CN215439674U

CN215439674U - Double-cup oxygenerator rear shell

Info

Publication number: CN215439674U
Application number: CN202121714192.4U
Authority: CN
Inventors: 王超
Original assignee: Guangdong Owgels Science And Technology Co ltd
Current assignee: Guangdong Owgels Science And Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-07
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a rear shell of a double-cup oxygenerator, which comprises a rear shell, wherein the rear shell is provided with a first side surface and a second side surface, the first side surface of the rear shell is provided with an opening, the inner side of the opening is provided with a filtering box groove and a clamping groove, a baffle is arranged at an outlet of the filtering box groove, a first buckle structure is arranged on the baffle, and the baffle is detachably arranged at the outlet of the filtering box groove through the first buckle structure; the outside in filter cartridge groove and draw-in groove still is equipped with the apron of admitting air, is equipped with second buckle structure on the apron of admitting air, and the apron of admitting air passes through second buckle structure detachably and installs on the opening. The air inlet cover plate arranged at the opening is used as a primary filtering structure and is detachably arranged on the opening through the second buckle structure, so that the air inlet cover plate is convenient to detach and replace; and the baffle is arranged at the outlet of the filter box groove and can be detachably mounted through the first buckle structure, so that the filter box in the filter box groove can be replaced by detaching the baffle, and the filter device is convenient to detach and replace.

Description

Double-cup oxygenerator rear shell

Technical Field

The utility model relates to an oxygen generator, in particular to a rear shell of a double-cup oxygen generator.

Background

The oxygen generator is a kind of machine for producing oxygen and its principle is that it utilizes air separation technology. The oxygen generator based on molecular sieve principle is filled with molecular sieve, and can adsorb nitrogen in air during pressurizing, collect the residual unabsorbed oxygen and purify to obtain high-purity oxygen.

The molecular sieve oxygen generator generally comprises a filtering device, a compressor and a molecular sieve system, air enters the compressor after passing through the filtering device to be compressed, and then oxygen is separated in a molecular sieve, in the process, the filtering device is a front-end device and is frequently required to be cleaned or replaced due to long-term contact with impurities in the air and the filtered air, but most of the existing filtering devices are fixed inside the oxygen generator, when a user needs to clean and replace the filtering device, the shell needs to be detached at first, so that the filtering device is inconvenient to install and maintain, a large amount of time is wasted, and the working efficiency of the user is reduced.

Therefore, a technical solution to the above problems is needed.

Disclosure of Invention

In order to make up for some defects in the prior art, the utility model aims to provide a double-cup oxygenerator rear shell which is convenient for a filtering device to be detached and replaced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a double-cup oxygenerator rear shell comprises a rear shell body, a first side face and a second side face, wherein the second side face is positioned on two sides of the first side face; a baffle is arranged at the outlet of the filter box groove, a first buckle structure is arranged on the baffle, and the baffle is detachably arranged at the outlet of the filter box groove through the first buckle structure; the filter cartridge is characterized in that air inlet cover plates are further arranged on the outer sides of the filter cartridge grooves and the clamping grooves, second buckle structures are arranged on the peripheries of the air inlet cover plates, and the air inlet cover plates are detachably mounted on the openings through the second buckle structures.

The utility model has the following effects: compared with the prior art, the air inlet cover plate arranged at the opening is used as a primary filtering structure of the oxygen generator and is installed on the opening through the second buckle structure, and the air inlet cover plate is convenient to detach and replace; the filter box arranged in the filter box groove is blocked by the baffle arranged at the outlet of the filter box groove, the baffle is installed through the first buckle structure, the filter box is convenient to disassemble, the baffle can be disassembled to replace the filter box, and the filter device is convenient to disassemble and replace.

In some embodiments, a plurality of air inlets are arranged on the air inlet cover plate, and the air inlet direction of the air inlets is arranged to be inclined upwards. From this, when the air was got into by the apron of admitting air, through the ascending air inlet entering of slope, not directly get into the casing in, partial impurity is stained with easily on the apron of admitting air, can also have the better effect of filter effect.

In some embodiments, the rear end of the filter cartridge slot is provided with a first through hole and a second through hole, and the front end of the card slot is provided with a protective mesh structure. Therefore, the filter box arranged in the filter box groove can suck air through the first through hole, and the filter box is provided with the air conveying pipe which extends out of the second through hole and is connected to the compressor.

In some embodiments, a handle is further disposed on a side surface of the rear shell, the rear shell is provided with a limiting member on a second side surface, the limiting member is of a U-shaped structure, and a U-shaped opening is disposed on the limiting member and inserted into a side surface of the handle, so that the handle is limited on the rear shell. From this, the backshell casing can carry through the attacker, makes two oxygenerators can also have the effect of convenient transport.

In some embodiments, the periphery of the rear shell housing is further provided with a convex edge, so that the convex edge can also have an effect of facilitating the positioning connection between the rear shell housing and the front shell housing, and the rear shell housing is provided with a chamfer structure at a corner between the first side surface and the second side surface.

In some embodiments, the rear shell housing is further provided with reinforcing ribs and heat dissipation ports, and the reinforcing ribs are criss-crossed on the bottom surface of the rear shell housing. Thus, the reinforcing ribs can also have the effect of reinforcing the strength of the housing.

In some embodiments, the bottom surface of the rear shell housing is further provided with a connecting hole, and a universal wheel is connected to the connecting hole.

Drawings

FIG. 1 is a perspective view of the rear housing of a dual-cup oxygen generator according to some embodiments of the present invention, viewed from the back;

FIG. 2 is a perspective view of the rear housing of a dual-cup oxygen generator of some embodiments of the present invention, viewed from the front;

FIG. 3 is a schematic exploded view of the rear housing of a dual-cup oxygen generator according to some embodiments of the present invention;

FIG. 4 is a bottom view of the rear housing of a dual cup oxygenerator according to some embodiments of the present invention;

FIG. 5 is a schematic structural view of a baffle according to some embodiments of the present invention;

FIG. 6 is a schematic structural view of an intake cover plate according to some embodiments of the present invention;

FIG. 7 is a schematic structural view of a buckle according to some embodiments of the present invention;

FIG. 8 is a schematic structural diagram of a position limiter according to some embodiments of the present invention;

in the figure: 1. a rear housing shell; 2. an opening; 3. a filter cartridge slot; 31. a baffle plate; 32. a first snap structure; 33. a first through hole; 34. a second through hole; 4. a card slot; 41. a protective mesh structure; 5. an air inlet cover plate; 51. a second snap structure; 52. an air inlet; 6. buckling a handle; 61. a limiting member; 62. a U-shaped opening; 7. a convex edge; 8. a chamfering structure; 9. a heat dissipation port; 10. reinforcing ribs; 11. connecting holes; 12. A universal wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows a double-cup oxygenerator back shell used on an oxygenerator, which is matched with a double-cup oxygenerator front shell to form a shell of the oxygenerator and is used for protecting equipment such as a compressor, a filtering device, a molecular sieve and the like which are arranged inside the oxygenerator.

Referring to fig. 1 to 8, the double-cup oxygenerator backshell includes a backshell casing 1, the backshell casing has a first side and a second side that is located first side both sides, the first side is equipped with an opening 2, 2 inboard openings are equipped with filter box groove 3 that is used for installing the filter box and draw-in groove 4 that is used for installing the fan, the fan is installed and is used for extracting air from the oxygenerator outside and gets into in the oxygenerator on draw-in groove 4, be used for installing the filter box in the filter box groove 3, the filter box can send the compressor after filtering the air that the fan extracted, and filter box groove 3 and the outside of draw-in groove 4 still are equipped with air inlet cover plate 5, make oxygenerator outside air get into draw-in groove 4 and filter box groove 3 again after air inlet cover plate 5.

The filtering box groove 3 is provided with a baffle 31 at the outlet, which can prevent air entering from the air inlet cover plate 5 from directly entering the filtering box groove 3, the baffle 31 is provided with a first buckle structure 32, the baffle 31 is detachably arranged at the outlet of the filtering box groove 3 through the first buckle structure 32, so that the baffle 31 is convenient to detach at the outlet of the filtering box groove 3, the rear end of the filtering box groove 3 is provided with a first through hole 33 and a second through hole 34, the filtering box in the filtering box groove 3 can suck air through the first through hole 33, the filtering box is connected with a gas pipe, and the gas pipe extends out from the second through hole 34 and is connected to a compressor in the oxygen generator; and a protective net structure 41 is further arranged at the front end of the clamping groove 4 for mounting the fan to protect the fan.

The periphery of the air inlet cover plate 5 is provided with a second buckle structure 51, and the air inlet cover plate 5 is detachably mounted on the opening 2 through the second buckle structure 51, so that the air inlet cover plate 5 is conveniently dismounted on the opening 2. Be equipped with a plurality of air inlets 52 on the apron 5 of admitting air, the direction of admitting air of air inlet 52 sets up to the slope upwards, when the fan that sets up on the draw-in groove 4 extracted the air from the oxygenerator outside and gets into the oxygenerator, when the air was entered into by the apron 5 of admitting air, get into through the ascending air inlet 52 of slope, partial impurity in the air is stained with easily on air inlet 52, can carry out the one-level filtration to the air, because the decurrent setting of air inlet 52 slope moreover, impurity is stained with and can not fall into in backshell casing 1 because of the action of gravity after it.

All be equipped with attacker 6 on the second side of backshell casing 1, still be equipped with locating part 61 at the second side of backshell casing 1, locating part 61 is U type structure, and it sets up U type opening 62 and inserts the side of attacker 6 is spacing on backshell casing 1 with attacker 6, makes attacker 6 install on backshell casing 1, can carry through attacker 6 when the oxygenerator uses, makes the oxygenerator conveniently carry.

The periphery of the rear shell body 1 is also provided with a convex edge 7, so that the rear shell body 1 can be conveniently positioned and connected with the front shell body of the double-cup oxygenerator when being matched; the rear shell body 1 is provided with a chamfer angle structure 8 at the corner between the first side face and the second side face, so that the rear shell can prevent collision injury; the bottom of the rear shell body 1 is provided with a heat radiation port 9 for the heat radiation of the oxygen generator; the bottom surface of the rear shell 1 is provided with the reinforcing ribs 10, and the reinforcing ribs 10 are criss-cross on the bottom surface of the rear shell 1, so that the strength of the rear shell 1 can be enhanced; the bottom surface of the rear shell body 1 is also provided with a connecting hole 11, and the connecting hole 11 is connected with a universal wheel 12.

The working principle is as follows: when the double-cup oxygen generator is used, the rear shell 1 is connected with the front shell of the double-cup oxygen generator, a containing cavity of the oxygen generator is formed in the rear shell, a compressor and a molecular sieve system are arranged in the containing cavity, a filter box is arranged in the filter box groove 3, and the filter box is provided with a gas pipe which extends from the second through hole 34 and is connected with the compressor. When oxygenerator system oxygen, start the fan on draw-in groove 4, from opening 2 air intakes, the air enters into in the oxygenerator after 5 one-level filters of apron through admitting air, because baffle 31 block the effect, the air can not directly get into backshell casing 1 after 5 through the apron of admitting air, but the fan through draw-in groove 4 inhales, afterwards, the air carries out the second grade through the filter cartridge that first through-hole 33 got into in the filter cartridge groove 3 and filters, the air after the second grade filters enters into the compressor by the gas-supply pipe of being connected with the filter cartridge and compresses, the air after the compression carries out oxygen separation by the molecular sieve system again. In the process, the air inlet cover plate 5 for primary filtration and the filter box for secondary filtration are mounted on the rear shell body 1, the baffle plate 31 and the air inlet cover plate 5 can be dismounted and mounted through the first buckle structure 32 and the second buckle structure 51, the filter device can be dismounted conveniently, and the filter device can be cleaned or replaced, so that the rear shell body 1 in the utility model can facilitate the dismounting and replacement of the filter device in the oxygenerator.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. The double-cup oxygenerator rear shell is characterized by comprising a rear shell body, wherein the rear shell body is provided with a first side surface and a second side surface positioned on two sides of the first side surface, the first side surface is provided with an opening, and a filter box groove for installing a filter box and a clamping groove for installing a fan are arranged in the opening; the outlet of the filter box groove is provided with a baffle plate, the baffle plate is provided with a first buckle structure, and the baffle plate is detachably arranged at the outlet of the filter box groove through the first buckle structure; the filter cartridge is characterized in that an air inlet cover plate is arranged on the outer sides of the filter cartridge groove and the clamping groove, a second buckle structure is arranged on the periphery of the air inlet cover plate, and the air inlet cover plate is detachably arranged on the opening through the second buckle structure.

2. The double-cup oxygenerator rear shell of claim 1, wherein a plurality of air inlets are arranged on the air inlet cover plate, and the air inlet direction of the air inlets is arranged to be inclined upwards.

3. The double-cup oxygenerator rear shell of claim 1, wherein the rear end of the filter cartridge slot is provided with a first through hole and a second through hole, and the front end of the clamping slot is provided with a protective mesh structure.

4. The rear shell of a double-cup oxygenerator in claim 1, wherein a buckle is further arranged on the second side surface of the rear shell body, and a limiting member is arranged on the inner side of the rear shell body, so that the buckle is fixed on the shell body.

5. The rear shell of the double-cup oxygenerator of claim 4, wherein the limiting member is a U-shaped structure, and a U-shaped opening is arranged on the limiting member to be inserted into the side surface of the handle to limit the handle on the rear shell.

6. The double-cup oxygenerator back shell of claim 1, wherein a convex edge is further disposed on the periphery of the back shell body, and a chamfer structure is disposed at a corner between the first side surface and the second side surface of the back shell body.

7. The rear shell of the double-cup oxygenerator of claim 1, wherein the rear shell body is further provided with reinforcing ribs and heat dissipation ports, and the reinforcing ribs are criss-cross on the bottom surface of the rear shell body.

8. The rear shell of the double-cup oxygenerator of claim 1, wherein the bottom surface of the rear shell body is further provided with a connecting hole, and the connecting hole is connected with a universal wheel.