Medical central oxygen supply device with multiple filtering structures

Abstract

The utility model relates to the technical field of oxygen supply devices, and discloses a medical central oxygen supply device with a multi-filtering structure, which comprises a switching controller, an oxygen pipe is arranged on one side of the switching controller, a filter element of the medical central oxygen supply device can preliminarily filter oxygen, and biochemical cotton has both biochemical filtering and physical filtering functions. Large particles in oxygen can be primarily filtered, then secondary filtration is carried out through PP filter cotton, colloidal substances in the oxygen can be decomposed through anaerobic nitrifying bacteria by quartz culture balls, polluted oxygen can be improved, and then the oxygen is finally filtered through activated carbon cotton. The activated carbon cotton can purify the foul oxygen, so that the oxygen in the oxygen pipe can be fully filtered and purified through multiple filtration, the quality of the filtered oxygen is ensured, the oxygen is purer, and a filter element can be regularly disassembled and replaced through the arrangement of the first filter assembly, so that the oxygen filtering effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen supply devices, in particular to a medical central oxygen supply device with a multiple filtering structure. Background Art

[0002] The central oxygen supply system is composed of gas source, control device, oxygen supply pipeline and other parts. The centralized oxygen supply system concentrates the oxygen source in one place. The high-pressure oxygen of the gas source is transported to each gas terminal through pipeline after being reduced in pressure. A quick-connect sealed socket is provided at each gas terminal. Gas can be supplied by plugging in gas-using equipment (oxygen humidifier, ventilator, etc.). It is mainly used for oxygen supply in hospital wards, emergency rooms, observation rooms and operating rooms. When the medical central oxygen supply system passes through the oxygen pipeline and enters the switching controller, it needs to pass through a filter to filter the oxygen to improve the purity of the oxygen. Therefore, a medical central oxygen supply device with a multiple filtering structure is required.

[0003] Chinese patent CN219354942U discloses a medical central oxygen supply system with a multiple filtering structure, including a switching control device, oxygen tubes are arranged on both sides of the switching control device, a stop valve is arranged on the oxygen tube, a connecting pipe is arranged on the stop valve, an oxygen cylinder is arranged on the connecting pipe, a gas valve is arranged on the upper end of the oxygen cylinder, a filtering mechanism is arranged on the oxygen tube near the switching control device, a filter is arranged on the filtering mechanism, a rubber column is arranged on the outer side of the oxygen tube, and a protective piece is arranged on the rubber column. The patent sets a filtering mechanism and a filter, and three groups of filters are arranged in the filtering mechanism and are interconnected. When oxygen enters the switching control device through the oxygen tube, it will pass through the three groups of filters, thereby performing multiple filtering on the oxygen, making the oxygen purer. By setting rubber columns and protective pieces, external forces can be buffered, thereby reducing the impact of external forces on the oxygen tube. However, the filtering structure of the patent is relatively simple, and it cannot effectively filter oxygen. After long-term use, the filtering effect of the filter will inevitably be reduced, and the patent cannot disassemble and replace the filtering mechanism, thereby reducing the filtering effect of the medical central oxygen supply device. Utility Model Content

[0004] The purpose of the present invention is to provide a medical central oxygen supply device with a multiple filtering structure in order to solve the above problems. The device utilizes a first filter component and a second filter component to achieve double filtering and easy disassembly and replacement, thereby solving the problems mentioned in the background technology.

[0005] In order to solve the above problems, the utility model provides a technical solution:

[0006] A medical central oxygen supply device with a multiple filtering structure comprises a switching controller, an oxygen tube is arranged on one side of the switching controller, a stop valve is arranged on the oxygen tube, a connecting tube is arranged on the stop valve, an air valve is arranged on the connecting tube, an oxygen cylinder is fixedly connected to one end of the connecting tube away from the oxygen tube, and a first filter assembly and a second filter assembly are arranged on the oxygen tube.

[0007] As a preferred solution of the utility model, the first filter assembly includes a first filter cartridge, the first filter cartridge is fixedly connected to the oxygen tube, the interior of the first filter cartridge is detachably connected to a cylinder, and the interior of the cylinder is fixedly connected to a filter element.

[0008] As a preferred solution of the utility model, the outside of the cylinder is fixedly connected with two fixing blocks, the insides of the two fixing blocks are threadedly connected with fixing bolts, and the bottom ends of the two fixing bolts extend into the inside of the first filter cartridge.

[0009] As a preferred solution of the utility model, the second filter assembly includes a second filter cartridge, the second filter cartridge is fixedly connected to the oxygen tube, and a biochemical cotton is arranged inside the second filter cartridge.

[0010] As a preferred solution of the utility model, PP filter cotton is provided inside the second filter cartridge and on one side of the biochemical cotton, and a quartz culture ball is provided inside the second filter cartridge and on the side of the PP filter cotton away from the biochemical cotton.

[0011] As a preferred solution of the utility model, activated carbon cotton is provided inside the second filter cartridge and located on the side of the quartz culture ball away from the PP filter cotton.

[0012] The beneficial effect of the utility model is that the oxygen entering the oxygen pipe is firstly filtered by the filter element in the first filter cartridge, and then passes through the biochemical cotton and PP filter cotton arranged in the second filter cartridge. The biochemical cotton has both biochemical filtration and physical filtration functions, and can perform initial filtration on larger particles in the oxygen, and then pass through the PP filter cotton for secondary filtration. The filtered oxygen passes through the quartz culture ball again, and the colloidal substances in the oxygen can be decomposed by anaerobic nitrifying bacteria, and the polluted oxygen can be improved. The oxygen is then finally filtered through the activated carbon cotton, and the activated carbon cotton can purify the odorous oxygen. Therefore, the oxygen in the oxygen pipe can be fully filtered and purified through multiple filtrations, the quality of the oxygen after filtration is guaranteed, and the oxygen is made purer. Through the setting of the first filter component, the cylinder can be disassembled from the first filter cartridge, and the filter element in the cylinder can be replaced after the cylinder is disassembled, thereby improving the filtering effect of the oxygen. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] For ease of explanation, the present invention is described in detail by the following specific implementations and drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the first filter assembly of the utility model;

[0016] Figure 3 It is a schematic diagram of the second filter assembly of the utility model.

[0017] In the figure: 1. oxygen pipe; 2. stop valve; 3. connecting pipe; 4. air valve; 5. oxygen cylinder; 6. first filter assembly; 61. first filter cartridge; 62. cylinder; 63. filter element; 64. fixing block; 65. fixing bolt; 7. second filter assembly; 71. second filter cartridge; 72. biochemical cotton; 73. PP filter cotton; 74. quartz culture ball; 75. activated carbon cotton; 8. switching controller. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] Example:

[0020] See also Figure 1 - Figure 3The utility model provides a technical solution: a medical central oxygen supply device with a multiple filtering structure, including a switching controller 8, an oxygen tube 1 is arranged on one side of the switching controller 8, a stop valve 2 is arranged on the oxygen tube 1, a connecting pipe 3 is arranged on the stop valve 2, a gas valve 4 is arranged on the connecting pipe 3, an oxygen cylinder 5 is fixedly connected to the end of the connecting pipe 3 away from the oxygen tube 1, a first filter assembly 6 and a second filter assembly 7 are arranged on the oxygen tube 1, the first filter assembly 6 includes a first filter cartridge 61, the first filter cartridge 61 is fixedly connected to the oxygen tube 1, a cylinder 62 is detachably connected to the interior of the first filter cartridge 61, a filter element 63 is fixedly connected to the interior of the cylinder 62, two fixed blocks 64 are fixedly connected to the exterior of the cylinder 62, and the interiors of the two fixed blocks 64 are A fixing bolt 65 is threadedly connected. After the filter element 63 has been used for a period of time, in order to avoid affecting the filtering effect, a tool can be used to rotate the fixing bolt 65 in the opposite direction to disengage the fixing bolt 65 from the first filter cartridge 61. At this time, the cylinder 62 can be removed from the first filter cartridge 61. After the cylinder 62 is removed, the filter element 63 in the cylinder 62 can be replaced. Thus, the filtering effect of oxygen can be improved. The bottom ends of the two fixing bolts 65 extend into the first filter cartridge 61, which will open the air valve 4 and the stop valve 2, so that the oxygen in the oxygen cylinder 5 enters the connecting pipe 3, and then enters the oxygen pipe 1 through the stop valve 2. The oxygen entering the oxygen pipe 1 first passes through the first filter cartridge 61, and the filter element 63 inside the first filter cartridge 61 performs preliminary filtration on the oxygen.

[0021] Furthermore, the second filter assembly 7 includes a second filter cartridge 71, which is fixedly connected to the oxygen tube 1. A biochemical cotton 72 is arranged inside the second filter cartridge 71, a PP filter cotton 73 is arranged inside the second filter cartridge 71 and located on one side of the biochemical cotton 72, a quartz culture ball 74 is arranged inside the second filter cartridge 71 and located on the side of the PP filter cotton 73 away from the biochemical cotton 72, and an activated carbon cotton 75 is arranged inside the second filter cartridge 71 and located on the side of the quartz culture ball 74 away from the PP filter cotton 73. The biochemical cotton 72 and the PP filter cotton 73 arranged in the second filter cartridge 71 have both biochemical filtration and physical filtration. The function is to filter the larger particles in the oxygen for the first time, and then perform a secondary filtration through the PP filter cotton 73. The filtered oxygen passes through the quartz culture ball 74, and the colloidal substances in the oxygen can be decomposed by anaerobic nitrifying bacteria, so that the polluted oxygen can be improved. The oxygen is then finally filtered through the activated carbon cotton 75, and the activated carbon cotton 75 can purify the odorous oxygen. Therefore, the oxygen in the oxygen pipe 1 can be fully filtered and purified through multiple filtrations, ensuring the quality of the oxygen after filtration and making the oxygen purer. After that, the oxygen enters the switching controller 8 and is finally supplied to the oxygen-using equipment.

[0022] In summary: when in use, the air valve 4 and the stop valve 2 are opened to allow the oxygen in the oxygen cylinder 5 to enter the connecting pipe 3, and then enter the oxygen tube 1 through the stop valve 2. The oxygen entering the oxygen tube 1 first passes through the filter element 63 in the first filter cartridge 61 for preliminary filtration of the oxygen, and then the oxygen enters the oxygen tube 1 again, and passes through the biochemical cotton 72 and PP filter cotton 73 provided in the second filter cartridge 71. The biochemical cotton 72 has both biochemical filtration and physical filtration functions, and can perform initial filtration on larger particles in the oxygen, and then perform secondary filtration through the PP filter cotton 73. The filtered oxygen passes through the quartz culture ball 74, and can decompose the colloidal substances in the oxygen through anaerobic nitrifying bacteria, and can remove the contaminated oxygen. The gas is improved, and then the oxygen is finally filtered through the activated carbon cotton 75, and the activated carbon cotton 75 can purify the malodorous oxygen. Therefore, the oxygen in the oxygen tube 1 can be fully filtered and purified through multiple filtrations, ensuring the quality of the oxygen after filtration and making the oxygen purer. Then the oxygen enters the switching controller 8 and is finally supplied to the oxygen-using equipment. After the filter element 63 has been used for a period of time, in order to avoid affecting the filtering effect, a tool can be used to rotate the fixing bolt 65 in the opposite direction to disengage the fixing bolt 65 from the first filter cartridge 61. At this time, the cylinder 62 can be removed from the first filter cartridge 61. After the cylinder 62 is removed, the filter element 63 in the cylinder 62 can be replaced. Therefore, the filtering effect of oxygen can be improved.

[0023] Although the 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 medical central oxygen supply device with a multiple filtration structure, characterized in that: The invention comprises a switching controller (8), wherein an oxygen tube (1) is provided on one side of the switching controller (8), a stop valve (2) is provided on the oxygen tube (1), a connecting tube (3) is provided on the stop valve (2), a gas valve (4) is provided on the connecting tube (3), an oxygen cylinder (5) is fixedly connected to one end of the connecting tube (3) away from the oxygen tube (1), and a first filter assembly (6) and a second filter assembly (7) are provided on the oxygen tube (1); The first filter assembly (6) comprises a first filter cartridge (61), the first filter cartridge (61) is fixedly connected to the oxygen pipe (1), the interior of the first filter cartridge (61) is detachably connected to a cylinder (62), the interior of the cylinder (62) is fixedly connected to a filter element (63), the exterior of the cylinder (62) is fixedly connected to two fixing blocks (64), the interiors of the two fixing blocks (64) are both threadedly connected to fixing bolts (65), and the bottom ends of the two fixing bolts (65) extend into the interior of the first filter cartridge (61).

2. A medical central oxygen supply device with a multiple filtration structure according to claim 1, characterized in that: The second filter assembly (7) comprises a second filter cartridge (71), the second filter cartridge (71) being fixedly connected to the oxygen tube (1), and a biochemical cotton (72) is arranged inside the second filter cartridge (71).

3. A medical central oxygen supply device with a multiple filtering structure according to claim 2, characterized in that: A PP filter cotton (73) is provided inside the second filter cartridge (71) and located on one side of the biochemical cotton (72), and a quartz culture ball (74) is provided inside the second filter cartridge (71) and located on a side of the PP filter cotton (73) away from the biochemical cotton (72).

4. A medical central oxygen supply device with a multiple filtering structure according to claim 3, characterized in that: Activated carbon cotton (75) is provided inside the second filter cartridge (71) and on a side of the quartz culture ball (74) away from the PP filter cotton (73).

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