CN216789860U

CN216789860U - Novel filling port of liquid nitrogen filling machine

Info

Publication number: CN216789860U
Application number: CN202220185358.6U
Authority: CN
Inventors: 隗忠元
Original assignee: Wuhan Kelaiao Technology Co ltd
Current assignee: Wuhan Kelaiao Technology Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-21
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a novel filling port of a liquid nitrogen filling machine, which comprises an inner shell, a valve seat and a valve needle, wherein the valve needle is telescopically arranged in the inner shell, and the end part of the valve needle is matched with a conical valve seat hole; a sealing sleeve is arranged outside the liquid outlet end of the valve seat, one end of the sealing sleeve is connected to the liquid outlet end of the valve seat in a sealing manner, the other end of the sealing sleeve is provided with an inclined filling head in a sealing manner, and an inclined liquid outlet is formed in the bottom of the inclined filling head; the heater is sleeved on the outer side of the sealing sleeve, and the sealing sleeve and the oblique filler are heated and insulated through the heater. This device is provided with bevel connection filling head through setting up at the disk seat play liquid end for the liquid nitrogen can produce a horizontal direction initial velocity the same with container horizontal migration speed when the slope liquid outlet blowout from bevel connection filling head, thereby makes in can accurately pouring into the container through bevel connection filling head spun liquid nitrogen, avoids the liquid nitrogen spill, influences product pressure.

Description

Novel filling port of liquid nitrogen filling machine

Technical Field

The utility model relates to the technical field of filling machines, in particular to a novel filling port of a liquid nitrogen filling machine.

Background

In the industries of beverage food, oil products and seasoning products, liquid nitrogen is widely used for fresh keeping, pressurization, cooling and the like. In these industries, it is necessary to quantitatively and accurately add liquid nitrogen into a product container to reduce the oxygen content in the container so as to achieve the effect of freshness preservation. After the liquid nitrogen is dripped into the container, the liquid nitrogen absorbs heat to vaporize and expand, so that the internal pressure is increased, the flat bottles are reduced, and the transportation is convenient. The gram weight of the container can also be reduced by increasing the internal pressure. When the existing liquid nitrogen filling machine adds liquid nitrogen to a container, because the container moves horizontally on a production line, liquid generated from a filling head can be splashed out of a container opening; meanwhile, due to the fact that the temperature of the liquid nitrogen is low, when the liquid nitrogen flows through the filling head, the outer side of the filling head frosts at low temperature.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel filling port of a liquid nitrogen filling machine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel filling port of a liquid nitrogen filling machine comprises an inner shell, a valve seat and a valve needle, wherein the valve seat is arranged at the bottom of the inner shell, a conical valve seat hole is formed in the valve seat, and the conical valve seat hole is communicated with an inner cavity of the inner shell; the valve needle is telescopically arranged in the inner shell, and the end part of the valve needle is matched with the conical valve seat hole; a sealing sleeve is arranged outside the liquid outlet end of the valve seat, one end of the sealing sleeve is connected to the liquid outlet end of the valve seat in a sealing manner, the other end of the sealing sleeve is provided with an inclined filling head in a sealing manner, and an inclined liquid outlet is arranged at the bottom of the inclined filling head; the heater is sleeved on the outer side of the sealing sleeve, and the sealing sleeve and the oblique filler are heated and insulated through the heater.

Furthermore, the inclined liquid outlet is arranged in an inclined cylindrical manner, and the inclination angle of the inclined liquid outlet is 35 degrees.

Furthermore, the inclined filling head is half embedded in the sealing sleeve; the inner wall of the sealing sleeve is arranged in a corrugated shape along the axis direction.

The heater is including heat conduction ring and a plurality of fastening O type ring, the heat conduction ring inner wall is provided with the annular groove along vertical direction equidistance, and fastening O type ring one-to-one sets up in the annular groove.

Furthermore, an outer shell is coated outside the inner shell, and a vacuum layer is formed between the outer shell and the inner shell; and the vacuum layer is used for preserving heat and insulating heat of the inner shell.

Furthermore, an air cylinder is arranged at the top of the shell, and a telescopic shaft of the air cylinder is connected with the valve needle; the telescopic shaft of the cylinder drives the valve needle to stretch.

Compared with the prior art, the utility model has the beneficial effects that: the device is provided with the bevel filler head at the liquid outlet end of the valve seat, so that liquid nitrogen can generate an initial speed in the horizontal direction which is the same as the horizontal moving speed of a container when being sprayed out from the bevel liquid outlet of the bevel filler head, and the liquid nitrogen sprayed out through the bevel filler head can be accurately injected into the container, thereby avoiding the liquid nitrogen from splashing out to influence the pressure of a product; meanwhile, a heater is arranged to heat and insulate the filling head and the liquid outlet end of the valve seat, so that the frosting of the outer wall of the filling head and the liquid outlet end of the valve seat caused by cold is avoided; and finally, vacuumizing is performed between the inner shell and the outer shell, so that the condition that the outer shell is frosted due to the fact that liquid nitrogen is guided to the outer shell is avoided.

Drawings

FIG. 1 is a cross-sectional structural view of the novel liquid nitrogen filling machine of the present invention;

fig. 2 is a partially enlarged structural view of fig. 1 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the drawings, the present invention provides a technical solution: a novel filling port of a liquid nitrogen filling machine comprises an inner shell 1, a valve seat 2 and a valve needle 3, wherein the valve seat 2 is arranged at the bottom of the inner shell 1, a conical valve seat hole 20 is formed in the valve seat 2, and the conical valve seat hole 20 is communicated with an inner cavity of the inner shell 1; the valve needle 3 is telescopically arranged in the inner shell 1, the end part of the valve needle 3 is matched with the conical valve seat hole 20, a sealing sleeve 4 is arranged outside the liquid outlet end of the valve seat 2, one end of the sealing sleeve 4 is hermetically connected with the liquid outlet end of the valve seat 2, the other end of the sealing sleeve 4 is hermetically provided with an inclined filling head 5, and the bottom of the inclined filling head 5 is provided with an inclined liquid outlet 50; the heater 6 is sleeved on the outer side of the sealing sleeve 4, and the sealing sleeve 4 and the bevel filler head 5 are heated and insulated through the heater 6.

The inclined liquid outlet 50 is arranged in an inclined cylindrical shape, and the inclination angle of the inclined liquid outlet 50 is 35 degrees. The liquid outlet is ensured to be uniform by the arrangement, the inclined liquid outlet 50 with the inclination angle of 35 degrees which is specially arranged can ensure that the horizontal initial speed of the inclined liquid outlet is the same as the moving speed of the container, and the liquid nitrogen sprayed out from the inclined liquid outlet 50 can be accurately fed into the container.

The inclined filling head 5 is embedded in the sealing sleeve 4 in half; the inner wall of the sealing sleeve 4 is arranged in a corrugated shape along the axial direction; the arrangement increases the area of the inner side wall of the sealing sleeve 4, so that when the heater 6 heats the sealing sleeve 4, more heat is conducted from the inner side of the sealing sleeve 4 to the liquid outlet end of the valve seat 2 and the inclined filling head, and the liquid outlet end of the valve seat 2 and the inclined filling head 5 are insulated.

The heater 6 is including heat conduction ring 61 and a plurality of fastening O type ring 62, the heat conduction ring 61 inner wall is provided with annular groove 63 along vertical direction equidistance, and fastening O type ring 62 one-to-one fixed correspondence sets up in annular groove 63, fixes on the sealing boot through fastening O type ring 62 to heat the outer shell of sealing boot through heat conduction ring 61, thereby can effectively avoid sealing boot 4 to frost.

An outer shell 7 is coated outside the inner shell 1, and a vacuum layer 8 is formed between the outer shell 7 and the inner shell 1; the vacuum layer 8 is used for preserving and insulating heat of the inner shell 1, so that the condition that liquid nitrogen is guided to the outer shell 7 to frost the outer shell 7 is avoided, and meanwhile, the condition that the liquid nitrogen in the inner shell 1 is heated and vaporized is also avoided.

The top of the shell 7 is also provided with a cylinder 9, and a telescopic shaft of the cylinder 9 is connected with the valve needle 3; the telescopic shaft of the cylinder 9 drives the valve needle 3 to be arranged in a telescopic mode. Thus, the air cylinder 9 drives the valve needle 3 to block the conical valve seat hole 20, so that the filling of the filling machine can be accurately controlled.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel filling port of a liquid nitrogen filling machine comprises an inner shell (1), a valve seat (2) and a valve needle (3), wherein the valve seat (2) is arranged at the bottom of the inner shell (1), a conical valve seat hole (20) is formed in the valve seat (2), and the conical valve seat hole (20) is communicated with an inner cavity of the inner shell (1); the valve needle (3) is telescopically arranged in the inner shell (1), and the end part of the valve needle (3) is matched with the conical valve seat hole (20); the device is characterized in that a sealing sleeve (4) is arranged outside the liquid outlet end of the valve seat (2), one end of the sealing sleeve (4) is connected to the liquid outlet end of the valve seat (2) in a sealing manner, the other end of the sealing sleeve is provided with an inclined filling head (5) in a sealing manner, and an inclined liquid outlet (50) is arranged at the bottom of the inclined filling head (5); the heater (6) is sleeved on the outer side of the sealing sleeve (4), and the sealing sleeve (4) and the inclined opening filling head (5) are heated and insulated through the heater (6).

2. The novel filling port of the liquid nitrogen filling machine according to claim 1, characterized in that: the inclined liquid outlet (50) is arranged in an inclined cylindrical manner, and the inclination angle of the inclined liquid outlet (50) is 35 degrees.

3. The novel filling port of the liquid nitrogen filling machine according to claim 2, characterized in that: the inclined-port filling head (5) is half embedded in the sealing sleeve (4); the inner wall of the sealing sleeve (4) is arranged in a corrugated shape along the axis direction.

4. The novel filling port of the liquid nitrogen filling machine according to claim 3, characterized in that: the heater (6) comprises a heat conduction ring (61) and a plurality of fastening O-rings (62), wherein annular grooves (63) are formed in the inner wall of the heat conduction ring (61) at equal intervals in the vertical direction, and the fastening O-rings (62) are arranged in the annular grooves (63) in a one-to-one correspondence mode.

5. The novel filling port of the liquid nitrogen filling machine according to claim 1, characterized in that: an outer shell (7) is coated outside the inner shell (1), and a vacuum layer (8) is formed between the outer shell (7) and the inner shell (1); the vacuum layer (8) is used for preserving heat and insulating heat of the inner shell (1).

6. The novel filling port of the liquid nitrogen filling machine according to claim 5, characterized in that: the top of the shell (7) is provided with an air cylinder (9), and a telescopic shaft of the air cylinder (9) is connected with the valve needle (3); the telescopic shaft of the cylinder (9) drives the valve needle (3) to be arranged in a telescopic mode.