CN220351725U

CN220351725U - Mute oxygen-making valve

Info

Publication number: CN220351725U
Application number: CN202321885617.7U
Authority: CN
Inventors: 高展
Original assignee: Ningbo Paile Intelligent Technology Co ltd
Current assignee: Ningbo Paile Intelligent Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-01-16
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a mute oxygen generating valve in the technical field of oxygen generating valves, wherein a vacuum pump is connected to a pipeline on one side of an oxygen generating valve body, a silencer is connected to a pipeline on one end of the vacuum pump, a positive pressure pump is connected to a pipeline on the other side of the oxygen generating valve body, molecular sieve cylinders are connected to air outlets on two sides of the lower end of the oxygen generating valve body, an oxygen port is arranged at one end of each molecular sieve cylinder, the oxygen generating valve body comprises a valve body and a confluence plate, round holes are formed in two sides of the interior of the valve body, molecular sieves are fixedly connected to the center of the round holes in the interior of the valve body, an upper fixing sleeve and a lower fixing sleeve are sleeved in the round holes in the interior of the valve body, valve rod assemblies are sleeved in the interior of the upper fixing sleeve and the lower fixing sleeve, a spring is fixedly connected to one end of the valve rod assemblies, one end of the spring is fixedly connected to the bottom of the round holes, and the confluence plate is sleeved at the upper end of the valve body through inner hexagon screws. The vacuum pump is connected to the nitrogen discharge port, so that the nitrogen discharge efficiency can be accelerated, the oxygen production efficiency is improved, and the normally open and normally closed two-purpose valve is integrated, so that the application range of the oxygen production valve is wider.

Description

Mute oxygen-making valve

Technical Field

The utility model belongs to the technical field of oxygen production valves, and particularly relates to a mute oxygen production valve.

Background

The oxygenerator has a plurality of kinds, and common electrolytic water oxygen generation and air separation are used, and when the air separation oxygen generation is used, nitrogen is mainly separated out, common equipment is mainly an oxygen generation valve, indoor air is absorbed and converted into pure oxygen, and then the nitrogen is discharged.

The existing oxygen generating valve is usually communicated with the outside in the use process, and is directly communicated with the room in the nitrogen discharging process, and nitrogen is inert gas, so that the efficiency of nitrogen discharging is poor, the efficiency of oxygen generation is low, and certain limitation exists.

Disclosure of Invention

The utility model aims to provide a mute oxygen-making valve, which solves the problems that the prior oxygen-making valve is usually communicated with the outside in the use process, is directly communicated with the indoor in the nitrogen-discharging process, and nitrogen is inert gas, so that the efficiency of nitrogen discharge is poor, the efficiency of oxygen production is low and certain limitation exists in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a silence system oxygen valve, includes the system oxygen valve body, one side pipe connection of system oxygen valve body has the vacuum pump, the one end pipe connection of vacuum pump has the muffler, the opposite side pipe connection of system oxygen valve body has the positive pressure pump, the lower extreme both sides of system oxygen valve body are connected with the molecular sieve section of thick bamboo, the one end of molecular sieve section of thick bamboo is provided with the oxygen mouth, the system oxygen valve body includes valve body and cylinder manifold, the round hole has been seted up to the inside both sides of valve body, the inside round hole center fixedly connected with molecular sieve of valve body, fixed cover and lower fixed cover have been cup jointed in the inside round hole of valve body, go up fixed cover with the valve rod subassembly has been cup jointed to the inside of fixed cover down, the one end fixedly connected with spring of valve rod subassembly, the one end fixedly connected with of spring is in the bottom of round hole, the other end fixedly connected with piston fixing base body of valve rod subassembly, the cylinder manifold cup joints the upper end at the valve body through hexagon socket screw.

Preferably, the piston fixing seat body is arranged in an inner hole of the valve body, a piston fixing seat O-shaped ring is sleeved in a mouth part groove of the piston fixing seat body, a piston body and a Y-shaped ring are arranged in the piston fixing seat body, the Y-shaped ring is sleeved on the piston body, and the piston body is abutted to one end of the valve rod assembly.

Preferably, the valve rod assembly comprises a valve rod body, a C-shaped ring, a conical sealing gasket and a valve rod O-shaped ring, wherein the lower end of the valve rod body is sleeved with the C-shaped ring, the middle of the valve rod body is sleeved with the conical sealing gasket, and the upper end of the valve rod body is sleeved with the valve rod O-shaped ring.

Preferably, the lower end of the oxygen generating valve body is fixedly connected with a bottom plate body through a countersunk screw, and a bottom plate O-shaped ring is arranged in an inner groove of the bottom plate body.

Preferably, the upper ends of the upper fixing sleeve and the lower fixing sleeve are sleeved with O-shaped rings of the fixing sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. the nitrogen discharge port is connected with the vacuum pump, so that the nitrogen discharge efficiency can be accelerated, the oxygen production efficiency is improved, and meanwhile, the normally open and normally closed two-purpose valve is integrated, so that the application range of the oxygen production valve is wider.

2. The spring arranged at the bottom of the sliding rod assembly can automatically slide upwards when one side is powered off, so that oxygen is produced in a mode switching mode, and the situation that the oxygen is impure when the power is powered off or damaged is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the oxygen generating valve body of the present utility model;

FIG. 3 is a schematic diagram of an explosion structure of an oxygen generating valve body according to the present utility model

FIG. 4 is a schematic illustration of a normally open system of the present utility model;

FIG. 5 is a schematic illustration of a normally closed system of the present utility model;

FIG. 6 is a side cross-sectional view of an oxygen-generating valve body of the present utility model.

In the figure: 1. a base plate body; 2. a bottom plate O-shaped ring; 3. fixing the sleeve O-shaped ring; 4. c-shaped rings; 5. a spring; 6. a valve stem body; 7. a conical gasket; 8. a valve body; 9. an upper fixing sleeve; 10. a valve stem O-ring; 11. a Y-shaped ring; 12. a piston body; 13. an O-shaped ring of the piston fixing seat; 14. a piston fixing seat body; 15. a bus plate; 16. a solenoid valve body; 17. an inner hexagon screw; 18. a lower fixing sleeve; 19. countersunk head screws; 20. a valve stem assembly; 25. an oxygen generating valve body; 26. a vacuum pump; 27. a muffler; 28. a positive pressure pump; 29. a molecular sieve cylinder; 30. an oxygen port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a silence system oxygen valve, including system oxygen valve body 25, one side pipe connection of system oxygen valve body 25 has vacuum pump 26, the one end pipe connection of vacuum pump 26 has muffler 27, the opposite side pipe connection of system oxygen valve body 25 has positive pressure pump 28, the lower extreme both sides venthole of system oxygen valve body 25 is connected with molecular sieve section of thick bamboo 29, the one end of molecular sieve section of thick bamboo 29 is provided with oxygen mouth 30, system oxygen valve body 25 includes valve body 8 and confluence plate 15, the round hole has been seted up to the inside both sides of valve body 8, the inside round hole center fixedly connected with molecular sieve of valve body 8, upper fixed cover 9 and lower fixed cover 18 have been cup jointed in the inside round hole of valve body 8, the valve rod assembly 20 has been cup jointed in the inside of upper fixed cover 9 and lower fixed cover 18, the one end fixedly connected with spring 5 of valve rod assembly 20, the one end fixedly connected with of spring 5 is in the bottom of round hole, the other end fixedly connected with piston fixing base body 14 of valve rod assembly 20, the confluence plate 15 cup joints the upper end both sides at valve body 16 of confluence plate 15 through hexagon socket screw 17.

In this embodiment, when external air is transported to the inside of the oxygen-making valve body 25 through the positive pressure pump 28 that sets up to make oxygen, after the solenoid valve body 16 at both ends is switched on, make valve rod assembly 20 up-and-down motion, make incoming air, screen through the molecular sieve, use oxygen through inside round hole from molecular sieve section of thick bamboo 29 discharge to oxygen mouth 30, and exhaust nitrogen gas is then discharged through both sides, through the absorption of vacuum pump 26, can accelerate the circulation of nitrogen gas, thereby the efficiency of oxygen production has been accelerated, silencer 27 that the rethread upper end set up can reduce the noise, thereby make oxygen by silence, the function of normally open normal close has been realized to the spring 5 that sets up during the on, avoid leading to the oxygen production after the outage impure.

Specifically, the piston fixing seat body 14 is installed in the inner hole of the valve body 8, the opening groove of the piston fixing seat body 14 is sleeved with the piston fixing seat O-shaped ring 13, the piston fixing seat body 14 is internally provided with the piston body 12 and the Y-shaped ring 11, the Y-shaped ring 11 is sleeved on the piston body 12, and the piston body 12 is abutted against one end of the valve rod assembly 20.

In this embodiment, the confluence plate 15 connected through the upper end cover is beneficial to abutting against the piston fixing seat body 14, when normally open, as shown in fig. 4, when one side of the electromagnetic valve body 16 is electrified and the other side of the electromagnetic valve body 16 is deenergized, the small valve on the electrified side is opened to push the piston body 12 to move downwards, air in the cavity at the lower end of the piston body 12 is discharged to the atmosphere through the air outlet hole and the muffler of the system, the piston body 12 moves downwards against the molecular sieve cylinder 29 against the spring 5, the electromagnetic valve body 16 at the non-electrified side pushes the valve rod assembly 20 to move upwards under the action of the spring 5, at the moment, air in the wall body of the piston body 12 is led into the air outlet through the small valve and the flow passage of the confluence plate 15 and then discharged into the atmosphere through the muffler of the system, and at the moment, the air entering through the P port directly enters the cavity at the non-electrified side and enters the non-electrified molecular sieve to be screened; the nitrogen gas and other gases on the energized side are pumped by the vacuum pump 26 through the nitrogen vent.

Specifically, the valve rod assembly 20 comprises a valve rod body 6, a C-shaped ring 4, a conical sealing gasket 7 and a valve rod O-shaped ring 10, wherein the lower end of the valve rod body 6 is sleeved with the C-shaped ring 4, the middle of the valve rod body 6 is sleeved with the conical sealing gasket 7, and the upper end of the valve rod body 6 is sleeved with the valve rod O-shaped ring 10.

In this embodiment, the valve rod assembly 20 is formed by the C-shaped ring 4, the valve rod body 6, the conical sealing gasket 7 and the valve rod O-ring 10, and can slide in the circular hole.

Specifically, the lower end of the oxygen generating valve body 25 is fixedly connected with the bottom plate body 1 through a countersunk screw 19, and a bottom plate O-shaped ring 2 is arranged in an inner groove of the bottom plate body 1.

In this embodiment, as shown in fig. 5, when one side of the electromagnetic valve body 16 is energized and the other side of the electromagnetic valve body 16 is de-energized, at this time, the small valve on the energized side opens to push the piston body 12 to move downward, air in the cavity at the lower end of the piston body 12 is discharged to the atmosphere through the air outlet hole and the muffler of the system, the piston body 12 pushes the valve rod assembly 20 against the spring 5 to move downward, the electromagnetic valve body 16 on the de-energized side pushes the valve rod assembly 20 to move upward due to the action of the spring 5, at this time, air in the cavity of the piston body 12 is led into the air outlet through the small valve and the flow passage of the confluence plate 15 and then discharged to the atmosphere through the muffler of the system, at this time, the air entering from the P port directly enters the cavity on the energized side and enters the interior of the molecular sieve tube 29 on the energized side; at this time, nitrogen gas and other gases on the non-energized side are pumped by the vacuum pump 26.

Specifically, the upper ends of the upper fixing sleeve 9 and the lower fixing sleeve 18 are respectively sleeved with the fixing sleeve O-shaped ring 3.

The O-shaped ring 3 is favorable for playing an internal sealing role through the fixed sleeve, and is favorable for ensuring vacuum.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 mute oxygen valve, comprising an oxygen valve body (25), characterized in that: one side pipe connection of system oxygen valve body (25) has vacuum pump (26), the one end pipe connection of vacuum pump (26) has muffler (27), the opposite side pipe connection of system oxygen valve body (25) has positive pressure pump (28), the lower extreme both sides venthole of system oxygen valve body (25) is connected with molecular sieve section of thick bamboo (29), the one end of molecular sieve section of thick bamboo (29) is provided with oxygen mouth (30), system oxygen valve body (25) include valve body (8) and confluence plate (15), the round hole has been seted up to the inside both sides of valve body (8), the inside round hole center fixedly connected with molecular sieve of valve body (8), go up fixed cover (9) and lower fixed cover (18) have been cup jointed in the inside round hole of valve body (8), valve rod assembly (20) have been cup jointed to the inside of lower fixed cover (18), the one end fixedly connected with spring (5) of valve rod assembly (20), the one end fixedly connected with of spring (5) is in the bottom of round hole, the inside round hole of valve body (8) has the round hole, the inside round hole center fixedly connected with molecular sieve of valve body (15) has the fixed cover (16) on the fixed end of confluence plate (16) of valve body (16).

2. A mute oxygen valve as claimed in claim 1, wherein: the valve is characterized in that the piston fixing seat body (14) is arranged in an inner hole of the valve body (8), a piston fixing seat O-shaped ring (13) is sleeved in a mouth part groove of the piston fixing seat body (14), a piston body (12) and a Y-shaped ring (11) are arranged in the piston fixing seat body (14), the Y-shaped ring (11) is sleeved on the piston body (12), and the piston body (12) is abutted to one end of the valve rod assembly (20).

3. A mute oxygen valve as claimed in claim 1, wherein: the valve rod assembly (20) comprises a valve rod body (6), a C-shaped ring (4), a conical sealing gasket (7) and a valve rod O-shaped ring (10), wherein the lower end of the valve rod body (6) is sleeved with the C-shaped ring (4), the middle of the valve rod body (6) is sleeved with the conical sealing gasket (7), and the upper end of the valve rod body (6) is sleeved with the valve rod O-shaped ring (10).

4. A mute oxygen valve as claimed in claim 1, wherein: the lower end of the oxygen generating valve body (25) is fixedly connected with a bottom plate body (1) through a countersunk head screw (19), and a bottom plate O-shaped ring (2) is arranged in an inner groove of the bottom plate body (1).

5. A mute oxygen valve as claimed in claim 1, wherein: the upper ends of the upper fixing sleeve (9) and the lower fixing sleeve (18) are sleeved with the fixing sleeve O-shaped ring (3).