect, but also can buffer the fluid impact in the valve body 1.
The utility model discloses during the use, when needing big flux, through starting the 18 extensions of first pneumatic push rod, can drive sleeve 15 and move down, and then drive big valve butterfly 3 and move down and open, and when needing little flux, through starting the 19 extensions of second pneumatic push rod, drive interior axle 14 and move down, and then drive little valve butterfly 6 and open, can be according to the control needs of different flows, can carry out the independent control switching to big valve butterfly 3, little valve butterfly 6, it is more convenient to use, and the suitability is higher.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (6)
1. A double-shaft double-butterfly elastic sealing valve comprises a valve body (1) and is characterized in that a spacer (2) is arranged inside the valve body (1), a large through hole (4) is formed in the spacer (2), a large valve butterfly (3) is arranged on the inner side of the large through hole (4), a first soft sealing ring (5) corresponding to the large valve butterfly (3) is arranged on the inner ring of the large through hole (4), a small through hole (7) is formed in the middle of the large valve butterfly (3), a small valve butterfly (6) is arranged on the inner side of the small through hole (7), a second soft sealing ring (8) corresponding to the small valve butterfly (6) is arranged on the inner ring of the small through hole (7), an installation cylinder (17) is fixedly connected to the top of the valve body (1), a sleeve shaft (15) penetrating through the top of the valve body (1) is arranged on the inner side of the installation cylinder (17), an installation frame (16) is fixedly connected to the upper end of the sleeve shaft (15), a first pneumatic push rod (18, the flexible end of first pneumatic push rod (18) and installing frame (16) fixed connection, the lower extreme fixedly connected with movable plate (12) of cover axle (15), movable plate (12) lower extreme both sides all are equipped with the first elastic connection mechanism who is connected with big valve butterfly (3), cover axle (15) inboard is equipped with interior axle (14), second pneumatic push rod (19) are installed at the top in installing frame (16), the flexible end and interior axle (14) upper end fixed connection of second pneumatic push rod (19), the lower extreme of interior axle (14) runs through movable plate (12) and is equipped with the second elastic connection mechanism who is connected with little valve butterfly (6).
2. The double-shaft double-butterfly elastic sealing valve according to claim 1, wherein said first elastic connection mechanism comprises a first connection rod (9), the lower end of said first connection rod (9) is fixedly connected to the upper end of the large valve butterfly (3), a first movable hole (11) is opened on the lower end surface of said movable plate (12), the upper end of said first connection rod (9) is inserted into the first movable hole (11), a first spring (10) is disposed in said first movable hole (11), and the upper and lower ends of said first spring (10) are respectively connected to the inner top wall of the first movable hole (11) and the upper end of the first connection rod (9).
3. The double-shaft double-butterfly elastic sealing valve according to claim 1, wherein the second elastic connection mechanism comprises a second connection rod (13), the lower end of the second connection rod (13) is fixedly connected to the upper end of the small valve butterfly (6), the lower end of the inner shaft (14) is provided with a second movable hole (20), the upper end of the second connection rod (13) is inserted into the second movable hole (20), a second spring (21) is arranged in the second movable hole (20), and the upper end and the lower end of the second spring (21) are respectively connected to the inner top wall of the second movable hole (20) and the upper end of the second connection rod (13).
4. The double-shaft double butterfly spring-sealed valve according to claim 2, characterised in that said first movable hole (11) opens with a flange preventing the first connecting rod (9) from slipping.
5. The double-shaft double butterfly elastic sealing valve according to claim 3, characterised in that at the opening of said second movable hole (20) there is provided a flange preventing the second connecting rod (13) from slipping.
6. The biaxial double butterfly elastic sealing valve according to claim 1, characterized in that said spacer (2) is integrally formed with the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631774.8U CN213575569U (en) | 2020-11-15 | 2020-11-15 | Double-shaft double-butterfly elastic sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022631774.8U CN213575569U (en) | 2020-11-15 | 2020-11-15 | Double-shaft double-butterfly elastic sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575569U true CN213575569U (en) | 2021-06-29 |
Family
ID=76538067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022631774.8U Expired - Fee Related CN213575569U (en) | 2020-11-15 | 2020-11-15 | Double-shaft double-butterfly elastic sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575569U (en) |
-
2020
- 2020-11-15 CN CN202022631774.8U patent/CN213575569U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20210629 |