CN211449653U - Pneumatic shutoff valve control device - Google Patents

Abstract

The utility model discloses a pneumatic valve controlling means that cuts off, which comprises a valve body, the opening that admits air has been seted up on the right side of valve body, the air outlet duct has been seted up in the left side of valve body, the top of valve body is equipped with the cylinder, the top intercommunication of cylinder has last air inlet duct, the top intercommunication of last air inlet duct has last air inlet pipe, the bottom intercommunication on cylinder right side has lower intake duct, the right side intercommunication of lower intake duct has lower intake pipe, the surface of last air inlet pipe and lower intake pipe all communicates there is the solenoid valve. The utility model discloses a valve body, drive post, cylinder, last air inlet duct, solenoid valve, actuating lever, stop mouth, sealed awl, first relief valve, second relief valve and sealed movable plate can make the device reach the function of convenient to operate and use, have solved the pneumatic trip valve controlling means on the existing market and have not possessed the function of convenient to operate and use, and the structure is comparatively complicated, and manufacturing cost is higher, and the installation difficulty is great, is unfavorable for the problem that the user used.

Description

Pneumatic shutoff valve control device

Technical Field

The utility model relates to a pneumatic trip valve technical field specifically is pneumatic trip valve controlling means.

Background

Pneumatic trip valve: the pneumatic cut-off valve is also called as a pneumatic cut-off valve, is one of actuating mechanisms in an automatic system, consists of a multi-spring pneumatic film actuating mechanism or a floating type pneumatic cut-off valve piston actuating mechanism and an adjusting valve, receives signals of an adjusting instrument, controls the cutting, the connection or the switching of fluid in a process pipeline, has the characteristics of simple structure, sensitive response, reliable action and the like, can be widely applied to industrial production departments such as petroleum, chemical engineering, metallurgy and the like, the air source of the pneumatic cut-off valve requires filtered compressed air, and the medium flowing through the valve body is liquid and gas without impurities and particles.

Pneumatic trip valve possess the function of cutting off fast, and it is very wide to use in the chemical industry field, and pneumatic trip valve controlling means on the existing market does not possess the function of being convenient for operation and use, and the structure is comparatively complicated, and manufacturing cost is higher, and the installation difficulty is great, is unfavorable for user's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic shutoff valve controlling means possesses the advantage of convenient to operate and use, has solved the problem that pneumatic shutoff valve controlling means does not possess the operation service function of being convenient for on the current market.

In order to achieve the above object, the utility model provides a following technical scheme: the pneumatic cut-off valve control device comprises a valve body, wherein an air inlet port is formed in the right side of the valve body, an air outlet channel is formed in the left side of the valve body, a cylinder is arranged at the top of the valve body, an upper air inlet channel is communicated with the top of the cylinder, an upper air inlet channel is communicated with the top of the upper air inlet channel, a lower air inlet channel is communicated with the bottom of the right side of the cylinder, a lower air inlet channel is communicated with the right side of the lower air inlet channel, electromagnetic valves are communicated with the surfaces of the upper air inlet channel and the lower air inlet channel, a first pressure release valve and a second pressure release valve are fixedly connected to the left side of an inner cavity of the cylinder from bottom to top in sequence, a sealing movable plate is arranged in the inner cavity of the cylinder, a sealing piston is fixedly connected to the outer side of the sealing, and a stop opening matched with the sealing cone for use is formed in the inner cavity of the valve body.

Preferably, both sides of the valve body are fixedly connected with connecting flanges, and mounting holes are formed in the surfaces of the connecting flanges.

Preferably, the top fixedly connected with drive post cooperation of valve body inner chamber is used first sealing ring, the bottom fixedly connected with of cylinder inner chamber and the cooperation of actuating lever are used second sealing ring.

Preferably, both sides of the bottom of the cylinder are fixedly connected with fixing rods, and the bottoms of the fixing rods are fixedly connected with the joint of the valve body.

Preferably, go up the intake pipe and all communicate with air compressor with one side that the cylinder was kept away from to lower intake pipe, first relief valve, second relief valve and two solenoid valves all pass through the long-range electric connection of controller.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a valve body, drive post, dead lever, cylinder, last air inlet duct, solenoid valve, actuating lever, stop mouth, sealed awl, first relief valve, second relief valve and sealed movable plate can make the device reach the function of being convenient for operate and use, have solved the pneumatic trip valve controlling means on the existing market and have not possessed the function of being convenient for operate and use, and the structure is comparatively complicated, and manufacturing cost is higher, and the installation difficulty is great, is unfavorable for the problem that the user used.

2. Through the use of the connecting flange, the valve body and the peripheral pipeline can be more conveniently connected and fixed, and the installation operation of a user is facilitated;

by using the sealing ring, the phenomenon of leakage of the equipment in use can be effectively avoided, and the sealing performance of the equipment in connection use is improved;

by using the fixing rod, the phenomenon that the use of the air cylinder is influenced by shaking during use can be effectively avoided, and the stability of the air cylinder during use is improved;

through the remote control of the controller, the use and operation of the equipment can be more intelligent, and the operation and the use of a user are facilitated.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the connecting flange of the present invention;

fig. 3 is a cross-sectional view of the cylinder of the present invention.

In the figure: 1. a valve body; 2. an air outlet channel; 3. a drive column; 4. a first seal ring; 5. fixing the rod; 6. a cylinder; 7. an upper air inlet duct; 8. an electromagnetic valve; 9. an upper intake pipe; 10. a lower air inlet pipe; 11. a lower air inlet channel; 12. a drive rod; 13. a connecting flange; 14. an air inlet port; 15. a cut-off port; 16. sealing the cone; 17. mounting holes; 18. a second seal ring; 19. a first pressure relief valve; 20. a sealing piston; 21. a second pressure relief valve; 22. and sealing the moving plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a valve body 1, gas outlet channel 2, drive column 3, first sealing ring 4, dead lever 5, cylinder 6, go up air flue 7, solenoid valve 8, go up air pipe 9, intake pipe 10 down, lower intake duct 11, actuating lever 12, flange 13, the opening 14 that admits air, stop opening 15, sealed awl 16, mounting hole 17, second sealing ring 18, first relief valve 19, sealing piston 20, second relief valve 21 and sealed movable plate 22 part are the parts that general standard or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental approach for this technical staff.

Referring to fig. 1-3, the pneumatic shutoff valve control device comprises a valve body 1, wherein both sides of the valve body 1 are fixedly connected with connecting flanges 13, the surface of the connecting flange 13 is provided with mounting holes 17, the connecting flange 13 is used to facilitate the connection and fixation between the valve body 1 and an external pipeline, and facilitate the installation operation of a user, the right side of the valve body 1 is provided with an air inlet port 14, the left side of the valve body 1 is provided with an air outlet channel 2, the top of the valve body 1 is provided with an air cylinder 6, both sides of the bottom of the air cylinder 6 are fixedly connected with fixing rods 5, the bottom of the fixing rods 5 is fixedly connected with the connecting part of the valve body 1, through the use of the fixing rods 5, the phenomenon that the air cylinder 6 shakes to affect the use during the use can be effectively avoided, the stability of the air cylinder 6 during the use is improved, the top of the, the bottom of the right side of the cylinder 6 is communicated with a lower air inlet channel 11, the right side of the lower air inlet channel 11 is communicated with a lower air inlet pipe 10, the surfaces of an upper air inlet pipe 9 and the lower air inlet pipe 10 are communicated with an electromagnetic valve 8, the left side of the inner cavity of the cylinder 6 is fixedly connected with a first pressure relief valve 19 and a second pressure relief valve 21 from bottom to top in sequence, the inner cavity of the cylinder 6 is provided with a sealing moving plate 22, the outer side of the sealing moving plate 22 is fixedly connected with a sealing piston 20, the bottom of the sealing moving plate 22 is fixedly connected with a driving rod 12, the bottom of the driving rod 12 penetrates through the cylinder 6 and is fixedly connected with a driving column 3, the top of the inner cavity of the valve body 1 is fixedly connected with a first sealing ring 4 matched with the driving column 3, the bottom of the inner cavity of the cylinder 6 is fixedly connected with, the sealed awl 16 of bottom fixedly connected with of drive column 3, the cut-off 15 that uses with sealed awl 16 cooperation is seted up to the inner chamber of valve body 1, the one side that cylinder 6 was kept away from to last intake pipe 9 and lower intake pipe 10 all communicates there is air compressor, first relief valve 19, second relief valve 21 and two solenoid valves 8 are all through the long-range electric connection of controller, remote control through the controller, can make the use operation of equipment more intelligent, convenient to use person's operation is used.

When the valve body 1 needs to be closed, the electromagnetic valve 8 on the surface of the upper air inlet pipe 9 is started, the first pressure release valve 19 is arranged to enable the bottom of the inner cavity of the air cylinder 6 to be in a normal pressure state, compressed air externally connected with the upper air inlet pipe 9 enters the top of the inner cavity of the air cylinder 6 to push the sealing moving plate 22 to move, the driving rod 12 is driven to move by the movement of the sealing moving plate 22, the driving column 3 is driven to move by the movement of the driving rod 12, the sealing cone 16 is driven to move by the movement of the driving column 3 to be engaged with the stop opening 15 to complete closing, when the valve body 1 needs to be opened, the electromagnetic valve 8 on the surface of the lower air inlet pipe 10 is started by a user, the second pressure release valve 21 is arranged to enable the top of the inner cavity of the air cylinder 6 to be in a normal pressure state, compressed air externally connected with the lower, the driving rod 12 is driven to ascend through the movement of the sealing moving plate 22, so that the driving column 3 is driven to move, the sealing cone 16 is driven to move through the movement of the driving column 3, the sealing of the cut-off opening 15 is removed, and the opening is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. Pneumatic shutoff valve control device, including valve body (1), its characterized in that: an air inlet opening (14) is formed in the right side of the valve body (1), an air outlet channel (2) is formed in the left side of the valve body (1), a cylinder (6) is arranged at the top of the valve body (1), an upper air inlet channel (7) is communicated with the top of the cylinder (6), an upper air inlet pipe (9) is communicated with the top of the upper air inlet channel (7), a lower air inlet channel (11) is communicated with the bottom of the right side of the cylinder (6), a lower air inlet pipe (10) is communicated with the right side of the lower air inlet channel (11), electromagnetic valves (8) are communicated with the surfaces of the upper air inlet pipe (9) and the lower air inlet pipe (10), a first pressure release valve (19) and a second pressure release valve (21) are sequentially and fixedly connected to the left side of an inner cavity of the cylinder (6) from bottom to top, a sealing moving plate (22) is arranged in, the bottom fixedly connected with actuating lever (12) of sealed movable plate (22), cylinder (6) and fixedly connected with drive post (3) are run through to the bottom of actuating lever (12), the sealed awl (16) of bottom fixedly connected with of drive post (3), stop mouth (15) are seted up with sealed awl (16) cooperation use to the inner chamber of valve body (1).

2. The pneumatic shutoff valve control apparatus according to claim 1, characterized in that: the valve is characterized in that connecting flanges (13) are fixedly connected to the two sides of the valve body (1), and mounting holes (17) are formed in the surfaces of the connecting flanges (13).

3. The pneumatic shutoff valve control apparatus according to claim 1, characterized in that: the top fixedly connected with drive column (3) cooperation of valve body (1) inner chamber is used first sealing ring (4), the bottom fixedly connected with of cylinder (6) inner chamber cooperates second sealing ring (18) of using with actuating lever (12).

4. The pneumatic shutoff valve control apparatus according to claim 1, characterized in that: the two sides of the bottom of the air cylinder (6) are fixedly connected with fixing rods (5), and the bottom of each fixing rod (5) is fixedly connected with the joint of the valve body (1).

5. The pneumatic shutoff valve control apparatus according to claim 1, characterized in that: go up air inlet pipe (9) and one side that cylinder (6) were kept away from in air inlet pipe (10) down all communicates with air compressor, first relief valve (19), second relief valve (21) and two solenoid valve (8) all are through the long-range electric connection of controller.

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