CN220779477U

CN220779477U - Air filter for pressure swing adsorption oxygenerator

Info

Publication number: CN220779477U
Application number: CN202322484202.5U
Authority: CN
Inventors: 任瑞; 夏政
Original assignee: Hangzhou Turbine Dyeing And Finishing Machinery Co ltd
Current assignee: Hangzhou Turbine Dyeing And Finishing Machinery Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-16
Anticipated expiration: 2033-09-13

Abstract

The utility model relates to the technical field of oxygenerators and discloses an air filter for a pressure swing adsorption oxygenerator, which comprises an oxygenerator shell, wherein a fixed net frame is fixedly connected to the middle of the bottom of a top cover, filter cotton is arranged on the inner side of the fixed net frame, an annular plate is fixedly sleeved at the bottom of the outer side of an air inlet pipe, fixing grooves are formed in the front surface and the back surface of the annular plate, an elastic component is fixedly connected to the bottom of the annular plate, a connecting plate is fixedly connected to the bottom of the connecting plate, an inner net frame is fixedly connected to the front surface and the back surface of the fixed frame, cylindrical holes are formed in the front surface and the back surface of the fixed frame, a fixing rod is movably sleeved at the inner side of the cylindrical holes, a round block is fixedly connected to one end, far away from the fixed frame, of the fixing rod is movably sleeved with a second spring, and the quick disassembly and installation of the filter cotton can be realized by arranging a fixing component, and the top cover of the oxygenerator is not required to be opened.

Description

Air filter for pressure swing adsorption oxygenerator

Technical Field

The utility model relates to the technical field of oxygenerators, in particular to an air filter for a pressure swing adsorption oxygenerator.

Background

A pressure swing adsorption oxygenerator is a device for separating oxygen and nitrogen in air by the principle of adsorption and release of gas, and the oxygen generation process is approximately as follows: the compressed air is filtered and purified to remove water, greasy dirt and other impurities, the compressed air is compressed by a compressor to improve the gas density and pressure, the compressed air enters a molecular sieve adsorbent bed, nitrogen and other impurity gases are adsorbed, the oxygen-enriched gas passes through the adsorbent bed, the adsorbent bed is regenerated by a control system after being saturated, the adsorbed nitrogen and impurity gases are released by reverse pressure and decompression operation, and the residual impurity gases are removed by a purification system to output high-purity oxygen.

The air filter on the oxygenerator is a device for filtering the external air and separating the external air through the oxygenerator, and is an important component part on the oxygenerator. The existing oxygenerator air filter has certain defects when in use, the oxygenerator air filter is generally arranged in an oxygenerator case, and the case needs to be opened when in replacement, which is time-consuming and troublesome;

after the gas is led into the air filter, the gas is not guided and dispersed, so that the condition purification filter screen in the air purifier is usually saturated in a certain part, and the replacement speed of the filter screen is accelerated.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an air filter for a pressure swing adsorption oxygenerator, which solves the above-mentioned problems of the prior art.

The utility model provides the following technical scheme: the utility model provides an air cleaner for pressure swing adsorption oxygenerator, includes oxygenerator shell, oxygenerator shell's top is connected with the top lid, the top fixedly connected with fixed subassembly of top lid, the inboard activity of fixed subassembly has cup jointed the intake pipe, the centre fixedly connected with fixed network frame in top lid bottom, the inboard of fixed network frame is provided with the filter pulp, the bottom outside the intake pipe is fixed to cup joint the annular plate, the fixed slot has all been seted up to the front and the back of annular plate, the bottom fixedly connected with elastic component of annular plate, the bottom fixedly connected with connecting plate of elastic component, the bottom fixedly connected with inside network frame of connecting plate;

the fixed subassembly includes the fixed frame, the cylinder hole has all been seted up to the front and the back of fixed frame, the dead lever has been cup jointed in the inboard activity in cylinder hole, the dead lever is kept away from the one end fixedly connected with circle piece of fixed frame, the outside activity of dead lever has cup jointed the second spring, the one end and the fixed frame fixed connection of second spring, the other end and the circle piece fixed connection of second spring.

Further, the middle of connecting plate bottom fixedly connected with equipartition board, the equipartition board is located the inboard of inside screen frame.

Further, the fixing groove is mutually matched with the fixing rod.

Further, limiting grooves are formed in two sides of the inner side of the fixed frame, limiting blocks are fixedly connected to two sides of the annular plate, and the limiting blocks are mutually matched with the limiting grooves.

Further, the elastic component comprises a cylindrical pipe, the top of the cylindrical pipe is fixedly connected with the bottom of the annular plate, a first spring is fixedly connected to the inner side of the cylindrical pipe, a cylindrical block is fixedly connected to the other end of the first spring, the cylindrical block is movably sleeved with the cylindrical pipe, and the bottom of the cylindrical block is fixedly connected with the top of the connecting plate.

Further, one end of the top of the fixing rod, which is far away from the round block, is an inclined surface.

The utility model has the technical effects and advantages that:

1. according to the utility model, the fixing assembly is arranged, the round block is pulled in the direction away from the fixing frame, so that the fixing rod is separated from the fixing groove, the annular plate is sprung upwards under the action of the elastic force of the first spring, so that the annular plate is separated from the fixing frame, the filtering cotton is conveniently taken out, when new filtering cotton needs to be installed, the filtering cotton is sleeved on the outer side of the inner net frame, then the inner net frame is vertically and downwards inserted into the inner side of the fixing net frame, meanwhile, the annular plate is inserted into the inner side of the fixing assembly, the inclined surface of the fixing rod is extruded by the annular plate bottom plate to retract into the inner side of the cylindrical hole, and when the fixing groove is aligned with the cylindrical hole, the fixing rod stretches into the inner side of the fixing groove under the elastic force of the second spring, so that the fixing of the annular plate and the inner net frame is completed.

2. According to the utility model, the uniform distribution plates are arranged, so that the uniform distribution plates can play a role in air diversion, and when air enters the inner side of the inner net frame through the air inlet pipe, the air can more uniformly pass through the periphery and the bottom of the filter cotton, so that the utilization rate of the filter cotton is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a fixed frame structure according to the present utility model.

Fig. 3 is a schematic view of the structure of the filter cotton of the present utility model.

Fig. 4 is a schematic diagram of a structure of a uniform distribution plate according to the present utility model.

Fig. 5 is a schematic structural view of a fixing assembly according to the present utility model.

FIG. 6 is a schematic diagram of a resilient member according to the present utility model.

The reference numerals are: 1. an oxygenerator housing; 101. a top cover; 102. an air inlet pipe; 121. an annular plate; 122. a fixing groove; 123. a limiting block; 103. fixing the net frame; 104. filtering cotton; 105. an internal frame; 106. an elastic component; 161. a cylindrical tube; 162. a first spring; 163. a cylindrical block; 107. a connecting plate; 108. uniformly distributing plates; 2. a fixing assembly; 201. a fixed frame; 202. a limit groove; 203. a cylindrical hole; 204. a fixed rod; 205. round blocks; 206. and a second spring.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configuration of each structure described in the following embodiments is merely an example, and an air filter for a pressure swing adsorption oxygenerator according to the present utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of the present utility model.

Referring to fig. 1-6, the utility model provides an air filter for a pressure swing adsorption oxygenerator, which comprises an oxygenerator shell 1, wherein the top of the oxygenerator shell 1 is connected with a top cover 101, the top of the top cover 101 is fixedly connected with a fixing component 2, the inner side of the fixing component 2 is movably sleeved with an air inlet pipe 102, the middle of the bottom of the top cover 101 is fixedly connected with a fixing net frame 103, the inner side of the fixing net frame 103 is provided with filter cotton 104, the bottom of the outer side of the air inlet pipe 102 is fixedly sleeved with an annular plate 121, the front surface and the back surface of the annular plate 121 are respectively provided with a fixing groove 122, the bottom of the annular plate 121 is fixedly connected with an elastic component 106, the bottom of the elastic component 106 is fixedly connected with a connecting plate 107, and the bottom of the connecting plate 107 is fixedly connected with an inner net frame 105;

the fixed assembly 2 comprises a fixed frame 201, cylindrical holes 203 are formed in the front face and the back face of the fixed frame 201, a fixed rod 204 is movably sleeved on the inner side of the cylindrical holes 203, a round block 205 is fixedly connected to one end, far away from the fixed frame 201, of the fixed rod 204, a second spring 206 is movably sleeved on the outer side of the fixed rod 204, one end of the second spring 206 is fixedly connected with the fixed frame 201, and the other end of the second spring 206 is fixedly connected with the round block 205.

In this embodiment, the filter cotton 104 is located between the fixed frame 103 and the inner frame 105, when the filter cotton 104 needs to be cleaned or replaced, the round block 205 is pulled towards the direction away from the fixed frame 201, so that the fixing rod 204 is separated from the fixing groove 122, under the action of the elastic force of the first spring 162, the annular plate 121 is sprung upwards, so that the annular plate 121 is separated from the fixed frame 201, the filter cotton 104 is conveniently taken out, when new filter cotton 104 needs to be installed, the filter cotton 104 is firstly sleeved on the outer side of the inner frame 105, then the inner frame 105 is vertically downwards inserted into the inner side of the fixed frame 103, meanwhile, the annular plate 121 is inserted into the inner side of the fixing assembly 2, the inclined surface of the fixing rod 204 is extruded by the bottom plate of the annular plate 121 to retract into the inner side of the cylindrical hole 203, and when the fixing groove 122 is aligned with the cylindrical hole 203, the annular plate 204 stretches into the inner side of the fixing groove 122 under the action of the elastic force of the second spring 206, and the fixing of the annular plate 121 and the inner frame 105 is completed.

In a preferred embodiment, the middle of the bottom of the connecting plate 107 is fixedly connected with a uniform distribution plate 108, the uniform distribution plate 108 can play a role in air diversion, and when air enters the inner side of the inner net frame 105 through the air inlet pipe 102, the air can more uniformly pass through the periphery and the bottom of the filter cotton 104, so that the utilization rate of the filter cotton 104 is improved, and the uniform distribution plate 108 is positioned at the inner side of the inner net frame 105.

In a preferred embodiment, the fixing groove 122 is matched with the fixing rod 204, when the fixing groove 122 is aligned with the cylindrical hole 203, the fixing rod 204 stretches into the fixing groove 122 under the elastic force of the second spring 206, and the fixing of the annular plate 121 and the inner screen frame 105 is completed.

In a preferred embodiment, both sides of the inner side of the fixed frame 201 are provided with limiting grooves 202, both sides of the annular plate 121 are fixedly connected with limiting blocks 123, the limiting blocks 123 are mutually matched with the limiting grooves 202, and the annular plate 121 can be positioned through the matching of the limiting grooves 202 and the limiting blocks 123, so that the fixed grooves 122 are aligned with the cylindrical holes 203.

In a preferred embodiment, the elastic component 106 includes a cylindrical tube 161, the top of the cylindrical tube 161 is fixedly connected with the bottom of the annular plate 121, the inner side of the cylindrical tube 161 is fixedly connected with a first spring 162, the other end of the first spring 162 is fixedly connected with a cylindrical block 163, the cylindrical block 163 is movably sleeved with the cylindrical tube 161, the bottom of the cylindrical block 163 is fixedly connected with the top of the connecting plate 107, when the annular plate 121 is inserted into the inner side of the fixing component 2, the first spring 162 is compressed, so that the inner screen frame 105 can be extruded, and the filter cotton 104 can be better attached to the fixed screen frame 103, and when the round block 205 is pulled outwards, the annular plate 121 is sprung upwards under the elastic force of the first spring 162, so that the annular plate 121 can be separated from the fixed frame 201, and the filter cotton 104 can be conveniently taken out.

In a preferred embodiment, the end of the top of the securing lever 204 remote from the knob 205 is an inclined surface.

The working principle of the utility model is as follows: the filter cotton 104 is positioned between the fixed net frame 103 and the inner net frame 105, when the filter cotton 104 needs to be cleaned or replaced, the round block 205 is pulled in a direction away from the fixed frame 201, so that the fixed rod 204 is separated from the fixed groove 122, under the action of the elastic force of the first spring 162, the annular plate 121 is sprung upwards, so that the annular plate 121 is separated from the fixed frame 201, the filter cotton 104 is conveniently taken out, when new filter cotton 104 needs to be installed, the filter cotton 104 is sleeved on the outer side of the inner net frame 105, then the inner net frame 105 is vertically inserted downwards into the inner side of the fixed net frame 103, meanwhile, the annular plate 121 is inserted into the inner side of the fixed assembly 2, the inclined surface of the fixed rod 204 is extruded by the bottom plate of the annular plate 121 to retract into the inner side of the cylindrical hole 203, and when the fixed groove 122 is aligned with the cylindrical hole 203, the annular plate 121 stretches into the inner side of the fixed groove 122 under the elastic force of the second spring 206, and the fixation of the annular plate 121 and the inner net frame 105 is completed;

the uniform distribution plate 108 can play a role in air diversion, so that when air enters the inner side of the inner net frame 105 through the air inlet pipe 102, the air can more uniformly pass through the periphery and the bottom of the filter cotton 104, and the utilization rate of the filter cotton 104 is improved.

Finally: the foregoing description of the preferred embodiment of the present application is not intended to limit the utility model to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, alternatives, and alternatives falling within the spirit and scope of the utility model.

Claims

1. An air filter for a pressure swing adsorption oxygenerator, comprising an oxygenerator housing (1), characterized in that: the top of oxygenerator shell (1) is connected with top lid (101), the top fixedly connected with fixed subassembly (2) of top lid (101), intake pipe (102) have been cup jointed in the inboard activity of fixed subassembly (2), the centre fixedly connected with fixed frame (103) of top lid (101) bottom, the inboard of fixed frame (103) is provided with filter pulp (104), annular plate (121) have been cup jointed in the bottom of intake pipe (102) outside fixedly, fixed slot (122) have all been seted up on the front and the back of annular plate (121), the bottom fixedly connected with elastic component (106) of annular plate (121), the bottom fixedly connected with connecting plate (107) of elastic component (106), the bottom fixedly connected with inside frame (105) of connecting plate (107);

the fixing assembly (2) comprises a fixing frame (201), cylindrical holes (203) are formed in the front face and the back face of the fixing frame (201), fixing rods (204) are movably sleeved on the inner sides of the cylindrical holes (203), round blocks (205) are fixedly connected to one ends of the fixing rods (204) away from the fixing frame (201), second springs (206) are movably sleeved on the outer sides of the fixing rods (204), one ends of the second springs (206) are fixedly connected with the fixing frame (201), and the other ends of the second springs (206) are fixedly connected with the round blocks (205).

2. An air filter for a pressure swing adsorption oxygenerator as claimed in claim 1, wherein: the middle of connecting plate (107) bottom fixedly connected with equipartition board (108), equipartition board (108) are located the inboard of inside screen frame (105).

3. An air filter for a pressure swing adsorption oxygenerator as claimed in claim 1, wherein: the fixing groove (122) is mutually matched with the fixing rod (204).

4. An air filter for a pressure swing adsorption oxygenerator as claimed in claim 1, wherein: limiting grooves (202) are formed in two sides of the inner side of the fixed frame (201), limiting blocks (123) are fixedly connected to two sides of the annular plate (121), and the limiting blocks (123) are mutually matched with the limiting grooves (202).

5. An air filter for a pressure swing adsorption oxygenerator as claimed in claim 1, wherein: the elastic component (106) comprises a cylindrical pipe (161), the top of the cylindrical pipe (161) is fixedly connected with the bottom of the annular plate (121), a first spring (162) is fixedly connected to the inner side of the cylindrical pipe (161), a cylindrical block (163) is fixedly connected to the other end of the first spring (162), the cylindrical block (163) is movably sleeved with the cylindrical pipe (161), and the bottom of the cylindrical block (163) is fixedly connected with the top of the connecting plate (107).

6. An air filter for a pressure swing adsorption oxygenerator as claimed in claim 1, wherein: one end of the top of the fixed rod (204) far away from the round block (205) is an inclined surface.