CN118110795B - Eccentric butterfly valve with anti-blocking function - Google Patents
Eccentric butterfly valve with anti-blocking function Download PDFInfo
- Publication number
- CN118110795B CN118110795B CN202410517389.0A CN202410517389A CN118110795B CN 118110795 B CN118110795 B CN 118110795B CN 202410517389 A CN202410517389 A CN 202410517389A CN 118110795 B CN118110795 B CN 118110795B
- Authority
- CN
- China
- Prior art keywords
- pretreatment
- valve
- groove
- separation
- close
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims description 49
- 238000000926 separation method Methods 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 16
- 230000004044 response Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 6
- 235000014676 Phragmites communis Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Abstract
The invention relates to the technical field of valves, in particular to an eccentric butterfly valve with an anti-blocking function, which comprises a valve body, a driving mechanism and a pretreatment pipe, wherein the driving mechanism is arranged above the valve body.
Description
Technical Field
The invention relates to the technical field of valves, in particular to an eccentric butterfly valve with an anti-blocking function.
Background
The eccentric butterfly valve is a commonly used industrial valve, is mainly used for controlling the flow of fluid in a pipeline, and is more reasonable in design compared with a butterfly valve with a traditional central symmetry structure, namely, the eccentric distance exists between the valve body and the axis of the valve rod, so that friction and vibration of the valve clack during movement are reduced, and the service life of the valve clack is prolonged.
However, the working principle of the eccentric butterfly valve is basically similar to that of the following patents: "CN218408544U low-load double eccentric butterfly valve (publication day 2023.01.31)", "CN218845139U eccentric butterfly valve (publication day 2023.04.11)", in actual use, these eccentric butterfly valves are sensitive to the cleanliness of the fluid in the pipeline, if the fluid in the pipeline contains more impurities, the eccentric butterfly valve needs to be disassembled and cleaned regularly by a worker, otherwise, the impurities in the fluid are easily accumulated in the eccentric butterfly valve to affect the opening and closing of the follow-up valve clack, but the sealing performance of the valve is damaged when the worker disassembles the eccentric butterfly valve each time, so that the service life of the valve is reduced; finally, most of the existing eccentric butterfly valves do not have fluid impact protection measures, namely, when the eccentric butterfly valves are in a closed state, the positions of the valve clacks are usually kept by means of a driving device, if the valve clacks suddenly encounter large impact force, the valve clacks are easy to deviate so as to cause fluid leakage, and meanwhile, the driving device is also damaged by overload with a certain probability.
Disclosure of Invention
The invention aims to provide an eccentric butterfly valve with an anti-blocking function, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the invention relates to an eccentric butterfly valve with an anti-blocking function, which comprises a valve body, a driving mechanism and a pretreatment pipe, wherein the driving mechanism is arranged above the valve body; on the other hand, the overload damage of the driving mechanism is avoided.
Further, the pretreatment component comprises a interception plate and a rubber pad, wherein the interception plate and the rubber pad are arranged in the pretreatment pipe, the outer wall of the rubber pad is fixedly connected with the inner wall of the pretreatment pipe, the inner wall of the rubber pad is matched with the outer wall of the interception plate, two groups of movable cavities are arranged on the interception plate, and a group of first filter plates and a group of second filter plates are arranged in each group of movable cavities.
Further, a first channel is arranged in a region, close to the valve body, of the lower end of the pretreatment pipe, a second channel is arranged in a region, close to the valve body, of the upper end of the pretreatment pipe, a separation seat, a reversing motor and an annular frame are arranged outside the pretreatment pipe, a transmission shaft of the reversing motor is fixedly connected with a retaining plate, a separation assembly is arranged inside the separation seat, an annular groove is arranged inside the annular frame, one end of the separation assembly is communicated with the first channel, the other end of the separation assembly is connected with the annular groove, and one end, far away from the separation assembly, of the annular groove is communicated with the second channel. The first filter plate is far away from the valve body, and impurities in the liquid are trapped through the first filter plate; after a period of working, through the drive of reversing motor is held back the board and is rotated one hundred eighty degrees, and this moment, the valve body is kept away from to the second filter plate, passes through the impurity that the second filter plate was held back in the liquid, impurity that holds back on the first filter plate can fall into the pretreatment pipe inside and be close to the one end of valve body, opens the separation subassembly this moment, the liquid that the pretreatment pipe inside was close to one end of valve body can flow along first passageway-separation subassembly-ring channel-second passageway, can get rid of impurity in the liquid through the separation subassembly, through above-mentioned technical scheme, the staff can clear up the pretreatment subassembly on the basis of not dismantling the invention to this avoids frequent dismantlement to lead to the leakproofness of valve to descend.
Further, the separation assembly comprises a communicating groove, a liquid pump and a fixing cavity, wherein the liquid pump and the fixing cavity are arranged at one end, far away from the pretreatment pipe, inside the separation seat, of the fixing cavity, one end of the fixing cavity is communicated with the first channel through the communicating groove, the other end of the fixing cavity is communicated with the liquid inlet end of the liquid pump, and the liquid outlet end of the liquid pump is communicated with the annular groove.
Further, one end of the inside of the communicating groove, which is close to the liquid inlet, is provided with a first sealing plate, the first sealing plate is connected with the communicating groove through a compression spring rod, and the inside of the separating groove is provided with a push rod. Therefore, the disassembly and maintenance of the liquid pump are convenient when the liquid pump fails.
Furthermore, the first filter plate and the second filter plate in each group of movable cavity are connected through the reset spring, and the inner wall of each group of movable cavity is provided with a plurality of groups of piezoelectric ceramic vibrating reed.
Further, actuating mechanism includes power component and drive frame, the inside of drive frame is provided with the connecting seat, pivot and connecting seat fixed connection, the one end that the connecting seat is close to power component is provided with the spread groove, be provided with the response frame in the spread groove, power component's output shaft inserts in the connecting seat and with the fixed connection of spread groove, the invention is rotatory through power component and output shaft drive connecting seat and pivot, thereby realize the purpose of adjustment valve clack position, in the invention the side of spread groove is provided with the spread groove, be provided with the response piece in the spread groove, the one end and the fixed connection of response frame of response piece, the other end of response piece is connected with the spread groove through the response spring, the one end that the response piece is close to the response spring is provided with the piezoelectric plate, the locating component is connected with external power source through the piezoelectric plate, and the invention is in the closed state, output shaft, connecting seat, valve clack when the valve clack receives liquid thrust to improve suddenly this moment, the valve clack can take place pivot and connecting seat rotation, the output shaft still is in the motionless state, when the response piece rotates, the response piece, the piezoelectric plate is rotated the time, the piezoelectric plate is passed through the pressure plate, and the pressure plate produces the setting for the valve clack and can take place the numerical value to the change when the pressure electricity is passed through the setting for the valve clack, and the setting up the pressure electricity is passed through the setting up the pressure and can be passed through the setting for the pressure and is passed through by the side and is makeed, the valve to the valve and is passed over the setting the pressure and the setting the pressure plate to the position and the value to the detection is greatly is passed.
Further, one end of the valve clack close to the positioning component is provided with a positioning hole, the positioning component comprises a guide pipe, one end of the guide pipe, which is close to the valve clack, is provided with a positioning rod, one end of the guide pipe, which is far away from the valve clack, is provided with an electromagnet, one end of the positioning rod, which is close to the electromagnet, is provided with magnetism, and the positioning hole is matched with the positioning rod.
Compared with the prior art, the invention has the following beneficial effects: compared with the prior eccentric butterfly valve provided with a pretreatment pipe, the pretreatment pipe is fixedly arranged at the liquid inlet end of the valve body through bolts and nuts before working, the valve is provided with the power component and the connecting seat, impurities in liquid can be doubly trapped through the pretreatment component in the pretreatment pipe so as to prevent the impurities from being concentrated in the valve body, so that the eccentric butterfly valve is blocked, and further the opening and closing of a follow-up valve clack are influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for the description of the embodiments will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the valve body structure of the present invention;
FIG. 3 is a schematic view of the pretreatment tube structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the pretreatment tube of the present invention;
FIG. 5 is a schematic view of the pretreatment module of the present invention;
FIG. 6 is a schematic view of the separation assembly of the present invention;
FIG. 7 is a schematic view of the internal structure of the separator seat of the present invention;
FIG. 8 is a schematic view of the internal structure of the valve body of the present invention;
FIG. 9 is a schematic view of the structure of portion A of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the internal structure of the drive mechanism of the present invention;
FIG. 11 is a schematic view of the structure of section B-B of FIG. 10 according to the present invention.
In the figure: 1. a valve body; 11. a seal ring; 12. a rotating shaft; 13. a valve flap; 14. a conduit; 141. a positioning rod; 142. an electromagnet; 2. a driving mechanism; 21. a power assembly; 211. an output shaft; 22. a transmission frame; 221. a connecting seat; 2211. an induction tank; 2212. an induction block; 2213. an induction rack; 2214. a connecting groove; 3. a pretreatment tube; 31. a separation seat; 311. a communicating groove; 312. a liquid pump; 313. a push rod; 314. a separation tank; 315. a first sealing plate; 316. a fixed cavity; 32. reversing the motor; 33. an annular frame; 331. an annular groove; 332. a second sealing block; 34. a retaining plate; 341. a first filter plate; 342. a second filter plate; 343. a movable cavity; 35. a first channel; 36. and a second channel.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 9, the present invention provides the following technical solutions: the invention relates to an eccentric butterfly valve with anti-blocking function, which comprises a valve body 1, a driving mechanism 2 and a pretreatment pipe 3, wherein the driving mechanism 2 is arranged above the valve body 1, the driving mechanism 2 in the invention has two functions of manual operation and electric operation, the pretreatment pipe 3 is fixedly arranged at the liquid inlet end of the valve body 1 through bolts and nuts, and a pretreatment component is arranged in the pretreatment pipe 3; on the other hand, overload damage to the drive mechanism 2 is avoided.
As shown in fig. 3-5, the pretreatment assembly comprises a interception plate 34 and a rubber gasket, wherein the interception plate 34 and the rubber gasket are both arranged in the pretreatment tube 3, the outer wall of the rubber gasket is fixedly connected with the inner wall of the pretreatment tube 3, the inner wall of the rubber gasket is matched with the outer wall of the interception plate 34, two groups of movable cavities 343 are arranged on the interception plate 34, and a group of first filter plates 341 and a group of second filter plates 342 are arranged in each group of movable cavities 343.
As shown in fig. 3-4 and fig. 6-7, a first channel 35 is arranged at the lower end of the pretreatment tube 3 near the valve body 1, a second channel 36 is arranged at the upper end of the pretreatment tube 3 near the valve body 1, a separation seat 31, a reversing motor 32 and an annular frame 33 are arranged outside the pretreatment tube 3, a transmission shaft of the reversing motor 32 is fixedly connected with a retaining plate 34, a separation assembly is arranged inside the separation seat 31, an annular groove 331 is arranged inside the annular frame 33, one end of the separation assembly is communicated with the first channel 35, the other end of the separation assembly is connected with the annular groove 331, and one end of the annular groove 331 far away from the separation assembly is communicated with the second channel 36. The first filter plate 341 is far away from the valve body 1, and impurities in the liquid are trapped through the first filter plate 341; after a period of operation, the retaining plate 34 is driven to rotate one hundred eighty degrees through the reversing motor 32, at this time, the second filter plate 342 is far away from the valve body 1, impurities in the liquid are retained through the second filter plate 342, the impurities retained on the first filter plate 341 can fall into one end, close to the valve body 1, of the pretreatment pipe 3, at this time, the separation assembly is started, the liquid, close to one end of the valve body 1, of the pretreatment pipe 3 can flow along the first channel 35-the separation assembly-the annular groove 331-the second channel 36, the impurities in the liquid can be removed through the separation assembly, and through the above technical scheme, staff can clean the pretreatment assembly on the basis of not disassembling the valve, so that the leak tightness of the valve is prevented from being reduced due to frequent disassembly.
As shown in fig. 4, 6-7, the separation assembly comprises a communicating groove 311, a liquid pump 312 and a fixed cavity 316, wherein the liquid pump 312 and the fixed cavity 316 are arranged at one end, far away from the pretreatment pipe 3, inside the separation seat 31, one end of the fixed cavity 316 is communicated with the first channel 35 through the communicating groove 311, the other end of the fixed cavity 316 is communicated with the liquid inlet end of the liquid pump 312, and the liquid outlet end of the liquid pump 312 is communicated with an annular groove 331.
As shown in fig. 6 to 7, a first sealing plate 315 is disposed at one end of the communicating groove 311 near the liquid inlet, the first sealing plate 315 is connected with the communicating groove 311 by a compression spring rod, a push rod 313 is disposed at the inner part of the separating tank 314, in the normal operation of the invention, the push rod 313 pushes the first sealing plate 315 to the inner upper end of the communicating groove 311, the spring on the compression spring rod is in a compressed state, the communicating groove 311 is communicated with a fixed cavity 316, after a period of operation of the invention, a great amount of impurities are collected in the separating tank 314, so that the operation of the liquid pump 312 is affected, at the moment, a worker can detach the separating tank 314 from the fixed cavity 316 to replace a new separating tank 314, after the separating tank 314 is detached from the fixed cavity 316, the first sealing plate 315 is supported by the push rod 313, the first sealing plate 315 moves to the lower end of the inside of the communicating groove 311, the communicating groove 311 is separated from the fixed cavity 316, through the above technical scheme, the invention can collect and clean impurities in the liquid on the basis of not affecting the normal flow of the liquid, finally, the invention is provided with the second sealing block 332 at one end of the annular groove 331 near the second channel 36, one end of the annular groove 331 is communicated with the separating component, the other end of the annular groove 331 is filled with compressed gas (the staff can select a spring or other elastic components according to actual needs), when the liquid pump 312 works, because the second sealing block 332 is separated from the second channel 36 under the action of hydraulic pressure, the second channel 36 is communicated with the annular groove 331, when the liquid pump 312 does not work, the second sealing block 332 blocks the second channel 36 under the action of compressed gas, the second channel 36 is separated from the annular groove 331, thereby facilitating disassembly and maintenance of the liquid pump 312 when the liquid pump 312 fails.
As shown in fig. 5, a first filter plate 341 and a second filter plate 342 in each group of movable cavities 343 are connected by a reset spring, and a plurality of groups of piezoelectric ceramic vibrating reed are arranged on the inner wall of each group of movable cavities 343.
As shown in fig. 10-11, the driving mechanism 2 comprises a power assembly 21 and a transmission frame 22, a connecting seat 221 is arranged in the transmission frame 22, a rotating shaft 12 is fixedly connected with the connecting seat 221, one end of the connecting seat 221 close to the power assembly 21 is provided with a connecting groove 2214, a sensing frame 2213 is arranged in the connecting groove 2214, an output shaft 211 of the power assembly 21 is inserted into the connecting seat 221 and is fixedly connected with the sensing frame 2213, the connecting seat 221 and the rotating shaft 12 are driven to rotate by the power assembly 21 and the output shaft 211, so as to realize the purpose of adjusting the position of the valve clack 13, in the invention, a sensing groove 2211 is arranged at the side end of the connecting groove 2214, a sensing block 2212 is arranged in the sensing groove 2211, one end of the sensing block 2212 is fixedly connected with the sensing frame 2213, the other end of the sensing block 2212 close to the sensing spring is provided with a piezoelectric plate, the positioning component is connected with an external power supply through the piezoelectric plate, in the closed state, the output shaft 211, the connecting seat 221 and the valve clack 13 are all in an immobile state, when the valve clack 13 is suddenly increased by liquid thrust, the valve clack 13 can rotate a certain angle with the rotating shaft 12 and the connecting seat 221, the output shaft 211 is still in an immobile state, when the connecting seat 221 rotates, the sensing block 2212 can squeeze the sensing spring, further the electric signal generated by the piezoelectric plate is changed, the valve clack 13 can be detected by the piezoelectric plate in the connecting seat 221, when the electric signal generated by the piezoelectric plate exceeds a set value (the size of the value is set by a worker), the positioning component can work, the valve clack 13 is reset and a group of supporting force is applied to the valve clack 13 through the positioning component, so as to prevent the valve clack 13 from shifting and further leakage, while avoiding overload damage to the drive mechanism 2.
As shown in fig. 8-9, a positioning hole is formed at one end of the valve clack 13 near the positioning component, the positioning component comprises a guide pipe 14, a positioning rod 141 is arranged at one end of the guide pipe 14 near the valve clack 13, an electromagnet 142 is arranged at one end of the guide pipe 14 far away from the valve clack 13, one end of the positioning rod 141 near the electromagnet 142 is magnetic and is matched with the positioning rod 141, and the electromagnet 142 always generates a set of magnetic fields for attracting the positioning rod 141 in normal operation, so that the positioning rod 141 is positioned in the guide pipe 14, the valve clack 13 is prevented from being influenced by movement, when an electric signal generated by a piezoelectric sheet exceeds a set value, the electromagnet 142 generates a set of magnetic fields for repelling the positioning rod 141, at the moment, one end of the positioning rod 141 enters the positioning hole, the valve clack 13 is reset through the positioning rod 141, and a set of supporting force is applied to the valve clack 13, and the valve clack 13 is prevented from being deflected.
The working principle of the invention is as follows: before working, the pretreatment tube 3 is fixedly arranged at the liquid inlet end of the valve body 1 through bolts and nuts, then one end of the pretreatment tube 3 far away from the valve body 1 is connected with the water inlet pipe, when the invention is used, liquid can firstly flow through the pretreatment tube 3 and then enter the valve body 1, impurities in the liquid can be trapped through a pretreatment component in the pretreatment tube 3, so that the impurities are prevented from accumulating in the valve body 1, and the eccentric butterfly valve is prevented from being blocked to influence the subsequent opening and closing.
While embodiments of the present invention have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the spirit and principles of the invention.
Claims (5)
1. An eccentric butterfly valve with anti-blocking function, characterized in that: the eccentric butterfly valve comprises a valve body (1), a driving mechanism (2) and a pretreatment pipe (3), wherein the driving mechanism (2) is arranged above the valve body (1), the pretreatment pipe (3) is arranged at a liquid inlet end of the valve body (1), a pretreatment component is arranged in the pretreatment pipe (3), the pretreatment component is used for preventing the eccentric butterfly valve from being blocked, a valve clack (13) is arranged in the valve body (1), the driving mechanism (2) is connected with the valve clack (13) through a rotating shaft (12), a sealing ring (11) is further arranged in the valve body (1), the inner wall of the sealing ring (11) is matched with the outer wall of the valve clack (13), one side, far away from the pretreatment pipe (3), of the sealing ring (11) is provided with a positioning component, and the positioning component is provided with a plurality of groups, and the valve clack (13) is prevented from being deviated through the positioning component;
the pretreatment assembly comprises a interception plate (34) and a rubber pad, wherein the interception plate (34) and the rubber pad are arranged in the pretreatment pipe (3), the outer wall of the rubber pad is fixedly connected with the inner wall of the pretreatment pipe (3), the inner wall of the rubber pad is matched with the outer wall of the interception plate (34), two groups of movable cavities (343) are arranged on the interception plate (34), and a group of first filter plates (341) and a group of second filter plates (342) are arranged in each group of movable cavities (343);
The device is characterized in that a second channel (36) and a first channel (35) are respectively arranged at the upper end and the lower end of the pretreatment tube (3), a separation seat (31), a reversing motor (32) and an annular frame (33) are arranged outside the pretreatment tube (3), a transmission shaft of the reversing motor (32) is fixedly connected with a retaining plate (34), a separation assembly is arranged inside the separation seat (31), an annular groove (331) is arranged inside the annular frame (33), one end of the separation assembly is communicated with the first channel (35), the other end of the separation assembly is connected with the annular groove (331), and one end, far away from the separation assembly, of the annular groove (331) is communicated with the second channel (36);
The separation assembly comprises a communicating groove (311), a liquid pump (312), a separation tank (314) and a fixed cavity (316), wherein the liquid pump (312) and the fixed cavity (316) are arranged at one end of a separation seat (31) which is far away from a pretreatment pipe (3), one end of the fixed cavity (316) is communicated with a first channel (35) through the communicating groove (311), the other end of the fixed cavity (316) is communicated with a liquid inlet end of the liquid pump (312), a liquid outlet end of the liquid pump (312) is communicated with an annular groove (331), the separation tank (314) is detachably arranged inside the fixed cavity (316), one end of the separation tank (314) which is close to the communicating groove (311) is provided with a liquid inlet, and one end of the separation tank (314) which is close to the liquid pump (312) is provided with a plurality of groups of filtering holes.
2. An eccentric butterfly valve with anti-clogging function as in claim 1, wherein: the one end that is close to the feed liquor hole inside of UNICOM groove (311) is provided with first closing plate (315), first closing plate (315) are connected with UNICOM groove (311) through compression spring pole, the inside of knockout drum (314) is provided with ejector pin (313), the one end that is close to second passageway (36) inside ring channel (331) is provided with second sealing block (332), the one end and the separation subassembly of ring channel (331) are linked together, the other end inside packing of ring channel (331) has compressed gas.
3. An eccentric butterfly valve with anti-clogging function as in claim 2, wherein: the first filter plate (341) and the second filter plate (342) in each group of movable cavities (343) are connected through a reset spring, and a plurality of groups of piezoelectric ceramic vibrating pieces are arranged on the inner wall of each group of movable cavities (343).
4. An eccentric butterfly valve with anti-clogging function according to any of claims 1-3, characterized in that: the driving mechanism (2) comprises a power assembly (21) and a transmission frame (22), a connecting seat (221) is arranged in the transmission frame (22), a rotating shaft (12) is fixedly connected with the connecting seat (221), one end, close to the power assembly (21), of the connecting seat (221) is provided with a connecting groove (2214), an induction frame (2213) is arranged in the connecting groove (2214), an output shaft (211) of the power assembly (21) is inserted into the connecting seat (221) and is fixedly connected with the induction frame (2213), an induction groove (2211) is formed in the side end of the connecting groove (2214), an induction block (2212) is arranged in the induction groove (2211), one end of the induction block (2212) is fixedly connected with the induction frame (2213), the other end, close to the induction spring, of the induction block (2212) is provided with a piezoelectric sheet, and the positioning assembly is connected with an external power supply through the piezoelectric sheet.
5. An eccentric butterfly valve with anti-clogging function as in claim 1, wherein: the valve clack (13) is close to the one end of locating component and is provided with the locating hole, locating component includes pipe (14), the inside one end that is close to valve clack (13) of pipe (14) is provided with locating lever (141), the inside one end that keeps away from valve clack (13) of pipe (14) is provided with electro-magnet (142), the one end that locating lever (141) is close to electro-magnet (142) has magnetism, the locating hole cooperatees with locating lever (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410517389.0A CN118110795B (en) | 2024-04-28 | 2024-04-28 | Eccentric butterfly valve with anti-blocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410517389.0A CN118110795B (en) | 2024-04-28 | 2024-04-28 | Eccentric butterfly valve with anti-blocking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118110795A CN118110795A (en) | 2024-05-31 |
| CN118110795B true CN118110795B (en) | 2024-07-09 |
Family
ID=91221000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410517389.0A Active CN118110795B (en) | 2024-04-28 | 2024-04-28 | Eccentric butterfly valve with anti-blocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118110795B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217381659U (en) * | 2022-05-06 | 2022-09-06 | 山东亿佰通阀门有限公司 | Silt-proof butterfly valve |
| CN117189886A (en) * | 2023-11-07 | 2023-12-08 | 江苏特一机械股份有限公司 | Three-eccentric bidirectional sealing butterfly valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8216329B2 (en) * | 2010-07-26 | 2012-07-10 | Hamilton Sundstrand Corporation | Removable external filter for servo air actuated valves |
| CN210687014U (en) * | 2019-09-19 | 2020-06-05 | 贵阳九洲翔丰环保科技有限公司 | Silt-proof butterfly valve |
| CN213575589U (en) * | 2020-10-09 | 2021-06-29 | 佛山市正之道五金电器有限公司 | Anti-blocking corrosion-resistant blow-down valve |
| CN114941721A (en) * | 2022-06-15 | 2022-08-26 | 江苏博特威流体科技有限公司 | Drainage control valve with two-way regulation |
-
2024
- 2024-04-28 CN CN202410517389.0A patent/CN118110795B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217381659U (en) * | 2022-05-06 | 2022-09-06 | 山东亿佰通阀门有限公司 | Silt-proof butterfly valve |
| CN117189886A (en) * | 2023-11-07 | 2023-12-08 | 江苏特一机械股份有限公司 | Three-eccentric bidirectional sealing butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118110795A (en) | 2024-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101666307B (en) | Funnel-shaped valve piezoelectric pump and working method thereof | |
| CN1161595C (en) | Platform for detecting leakage of pressurizing device | |
| CN110469685A (en) | A kind of Pneumatic axial flow quick action emergency valve | |
| CN118110795B (en) | Eccentric butterfly valve with anti-blocking function | |
| CN115875508A (en) | On-line maintenance flow and pressure regulating valve bank | |
| CN211649204U (en) | Self-operated regulating valve | |
| CN201531396U (en) | Funnel-shaped valve pressure electric pump | |
| CN201827393U (en) | Special double-seal hydraulic control butterfly valve for hydroelectricity | |
| CN210716131U (en) | Pneumatic type emptying valve | |
| CN111425619B (en) | Distributed vacuum sewage collecting barrel and fault early warning method | |
| CN221034053U (en) | Pneumatic ball valve | |
| CN219102195U (en) | On-line maintenance flow-regulating pressure regulating valve set | |
| CN116146730B (en) | Pneumatic film regulating valve | |
| CN220185997U (en) | Hydraulic control device for water inlet valve | |
| CN211975925U (en) | Hard seal flange stop valve | |
| CN221423929U (en) | Rotary valve | |
| CN211975897U (en) | Balanced type cut-off, regulation, filtration and blow-off valve | |
| CN218440950U (en) | Plug-in proportional flow valve | |
| CN218992465U (en) | High-pressure cryogenic axial flow check valve with good sealing effect | |
| CN220286703U (en) | Leakage-proof natural gas pipeline valve | |
| CN221131323U (en) | Back flushing filter device of mining centrifugal filter station | |
| CN218935328U (en) | Multi-gear limit control valve body | |
| CN219148908U (en) | Medical oxygen supply valve | |
| CN220134129U (en) | Duplex sewage discharging device and exhaust valve for compressor | |
| CN216692324U (en) | Differential pressure flow control valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |