CN215981016U - Special air pressure adjusting device for oxygenerator - Google Patents
Special air pressure adjusting device for oxygenerator Download PDFInfo
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- CN215981016U CN215981016U CN202122603298.3U CN202122603298U CN215981016U CN 215981016 U CN215981016 U CN 215981016U CN 202122603298 U CN202122603298 U CN 202122603298U CN 215981016 U CN215981016 U CN 215981016U
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Abstract
The utility model relates to a special air pressure adjusting device for an oxygen generator, which comprises a shell, an adjusting component and an executing component, wherein the adjusting component and the executing component are arranged in the shell; the adjusting assembly comprises a set screw, an adjusting spring, a diaphragm and a diaphragm pressing plate, and the diaphragm divides the interior of the shell into an adjusting chamber and a balancing chamber; the actuating assembly comprises a thimble, a thimble pressing plate and a thimble spring, the end part of the thimble is always pressed against the diaphragm pressing plate under the action of the thimble spring and the adjusting spring, and an airflow gap is formed between the thimble and the thimble pressing plate; the outer wall of the shell is communicated with an air inlet and an air outlet, the air inlet is communicated with the balance chamber through an airflow gap, and the air outlet is directly communicated with the balance chamber; the air pressure in the balance cavity can be reflected through the position state of the diaphragm, and the action of the diaphragm can realize the action of the ejector pin, so that the size of an air flow gap is adjusted through the air pressure in real time, the air pressure at the air inlet end is controlled, the real-time adjustment of the air pressure is realized, and the function is strong.
Description
Technical Field
The utility model relates to the technical field of oxygen generators, in particular to a special air pressure adjusting device for an oxygen generator.
Background
The air pressure adjusting device used in the existing oxygen generator has relatively high overall cost, is complex to install, can have a smaller proportion of damage in the assembling process of the air pressure adjusting device and the oxygen generator, has poor air pressure tightness and low adjusting precision in the aspect of performance; therefore, the utility model develops the special air pressure adjusting device for the oxygen generator to solve the problems in the prior art, and the retrieval shows that the technical scheme which is the same as or similar to the technical scheme of the utility model is not found.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a dedicated atmospheric pressure adjusting device of oxygenerator to solve among the prior art that the atmospheric pressure is adjusted and is based on structural design's unreasonable, and lead to the relatively poor problem in the aspect of the performance.
The technical scheme of the utility model is as follows: a special air pressure adjusting device for an oxygenerator comprises a shell, an adjusting component and an executing component, wherein the adjusting component and the executing component are arranged in the shell; the adjusting assembly comprises a set screw, an adjusting spring, a diaphragm and a diaphragm pressing plate, and the diaphragm divides the interior of the shell into an adjusting chamber and a balancing chamber; the actuating assembly comprises a thimble, a thimble pressing plate and a thimble spring, the end part of the thimble is always pressed against the diaphragm pressing plate under the action of the thimble spring and the adjusting spring, an airflow gap is formed between the thimble and the thimble pressing plate, and the size of the airflow gap is adjusted by the movement of the diaphragm; the air inlet is communicated with the balance chamber through an airflow gap, and the air outlet is directly communicated with the balance chamber.
Preferably, the housing comprises an upper housing and a lower housing, the adjusting assembly is mounted in the upper housing, and the outer edge of the diaphragm is clamped between the upper housing and the lower housing; the execution assembly is arranged in the lower shell, and the air inlet and the air outlet are arranged on the outer wall of the lower shell.
Preferably, a threaded pipe is fixed at the top of the upper shell, the tacking screw is in threaded connection with the threaded pipe, and the adjusting assembly moves along the axial direction of the shell by screwing in and out; the diaphragm pressing plate comprises an upper pressing plate and a lower pressing plate which are fixed in the middle of the diaphragm, the upper pressing plate is arranged above the diaphragm, and the lower pressing plate is arranged below the diaphragm and penetrates through the diaphragm to be fixedly connected with the upper pressing plate through threads; the lower end of the adjusting spring is abutted against the upper pressure plate, the upper end of the adjusting spring is connected with an adjusting sheet, and the adjusting sheet is abutted against the lower end of the clinch screw.
Preferably, a sleeve pipe in an integrated structure is arranged inside the lower shell, and the inside of the sleeve pipe is communicated with the air inlet; the ejector pin pressing plate is fixedly connected with the sleeve, the ejector pin penetrates through the ejector pin pressing plate and abuts against the lower pressing plate, and an airflow gap is formed between the lower end surface of the ejector pin pressing plate and the ejector pin; the thimble spring is arranged in the sleeve, and the upper end of the thimble spring is abutted to the lower end face of the thimble.
Preferably, the top of the upper shell is provided with a pressure regulating hole in a penetrating manner, and the pressure regulating hole is communicated with the regulating cavity and the outside.
Compared with the prior art, the utility model has the advantages that:
the air pressure balance device comprises a shell, an adjusting component and an executing component, wherein the air pressure balance in a balance cavity is realized through the matching work of the adjusting component and the executing component in the shell, and the air pressure is output in a balance way; the air pressure in the balance cavity is reflected by the position state of the diaphragm, and the action of the diaphragm can realize the action of the ejector pin, so that the size of the air flow gap is regulated by the air pressure in real time, the air flow pressure at the air inlet end is controlled, the real-time regulation of the air pressure is realized, and the function is strong.
Drawings
The utility model is further described with reference to the following figures and examples:
fig. 1 is an exploded view of a pressure regulating device for an oxygen generator according to the present invention;
fig. 2 is a 1/4 sectional structural diagram of an air pressure adjusting device specially used for an oxygen generator according to the present invention;
fig. 3 is a schematic structural diagram of the adjusting component and the executing component according to the present invention.
Wherein: 1. the device comprises a shell, 11, an upper shell, 12, an upper shell, 13, an air inlet, 14, an air outlet, 15, a regulating chamber, 16, a balance chamber, 17, a pressure regulating hole, 18 and a sleeve;
2. the device comprises an adjusting assembly, 21, a set screw, 22, a threaded pipe, 23, an adjusting sheet, 24, an adjusting spring, 25, a diaphragm, 26, a diaphragm pressing plate, 261, an upper pressing plate, 262 and a lower pressing plate;
3. the ejector pin pressing plate is arranged on the actuator assembly 31, the ejector pin pressing plate 32, the ejector pin 321, the rubber pad 33, the ejector pin spring 34 and the airflow gap.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
as shown in fig. 1 to 3, an air pressure adjusting device dedicated for an oxygen generator includes a housing 1, an adjusting component 2 and an executing component 3 disposed in the housing 1.
The shell 1 comprises an upper shell 11 and an upper shell 12, the upper shell 11 and the upper shell 12 are fixedly connected in a threaded connection mode, and the height of a superposition area of the threaded connection is increased compared with that of a traditional structure, so that the connection air tightness is improved; the top of the upper shell 11 is provided with a pressure regulating hole 17 in a penetrating way, so that the inside of the upper shell 11 is communicated with the outside; an air inlet 13 is arranged right below the upper shell 12, an air outlet 14 is arranged on the side wall, a sleeve 18 in an integrated structure is further arranged inside the upper shell, the inside of the sleeve 18 is communicated with the air inlet 13, and the inner diameter of the sleeve is larger than that of the air inlet 13.
The adjusting assembly 2 is arranged in the upper shell 11 and comprises a set screw 21, an adjusting spring 24, a diaphragm 25 and a diaphragm pressing plate 26, the outer edge of the diaphragm 25 is clamped between the upper shell 11 and the upper shell 12 and divides the interior of the shell 1 into an adjusting chamber 15 and a balance chamber 16, so that the adjusting chamber 15 can be communicated with the outside through a pressure adjusting hole 17, and the balance chamber 16 is communicated with the air inlet 13 and the air outlet 14; the diaphragm pressing plate 26 comprises an upper pressing plate 261 and a lower pressing plate 262 which are fixed in the middle of the diaphragm 25, the upper pressing plate 261 is arranged above the diaphragm 25, and the lower pressing plate 262 is arranged below the diaphragm 25 and penetrates through the diaphragm 25 to be fixedly connected with the upper pressing plate 261 through threads; the lower end of the adjusting spring 24 is abutted against the upper pressure plate 261, the upper end of the adjusting spring is connected with the adjusting sheet 23, the adjusting sheet 23 is abutted against the lower end of the clinch screw 21, the clinch screw 21 is in threaded connection with a threaded pipe 22 fixed at the top of the upper shell 11, and the adjusting assembly 2 moves along the axial direction of the shell 1 by screwing in and screwing out.
The executive component 3 is installed in a sleeve 18 in the upper shell 12 and comprises an ejector pin 32, an ejector pin pressing plate 31 and an ejector pin spring 33, wherein the ejector pin pressing plate 31 is fixedly connected with the sleeve 18, the ejector pin 32 penetrates through the ejector pin pressing plate 31 from the lower part, the upper end of the ejector pin is abutted against the lower pressing plate 262, and the lower end of the ejector pin is abutted against the ejector pin spring 33; an airflow gap 34 is formed between the thimble 32 and the thimble pressing plate 31, the size of the airflow gap 34 is adjusted by the movement of the membrane 25, and the movement of the membrane 25 is driven by two modes: firstly, the self-contained state is controlled by the screwing-in and screwing-out of the tacking screw 21; secondly, the non-autonomous state is controlled by the pressure in the equalizing chamber 16, when the pressure is high, the diaphragm 25 is pushed upwards, and when the pressure is reduced, the diaphragm 25 is pushed downwards by the regulating spring 24.
In the execution component 3, in order to ensure air tightness, a rubber pad 321 is arranged on the end surface of the thimble 32 forming the air flow gap 34, and when the lower end surface of the thimble pressing plate 31 is contacted with the thimble pressing plate, the tightness can be effectively improved; when the actuator assembly 3 is installed, the air inlet 13 is in communication with the balance chamber 16 through the air flow gap 34, and the air outlet 14 is still in direct communication with the balance chamber 16.
In order to prevent the adjusting spring 24 and the thimble spring 33 from side bending in the moving process, the inner diameter of the sleeve 18 for installing the thimble spring 33 and the inner diameter of the local upper shell 11 for installing the adjusting spring 24 are respectively matched, so that the adjusting spring 24 and the thimble spring 33 can move in the vertical direction all the time, the adjustment is more stable, and the precision is higher.
When the pneumatic control device works, the purpose of controlling air pressure is achieved by adjusting the height of the tacking screw 21; when the tacking screw 21 is not screwed in, the membrane pressing plate 26 does not act on the thimble 32, at this time, the thimble 32 is pressed against the thimble pressing plate 31 under the action of the thimble spring 33, the air flow gap 34 is zero, and at this time, the air inlet 13 is not ventilated; when the set screw 21 is screwed inwards, a downward force is given to the thimble 32 through the conduction of the adjusting sheet 23, the adjusting spring 24 and the membrane pressing plate 26, the thimble 32 overcomes the elastic force of the thimble spring 33 to open the airflow gap 34, at the moment, the air inlet 13 starts to ventilate, and the balance cavity 16 is ventilated; in the process, when the air pressure in the balance chamber 16 is increased, an upward thrust is given to the diaphragm 25, the diaphragm pressing plate 26 and the ejector pin 32 both move upward by overcoming the elastic force of the adjusting spring 24, the air flow gap 34 is reduced, the air inflow is further reduced, and the air pressure in the balance chamber 16 is reduced; when the air pressure in the balance chamber 16 is reduced, the upward thrust given to the membrane 25 by the air pressure is reduced, the membrane pressing plate 26 and the ejector pin 32 both move downward under the action of the elastic force of the adjusting spring 24, the air flow gap 34 is increased, the air inflow is further improved, and the air pressure in the balance chamber 16 is increased; according to the principle, during the whole operation process, the thimble 32 repeatedly moves up and down at high speed due to the pressure difference between the air inlet 13 and the balance chamber 16, so that the air pressure in the balance chamber 16 is balanced and finally discharged from the air outlet 14.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that the present embodiments be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (5)
1. The utility model provides a dedicated atmospheric pressure adjusting device of oxygenerator which characterized in that: comprises a shell, an adjusting component and an executing component which are arranged in the shell; the adjusting assembly comprises a set screw, an adjusting spring, a diaphragm and a diaphragm pressing plate, and the diaphragm divides the interior of the shell into an adjusting chamber and a balancing chamber; the actuating assembly comprises a thimble, a thimble pressing plate and a thimble spring, the end part of the thimble is always pressed against the diaphragm pressing plate under the action of the thimble spring and the adjusting spring, an airflow gap is formed between the thimble and the thimble pressing plate, and the size of the airflow gap is adjusted by the movement of the diaphragm; the air inlet is communicated with the balance chamber through an airflow gap, and the air outlet is directly communicated with the balance chamber.
2. The air pressure adjusting device special for the oxygen generator as claimed in claim 1, wherein: the shell comprises an upper shell and a lower shell, the adjusting component is arranged in the upper shell, and the outer edge of the diaphragm is clamped between the upper shell and the lower shell; the execution assembly is arranged in the lower shell, and the air inlet and the air outlet are arranged on the outer wall of the lower shell.
3. The air pressure adjusting device special for the oxygen generator as claimed in claim 2, wherein: a threaded pipe is fixed at the top of the upper shell, the tacking screw is in threaded connection with the threaded pipe, and the adjusting assembly moves along the axial direction of the shell by screwing in and screwing out; the diaphragm pressing plate comprises an upper pressing plate and a lower pressing plate which are fixed in the middle of the diaphragm, the upper pressing plate is arranged above the diaphragm, and the lower pressing plate is arranged below the diaphragm and penetrates through the diaphragm to be fixedly connected with the upper pressing plate through threads; the lower end of the adjusting spring is abutted against the upper pressure plate, the upper end of the adjusting spring is connected with an adjusting sheet, and the adjusting sheet is abutted against the lower end of the clinch screw.
4. The air pressure adjusting device special for the oxygen generator as claimed in claim 3, wherein: a sleeve pipe in an integrated structure is arranged in the lower shell, and the interior of the sleeve pipe is communicated with the air inlet; the ejector pin pressing plate is fixedly connected with the sleeve, the ejector pin penetrates through the ejector pin pressing plate and abuts against the lower pressing plate, and an airflow gap is formed between the lower end surface of the ejector pin pressing plate and the ejector pin; the thimble spring is arranged in the sleeve, and the upper end of the thimble spring is abutted to the lower end face of the thimble.
5. The air pressure adjusting device special for the oxygen generator as claimed in claim 3, wherein: the top of the upper shell is provided with a pressure regulating hole in a penetrating mode, and the pressure regulating hole is communicated with the regulating cavity and the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603298.3U CN215981016U (en) | 2021-10-27 | 2021-10-27 | Special air pressure adjusting device for oxygenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122603298.3U CN215981016U (en) | 2021-10-27 | 2021-10-27 | Special air pressure adjusting device for oxygenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215981016U true CN215981016U (en) | 2022-03-08 |
Family
ID=80572365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122603298.3U Active CN215981016U (en) | 2021-10-27 | 2021-10-27 | Special air pressure adjusting device for oxygenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215981016U (en) |
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2021
- 2021-10-27 CN CN202122603298.3U patent/CN215981016U/en active Active
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