CN114294428A - Accurate positioning type metal seal butterfly valve - Google Patents
Accurate positioning type metal seal butterfly valve Download PDFInfo
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- CN114294428A CN114294428A CN202210117644.3A CN202210117644A CN114294428A CN 114294428 A CN114294428 A CN 114294428A CN 202210117644 A CN202210117644 A CN 202210117644A CN 114294428 A CN114294428 A CN 114294428A
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Abstract
The invention relates to an accurate positioning type metal sealing butterfly valve, which comprises a valve body, a butterfly plate which is rotatably arranged in the valve body and is matched with a sealing ring fixedly arranged in the valve body, a shell which is fixed on the valve body, a rotating rod which is arranged in the shell and is connected with the butterfly plate through a connecting piece, a power assembly which is arranged on the shell and is connected with the rotating rod, an adjusting plate which is also arranged on the shell and is fixedly provided with a pointer, a contact switch which is also connected with the contact switch through a connecting plate, the contact switch is electrically connected with the power assembly and is matched with a trigger which is arranged on a follower lever, the follower lever is fixedly connected with the rotating rod, a pressure relief assembly which is connected with and communicated with the valve body is also arranged on the valve body, and a baffle which blocks the communication between the pressure relief assembly and the valve body is arranged on the valve body, the baffle is connected with the power assembly through the transmission assembly, and the butterfly plate is protected.
Description
Technical Field
The invention relates to the field of butterfly valves, in particular to an accurate positioning type metal sealing butterfly valve.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.
The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The butterfly valve is different from the ball valve, and when the butterfly valve is closed, the butterfly plate is used for blocking media such as air and water, so that the butterfly valve bears larger working pressure.
Disclosure of Invention
The invention aims to provide an accurate positioning type metal sealing butterfly valve to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an accurate location type metal seal butterfly valve, is including being cylindric and inside hollow valve body, rotation installation in the valve body and with fixed setting in and inside sealing washer complex butterfly plate, still include:
the shell is fixedly arranged on the valve body, a rotating rod is arranged in the shell, the rotating rod is detachably connected with the butterfly plate through a plurality of connecting pieces, and the rotating rod is connected with a power assembly arranged on the shell;
the shell is also rotatably provided with an adjusting plate, a pointer is fixedly arranged on the adjusting plate and is matched with a dial arranged on the shell, the adjusting plate is also connected with a contact switch through a connecting plate, the contact switch is electrically connected with the power assembly and is matched with a trigger arranged on a follower rod, and the follower rod is fixedly connected with the rotating rod;
the valve body is also provided with a pressure relief assembly, the pressure relief assembly is connected with the valve body and is communicated with the valve body, the valve body is provided with a baffle plate for blocking the pressure relief assembly and the valve body, and the baffle plate is connected with the power assembly through a transmission assembly arranged on the valve body.
As a further scheme of the invention: the power assembly comprises a driving device fixedly arranged on the shell and a torsion structure connected with an output shaft of the driving device and arranged in the shell;
the torsion structure is connected with the rotating rod and the transmission assembly.
As a still further scheme of the invention: the torsion structure comprises a worm which is rotatably arranged on the shell and is connected with an output shaft of the driving device, and a worm wheel which is meshed with the worm and is rotatably arranged in the shell;
the worm wheel with dwang fixed connection, the worm with transmission component connects.
As a still further scheme of the invention: the pressure relief assembly comprises a pressure relief device fixedly mounted on the valve body and communicated with the valve body, a sealing plate hermetically and slidably arranged in the pressure relief device, and an elastic structure arranged between the sealing plate and the pressure relief device;
the inside of the pressure relief device is of a cavity structure.
As a still further scheme of the invention: the elastic structure comprises two upright rods symmetrically arranged on the sealing plate and a pressure spring sleeved on the upright rods;
one end, far away from the sealing plate, of the vertical rod penetrates through the pressure relief device and extends to the outside of the pressure relief device, one end of the pressure spring is connected with the sealing plate, and the other end of the pressure spring is connected with the inner wall of the pressure relief device.
As a still further scheme of the invention: the transmission assembly comprises a connecting structure connected with the worm and rotatably installed between the shell and the valve body, and a thread driving structure connected with the connecting structure and arranged in the valve body;
the thread driving structure is connected with the baffle.
As a still further scheme of the invention: the connecting structure comprises a first bevel gear set rotatably mounted on the shell, a transmission rod rotatably mounted between the shell and the valve body, and a second bevel gear set connected with the transmission rod and rotatably mounted in the valve body;
the second bevel gear set is connected with the thread driving structure.
As a still further scheme of the invention: the thread driving structure comprises a screw rod rotationally arranged in the valve body and a thread sleeve arranged on the screw rod and in thread fit with the screw rod;
the lead screw with second bevel gear set connects, the screw sleeve passes through the extension rod and connects the baffle.
Compared with the prior art, the invention has the beneficial effects that:
the butterfly valve is novel in design, the butterfly plate is rotated through the arranged power assembly, the valve body is switched on or switched off, and in use, the angle of the butterfly plate driven by the power assembly is changed through adjusting the angle of the adjusting plate, so that the conduction rate of the valve body is adjustable;
at the closed in-process of butterfly plate, make the pressure release subassembly switch on, and the size that switches on the diameter is directly proportional with the closure speed of butterfly plate for when the butterfly plate is complete closed, the pressure release subassembly switches on completely, cushions the pressure in the valve body, avoids the too big sealing washer, the butterfly plate that leads to of pressure in the twinkling of an eye to take place to damage.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a precisely positioned metal-sealed butterfly valve.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic structural view of another angle in an embodiment of the precisely positioned metal-sealed butterfly valve.
Fig. 4 is a schematic cross-sectional structure view of a valve body and a housing in an embodiment of a precisely positioned metal-sealed butterfly valve.
Fig. 5 is a schematic structural view of fig. 4 at another angle.
Fig. 6 is a schematic structural diagram of the interior of a pressure relief device in an embodiment of a precisely positioned metal-sealed butterfly valve.
In the figure: 1. a valve body; 2. a butterfly plate; 3. a seal ring; 4. a connecting member; 5. a housing; 6. a drive device; 7. a worm; 8. a worm gear; 9. rotating the rod; 10. a follower rod; 11. a trigger; 12. a contact switch; 13. a connecting plate; 14. an adjusting plate; 15. a pointer; 16. a dial scale; 17. a first bevel gear set; 18. a transmission rod; 19. a second bevel gear set; 20. a screw rod; 21. an extension rod; 22. a baffle plate; 23. a pressure relief device; 24. a sealing plate; 25. a pressure spring; 26. and (6) erecting a rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 4 and 5, in an embodiment of the present invention, an accurate positioning type metal sealing butterfly valve includes a cylindrical hollow valve body 1, a butterfly plate 2 rotatably installed in the valve body 1 and engaged with a sealing ring 3 fixedly installed in the valve body, and further includes:
fix shell 5 on the valve body 1, be provided with dwang 9 in the shell 5, dwang 9 through a plurality of connecting pieces 4 with can dismantle the connection between the butterfly plate 2, it is specific, adopt bolt and nut to be connected between butterfly plate 2 and the dwang 9, when butterfly plate 2 takes place to damage for it dismantles simpler, improves the portability when overhauing, reduces fortune dimension cost. Just dwang 9 is in with the setting power component on the shell 5 is connected, power component includes that fixed mounting bores drive arrangement 6 on the shell 5, with drive arrangement 6's output shaft and setting are in torsion structure in the shell 5, it connects to twist reverse the structrual joint dwang 9 with transmission assembly, it installs including rotating to twist reverse the structure on the shell 5 and with drive arrangement 6's output shaft connected worm 7, with worm 7 meshes and rotates and installs worm wheel 8 in the shell 5, worm wheel 8 with dwang 9 fixed connection, worm 7 with transmission assembly connects.
When the driving device 6 rotates, the worm 7 connected with the driving device is driven to rotate, so that the worm wheel 8 meshed with the worm 7 rotates, the worm wheel 8 is driven by the rotating rod 9 in the rotating process, the butterfly plate 2 rotates, and the valve body 1 is conducted or sealed.
Wherein, there is the auto-lock nature between worm 7 and the worm wheel 8, and worm 7 can drive worm wheel 8 and take place to rotate promptly, and worm wheel 8 can't drive worm 7 antiport, improves the stability under butterfly plate 2 at half closed state.
Further, the driving device 6 is a servo motor whose output shaft can rotate forward and backward.
Referring to fig. 1 and 2, an adjusting plate 14 is further rotatably mounted on the housing 5, specifically, a damping sleeve is disposed at a connection portion of the adjusting plate 14 and the housing 5, and can provide a large resistance, a pointer 15 is fixedly mounted on the adjusting plate 14, the pointer 15 is matched with a dial 16 disposed on the housing 5, the adjusting plate 14 is further connected with a contact switch 12 through a connecting plate 13, the contact switch 12 is electrically connected with the power assembly and matched with a trigger 11 disposed on a follower lever 10, and the follower lever 10 is fixedly connected with the rotating lever 9.
When the valve body 1 is used, the valve body 1 does not need to be completely conducted, at the moment, a worker adjusts the angle of the adjusting plate 14 and controls the driving device 6 to rotate, the butterfly plate 2 is driven to rotate by the aid of the worm 7 and the worm wheel 8, the follower rod 10 is driven to rotate, the trigger 11 connected with the follower rod 10 is contacted with the contact switch 12 and triggers the contact switch 12, and at the moment, the contact switch 12 enables the driving device 6 to be powered off and stop working.
The output shaft of the driving device 6 is also provided with a damping sleeve so that the rotation of the contact switch 12 can be stopped instantaneously when the contact switch controls the power-off, thereby preventing the rotation angle of the butterfly plate 2 from being excessive due to inertia.
Referring to fig. 6, the valve body 1 is further provided with a pressure relief assembly, the pressure relief assembly is connected and conducted with the valve body 1, the pressure relief assembly includes a pressure relief device 23 fixedly installed on the valve body 1 and conducted with the valve body 1, a sealing plate 24 sealingly and slidably disposed in the pressure relief device 23, and an elastic structure disposed between the sealing plate 24 and the pressure relief device 23, the pressure relief device 23 is internally of a cavity structure, the elastic structure includes two upright posts 26 symmetrically disposed on the sealing plate 24, and a compression spring 25 sleeved on the upright posts 26, one end of the upright post 26 far away from the sealing plate 24 penetrates through the pressure relief device 23 and extends to the outside thereof, one end of the compression spring 25 is connected with the sealing plate 24, and the other end is connected with the inner wall of the pressure relief device 23.
At the moment of butterfly plate 2 and the laminating of sealing washer 3, valve body 1 is in the encapsulated situation, and the pressure in valve body 1 upper reaches is very big this moment, and in order to avoid too big pressure to lead to sealing washer 3, butterfly plate 2 to take place to damage, the medium that makes in the valve body 1 enters into pressure release 23, realizes the decompression buffering effect of certain degree, avoids damaging the emergence of phenomenon.
Referring to fig. 3, 4 and 5, a baffle 22 for blocking the communication between the pressure relief assembly and the valve body 1 is disposed on the valve body 1, the baffle 22 is connected to the power assembly through a transmission assembly disposed on the valve body 1, the transmission assembly includes a connection structure connected to the worm 7 and rotatably mounted between the housing 5 and the valve body 1, and a thread driving structure connected to the connection structure and disposed in the valve body 1, the thread driving structure is connected to the baffle 22, the connection structure includes a first bevel gear set 17 rotatably mounted on the housing 5, a transmission rod 18 rotatably mounted between the housing 5 and the valve body 1, a second bevel gear set 19 rotatably mounted in the valve body 1 and connected to the transmission rod 18, and the second bevel gear set 19 is connected to the thread driving structure, the thread driving structure comprises a screw rod 20 and a thread sleeve, wherein the screw rod 20 is rotatably arranged in the valve body 1, the thread sleeve is arranged on the screw rod 20 and is in thread fit with the screw rod, the screw rod 20 is connected with the second-number bevel gear set 19, and the thread sleeve is connected with a baffle 22 through an extension rod 21.
The first bevel gear set 17 comprises a first bevel gear and a second bevel gear which are rotatably mounted on the shell 5 and are meshed with each other, the first bevel gear is connected with the worm 7, the second bevel gear is connected with the transmission rod 18, the second bevel gear set 19 comprises a third bevel gear and a fourth bevel gear which are rotatably mounted in the valve body 1 and are meshed with each other, the third bevel gear is connected with the transmission rod 18, and the fourth bevel gear is connected with the screw rod 20;
when the butterfly plate 2 rotates and closes under the action of the worm 7 and the worm wheel 8, the worm 7 drives the screw rod 20 to rotate through the first bevel gear set 17, the transmission rod 18 and the second bevel gear set 19, the screw rod 20 enables the threaded sleeve in threaded fit with the screw rod to move in the axial direction in the rotating process, the extension rod 21 drives the baffle 22 to move, the baffle 22 is provided with a through hole, the pressure relief device 23 is slowly communicated with the valve body 1 to relieve the pressure in the valve body 1 to a certain degree, and meanwhile, when the butterfly plate 2 is completely closed, the pressure relief device 23 is completely communicated, so that the situation that the sealing plate 24 is impacted due to the fact that the pressure in a pipeline is instantly increased is effectively prevented.
In the working process of the baffle 22, the pressure relief device 23 is slowly communicated with the valve body 1, so that the medium in the valve body 1 slowly enters the interior of the valve body, and the structure of the sealing plate 24, the pressure spring 25, the pressure relief device 23 and the upright rod 26 is prevented from being damaged instantly.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an accurate location type metal seal butterfly valve, is including being cylindric and inside hollow valve body (1), rotate and install in valve body (1) and with fixed setting in and inside sealing washer (3) complex butterfly plate (2), its characterized in that still includes:
the butterfly valve is characterized by comprising a shell (5) fixedly arranged on the valve body (1), wherein a rotating rod (9) is arranged in the shell (5), the rotating rod (9) is detachably connected with the butterfly plate (2) through a plurality of connecting pieces (4), and the rotating rod (9) is connected with a power assembly arranged on the shell (5);
an adjusting plate (14) is further rotatably mounted on the shell (5), a pointer (15) is fixedly mounted on the adjusting plate (14), the pointer (15) is matched with a dial (16) arranged on the shell (5), the adjusting plate (14) is further connected with a contact switch (12) through a connecting plate (13), the contact switch (12) is electrically connected with the power assembly and matched with a trigger (11) arranged on a follower lever (10), and the follower lever (10) is fixedly connected with the rotating lever (9);
still be provided with the pressure release subassembly on valve body (1), the pressure release subassembly with valve body (1) is connected and switches on, and valve body (1) is provided with blocks the pressure release subassembly with baffle (22) of valve body (1) intercommunication, baffle (22) are through setting up transmission assembly on valve body (1) connects the power component.
2. The metal seal butterfly valve of claim 1, wherein the power assembly comprises a drive unit (6) fixedly mounted on the housing (5), a torsion structure connected to an output shaft of the drive unit (6) and disposed within the housing (5);
the torsion structure is connected with the rotating rod (9) and the transmission assembly.
3. A metal seal butterfly valve of the precision positioning type according to claim 2, characterized in that said torsion structure comprises a worm (7) rotatably mounted on said housing (5) and connected to the output shaft of said drive means (6), a worm wheel (8) engaged with said worm (7) and rotatably mounted in said housing (5);
worm wheel (8) with dwang (9) fixed connection, worm (7) with transmission assembly connects.
4. The metal seal butterfly valve of claim 1, wherein the pressure relief assembly comprises a pressure relief device (23) fixedly mounted on the valve body (1) and in communication therewith, a sealing plate (24) sealingly slidably disposed within the pressure relief device (23), and an elastic structure disposed between the sealing plate (24) and the pressure relief device (23);
the inside of the pressure relief device (23) is of a cavity structure.
5. The metal seal butterfly valve of claim 4, wherein the elastic structure comprises two vertical rods (26) symmetrically arranged on the sealing plate (24), and a compression spring (25) sleeved on the vertical rods (26);
one end, far away from the sealing plate (24), of the vertical rod (26) penetrates through the pressure relief device (23) and extends to the outside of the pressure relief device, one end of the pressure spring (25) is connected with the sealing plate (24), and the other end of the pressure spring is connected with the inner wall of the pressure relief device (23).
6. A metal seal butterfly valve of the precision positioning type according to claim 3, characterized in that said transmission assembly comprises a connection structure connected to said worm (7) and rotatably mounted between said housing (5) and said valve body (1), a screw drive structure connected to said connection structure and arranged inside said valve body (1);
the thread driving structure is connected with the baffle plate (22).
7. The metal seal butterfly valve of claim 6, wherein the connecting structure comprises a first bevel gear set (17) rotatably mounted on the housing (5), a transmission rod (18) rotatably mounted between the housing (5) and the valve body (1), and a second bevel gear set (19) connected to the transmission rod (18) and rotatably mounted in the valve body (1);
the second-speed bevel gear set (19) is connected with the thread driving structure.
8. The metal seal butterfly valve of claim 7, wherein the screw driving structure comprises a screw rod (20) rotatably disposed in the valve body (1), a threaded sleeve disposed on the screw rod (20) and threadedly engaged therewith;
the screw rod (20) is connected with the second bevel gear set (19), and the threaded sleeve is connected with the baffle (22) through an extension rod (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210117644.3A CN114294428B (en) | 2022-02-08 | 2022-02-08 | Accurate positioning type metal seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210117644.3A CN114294428B (en) | 2022-02-08 | 2022-02-08 | Accurate positioning type metal seal butterfly valve |
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| Publication Number | Publication Date |
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| CN114294428A true CN114294428A (en) | 2022-04-08 |
| CN114294428B CN114294428B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210117644.3A Active CN114294428B (en) | 2022-02-08 | 2022-02-08 | Accurate positioning type metal seal butterfly valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607792A (en) * | 2022-04-09 | 2022-06-10 | 浙江亿斯特阀门有限公司 | High-performance anti-freezing ball valve |
| CN117553162A (en) * | 2024-01-11 | 2024-02-13 | 福建云联中汇环保科技有限公司 | Sewage treatment butterfly valve |
| CN117927726A (en) * | 2024-03-21 | 2024-04-26 | 山东交通学院 | Actively triggered fluid inlet control mechanism and application thereof in temperature control equipment |
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| CN211875133U (en) * | 2019-12-31 | 2020-11-06 | 天津市世闻阀门制造有限公司 | Center butterfly valve with high durability |
| US20210156481A1 (en) * | 2018-04-06 | 2021-05-27 | Zhanggang Wang | Rotatable valve and actuator |
| CN113007490A (en) * | 2021-04-19 | 2021-06-22 | 尹红绕 | Liquid switch valve structure and use method thereof |
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| CN215487705U (en) * | 2021-08-23 | 2022-01-11 | 浙江海蝶阀门有限公司 | Soft seal printing and dyeing wafer type pneumatic butterfly valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607792A (en) * | 2022-04-09 | 2022-06-10 | 浙江亿斯特阀门有限公司 | High-performance anti-freezing ball valve |
| CN114607792B (en) * | 2022-04-09 | 2023-08-15 | 浙江亿斯特阀门有限公司 | High-performance anti-freezing ball valve |
| CN117553162A (en) * | 2024-01-11 | 2024-02-13 | 福建云联中汇环保科技有限公司 | Sewage treatment butterfly valve |
| CN117553162B (en) * | 2024-01-11 | 2024-04-05 | 上海沪工阀门厂(集团)有限公司 | Sewage treatment butterfly valve |
| CN117927726A (en) * | 2024-03-21 | 2024-04-26 | 山东交通学院 | Actively triggered fluid inlet control mechanism and application thereof in temperature control equipment |
| CN117927726B (en) * | 2024-03-21 | 2024-05-31 | 山东交通学院 | Actively triggered fluid inlet control mechanism and application thereof in temperature control equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114294428B (en) | 2023-01-03 |
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