Medical air compressor unit for multi-stage filtration of air

Abstract

The utility model relates to a medical air compressor unit for multi-stage filtration of air, and aims to solve the problems that dust, impurities and the like attached to a filter screen are likely to be attached to the filter screen under the extrusion of air and are not easy to separate due to the fact that external air is continuously sucked in in the working process of an air compressor in the prior art. The air compressor comprises a compressor body, an air inlet cylinder, cleaning cylinders and a movable plate, the air inlet cylinder is arranged at the air inlet position of the top end of the compressor body, the cleaning cylinders are fixedly connected to the left side and the right side of the air inlet cylinder, and the movable plate is fixedly connected to the air inlet cylinder. The left side wall and the right side wall of the air inlet cylinder are each provided with three sliding grooves, the cleaning cylinder communicates with the air inlet cylinder through the sliding grooves, the movable plate is slidably connected with the inner sides of the sliding grooves, and the center of the top end of the movable plate is provided with a left filtering groove and a right filtering groove which are consistent in size; the cleaning device has the advantages of being obvious in cleaning effect and simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a medical air compressor unit for multi-stage filtering of air. Background Art

[0002] An air compressor is a mechanical device that increases gas pressure by reducing gas volume. It is frequently used in the medical field. In hospitals, air compressors are often used to supply oxygen systems in operating rooms and wards to provide patients with necessary respiratory support. Through the high-pressure air system, the air compressor can effectively remove pollutants and microorganisms from medical equipment and operating rooms, ensuring environmental hygiene and safety, which is crucial for preventing hospital infections. During the operation of the air compressor, due to the need to continuously draw in external air, some dust will also follow in. The existing method is usually to set up a filter, but the filtering effect of a single-layer filter is limited and it is not convenient to clean.

[0003] According to the patent publication CN 115370557 A, a medical air compressor unit for multi-stage filtration of air is disclosed. A plurality of filter screens are provided in the filter cartridge, and the filter pore diameters of the plurality of filter screens decrease sequentially from top to bottom, thereby achieving multi-stage filtration of the air. Furthermore, the plurality of filter screens are driven to perform reciprocating linear motion by the rotation of a crank, forming a single linear vibration. Furthermore, a plurality of guide blocks connected to the plurality of filter screens respectively perform spiral motion along a plurality of spiral grooves, causing the plurality of filter screens to perform a composite spiral vibration, so that dust and other impurity particles clogged in the filter pores of the plurality of filter screens can be vibrated out and returned to the filter screen, thereby preventing the clogging of the plurality of filter screens from affecting the filtration effect.

[0004] In the process of realizing the present invention, the inventors found that at least the following problems existed in the prior art and were not solved: Although the problem of filter clogging was solved by vibrating dust and impurities out of the filter holes through reciprocating and spiral vibration, during use, since the air compressor was always working and continuously drawing in outside air, these dust and impurities attached to the filter net might be squeezed by the air and adhere to the filter net and difficult to separate. In addition, the dust and impurities that were vibrated out might also be driven by the air and re-enter the filter holes, thereby affecting the cleaning efficiency. Therefore, it was necessary to design a new technical solution to solve this problem. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to actual needs, and provide a medical air compressor unit for multi-stage filtration of air to solve the technical problem that in the current use process, since the air compressor is always in operation, it will continuously draw in external air. The dust and impurities attached to the filter screen may be adhered to the filter screen under the pressure of the air and are not easy to separate. Moreover, the dust and impurities vibrated out may also enter the filter holes again under the drive of the air, thereby affecting the cleaning efficiency.

[0006] In order to achieve the purpose of the present invention, the technical solution adopted by the present invention is as follows: a medical air compressor unit for multi-stage filtration of air is designed, including a compressor body, an air intake cylinder, a cleaning cylinder and a movable plate, an air intake cylinder is provided at the air intake of the top end of the compressor body, the left and right sides of the air intake cylinder are fixedly connected with cleaning cylinders, and the left and right side walls of the air intake cylinder are provided with three slide grooves, the cleaning cylinder is connected to the air intake cylinder through the slide groove, the movable plate is slidably connected on the inner side of the slide groove, and two filter grooves of the same size are provided on the left and right sides of the top center of the movable plate, the filter grooves of the same size are provided on the left and right sides of the movable plate, and the filter grooves of the same size are provided on the left and right sides of the movable plate. A filter is fixedly connected to the inner side of the filter tank, and a rotating rod is rotatably connected between the front and rear inner walls of the cleaning cylinder below the movable plate, and a number of cams are evenly fixedly connected to the surface of the rotating rod, and a partition is fixedly connected to the lower part of the inner wall of the cleaning cylinder, and an air guide groove is provided on the surface of the partition, and an exhaust fan is fixedly connected to the lower surface of the partition at the air guide groove; an electric push rod is fixedly connected to the outer wall of the cleaning cylinder away from the air inlet cylinder, and the telescopic end of the electric push rod passes through the outer wall of the cleaning cylinder and is fixedly connected to the connecting plate, and the two ends of the movable plate are respectively fixedly connected to the connecting plates on both sides.

[0007] Preferably, an air outlet is provided at the top of the cleaning cylinder, and an air guide cover is provided at the top of the cleaning cylinder above the air outlet.

[0008] Preferably, an air inlet is provided on the outer side wall of the cleaning cylinder below the partition, and an interception net is fixedly connected to the inner side of the air inlet.

[0009] Preferably, the upper and lower surfaces of the movable plate are in contact with the inner wall of the slide groove, and the three movable plates on the inner side of the air intake cylinder are parallel to each other.

[0010] Preferably, a servo motor is fixedly connected to the outer side wall of the cleaning cylinder at the horizontal position of the rotating rod, and the outer end of the transmission shaft of the servo motor is fixedly connected to one end of the rotating rod.

[0011] Preferably, a protective net is fixedly connected to the opening of the air guide cover.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model can vibrate the filter through the electric push rod, slide groove, rotating rod and cam. When there are dust impurities blocked in the filter holes of the filter, the electric push rods on the left and right sides are started, one extends and the other shortens, thereby driving the movable plate to move toward the cleaning barrel on one side until one of the filter slots just enters the cleaning barrel. At this time, the cam on the surface of the rotating rod under the filter beats and lifts the filter during rotation, thereby vibrating out the dust particles blocked in the filter holes. There is no need to disassemble and clean, which avoids blockage affecting the normal filtering effect and improves the practicality of the device.

[0014] 2. The utility model can discharge dust particles by arranging a partition and an exhaust fan under the cleaning cylinder. After the dust particles are vibrated out, the exhaust fan starts and draws air upward to blow the dust on the surface of the filter and discharge it out of the cleaning cylinder, thereby completing the cleaning of the filter and avoiding dust accumulation. In addition, during the cleaning process, the air intake cylinder can normally intake air without affecting the filtration, vibration and exhaust. It is independent of the cleaning cylinder, which improves the cleaning efficiency and practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall view of the utility model;

[0016] Figure 2 This is a schematic diagram of the outer surface structure of the air intake cylinder and the cleaning cylinder of the utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the air intake cylinder and the cleaning cylinder of the present invention;

[0018] In the figure: 1. Compressor body; 2. Air intake cylinder; 3. Cleaning cylinder; 4. Slide; 5. Movable plate; 6. Filter tank; 601. Filter screen; 7. Electric push rod; 8. Connecting plate; 9. Air outlet; 10. Air guide cover; 1001. Protective net; 11. Rotating rod; 111. Cam; 12. Servo motor; 13. Air inlet; 131. Intercepting net; 14. Partition; 15. Air guide slot; 16. Exhaust fan. DETAILED DESCRIPTION

[0019] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0020] Example 1: A medical air compressor unit for multi-stage filtration of air, see Figures 1 to 3, including a compressor body 1, an air intake cylinder 2, a cleaning cylinder 3 and a movable plate 5. The air intake of the top of the compressor body 1 is provided with an air intake cylinder 2. The left and right sides of the air intake cylinder 2 are fixedly connected with the cleaning cylinder 3, and the left and right side walls of the air intake cylinder 2 are provided with three slide grooves 4. The cleaning cylinder 3 is connected with the air intake cylinder 2 through the slide grooves 4. The movable plate 5 is slidably connected on the inner side of the slide groove 4, and two filter grooves 6 of the same size are provided on the left and right sides of the top center of the movable plate 5. The inner side of the filter groove 6 is fixedly connected with a filter screen 601. Between the front and rear inner walls of the cleaning cylinder 3 below the movable plate 5 It is rotatably connected to a rotating rod 11, and a number of cams 111 are evenly and fixedly connected to the surface of the rotating rod 11. The electric push rods 7 on the left and right sides extend and shorten respectively, thereby driving the movable plate 5 to move toward the cleaning cylinder 3 on one side until one of the filter slots 6 just enters the cleaning cylinder 3. At this time, the cam 111 on the surface of the rotating rod 11 below the filter 601 slaps and lifts the filter 601 during rotation, thereby vibrating out the dust particles blocked in the filter holes, reducing the impact of blockage on normal filtration and air intake, and improving the practicality of the device.

[0021] It should be noted that when the electric push rod 7 on one side is shortened to the shortest state, the connecting plate 8 is just in contact with the inner wall of the cleaning cylinder 3, and the upper and lower surfaces of the movable plate 5 between the two filter tanks 6 are just located on the inner side of the slide 4 at the connection point between the air intake cylinder 2 and the cleaning cylinder 3. The slide 4 is sealed so that the two filter tanks 6 are located in the air intake cylinder 2 and the cleaning cylinder 3 respectively, thereby ensuring that when cleaning the filter screen 601 in the filter tank 6 on one side, the other filter tank 6 and the filter screen 601 can still perform normal air intake and filtering operations.

[0022] At the same time, a partition 14 is fixedly connected to the lower part of the inner wall of the cleaning cylinder 3, and an air guide groove 15 is opened on the surface of the partition 14, and an exhaust fan 16 is fixedly connected to the lower surface of the partition 14 at the air guide groove 15. The outer wall of the cleaning cylinder 3 away from the air inlet cylinder 2 is fixedly connected to an electric push rod 7, and the telescopic end of the electric push rod 7 passes through the outer wall of the cleaning cylinder 3 and is fixedly connected to the connecting plate 8, and the two ends of the movable plate 5 are respectively fixedly connected to the connecting plates 8 on both sides. The exhaust fan 16 is started and draws air upward to blow the dust on the surface of the filter 601 out of the cleaning cylinder 3, thereby completing the cleaning of the filter 601 and avoiding the accumulation of dust. In the cleaning process, the air inlet cylinder 2 can normally intake air without affecting the normal exhaust and dust discharge of the cleaning cylinder 3, thereby improving the cleaning efficiency and practicality of the device.

[0023] For details, see Figure 3 An air outlet 9 is provided at the top of the cleaning cylinder 3, and an air guide cover 10 is provided at the top of the cleaning cylinder 3 above the air outlet 9. The outlet of the air guide cover 10 is away from the air inlet cylinder 2, which tries to avoid the dust just exhausted from being sucked in again by the air flow of the air inlet cylinder 2, and keeps the dust away from the air inlet cylinder 2 as much as possible.

[0024] For further information, see Figure 3 An air inlet 13 is provided on the outer wall of the cleaning cylinder 3 below the partition 14, and an interception net 131 is fixedly connected to the inner side of the air inlet 13. The air inlet 13 facilitates the exhaust of the exhaust fan 16. The interception net 131 has the same function as the filter net 601, which can intercept the dust in the air flow sucked into the exhaust fan 16.

[0025] It is worth noting that, see Figure 3 The upper and lower surfaces of the movable plate 5 are fitted with the inner wall of the slide groove 4, and sealing strips, rubber rings, etc. can be provided at the fitting position according to actual needs to seal the gaps at the edges to prevent dust and impurities from squeezing in from the gaps. The three movable plates 5 on the inside of the air intake cylinder 2 are parallel to each other, which is convenient for connection with the connecting plates 8 on the left and right sides and reduces the resistance encountered when sliding left and right.

[0026] It is worth noting that see Figure 2 and Figure 3 The outer wall of the cleaning cylinder 3 in the horizontal position of the rotating rod 11 is fixedly connected to a servo motor 12. The outer end of the transmission shaft of the servo motor 12 is fixedly connected to one end of the rotating rod 11. After the servo motor 12 is started, it will drive the rotation and rotation of the cam 111. During the rotation, the cam 111 will continuously beat and lift the filter 601, thereby beating out the dust and impurities in the filter 601, waiting for subsequent exhaust cleaning.

[0027] It is worth mentioning that see Figure 3 A protective net 1001 is fixedly connected to the opening of the air guide cover 10, and the protective net 1001 can prevent foreign matter from entering the inner side of the cleaning cylinder 3 along the air outlet 9.

[0028] Working principle: air flows downward along the top of the air intake cylinder 2 and is filtered when passing through the filter slots 6 of the three-layer movable plate 5, thereby intercepting dust and impurities. During the filtering process, the two filter slots 6 on the surface of the movable plate 5 are located on the inner side of the air intake cylinder 2. The filter screen 601 can be vibrated by the electric push rod 7, the slide groove 4, the rotating rod 11 and the cam 111. When there are dust and impurities clogged in the filter holes of the filter screen 601, the electric push rods 7 on the left and right sides are started, one extends and the other shortens, thereby driving the movable plate 5 to move toward the cleaning cylinder 3 on one side until one of the filter slots 6 just enters the cleaning cylinder 3. At this time, the cam 111 on the surface of the rotating rod 11 below the filter screen 601 slaps and lifts the filter screen 601 during rotation, thereby removing the dust and impurities clogged in the filter holes. The dust particles are vibrated out without the need to disassemble for cleaning, thus avoiding blockage that affects the normal filtering effect and improving the practicality of the device. At the same time, by arranging a partition 14 and an exhaust fan 16 under the cleaning cylinder 3, the dust particles can be discharged. After the dust particles are vibrated out, the exhaust fan 16 is started and exhausts air upward to blow the dust on the surface of the filter 601 and discharge it from the cleaning cylinder 3, thereby completing the cleaning of the filter 601 and avoiding the accumulation of dust. In addition, during the cleaning process, the air intake cylinder 2 can normally intake air and will not affect the filtration, vibration and exhaust, thereby improving the cleaning efficiency and practicality of the device. After the filter tank 6 and filter 601 on one side are cleaned, the filter tank 6 on the other side can be moved to the cleaning cylinder 3 on the other side for vibration and exhaust in the same way.

[0029] In addition, the components designed in this utility model are all universal standard parts or components known to technical personnel in this field. Their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods. They can be fully implemented by technical personnel in this field. Needless to say, the content protected by this utility model does not involve improvements to internal structures and methods.

[0030] The embodiments disclosed in the present invention are preferred embodiments, but are not limited to them. Ordinary technicians in this field can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. As long as they do not deviate from the spirit of the present invention, they are all within the scope of protection of the present invention.

Claims

1. A medical air compressor unit for multi-stage filtration of air, comprising a compressor body (1), an air intake cylinder (2), a cleaning cylinder (3) and a movable plate (5), characterized in that: An air intake cylinder (2) is provided at the air intake of the top end of the compressor body (1), and a cleaning cylinder (3) is fixedly connected to the left and right sides of the air intake cylinder (2), and three slide grooves (4) are provided on the left and right side walls of the air intake cylinder (2). The cleaning cylinder (3) is connected to the air intake cylinder (2) through the slide grooves (4), and the movable plate (5) is slidably connected to the inner side of the slide groove (4), and two filter grooves (6) of the same size are provided on the left and right sides of the top center of the movable plate (5). A filter screen (601) is fixedly connected to the inner side of the filter groove (6), and a rotating rod ( 11), the surface of the rotating rod (11) is evenly fixedly connected with a plurality of cams (111), the inner wall of the cleaning cylinder (3) is fixedly connected with a partition (14) at the lower part, the surface of the partition (14) is provided with an air guide groove (15), and the lower surface of the partition (14) at the air guide groove (15) is fixedly connected with an exhaust fan (16); the outer wall of the cleaning cylinder (3) away from the air inlet cylinder (2) is fixedly connected with an electric push rod (7), the telescopic end of the electric push rod (7) passes through the outer wall of the cleaning cylinder (3) and is fixedly connected to the connecting plate (8), and the two ends of the movable plate (5) are respectively fixedly connected to the connecting plates (8) on both sides.

2. A medical air compressor unit for multi-stage filtration of air according to claim 1, characterized in that: An air outlet (9) is provided at the top end of the cleaning cylinder (3), and an air guide cover (10) is provided at the top end of the cleaning cylinder (3) above the air outlet (9).

3. A medical air compressor unit for multi-stage filtration of air according to claim 1, characterized in that: An air inlet (13) is provided on the outer side wall of the cleaning cylinder (3) below the partition (14), and an interception net (131) is fixedly connected to the inner side of the air inlet (13).

4. A medical air compressor unit for multi-stage filtration of air according to claim 1, characterized in that: The upper and lower surfaces of the movable plate (5) are in contact with the inner wall of the slide groove (4), and the three movable plates (5) on the inner side of the air intake cylinder (2) are parallel to each other.

5. The medical air compressor unit for multi-stage filtration of air according to claim 1, characterized in that: A servo motor (12) is fixedly connected to the outer side wall of the cleaning cylinder (3) at the horizontal position of the rotating rod (11), and the outer end of the transmission shaft of the servo motor (12) is fixedly connected to one end of the rotating rod (11).

6. A medical air compressor unit for multi-stage filtration of air according to claim 2, characterized in that: A protective net (1001) is fixedly connected to the opening of the air guide cover (10).

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