Molecular sieve adsorption tower for oxygen generator

Abstract

The utility model relates to the technical field of molecular sieve adsorption towers, in particular to a molecular sieve adsorption tower for an oxygen generator, which comprises an electromagnetic valve fixing frame, an electromagnetic valve body is fixedly mounted at the top of the electromagnetic valve fixing frame, and a gas inlet connector, a nitrogen discharge hole connector and an atomization hole connector are respectively mounted at the top of the electromagnetic valve body. A plurality of adsorption tower cylinders are fixedly mounted at the bottom of the electromagnetic valve fixing frame, a lower cover is mounted at the top of each adsorption tower cylinder, a molecular sieve body extending into the corresponding adsorption tower cylinder is mounted on each lower cover, an air pipe is mounted at the bottom of each lower cover, and a dismounting structure is arranged on each lower cover. Through the arrangement of the dismounting structure, the lower cover can be conveniently dismounted from the adsorption tower cylinder body, so that the molecular sieve body can be conveniently taken out from the adsorption tower cylinder body for replacement, the dismounting is more convenient, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a molecular sieve adsorption tower for oxygen generator belongs to molecular sieve adsorption tower technical field. BACKGROUND

[0002] The molecular sieve adsorption tower for oxygen generator is a key component of the oxygen generator, mainly used for separating oxygen and nitrogen in air, and has the technical features of high-efficiency separation, automatic control, energy saving and environmental protection, safety and reliability, etc.

[0003] Since the gas contains moisture, the molecular sieve in the adsorption tower will absorb moisture after long-term use, resulting in a decrease in strength, so the molecular sieve needs to be disassembled and replaced.

[0004] Therefore, it is urgent to improve the molecular sieve adsorption tower for oxygen generator to solve the above problems. SUMMARY

[0005] The utility model discloses a molecular sieve adsorption tower for oxygen generator, through the setting of the dismounting structure, the lower cover can be conveniently dismounted from the adsorption tower barrel body, so that the molecular sieve body can be conveniently taken out from the adsorption tower barrel body for replacement, and the dismounting is more portable and convenient to use.

[0006] In order to achieve the above purpose, the utility model adopts the main technical scheme:

[0007] A molecular sieve adsorption tower for oxygen generator, comprising an electromagnetic valve fixing frame, an electromagnetic valve body is fixedly installed at the top of the electromagnetic valve fixing frame, a gas inlet joint, a nitrogen discharge hole joint and an atomizing hole joint are installed at the top of the electromagnetic valve body respectively, a plurality of adsorption tower barrel bodies are fixedly installed at the bottom of the electromagnetic valve fixing frame, a lower cover is installed at the top of the adsorption tower barrel body, a molecular sieve body extending into the adsorption tower barrel body is installed on the lower cover, a gas pipe is installed at the bottom of the lower cover, a dismounting structure is arranged on the lower cover, the electromagnetic valve fixing frame comprises two support frames fixedly installed on the lower cover symmetrically, a plurality of springs are fixedly installed on the inner wall of the support frame, a limiting plate connected with the spring is slidably installed in the support frame, two limiting blocks are fixedly installed on the adsorption tower barrel body symmetrically, a fixing ring is fixedly installed at the bottom of the molecular sieve body, and a plurality of bolts are installed at the top of the lower cover.

[0008] Preferably, the top of the limiting plate is inclined.

[0009] Preferably, the bottom of the fixing ring is fixedly provided with a plurality of positioning rods, and the top of the lower cover is provided with a plurality of positioning holes matched with the positioning rods.

[0010] Preferably, the surface of the lower cover is symmetrically fixedly provided with two fixing frames, one end of the fixing frame is fixedly provided with a motor, the inside of the fixing frame is movably provided with a screw rod connected with the motor, the screw rod is provided with a moving block, and the bottom of the moving block is fixedly provided with a clamping plate.

[0011] Preferably, a plurality of sliding grooves are formed in the inner wall of the fixing frame, and sliding blocks are arranged on the two sides of the moving block.

[0012] Preferably, the clamping plate is in an arc shape, and a rubber pad is fixedly arranged on the inner wall of the clamping plate.

[0013] Preferably, a plurality of protective plates are uniformly fixedly arranged on the surface of the adsorption tower cylinder.

[0014] The utility model at least has the following beneficial effects:

[0015] Through the setting of the dismounting structure, the lower cover can be conveniently dismounted from the adsorption tower cylinder, since the adsorption tower cylinder and the lower cover are connected by the clamping of the plurality of limiting plates and limiting blocks, when dismounting, the top of the limiting plate can be separated from the limiting block by pressing the limiting plate, so that the adsorption tower cylinder and the lower cover can be disassembled, and then the molecular sieve body can be taken out of the adsorption tower cylinder, and then the bolt is loosened and taken off from the fixing ring, so that the molecular sieve body can be dismounted and replaced, and the dismounting is more portable and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a molecular sieve body structure schematic view of the utility model;

[0019] Figure 3 It is a Figure 2 It is an enlarged view of A in the middle;

[0020] Figure 4 It is a limiting block structure schematic view of the utility model;

[0021] Figure 5 It is a clamping plate structure schematic view of the utility model.

[0022] In the figure, 1, solenoid valve fixed frame; 2, solenoid valve body; 3, gas inlet hole joint; 4, nitrogen discharge hole joint; 5, atomization hole joint; 6, adsorption tower cylinder; 7, lower cover; 8, molecular sieve body; 9, air pipe; 10, disassembly structure; 11, support frame; 12, spring; 13, limiting plate; 14, limiting block; 15, fixed ring; 16, bolt; 17, positioning rod; 18, positioning hole; 19, fixed frame; 20, motor; 21, screw rod; 22, moving block; 23, clamping plate; 24, sliding groove; 25, sliding block; 26, rubber pad; 27, guard plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] As Figures 1-5 shown, the embodiment provides a molecular sieve adsorption tower for an oxygen generator.

[0025] The utility model relates to an oxygen generator's molecular sieve adsorption tower, including solenoid valve fixed frame 1, the top fixed mounting of solenoid valve fixed frame 1 has solenoid valve body 2, the top of solenoid valve body 2 installs gas inlet joint 3, nitrogen discharge hole joint 4 and atomization hole joint 5 respectively, the bottom fixed mounting of solenoid valve fixed frame 1 has a plurality of adsorption tower cylinder 6, the top of adsorption tower cylinder 6 installs lower cover 7, install molecular sieve body 8 extending to the inside of adsorption tower cylinder 6 on lower cover 7, the bottom of lower cover 7 installs trachea 9, be provided with dismounting structure 10 on lower cover 7, solenoid valve fixed frame 1 includes two support frames 11 of symmetry fixed mounting on lower cover 7, a plurality of springs 12 are fixedly installed on the inner wall of support frame 11, the inside sliding installation of support frame 11 has the limiting plate 13 connected with spring 12, two limiting blocks 14 are fixedly installed on adsorption tower cylinder 6, the bottom fixed mounting of molecular sieve body 8 has fixed ring 15, the top of lower cover 7 installs a plurality of bolts 16. Through the setting of dismounting structure 10, can conveniently with lower cover 7 from adsorption tower cylinder 6 is disassembled, since the connection of adsorption tower cylinder 6 and lower cover 7 between relying on a plurality of limiting plate 13 and the clamping of limiting block 14, when disassembling, by pressing limiting plate 13 can make its top from the disengagement of limiting block 14, so that adsorption tower cylinder 6 and lower cover 7 can be split, and then the bolt 16 is loosened and taken down from fixed ring 15, molecular sieve body 8 can be removed from adsorption tower cylinder 6, then, is replaced, dismounting is more portable, convenient to use.

[0026] In the present embodiment, as Figures 1-5As shown, the top of the limiting plate 13 is provided in an inclined shape, the bottom of the fixing ring 15 is fixedly provided with a plurality of positioning rods 17, the top of the lower cover 7 is provided with a plurality of positioning holes 18 matched with the positioning rods 17, the surface of the lower cover 7 is fixedly provided with two fixing frames 19, one end of the fixing frame 19 is fixedly provided with a motor 20, the inside of the fixing frame 19 is movably provided with a screw rod 21 connected with the motor 20, the screw rod 21 is provided with a moving block 22, the bottom of the moving block 22 is fixedly provided with a clamping plate 23, a plurality of sliding grooves 24 are formed in the inner wall of the fixing frame 19, and sliding blocks 25 are arranged on the two sides of the moving block 22. By setting the top of the limiting plate 13 in an inclined shape, the limiting plate 13 can be moved and contracted without pressing the limiting plate 13 during installation, so that the installation is facilitated. By setting the positioning rods 17 and the positioning holes 18, the molecular sieve body 8 can be positioned when being installed on the lower cover 7, so that the bolt 16 is easily connected with the threaded hole on the fixing ring 15. By setting the fixing frame 19, the motor 20, the screw rod 21, the moving block 22, the clamping plate 23, the sliding groove 24 and the sliding block 25, after the air pipe 9 is connected with the lower cover 7, the two motors 20 are started to drive the screw rod 21 to rotate, the screw rod 21 drives the moving block 22 to move, and the moving block 22 drives the clamping plate 23 to move towards the connecting end of the lower cover 7 and the air pipe 9 under the limitation of the sliding groove 24 and the sliding block 25, until the two clamping plates 23 clamp the air pipe 9. Not only can the air pipe 9 be prevented from falling off, but also the connecting end can be protected to avoid bending and breaking.

[0027] In this embodiment, as shown in the figure, Figures 1-5 The shape of the clamping plate 23 is set as an arc shape, the inner wall of the clamping plate 23 is fixedly provided with a rubber pad 26, and the surface of the adsorption tower cylinder body 6 is uniformly fixedly provided with a plurality of protective plates 27. By setting the shape of the clamping plate 23 as an arc shape, the inner wall can be more matched with the air pipe 9, the clamping force is improved, the rubber pad 26 can increase the friction between the clamping plate 23 and the air pipe 9, and the air pipe 9 is further prevented from falling off. By setting the protective plates 27, the adsorption tower cylinder body 6 can be protected to prevent damage due to collision.

[0028] In this embodiment, as shown in the figure, Figures 1-5 The working process of the molecular sieve adsorption tower for the oxygen generator provided in this embodiment is as follows:

[0029] The adsorption tower barrel 6 and the lower cover 7 are connected by the clamping of the plurality of limiting plates 13 and the limiting blocks 14, at this time, by simultaneously pressing the two limiting plates 13 to make them shrink and move, the top of the limiting plate 13 is disengaged from the clamping of the limiting block 14, then the adsorption tower barrel 6 and the lower cover 7 can be disassembled, and then the molecular sieve body 8 can be taken out of the adsorption tower barrel 6, and then the bolt 16 is loosened and taken off from the fixing ring 15, and the molecular sieve body 8 can be disassembled and replaced.

[0030] In summary, in the embodiment, the molecular sieve adsorption tower for an oxygen generator according to the embodiment can make the limiting plate 13 shrink and move by directly extruding the top of the limiting plate 13 by the limiting block 14 during installation without pressing the limiting plate 13, thereby facilitating installation, the positioning of the molecular sieve body 8 on the lower cover 7 is facilitated by the positioning of the positioning rod 17 and the positioning hole 18, the bolt 16 is easily connected to the threaded hole on the fixing ring 15, after the air pipe 9 is connected to the lower cover 7 by the fixing frame 19, the motor 20, the screw rod 21, the moving block 22, the clamping plate 23, the sliding groove 24 and the sliding block 25, at this time, the two motors 20 are started to drive the screw rod 21 to rotate, the screw rod 21 rotates to drive the moving block 22 to move, the moving block 22 stably drives the clamping plate 23 to move to the connecting end of the lower cover 7 and the air pipe 9 under the limiting of the sliding groove 24 and the sliding block 25, until the two clamping plates 23 clamp the air pipe 9, which not only prevents the air pipe 9 from falling off, but also protects the connecting end from being bent and broken, the clamping plate 23 is arc-shaped, the inner wall of the clamping plate 23 can be more attached to the air pipe 9, the clamping force is improved, the rubber pad 26 is arranged to increase the friction between the clamping plate 23 and the air pipe 9, and the air pipe 9 is further prevented from falling off, and the protective plate 27 is arranged to protect the adsorption tower barrel 6 from being damaged by collision.

[0031] The above description shows and describes several preferred embodiments of the utility model, but as described above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein by the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A molecular sieve adsorption column for an oxygen generator, comprising a solenoid valve fixing frame (1), a solenoid valve body (2) is fixedly installed on the top of the solenoid valve fixing frame (1), a gas inlet hole joint (3), a nitrogen discharge hole joint (4) and an atomizing hole joint (5) are respectively installed on the top of the solenoid valve body (2), a plurality of adsorption column cylinder bodies (6) are fixedly installed on the bottom of the solenoid valve fixing frame (1), a lower cover (7) is installed on the top of the adsorption column cylinder body (6), a molecular sieve body (8) extending to the inside of the adsorption column cylinder body (6) is installed on the lower cover (7), and an air pipe (9) is installed on the bottom of the lower cover (7), characterized in that: The lower cover (7) is provided with a dismounting structure (10), the electromagnetic valve fixing frame (1) comprises two support frames (11) symmetrically fixedly installed on the lower cover (7), a plurality of springs (12) are fixedly installed on the inner wall of the support frame (11), a limiting plate (13) connected with the spring (12) is slidably installed in the support frame (11), two limiting blocks (14) are symmetrically fixedly installed on the adsorption tower cylinder body (6), a fixed ring (15) is fixedly installed at the bottom of the molecular sieve body (8), and a plurality of bolts (16) are installed at the top of the lower cover (7).

2. The molecular sieve adsorption column for an oxygen generator according to claim 1, characterized in that: The top of the limiting plate (13) is inclined.

3. The molecular sieve adsorption column for an oxygen generator according to claim 1, characterized in that: A plurality of positioning rods (17) are fixedly installed at the bottom of the fixed ring (15), and a plurality of positioning holes (18) matched with the positioning rods (17) are formed in the top of the lower cover (7).

4. The molecular sieve adsorption column for an oxygen generator according to claim 1, characterized in that: Two fixed frames (19) are symmetrically fixedly installed on the surface of the lower cover (7), a motor (20) is fixedly installed at one end of the fixed frame (19), a screw rod (21) connected with the motor (20) is movably installed in the fixed frame (19), a moving block (22) is installed on the screw rod (21), and a clamping plate (23) is fixedly installed at the bottom of the moving block (22).

5. The molecular sieve adsorption column for an oxygen generator according to claim 4, characterized in that: A plurality of sliding grooves (24) are formed in the inner wall of the fixed frame (19), and sliding blocks (25) are installed on the two sides of the moving block (22).

6. The molecular sieve adsorption column for an oxygen generator according to claim 5, characterized in that: The clamping plate (23) is in an arc shape, and a rubber pad (26) is fixedly installed on the inner wall of the clamping plate (23).

7. The molecular sieve adsorption column for an oxygen generator according to claim 1, characterized in that: A plurality of protective plates (27) are uniformly fixedly installed on the surface of the adsorption tower cylinder body (6).

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