CN217479055U

CN217479055U - Filling valve

Info

Publication number: CN217479055U
Application number: CN202221537913.3U
Authority: CN
Inventors: 吴剑英; 王志国; 郭东旭
Original assignee: Inner Mongolia Mengniu Dairy Group Co Ltd
Current assignee: Inner Mongolia Mengniu Dairy Group Co Ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2022-09-23
Anticipated expiration: 2032-06-17

Abstract

The utility model discloses a filling valve, this filling valve includes: the valve comprises a valve body, a valve cavity and a valve seat, wherein a valve port is arranged at one end of the valve cavity; an electromagnet assembly is arranged in the valve cavity; the valve core is arranged in the valve cavity; the valve core and the valve port are sealed through a contact surface to close the valve port; the valve core is made of a material suitable for being attracted by the electromagnet assembly; under the magnetic action of the electromagnet, the valve core has a valve closing state in which the valve core is in contact with the valve port and sealed so that the valve port is closed, and a valve opening state in which the valve core is separated from the valve port so that the valve port is opened. So set up, case and valve port department lean on the contact surface to go sealed, compare in relying on the sealing washer among the prior art sealed, do not exist corruption and aseptic leakage, the fault rate is high, the risk that the maintenance cost is high. And, select for use electromagnetic drive control, can improve control accuracy.

Description

Filling valve

Technical Field

The utility model relates to a PET sterile system filling technical field, concretely relates to filling valve.

Background

The existing aseptic filling valve is designed to basically drive the valve to move by mechanical or pneumatic action, and the aseptic filling valve mainly comprises two types: one is magnetically driven, as shown in figure 1, the valve is driven by the cylinder to drive the outer magnetic sleeve to drive the inner magnetic valve core, the other is not magnetically driven, as shown in figure 2, the valve is driven by the cylinder to drive the inner valve core, and the joint between the valve core and the cylinder is isolated by the corrugated pipe and the sealing ring.

However, the joints of the valve core and the valve cavity in the two designs are sealed by the sealing rings, and the design defects of the two valves cause the risks of leakage, high failure rate, high maintenance cost and low control precision in later operation.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that the case of the filling valve that exists among the prior art and the junction of valve pocket rely on the sealing washer to seal, have the problem that leaks, fault rate is high, the maintenance cost is high, control accuracy is low to a filling valve is provided.

In order to achieve the above object, an embodiment of the present invention provides a filling valve, which includes: the valve comprises a valve body, a valve cavity and a valve seat, wherein a valve port is arranged at one end of the valve cavity; an electromagnet assembly is arranged in the valve cavity; the valve core is arranged in the valve cavity; the valve core and the valve port are sealed through a contact surface to close the valve port; the valve core is made of materials suitable for being attracted by the electromagnet assembly; under the magnetic action of the electromagnet, the valve core has a valve closing state in which the valve core is in contact with the valve port and sealed so that the valve port is closed, and a valve opening state in which the valve core is separated from the valve port so that the valve port is opened.

Optionally, the valve body comprises a first valve body and a second valve body connected with each other, the first valve body is provided with the valve port, and at least a part of the second valve body is provided with the electromagnet assembly.

Optionally, the first valve body and the second valve body are sealed by a sealing element.

Optionally, the seal is a gasket.

Optionally, the method further comprises: the external control circuit is connected with the electromagnet; the current of the electromagnet is regulated by the external control circuit.

Optionally, the valve core performs precise movement in the valve cavity under the action of the external control circuit.

Optionally, the external control circuit has a sweep of motion control accuracy between 2000 times/sec and 2100 times/sec.

Optionally, the motion precision of the valve core in the valve cavity is smaller than or equal to 0.01 mm.

Optionally, the electromagnet assembly is embedded in the valve cavity.

Optionally, the valve core is an integral magnetic valve core.

Compared with the prior art, the utility model, have following advantage:

1. an embodiment of the utility model provides a filling valve, this filling valve includes: the valve comprises a valve body, a valve cavity and a valve seat, wherein a valve port is arranged at one end of the valve cavity; an electromagnet assembly is arranged in the valve cavity; the valve core is arranged in the valve cavity; the valve core and the valve port are sealed through a contact surface to close the valve port; the valve core is made of a material suitable for being attracted by the electromagnet assembly; under the magnetic action of the electromagnet, the valve core has a valve closing state in which the valve core is in contact with the valve port and sealed so that the valve port is closed, and a valve opening state in which the valve core is separated from the valve port so that the valve port is opened.

According to the configuration, in the embodiment of the present invention, the valve element is completely sealed in the valve cavity, and there is no contact with the outside, and the valve element and the valve port are sealed by the contact surface, so that there is no contact between the valve element and the valve port, and there is no corrosion and no risk of aseptic leakage, high failure rate, and high maintenance cost compared with the sealing ring in the prior art. In addition, the action of the filling valve is completed by the driving force of the electromagnetism without the intervention of external machinery, so that the control precision can be improved by selecting the electromagnetic driving control.

2. The embodiment of the utility model provides a coil current's size in the electro-magnet is adjusted through external control circuit, and then controls the action of inside case through control magnetism size for the control circuit who scans 2000 times per second can control the accurate motion of case, makes the motion precision be greater than or equal to 0.01mm, thereby has improved control accuracy.

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, and obviously, the drawings in the following description are some embodiments of the present invention, and for a worker in the field, without creative efforts, other drawings can be obtained according to the drawings.

FIG. 1 is a schematic diagram of a first prior art;

FIG. 2 is a schematic diagram of a second prior art;

fig. 3 is a schematic view of a valve core and a valve body of a filling valve according to an embodiment of the present invention;

fig. 4 is a sectional view of the valve element and the valve body according to the embodiment of the present invention.

Reference numerals:

1. a valve core; 2. a magnetic member; 3. a first valve body; 4. a second valve body; 5. an electromagnet assembly; 6. a valve cavity; 7. and (4) valve ports.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary workers in the field 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meaning of the above terms in the present invention can be understood in specific cases for ordinary workers in the art.

Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The existing aseptic filling valve is designed basically by using mechanical or pneumatic action to drive the valve to act, and the aseptic filling valve mainly comprises two types: one is magnetically driven, as shown in figure 1, the valve is driven by the cylinder to drive the outer magnetic sleeve to drive the inner magnetic valve core, the other is not magnetically driven, as shown in figure 2, the valve is driven by the cylinder to drive the inner valve core, and the joint between the valve core and the cylinder is isolated by the corrugated pipe and the sealing ring. However, the joints of the valve core and the valve cavity in the two designs are sealed by the sealing rings, and the design defects of the two valves cause the risks of leakage, high failure rate, high maintenance cost and low control precision in later operation.

Therefore, the utility model discloses the technical problem that solve lies in that the junction of the case of the filling valve that exists and the valve pocket among the prior art relies on the sealing washer to seal, has the problem that leaks, fault rate are high, the maintenance cost is high, control accuracy is low to a filling valve is provided.

Example 1

As shown in fig. 3 to 4, an embodiment of the present invention provides a filling valve, which includes a valve body and a valve core 1.

Specifically, in the embodiment of the utility model provides an, the inside of valve body is provided with valve pocket 6, the one end of valve pocket 6 is provided with valve port 7, valve pocket 6 is keeping away from the one end of valve port 7 is provided with electromagnet assembly 5. The valve core 1 is made of a material suitable for being attracted by the electromagnet assembly 5, the valve core 1 is arranged in the valve cavity 6, the valve core 1 can slide in the valve cavity 6, and the direction of a magnetic field generated by the electromagnet assembly 5 is the same as the extending direction of the valve cavity 6. In the working process, the filling valve is usually placed in the vertical direction, when the electromagnet assembly 5 is not electrified or is electrified reversely, the valve core 1 closes the valve port 7 by sealing a contact surface between the valve core 1 and the valve port 7 under the action of gravity; after the electromagnet assembly 5 is powered on, because the direction of the magnetic field generated by the electromagnet assembly 5 is the same as the extending direction of the valve cavity 6, the valve core 1 moves upwards under the action of the magnetic field of the electromagnet assembly 5, so that the valve core 1 is separated from the valve port 7, and the valve port 7 is opened. That is, under the magnetic action of the electromagnet assembly 5, the valve element 1 has a closed state in which it is sealed in contact with the valve port 7 so that the valve port 7 is closed, and an open state in which it is separated from the valve port 7 so that the valve port 7 is open.

So set up, the embodiment of the utility model provides an in, case 1 is sealed completely in valve pocket 6, does not have any contact with the outside, and case 1 and valve port 7 department lean on the contact surface to go sealed for contactless does not have sealedly between the two, consequently compares in the sealed aspect of the sealed of dependence sealing washer among the prior art, does not exist corruption and aseptic leakage, fault rate height, the risk that maintenance cost is high. In addition, the action of the filling valve is completed by the driving force of the electromagnetism without the intervention of external machinery, so that the control precision can be improved by selecting the electromagnetic driving control. To sum up, the filling valve after improvement overall structure is simple, do not have sealed, life cycle is long, the fault rate is low, the maintenance cost is low. Compared with the existing filling valve, the embodiment of the utility model provides an have advantages such as precision height, stable, the aseptic better control of system.

Of course, the present embodiment is only an example of the operation of the electromagnetic assembly, but not limited to this, and those skilled in the art can change the operation relationship between the actual material of the valve core 1 and the actual condition of the electromagnet assembly 5, for example, when the valve core 1 is composed of a magnet, the electromagnet assembly 5 can be either not energized or energized in the reverse direction to make the valve core 1 close the valve port 7; when the valve core 1 is made of iron, the electromagnet assembly 5 can only be electrified to enable the valve core 1 to close the valve port 7. The same technical effect can be achieved.

Further, in an optional embodiment of the present invention, the valve body comprises a first valve body 3 and a second valve body 4 connected to each other, the first valve body 3 is provided with the valve port 7, and at least a portion of the second valve body 4 is provided with the electromagnet assembly 5. Specifically, the first valve body 3 and the second valve body 4 are sealed by a sealing member. The seal may be a gasket.

The sealing ring can be made of silica gel or rubber. Of course, the material of the sealing ring is merely illustrated in the present embodiment, but the present invention is not limited to this, and those skilled in the art may change the material according to actual situations, and may achieve the same technical effects.

Further, in an optional embodiment of the present invention, the filling valve further comprises an external control circuit, the external control circuit is connected to the electrical coil of the electromagnet assembly 5. The technician can adjust the current of the electromagnet assembly 5 through the external control circuit, and then can control the magnetism of the electromagnet assembly 5 through the current, so that the action of the inner valve core 1 can be controlled. Specifically, under the action of the external control circuit, the valve core 1 performs precise movement in the valve cavity 6. The scanning surface of the action control precision of the external control circuit is between 2000 times/second and 2100 times/second. By the arrangement, the movement precision of the valve core 1 in the valve cavity 6 can be less than or equal to 0.01 mm.

The embodiment of the utility model provides a adjust the size of coil current in electromagnet assembly 5 through external control circuit, and then control the action of inside case 1 through control magnetism size for the accurate motion of case 1 can be controlled to the control circuit who scans 2000 times per second, makes the motion precision be greater than or equal to 0.01mm, thereby has improved control accuracy.

Further, in an optional embodiment of the present invention, the electromagnet assembly 5 is embedded in the valve cavity 6. The valve element 1 may be an integrated magnetic valve element 1, and a magnetic member 2 may be provided inside the valve element 1 at an end remote from the valve port 7.

Of course, the present embodiment is only an example of the type of the valve core 1, but the present invention is not limited to this, and those skilled in the art may change the valve core according to actual situations, and may achieve the same technical effects.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Variations and modifications in other variations may occur to those skilled in the art based upon the foregoing description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A filling valve, comprising:

the valve comprises a valve body, a valve cavity (6) is arranged in the valve body, and a valve port (7) is arranged at one end of the valve cavity (6); an electromagnet assembly (5) is arranged in the valve cavity (6);

the valve core (1) is arranged in the valve cavity (6); the valve port (7) is closed by sealing the contact surface between the valve core (1) and the valve port (7); the valve core (1) is made of a material suitable for being attracted by the electromagnet assembly (5);

under the magnetic action of the electromagnet, the valve core (1) has a valve closing state in which the valve core is in contact with the valve port (7) and sealed so that the valve port (7) is closed, and a valve opening state in which the valve core is separated from the valve port (7) so that the valve port (7) is opened.

2. A filling valve according to claim 1, wherein the valve body comprises a first valve body (3) and a second valve body (4) connected to each other, the first valve body (3) being provided with the valve port (7), at least a part of the second valve body (4) being provided with the electromagnet assembly (5).

3. A filling valve according to claim 2, wherein the first valve body (3) and the second valve body (4) are sealed by a seal.

4. The filling valve of claim 3, wherein the sealing member is a gasket.

5. The filling valve of any of claims 1 to 4, further comprising:

the external control circuit is connected with the electromagnet; the current of the electromagnet is regulated by the external control circuit.

6. The filling valve according to claim 5, wherein the valve cartridge (1) is subjected to a precise movement in the valve chamber (6) under the influence of the external control circuit.

7. The filling valve of claim 6, wherein the sweep of the motion control accuracy of the external control circuit is between 2000 and 2100 times per second.

8. The filling valve according to claim 7, wherein the precision of the movement of the valve core (1) in the valve chamber (6) is less than or equal to 0.01 mm.

9. Filling valve according to any of claims 1 to 4, wherein the solenoid assembly (5) is embedded in the valve chamber (6).

10. The filling valve according to any of claims 1 to 4, wherein the cartridge (1) is a one-piece magnetic cartridge (1).