Quick replacement structure of molecular sieve group of oxygen generator

Abstract

The utility model relates to the technical field of oxygen generators, and discloses a quick replacement structure of a molecular sieve group of an oxygen generator, which comprises a mounting bin, a tank body, an upper end cover, a joint, a lower end cover, a mounting seat and a clamping block. The mounting bin comprises an air inlet duct, an air outlet duct and a clamping groove. During use, after the clamping blocks are moved out of the clamping grooves, the mounting base is pulled outwards, the lower end cover, the tank body and the upper end cover can be driven to be moved out of the interior of the mounting bin, and the dismounting work is completed. The connectors can be inserted into the air inlet hole channel and the air outlet hole channel respectively by pushing the installation base inwards. And then, after the clamping blocks are inserted into the clamping grooves, the limiting effect can be achieved, and the installation work is completed. The whole dismounting process is convenient, the molecular sieve is convenient to replace, and manpower and material resources are saved. Moreover, the mounting seat, the lower end cover, the tank body, the upper end cover and the like are positioned in the independent space in the mounting bin, so that the contact with other core elements of the oxygen generator can be avoided in the dismounting process, and the risk of damaging other core elements is eliminated.

Description

Technical Field

[0001] The present application relates to the technical field of oxygen concentrators, for example, to a quick replacement structure of a molecular sieve group of an oxygen concentrator. Background Art

[0002] Pressure swing adsorption (PSA) oxygen concentrators can use air as raw material, and use molecular sieve pressure swing adsorption process to separate nitrogen and oxygen to extract oxygen and provide it to oxygen users. Molecular sieve is the core raw material inside the oxygen concentrator. When the molecular sieve reaches its service life or is damaged, it needs to be replaced. At present, most oxygen concentrators on the market are integrated. Usually, the oxygen concentrator needs to be disassembled as a whole to replace the molecular sieve component. This process is time-consuming and labor-intensive. For this reason, the related art (Announcement No.: CN216946215U) discloses an oxygen concentrator that is convenient for replacing molecular sieves, including a plastic shell and a molecular sieve. The plastic shell is provided with an installation port for the molecular sieve to pass through, and the shape of the installation port is convex. The molecular sieve includes an upper pressure plate, a cylinder and a lower pressure plate. The upper pressure plate is fixedly connected to the plastic shell, and the upper pressure plate is provided with multiple positioning pins at equal intervals along the circumferential direction. The top of the cylinder is provided with multiple positioning holes used in conjunction with the multiple positioning pins respectively. The bottom of the cylinder is bolted to the lower pressure plate, and the plastic shell is also bolted to a pressure cover for sealing the mounting port. The pressure cover is provided with a slot, and the lower pressure plate is clamped to the slot.

[0003] In the process of implementing the above embodiments, it was found that there are at least the following problems in the related art:

[0004] This oxygen concentrator, which allows for easy molecular sieve replacement, allows the cylinder to be pulled out of the plastic housing by removing the gland, eliminating the need to disassemble the housing, making molecular sieve replacement more convenient. However, because the molecular sieve remains inside the plastic housing alongside other core components, rather than being isolated from them, there is a risk of accidentally damaging other core components during removal and replacement.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in this field. Utility Model Content

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The embodiments of the present disclosure provide a quick replacement structure for a molecular sieve group of an oxygen concentrator to solve the problems raised in the above background technology.

[0008] 4. The diaphragm of claim 1, wherein the diaphragm has an inlet and an outlet, and the outlet is located on a top side of the diaphragm, the outlet being received by the user via the outlet pipe. The diaphragm has an inlet and an outlet located on a top side of the diaphragm. The outlet is located on a bottom side of the diaphragm.

[0009] Optionally, it also includes: a limiting ring, located inside the mounting seat and connected to the center of the bottom wall of the mounting seat; a spring, installed between the blocking block and the limiting ring along the sliding direction of the blocking block relative to the mounting seat; wherein, under the elastic force of the spring, the blocking block is inserted into the interior of the slot.

[0010] Optionally, it also includes: a pillar, which is slidably arranged through the bottom wall of the mounting seat and the limiting ring; a clamping plate, which is installed on the top of the pillar and is located inside the mounting seat, the clamping block includes an inner bevel groove, the clamping plate includes an outer bevel hook, and the bottom of the outer bevel hook is located at the top of the inner bevel groove; wherein, as the bottom of the outer bevel hook moves to the bottom of the inner bevel groove, the clamping block moves out of the clamping slot.

[0011] Optionally, it further includes: a handle, which is installed at the bottom end of the pillar, fits against the bottom wall of the mounting seat, and is located outside the mounting seat.

[0012] Optionally, it further includes: a screw, which passes through the mounting seat and is threadedly connected to the lower end cover.

[0013] Optionally, it further includes: a sealing ring, which is respectively installed between the air inlet channel and the air outlet channel and the joint.

[0014] Optionally, it further includes: a sealing gasket, which is respectively installed between the upper end cover and the lower end cover and the tank body.

[0015] Optionally, it further includes: an installation cover, which is detachably installed on the lower port of the installation chamber and is used to open or close the installation chamber.

[0016] Optionally, it further includes: a shell, which is covered in the installation compartment.

[0017] The embodiment of the present disclosure provides a rapid replacement structure for a molecular sieve group of an oxygen concentrator, which can achieve the following technical effects:

[0018] The embodiment of the present disclosure provides a quick replacement structure for a molecular sieve group of an oxygen concentrator, comprising an installation bin, a tank body, an upper end cover, a connector, a lower end cover, a mounting seat and a clamping block. The lower end of the installation bin is open, and the installation bin includes an air inlet channel, an air outlet channel and a clamping slot. The air inlet channel and the air outlet channel are both located on the top wall of the installation bin, and are used for air intake and air outlet, respectively. The clamping slot is located at the lower end of the inner wall of the installation bin, and is used to serve as a limiter. The tank body is inserted into the interior of the installation bin, and the upper and lower ends of the tank body are open for accommodating molecular sieve particles. The upper end cover is snapped onto the upper port of the tank body for sealing the upper end of the tank body. The connector is mounted on the upper end cover and is respectively inserted into the air inlet channel and the air outlet channel for conveying gas, respectively. The lower end cover is snapped onto the lower end of the tank body for sealing the lower end of the tank body. The mounting seat is mounted on the lower end cover, located outside the tank body and inside the installation bin, and the upper end of the mounting seat is open for supporting relevant parts of the mounting device. The card block is slidably disposed on the side wall of the mounting seat and is directly opposite to the card slot and can be moved into the card slot. The card block is controlled to slide relative to the mounting seat to be inserted into or removed from the card slot.

[0019] During use, after the card block is removed from the inside of the card slot, the mounting seat is pulled outward to drive the lower end cover, the tank body, and the upper end cover to be removed from the inside of the installation bin, and at the same time, the connector is pulled out from the air inlet and air outlet ducts respectively, completing the disassembly work. After aligning the connector with the position of the air inlet and air outlet ducts, push the mounting seat inward to insert the connector into the air inlet and air outlet ducts respectively. Then, after the card block is inserted into the inside of the card slot, it can play a limiting role, fixing the position of the lower end cover, tank body and upper end cover, and completing the installation work. The entire disassembly and assembly process is convenient, which makes it easy to replace the molecular sieve and saves manpower and material resources. In addition, since the mounting seat, lower end cover, tank body and upper end cover are located in an independent space inside the installation bin, contact with other core components of the oxygen concentrator can be avoided during the disassembly and assembly process, eliminating the risk of damaging other core components.

[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] One or more embodiments are exemplarily described by corresponding drawings. These exemplary descriptions and drawings do not limit the embodiments. Elements with the same reference numerals in the drawings are considered similar elements. The drawings do not constitute a scale limitation. In addition,

[0022] Figure 1 This is a schematic cross-sectional view of a quick-replacement structure of a molecular sieve group of an oxygen concentrator provided by an embodiment of the present disclosure;

[0023] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the mounting seat of a quick-replacement structure of a molecular sieve group of an oxygen concentrator provided by an embodiment of the present disclosure;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the lower end cover of a quick-replacement structure of a molecular sieve group of an oxygen concentrator provided by an embodiment of the present disclosure;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of a quick replacement structure of a molecular sieve group of an oxygen concentrator provided by an embodiment of the present disclosure.

[0027] Reference numerals:

[0028] 1: Mounting chamber; 2: Tank body; 3: Upper end cover; 4: Connector; 5: Lower end cover; 6: Mounting seat; 7: Block; 8: Limiting ring; 9: Spring; 10: Support; 11: Card plate; 12: Handle; 13: Sealing ring; 14: Sealing gasket; 15: Mounting cover; 16: Shell. DETAILED DESCRIPTION

[0029] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The accompanying drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0030] In the description and claims of the embodiments of the present disclosure, as well as in the accompanying drawings, the terms "first," "second," and the like are used to distinguish similar items and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate to describe the embodiments of the present disclosure herein. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0031] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. These terms are primarily intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to having a specific orientation, or to being constructed and operated in a specific orientation. Moreover, in addition to being used to indicate orientations or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure may be understood based on the specific circumstances.

[0032] Furthermore, the terms "disposed," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean a fixed connection, a removable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediary, or an internal connection between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in the embodiments of this disclosure based on the specific circumstances.

[0033] Unless otherwise stated, the term "plurality" means two or more.

[0034] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B means: A or B.

[0035] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0037] Combine Figures 1 to 5As shown, an embodiment of the present disclosure provides a quick replacement structure of a molecular sieve group of an oxygen concentrator, including an installation chamber 1, a tank body 2, an upper end cover 3, a connector 4, a lower end cover 5, a mounting seat 6 and a clamping block 7. The lower end of the installation chamber 1 is open, and the installation chamber 1 includes an air inlet channel, an air outlet channel and a clamping slot. The air inlet channel and the air outlet channel are both located on the top wall of the installation chamber 1, and are used for air intake and air outlet, respectively. The clamping slot is located at the lower end of the inner wall of the installation chamber 1, and is used to limit the position. The tank body 2 is inserted into the interior of the installation chamber 1, and the upper and lower ends of the tank body 2 are both open for accommodating molecular sieve particles. The upper end cover 3 is snapped onto the upper port of the tank body 2 for sealing the upper end of the tank body 2. The connector 4 is installed on the upper end cover 3, and is respectively inserted into the air inlet channel and the air outlet channel for conveying gas, respectively. The lower end cover 5 is snapped onto the lower port of the tank body 2 for sealing the lower end of the tank body 2. Mounting base 6 is mounted on lower end cap 5, located outside tank body 2 and within mounting chamber 1. Mounting base 6 is open at its upper end and supports the relevant components of the mounting device. A clamping block 7 is slidably disposed through the sidewall of mounting base 6, facing the clamping slot and movable into the slot. Clamping block 7 is controlled to slide relative to mounting base 6 for insertion into and removal from the slot.

[0038] The disclosed embodiments provide a quick-replacement structure for a molecular sieve assembly in an oxygen concentrator. After the clamping block 7 is removed from the slot, the mounting seat 6 is pulled outward, which drives the lower end cap 5, tank body 2, and upper end cap 3 out of the mounting chamber 1. Simultaneously, the connector 4 is removed from the air inlet and outlet ducts, completing the disassembly process. After aligning the connector 4 with the air inlet and outlet ducts, the mounting seat 6 is pushed inward, allowing the connector 4 to be inserted into the air inlet and outlet ducts, respectively. Once the clamping block 7 is inserted into the slot, it acts as a stopper, securing the lower end cap 5, tank body 2, and upper end cap 3, completing the installation process. The entire assembly and disassembly process is convenient, facilitating molecular sieve replacement and saving manpower and resources. Furthermore, because the mounting seat 6, lower end cap 5, tank body 2, and upper end cap 3 are located in an independent space within the mounting chamber 1, they can avoid contact with other core components of the oxygen concentrator during assembly and disassembly, eliminating the risk of damage to these components.

[0039] Optionally, combined Figure 1 and Figure 2 As shown, the mounting block 6 also includes a retaining ring 8 and a spring 9. The retaining ring 8 is located inside the mounting block 6 and connected to the center of the bottom wall of the mounting block 6, providing a position limit. The spring 9 is installed between the retaining block 7 and the retaining ring 8 along the sliding direction of the retaining block 7 relative to the mounting block 6, providing a spring force. The spring 9 forces the retaining block 7 into the retaining slot.

[0040] In the disclosed embodiment, the spring 9 exerts its force on the clamping block 7, which tends to move away from the retaining ring 8. Therefore, once the clamping block 7 is aligned with the retaining slot, it can slide relative to the mounting base 6, automatically inserting into the slot and facilitating installation. Furthermore, the spring 9 prevents the clamping block 7 from automatically sliding out of the slot, enhancing the retaining effect.

[0041] Optionally, combined Figures 1 to 3 As shown, it also includes a pillar 10 and a clamping plate 11. The pillar 10 is slidably inserted into the bottom wall of the mounting seat 6 and the limiting ring 8, and can slide relative to the bottom wall of the mounting seat 6 and the limiting ring 8. The clamping plate 11 is installed on the top of the pillar 10 and is located inside the mounting seat 6. The clamping plate 11 moves under the drive of the pillar 10. The clamping block 7 includes an inner bevel groove, and the clamping plate 11 includes an outer bevel hook. The inner bevel groove matches the outer bevel hook, and the bottom of the outer bevel hook is located at the top of the inner bevel groove. In particular, as the bottom of the outer bevel hook moves to the bottom of the inner bevel groove, the clamping block 7 moves out of the clamping slot.

[0042] In the disclosed embodiment, pulling outward on support 10 moves the clamping plate 11 downward. Once the bottom of the outer bevel hook reaches the bottom of the inner bevel groove, the clamping block 7 can be pulled out of the groove, facilitating disassembly. Support 10 is then released, and the inner bevel groove, under the elastic force of spring 9, pushes the outer bevel hook until the clamping plate 11 and support 10 are restored.

[0043] Optionally, combined Figure 1 and Figure 2 As shown, a handle 12 is further included. The handle 12 is installed at the bottom end of the pillar 10, fits with the bottom wall of the mounting seat 6, and is located outside the mounting seat 6.

[0044] In the disclosed embodiment, a handle 12 is also included, mounted on the bottom end of the support 10 and located outside the mounting base 6. The handle 12 is used for gripping, facilitating manual movement of the support 10. Furthermore, the design of the handle 12 fitting against the bottom wall of the mounting base 6 limits the position of the clamping plate 11, preventing the bottom of the outer bevel hook from moving out of the top of the inner bevel groove.

[0045] Optionally, screws are further included. The screws are passed through the mounting seat 6 and are threadedly connected to the lower end cover 5.

[0046] In the embodiment of the present disclosure, a screw is further included which is passed through the mounting base 6 and is threadedly connected to the lower end cover 5. The screw is used as a connecting member to fix the mounting base 6 to the lower end cover 5. This has the advantages of stable connection and easy disassembly.

[0047] Optionally, combined Figure 1As shown, it also includes a sealing ring 13. The sealing ring 13 is installed between the air inlet and outlet ducts and the joint 4 respectively.

[0048] In the embodiment of the present disclosure, a sealing ring 13 is further included, which is respectively installed between the air inlet and outlet holes and the joint 4. The sealing ring 13 is used to improve the sealing performance to prevent fluid leakage between the air inlet and outlet holes and the joint 4.

[0049] Optionally, combined Figure 1 and Figure 2 As shown, a sealing gasket 14 is also included. The sealing gasket 14 is installed between the upper end cover 3 and the lower end cover 5 and the tank body 2 respectively.

[0050] In the embodiment of the present disclosure, a sealing gasket 14 is further included, which is respectively installed between the upper end cover 3 and the lower end cover 5 and the tank body 2. The sealing gasket 14 is used to play a sealing and protective role to prevent fluid leakage between the upper end cover 3 and the lower end cover 5 and the tank body 2.

[0051] Optionally, combined Figure 1 and Figure 2 As shown, the installation chamber 1 further includes an installation cover 15. The installation cover 15 is detachably installed on the lower end of the installation chamber 1 for opening or closing the installation chamber 1.

[0052] In the disclosed embodiment, a removable mounting cover 15 is also included, which is mounted on the lower end of the mounting chamber 1. The mounting cover 15 is used to open and close the mounting chamber 1. When the mounting chamber 1 is in the open state, the molecular sieve can be replaced. When the mounting chamber 1 is in the closed state, it can provide a sealing protection to prevent dust and the like from entering the interior of the mounting chamber 1.

[0053] Optionally, combined Figure 1 and Figure 5 As shown, the device further comprises a housing 16. The housing 16 is covered on the installation compartment 1.

[0054] In the embodiment of the present disclosure, a housing 16 is further included, which is provided in the installation chamber 1. The gap between the housing 16 and the installation chamber 1 is used to support and install other core components of the oxygen concentrator. The surface of the housing 16 is also used to support and install a display screen, etc.

[0055] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless expressly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A rapid replacement structure for a molecular sieve group of an oxygen concentrator, characterized in that: include: An installation chamber, the lower end of which is open, and the installation chamber includes an air inlet channel, an air outlet channel, and a card slot, the air inlet channel and the air outlet channel are both located on the top wall of the installation chamber, and the card slot is located at the lower end of the inner wall of the installation chamber; A tank body is inserted into the installation compartment, and both upper and lower ends of the tank body are open; An upper end cover, fastened to the upper end of the tank body; A connector, mounted on the upper end cover and inserted into the air inlet and the air outlet respectively; A lower end cover, fastened to the lower end of the tank body; A mounting seat is mounted on the lower end cover, is located outside the tank body, and is located inside the mounting chamber, and the upper end of the mounting seat is open; A card block is slidably arranged on the side wall of the mounting seat and faces the card slot; The card block is controlled to slide relative to the mounting seat so as to be inserted into or removed from the card slot.

2. The rapid replacement structure of the molecular sieve group of an oxygen concentrator according to claim 1 is characterized in that: Also includes: a limiting ring, located inside the mounting seat and connected to the center of the bottom wall of the mounting seat; a spring, installed between the clamping block and the limiting ring along a sliding direction of the clamping block relative to the mounting seat; Wherein, under the elastic force of the spring, the card block is inserted into the interior of the card slot.

3. The rapid replacement structure of the molecular sieve group of the oxygen concentrator according to claim 2 is characterized in that: Also includes: A support column slidably passing through the bottom wall of the mounting seat and the limiting ring; A clamping plate is mounted on the top of the pillar and located inside the mounting seat, wherein the clamping block includes an inner bevel groove, and the clamping plate includes an outer bevel hook, wherein the bottom of the outer bevel hook is located at the top of the inner bevel groove; Wherein, as the bottom of the outer bevel hook moves to the bottom of the inner bevel groove, the clamping block moves out of the clamping groove.

4. The rapid replacement structure of the molecular sieve group of the oxygen concentrator according to claim 3 is characterized in that: Also includes: The handle is installed at the bottom end of the pillar, fits with the bottom wall of the mounting seat, and is located outside the mounting seat.

5. The rapid replacement structure of the molecular sieve group of an oxygen concentrator according to claim 1 is characterized in that: Also includes: A screw is passed through the mounting seat and is threadedly connected to the lower end cover.

6. The rapid replacement structure of a molecular sieve group of an oxygen concentrator according to claim 1, characterized in that: Also includes: Sealing rings are respectively installed between the air inlet and outlet holes and the joint.

7. The rapid replacement structure of a molecular sieve group of an oxygen concentrator according to claim 1, characterized in that: Also includes: Sealing gaskets are respectively installed between the upper end cover, the lower end cover and the tank body.

8. A rapid replacement structure for a molecular sieve group of an oxygen concentrator according to any one of claims 1 to 7, characterized in that: Also includes: The installation cover is detachably installed on the lower port of the installation chamber and is used to open or close the installation chamber.

9. A rapid replacement structure for a molecular sieve group of an oxygen concentrator according to any one of claims 1 to 7, characterized in that: Also includes: The shell cover is arranged on the installation compartment.

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