CN216431270U

CN216431270U - Integrated air outlet valve for oxygen generator

Info

Publication number: CN216431270U
Application number: CN202123192895.8U
Authority: CN
Inventors: 黄刚; 刘海锋; 王亮亮
Original assignee: Hunan Zhuoyu Technology Co ltd
Current assignee: Hunan Zhuoyu Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-03
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an integrated air outlet valve for oxygenerator, including the valve body, the valve body is equipped with two business turn over gas ports and a gas vent, and each business turn over gas port links to each other with the gas vent through and only make gaseous check valve to the one-way circulation of gas vent, and each check valve is installed in the valve body, is equipped with the throttle passageway of two business turn over gas ports of intercommunication in the valve body, and the throttle passageway is equipped with the choke valve. The integrated air outlet valve has the advantages of greatly reduced connecting pipelines, simple and convenient installation and maintenance, simple structure, less occupied space, low manufacturing cost, low failure rate, good aesthetic property and the like.

Description

Integrated air outlet valve for oxygen generator

Technical Field

The utility model relates to an air treatment device technical field, concretely relates to an integrated air outlet valve for oxygenerator.

Background

In the field of compressed air purification, due to special air intake requirements, reversing functions of air intake and discharge are often required. For example, as shown in fig. 1, the pressure swing adsorption oxygen generation gas path system is a typical pressure swing adsorption oxygen generation gas path system adopted by an existing oxygen generator, and the working process and principle of the pressure swing adsorption oxygen generation gas path system are that a first electromagnetic valve 1 and a fourth electromagnetic valve 4 are matched with each other to form a first gas path loop, a second electromagnetic valve 2 and a third electromagnetic valve 3 are matched with each other to form a second gas path loop, when a first adsorption tower 100 works, the second electromagnetic valve 2 and the third electromagnetic valve 3 are closed, the first electromagnetic valve 1 and the fourth electromagnetic valve 4 are opened, a gas source enters the first adsorption tower 100 through the first electromagnetic valve 1, an adsorbent is filled in the first adsorption tower 100, most of purified gas enters downstream through a one-way valve 6 and is provided for gas utilization equipment, and a small part (about 16-20%) enters a second adsorption tower 200 through a throttle valve 5 (the gas pressure after passing through the throttle valve 5 is about equal to the atmospheric pressure) to perform back blowing (or desorption, or desorption oxygen generation, Regeneration) impurity gas trapped in the adsorbent in the previous period, and exhausting tail gas through a fourth electromagnetic valve 4 after the back-blowing gas passes through the second adsorption tower 200; when the second adsorption tower 200 works, the first electromagnetic valve 1 and the fourth electromagnetic valve 4 are closed, the second electromagnetic valve 2 and the third electromagnetic valve 3 are opened, the air source enters the second adsorption tower 200 through the second electromagnetic valve 2, the second adsorption tower 200 is filled with the adsorbent, most of purified air enters downstream and is provided for gas-using equipment, a small part (about 16% -20%) of purified air enters the first adsorption tower 100 through the throttle valve 5 (the air pressure passing through the throttle valve is approximately equal to the atmospheric pressure) to blow back (or resolve, regenerate) impurity gases intercepted in the adsorbent in the previous period, and after the blow-back air passes through the first adsorption tower 100, the tail gas is evacuated through the third electromagnetic valve 3. The first gas circuit and the second gas circuit work alternately, so that the gas source alternately passes through the first adsorption tower 100 and the second adsorption tower 200 for purification, and simultaneously, when one adsorption tower works, the other adsorption tower is filled with back flushing gas for adsorbent regeneration.

In order to avoid the influence of pressure mutation on downstream gas utilization equipment and slow down the pulverization phenomenon of the adsorbents in the first adsorption tower 100 and the second adsorption tower 200 due to the pressure mutation, a pressure equalizing stage is added before the switching of the first adsorption tower 100 and the second adsorption tower 200, and simultaneously, in order to improve the recovery efficiency of oxygen generation and reduce the energy consumption, a top-bottom pressure equalizing mode (gas enters from the top of the adsorption tower, so that the pressure is gradually built in the adsorption tower to finish the pressure equalizing) is adopted: after the adsorbent in the second adsorption tower 200 is sufficiently regenerated as described above, the fourth solenoid valve 4 is closed in advance, the pressure in the second adsorption tower 200 is gradually increased from the normal pressure to the operating pressure, and then the first solenoid valve 1 is closed and the second solenoid valve 2 and the third solenoid valve 3 are opened.

However, in the existing pressure swing adsorption oxygen generation gas path system, the gas paths at the gas outlet ends of the first adsorption tower 100 and the second adsorption tower 200 are formed by connecting isolated electromagnetic valves and a plurality of one-way valves by using joints and pipelines, so that a plurality of required gas path components and parts and a plurality of fault points are needed, and the pipeline connection is complicated, inconvenient to install and maintain, large in occupied space and poor in aesthetic property.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide a connecting line that can significantly reduce, the installation, maintain portably, simple structure, occupation space is few, low in manufacturing cost, the low, the integrated air outlet valve that is used for the oxygenerator that the aesthetic property is good of fault rate.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the integrated gas outlet valve for the oxygen generator comprises a valve body, wherein the valve body is provided with two gas inlet and outlet ports and a gas outlet, each gas inlet and outlet port is connected with the gas outlet through a check valve only enabling gas to flow towards the gas outlet in a one-way mode, each check valve is installed in the valve body, two throttling channels for communicating the gas inlet and outlet ports are arranged in the valve body, and each throttling channel is provided with a throttling valve.

As a further improvement of the above technical solution:

the valve body is equipped with two first holes and a second hole that extend to the valve body inside from the valve body surface, and the outside end in each first hole and second hole all is equipped with the first end cap with detachable mode installation, the second hole intercommunication is two a check valve is all installed in each first hole in the first hole, and two air inlets correspond respectively with two first hole intercommunications, the gas vent with the second hole intercommunication.

The valve body is equipped with from the valve body surface to the inside two third holes that extend of valve body and correspond respectively with two first hole intercommunications, and the outside end of two third holes is regarded as two business turn over gas ports respectively.

The aperture of the first hole is larger than that of the third hole, the one-way valve comprises a valve core and a telescopic spring, the valve core is installed in the first hole and can move in a reciprocating mode at a first position and a second position, the communication ports of the first hole and the third hole are sealed when the valve core is at the first position, the communication ports of the first hole and the third hole are communicated with the communication ports of the second hole and the first hole when the valve core is at the second position, and the telescopic spring is connected between the first plug and the valve core and forces the valve core to move towards the first position.

The communication position of the exhaust port and the second hole is positioned between the two first holes.

The valve body is provided with a fourth hole which extends from the surface of the valve body to the inside of the valve body and is communicated with the second hole, and the outer side end of the fourth hole is used as the exhaust port.

The two first holes are arranged side by side, the second hole is perpendicular to the two first holes, and the two first holes and the second hole are located in the same plane.

The valve body is equipped with from the valve body surface to the inside fifth hole that extends of valve body and communicate with two third holes, the outside end in fifth hole is equipped with the second end cap with detachable mode installation, the choke valve is installed in the fifth hole with detachable mode, and the choke valve is located between two third holes.

The fifth hole comprises a large-diameter section and a small-diameter section, the small-diameter section is used as a throttling channel to communicate with the two third holes, and the throttling valve is installed from the large-diameter section and is in threaded connection with the small-diameter section.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an integrated air outlet valve for oxygenerator, with the business turn over gas port, the gas vent, check valve and choke valve integration are installed on the valve body, when being used for pressure swing adsorption oxygen generation gas circuit system, only need connect two gas outlets two adsorption towers of pressure swing adsorption oxygen generation gas circuit system can realize giving vent to anger and hold the gas circuit function, the quantity of connecting line and components and parts that can significantly reduce, avoid the numerous problem of tube coupling, make the installation, it is more simple and convenient to maintain, the fault rate is reduced, the aesthetic property is good, and the simple structure of integrated business turn over pneumatic valve, overall dimension is little, occupation space is few, low in manufacturing cost. The integrated gas outlet valve can be connected with an adsorption tower plate or a pipeline, can meet the requirements of various working conditions, and has wide application range.

Drawings

FIG. 1 is a schematic diagram of a conventional pressure swing adsorption oxygen generation gas circuit system.

Fig. 2 is a schematic diagram of an integrated gas outlet valve.

Fig. 3 is a schematic perspective view of the integrated air outlet valve.

Fig. 4 is a schematic front view of the integrated air outlet valve.

Fig. 5 is a rear view structural schematic diagram of the integrated air outlet valve.

Fig. 6 is a schematic top view of the integrated gas outlet valve.

Fig. 7 is a left side view structural schematic diagram of the integrated air outlet valve.

Fig. 8 is an enlarged schematic view of a portion a in fig. 7.

Illustration of the drawings:

1. a valve body; 11. an air inlet and an air outlet; 12. an exhaust port; 13. a throttling channel; 2. a one-way valve; 21. a valve core; 22. a tension spring; 3. a throttle valve; 101. a first hole; 102. a second hole; 103. a third aperture; 104. a fourth aperture; 105. a fifth aperture; 201. a first plug; 202. and a second plug.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific embodiments.

As shown in fig. 2 to 8, the integrated gas outlet valve for an oxygen generator of the present embodiment includes a valve body 1, the valve body 1 is provided with two gas inlet and outlet ports 11 and a gas outlet 12, each gas inlet and outlet port 11 is connected to the gas outlet 12 through a check valve 2 that only allows gas to flow in one direction to the gas outlet 12, each check valve 2 is installed in the valve body 1, a throttling channel 13 that communicates the two gas inlet and outlet ports 11 is provided in the valve body 1, and the throttling channel 13 is provided with a throttle valve 3.

This integrated air outlet valve will pass in and out gas port 11, gas vent 12, check valve 2 and throttle valve 3 are integrated to be installed on valve body 1, when being used for pressure swing adsorption oxygen generation gas circuit system, only need to connect two gas ports 11 with two adsorption towers of pressure swing adsorption oxygen generation gas circuit system can realize giving vent to anger end gas circuit function, the quantity of connecting tube and components and parts that can significantly reduce, avoid the tedious problem of tube coupling, make the installation, it is more simple and convenient to maintain, the fault rate is reduced, the aesthetic property is good, and the simple structure of integrated business turn over pneumatic valve, overall dimension is little, occupation space is few, low in manufacturing cost. The integrated gas outlet valve can be connected with an adsorption tower plate or a pipeline, can meet the requirements of various working conditions, and has wide application range.

In this embodiment, the valve body 1 is provided with two first holes 101 and one second hole 102 extending from the surface of the valve body 1 to the inside of the valve body 1, the outer side end of each of the first holes 101 and the second holes 102 is provided with a first plug 201 detachably mounted, the second holes 102 communicate with the two first holes 101, each of the first holes 101 is provided with a check valve 2, the two air inlets 11 are respectively communicated with the two first holes 101, and the air outlet 12 is communicated with the second holes 102. During processing and manufacturing, only two first holes 101 and one second hole 102 need to be formed in the valve body 1, the check valve 2 is installed in the first holes 101, the first plugs 201 are installed on the valve body 1, and the outer side ends of the first holes 101 and the outer side ends of the second holes 102 are sealed, so that the valve is easy to manufacture and assemble. Preferably, each first plug 201 is mounted on the valve body 1 by a screw connection.

In this embodiment, the valve body 1 is provided with two third holes 103 extending from the surface of the valve body 1 to the inside of the valve body 1 and respectively corresponding to the two first holes 101, and the outer ends of the two third holes 103 are respectively used as two air inlets 11. During manufacturing, only two third holes 103 need to be formed in the valve body 1, namely two air inlets 11 are formed, and meanwhile, each air inlet 11 is communicated with the corresponding first hole 101, so that manufacturing and assembling are simple and easy. Preferably, each third hole 103 is connected with the corresponding gas inlet and outlet 11 to form a straight-line through channel, so that the processing is convenient, and the structural strength of the valve body 1 is guaranteed.

In this embodiment, the aperture of the first hole 101 is larger than the aperture of the third hole 103, the check valve 2 includes a valve body 21 and a telescopic spring 22, the valve body 21 is installed in the first hole 101 and can reciprocate between a first position and a second position, the valve body 21 closes the communication ports of the first hole 101 and the third hole 103 when in the first position, the valve body 21 communicates the communication ports of the first hole 101 and the third hole 103 with the communication ports of the second hole 102 and the first hole 101 when in the second position, and the telescopic spring 22 is connected between the first plug 201 and the valve body 21 and forces the valve body 21 to move to the first position. The check valve 2 directly utilizes the first hole 101 and the first plug 201, only the valve core 21 and the extension spring 22 are needed to be configured, and the check valve is simple in structure, low in cost and simple and convenient to assemble.

In this embodiment, the communication position between the exhaust port 12 and the second hole 102 is located between the two first holes 101, which is beneficial to improving the ventilation smoothness and reducing the influence on the structural strength of the valve body 1.

In this embodiment, the valve body 1 is provided with a fourth hole 104 extending from the surface of the valve body 1 into the valve body 1 and communicating with the second hole 102, and the outer end of the fourth hole 104 serves as the exhaust port 12. The exhaust port 12 is formed only by opening the fourth hole 104 on the valve body 1, and the exhaust port 12 is communicated with each check valve 2, so that the valve is easy to manufacture and assemble. Preferably, the exhaust port 12 is perpendicular to the second hole 102, which is advantageous for improving the structural strength of the valve body 1.

In this embodiment, the two first holes 101 are arranged side by side, the second hole 102 is perpendicular to the two first holes 101, and the two first holes 101 and the second hole 102 are located in the same plane, so that the processing and manufacturing are convenient, and the structural strength of the valve body 1 is good.

In this embodiment, the valve body 1 is provided with a fifth hole 105 extending from the surface of the valve body 1 to the inside of the valve body 1 and communicating with the two third holes 103, the outer end of the fifth hole 105 is provided with a second plug 202 detachably mounted, the throttle valve 3 is detachably mounted in the fifth hole 105, and the throttle valve 3 is located between the two third holes 103. During manufacturing and assembling, only the fifth hole 105 needs to be formed in the valve body 1, the throttle valve 3 is installed in the fifth hole 105, and the outer side end of the fifth hole 105 is sealed by the second plug 202, so that the manufacturing and assembling are simple and easy.

In this embodiment, the fifth hole 105 includes a large diameter section and a small diameter section, the small diameter section serves as the throttle passage 13 to communicate with the two third holes 103, and the throttle valve 3 is installed from the large diameter section and is screwed to the small diameter section, so that the throttle valve 3 is easily assembled.

In this embodiment, the two air inlets and outlets 11 are located on the same side of the valve body 1, and the air outlet 12 is located on the other side of the valve body 1, so as to facilitate connecting pipelines. In other embodiments, the positions of the two air inlet and outlet ports 11 and the one exhaust port 12 on the valve body 1 can be adjusted and changed according to actual needs to meet the requirements of different air inlet and outlet directions.

The above description is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, the modifications and changes obtained without departing from the technical idea of the present invention shall be considered as the protection scope of the present invention.

Claims

1. The utility model provides an integrated air outlet valve for oxygenerator which characterized in that: including valve body (1), valve body (1) is equipped with two business turn over gas ports (11) and an gas vent (12), and each business turn over gas port (11) is through and only make gaseous check valve (2) to gas vent (12) one-way circulation link to each other with gas vent (12), and each check valve (2) are installed in valve body (1), be equipped with the intercommunication two in valve body (1) the throttle passageway (13) of business turn over gas port (11), throttle passageway (13) are equipped with choke valve (3).

2. The integrated outlet valve for an oxygen generator according to claim 1, characterized in that: valve body (1) is equipped with two first holes (101) and a second hole (102) that extend to valve body (1) inside from valve body (1) surface, and the outside end in each first hole (101) and second hole (102) all is equipped with first end cap (201) with detachable mode installation, second hole (102) intercommunication is two first hole (101) all install one check valve (2) in each first hole (101), and two business turn over gas ports (11) correspond respectively with two first holes (101) intercommunication, gas vent (12) with second hole (102) intercommunication.

3. The integrated outlet valve for an oxygen generator according to claim 2, characterized in that: valve body (1) is equipped with from valve body (1) surface to valve body (1) inside extend and correspond respectively with two third hole (103) of two first hole (101) intercommunications, and the outside end of two third holes (103) is regarded as two business turn over gas ports (11) respectively.

4. An integrated outlet valve for an oxygen generator according to claim 3, characterized in that: the aperture of the first hole (101) is larger than that of the third hole (103), the one-way valve (2) comprises a valve core (21) and a telescopic spring (22), the valve core (21) is installed in the first hole (101) and can move back and forth at a first position and a second position, the valve core (21) closes the communication ports of the first hole (101) and the third hole (103) when in the first position, the valve core (21) communicates the communication ports of the first hole (101) and the third hole (103) with the communication ports of the second hole (102) and the first hole (101) when in the second position, and the telescopic spring (22) is connected between the first plug (201) and the valve core (21) and forces the valve core (21) to move to the first position.

5. An integrated outlet valve for an oxygen generator according to claim 3, characterized in that: the communication between the exhaust port (12) and the second hole (102) is located between the two first holes (101).

6. An integrated outlet valve for an oxygen generator according to claim 3, characterized in that: the valve body (1) is provided with a fourth hole (104) which extends from the surface of the valve body (1) to the interior of the valve body (1) and is communicated with the second hole (102), and the outer side end of the fourth hole (104) is used as the exhaust port (12).

7. An integrated outlet valve for an oxygen generator according to claim 3, characterized in that: the two first holes (101) are arranged side by side, the second hole (102) is perpendicular to the two first holes (101), and the two first holes (101) and the second hole (102) are located in the same plane.

8. An integrated outlet valve for an oxygen generator according to any one of claims 3 to 7, wherein: valve body (1) is equipped with from valve body (1) surface to valve body (1) inside extend and with the fifth hole (105) of two third hole (103) intercommunications, the outside end of fifth hole (105) is equipped with second end cap (202) with demountable installation, throttle valve (3) are installed in fifth hole (105) with demountable installation, and throttle valve (3) are located between two third holes (103).

9. The integrated outlet valve for an oxygen generator according to claim 8, wherein: the fifth hole (105) comprises a large-diameter section and a small-diameter section, the small-diameter section is used as a throttling channel (13) to communicate with the two third holes (103), and the throttling valve (3) is installed from the large-diameter section and is in threaded connection with the small-diameter section.