CN212273238U - Pilot-operated type pneumatic control angle seat valve - Google Patents
Pilot-operated type pneumatic control angle seat valve Download PDFInfo
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- CN212273238U CN212273238U CN202020558953.0U CN202020558953U CN212273238U CN 212273238 U CN212273238 U CN 212273238U CN 202020558953 U CN202020558953 U CN 202020558953U CN 212273238 U CN212273238 U CN 212273238U
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Abstract
The invention relates to a pilot-operated type pneumatic control angle seat valve which sequentially comprises a window, a window O-shaped ring, an indicating rod, a silencer, a cylinder, a locking nut, a piston ring, a piston O-shaped ring, a piston gasket, an air inlet, an end cover O-shaped ring, a hole check ring, an end cover, a locking bolt, a spring gasket, a valve body gasket, a valve rod, a gland, a valve core, a pilot sealing gasket, a valve core gasket, a self-locking nut, a spring, a second pneumatic control cavity, an oil-containing bearing, a first pneumatic control cavity, an end cover Y-shaped ring, a gasket I, a sealing spring, a gasket II, a valve rod assembly pressing ring, a valve rod assembly U-shaped ring, a valve rod assembly V-shaped.
Description
Technical Field
The utility model relates to a valve field, concretely relates to guide's formula gas accuse angle seat valve.
Background
In the developed modern industry, as the vision of industrial manufacturing 2025 is increased to the national strategic arrangement, the automation degree of each industry needs to be improved and perfected. The pneumatic control valve realizes the perfect automatic control, an effective sealing mechanism and a quick reaction control effect, is widely used in the related fields of chemical industry, filling industry, printing and dyeing textile industry, rubber industry, pharmaceutical industry, water treatment industry, environmental protection industry, gas industry, high-temperature sterilization, foaming machinery and the like, but is easy to wear and has a short service life because of the complicated sealing structure of the valve and the requirement of larger control force and installation space, is only suitable for the common traditional industry because of the reasons of complicated maintenance, difficult installation and disassembly and the like, and cannot completely meet the modern chemical industry with quick reaction.
At present, domestic pneumatic control angle seat valve products are widely used, but the general problem that the use pressure is contradictory to the pneumatic control pressure exists, namely, the required medium pressure is higher and higher, the requirement on the pneumatic control pressure is lower and lower, but the current method can only use a cylinder with larger volume to meet the small pneumatic control pressure, but the valve has huge volume, so that the equipment space needs to be increased, the equipment volume is increased, the cost is increased, in addition, the investment and the consumption of the pneumatic control pressure are larger, and the current defect is the benefit of the development of the current automatic equipment.
Disclosure of Invention
In view of the above, the present invention provides a pilot-operated pneumatic control angle seat valve, which has a pneumatic control valve device with high use pressure and low control force.
The utility model discloses the technical scheme who takes as follows: the utility model provides a guide's formula gas accuse angle seat valve, include the window in proper order, window O type circle, the pilot lever, the muffler, the cylinder, lock nut, a piston, the piston ring, piston O type circle, piston gasket, the air inlet, end cover O type circle, the retaining ring is used to the hole, the end cover, the locking bolt, the spring gasket, the sealed pad of valve body, the valve rod, the glan, the case, the sealed pad of guide, the sealed pad of case, the case gasket, self-locking nut, a spring, the second gas accuse chamber, oiliness bearing, first gas accuse chamber, end cover Y type circle, gasket I, sealing spring, gasket II, valve rod assembly clamping ring, valve rod assembly U type circle, valve rod assembly V type circle, valve rod assembly uide bushing and pilot.
The connection and the valve body form a lower execution sealing part, a valve rod, a valve body sealing gasket, a gland, a valve core sealing gasket, a valve core gasket and a self-locking nut are arranged in the lower execution sealing part, and a pilot sealing gasket is arranged in the valve core at the lower part of the valve rod; the cylinder and the end cover are connected by a check ring for holes to form an upper pneumatic control part, and a window, an indicating rod, a spring, a locking nut, a piston ring, a piston gasket, a piston O-shaped ring, an end cover Y-shaped ring and an oil-containing bearing are arranged in the cylinder and the end cover; the pneumatic control part and the execution part are formed by connecting and end covers, and are internally provided with a sealing spring, a valve rod assembly pressing ring, a valve rod assembly U-shaped ring, a valve rod assembly V-shaped ring, a valve rod assembly guide sleeve, a gasket I, a gasket II, a locking bolt and a spring gasket; the air control part is provided with a piston capable of sliding up and down in a cylinder, the piston divides the cylinder into two mutually independent parts, the upper part is a second air control cavity, the lower part is a first air control cavity, an air inlet hole is arranged on the side wall of the first air control cavity, and a silencer is connected to the side wall of the second air control cavity.
Further: the valve body and the connection of the execution part adopt a square flange connection mode, a valve body sealing gasket is arranged inside the execution part, and the outside of the execution part is connected by a locking bolt and a spring gasket;
further: the spring can only be arranged in the second air control cavity;
further: the pilot part is sealed and arranged inside the valve rod and the valve core, the lower part of the valve rod is provided with a pilot sealing gasket, and the valve core is internally provided with a pilot hole.
Further: the valve core part, the valve core and the valve rod adopt a movable connection mode, and the outer part of the valve core part is provided with a Glan connection;
further: the two ends of the valve body, namely the connector form connected with the pipeline, can be in threaded connection, welded connection, flange connection and fast-assembling clamping connection, and can meet the connection requirement of more than 95% of the current industrial occasions.
The utility model discloses, can be under the operating mode occasion that uses higher operating pressure, on the basis that does not increase the cylinder volume, realize the gas accuse valve of less pneumatic control power, and then solve the problem that traditional gas accuse angle seat valve exists.
Drawings
FIG. 1 is a schematic structural view of a pilot-operated pneumatic control angle seat valve of the present invention;
FIG. 2 is a schematic view of the closed state of the pilot-operated pneumatic control angle seat valve of the present invention;
FIG. 3 is a schematic view of the open state of the pilot-operated pneumatic control angle seat valve of the present invention;
in the figure: 1 window, 2 window O-shaped rings, 3 indicating rods, 4 silencers, 5 cylinders, 6 locking nuts, 7 pistons, 8 piston rings, 9 piston O-shaped rings, 10 piston gaskets, 11 air inlets, 12 end cover O-shaped rings, 13 hole check rings, 14 end covers, 15 locking bolts, 16 spring gaskets, 17 valve body sealing gaskets, 18 valve bodies, 19 valve rods, 20 Glan, 21 valve cores, 22 pilot sealing gaskets, 23 valve core sealing gaskets, 24 valve core gaskets, 25 self-locking nuts, 26 springs, 27 second pneumatic control cavities, 28 oil-containing bearings, 29 first pneumatic control cavities, 30 end cover Y-shaped rings, 31 gaskets I, 32 sealing springs, 33 gaskets II, 34 valve rod assembly, 35 compression ring valve rod assembly U-shaped rings, 36 valve rod assembly V-shaped rings, 37 valve rod assembly guide sleeves and 38 pilot holes.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.
As shown in fig. 1-3, a pilot operated pneumatic control angle seat valve comprises a window, a window O-shaped ring, an indicating rod, a silencer, a cylinder, a locking nut, a piston ring, a piston O-shaped ring, a piston gasket, an air inlet, an end cover O-shaped ring, a hole check ring, an end cover, a locking bolt, a spring gasket, a valve body, a valve rod, a flange, a valve core, a pilot sealing gasket, a valve core gasket, a self-locking nut, a spring, a second pneumatic control cavity, an oil-containing bearing, a first pneumatic control cavity, an end cover Y-shaped ring, a gasket I, a sealing spring, a gasket II, a valve rod assembly pressing ring, a valve rod assembly U-shaped ring, a valve rod assembly V, a.
The connection and the valve body form a lower execution sealing part, a valve rod, a valve body sealing gasket, a gland, a valve core sealing gasket, a valve core gasket and a self-locking nut are arranged in the lower execution sealing part, and a pilot sealing gasket is arranged in the valve core at the lower part of the valve rod; the cylinder and the end cover are connected by a check ring for holes to form an upper pneumatic control part, and a window, an indicating rod, a spring, a locking nut, a piston ring, a piston gasket, a piston O-shaped ring, an end cover Y-shaped ring and an oil-containing bearing are arranged in the cylinder and the end cover; the pneumatic control part and the execution part are formed by connecting and end covers, and are internally provided with a sealing spring, a valve rod assembly pressing ring, a valve rod assembly U-shaped ring, a valve rod assembly V-shaped ring, a valve rod assembly guide sleeve, a gasket I, a gasket II, a locking bolt and a spring gasket; the air control part is provided with a piston capable of sliding up and down in a cylinder, the piston divides the cylinder into two mutually independent parts, the upper part is a second air control cavity, the lower part is a first air control cavity, an air inlet hole is arranged on the side wall of the first air control cavity, and a silencer is connected to the side wall of the second air control cavity.
The valve body and the connection of the execution part adopt a square flange connection mode, a valve body sealing gasket of flexible graphite is arranged inside, and the outside is connected by a locking bolt and a spring gasket, so that the structure can provide higher clamping force, and the problem of looseness under working conditions such as vibration, temperature difference change and the like can be effectively solved; the pilot part is sealed and arranged inside the valve rod and the valve core, the lower part of the valve rod is provided with a pilot sealing gasket, and the valve core is internally provided with a pilot hole, so that the pressure of an upflow medium can be discharged in advance when the valve is opened, and smaller control is realized; the valve core part, the valve core and the valve rod are movably connected, and the structure can provide the self-centering capability of the valve core and improve the sealing performance; the two ends of the valve body, namely the connector form connected with the pipeline, can be in threaded connection, welded connection, flange connection and fast-assembling clamping connection, and the connection can be selected according to actual needs without limitation.
In this embodiment, as shown in fig. 1, 2, and 3, a spring is disposed in a first pneumatic control chamber, a medium enters from the upper end of a valve core, the valve core is pressed tightly on a valve body by a spring force at this time, so the medium is blocked at an inlet end, if the medium needs to flow into an outlet end, compressed air needs to be introduced from an air inlet at a cylinder at this time, the gas pushes a piston to move upwards against the spring force, and gas in a second pneumatic control chamber is discharged from a silencer, and then the piston links with a valve rod to move upwards, at this time, a seal at a pilot position is opened, the valve rod moves upwards and leaves a pilot sealing gasket, at this time, the medium at the inlet end quickly passes through a pilot hole, part of the medium flows into the outlet end at first, the medium pressure is quickly relieved, at this time, the valve rod can pull the valve core to leave the sealing surface of the valve body by, completing the opening action of the valve; and (3) removing compressed air introduced from the air inlet, at the moment, the piston is forced to move downwards due to the elastic force of the spring at the upper part, the air in the first air control cavity is exhausted by the air inlet, the piston is further driven to the pilot sealing surface by the linkage valve rod and is simultaneously driven to the sealing surface of the valve body together with the valve core, the valve is closed, the medium is blocked at the inlet end again, namely, the medium moves to the state shown in the figure 2 from the figure 3, the closing action of the valve is completed, and the two groups of actions are the opening and closing action.
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.
Claims (6)
1. The utility model provides a guide's formula gas accuse angle seat valve, include the window in proper order, window O type circle, the pilot lever, the muffler, the cylinder, lock nut, a piston, the piston ring, piston O type circle, piston gasket, the air inlet, end cover O type circle, the retaining ring is used in the hole, the end cover, locking bolt, the spring gasket, the sealed pad of valve body, the valve rod, the glan, the case, the sealed pad of guide's guide, the sealed pad of case, the case gasket, self-locking nut, a spring, the second gas accuse chamber, the oily bearing, first gas accuse chamber, end cover Y type circle, gasket I, sealing spring, gasket II, valve rod assembly clamping ring, valve rod assembly U type circle, valve rod assembly V type circle, the valve rod assembly uide bushing, the:
the connection and the valve body form a lower execution sealing part, a valve rod, a valve body sealing gasket, a gland, a valve core sealing gasket, a valve core gasket and a self-locking nut are arranged in the lower execution sealing part, and a pilot sealing gasket is arranged in an inner hole of the valve core;
the air cylinder and the end cover form an upper pneumatic control part, and a window, an indicating rod, a spring, a locking nut, a piston ring, a piston gasket, a piston O-shaped ring, an end cover Y-shaped ring, a hole check ring and an oil-containing bearing are arranged in the upper pneumatic control part;
the pneumatic control part and the execution part are formed by connecting and end covers, and are internally provided with a sealing spring, a valve rod assembly pressing ring, a valve rod assembly U-shaped ring, a valve rod assembly V-shaped ring, a valve rod assembly guide sleeve, a gasket I, a gasket II, a locking bolt and a spring gasket;
the air control part is provided with a piston capable of sliding up and down in a cylinder, the piston divides the cylinder into an upper part and a lower part which are mutually independent, the upper part is a second air control cavity, the lower part is a first air control cavity, an air inlet hole is arranged on the side wall of the first air control cavity, and a silencer is connected to the side wall of the second air control cavity.
2. The pilot-operated pneumatic control angle seat valve of claim 1, wherein: the valve body and the connection of the execution part adopt a square flange mode, a valve body sealing gasket is arranged inside the execution part, and the execution part is connected with the outside of the execution part through a locking bolt and a spring gasket.
3. The pilot-operated pneumatic control angle seat valve of claim 1, wherein: the spring can only be arranged in the second air control cavity.
4. The pilot-operated pneumatic control angle seat valve of claim 1, wherein: the pilot sealing gasket part is arranged in the valve core, the upper part of the pilot sealing gasket part is connected with the valve rod, and a pilot hole is arranged on the side surface of the valve core.
5. The pilot-operated pneumatic control angle seat valve of claim 1, wherein: the valve core part, the valve core and the valve rod are movably connected, and the outer part of the valve core part is provided with a Glan.
6. The pilot-operated pneumatic control angle seat valve of claim 1, wherein: the two ends of the valve body can be connected by screw thread, welding, flange and fast-assembling clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020558953.0U CN212273238U (en) | 2020-04-16 | 2020-04-16 | Pilot-operated type pneumatic control angle seat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020558953.0U CN212273238U (en) | 2020-04-16 | 2020-04-16 | Pilot-operated type pneumatic control angle seat valve |
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| Publication Number | Publication Date |
|---|---|
| CN212273238U true CN212273238U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020558953.0U Active CN212273238U (en) | 2020-04-16 | 2020-04-16 | Pilot-operated type pneumatic control angle seat valve |
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| CN (1) | CN212273238U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797175A (en) * | 2021-02-04 | 2021-05-14 | 江阴德尔热能机械有限公司 | Low flow resistance cut-off valve for combustible non-standard gas burner |
-
2020
- 2020-04-16 CN CN202020558953.0U patent/CN212273238U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797175A (en) * | 2021-02-04 | 2021-05-14 | 江阴德尔热能机械有限公司 | Low flow resistance cut-off valve for combustible non-standard gas burner |
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