CN215980830U - Coaxial pneumatic control filling valve - Google Patents

Abstract

The utility model relates to a pneumatic control filling valve which sequentially comprises an inlet end cover (1), a clamp (2), a clamp sealing ring (3), a spring (4), a cylinder (5), a piston (6), a piston ring (7), a piston O-shaped ring (8), a support ring (9), a locking nut (10), an end cover O-shaped ring (11), an outlet end cover (12), a threaded sleeve (13), a threaded sleeve O-shaped ring (14), a filling pipe (15), a valve rod (16), a valve core sealing gasket (17), a feeding hole (18), a first air inlet (19), a first pneumatic control cavity (20), a second air inlet (21), a second pneumatic control cavity (22) and a filling opening (23).

Description

Coaxial pneumatic control filling valve

Technical Field

The utility model relates to the field of valves, in particular to a coaxial pneumatic control filling valve.

Background

At present in the pharmaceutical packaging machinery field, liquid filling equipment develops rapidly, in the large-output subpackage operation, this type of filling device is import basically, and the special type requirement of this type of filling valve is high, and is bulky, not nimble enough, in addition, the structure is complicated, the maintenance cost is high, be unfavorable for popularizing, can not really satisfy the demand of modernization rapid development, and from the present industrialization visual angle of china, the localization urgently waits to solve, must have a section of filling device can solve the compact problem, still possess excellent performance, long service life, the characteristics of the compact calandria filling of different sizes that can be nimble be suitable for.

Disclosure of Invention

In view of the above problems, the present invention aims to provide a pneumatic control filling valve which is suitable for the liquid filling occasions requiring compact calandria and has the advantages of large flow, small flow resistance, rapid opening and closing, reliable sealing, long service life and accurate filling.

The technical scheme adopted by the utility model is as follows:

a coaxial pneumatic control filling valve sequentially comprises an inlet end cover (1), a clamp (2), a clamp sealing ring (3), a spring (4), a cylinder (5), a piston (6), a piston ring (7), a piston O-shaped ring (8), a support ring (9), a locking nut (10), an end cover O-shaped ring (11), an outlet end cover (12), a threaded sleeve (13), a threaded sleeve O-shaped ring (14), a filling pipe (15), a valve rod (16), a valve core sealing gasket (17), a feeding port (18), a first air inlet (19), a first pneumatic control cavity (20), a second air inlet (21), a second pneumatic control cavity (22) and a filling port (23);

the upper control part consists of the inlet end cover (1), the cylinder (5) and the outlet end cover (12), and a spring (4), a piston (6), a piston ring (7), a piston O-shaped ring (8), a support ring (9) and an end cover O-shaped ring (11) are arranged in the upper control part; the inlet end cover (1) is connected with the air cylinder (5) through a hoop (2), a hoop sealing ring (3) is arranged in the middle, the outlet end cover (12) is connected with the air cylinder (5) through the hoop (2), and the hoop sealing ring (3) is arranged in the middle; the outlet end cover (12) and the filling pipe (15) form a lower execution part, and a valve rod (16), a valve core sealing gasket (17) and a locking nut (10) are arranged in the lower execution part;

further: the valve core sealing gasket (17) is connected with the valve rod (16), the upper part of the valve rod (16) is connected with the piston (6), and the lower part of the valve rod (16) is connected with the valve core sealing gasket (17);

further: the first pneumatic control cavity (20) or the second pneumatic control cavity (22) can be internally provided with a spring (4);

further: the outer part of the outlet end cover (12) and the filling pipe (15) is provided with a threaded sleeve (13), and the inner part of the part is provided with a threaded sleeve O-shaped ring (14);

further: the valve body feed inlet (18), the interface form that links to each other with the pipeline promptly can have threaded connection or fast-assembling joint connection, can satisfy the connection demand under the present more than 95% filling trade occasion.

The utility model adopts a coaxial mode, namely the cylinder is combined with the pipeline, only one movable part piston is arranged in the cylinder, and the structure that the traditional cylinder is an independent part is abandoned, so that the utility model has the advantages of compact volume and reliable sealing, and can realize high efficiency and high speed of automatic filling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary of the utility model, and that other embodiments can be derived from the drawings provided by those skilled in the art without inventive effort.

FIG. 1 is a schematic structural diagram of a coaxial pneumatic filling valve according to the present invention;

FIG. 2 is a schematic view of a closed state of a coaxial pneumatic filling valve according to the present invention;

FIG. 3 is a schematic view of the open state of a coaxial pneumatic filling valve according to the present invention;

in the figure: the filling device comprises an inlet end cover 1, a hoop 2, a hoop sealing ring 3, a spring 4, a cylinder 5, a piston 6, a piston 7, a piston O-shaped ring 8, a support ring 9, a locking nut 10, an end cover O-shaped ring 11, an outlet end cover 12, a swivel nut 13, a swivel nut O-shaped ring 14, a filling pipe 15, a valve rod 16, a valve core sealing gasket 17, a feeding hole 18, a first air inlet 19, a first air control cavity 20, a second air inlet 21, a second air control cavity 22 and a filling opening 23.

Detailed Description

The shape and configuration of the present invention will be described in detail with reference to the accompanying drawings and reference numerals.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

As shown in fig. 1-3, a coaxial pneumatic control filling valve sequentially comprises an inlet end cover (1), a clamp (2), a clamp sealing ring (3), a spring (4), a cylinder (5), a piston (6), a piston ring (7), a piston O-ring (8), a support ring (9), a locking nut (10), an end cover O-ring (11), an outlet end cover (12), a screw sleeve (13), a screw sleeve O-ring (14), a filling pipe (15), a valve rod (16), a valve core sealing gasket (17), a feeding hole (18), a first air inlet (19), a first pneumatic control cavity (20), a second air inlet (21), a second pneumatic control cavity (22) and a filling opening (23);

the upper control part consists of the inlet end cover (1), the cylinder (5) and the outlet end cover (12), and a spring (4), a piston (6), a piston ring (7), a piston O-shaped ring (8), a support ring (9) and an end cover O-shaped ring (11) are arranged in the upper control part; the inlet end cover (1) is connected with the air cylinder (5) through a hoop (2), a hoop sealing ring (3) is arranged in the middle, the outlet end cover (12) is connected with the air cylinder (5) through the hoop (2), and the hoop sealing ring (3) is arranged in the middle; the outlet end cover (12) and the filling pipe (15) form a lower execution part, and a valve rod (16), a valve core sealing gasket (17) and a locking nut (10) are arranged in the lower execution part;

further: the valve core sealing gasket (17) is connected with the valve rod (16), the upper part of the valve rod (16) is connected with the piston (6), and the lower part of the valve rod (16) is connected with the valve core sealing gasket (17);

the first pneumatic control cavity (20) or the second pneumatic control cavity (22) can be internally provided with a spring (4); the outer part of the outlet end cover (12) and the filling pipe (15) is provided with a threaded sleeve (13), and the inner part of the part is provided with a threaded sleeve O-shaped ring (14); the valve body feeding hole (18), namely, the connector form connected with the pipeline, can be in threaded connection or quick-assembly clamping connection, can meet the connection requirement of more than 95% of the occasions of the filling industry at present, can be selected according to the actual requirement, and is not limited here.

In this embodiment, as shown in fig. 2 and 3, a spring (4) is arranged in a first air control cavity (20), compressed air is introduced from a second air inlet (21), the air pushes a piston (6) to move upwards against the spring force, the first air inlet (19) discharges the air in the first air control cavity (20), the piston (6) is linked with a valve rod (16) to pull a valve core sealing gasket (17) to leave a sealing surface of a filling pipe (15), the valve is opened, a medium moves from fig. 2 to the state shown in fig. 3, enters from a feed port (18), and is filled into a filling container through the piston (6) and a filling port (23) of the filling pipe (15), and the opening and filling actions of the valve are completed; the introduced compressed air is removed from the second air inlet (21), the piston (6) is forced to move downwards due to the elastic force of the spring on the upper part, the gas in the second pneumatic control cavity (22) is discharged through the second air inlet (21), the piston (6) is linked with the valve rod (16) to push the valve core sealing gasket (17) to move to the sealing surface of the filling pipe (15), the valve is closed, the medium is blocked in the valve, namely the medium moves from the state shown in the figure 3 to the state shown in the figure 2, the closing action of the valve is completed, and the opening and closing action of the valve is obtained by the two groups of actions.

In the actual use process, the spring is a very important reaction part, and particularly when a plurality of filling valves are used together for filling, the spring force value of the spring is related to the accuracy, reliability and timeliness of the whole valve, so that the requirements on the stability and the service life of the spring force value are very high, but because the manufacturing process of the spring inevitably has inevitable deviation and restriction, a more reliable execution mode is usually selected in the actual use, and the spring is installed and compressed air is used for performing simultaneously, so that the more reliable opening and closing actions of the valve are realized.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (5)

1. The utility model provides a coaxial-type gas accuse filling valve, include end cover (1) in proper order, clamp (2), clamp sealing washer (3), spring (4), cylinder (5), piston (6), piston ring (7), piston O type circle (8), support ring (9), lock nut (10), end cover O type circle (11), go out end cover (12), swivel nut (13), swivel nut O type circle (14), filling tube (15), valve rod (16), the sealed pad of case (17), feed inlet (18), first air inlet (19), first air accuse chamber (20), second air inlet (21), second air accuse chamber (22), filling mouth (23), its characterized in that:

the upper control part consists of the inlet end cover (1), the cylinder (5) and the outlet end cover (12), and a spring (4), a piston (6), a piston ring (7), a piston O-shaped ring (8), a support ring (9) and an end cover O-shaped ring (11) are arranged in the upper control part; the inlet end cover (1) is connected with the air cylinder (5) through a hoop (2), a hoop sealing ring (3) is arranged in the middle, the outlet end cover (12) is connected with the air cylinder (5) through the hoop (2), and the hoop sealing ring (3) is arranged in the middle;

the lower execution part is composed of the outlet end cover (12) and the filling pipe (15), and a valve rod (16), a valve core sealing gasket (17) and a locking nut (10) are arranged in the lower execution part.

2. The coaxial pneumatic control filling valve according to claim 1, which is characterized in that: the valve core sealing gasket (17) is connected with the valve rod (16), the upper part of the valve rod (16) is connected with the piston (6), and the lower part of the valve rod (16) is connected with the valve core sealing gasket (17).

3. The coaxial pneumatic control filling valve according to claim 1, which is characterized in that: the first pneumatic control cavity (20) or the second pneumatic control cavity (22) can be internally provided with a spring (4).

4. The coaxial pneumatic control filling valve according to claim 1, which is characterized in that: the outer part of the outlet end cover (12) and the filling pipe (15) is provided with a threaded sleeve (13), and the inner part of the outlet end cover is provided with a threaded sleeve O-shaped ring (14).

5. The coaxial pneumatic control filling valve according to claim 1, which is characterized in that: the feed opening (18), i.e. the connection to the pipe, can be screwed or snap-fitted.

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