CN220470655U - Vacuum butterfly valve with strong airtight performance - Google Patents
Vacuum butterfly valve with strong airtight performance Download PDFInfo
- Publication number
- CN220470655U CN220470655U CN202322173985.5U CN202322173985U CN220470655U CN 220470655 U CN220470655 U CN 220470655U CN 202322173985 U CN202322173985 U CN 202322173985U CN 220470655 U CN220470655 U CN 220470655U
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- China
- Prior art keywords
- valve plate
- inflatable
- butterfly valve
- sealing ring
- vacuum butterfly
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- 238000007789 sealing Methods 0.000 claims abstract description 32
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 244000309464 bull Species 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of vacuum butterfly valves and discloses a vacuum butterfly valve with strong air tightness, which comprises a shell, wherein mounting flanges are fixed at two ends of the shell, two groups of valve plate assemblies are arranged in the shell, an air inflation sealing ring is arranged at the outer edge of each group of valve plate assemblies, a control box is fixed at the top of the shell, an air inflation assembly for inflating the air inflation sealing ring and a valve plate driving mechanism for driving the two groups of valve plate assemblies to rotate are arranged in the control box, and when the air inflation sealing ring is inflated, the air inflation sealing ring is tightly attached to the inner wall of the shell. According to the utility model, through the arrangement of the inflatable sealing ring and the inflatable assembly, when the butterfly valve is closed, the inflatable sealing ring can be inflated through the inflatable assembly, so that the edge of the inflatable sealing ring is tightly attached to the shell, the air tightness of the vacuum butterfly valve is improved, and when the butterfly valve rotates, the inflatable assembly discharges the air in the inflatable sealing ring, so that the rotation of the valve plate assembly is prevented from being influenced.
Description
Technical Field
The utility model relates to the technical field of vacuum butterfly valves, in particular to a vacuum butterfly valve with strong air tightness.
Background
The utility model provides a vacuum butterfly valve that airtight is strong, includes the casing, the both ends of casing all are fixed with mounting flange, the inside of casing is provided with two sets of valve plate subassemblies, and the air-filled seal circle is all installed to the outward flange department of every group valve plate subassembly, the top of casing is fixed with the control box, the inside of control box is provided with the valve plate actuating mechanism that aerifing the subassembly of aerifing the seal circle and drive two sets of valve plate subassemblies rotation the air-filled seal circle when aerifing, the air-filled seal circle is hugged closely with the inner wall of casing.
According to the utility model, through the arrangement of the inflatable sealing ring and the inflatable assembly, when the butterfly valve is closed, the inflatable sealing ring can be inflated through the inflatable assembly, so that the edge of the inflatable sealing ring is tightly attached to the shell, the air tightness of the vacuum butterfly valve is improved, and when the butterfly valve rotates, the inflatable assembly discharges the air in the inflatable sealing ring, so that the rotation of the valve plate assembly is prevented from being influenced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a vacuum butterfly valve with strong air tightness.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a vacuum butterfly valve that airtight is strong, includes the casing, the both ends of casing all are fixed with mounting flange, the inside of casing is provided with two sets of valve plate subassemblies, and the air-filled seal circle is all installed to the outward flange department of every group valve plate subassembly, the top of casing is fixed with the control box, the inside of control box is provided with the valve plate actuating mechanism that aerifing the subassembly of aerifing the seal circle and drive two sets of valve plate subassemblies rotation the air-filled seal circle when aerifing, the air-filled seal circle is hugged closely with the inner wall of casing.
Preferably, two sets of valve plate subassembly structures are the same all including valve plate body, bull stick and swivel mount, the swivel mount is located the bottom of valve plate body and rotates with the inner wall of casing and be connected, the bull stick is located the top of valve plate body and extends to the inside of casing, the holding tank has been seted up to the edge of valve plate body, inflatable seal is located the inside of holding tank.
Preferably, the top end of the inflatable sealing ring is connected with an inflatable head, the inflatable head extends to the inside of the rotating rod, one side of the inflatable head is provided with an inflatable connecting port, the surface of the rotating rod is provided with an opening, and the inflatable connecting port extends to the outside through the opening.
Preferably, the groove bodies are respectively arranged at one ends of the rotating rod and the rotating seat, which are close to the inflatable sealing ring.
Preferably, the inflation assembly comprises an inflation pump arranged in the control box, an inflation port of the inflation pump is connected with a flexible inflation tube, and the inflation tube is connected with the inflation connection port.
Preferably, the valve plate driving mechanism comprises a driving motor, and worm and gear components are connected between the driving motor and the rotating rods of the two groups of valve plate components.
Preferably, a control switch is mounted on the surface of the control box.
The utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the inflatable sealing ring and the inflatable assembly, when the butterfly valve is closed, the inflatable sealing ring can be inflated through the inflatable assembly, so that the edge of the inflatable sealing ring is tightly attached to the shell, the air tightness of the vacuum butterfly valve is improved, and when the butterfly valve rotates, the inflatable assembly discharges the air in the inflatable sealing ring, so that the rotation of the valve plate assembly is prevented from being influenced.
2. According to the butterfly valve, the two valve plate assemblies are arranged, so that the butterfly valve can realize double sealing and separation, the air tightness is stronger, the integral air tightness effect of the butterfly valve is not affected even if the air tightness of one valve plate assembly is reduced, and meanwhile, the two valve plate assemblies can be driven to rotate by the arranged valve plate driving mechanism, so that the butterfly valve is convenient to operate.
Drawings
FIG. 1 is a perspective view of a vacuum butterfly valve with strong air tightness;
FIG. 2 is a block diagram of a valve plate assembly and an inflatable seal ring of a vacuum butterfly valve with high air tightness according to the present utility model;
FIG. 3 is a partial cross-sectional view of a strong airtight vacuum butterfly valve according to the present utility model;
fig. 4 is an enlarged view of a vacuum butterfly valve with strong air tightness according to the present utility model.
Legend description:
1. a housing; 2. a mounting flange; 3. a valve plate assembly; 31. a receiving groove; 32. a rotating rod; 33. rotating base; 34. a tank body; 35. an opening; 4. a control box; 5. a control switch; 6. an inflatable sealing ring; 61. an inflation head; 62. an inflation connection port; 7. a valve plate driving mechanism; 71. a driving motor; 72. a worm gear assembly; 73. an inflator pump; 74. and (5) an inflation tube.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a vacuum butterfly valve that airtight is strong, including casing 1, the both ends of casing 1 all are fixed with mounting flange 2, can install vacuum butterfly valve on required pipeline through mounting flange 2, the inside of casing 1 is provided with two sets of valve plate subassembly 3, the outward flange department of every set of valve plate subassembly 3 all installs inflatable seal circle 6, inflatable seal circle 6 inflation can closely laminate with casing 1 and realize sealedly when aerifing, the top of casing 1 is fixed with control box 4, the inside of control box 4 is provided with the inflation subassembly that aerifing sealing circle 6 was aerifyd and the rotatory valve plate actuating mechanism 7 of two sets of valve plate subassemblies 3 of drive, when inflatable seal circle 6 aerifys, inflatable seal circle 6 hugs closely with the inner wall of casing 1.
The two sets of valve plate components 3 structure is the same and all includes valve plate body, bull stick 32 and swivel mount 33, swivel mount 33 is located the bottom of valve plate body and rotates with the inner wall of casing 1 to be connected, the bull stick 32 is located the top of valve plate body and extends to the inside of casing 1, holding tank 31 has been seted up to the edge of valve plate body, inflatable sealing circle 6 is located the inside of holding tank 31, when inflatable sealing circle 6 does not aerify, the high holding tank 31 that inflatable sealing circle 6 is located, avoid influencing the rotation of valve plate body, slightly be higher than holding tank 31 and can closely laminate with the inner wall of casing 1 and realize sealedly when inflatable expansion, the cell body 34 has all been seted up to the one end that bull stick 32 and swivel mount 33 are close to inflatable sealing circle 6, the inside of partly entering cell body 34 when inflatable sealing circle 6 is hindered inflatable sealing circle 6 expansion by the inside of protection of swivel mount 33 and bull stick 32 that can be fine.
The top of inflatable seal 6 is connected with inflatable head 61, and inflatable head 61 extends to the inside of bull stick 32, and one side of inflatable head 61 is provided with the inflation connector 62, and opening 35 has been seted up on the surface of bull stick 32, and inflation connector 62 passes opening 35 and extends to outside, and the inflation subassembly is including setting up the pump 73 in the inside of control box 4, and the inflation inlet of pump 73 is connected with flexible gas tube 74, and gas tube 74 is connected with inflation connector 62 to realize inflating inflatable seal 6, still be provided with the solenoid valve that can exhaust in inflatable head 61 department simultaneously, when needs open the butterfly valve, need be with the gas discharge of inflatable seal 6 at first.
The valve plate driving mechanism 7 comprises a driving motor 71, worm and gear components 72 are connected between the driving motor 71 and the rotating rods 32 of the two groups of valve plate components 3, and when the driving motor 71 rotates, the rotating rods 32 can be driven to rotate through the transmission of the worm and gear components 72, so that the rotating rods 32 drive the valve plate body to rotate, a control switch 5 is arranged on the surface of the control box 4, and a PLC (programmable logic controller) is further arranged in the control box 4 so as to control the inflation components and the valve plate driving mechanism 7.
Working principle: when the valve needs to be closed, the valve plate driving mechanism 7 is started through the control switch 5 on the control box 4, and when the driving motor 71 rotates, the rotating rod 32 can be driven to rotate through the transmission of the worm gear component 72, so that the rotating rod 32 drives the valve plate body to rotate, the two valve plate components 3 are closed simultaneously, and the PLC controller controls the inflator 73 to start to inflate the inside of the inflatable sealing ring 6, so that the inflatable sealing ring 6 is inflated to be clung to the inner wall of the shell 1, sealing is realized, and air tightness is improved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a vacuum butterfly valve that airtight is strong, includes casing (1), the both ends of casing (1) all are fixed with mounting flange (2), its characterized in that: the inside of casing (1) is provided with two sets of valve plate subassemblies (3), and air-filled seal (6) are all installed to the outward flange department of every valve plate subassembly (3), the top of casing (1) is fixed with control box (4), the inside of control box (4) is provided with the valve plate actuating mechanism (7) that aerifys subassembly and two sets of valve plate subassemblies (3) of drive were rotatory for air-filled seal (6) when aerifing, air-filled seal (6) are hugged closely with the inner wall of casing (1).
2. The high-tightness vacuum butterfly valve of claim 1, wherein: the two groups of valve plate assemblies (3) are identical in structure and comprise a valve plate body, a rotating rod (32) and a rotating seat (33), wherein the rotating seat (33) is located at the bottom of the valve plate body and is rotationally connected with the inner wall of the shell (1), the rotating rod (32) is located at the top end of the valve plate body and extends to the inside of the shell (1), the edge of the valve plate body is provided with a containing groove (31), and the inflatable sealing ring (6) is located in the containing groove (31).
3. A strong airtight vacuum butterfly valve according to claim 2, wherein: the top of inflatable seal circle (6) is connected with and aerifys first (61), it extends to the inside of bull stick (32) to aerify first (61), one side of aerifing first (61) is provided with and aerifys connector (62), opening (35) have been seted up on the surface of bull stick (32), aerify connector (62) and pass opening (35) and extend to outside.
4. A high-tightness vacuum butterfly valve according to claim 3, wherein: the groove bodies (34) are respectively arranged at one ends of the rotating rod (32) and the rotating seat (33) close to the inflatable sealing ring (6).
5. A high-tightness vacuum butterfly valve according to claim 3, wherein: the inflation assembly comprises an inflation pump (73) arranged in the control box (4), an inflation port of the inflation pump (73) is connected with a flexible inflation tube (74), and the inflation tube (74) is connected with the inflation connection port (62).
6. The high-tightness vacuum butterfly valve of claim 1, wherein: the valve plate driving mechanism (7) comprises a driving motor (71), and worm and gear components (72) are connected between the driving motor (71) and rotating rods (32) of the two groups of valve plate components (3).
7. The high-tightness vacuum butterfly valve of claim 1, wherein: and a control switch (5) is arranged on the surface of the control box (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173985.5U CN220470655U (en) | 2023-08-14 | 2023-08-14 | Vacuum butterfly valve with strong airtight performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322173985.5U CN220470655U (en) | 2023-08-14 | 2023-08-14 | Vacuum butterfly valve with strong airtight performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470655U true CN220470655U (en) | 2024-02-09 |
Family
ID=89772858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322173985.5U Active CN220470655U (en) | 2023-08-14 | 2023-08-14 | Vacuum butterfly valve with strong airtight performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470655U (en) |
-
2023
- 2023-08-14 CN CN202322173985.5U patent/CN220470655U/en active Active
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