Air separation device for oxygen generator

Abstract

The utility model relates to the technical field of air separation, in particular to an air separation device for an oxygen generator. The utility model provides an air separation device for an oxygen generator, which can conveniently and quickly assemble, disassemble and maintain a tank and a filter element for air separation. An air separation device for an oxygen generator comprises a connecting frame, fixed guide frames, compression springs, clamping assemblies, an air inlet control assembly and the like, the multiple fixed guide frames are slidably connected to the upper portion and the lower portion of the connecting frame, the compression springs are connected between the fixed guide frames and the connecting frame, and the multiple clamping assemblies are arranged on the upper side and the lower side of the connecting frame. An air inlet control assembly is arranged on the front side of the lower portion of the connecting frame According to the utility model, the fixed guide frame and the clamping plate are matched with each other to clamp the tank on the connecting frame by utilizing the tensioning force of the compression spring and the torsional spring, and then the cover and the spring disc are matched to fix and quickly push out the filter element, so that the tank and the filter element which are used for air separation can be conveniently and quickly assembled, disassembled and maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of air separation, in particular to an air separation device for an oxygen generator. Background Art

[0002] The air separation unit used in oxygen generators is a key device for achieving efficient and continuous separation of oxygen from the atmosphere. Such devices are usually based on physical methods such as adsorption, membrane separation or cryogenic distillation to separate oxygen from other gases (mainly nitrogen) in the air.

[0003] The existing air separation device uses a separation filter element to absorb nitrogen and filter oxygen to discharge the oxygen. The loading and unloading operations of the filter element and the tank body for filtering reaction are relatively cumbersome during use, and it is inconvenient to perform operation and maintenance after long-term use.

[0004] Therefore, an air separation device for an oxygen concentrator that can facilitate rapid loading and unloading and maintenance of a tank and a filter element used for air separation has been developed. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art that the loading and unloading operations of the device are relatively cumbersome and it is inconvenient to perform operation and maintenance after long-term use, the utility model provides an air separation device for an oxygen generator that can facilitate the rapid loading and unloading and maintenance of the tank and filter element used for air separation.

[0006] The technical solution of the utility model is: an air separation device for an oxygen concentrator, comprising a connecting frame, a fixed guide frame, a compression spring, a clamping assembly, an air intake control assembly, a storage assembly and a filter assembly, the upper and lower parts of the connecting frame are both slidably connected with a plurality of fixed guide frames, the fixed guide frames are connected to the connecting frame with compression springs, the upper and lower sides of the connecting frame are provided with a plurality of clamping assemblies, the front side of the lower part of the connecting frame is provided with an air intake control assembly, the front side of the upper part of the connecting frame is provided with a storage assembly, and the left and right parts of the connecting frame are provided with filter assemblies.

[0007] As a preferred technical solution of the utility model, the clamping assembly includes a clamping plate and a torsion spring. The upper and lower sides of the connecting frame are rotatably connected to multiple clamping plates, and the front and rear sides of the lower part of the clamping plate are connected to the connecting frame with torsion springs.

[0008] As a preferred technical solution of the utility model, the air intake control assembly includes a first connecting pipe and an air intake pipe. The front side of the lower part of the connecting frame is connected to the air intake pipe, and the first connecting pipe is connected to both the left and right sides of the air intake pipe.

[0009] As a preferred technical solution of the utility model, the storage assembly includes a second connecting pipe and an air outlet pipe. The front side of the upper part of the connecting frame is connected to the air outlet pipe, and the left and right sides of the upper part of the air outlet pipe are connected to the second connecting pipes.

[0010] As an optimal technical solution of the utility model, the filtering assembly includes a can, a butt joint tube, an exhaust pipe, an electronic control valve, a lid, a sealing ring, a filter element and a spring disk. Cans are arranged on the left and right parts of the connecting frame, the fixed guide frames are in contact with adjacent cans, the splints are in contact with adjacent cans, the front sides of the upper and lower parts of the can are connected with butt joint tubes, the first connecting pipe and the second connecting pipe are butt joint with the adjacent butt joint tubes, the rear side of the upper part of the can is connected with an exhaust pipe, the exhaust pipe is connected with an electronic control valve, the bottom of the can is threadedly connected with a lid, the top of the lid is connected with a sealing ring, a filter element is arranged inside the can, a spring disk is arranged on the top of the can, and the filter element is squeezed and matched with the adjacent spring disk.

[0011] The beneficial effects of the utility model are as follows: the utility model uses the tensioning force of the compression spring and the torsion spring by fixing the guide frame and the clamping plate to cooperate with each other to clamp the can on the connecting frame, and then cooperates with the cover and the spring disk to fix and quickly push out the filter element, which can facilitate the rapid loading, unloading and maintenance of the can and filter element used for air separation. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the utility model.

[0014] Figure 3 This is a schematic diagram of a first partial three-dimensional structure of the utility model.

[0015] Figure 4 This is an exploded cross-sectional view of the second partial three-dimensional structure of the utility model.

[0016] Figure numbers: 1_connecting frame, 2_fixed guide frame, 3_compression spring, 4_clamping assembly, 41_clamping plate,

[0017] 42_torsion spring, 5_intake control assembly, 51_first connecting pipe, 52_intake pipe, 6_storage assembly, 61_second connecting pipe, 62_exhaust pipe, 7_filter assembly, 71_can, 72_butt joint, 73_exhaust pipe, 74_electronic control valve, 75_lid, 76_sealing ring, 77_filter element, 78_spring disk. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] An air separation device for an oxygen concentrator, such as Figure 1-Figure 4As shown, it includes a connecting frame 1, a fixed guide frame 2, a compression spring 3, a clamping assembly 4, an air intake control assembly 5, a storage assembly 6 and a filter assembly 7. The upper and lower parts of the connecting frame 1 are both slidably connected with multiple fixed guide frames 2, and the fixed guide frames 2 are connected to the connecting frame 1 with compression springs 3. Multiple clamping assemblies 4 are provided on the upper and lower sides of the connecting frame 1. An air intake control assembly 5 is provided on the front side of the lower part of the connecting frame 1. A storage assembly 6 is provided on the front side of the upper part of the connecting frame 1. Filter assemblies 7 are provided on the left and right parts of the connecting frame 1. The clamping assembly 4 includes a clamping plate 41 and a torsion spring 42. Multiple clamping plates 41 are rotatably connected to the upper and lower sides of the connecting frame 1. The front and rear sides of the lower part of the clamping plate 41 are connected to the connecting frame 1 with torsion springs 42. The air intake control assembly 5 includes a first connecting pipe 51 and an air intake pipe 52. The front side of the lower part of the connecting frame 1 is connected to the air intake pipe 52. The left and right sides of the air intake pipe 52 are connected to the first connecting pipe 51. The storage assembly 6 includes a second connecting pipe 61 and an air outlet pipe 6 2, the front side of the upper part of the connecting frame 1 is connected to the outlet pipe 62, and the left and right sides of the upper part of the outlet pipe 62 are connected to the second connecting pipe 61, the filter assembly 7 includes a can 71, a butt pipe 72, an exhaust pipe 73, an electronic control valve 74, a cover 75, a sealing ring 76, a filter element 77 and a spring plate 78, the left and right parts of the connecting frame 1 are both provided with cans 71, the fixed guide frame 2 is in contact with the adjacent can 71, the clamping plate 41 is in contact with the adjacent can 71, and the upper and lower front parts of the can 71 are connected to the can 71. The sides are connected with docking pipes 72, the first connecting pipe 51 and the second connecting pipe 61 are docked with the adjacent docking pipes 72, the upper rear side of the tank 71 is connected with an exhaust pipe 73, the exhaust pipe 73 is connected with an electronic control valve 74, the bottom of the tank 71 is threadedly connected with a cover 75, the top of the cover 75 is connected with a sealing ring 76, a filter element 77 is provided inside the tank 71, a spring disk 78 is provided at the top of the tank 71, and the filter element 77 is squeezed and matched with the adjacent spring disk 78.

[0020] When the utility model is in use, the can 71 is set on the connecting frame 1, and the can 71 is clamped on the connecting frame 1 by the mutual cooperation of the fixed guide frame 2 and the clamping plate 41, so as to facilitate the loading and unloading of the cover 75. After the can 71 is installed, the air is introduced through the air inlet pipe 52, and the air enters the can 71 through the cooperation of the first connecting pipe 51 and the docking head, and is filtered by the filter element 77 in the can 71, and the nitrogen in the air is adsorbed in the filter element 77, while the oxygen is discharged upward through the filter element 77, and is introduced into the air outlet pipe 62 through the second connecting pipe 61, and the air outlet pipe 62 is connected to an oxygen concentrator, so that the separated air can be discharged. The separated oxygen is imported and exported for collection and use. When the nitrogen in the tank 71 reaches a certain amount, the electronic control valve 74 opens to discharge the nitrogen from the exhaust pipe 73. When the filter element 77 needs to be replaced, the tank 71 is removed from the connecting frame 1, and then the cover 75 is rotated to open. At this time, the filter element 77 is restricted by the cover 75, and the spring on the spring disk 78 rebounds, pushing the filter element 77 outward, making it convenient to grab and replace the filter element 77. The replaced filter element 77 is pressed into the interior of the tank 71 by rotating the cover 75, and then the tank 71 is set on the connecting frame 1 and clamped by fixing the guide frame 2 and the clamping plate 41.

[0021] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An air separation device for an oxygen concentrator, characterized in that: The invention comprises a connecting frame (1), a fixed guide frame (2), a compression spring (3), a clamping assembly (4), an air intake control assembly (5), a storage assembly (6) and a filter assembly (7); the upper and lower parts of the connecting frame (1) are both slidably connected to a plurality of fixed guide frames (2); the fixed guide frames (2) are connected to the connecting frame (1) with compression springs (3); the upper and lower sides of the connecting frame (1) are both provided with a plurality of clamping assemblies (4); the lower front side of the connecting frame (1) is provided with an air intake control assembly (5); the upper front side of the connecting frame (1) is provided with a storage assembly (6); and the left and right parts of the connecting frame (1) are both provided with filter assemblies (7).

2. The air separation device for an oxygen generator according to claim 1, characterized in that: The clamping assembly (4) comprises a clamping plate (41) and a torsion spring (42); the upper and lower sides of the connecting frame (1) are both rotatably connected to a plurality of clamping plates (41); and the lower front and rear sides of the clamping plates (41) are both connected to the connecting frame (1) with torsion springs (42).

3. The air separation device for an oxygen concentrator according to claim 2, characterized in that: The air intake control assembly (5) comprises a first connecting pipe (51) and an air intake pipe (52); the front side of the lower part of the connecting frame (1) is connected to the air intake pipe (52); and the left and right sides of the air intake pipe (52) are both connected to the first connecting pipe (51).

4. The air separation device for an oxygen concentrator according to claim 3, characterized in that: The storage assembly (6) comprises a second connecting pipe (61) and an air outlet pipe (62); the front side of the upper part of the connecting frame (1) is connected to the air outlet pipe (62); and the left and right sides of the upper part of the air outlet pipe (62) are both connected to the second connecting pipe (61).

5. The air separation device for an oxygen concentrator according to claim 4, characterized in that: The filter assembly (7) comprises a can (71), a butt joint pipe (72), an exhaust pipe (73), an electronic control valve (74), a cover (75), a sealing ring (76), a filter element (77) and a spring plate (78). The left and right parts of the connecting frame (1) are both provided with cans (71), the fixed guide frame (2) is in contact with the adjacent cans (71), the clamping plate (41) is in contact with the adjacent cans (71), the upper and lower front sides of the cans (71) are both connected with the butt joint pipe (72), the first connecting pipe (51) and The second connecting pipes (61) are connected to the adjacent butt-jointing pipes (72); the upper rear side of the tank (71) is connected to an exhaust pipe (73); the exhaust pipe (73) is connected to an electronic control valve (74); the bottom of the tank (71) is threadedly connected to a cover (75); the top of the cover (75) is connected to a sealing ring (76); a filter element (77) is arranged inside the tank (71); a spring disk (78) is arranged at the top of the tank (71); and the filter element (77) is pressed and matched with the adjacent spring disk (78).

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