CN210106647U - Pneumatic integral ball valve - Google Patents
Pneumatic integral ball valve Download PDFInfo
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- CN210106647U CN210106647U CN201920373998.8U CN201920373998U CN210106647U CN 210106647 U CN210106647 U CN 210106647U CN 201920373998 U CN201920373998 U CN 201920373998U CN 210106647 U CN210106647 U CN 210106647U
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- valve
- pneumatic
- valve body
- actuating mechanism
- end cover
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Abstract
The utility model provides a pneumatic integral type ball valve, which comprises a valve body, the valve rod, the disk seat, case and filtration relief pressure valve, solenoid valve and pneumatic actuator, the valve body center is equipped with the case, the equal nested card in case both sides is equipped with the disk seat, valve body one side is equipped with the installation interface of end cover, the disk seat location of end cover with the homonymy, valve rod and valve body up end mouth cooperation department are equipped with the stuffing box valve rod upper end and are connected with the connecting axle, be connected with solenoid valve and pneumatic actuator with the connecting axle, the solenoid valve is controlled the valve by well accuse room for the signal and is opened or close, the external fit is connected with the filtration relief pressure valve, the. This pneumatic integral type ball valve is on getting rid of the basis of original hand wheel control valve rod rotating control ball valve switching, and the repacking has pneumatic actuating mechanism to realize the automatic control switching to simple structure, maintenance work load are little, and equipment cost expense is low, is provided with the installation interface and cooperates the installation end cover, makes the case installation succinct, improves maintenance speed, reduces the cost of overhaul.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to indicate a pneumatic integral type ball valve.
Background
Various valve instruments are frequently used in the fields of modern chemical industry, chemistry, aerospace and traffic industry, and the ball valve is one of the most popular valves due to the advantages of simple structure, good sealing performance, light weight and the like. The existing ball valve usually adopts box-shaped filler seats which are involutory up and down, so that the sealing performance cannot be guaranteed, and the existing ball valve in the market often causes leakage due to poor sealing or adopts an external sealing mode to seal the ball valve, so that the effective improvement of the product performance is not facilitated; and the existing ball valve rarely has the pneumatic automatic control function, only manually rotates a hand wheel to realize opening and closing, is extremely poor in convenience, wastes time and labor, and cannot meet the requirement of comprehensive coverage of the current automatic control technology.
Disclosure of Invention
The utility model relates to a purpose is: in view of the problem that the existing ball valve does not realize automatic control, the pneumatic integrated ball valve is provided, and on the basis of removing the original hand wheel control valve rod to rotate to control the opening and closing of the ball valve, a pneumatic actuating mechanism is modified to realize automatic control opening and closing, and the pneumatic integrated ball valve is simple in structure, small in maintenance workload and low in equipment cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pneumatic integrated ball valve comprises a valve body, a valve rod, a valve seat, a valve core, an air filtering and reducing valve, an electromagnetic valve and a pneumatic actuating mechanism,
the valve comprises a valve body, a valve rod, a valve core, a valve seat, an installation interface, an end cover, a valve rod, a packing box and a valve body, wherein flanges are arranged on two sides of the valve body, the center of the valve body is provided with the valve core, valve seats are embedded and clamped on two sides of the valve core, the installation interface of the end cover is arranged on one side of the valve body, the valve seat on the same side is positioned by the end cover and is matched and screwed with an internal thread structure arranged in the installation interface through an external thread structure arranged on the periphery of the end cover, the valve rod,
the upper end of the valve rod is connected with a connecting shaft, the upper end of the valve rod is connected with an electromagnetic valve and the pneumatic actuating mechanism, the electromagnetic valve controls the opening or closing of the valve by giving a signal to a central control room, the outside of the electromagnetic valve is connected with an air filtering pressure reducing valve in a matched mode, and the bottom of the pneumatic actuating mechanism is provided with a support.
Furthermore, the bottom of the support is matched and locked with the periphery of the stuffing box through screws, and then the pneumatic actuating mechanism is fixed.
Furthermore, the pneumatic actuating mechanism converts air pressure input from the air compressor into thrust to the push rod by virtue of an elastic membrane arranged on the pneumatic actuating mechanism, and the valve core generates corresponding displacement through the push rod, so that the opening degree of the valve is changed, and automatic control adjustment is realized.
Furthermore, a sealing ring is arranged on the contact surface of the mounting interface and the valve body.
Implement the utility model discloses a pneumatic integral type ball valve has following beneficial effect:
1. the pneumatic integrated ball valve is modified with a pneumatic actuating mechanism to realize automatic opening and closing on the basis of removing the original hand wheel control valve rod to control the opening and closing of the ball valve by rotating, and has the advantages of simple structure, small maintenance workload and low equipment cost;
2. the designed air filtering pressure reducing valve sets outlet pressure by adjusting the pressure of an internal spring, the outlet pressure is sensed by a diaphragm, and a piston is driven to adjust the flow area of a throttling part of a main valve by opening and closing a pilot valve, so that the pressure reducing and stabilizing functions are realized;
3. the valve core is provided with the installation interface and is matched with the installation end cover, so that the valve core is installed simply, the maintenance speed is improved, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of a pneumatic integrated ball valve according to the present embodiment;
the valve comprises a valve body 1, a valve seat 2, a valve core 3, a valve rod 4, a packing box 5, a support 6, a connecting shaft 7, a pneumatic actuator 8, an electromagnetic valve 9, a sealing ring 10, an end cover 11, an air filtering pressure reducing valve 12 and an installation interface 13.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in figure 1, the pneumatic integrated ball valve provided by the utility model comprises a valve body 1, a valve rod 4, a valve seat 2, a valve core 3, an air filtering pressure reducing valve 12, a solenoid valve and a pneumatic actuator 8,
the improved valve is characterized in that flanges are arranged on two sides of the valve body 1, a valve core 3 is arranged in the center of the valve body, valve seats 2 are arranged on two sides of the valve core 3 in a nested and clamped mode, an installation interface 13 of an end cover 11 is arranged on one side of the valve body 1, the end cover 11 positions the valve seats 2 on the same side and is matched and screwed with an internal thread structure arranged in the installation interface 13 through an external thread structure arranged on the periphery of the end cover 11, the valve rod 4 is fixedly connected with the valve core 3 and is matched with an upper end opening of the valve body arranged in the middle of the valve body 1, and a packing box 5 is.
The upper end of the valve rod 4 is connected with a connecting shaft 7, the connecting shaft 7 is connected with an electromagnetic valve 9 and a pneumatic actuating mechanism 8, the electromagnetic valve 9 is controlled by a central control room to control the opening or closing of a valve through a signal, an air filtering and pressure reducing valve 12 is connected to the outside in a matched mode, a support 6 is arranged at the bottom of the pneumatic actuating mechanism 8, and the bottom of the support 6 is matched and locked with the periphery of the packing box 5 through screws so as to fix the pneumatic actuating mechanism 8.
In a further embodiment, the pneumatic actuator 8 converts the air pressure input from the air compressor into the thrust force to the push rod by means of an elastic membrane arranged on the pneumatic actuator, and the valve core 3 generates corresponding displacement through the push rod, so that the opening degree of the ball valve is changed, and automatic control adjustment is realized.
In a further embodiment, a sealing ring 10 is arranged at the contact surface of the mounting interface 13 and the valve body 1.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes, modifications, substitutions and alterations can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. The utility model provides a pneumatic integral type ball valve, includes valve body, valve rod, disk seat, case and filtration relief pressure valve, solenoid valve and pneumatic actuating mechanism, its characterized in that:
the valve comprises a valve body, a valve rod, a valve core, a valve seat, an installation interface, an end cover, a valve rod, a packing box and a valve body, wherein flanges are arranged on two sides of the valve body, the center of the valve body is provided with the valve core, valve seats are embedded and clamped on two sides of the valve core, the installation interface of the end cover is arranged on one side of the valve body, the valve seat on the same side is positioned by the end cover and is matched and screwed with an internal thread structure arranged in the installation interface through an external thread structure arranged on the periphery of the end cover, the valve rod,
the upper end of the valve rod is connected with a connecting shaft, the upper end of the valve rod is connected with an electromagnetic valve and the pneumatic actuating mechanism, the electromagnetic valve controls the opening or closing of the valve by giving a signal to a central control room, the outside of the electromagnetic valve is connected with an air filtering pressure reducing valve in a matched mode, and the bottom of the pneumatic actuating mechanism is provided with a support.
2. A pneumatic unitary ball valve according to claim 1, wherein: the bottom of the support is matched and locked with the periphery of the stuffing box through screws, and then the pneumatic actuating mechanism is fixed.
3. A pneumatic unitary ball valve according to claim 1, wherein: the pneumatic actuating mechanism converts air pressure input from an air compressor into thrust to the push rod by virtue of the elastic membrane arranged on the pneumatic actuating mechanism, and the valve core generates corresponding displacement through the push rod, so that the opening degree of the valve is changed, and automatic control adjustment is realized.
4. A pneumatic unitary ball valve according to claim 1, wherein: and a sealing ring is arranged at the contact surface of the mounting interface and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373998.8U CN210106647U (en) | 2019-03-23 | 2019-03-23 | Pneumatic integral ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920373998.8U CN210106647U (en) | 2019-03-23 | 2019-03-23 | Pneumatic integral ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106647U true CN210106647U (en) | 2020-02-21 |
Family
ID=69532934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920373998.8U Active CN210106647U (en) | 2019-03-23 | 2019-03-23 | Pneumatic integral ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106647U (en) |
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2019
- 2019-03-23 CN CN201920373998.8U patent/CN210106647U/en active Active
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