CN219755447U

CN219755447U - Oxygenerator with pressure regulating function

Info

Publication number: CN219755447U
Application number: CN202321121535.5U
Authority: CN
Inventors: 孙浩杰; 蒋菊香
Original assignee: Hangzhou Orui Air Separation Equipment Co ltd
Current assignee: Hangzhou Orui Air Separation Equipment Co ltd
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2023-09-26
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses an oxygenerator with a pressure regulating function, which relates to the technical field of oxygenerator equipment and specifically comprises a valve body, wherein a vertical circular chamber is formed in the upper surface of the valve body, a conical hole is formed in the valve body through the inner bottom wall of the vertical circular chamber, a pressing plate and a pushing plate are slidably connected to the valve body through the inner side wall of the vertical circular chamber, and a valve core is fixedly connected to the bottom surface of the pushing plate. When the device is used, when the regulating set value of the regulating valve is reduced, the oxygen pressure in front of the regulating valve is increased, oxygen enters the upper space of the first piston through the second channel to push the first piston to move downwards, so that the guide rod drives the valve core to move downwards, and the first piston and the second piston can be automatically adapted to the regulating valve by adjusting the positions according to the pressure value set by the regulating valve, thereby achieving the purpose of automatic pressure regulation.

Description

Oxygenerator with pressure regulating function

Technical Field

The utility model relates to the technical field of oxygen generating equipment, in particular to an oxygen generator with a pressure adjusting function.

Background

The oxygen generator is a machine for preparing oxygen, the principle of the oxygen generator is that the air separation technology is utilized, the adsorption performance of a molecular sieve is adopted, the nitrogen and the oxygen in the air are separated by taking a large-discharge oil-free compressor as power through the physical principle, and finally the high-concentration oxygen is obtained.

The oxygenerator for oxygen therapy and oxygen health care has the advantages of being used in hospitals, families, vehicles, travel and the like, being convenient to use and simple to operate, the existing oxygenerator can be used for adjusting pressure, but after the pressure is set, when the load changes, adaptation cannot be automatically changed, and the internal pressure of the oxygenerator is affected to generate certain fluctuation.

Disclosure of Invention

Aiming at the defects and the shortcomings of the prior art in the background technology, the utility model provides an oxygenerator with a pressure regulating function.

The utility model discloses an oxygenerator with a pressure regulating function, which comprises a valve body, wherein the upper surface of the valve body is provided with a vertical circular cavity, the valve body is provided with a conical hole through the inner bottom wall of the vertical circular cavity, the valve body is slidably connected with a pressing plate and a pushing plate through the inner side wall of the vertical circular cavity, the bottom surface of the pushing plate is fixedly connected with a valve core, the bottom surface of the valve core is fixedly connected with a guide rod, one end of the guide rod, which is far away from the valve core, is fixedly connected with a first piston, and the bottom surface of the first piston is fixedly connected with a second piston.

Further, the upper surface of the push plate is fixedly connected with a first spring, and the top end of the first spring is fixedly connected with the pressing plate.

Further, the upper surface of the pressing plate is rotationally connected with a valve rod, the outer surface of the valve rod is in threaded connection with a pressing cover, and the bottom surface of the pressing cover is fixedly connected with the valve body.

Further, a T-shaped cavity is formed in the valve body, the valve body is in sliding connection with the first piston and the second piston through the inner side wall of the T-shaped cavity, the valve body is fixedly connected with the second spring through the inner bottom wall of the T-shaped cavity, and the top end of the second spring is fixedly connected with the second piston.

Further, a first channel is formed in the valve body through the inner bottom wall of the vertical circular cavity, and the bottom end of the first channel is communicated with the valve body through the T-shaped cavity.

Further, a transverse circular chamber is formed in the valve body, a second channel is formed in the valve body through the inner side wall of the transverse circular chamber, and the bottom end of the second channel is communicated with the valve body through a T-shaped chamber.

Further, the surface fixed intercommunication of valve body has oxygen therapy pipe and play oxygen pipe, the internally mounted of oxygen therapy pipe has the air-vent valve, the one end fixed intercommunication that the valve body was kept away from to the play oxygen pipe has the humidification cup, the bottom surface fixedly connected with oxygenerator of humidification cup.

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

1. when the device is used, when the regulating set value of the regulating valve is reduced, the oxygen pressure in front of the regulating valve is increased, oxygen enters the upper space of the first piston through the second channel to push the first piston to move downwards, so that the guide rod drives the valve core to move downwards, and the first piston and the second piston can be automatically adapted to the regulating valve by adjusting the positions according to the pressure value set by the regulating valve, thereby achieving the purpose of automatic pressure regulation.

2. When the device is used, the valve rod is enabled to move downwards through the automatic valve rod, the valve rod is driven to move downwards through the movement of the valve rod, the pressing plate is moved to compress the first spring, so that the pretightening force of the first spring is increased, and the purpose that the pretightening force of the first spring can be increased according to requirements is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of the three-dimensional structure of the interior of the valve body of the present utility model;

FIG. 4 is a schematic view of the internal structure of the valve body of the present utility model.

In the figure: 1. a valve body; 2. a valve stem; 3. a gland; 4. a pressing plate; 5. a first spring; 6. a push plate; 7. a valve core; 8. a guide rod; 9. a first piston; 10. a second piston; 11. a second spring; 12. an oxygen therapy tube; 13. a pressure regulating valve; 14. an oxygen outlet pipe; 15. an oxygen production device; 16. a humidifying cup; 17. a first channel; 18. and a second channel.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1-4, the oxygen generator with pressure regulating function of the utility model comprises a valve body 1, wherein the upper surface of the valve body 1 is provided with a vertical circular cavity, the valve body 1 is provided with a conical hole through the inner bottom wall of the vertical circular cavity, the valve body 1 is slidably connected with a pressing plate 4 and a pushing plate 6 through the inner side wall of the vertical circular cavity, the bottom surface of the pushing plate 6 is fixedly connected with a valve core 7, the bottom surface of the valve core 7 is fixedly connected with a guide rod 8, one end of the guide rod 8, which is far away from the valve core 7, is fixedly connected with a piston I9, the bottom surface of the piston I9 is fixedly connected with a piston II 10, the diameter of the piston I9 is larger than the diameter of the piston II 10, the two are combined together to form a differential piston, the motion of the differential piston is more stable than the motion of the differential piston, vibration is small, the motion of the differential piston is not the spring force, but the pressure difference, the spring I5 and the spring II act as a balancing function and an impact force absorption function, when the pressure of the space above the piston I9 is reduced, the guide rod 8 moves upwards to drive the end, the guide rod 7 to move upwards, the valve core 7 moves upwards, and the conical valve 1 moves upwards, the valve core 7 is made to move according to the pressure regulating valve 13, and the pressure value can be adjusted automatically according to the set up position of the pressure valve 13.

Referring to fig. 3 and 4, a first spring 5 is fixedly connected to the upper surface of the push plate 6, the top end of the first spring 5 is fixedly connected to the pressure plate 4, the pre-tightening force of the first spring 5 can be adjusted by the valve rod 2, the valve rod 2 moves upwards or downwards through vibration of the valve rod 2, the valve rod 2 moves to drive the pressure plate 4 to move, and the pressure plate 4 moves to compress or stretch the first spring 5.

Referring to fig. 1-4, the upper surface of the pressing plate 4 is rotatably connected with a valve rod 2, the outer surface of the valve rod 2 is in threaded connection with a pressing cover 3, the bottom surface of the pressing cover 3 is fixedly connected with the valve body 1, the valve rod 2 rotates to enable the valve rod 2 to move upwards or downwards, the pressing plate 4 is driven to move by the movement of the valve rod 2, and the spring one 5 is compressed or stretched by the movement of the pressing plate 4.

Referring to fig. 3 and 4, a T-shaped chamber is provided in the valve body 1, the valve body 1 is slidably connected with the first piston 9 and the second piston 10 through the inner side wall of the T-shaped chamber, the valve body 1 is fixedly connected with the second spring 11 through the inner bottom wall of the T-shaped chamber, the top end of the second spring 11 is fixedly connected with the second piston 10, the second spring 11 has the same function as the first spring 5, and plays a role in balancing and absorbing impact force, and when the second piston 10 moves, the second spring 11 stretches or compresses.

Referring to fig. 3 and 4, a first channel 17 is formed in the valve body 1 through an inner bottom wall of the vertical circular chamber, a bottom end of the first channel 17 is communicated with the valve body 1 through the T-shaped chamber, a bottom end of the first channel 17 is communicated with a space below the second piston 10, and the first channel 17 guides a pressure signal of the oxygen outlet pipe 14 to the space below the second piston 10.

Referring to fig. 3 and 4, a transverse circular chamber is formed in the valve body 1, a second channel 18 is formed in the valve body 1 through the inner side wall of the transverse circular chamber, the bottom end of the second channel 18 is communicated with the valve body 1 through a T-shaped chamber, the second channel 18 guides the pressure value in front of the pressure regulating valve 13 to the space above the first piston 9, so that the pressure signal sensed by the differential piston formed by the first piston 9 and the second piston 10 is the difference between the pressure value in front of the valve core 7 and the pressure value behind the valve core 7, and the differential piston is pushed by the pressure difference.

Referring to fig. 1-4, an oxygen pipe 12 and an oxygen outlet pipe 14 are fixedly connected to the outer surface of the valve body 1, a pressure regulating valve 13 is installed in the oxygen pipe 12, one end of the oxygen outlet pipe 14 far away from the valve body 1 is fixedly connected to a humidifying cup 16, the bottom surface of the humidifying cup 16 is fixedly connected with an oxygen generating device 15, in normal use, a first spring 5 and a second spring 11 keep balance, so that the first piston 9 and the second piston 10 are static, oxygen produced by the oxygen generating device 15 enters the vertical round chamber of the valve body 1 through the oxygen outlet pipe 14, then enters the horizontal round chamber of the valve body 1 through the opening of a conical hole of the valve core 7 and the valve body 1, then enters a human body through the oxygen pipe 12 through the pressure regulating valve 13, when a set value of the pressure regulating valve 13 is reduced, the opening of the pressure regulating valve 13 is increased, so that the oxygen pressure value in the horizontal round chamber of the valve body 1 is overlarge, oxygen enters the space above the first piston 9 through the second channel 18, the space below the second piston 10 is the pressure value in front of the valve core 7, the balance of the differential piston is broken, the first piston 9 moves downwards under the pushing of oxygen to drive the second piston 10 to move downwards to compress the second spring 11, the first piston 9 moves downwards and simultaneously drives the guide rod 8 to move downwards, the guide rod 8 moves to drive the valve core 7 to move downwards, the valve core 7 moves downwards to reduce the opening of the taper hole of the valve body 1, so that the oxygen inlet amount of the oxygen outlet pipe 14 is slowly reduced, the pressure inside the transverse circular chamber of the valve body 1 is reduced until the pressure value is stable at the set pressure of the pressure regulating valve 13, and therefore, the oxygen inlet amount in the oxygen outlet pipe 14 can be automatically regulated according to the movement condition of the first piston 9 and the second piston 10, the purpose of stabilizing oxygen supply pressure is achieved, and the stress analysis of the piston I9 and the piston II 10 is achieved, because the cross section area of the piston I9 is larger than that of the piston II 10, the stress of the piston II 10 is larger than that of the piston I9 under the condition that the piston I9 and the piston II 10 are subjected to the same pressure value, and the piston II 10 moves downwards.

When the utility model is used: when the device is used, oxygen produced by the oxygen producing equipment 15 enters the vertical circular chamber of the valve body 1 through the oxygen outlet pipe 14, then enters the transverse circular chamber of the valve body 1 through the valve core 7 and the opening of the conical hole of the valve body 1, then enters a human body through the oxygen delivery pipe 12 and the pressure regulating valve 13, when the set value of the pressure regulating valve 13 is regulated to be smaller, the opening of the pressure regulating valve 13 is smaller, the pressure value in front of the pressure regulating valve 13 is larger, the oxygen pressure value in the transverse circular chamber of the valve body 1 is excessively large, oxygen enters the space above the piston I9 through the channel II 18, the space below the piston II 10 is the pressure value in front of the valve core 7, the balance of the differential piston is broken, the piston I9 moves downwards under the pushing of oxygen to drive the piston II 10 to move downwards to compress the spring II 11, the piston I9 moves downwards and simultaneously drives the guide rod 8 to move downwards, the guide rod 8 moves to drive the valve core 7 to move downwards, the valve core 7 moves downwards to reduce the opening of the taper hole of the valve body 1, so that the oxygen inlet amount of the oxygen outlet pipe 14 slowly reduces, the pressure in the transverse circular chamber of the valve body 1 reduces until the pressure value is stabilized at the set pressure of the pressure regulating valve 13 to keep balance, and the oxygen inlet amount in the oxygen outlet pipe 14 can be automatically regulated according to the movement condition of the piston I9 and the piston II 10, so that the aim of stabilizing the oxygen supply pressure is fulfilled.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. Oxygenerator with pressure regulating function, including valve body (1), its characterized in that: the valve is characterized in that a vertical circular cavity is formed in the upper surface of the valve body (1), a conical hole is formed in the inner bottom wall of the valve body (1) through the vertical circular cavity, a pressing plate (4) and a pushing plate (6) are slidably connected to the inner side wall of the valve body (1), a valve core (7) is fixedly connected to the bottom surface of the pushing plate (6), a guide rod (8) is fixedly connected to the bottom surface of the valve core (7), a piston I (9) is fixedly connected to one end, far away from the valve core (7), of the guide rod (8), and a piston II (10) is fixedly connected to the bottom surface of the piston I (9).

2. The oxygenerator with pressure regulating function according to claim 1, wherein: the upper surface of the push plate (6) is fixedly connected with a first spring (5), and the top end of the first spring (5) is fixedly connected with the pressing plate (4).

3. The oxygenerator with pressure regulating function according to claim 1, wherein: the upper surface of clamp plate (4) rotates and is connected with valve rod (2), the surface threaded connection of valve rod (2) has gland (3), the bottom surface and the valve body (1) fixed connection of gland (3).

4. The oxygenerator with pressure regulating function according to claim 1, wherein: t-shaped chambers are formed in the valve body (1), the valve body (1) is in sliding connection with the first piston (9) and the second piston (10) through the inner side walls of the T-shaped chambers, the valve body (1) is fixedly connected with the second spring (11) through the inner bottom walls of the T-shaped chambers, and the top ends of the second springs (11) are fixedly connected with the second piston (10).

5. The oxygenerator with pressure regulating function according to claim 1, wherein: the valve body (1) is provided with a first channel (17) through the inner bottom wall of the vertical round cavity, and the bottom end of the first channel (17) is communicated with the valve body (1) through the T-shaped cavity.

6. The oxygenerator with pressure regulating function according to claim 1, wherein: the inside of valve body (1) has seted up horizontal circular cavity, passageway two (18) have been seted up through the inside wall of horizontal circular cavity to valve body (1), the bottom of passageway two (18) is linked together through T die cavity with valve body (1).

7. The oxygenerator with pressure regulating function according to claim 1, wherein: the oxygen therapy valve is characterized in that an oxygen therapy pipe (12) and an oxygen outlet pipe (14) are fixedly communicated with the outer surface of the valve body (1), a pressure regulating valve (13) is arranged in the oxygen therapy pipe (12), a humidifying cup (16) is fixedly communicated with one end, far away from the valve body (1), of the oxygen outlet pipe (14), and an oxygen generating device (15) is fixedly connected with the bottom surface of the humidifying cup (16).