Dust cover for small molecular sieve oxygenerator

Abstract

The utility model discloses a small molecular sieve oxygenerator dust cover which comprises a dust cover shell device and a filtering device, the filtering device is arranged in the dust cover shell device, and the dust cover shell device comprises a protective shell, a corrugated hose, a partition plate, a clamping piece, a release cone, a supporting ring, a first sliding rod and a first spring. The partition plate is fixedly connected to the inner side end of the protective shell, the bottom end of the clamping piece is fixedly installed at the bottom end of the inner side of the partition plate, the release cone is slidably connected to the clamping piece, and the top end of the corrugated hose is fixedly connected to the outer side of the bottom end of the partition plate. According to the utility model, the operation of replacing the filter element becomes simple and quick, and a user can release and lock the filter element only by pushing and pulling the handle without using complex tools or carrying out tedious disassembly steps.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen generators, in particular to a dust cover for a small molecular sieve oxygen generator. Background Art

[0002] During the oxygen production process, the small molecular sieve oxygen concentrator needs to inhale external air, and at the same time, it is also necessary to prevent external dust and other impurities from entering the equipment, affecting the normal operation of the equipment and the purity of oxygen. However, the dust-proof equipment equipped with the existing small molecular sieve oxygen concentrator is relatively complicated to replace the filter, and it is inconvenient for users to operate. Therefore, there is an urgent need for a dust cover for the small molecular sieve oxygen concentrator to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a dust cover for a small molecular sieve oxygen generator to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust cover for a small molecular sieve oxygen generator, comprising a dust cover shell device and a filtering device, wherein the filtering device is arranged inside the dust cover shell device, and the dust cover shell device comprises a protective shell, a corrugated hose, a partition plate, a clamping piece, a release cone, a support ring, a first slide bar and a first spring, wherein the partition plate is fixedly connected to the inner end of the protective shell, the bottom end of the clamping piece is fixedly installed on the inner bottom end of the partition plate, the release cone is slidably connected to the clamping piece, the top end of the corrugated hose is fixedly connected to the outer side of the bottom end of the partition plate, the outer side of the support ring is slidably connected to the inner side of the partition plate, the first spring is symmetrically fixedly connected to the bottom end of the support ring, and the first spring is slidably connected to the inner side of the partition plate, and the first slide bar is nested on the outer side of the first spring.

[0005] Preferably, the filtering device includes a top plate, a filter element, a bottom fixing ring, a handle, a middle frame, a second sliding rod, a plug, a second spring and a beveled block, the handle is fixedly connected to the top end of the top plate, the top end of the middle frame is fixedly connected to the bottom end of the top plate, the filter element is slidably inserted into the outer side of the middle frame, the bottom fixing ring is threadedly connected to the bottom end of the middle frame, the second sliding rod is symmetrically arranged, and the second sliding rod is slidably connected to the bottom end of the bottom fixing ring, the plug is threadedly connected to one end of the second sliding rod, the beveled block is fixedly connected to the end of the second sliding rod away from the plug, and the second spring is nested on the outer side of the second sliding rod.

[0006] Preferably, a sealing ring is provided on the outer side of the bottom fixing ring, and the bottom fixing ring is slidably connected to the inside of the partition plate, and the bottom end of the bottom fixing ring is close to the top of the support ring, and the top of the beveled clamping block is close to the lower end surface of the top of the clamping piece.

[0007] Preferably, ventilation grooves are evenly penetrated through the portion of the protective shell located above the partition plate.

[0008] Preferably, the beveled block is slidably connected to the bottom end of the bottom fixing ring.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model makes the operation of replacing the filter element simple and quick. The user only needs to push and pull the handle to release and lock the filter element, without using complicated tools or performing tedious disassembly steps. Since the filter element replacement operation is simple and does not require professional tools, the user can perform maintenance by themselves, which reduces maintenance costs and downtime and improves the use efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the structure of the dust cover housing device in the utility model;

[0013] Figure 3 It is a schematic diagram of the cutaway structure of the dust cover housing device in the utility model;

[0014] Figure 4 It is a schematic diagram of the structure of the filtering device in the utility model;

[0015] Figure 5 It is a schematic diagram of the cutaway structure of the filtering device in the utility model;

[0016] Figure 6 It is a structural schematic diagram of the clamping firmware part in the utility model.

[0017] In the figure: 1-dust cover housing device, 2-filter device, 3-protective housing, 4-corrugated hose, 5-partition plate, 6-clamping piece, 7-release cone, 8-support ring, 9-first slide bar, 10-first spring, 11-top plate, 12-filter element, 13-bottom fixing ring, 14-handle, 15-middle frame, 16-second slide bar, 17-plug, 18-second spring, 19-bevel block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-6 , the utility model provides an embodiment: a dust cover for a small molecular sieve oxygen generator, comprising a dust cover shell device 1 and a filter device 2, the filter device 2 is arranged inside the dust cover shell device 1, the dust cover shell device 1 comprises a protective shell 3, a corrugated hose 4, a partition plate 5, a clamping piece 6, a release cone 7, a support ring 8, a first slide bar 9 and a first spring 10, the partition plate 5 is fixedly connected to the inner end of the protective shell 3, the bottom end of the clamping piece 6 is fixedly installed on the inner bottom end of the partition plate 5, the release cone 7 is slidably connected to the clamping piece 6, the top end of the corrugated hose 4 is fixedly connected to the outer side of the bottom end of the partition plate 5, the outer side of the support ring 8 is slidably connected to the inner side of the partition plate 5, the first spring 10 is symmetrically fixedly connected to the bottom end of the support ring 8, and the first spring 10 is slidably connected to the inner side of the partition plate 5, and the first slide bar 9 is nested on the outer side of the first spring 10.

[0020] The filtering device 2 includes a top plate 11, a filter element 12, a bottom fixing ring 13, a handle 14, a middle frame 15, a second slide rod 16, a plug 17, a second spring 18 and a beveled block 19. The handle 14 is fixedly connected to the top of the top plate 11, the top of the middle frame 15 is fixedly connected to the bottom end of the top plate 11, the filter element 12 is slidably inserted into the outer side of the middle frame 15, the bottom fixing ring 13 is threadedly connected to the bottom end of the middle frame 15, the second slide rod 16 is symmetrically arranged, and the second slide rod 16 is slidably connected to the bottom end of the bottom fixing ring 13, the plug 17 is threadedly connected to one end of the second slide rod 16, the beveled block 19 is fixedly connected to one end of the second slide rod 16 away from the plug 17, and the second spring 18 is nested on the outer side of the second slide rod 16.

[0021] A sealing ring is provided on the outer side of the bottom fixing ring 13, and the bottom fixing ring 13 is slidably connected to the inside of the partition plate 5, and the bottom end of the bottom fixing ring 13 is close to the top of the support ring 8, and the top of the beveled clamping block 19 is close to the lower end surface of the top of the clamping piece 6. The beveled clamping block 19 is clamped on the lower end surface of the top of the clamping piece 6 and the top of the support ring 8 supports the bottom fixing ring 13, so as to fix the filter device 2.

[0022] The portion of the protective shell 3 located above the partition plate 5 is evenly penetrated with ventilation grooves, so that external air can enter the internal compressor through the ventilation grooves.

[0023] The beveled block 19 is slidably connected to the bottom end of the bottom fixing ring 13 , and the locking and releasing operations of the filter device 2 are achieved by sliding the beveled block 19 inside the bottom fixing ring 13 .

[0024] Working principle: During use, first fix the end of the corrugated hose 4 away from the partition plate 5 to the air inlet of the compressor, and then install the protective shell 3 on the oxygen concentrator by bolts. When the filter element 12 needs to be replaced after working for a period of time, the handle 14 is pushed downward by external force, and the handle 14 drives the top plate 11 to move downward, thereby indirectly driving the bottom fixing ring 13 to move downward, and the movement of the bottom fixing ring 13 drives the bevel block 19 to move downward. When the bevel block 19 moves to the release cone 7, it is squeezed by the release cone 7 to slide toward the inside of the bottom fixing ring 13, and at the same time, the bevel block 19 moves to the release cone 7. The cutting block 19 squeezes the second spring 18 to contract. When the top end of the bevel cutting block 19 moves to below the top end of the release cone 7, the second spring 18 rebounds and pushes the bevel cutting block 19 away from the inside of the bottom fixing ring 13, and then pulls the handle 14 upward through external force. The movement of the handle 14 indirectly drives the bevel cutting block 19 to move upward. When the two bevel cutting blocks 19 move upward, they squeeze the release cone 7 and push the release cone 7 to move upward. When the top end of the release cone 7 moves to the lower end surface of the top end of the clamping piece 6, the release cone 7 squeezes the bevel cutting block 19 to slide toward the inside of the bottom fixing ring 13. When the bevel block 19 moves to the top of the clamping piece 6, the release cone 7 loses its thrust and moves downward under the action of gravity. The bevel block 19 returns to its initial position under the action of the rebound force of the second spring 18. At this time, the filter device 2 can be taken out, and then the bottom fixing ring 13 is twisted away from the filter element 12 by external force. When the bottom fixing ring 13 is completely separated from the middle frame 15, the filter element 12 is pulled out by external force and replaced with a new filter element 12 and inserted into the outside of the middle frame 15. Then, the filter device 2 is inserted into the partition plate 5 by external force. When the bottom end of the bottom fixing ring 13 contacts the support When the top of the ring 8 is reached, the handle 14 is continuously pressed downward by external force, and the bottom fixed ring 13 squeezes the support ring 8 to move downward. The movement of the support ring 8 drives the first spring 10 to slide downward and squeeze the first slide bar 9 to contract until the beveled block 19 moves to the top lower end surface of the fixing member 6, and then the force applied to the handle 14 is removed. At this time, the first slide bar 9 loses the pressure and rebounds to push the support ring 8 to move upward. The movement of the support ring 8 pushes the bottom fixed ring 13 to move upward until the top of the beveled block 19 is close to the top lower end surface of the fixing member 6. At this time, the replacement operation of the filter element 12 is completed.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust cover for a small molecular sieve oxygen generator, comprising a dust cover housing device (1) and a filtering device (2), characterized in that: The filtering device (2) is arranged inside the dust cover shell device (1), and the dust cover shell device (1) comprises a protective shell (3), a corrugated hose (4), a partition plate (5), a clamping piece (6), a release cone (7), a support ring (8), a first slide bar (9) and a first spring (10), wherein the partition plate (5) is fixedly connected to the inner end of the protective shell (3), the bottom end of the clamping piece (6) is fixedly mounted on the inner bottom end of the partition plate (5), the release cone (7) is slidably connected to the clamping piece (6), the top end of the corrugated hose (4) is fixedly connected to the outer side of the bottom end of the partition plate (5), the outer side of the support ring (8) is slidably connected to the inner side of the partition plate (5), the first spring (10) is symmetrically fixedly connected to the bottom end of the support ring (8), and the first spring (10) is slidably connected to the inner side of the partition plate (5), and the first slide bar (9) is nested on the outer side of the first spring (10).

2. The dust cover of the small molecular sieve oxygen generator according to claim 1 is characterized in that: The filtering device (2) comprises a top plate (11), a filter element (12), a bottom fixing ring (13), a handle (14), a middle frame (15), a second sliding rod (16), a plug (17), a second spring (18) and a beveled block (19), wherein the handle (14) is fixedly connected to the top end of the top plate (11), the top end of the middle frame (15) is fixedly connected to the bottom end of the top plate (11), the filter element (12) is slidably plugged into the outside of the middle frame (15), and the bottom The bottom fixing ring (13) is threadedly connected to the bottom end of the middle frame (15), the second sliding rod (16) is symmetrically arranged, and the second sliding rod (16) is slidably connected to the bottom end of the bottom fixing ring (13), the plug (17) is threadedly connected to one end of the second sliding rod (16), the beveled block (19) is fixedly connected to one end of the second sliding rod (16) away from the plug (17), and the second spring (18) is nested on the outside of the second sliding rod (16).

3. The dust cover of the small molecular sieve oxygen generator according to claim 2 is characterized in that: A sealing ring is provided on the outer side of the bottom fixing ring (13), and the bottom fixing ring (13) is slidably connected to the inside of the partition plate (5), and the bottom end of the bottom fixing ring (13) is in close contact with the top end of the support ring (8), and the top end of the beveled clamping block (19) is in close contact with the lower end surface of the top end of the clamping member (6).

4. The dust cover of the small molecular sieve oxygen generator according to claim 3 is characterized in that: The portion of the protective shell (3) located above the partition plate (5) is evenly penetrated with ventilation grooves.

5. The dust cover of the small molecular sieve oxygen generator according to claim 4 is characterized in that: The beveled clamping block (19) is slidably connected to the bottom end of the bottom fixing ring (13).

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