Flow control cabinet for helium gas

Abstract

The utility model discloses a helium gas flow control cabinet, which comprises a flow control cabinet, a gas inlet pipe and a gas outlet pipe, the gas inlet pipe and the gas outlet pipe are symmetrically mounted on two sides of the flow control cabinet, the flow control cabinet comprises a cabinet body, a guide rail, a baffle and a rotary gas flow regulator, and a mounting groove is formed in the cabinet body. The two guide rails are symmetrically installed above the installation groove, the baffle is arranged between the two guide rails in a sliding mode, the rotary type gas flow regulator comprises a stirring wheel, a driving gear, a driven gear, a connecting column, a gas guide cylinder and a gas guide pipe, the stirring wheel is rotationally arranged on the cabinet body, one side of the stirring wheel is connected with the driving gear, and the driving gear is meshed with the driven gear; the middle of the driven gear is connected with the end of an air guide cylinder through a connecting column, the two ends of the air guide cylinder are rotationally arranged in the mounting grooves, and a plurality of air guide cavity channels are machined and formed in the air guide cylinder. According to the rotary gas flow regulator designed by the utility model, the flow of gas is respectively controlled and regulated through a plurality of groups of gas guide pipelines inside the rotary gas flow regulator.

Description

Technical Field

[0001] The utility model relates to the technical field of helium, in particular to a flow control cabinet for helium gas. Background Art

[0002] Helium is a colorless, odorless, non-toxic gas. It is the lightest rare gas in the periodic table and is an inert gas. Helium is the second most abundant element in the universe, but its content in the Earth's atmosphere is very rare. Helium has many uses in scientific research, industrial and medical applications, including balloon filling, gas shielded welding, helium coolers, nuclear magnetic resonance imaging, gas chromatography and laser technology. In addition, helium is also used in fields such as spacecraft and nuclear reactors.

[0003] However, the existing helium transportation process through pipelines has the following problems: the flow of helium is mainly adjusted by valves, but the valve adjustment method is relatively simple and cannot accurately control the flow of helium, affecting the accuracy of helium transportation. Therefore, it is necessary to design corresponding technical solutions to solve the existing technical problems. Utility Model Content

[0004] The utility model aims to provide a helium gas flow control cabinet, which solves the technical problem that the flow of helium is mainly regulated by valves, but the valve regulation method is relatively simple and cannot accurately control the flow of helium, thus affecting the accuracy of helium delivery.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a helium gas flow control cabinet, comprising a flow control cabinet and an air inlet pipe and an air exhaust pipe symmetrically installed on both sides of the flow control cabinet, the flow control cabinet comprising a cabinet body, a guide rail, a baffle and a rotary gas flow regulator, the interior of the cabinet body is machined to have a mounting groove, the guide rails are divided into two groups and symmetrically installed above the mounting groove, the baffle is slidably arranged between the two groups of guide rails, the rotary gas flow regulator comprises a toggle wheel, a driving gear, a driven gear, a connecting column, an air guide cylinder and an air duct, the toggle wheel is rotatably set on the cabinet and one side is connected to the driving gear, the driving gear is meshed with the driven gear, the middle part of the driven gear is connected to the end of the air cylinder through a connecting column, the two ends of the air cylinder are rotatably set in the mounting groove, the interior of the air cylinder is machined to form a plurality of groups of air cavities, the plurality of groups of air cavities are distributed in a ring shape, the air ducts are divided into two groups and are symmetrically arranged at the two ends of the air cylinder, the air duct on the left side is connected to the intake pipe, and the air duct on the right side is connected to the exhaust pipe.

[0006] As a preferred embodiment of the present invention, numbers are engraved on the surface of the shifting wheel and are distributed one-to-one with a plurality of groups of air guide cavities.

[0007] As a preferred embodiment of the present invention, the inner diameters of the plurality of groups of air guiding cavities increase clockwise, and two adjacent groups of air guiding cavities are equidistantly distributed.

[0008] As a preferred embodiment of the utility model, the air guide tube includes an air delivery pipe and a cover body fixed to the end of the air delivery pipe, and the cover body is attached to the end of the air guide cylinder.

[0009] As a preferred embodiment of the present invention, the outer end diameter of the cover body is smaller than the inner end diameter, a sealing ring is fixed to the inner end of the cover body, the sealing ring is made of rubber material and is attached to the end of the gas guide cylinder.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. This scheme designs a control cabinet for controlling and regulating the helium gas flow rate. The control cabinet is equipped with a rotary gas flow regulator, which can accurately adjust the helium gas delivery flow rate according to actual needs, so as to achieve precise control and delivery of helium gas.

[0012] 2. The rotary gas flow regulator designed in this scheme controls and adjusts the gas flow through multiple sets of internal gas ducts. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the overall structure diagram of the utility model;

[0014] Figure 2 This is a structural diagram of the rotary gas flow regulator of the utility model;

[0015] Figure 3 This is a structural diagram of the end portion of the rotary gas flow regulator of the utility model;

[0016] Figure 4 This is a structural diagram of the airway tube described in the utility model.

[0017] In the figure: 1. air inlet pipe; 2. exhaust pipe; 3. cabinet; 4. guide rail; 5. baffle; 6. rotary gas flow regulator; 7. mounting slot; 8. toggle wheel; 9. driving gear; 10. driven gear; 11. connecting column; 12. air guide cylinder; 13. air guide pipe; 14. air guide cavity; 15. air delivery pipe; 16. cover body; 17. sealing ring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a helium gas flow control cabinet, comprising a flow control cabinet and an air inlet pipe 1 and an exhaust pipe 2 symmetrically installed on both sides of the flow control cabinet, the flow control cabinet comprising a cabinet body 3, a guide rail 4, a baffle 5 and a rotary gas flow regulator 6, the cabinet body 3 is internally machined to have a mounting groove 7, the guide rail 4 is divided into two groups and symmetrically installed above the mounting groove 7, the baffle 5 is slidably arranged between the two groups of guide rails 4, the rotary gas flow regulator 6 comprises a toggle wheel 8, a driving gear 9, a driven gear 10, a connecting column 11, an air guide cylinder 12 and an air guide pipe 1 3, the toggle wheel 8 is rotatably arranged on the cabinet 3 and one side is connected to the driving gear 9, the driving gear 9 is meshed with the driven gear 10, the middle part of the driven gear 10 is connected to the end of the air guide tube 12 through the connecting column 11, the two ends of the air guide tube 12 are rotatably arranged in the mounting groove 7, the interior of the air guide tube 12 is machined to form a plurality of groups of air guide cavities 14, the plurality of groups of air guide cavities 14 are distributed in a ring shape, the air guide pipe 13 is divided into two groups and is symmetrically arranged at the two ends of the air guide tube 12, the air guide pipe 13 on the left side is connected to the intake pipe 1, and the air guide pipe 13 on the right side is connected to the exhaust pipe 2.

[0020] Further improvement, such as Figure 1 As shown: the surface of the toggle wheel 8 is engraved with numbers and distributed one by one with a plurality of groups of gas guide cavities 14, so that the staff can drive the gas guide cylinder 12 to rotate by rotating the toggle wheel 8 and introduce the gas into the appropriate gas guide cavity 14 to achieve the purpose of accurate quantitative delivery.

[0021] Further improvement, such as Figure 3 As shown, the inner diameters of the plurality of groups of gas guiding cavities 14 increase clockwise, and two adjacent groups of gas guiding cavities 14 are equidistantly distributed, and the gas is introduced into the corresponding gas guiding cavities 14 as needed.

[0022] Further improvement, such as Figure 4 As shown, the air guide tube 13 includes an air delivery tube 15 and a cover body 16 fixed to the end of the air delivery tube 15 . The cover body 16 is attached to the end of the air guide cylinder 12 . Helium is transmitted to the cover body 16 through the air delivery tube 15 and introduced into the air guide cavity 14 .

[0023] Specifically, the outer diameter of the cover body 16 is smaller than the inner diameter. A sealing ring 17 is fixed to the inner end of the cover body 16 . The sealing ring 17 is made of rubber material and attached to the end of the gas cylinder 12 , which can improve the sealing performance of the contact portion between the cover body 16 and the gas cylinder 12 .

[0024] When in use: the utility model guides the helium in the tank body through the air inlet pipe 1 and transports it to the air guide pipe 13, the air guide pipe 13 guides the gas into the air guide cavity 14, and then guides the gas into the exhaust pipe 2 through the air guide cavity 14. When it is necessary to adjust the gas flow, the staff drives the gas guide cylinder 12 to rotate by rotating the toggle wheel 8, and guides the gas into the appropriate air guide cavity 14, so as to achieve the purpose of accurate quantitative transportation.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A helium gas flow control cabinet, characterized in that: The invention comprises a flow control cabinet and an air inlet pipe (1) and an air outlet pipe (2) symmetrically mounted on both sides of the flow control cabinet. The flow control cabinet comprises a cabinet body (3), a guide rail (4), a baffle plate (5) and a rotary gas flow regulator (6). The cabinet body (3) is internally machined to have a mounting groove (7). The guide rail (4) is divided into two groups and symmetrically mounted above the mounting groove (7). The baffle plate (5) is slidably mounted between the two groups of guide rails (4). The rotary gas flow regulator (6) comprises a toggle wheel (8), a driving gear (9), a driven gear (10), a connecting column (11), an air guide cylinder (12) and an air guide pipe (13). The toggle wheel (8) is rotatably mounted on the cabinet body ( 3) and one side of the air guide tube (13) is connected to a driving gear (9), the driving gear (9) is meshed with a driven gear (10), the middle part of the driven gear (10) is connected to the end of an air guide tube (12) through a connecting column (11), the two ends of the air guide tube (12) are rotatably arranged in the mounting groove (7), the interior of the air guide tube (12) is machined to form a plurality of groups of air guide cavities (14), the plurality of groups of air guide cavities (14) are distributed in a ring shape, the air guide tube (13) is divided into two groups and is symmetrically arranged at the two ends of the air guide tube (12), the air guide tube (13) located on the left side is connected to the intake pipe (1), and the air guide tube (13) located on the right side is connected to the exhaust pipe (2).

2. A helium gas flow control cabinet according to claim 1, characterized in that: The surface of the toggle wheel (8) is engraved with numbers which are distributed in one-to-one correspondence with a plurality of groups of air guide cavities (14).

3. A helium gas flow control cabinet according to claim 2, characterized in that: The inner diameters of the plurality of groups of air guiding cavities (14) increase clockwise, and two adjacent groups of air guiding cavities (14) are equidistantly distributed.

4. A helium gas flow control cabinet according to claim 1, characterized in that: The air guide tube (13) comprises an air delivery tube (15) and a cover body (16) fixed to the end of the air delivery tube (15); the cover body (16) is attached to the end of the air guide cylinder (12).

5. A helium gas flow control cabinet according to claim 4, characterized in that: The outer end diameter of the cover body (16) is smaller than the inner end diameter. A sealing ring (17) is fixed to the inner end of the cover body (16). The sealing ring (17) is made of rubber material and is attached to the end of the air guide cylinder (12).

Images