Molecular sieve connecting bracket and longitudinal connecting structure thereof

Abstract

The utility model provides a molecular sieve connecting support and a longitudinal connecting structure thereof, and belongs to the field of oxygenerators, and the connecting support comprises a support main body, a first air inlet joint and a first oxygen joint. The bracket main body comprises a first bracket section, a second bracket section and a connecting section, and a gas distribution valve is arranged on the second bracket section; the first gas inlet connector is arranged on the first support section and communicated with the gas distribution valve, the first gas inlet connector and the second gas inlet connector are arranged on the first support section with the higher relative elevation and the gas distribution valve is arranged on the second support section with the lower relative elevation through vertical sectional arrangement in space, and therefore staggered arrangement in space is achieved. The gas distribution valve can be conveniently communicated with the hose of the connector, and the overall space utilization rate is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of oxygen generator, especially relate to a molecular sieve connecting support and longitudinal connection structure thereof. BACKGROUND

[0002] Molecular sieve type oxygen generator is a kind of equipment for separating and preparing high-purity oxygen from air using the adsorption characteristics of molecular sieve. Its structure mainly includes air compression assembly, molecular sieve module and oxygen storage assembly, etc. After filtration, air enters air compression assembly for compression, then enters the molecular sieve module with double molecular sieve cylinder structure, and is distributed by gas distribution valve, enters a molecular sieve cylinder containing molecular sieve, nitrogen, carbon dioxide and other gases in air are adsorbed, and the outflowing gas is high-purity oxygen. When the molecular sieve cylinder reaches a certain saturation degree, the gas distribution valve closes the inlet for backwashing and cleaning, the molecular sieve cylinder enters the blow washing stage to discharge waste, and another molecular sieve cylinder containing molecular sieve performs oxygen production work, so as to continuously and cyclically provide oxygen.

[0003] At present, oxygen generator is applied in medical field, and has gradually entered household or outdoor field. For example, when people go to plateau and other places to appreciate the unique scenery of nature, adverse symptoms such as high altitude reaction will occur in human body when entering high altitude from low altitude, at this time, oxygen generator is needed to help the body provide the required oxygen.

[0004] Since oxygen generator has entered the consumer level, entered the family and outdoor, the portable development of oxygen generator has become the mainstream direction, and the structure arrangement of general oxygen generator is relatively cramped, and the space utilization is not high. For example, Chinese patent CN 217972603 U discloses a portable oxygen generator with pulse oxygen supply function, which sets bullet valve (for gas distribution) on the lower end of the upper cover of adsorption tower, and the space utilization rate is not high and occupies the space above the adsorption tower, and the adsorption tower is not convenient to disassemble and replace.

[0005] It should be noted that the information disclosed in the background art section of the utility model is only intended to deepen the understanding of the general background art of the utility model, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0006] One of the purposes of the utility model is to provide a connecting support capable of assembling molecular sieve module and fully utilizing the overall space.

[0007] The second purpose of the utility model is to provide a connecting structure with high space utilization and convenient molecular sieve structure disassembly and replacement.

[0008] To achieve the first purpose, the utility model first provides a molecular sieve connecting support, comprising:

[0009] The support body comprises a first support section with relatively high elevation, a second support section with relatively low elevation, and a connecting section connected to the first support section and the second support section; the second support section is provided with a gas distribution valve;

[0010] The first gas inlet connector is provided on the first support section, and has a first gas inlet adapter and a first gas inlet interface 22 connected in communication, the first gas inlet adapter is connected to the gas distribution valve, and the first gas inlet interface 22 is arranged downward to longitudinally insert and connect the gas inlet of the molecular sieve module.

[0011] The first oxygen connector is provided on the first support section, and has a first oxygen adapter and a first oxygen interface connected in communication, and the first oxygen interface is arranged downward to longitudinally insert and connect the oxygen outlet of the molecular sieve module.

[0012] Preferably, the first gas inlet connector is located at the middle position of the first support section, and the first oxygen connector is located at the edge position of the first support section; the first gas inlet adapter and the first oxygen adapter are arranged transversely.

[0013] Preferably, the first gas inlet connector and the first oxygen connector are respectively provided with reinforcing ribs between the first support section.

[0014] To achieve the second purpose, the utility model also provides a molecular sieve longitudinal connection structure which comprises a molecular sieve module and the molecular sieve connection support; the molecular sieve module has a second gas inlet connector and a second oxygen connector, the second gas inlet connector is longitudinally inserted into the first gas inlet interface 22, and the second oxygen connector is longitudinally inserted into the first oxygen interface.

[0015] Preferably, the molecular sieve module comprises an upper sieve cover, a lower sieve base and a molecular sieve cylinder; the molecular sieve cylinder is installed between the upper sieve cover and the lower sieve base, and the second gas inlet connector and the second oxygen connector are arranged on the upper sieve cover.

[0016] Preferably, the second gas inlet connector is located at the middle region of the upper sieve cover, and the second oxygen connector is arranged at the edge region of the upper sieve cover.

[0017] Preferably, the second oxygen connector is connected to the oxygen supply channel at the bottom of the molecular sieve cylinder through a gas guide pipe.

[0018] Preferably, the oxygen supply channel of the molecular sieve cylinder is located at the bottom of the molecular sieve module, and the bottom opening of the second oxygen connector extends outside the molecular sieve cylinder and is connected to the oxygen supply channel through the gas guide pipe.

[0019] Preferably, the connecting section is further formed with a matching concave surface on the side facing the molecular sieve cylinder, which is matched and attached to the outer wall of the molecular sieve cylinder.

[0020] Preferably, the second support section is further provided with a first mounting opening for mounting a fan and a second mounting opening for mounting an oxygen storage tank.

[0021] The technical effects of the above technical solutions of the present application are derived from the following one or more combinations:

[0022] The first gas inlet joint and the first oxygen inlet joint are arranged on the first support section with relatively high elevation, and the gas distribution valve is arranged on the second support section with relatively low elevation, so as to be arranged in space staggered, facilitating the arrangement of the soft pipe communication between the gas distribution valve and the joint, and providing the overall space utilization.

[0023] The molecular sieve connecting support provided by the present application integrates the first gas inlet joint and the first oxygen inlet joint on the support body, so as to be arranged integrally downward and longitudinally connected with the molecular sieve module.

[0024] The molecular sieve cylinder is arranged below the first support section, which improves the space utilization and makes the space distribution more reasonable.

[0025] The molecular sieve longitudinal connection structure is designed in a modular manner, and the second gas inlet joint, the second oxygen inlet joint and the molecular sieve cylinder are integrated together and longitudinally inserted through the interface between the molecular sieve and the support body, which is simple and efficient. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 The structure diagram of the molecular sieve connecting support in the present application is shown.

[0027] Figure 2 The position diagram of the gas distribution valve of the molecular sieve connecting support in the present application is shown.

[0028] Figure 3 The structure diagram of the molecular sieve connecting support in the present application is shown.

[0029] Figure 4 The assembly diagram of the molecular sieve connecting support and the molecular sieve module in the present application is shown.

[0030] Figure 5 The disassembly diagram of the molecular sieve connecting support and the molecular sieve module in the present application is shown.

[0031] Figure 6 The structure diagram of the molecular sieve module in the utility model is expressed.

[0032] Figure 7 The structure disassembly diagram of the molecular sieve shell in the utility model is expressed.

[0033] Figure 8 The position diagram of the molecular sieve connecting support in the oxygen generator main body in the utility model is expressed.

[0034] Figure 9 The effect display diagram of the molecular sieve connecting support in the oxygen generator main body in the utility model is expressed.

[0035] Wherein: 1, support main body; 11, first support section; 12, second support section; 121, first installation port; 122, second installation port; 13, connecting section; 130, adaptive concave surface; 2, first air inlet joint; 20, reinforcing rib; 21, first air inlet adapter; 22, first air inlet butt joint; 3, first oxygen joint; 31, first oxygen adapter; 32, first oxygen butt joint; 4, gas distribution valve; 5, molecular sieve module; 51, upper sieve cover; 52, lower sieve base; 521, pressure equalizing valve; 511, first ear plate; 53, molecular sieve cylinder; 54, second air inlet joint; 55, second oxygen joint; 56, molecular sieve shell; 561, first shell; 5610, first shell assembly hole; 562, second shell; 5620, second shell assembly hole; 5621, second ear plate; 563, air inlet grid; 5630, air inlet grid assembly hole; 6, oxygen generator main body; 61, air compression assembly; 62, oxygen storage tank. DETAILED DESCRIPTION

[0036] The following description is presented to enable any person skilled in the art to practice the present utility and to incorporate its teachings in specific applications. Various modifications, and changes can be made with respect to the embodiments described specifically herein, and the general principles described herein can be applied to a wide range of applications. Thus, the present utility is not intended to be limited to the embodiments described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0037] In the following detailed description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility. However, it will be apparent to one skilled in the art that the present utility can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring the present utility.

[0038] The reader's attention is directed to all papers and documents submitted herewith and made part of this specification, and the contents of all such papers and documents are incorporated herein by reference. All features disclosed in this specification, including any accompanying claims, abstract, and drawings, can be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. Thus, unless expressly stated otherwise, each feature disclosed in this specification is one example only of a generic series of equivalent or similar features.

[0039] Note that, where used, the terms left, right, front, back, top, bottom, normal, reverse, clockwise, and counterclockwise are used for convenience only, and do not imply any particular fixed direction. In fact, they are used to reflect the relative position and / or orientation between various parts of an object. In addition, the terms "first", "second" are used only for descriptive purposes and should not be construed as indicating or implying relative importance.

[0040] In the description of the present application, it should be explained that, unless otherwise expressly stated and limited, the terms "mounting", "connecting", "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection; it can be directly connected, or indirectly connected through intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Note that, where used, further, preferably, further preferably, and more preferably are simple beginnings of another embodiment based on the foregoing embodiment, and the combination of the contents after the further, preferably, further preferably, or more preferably with the foregoing embodiment is the complete constitution of another embodiment. The further, preferably, further preferably, or more preferably after the same embodiment can be arbitrarily combined to constitute another embodiment.

[0042] The present application will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the aspects described below in conjunction with the accompanying drawings and specific embodiments are only exemplary and should not be understood as limiting the scope of protection of the present application.

[0043] Example 1:

[0044] Please refer to Figures 1-5This embodiment provides a molecular sieve connection support, including a support body 1, a first air inlet connector 2, and a first oxygen connector 3. The support body 1 includes a first support section 11 with a relatively high elevation, a second support section 12 with a relatively low elevation, and a connecting section 13. The connecting section 13 connects the first support section 11 and the second support section 12. The second support section 12 is equipped with a gas distribution valve 4. A first air inlet connector 2 is located on the first support section 11. The first air inlet connector 2 has a first air inlet adapter 21 and a first air inlet connector 22 that are connected. The first air inlet adapter 21 is connected to the gas distribution valve 4 (the connection hose is not shown in the figure, but this is common knowledge of gas connection, so those skilled in the art should be able to understand it). The first air inlet connector 22 is arranged downwards for the molecular sieve module 5 to be inserted longitudinally for air intake. A first oxygen connector 3 is located on the first support section 11. The first oxygen connector 3 has a first oxygen adapter 31 and a first oxygen connector 32 that are connected. The first oxygen adapter 31 directly or indirectly supplies oxygen to the outside. The first oxygen connector 32 is arranged downwards for the molecular sieve module 5 to be inserted longitudinally for oxygen outlet. By arranging the first air inlet connector 2 and the first oxygen connector 3 on the first support section 11, which has a relatively higher elevation, and placing the gas distribution valve 4 on the second support section 12, which has a relatively lower elevation, the gas distribution valve 4 is arranged in a staggered manner in space, which facilitates the connection between the gas distribution valve 4 and the connector's hose and improves the overall space utilization. Furthermore, by integrating the first air inlet connector 2 and the first oxygen connector 3 into the support body 1, the entire assembly is aligned downwards and vertically connected to the molecular sieve module 5. This enables the modular installation of the molecular sieve and achieves a high degree of integration.

[0045] The above is necessary to achieve the technical objectives of this embodiment. The following is a detailed description in conjunction with the accompanying drawings and preferred embodiments:

[0046] To facilitate gas exchange and docking with external systems, and to adapt to the structure of general molecular sieve modules, please refer to the preferred embodiment of this example. Figure 1 and Figure 2 The first air inlet connector 2 is located in the middle of the first support section 11, and the first oxygen connector 3 is located at the edge of the first support section 11; the first air inlet adapter 21 and the first oxygen adapter 31 are arranged laterally. Furthermore, this embodiment adopts a column cap type connector, and reinforcing ribs 20 are provided between the first air inlet connector 2 and the first oxygen connector 3 and the first support section 11 to enhance the structural strength.

[0047] As described above, the air compressor assembly 61 and the oxygen storage tank 62 are also arranged in the oxygen generator main body 6, and the first mounting port 121 for mounting the air fan and the second mounting port 122 for mounting the oxygen storage tank 62 are arranged on the second support section 12 to facilitate the installation of the air fan and the oxygen storage tank 62. The first oxygen transfer port 31 directly or indirectly supplies oxygen to the outside, which means that the first oxygen transfer port 31 can be directly connected to the oxygen storage tank 62 through a hose or connected to the oxygen storage tank 62 through an oxygen injection valve. Specifically, to make the space layout more reasonable, the air inlet of the oxygen injection valve can be connected to the first oxygen transfer port 31, and an air outlet is additionally arranged on the end of the oxygen injection valve close to the oxygen storage tank 62 to be connected to the oxygen storage tank 62. The air outlet and the air inlet of the oxygen injection valve are always connected, and part of the oxygen output by the first oxygen transfer port 31 is delivered to the oxygen storage tank 62 through the oxygen injection valve.

[0048] Further, the gas distribution valve 4 is arranged on the second support section 12 close to the first air inlet joint 2 and the first oxygen joint 3. The embodiment aims to improve the structure of the molecular sieve connecting support and does not make principle improvement to the oxygen generator, so the function and principle of the gas distribution valve 4 in the oxygen generator are not described.

[0049] The beneficial effects of the embodiment are as follows:

[0050] The molecular sieve connecting support provided by the utility model arranges the first air inlet joint 2 and the first oxygen joint 3 on the first support section 11 with relatively high elevation, arranges the gas distribution valve 4 on the second support section 12 with relatively low elevation, and thus arranges the gas distribution valve 4 and the joints in a staggered manner in space, facilitates the arrangement of the hose connection between the gas distribution valve 4 and the joints, and provides overall space utilization.

[0051] The first air inlet joint 2 and the first oxygen joint 3 are integrated on the support main body 1 and thus integrally downward, and longitudinally connected to the molecular sieve module 5, so that the molecular sieve module is modularly installed and high-integration connection is realized.

[0052] The molecular sieve cylinder 53 is located below the first support section 11, the overall space utilization is improved, the space distribution is more reasonable, the second integrated docking seat of the molecular sieve module 5 is longitudinally inserted to complete the assembly, which makes the molecular sieve module 5 convenient to disassemble and replace, and the entire oxygen generator does not need to be disassembled, and the convenience of maintenance is greatly improved.

[0053] Embodiment 2:

[0054] Please combine Figures 1-9 The embodiment provides a molecular sieve longitudinal connection structure, which comprises a molecular sieve module 5 and a molecular sieve connecting support.

[0055] Wherein, please combine Figure 1 , Figure 2 and Figure 3 , the molecular sieve connecting bracket includes a bracket body 1, a first gas inlet joint 2 and a first oxygen joint 3. The bracket body 1 includes a first bracket section 11 with a relatively high elevation, a second bracket section 12 with a relatively low elevation, and a connecting section 13 connected between the first bracket section 11 and the second bracket section 12, and the second bracket section 12 is provided with a gas distribution valve 4; the first gas inlet joint 2 is provided on the first bracket section 11, and the first gas inlet joint 2 has a first gas inlet adapter 21 and a first gas inlet butt joint 22 connected in communication, the first gas inlet adapter 21 is communicated with the gas distribution valve 4 (the figure does not show the connecting hose, but this is common sense for gas communication, so those skilled in the art should be able to know), and the first gas inlet butt joint 22 is arranged to face downward to longitudinally plug in and communicate with the gas inlet of the molecular sieve module 5; the first oxygen joint 3 is provided on the first bracket section 11, and the first oxygen joint 3 has a first oxygen adapter 31 and a first oxygen butt joint 32 connected in communication, the first oxygen adapter 31 directly or indirectly supplies oxygen externally, and the first oxygen butt joint 32 is arranged to face downward to longitudinally plug in and communicate with the oxygen outlet of the molecular sieve module 5.

[0056] In order to facilitate the external gas exchange butt joint, the structure of the general molecular sieve module is adapted. As a preferred embodiment of the present embodiment, please refer to Figure 1 , the first gas inlet joint 2 is located at the middle position of the first bracket section 11, and the first oxygen joint 3 is located at the edge position of the first bracket section 11; the first gas inlet adapter 21 and the first oxygen adapter 31 are arranged transversely. Further, the present embodiment adopts a column cap type joint, and a reinforcing rib 20 is arranged between the first gas inlet joint 2 and the first oxygen joint 3 and the first bracket section 11 to strengthen the structural strength.

[0057] As described above, the oxygen generator body 6 also has an air compression assembly 61 (i.e. an air compressor assembly) and an oxygen storage tank 62, in order to facilitate the installation of the two, the second bracket section 12 is also provided with a first mounting port 121 for mounting a fan and a second mounting port 122 for mounting the oxygen storage tank 62.

[0058] In the present embodiment, the molecular sieve module 5 is designed in a modular manner, and the whole is assembled with the oxygen generator body 6. As a preferred embodiment of the present embodiment, please refer to Figure 5 , the molecular sieve module 5 at least includes an upper sieve cover 51, a lower sieve base 52 and a molecular sieve cylinder 53, and the molecular sieve cylinder 53 is installed between the upper sieve cover 51 and the lower sieve base 52. Specifically, the second gas inlet joint 54 and the second oxygen joint 55 are vertically arranged on the top of the upper sieve cover 51; the gas inlet and the oxygen outlet of the molecular sieve cylinder 53 are communicated with the second gas inlet joint 54 and the second oxygen joint 55, respectively. Further, please combine Figure 5 and Figure 8The side of the connecting section 13 facing the molecular sieve cylinder 53 is also formed with a matching concave surface 130 which is matched and adhered to the outer wall of the molecular sieve cylinder 53.

[0059] Further, please refer to Figure 5 and Figure 6 The second air inlet joint 54 and the second oxygen outlet joint 55 are arranged on the upper sieve cover 51. The second air inlet joint 54 is directly connected to the air inlet of the molecular sieve cylinder 53 through the upper sieve cover 51. Specifically, mounting grooves are arranged on the top and bottom of the outer shell side wall of the molecular sieve cylinder 53, and are respectively mounted between the upper sieve cover 51 and the lower sieve base 52 through screws. This is the structure of the molecular sieve module 5, and therefore is not marked in the drawings.

[0060] The molecular sieve module 5 in this embodiment presents an air inlet and oxygen outlet structure from top to bottom. In order to facilitate the integrated disassembly of the molecular sieve module 5, the second air inlet joint 54 is located in the middle region of the upper sieve cover 51, and the second oxygen outlet joint 55 is arranged in the edge region of the upper sieve cover 51. Further, the second oxygen outlet joint 55 is connected to the oxygen supply channel at the bottom of the molecular sieve cylinder 53 through a gas guide pipe (not shown, but its position can be inferred from the component to be connected). Specifically, the oxygen supply channel of the molecular sieve cylinder 53 is located at the bottom of the molecular sieve module 5, the bottom opening of the second oxygen outlet joint 55 extends out of the side of the molecular sieve cylinder 53, and is connected to the oxygen supply channel through the gas guide pipe. In actual implementation, as shown in Figure 6 , an equalizing valve 521 is arranged at the bottom of the lower sieve base 52, which connects the bottom oxygen outlet of the molecular sieve cylinder 53 and is connected to the second oxygen outlet joint 55 through a flexible hose for gas guide. The bottom oxygen outlet of the molecular sieve cylinder 53 is connected to the equalizing valve 521 through the lower sieve base 52, which is common knowledge.

[0061] The molecular sieve module 5 is modularly integrated and overall docked with the main body 6 of the oxygen generator, further, please refer to Figure 6 and Figure 7, the molecular sieve module 5 further comprises a molecular sieve shell 56, the shell comprising a first shell 561, a second shell 562 and an air inlet grille 563. The air inlet grille 563 is located between the first shell 561 and the second shell 562, and air inlet screens can be arranged on both sides of the air inlet grille 563 for air filtration. The oxygen generator main body 6 is in communication with the air inlet grille 563, and at least the air compression assembly 61 can maintain air inlet through the air inlet grille 563. Specifically, air inlet grille assembly holes 5630 are arranged on both sides of the air inlet grille 563, first shell assembly holes 5610 are arranged on the side of the first shell 561, and the first shell assembly holes 5610 are screw assembled with the air inlet grille assembly holes 5630 on one side of the air inlet grille 563. Similarly, second shell assembly holes 5620 are arranged on the side of the second shell 562, and the second shell assembly holes 5620 are screw assembled with the air inlet grille assembly holes 5630 on the other side of the air inlet grille 563. The first shell 561 and the second shell 562 are assembled through the second ear plate 5621. Specifically, the first shell 561 is an L-shaped structure, and the second ear plate 5621 is arranged on the second shell 562 and screw assembled to the bottom of the first shell 561.

[0062] Further, the upper sieve cover 51 is installed with the molecular sieve shell 56 through the first ear plate 511 arranged on the upper sieve cover 51 or the lower sieve base 52 and screw assembled to the molecular sieve shell 56.

[0063] The beneficial effects of the embodiment are as follows:

[0064] The molecular sieve vertical connection structure is modularly designed to integrate the upper sieve cover 51, the lower sieve base 52, the second air inlet connector 54, the second oxygen connector 55 and the molecular sieve cylinder 53 into the molecular sieve module 5, and the molecular sieve module 5 is vertically inserted with the interface on the support main body 1, so that the molecular sieve module 5 is quickly disassembled and assembled, the convenience of quick disassembly is improved, the assembly time of the oxygen generator is shortened, and the work efficiency is improved.

[0065] The above embodiments of the present application are described in detail in combination with the drawings, and those skilled in the art can make various changes to the present application according to the above description. Therefore, some details in the embodiments should not constitute a limitation on the present application, and the scope of protection of the present application is defined by the appended claims.

Claims

1. A molecular sieve attachment bracket, characterized by, The application relates to a molecular sieve connecting support, which comprises a support body, a gas distribution valve arranged on the support body, a first gas inlet joint arranged on the first support section, a first oxygen joint arranged on the first support section, and a molecular sieve module. The first gas inlet joint is arranged at the middle position of the first support section, and the first oxygen joint is arranged at the edge position of the first support section; the first gas inlet joint and the first oxygen joint are arranged transversely. The first gas inlet joint and the first oxygen joint are respectively provided with reinforcing ribs between the first gas inlet joint and the first support section and between the first oxygen joint and the first support section. The application further relates to a molecular sieve module and the molecular sieve connecting support.

2. The molecular sieve joint hanger of Claim 1 wherein, The molecular sieve module comprises an upper sieve cover, a lower sieve base and a molecular sieve cylinder; the molecular sieve cylinder is arranged between the upper sieve cover and the lower sieve base; the second gas inlet joint and the second oxygen joint are arranged on the upper sieve cover.

3. The molecular sieve joint hanger of Claim 1 wherein, The second gas inlet joint is arranged at the middle region of the upper sieve cover; the second oxygen joint is arranged at the edge region of the upper sieve cover.

4. A molecular sieve vertical connection structure, characterized in that, The second oxygen joint is connected to the oxygen supply channel at the bottom of the molecular sieve cylinder through a gas guide pipe.

5. The molecular sieve vertical placement connection of claim 4, wherein, The oxygen supply channel of the molecular sieve cylinder is arranged at the bottom of the molecular sieve module; the bottom opening of the second oxygen joint extends outside the molecular sieve cylinder and is connected to the oxygen supply channel through the gas guide pipe.

6. The molecular sieve vertical placement connection of claim 5, wherein, The side of the connecting section facing the molecular sieve cylinder is further formed with an adaptive concave surface which is adapted to and fitted to the outer wall of the molecular sieve cylinder.

7. The molecular sieve vertical placement connection of claim 6, wherein, The second support section is further provided with a first mounting hole for mounting a fan and a second mounting hole for mounting an oxygen storage tank.

8. The molecular sieve vertical placement connection of Claim 7, wherein, ​ 9. The molecular sieve vertical placement connection of claim 5, wherein, ​ 10. The molecular sieve vertical placement connection of claim 4, wherein, ​

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