Oxygen generator with detachable molecular sieve module

Abstract

The utility model discloses an oxygen generator with a detachable molecular sieve module, which comprises a main bracket, a plurality of molecular sieve modules, a plurality of molecular sieve modules and an oxygen generator, the molecular sieve module is detachably mounted in an area between one side of the vertical frame part and the base part; a vertical sliding rail structure capable of realizing clamping and embedding is arranged between the vertical frame part and the molecular sieve module; a connecting and fixing structure and an air guide structure are arranged between the molecular sieve module and the base part; the air guide structure is provided with an air receiving port extending downwards along the molecular sieve module, and an air receiving seat arranged on the base part and matched with the air receiving port; and after the molecular sieve module is installed and fixed, the air connecting port is connected with the air connecting seat in a sealing manner. The vertical sliding rail structure provides guiding and preliminary positioning for installation of the molecular sieve module on the vertical frame part. During installation, an operator only needs to vertically slide the molecular sieve module along the slide rail structure, so that the molecular sieve module can quickly reach an approximate installation position, and the adjustment time and difficulty in the installation process are greatly reduced. And after the molecular sieve module slides in place, the connecting and fixing structure can quickly and firmly fix the molecular sieve module on the main bracket to finish the mounting process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oxygen generator technical field, concretely relates to an oxygen generator with detachable molecular sieve module. BACKGROUND

[0002] Molecular sieve type oxygen generator is the equipment that extracts oxygen from air based on pressure swing adsorption (PSA) technology. It uses molecular sieve physical adsorption and desorption technology to fill molecular sieve in the molecular sieve tank of the oxygen generator. Nitrogen in air can be adsorbed when pressurized, and the unadsorbed oxygen is collected and becomes high-purity oxygen after purification. The specific working process is that the outside air enters the air compressor after filtration, and then enters the molecular sieve tank through the switching valve. In the molecular sieve tank, nitrogen is adsorbed by the molecular sieve, and oxygen is accumulated at the top of the adsorption tower and then enters the oxygen storage tank. The finished gas is filtered through the pressure stabilizing valve and the dust and bacteria removing filter to obtain qualified medical oxygen. Generally, the oxygen generator is equipped with two molecular sieve tanks, which are alternately pressurized and exhausted by the switching valve, so that the two molecular sieve tanks work cyclically to realize continuous oxygen supply of the oxygen generator.

[0003] The molecular sieve tank is one of the core components inside the oxygen generator. Currently, when the molecular sieve cannot work normally, the user can only replace the entire oxygen generator. Therefore, the user's use of the oxygen generator is limited, and the use cost is high. Especially with the progress of technology and changes in market demand, oxygen generators are increasingly becoming smaller. However, the working life of the molecular sieve of a small oxygen generator is much lower than that of the molecular sieve of a traditional large oxygen generator. Therefore, the entire molecular sieve tank needs to be replaced when the molecular sieve reaches its working life. Due to the limitations of the structure of the traditional molecular sieve tank, the process of replacing the molecular sieve tank is relatively complicated. The machine shell of the oxygen generator needs to be opened, and the pipeline needs to be replaced. Only professional after-sales maintenance personnel can operate it.

[0004] The above information disclosed in the background of the application is only used to increase the understanding of the background of the application, and therefore, it can include prior art known by those skilled in the art. SUMMARY

[0005] The utility model discloses in view of above-mentioned problem in the prior art, propose a kind of oxygen generator with detachable molecular sieve module, by being equipped with the sliding rail structure of carding structure to avoid gas connection and gas seat When connecting, it will cause interface to occur lateral deviation and cause gas leakage problem due to uneven stress;While the structure of verticality also ensures its accurate alignment, relative to horizontal installation mode, there is no interference factor of gravity center deviation, to ensure the reliability of the combination between molecular sieve module and main support.

[0006] To realize the above-mentioned utility model purposes, the utility model adopts the following technical solutions to realize:

[0007] An oxygen generator with detachable molecular sieve module, comprising:

[0008] A main support with a base part, a vertical support part arranged on the base part;

[0009] A molecular sieve module detachably mounted between one side of the vertical support part and the region between the base part;

[0010] A vertical and clamping sliding rail structure is arranged between the vertical support part and the molecular sieve module;

[0011] A connecting and fixing structure and a gas guide structure are arranged between the molecular sieve module and the base part;

[0012] The gas guide structure has a gas inlet port extending downward along the molecular sieve module, and a gas inlet seat arranged on the base part and matched with the gas inlet port;

[0013] After the molecular sieve module is mounted and fixed, the gas inlet port and the gas inlet seat are sealingly connected.

[0014] In some embodiments of the present application, the sliding rail structure has a sliding groove arranged on one of the molecular sieve module and the vertical support part, and a sliding plate arranged on the other one of the molecular sieve module and the vertical support part; the molecular sieve module has an inner side wall close to the vertical support part, and the sliding plate is arranged in parallel with the inner side wall.

[0015] In some embodiments of the present application, the sliding rail structure has a plurality of sliding plates arranged in an upper and lower interval; the sliding groove has a sliding groove edge arranged in parallel with the sliding plate and used for blocking the sliding plate to prevent it from falling out, and a plurality of avoiding grooves are arranged on the sliding groove edge for mounting the sliding plate to the sliding groove.

[0016] In some embodiments of the present application, the inner side wall has an inner wall body, a convex groove structure extending along the inner wall body and towards the vertical support part, the sliding groove edge is connected to a vertical groove edge of the convex groove structure, and the sliding groove edge, the vertical groove edge and the inner wall body form the sliding groove.

[0017] In some embodiments of the present application, the sliding rail structure further has a connecting plate connecting the vertical support part and the sliding plate, and the connecting plate is arranged outside the sliding groove edge.

[0018] In some embodiments of the present application, the convex groove structure further has a groove bottom arranged in connection with the vertical groove edge, and a plurality of reinforcing rib plates arranged in an upper and lower interval between the groove bottom and the vertical groove edge.

[0019] In some embodiments of the present application, the vertical frame part has a vertical frame, an outer plate arranged outside the vertical frame, and a limiting edge arranged at one end of the outer plate close to the inner side wall and bent inward for limiting installation of the inner side wall; the slide rail structure is arranged between the vertical frame and the inner side wall.

[0020] In some embodiments of the present application, the vertical frame has a clearance for the convex groove structure to extend into, and during installation of the molecular sieve module, the slide plate passes through the clearance, and the convex groove structure is located in the clearance.

[0021] In some embodiments of the present application, the molecular sieve module has a U-shaped shell, the outer plate is provided with an installation slot, the U-shaped shell is provided with an installation convex extending towards the vertical frame part, and the installation convex is located in the installation slot.

[0022] In some embodiments of the present application, the base part is provided with a button for releasing the connecting and fixing structure, an installation hole for installing the button is formed in the bottom surface of the base part, and the button is located in the installation hole and can move up and down;

[0023] The connecting and fixing structure has two clamping claws arranged downward along the molecular sieve module, two clamping openings matched with the two clamping claws are formed in the base part, the button can push the two clamping claws away from each other to release the clamping between the clamping claws and the clamping openings.

[0024] In some embodiments of the present application, the connecting and fixing structure has a fastener arranged on the base part and a fastening hole matched with the fastener and formed in the molecular sieve module; the air connection base is provided with a through hole penetrating upward and downward and used for the fastener to pass through.

[0025] In some embodiments of the present application, the fastener has a fastening column and a handle located at the lower end of the fastening column, and the lower end of the base part is provided with a containing groove for containing the handle.

[0026] In some embodiments of the present application, the air connection port includes a molecular sieve air inlet port and a molecular sieve oxygen outlet port, and the outer end surfaces of the two are flush and sleeved with a sealing gasket.

[0027] Compared with existing technologies, the advantages and positive effects of this utility model are as follows: First, the vertical slide rail structure provides guidance and initial positioning for the installation of the molecular sieve module on the vertical frame. During installation, the operator only needs to slide the molecular sieve module vertically along the slide rail structure to quickly reach the approximate installation position, greatly reducing the adjustment time and difficulty during installation. The connecting and fixing structure can quickly and firmly fix the molecular sieve module to the main support after it has slid into place, completing the installation process. During disassembly, the connecting and fixing structure is first released, and then the molecular sieve module is slid out along the slide rail structure, making the entire loading and unloading process simple and efficient. Second, the slide rail structure and the connecting and fixing structure work together to constrain and fix the molecular sieve module from multiple directions; the slide rail structure restricts the movement of the molecular sieve module vertically, while the connecting and fixing structure further tightens the molecular sieve module horizontally, ensuring the stability of the molecular sieve module on the main support. Third, after the molecular sieve module is installed and fixed, the gas inlet and gas seat can be sealed together, ensuring the airtightness of gas transmission between the molecular sieve module and the base.

[0028] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the structure of an embodiment of an oxygen generator with a detachable molecular sieve module proposed in this utility model;

[0031] Figure 2 for Figure 1 A structural diagram of a disassembled molecular sieve module;

[0032] Figure 3 for Figure 2 Enlarged structural diagram of region A in the middle;

[0033] Figure 4 This is a schematic diagram of a molecular sieve module.

[0034] Figure 5 for Figure 1 A schematic diagram of a transverse cross-section structure;

[0035] Figure 6 for Figure 5 A magnified structural diagram of region B in the middle;

[0036] Figure 7 For Figure 6 a vertical front and rear sectional view structural schematic diagram;

[0037] Figure 8 For Figure 1 a vertical front and rear sectional view structural schematic diagram;

[0038] Figure 9 For Figure 8 a zoomed-in structural schematic diagram of the C region;

[0039] Figure 10 For a structural schematic diagram of the main support;

[0040] Figure 11 For Figure 1 a vertical left and right sectional view structural schematic diagram;

[0041] Figure 12 For Figure 11 a zoomed-in structural schematic diagram of the D region;

[0042] Figure 13 For Figure 11 a structural schematic diagram of the molecular sieve module;

[0043] Figure 14 For Figure 13 a zoomed-in structural schematic diagram of the E region;

[0044] Figure 15 For a structural schematic diagram of another embodiment of the connecting and fixing structure;

[0045] Figure 16 For Figure 15 a structural schematic diagram after removing the fastener;

[0046] Figure 17 For Figure 15 a structural schematic diagram of the fastener;

[0047] Wherein, the oxygen generator 100;

[0048] The main support 10; the base part 11; the gas connection seat 114; the through hole 1141; the containing groove 115; the connecting hole 116; the vertical support part 12; the vertical frame 120; the sliding plate 121; the connecting plate 122; the avoiding opening 123; the outer plate 125; the limiting edge 1251; the installation slot 1252; the clamping opening 15; the button 16; the installation hole 19; the installation cylinder 191;

[0049] Molecular sieve module 30; inner side wall 31; inner wall body 310; convex groove structure 311; vertical groove edge 3111; groove bottom 3112; reinforcing rib plate 3113; sliding groove 312; sliding groove edge 3121; avoiding groove notch 3122; U-shaped shell 32; mounting convex 321; gas connection port 34; air inlet port 341; oxygen outlet port 342; clamping claw 35; fastening hole 36; sealing washer 37;

[0050] Fastener 40; fastening column 41; handle 42. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application.

[0052] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the position relationship shown in the drawings. The terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; the features with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0053] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of 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.

[0054] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include the first and second features directly contacting, or can include the first and second features not directly contacting but contacting through another feature between them. Moreover, the first feature is "on", "above" and "on the surface" of the second feature, which includes the first feature being directly above and obliquely above the second feature, or only indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature is "under", "below" and "under" the second feature, which includes the first feature being directly below and obliquely below the second feature, or only indicating that the horizontal height of the first feature is less than that of the second feature.

[0055] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0056] As long as possible, the various aspects and features described and illustrated in the specification can be applied individually, and these individual aspects can be the subject of a divisional application.

[0057] Referring to Figures 1-17 It is an embodiment of the oxygen generator with detachable molecular sieve module provided by the present application, and the oxygen generator 100 with detachable molecular sieve module comprises a main support 10 and a molecular sieve module 30, and the molecular sieve module 30 is detachably installed on the main support 10. The main support 10 has a base part 11 and a vertical support part 12 arranged on the base part 11; the molecular sieve module 30 is detachably installed between the vertical support part 12 and the base part 11. A vertical and clamping sliding rail structure is arranged between the vertical support part 12 and the molecular sieve module 30. A connecting and fixing structure and a gas guiding structure are arranged between the molecular sieve module 30 and the base part 11; the gas guiding structure has a gas inlet 34 extending downward along the molecular sieve module 30, and a gas seat 114 arranged on the base part 11 and matched with the gas inlet 34; after the molecular sieve module 30 is installed and fixed, the gas inlet 34 and the gas seat 114 are sealingly connected.

[0058] Referring to Figures 11-14As shown, the gas connection port 34 has two, the molecular sieve gas inlet port 341 and the molecular sieve oxygen outlet port 342, and the outer end faces of the two are flush, that is, the lower ends of the gas inlet port 341 and the oxygen outlet port 342 are flush. The outer side of the gas inlet port 341 and the oxygen outlet port 342 is sleeved with a sealing gasket 37. The molecular sieve gas inlet port 341 is used to connect with the gas outlet end of the compressor, and the molecular sieve oxygen outlet port 342 is used to connect with the oxygen storage tank. The outer end faces of the gas inlet port 341 and the oxygen outlet port 342 are flush, which can more intuitively connect the operation, without complex adjustment of factors such as height difference of the interface, and the flush interface can more easily align the pipeline of the compressor gas outlet end with the gas inlet port 341, and align the connecting pipeline of the oxygen outlet port 342 and the oxygen storage tank, reducing installation time and error probability. The outer side of the gas inlet port 341 and the oxygen outlet port 342 is sleeved with a sealing gasket 37, which can effectively prevent gas leakage and increase the sealing property.

[0059] The beneficial effects of the embodiment are: first, the vertical slide rail structure provides guidance and preliminary positioning for the installation of the molecular sieve module 30 on the vertical frame part 12. During installation, the operator only needs to vertically slide the molecular sieve module 30 along the slide rail structure to quickly reach the approximate installation position, greatly reducing the adjustment time and difficulty during installation. The connecting and fixing structure can quickly and firmly fix the molecular sieve module 30 on the main support 11 after sliding into position, completing the installation process. When disassembling, first release the connecting and fixing structure, then slide the molecular sieve module 30 out along the slide rail structure, the whole process is simple and efficient. Second, the slide rail structure and the connecting and fixing structure cooperate with each other, through the side slide rail structure and the bottom connecting and fixing structure, the precise positioning and firm fixing of the molecular sieve module 30 are realized, and the molecular sieve module 30 is constrained and fixed from multiple directions; the slide rail structure limits the movement of the molecular sieve module 30 in the vertical direction, and the connecting and fixing structure further tightens the molecular sieve module 30 in the horizontal direction, ensuring the stability of the molecular sieve module 30 on the main support 11; third, after the molecular sieve module 30 is installed and fixed, the gas connection port 34 and the gas seat 114 can be sealed and connected, ensuring the sealing property of the gas transmission between the molecular sieve module 30 and the base part 11.

[0060] In some embodiments of the present application, the slide rail structure has a slide groove 312 arranged on the molecular sieve module 30 and a slide plate 121 arranged on the vertical frame part 12, and the slide groove 312 and the slide plate 121 are engaged with each other; the molecular sieve module 30 has an inner side wall 31 close to the vertical frame part 12, and the slide plate 121 is arranged in parallel with the inner side wall 31. When the molecular sieve module 30 is installed, the slide plate 121 arranged on the vertical frame part 12 cooperates with the slide groove 312 arranged on the inner side wall 31 of the molecular sieve module 30. Since the slide plate 121 is arranged in parallel with the inner side wall 31, the molecular sieve module 30 can be smoothly moved up and down along the slide plate 121, and the installation direction is accurately guided; and after the molecular sieve module 30 is installed, the slide plate 121 can provide effective lateral support force for the molecular sieve module 30.

[0061] In some embodiments of the present application, the slide rail structure has a plurality of slide plates 121 arranged in an up-down interval; the slide groove 312 has a slide groove edge 3121 arranged in parallel with the slide plate 121 and used for blocking the slide plate 121 to prevent it from falling out, and a plurality of avoiding grooves 3122 are arranged on the slide groove edge 3121 and used for installing the slide plate 121 into the slide groove 312. By arranging the plurality of slide plates 121 and the avoiding grooves 3122, the slide groove 312 is embeddedly installed with the slide plate 121, and the moving distance of the molecular sieve module 30 in the up-down direction during installation or disassembly is greatly shortened, and the slide plate 121 can be inserted into or separated from the slide groove 312 only by moving the molecular sieve module 30 to the height of one avoiding groove 3122 at the lower part of the slide groove 312. The shorter moving distance reduces the requirement for the operation space, and the control of the molecular sieve module 30 during the operation process is easier; and the avoiding structure for avoiding the slide groove 312 arranged at the top end of the vertical frame part 12 can be avoided.

[0062] In some embodiments of the present application, the inner side wall 31 has an inner wall body 310 and a convex groove structure 311 extending from the inner wall body 310 to the vertical frame part 12, the slide groove edge 3121 is connected to a vertical groove edge 3111 of the convex groove structure 311, and the slide groove edge 3121, the vertical groove edge 3111 and the inner wall body 310 form the slide groove 312. The convex groove structure 311 is arranged to increase the structural strength of the inner side wall 31 and form the slide rail structure engaged with each other. The surrounding structure of the slide groove 312 can strictly limit the moving direction of the slide plate 121, and facilitate the accurate butt joint of the connecting and fixing structure and the air guiding structure during the installation and disassembly process.

[0063] In some embodiments of the present application, the slide rail structure further has a connecting plate 122 connecting the vertical frame part 12 and the slide plate 121, and the connecting plate 122 is arranged outside the slide groove side 3121. The connecting plate 122 is arranged outside the slide groove side 3121, so that the slide groove side 3121 moves in the groove surrounded by the connecting plate 122 and the slide plate 121, and is clamped with each other, which is beneficial to increase the stability of the slide rail structure.

[0064] In some embodiments of the present application, the convex groove structure 311 further has a groove bottom 3112 connected with the vertical groove side 3111, and a plurality of reinforcing rib plates 3113 are arranged between the groove bottom 3112 and the vertical groove side 3111. The reinforcing rib plates 3113 are arranged, which is beneficial to increase the structural strength of the convex groove structure 311 and the structural strength of the slide groove 312.

[0065] In some embodiments of the present application, the vertical frame part 12 has a vertical frame 120, an outer plate 125 arranged outside the vertical frame 120, and an inwardly bent limiting edge 1251 arranged at one end of the outer plate 125 close to the inner side wall 31, which is used for limiting when the inner side wall 31 is installed. When the molecular sieve module 30 approaches the vertical frame 120, the slide plate 121 extends into the avoiding groove 3122, and after the inner wall body 310 reaches the limiting edge 1251, the movement of the vertical frame 120 close to the molecular sieve module 30 is in place; then the molecular sieve module 30 is moved downward, so that the slide plate 121 moves downward into the slide groove 312; after moving downward in place, the clamping of the connecting and fixing structure and the connection of the air guiding structure are realized. The slide rail structure is arranged between the vertical frame 120 and the inner side wall 31, which avoids the influence of the stress of the slide rail structure on the appearance surface, and the outer plate 125 is a decorative plate.

[0066] In some embodiments of the present application, the vertical frame 12 has an avoiding opening 123 for the convex groove structure 311 to extend into. The molecular sieve module 30 has a U-shaped shell 32, and the U-shaped shell 32 and the inner side wall 31 surround to form the outer peripheral wall of the molecular sieve module 30. An installation groove 1252 is arranged on the outer plate 125, and an installation protrusion 321 extending toward the vertical frame part 12 is arranged on the U-shaped shell 32, and the installation protrusion 321 is located in the installation groove 1252. By arranging the installation protrusion 321 and the installation groove 1252, the structural cooperation between the U-shaped shell 32 and the outer plate 125 is facilitated, and the gap therebetween is reduced. During the loading and unloading process of the upward and downward movement of the molecular sieve module 30, the installation protrusion 321 moves in the installation groove 1252.

[0067] There are various embodiments for the connecting and fixing structure between the base part 11 and the molecular sieve module 30, which is described in detail in the following. Figure 4 、 Figures 8-10For an embodiment of the connecting and fixing structure, a button 16 for releasing the connecting and fixing structure is arranged on the base part 11, a mounting hole 19 for mounting the button 16 is formed on the bottom surface of the base part 11, a mounting cylinder 191 extending upward along the edge of the mounting hole 19 is arranged, and the button 16 is arranged in the mounting cylinder 191 and can move up and down. When the button 16 moves for releasing the clamping operation, the mounting cylinder 191 can limit the button 16 to move only in the up-down direction, avoiding irregular movement such as deviation or shaking of the button 16.

[0068] In some embodiments of the present application, the connecting and fixing structure has two clamping claws 35 extending downward along the molecular sieve module 30, two clamping openings 15 matching the two clamping claws 35 are formed on the base part 11, and the button 16 can push the two clamping claws 35 away from each other to release the clamping between the clamping claws 35 and the clamping openings 15. The clamping claws 35 extend downward, realizing the clamping operation of the clamping claws 35 and the clamping openings 15 while the molecular sieve module 30 moves downward along the slide rail structure, so that the installation and removal operation of the molecular sieve module 30 is simple. When installing the molecular sieve module 30, the claw parts 351 of the two clamping claws 35 are clamped with the corresponding clamping openings 15, so that the molecular sieve module 30 can be fixed from two opposite directions, which is beneficial to enhance the fixing stability. The button 16 can cooperate with the two claw parts 351 at the same time, greatly improving the disassembly efficiency. When disassembling, the button 16 can simultaneously act on the two claw parts 351 to release the clamping state of the two clamping claws 35, preventing deformation or damage of the components due to uneven force, so that the entire installation and disassembly process is smoother and more stable.

[0069] Referring to Figures 15-17 For another embodiment of the connecting and fixing structure, the connecting and fixing structure has a fastener 40 arranged on the base part 11 and a fastening hole 36 formed on the molecular sieve module 30, and the fastening hole 36 is arranged to match the fastener 40. A rotating locking structure is adopted between the fastening hole 36 and the fastener 40, which can be arranged as a threaded hole for the fastening hole 36 and a matching external thread on the upper end of the fastener 40. The threaded connection can tightly fix the molecular sieve module 30 and the base part 11 together, effectively preventing the molecular sieve module 30 from loosening, shifting, etc. during use, and ensuring the stability of the overall structure. Other rotating locking structures can also be used.

[0070] The fastener 40 is arranged up and down, and the gas connection seat 114 is provided with a through hole 1141 for the fastener 40 to pass through. The fastener 40 passes through the gas connection seat 114, which is beneficial to the firmness of the molecular sieve module 30 after installation and fixation, ensures the stability of the gas connection seat 114 after the gas connection port 34 is inserted into the gas connection seat 114, and avoids the problem of gas leakage due to unstable connection of the gas connection port, which affects the normal operation of the equipment.

[0071] The fastener 40 has a fastening column 41 and a handle 42 arranged at the lower end of the fastening column 41. The base 11 is provided with a receiving groove 115 for accommodating the handle 42. The receiving groove 115 provides a space for the handle 42, so that the structure is more compact and reasonable. A connecting hole 116 is arranged between the through hole 1141 and the receiving groove 115, and the through hole 1141 and the connecting hole 116 are coaxially arranged. The fastener 40 passes through the receiving groove 115, the connecting hole 116 and the through hole 1141 from bottom to top, and is then fastened into the fastening hole 36, so that the fastener 40 can be smoothly installed in a reasonable order, and the whole connection and fixation process can be efficiently and accurately completed.

[0072] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or replace some of the technical features with equivalent ones. The modifications or replacements do not change the essence of the corresponding technical solutions, and do not deviate from the spirit and scope of the technical solutions claimed by the present application.

Claims

1. An oxygen generator having a detachable molecular sieve module, characterized by, The application relates to a vertical frame and a molecular sieve module. The application comprises: a main support with a base part, a vertical frame part arranged on the base part; a molecular sieve module which is detachably arranged between one side of the vertical frame part and the area between the base part; a vertical and clamping sliding rail structure arranged between the vertical frame part and the molecular sieve module; a connecting and fixing structure and a gas guiding structure arranged between the molecular sieve module and the base part; the gas guiding structure has a gas receiving port extending downward along the molecular sieve module, and a gas receiving seat arranged on the base part and matched with the gas receiving port; 2. The oxygen generator according to claim 1, characterized in that after the molecular sieve module is fixed, the gas receiving port and the gas receiving seat are in sealed connection.

3. The oxygen generator according to claim 2, characterized in that the sliding rail structure has a sliding groove arranged on one of the molecular sieve module and the vertical frame part, and a sliding plate arranged on the other of the molecular sieve module and the vertical frame part; the molecular sieve module has an inner side wall close to the vertical frame part, and the sliding plate is arranged in parallel with the inner side wall.

4. The oxygen generator according to claim 3, characterized in that the sliding rail structure has a plurality of sliding plates arranged in upper and lower intervals; the sliding groove has a sliding groove edge arranged in parallel with the sliding plates and used for blocking the sliding plates to prevent the sliding plates from falling out, and a plurality of avoiding grooves are arranged on the sliding groove edge and used for mounting the sliding plates to the sliding groove.

5. The oxygen generator according to claim 4, wherein the inner side wall has an inner wall body, a convex groove structure extending along the inner wall body and towards the vertical frame part, the sliding groove edge is connected to the vertical groove edge of the convex groove structure, and the sliding groove edge, the vertical groove edge and the inner wall body form the sliding groove.

6. The oxygen generator according to claim 4, wherein the sliding rail structure further has a connecting plate connecting the vertical frame part and the sliding plate, and the connecting plate is arranged outside the sliding groove edge; the convex groove structure further has a groove bottom connected to the vertical groove edge, and a plurality of reinforcing rib plates are arranged in upper and lower intervals between the groove bottom and the vertical groove edge.

7. The oxygen generator according to claim 6, characterized in that the vertical frame part has a vertical frame, an outer plate arranged outside the vertical frame, and a limiting edge arranged at one end of the outer plate close to the inner side wall and bent inward and used for limiting the installation of the inner side wall; the sliding rail structure is arranged between the vertical frame and the inner side wall.

8. The oxygen generator according to any one of claims 1 to 7, characterized in that the vertical frame has an avoiding port used for the convex groove structure to extend into; the molecular sieve module has a U-shaped shell, a mounting groove is arranged on the outer plate, the U-shaped shell is provided with a mounting convex extending towards the vertical frame part, and the mounting convex is arranged in the mounting groove.

9. The oxygen generator according to claim 8, characterized in that a button is arranged on the base part and used for releasing the connecting and fixing structure, a mounting hole is arranged on the bottom surface of the base part and used for mounting the button, and the button can move up and down in the mounting hole. the connecting and fixing structure has two clamping claws arranged downward along the molecular sieve module, two clamping ports are arranged on the base part and matched with the two clamping claws, and the button can push the two clamping claws away from each other to release the clamping between the clamping claws and the clamping ports.

10. The oxygen generator according to any one of claims 1 to 7, characterized in that The connecting and fixing structure has a fastener arranged on the base part and a fastening hole arranged on the molecular sieve module and matched with the fastener; a through hole is arranged on the gas inlet base and penetrates the gas inlet base from top to bottom and is used for the fastener to pass through; the fastener has a fastening column and a handle arranged at the lower end of the fastening column; a containing groove is arranged at the lower end of the base part and is used for containing the handle.

11. The oxygen generator according to any one of claims 1 to 7, characterized in that The gas inlet port includes a molecular sieve gas inlet port and a molecular sieve oxygen outlet port, and the outer end faces of the two are flush and are sleeved with a sealing gasket.

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