CN211231609U - Inclined plate type pneumatic control butterfly valve - Google Patents
Inclined plate type pneumatic control butterfly valve Download PDFInfo
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- CN211231609U CN211231609U CN201922043281.XU CN201922043281U CN211231609U CN 211231609 U CN211231609 U CN 211231609U CN 201922043281 U CN201922043281 U CN 201922043281U CN 211231609 U CN211231609 U CN 211231609U
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Abstract
A swash plate type pneumatic control butterfly valve sequentially comprises a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, a blade, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket, a shell locking nut, a lower shell, a shell and support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket, a support and valve body locking bolt, a valve rod sealing sleeve, a valve rod upper sealing O-shaped ring and a valve rod support ring, set screw, stopping pad, valve rod, the sealed O type circle under the valve rod, valve rod uide bushing, swash plate O type circle, swash plate, butterfly valve body entry, location axle uide bushing, location axle, the sealed O type circle of location axle, location axle lock nut, butterfly valve body export, first air inlet, first air accuse chamber, adjusting screw, the sealed O type circle of adjusting screw, fastening nut, second air accuse chamber, reference column and second air inlet are constituteed.
Description
Technical Field
The utility model relates to a valve field, concretely relates to swash plate formula gas accuse butterfly valve.
Background
The valve industry plays an important role as an important link of equipment manufacturing industry in national economic development, and the valve industry in China has a plurality of valve industry chains but is not a strong valve. In general, China has already taken a step in the world valve big country, but from the viewpoint of product quality, China still has a long gap from the valve strong country. The phenomena of low production concentration, low valve research and development capability matched with high-end products, low manufacturing technical level of the valve industry and the like still exist in the industry, and the import and export trade adverse difference is continuously expanded. The valve enterprises which can really survive on the market are not enough, but the high-speed oscillation of the valve industry brings huge opportunities, and the oscillation results can make the market operation more rational.
The butterfly valve is a valve which is used most widely in industrial equipment operation, is introduced and used abroad in 70 s in China, is rapidly popularized and used due to simple structure, but is limited in application range due to the fact that the traditional butterfly valve structure is a center line symmetric butterfly valve and is sealed by interference of a butterfly plate and a valve seat, particularly under the working condition of high use frequency, the butterfly valve is fast in abrasion and short in service life, and is developed into a multi-eccentric butterfly valve in the follow-up process, but the butterfly valve is more complex in structure, high in maintenance cost and high in use threshold, popularization and use of the butterfly valve are affected, and the butterfly valve is also limited in the equipment industry using the butterfly valve and is not beneficial to rapid and efficient development of the modern equipment industry.
Disclosure of Invention
To the problem, the utility model aims at providing an applicable gas accuse butterfly valve that requires under the higher operating mode of frequency to the installation butterfly valve, has simple structure compactness, sealed good reliable, maintain portably.
The utility model discloses the technical scheme who takes as follows:
a swash plate type pneumatic control butterfly valve sequentially comprises a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, a blade, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket, a shell locking nut, a lower shell, a shell and support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket, a support and valve body locking bolt, a valve rod sealing sleeve, a valve rod upper sealing O-shaped ring, a valve rod support ring, a set screw, a retaining gasket, a valve rod lower sealing O-shaped ring, a valve rod guide sleeve, a swash plate O-shaped ring, a swash plate, a butterfly valve body inlet, a positioning shaft guide sleeve, a positioning shaft sealing O-shaped ring, a positioning shaft locking nut, a butterfly valve body outlet, a first air inlet, a first pneumatic control cavity, an adjusting screw, an adjusting, A second air inlet.
The upper shell and the lower shell form an upper pneumatic control part, and a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, blades, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket and a shell locking nut are arranged in the upper pneumatic control part; the butterfly valve body and the inclined plate form a lower execution part, and an inclined plate O-shaped ring, a positioning shaft guide sleeve, a positioning shaft sealing O-shaped ring and a positioning shaft locking nut are arranged in the lower execution part; the pneumatic control part and the execution part are connected by a support, and a shell, a support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket and a support and valve body locking bolt are arranged in the pneumatic control part and the execution part; the butterfly valve body and the valve rod form an upper sealing part, and a valve rod sealing sleeve, an upper valve rod sealing O-shaped ring, a valve rod supporting ring, a set screw, a retaining pad, a lower valve rod sealing O-shaped ring and a valve rod guide sleeve are arranged in the upper sealing part; the fan-shaped air cylinder is characterized in that a first air inlet and a second air inlet are respectively formed in two side walls of the fan-shaped air cylinder, the first air inlet and the second air inlet are respectively connected with an external air control device, the interior of the fan-shaped air cylinder is communicated with a front cavity and a rear cavity of the blade, a rectangular ring is arranged on the periphery of the blade, and an air cylinder cavity can be divided into a first air control cavity and a second air control cavity which are independent of each other.
Further: the inclined plate of the execution part and the butterfly valve body are sealed in a shape inclined by 20 degrees, and an integrally vulcanized inclined plate O-shaped ring is arranged on the whole periphery of the butterfly plate;
further: the actuator part consisting of the upper shell and the lower shell is internally provided with blades, and the blades and the rotating shaft are integrally cast.
Further: the two ends of the valve body, namely the connector form connected with the pipeline, can be connected by flanges and butt clamps, and can meet the connection requirement of more than 90 percent of the current industrial occasions applying butterfly valves.
The utility model discloses, can use and require the higher operating mode of frequency to the installation butterfly valve, realize that automation equipment is more reliable, high-efficient.
Drawings
Fig. 1 is a schematic structural view of a swash plate type pneumatic control butterfly valve of the present invention;
fig. 2 is a schematic view of a closed state of the swash plate type pneumatic control butterfly valve of the present invention;
fig. 3 is a schematic view of an open state of the swash plate type pneumatic control butterfly valve of the present invention;
fig. 4 is a schematic view of the opening state of the fan-shaped actuator of the inclined plate type pneumatic control butterfly valve of the present invention;
fig. 5 is a schematic view of a closed state of a fan-shaped actuator of the swash plate type pneumatic control butterfly valve of the present invention;
in the figure: 1 shell O-ring, 2 dustproof ring, 3 rotating shaft O-ring, 4 supporting rings, 5 rectangular rings, 6 blades, 7 rotating shafts, 8 upper shell, 9 shell bolts, 10 shell anti-loose gaskets, 11 shell locknuts, 12 lower shell, 13 shell and bracket lockbolts, 14 couplers, 15 brackets, 16 bracket and valve body locknuts, 17 bracket anti-loose gaskets, 18 bracket and valve body lockbolts, 19 valve rod sealing sleeves, 20 valve rod upper sealing O-ring, 21 valve rod supporting ring, 22 set screw, 23 retaining gasket, 24 valve rod, 25 valve rod lower sealing O-ring, 26 valve rod guide sleeve, 27 inclined plate O-ring, 28 inclined plate, 29 butterfly valve body, 30 butterfly valve body inlet, 31 positioning shaft guide sleeve, 32 positioning shaft, 33 positioning shaft sealing O-ring, 34 shaft locknut, 35 butterfly valve body outlet, 36 first air inlet, 37 first air control cavity, 38 adjusting screw, The adjusting screw 39 seals the O-ring, the fastening nut 40, the second pneumatic control cavity 41, the positioning column 42 and the second air inlet 43.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1-5, a swash plate type pneumatic control butterfly valve sequentially comprises a housing O-ring, a dust ring, a rotating shaft O-ring, a support ring, a rectangular ring, a blade, a rotating shaft, an upper housing, a housing bolt, a housing check washer, a housing lock nut, a lower housing, a housing and support lock bolt, a coupler, a support and valve body lock nut, a support check washer, a support and valve body lock bolt, a valve rod gland, a valve rod upper seal O-ring, a valve rod support ring, a set screw, a retaining washer, a valve rod lower seal O-ring, a valve rod guide sleeve, a swash plate O-ring, a swash plate, a butterfly valve body inlet, a positioning shaft guide sleeve, a positioning shaft seal O-ring, a positioning shaft lock nut, a butterfly valve body outlet, a first air inlet, a first pneumatic control cavity, an, The second pneumatic control cavity, the positioning column and the second air inlet; the upper shell and the lower shell form an upper pneumatic control part, and a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, blades, a rotating shaft, an upper shell, a shell bolt, a shell loosening gasket and a shell locking nut are arranged in the upper pneumatic control part; the butterfly valve body and the inclined plate form a lower execution part, and an inclined plate O-shaped ring, a positioning shaft guide sleeve, a positioning shaft sealing O-shaped ring and a positioning shaft locking nut are arranged in the lower execution part; the pneumatic control part and the execution part are connected by a support, and a shell, a support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket and a support and valve body locking bolt are arranged in the pneumatic control part and the execution part; the butterfly valve body and the valve rod form an upper sealing part, and a valve rod sealing sleeve, an upper valve rod sealing O-shaped ring, a valve rod supporting ring, a set screw, a retaining pad, a lower valve rod sealing O-shaped ring and a valve rod guide sleeve are arranged in the upper sealing part; the fan-shaped air cylinder is characterized in that a first air inlet and a second air inlet are respectively formed in two side walls of the fan-shaped air cylinder, the first air inlet and the second air inlet are respectively connected with an external air control device, the interior of the fan-shaped air cylinder is communicated with a front cavity and a rear cavity of the blade, a rectangular ring is arranged on the periphery of the blade, and an air cylinder cavity can be divided into a first air control cavity and a second air control cavity which are independent of each other.
The inclined plate of the execution part and the butterfly valve body are sealed by adopting a shape inclined by 20 degrees, so that the flow loss can be reduced, and the O-shaped ring of the integrally vulcanized inclined plate is arranged on the whole periphery of the butterfly plate, so that the sealing performance is improved, and the shock-resistant sealing performance is improved; the actuator part consisting of the upper shell and the lower shell is internally provided with a blade, the blade and the rotating shaft are integrally cast, the whole control cavity is only provided with one movable part of the blade, the structure is simple, the damage is not easy to damage, and the service life of the whole lifting device is prolonged; the two ends of the valve body, namely the connector form connected with the pipeline, can be in flange connection and butt clamp connection, and the flange connection and the butt clamp connection can be selected according to actual needs and are not limited.
In this embodiment, fig. 2 and 3 show the overall movement state of the valve, and fig. 4 and 5 show the movement state of the upper actuator. Compressed air is introduced from the first air inlet, the air pushes the blades to move towards the opposite side, the second air inlet discharges the air in the second air control cavity, the blade linkage coupler pulls the valve rod linkage inclined plate to rotate to open the sealing surface of the valve body, the valve is opened, the medium enters the outlet end of the valve body from the inlet end of the valve body, namely, the valve body moves from the state shown in the figure 2 to the state shown in the figure 3, and the actuator moves from the state shown in the figure 5 to the state shown in the figure 4 to complete the opening action of the valve; removing introduced compressed air from the first air inlet, introducing compressed air from the second air inlet, pushing the blades to move towards opposite sides by the gas, discharging the gas in the first pneumatic control cavity by the first air inlet, further pulling the valve rod linkage inclined plate to turn to the sealing surface direction of the valve body and stop at the sealing surface of the butterfly valve body by the blade linkage coupler, closing the valve, moving a medium to the state of figure 2 from the state of figure 3 by being blocked at the inlet end of the butterfly valve body, and moving an actuator to the state of figure 5 from figure 4 to complete the closing action of the valve;
the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
A swash plate type pneumatic control butterfly valve sequentially comprises a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, a blade, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket, a shell locking nut, a lower shell, a shell and support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket, a support and valve body locking bolt, a valve rod sealing sleeve, a valve rod upper sealing O-shaped ring and a valve rod support ring, set screw, stopping pad, valve rod, the sealed O type circle under the valve rod, valve rod uide bushing, swash plate O type circle, swash plate, butterfly valve body entry, location axle uide bushing, location axle, the sealed O type circle of location axle, location axle lock nut, butterfly valve body export, first air inlet, first air accuse chamber, adjusting screw, the sealed O type circle of adjusting screw, fastening nut, second air accuse chamber, reference column and second air inlet are constituteed.
Claims (4)
1. A swash plate type pneumatic control butterfly valve sequentially comprises a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, a blade, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket, a shell locking nut, a lower shell, a shell and support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket, a support and valve body locking bolt, a valve rod sealing sleeve, a valve rod upper sealing O-shaped ring, a valve rod support ring, a set screw, a retaining gasket, a valve rod lower sealing O-shaped ring, a valve rod guide sleeve, a swash plate O-shaped ring, a swash plate, a butterfly valve body inlet, a positioning shaft guide sleeve, a positioning shaft sealing O-shaped ring, a positioning shaft locking nut, a butterfly valve body outlet, a first air inlet, a first pneumatic control cavity, an adjusting screw, an adjusting, The second air inlet is characterized in that:
the upper shell and the lower shell form an upper pneumatic control part, and a shell O-shaped ring, a dustproof ring, a rotating shaft O-shaped ring, a support ring, a rectangular ring, blades, a rotating shaft, an upper shell, a shell bolt, a shell anti-loosening gasket and a shell locking nut are arranged in the upper pneumatic control part;
the butterfly valve body and the inclined plate form a lower execution part, and an inclined plate O-shaped ring, a positioning shaft guide sleeve, a positioning shaft sealing O-shaped ring and a positioning shaft locking nut are arranged in the lower execution part;
the pneumatic control part and the execution part are connected by a support, and a shell, a support locking bolt, a coupler, a support and valve body locking nut, a support anti-loosening gasket and a support and valve body locking bolt are arranged in the pneumatic control part and the execution part;
the butterfly valve body and the valve rod form an upper sealing part, and a valve rod sealing sleeve, an upper valve rod sealing O-shaped ring, a valve rod supporting ring, a set screw, a retaining pad, a lower valve rod sealing O-shaped ring and a valve rod guide sleeve are arranged in the upper sealing part;
the two side walls of the upper shell are respectively provided with a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively connected with an external air control device, the interior of the upper shell is communicated with the front cavity and the rear cavity of the blade, the periphery of the blade is provided with a rectangular ring, and a cylinder cavity can be divided into a first air control cavity and a second air control cavity which are independent of each other.
2. The inclined plate type pneumatic control butterfly valve according to claim 1, which is characterized in that: the inclined plate of the execution part and the butterfly valve body are sealed in a shape inclined by 20 degrees, and an O-shaped ring of the integrally vulcanized inclined plate is arranged on the whole periphery of the butterfly valve body.
3. The inclined plate type pneumatic control butterfly valve according to claim 1, which is characterized in that: the actuator part consisting of the upper shell and the lower shell is internally provided with blades, and the blades and the rotating shaft are integrally cast.
4. The inclined plate type pneumatic control butterfly valve according to claim 1, which is characterized in that: the two ends of the valve body, namely the connector form connected with the pipeline, are connected by flanges or butt clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043281.XU CN211231609U (en) | 2019-11-25 | 2019-11-25 | Inclined plate type pneumatic control butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043281.XU CN211231609U (en) | 2019-11-25 | 2019-11-25 | Inclined plate type pneumatic control butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231609U true CN211231609U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922043281.XU Active CN211231609U (en) | 2019-11-25 | 2019-11-25 | Inclined plate type pneumatic control butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231609U (en) |
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2019
- 2019-11-25 CN CN201922043281.XU patent/CN211231609U/en active Active
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