CN110152427B - Air filtering device of medical oxygen generator - Google Patents
Air filtering device of medical oxygen generator Download PDFInfo
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- CN110152427B CN110152427B CN201910391374.3A CN201910391374A CN110152427B CN 110152427 B CN110152427 B CN 110152427B CN 201910391374 A CN201910391374 A CN 201910391374A CN 110152427 B CN110152427 B CN 110152427B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/268—Drying gases or vapours by diffusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
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- Oil, Petroleum & Natural Gas (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention discloses an air filtering device of a medical oxygen generator, which comprises a base, wherein a shell is arranged at the top end of the base, an air inlet pipe and an air outlet pipe are respectively arranged at the central positions of the left side and the right side of the shell, an HEPA plate and a semi-permeable membrane plate are respectively arranged at the bottom ends of the left top cover and the right top cover along the front-back direction, fixing mechanisms are respectively arranged at the top ends of the front side and the back side of the HEPA plate and the semi-permeable membrane plate, a swinging mechanism is arranged at the central position of the top end of an inner cavity of the shell, a water tank is arranged at the position, corresponding to the swinging mechanism, of. This medical oxygenerator air filter equipment, through HEPA board, spraying dust fall and semi-permeable diaphragm plate, the three combines together the filter effect that improves the air, avoids the pollutant in the air to destroy the compressor and influence the life of molecular sieve, improves medical oxygenerator life to be convenient for change and wash the filter plate, the practicality is strong, is applicable to extensive popularization.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an air filtering device of a medical oxygen generator.
Background
A medical oxygen generator is based on Pressure Swing Adsorption (PSA) technology, and is a novel device for extracting oxygen from air, wherein molecular sieves are filled in the oxygen generator by utilizing molecular sieve physical adsorption and desorption technology, nitrogen in the air can be adsorbed during pressurization, the rest unabsorbed oxygen is collected and is purified to form high-purity oxygen, the specific working process is that compressed air is purified by an air purifying dryer and then enters an adsorption tower through a switching valve, the nitrogen is adsorbed by the molecular sieves in the adsorption tower, the oxygen is accumulated at the top of the adsorption tower and then enters an oxygen storage tank, the main components of the device comprise an air tank, an air compressor, a refrigeration dryer, an oxygen generation host machine, an oxygen tank and the like, the existing medical oxygen generator filter is a plurality of HEPA plates for filtering, and because the apertures of the HEPA plates are fixed, the filtering effect is single, certain pollutants and the like in the air can not be effectively filtered out, and then make the pollutant in the air destroy the compressor and influence the life of molecular sieve to cause the destruction to medical oxygenerator, and because need many HEPA boards to arrange and filter, lead to changing the HEPA board comparatively troublesome, based on above-mentioned problem, need design a medical oxygenerator air filter.
Disclosure of Invention
The invention aims to provide an air filtering device of a medical oxygen generator, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an air filtering device of a medical oxygen generator comprises a base, wherein a shell is arranged at the top end of the base, an air inlet pipe and an air outlet pipe are respectively arranged at the central positions of the left side and the right side of the left side of the shell, rectangular through holes are formed in the left side and the right side of the top end of an inner cavity of the shell, top covers are arranged above the two rectangular through holes, HEPA plates and semi-permeable membranes are respectively arranged at the bottom ends of the left top cover and the right top cover along the front-back direction, fixing mechanisms are respectively arranged at the top ends of the front side and the rear side of the HEPA plates and the semi-permeable membranes, a swinging mechanism is arranged at the central position of the top end of the inner cavity of the shell, a water tank is arranged at the position, corresponding to the swinging mechanism, of the bottom end of the inner cavity of the shell;
the fixing mechanism comprises a sliding chute, a sliding block, a screw rod, a U-shaped plate, a cylindrical block, a through hole, a first rectangular block, a second rectangular block, a blind hole and a spring;
the top ends of the left side and the right side of the front side wall and the rear side wall of the inner cavity of the shell are both provided with sliding grooves communicated with the rectangular through holes along the up-down direction, the bottom end of the inner cavity of each sliding groove is inserted with a sliding block, the inner sides of the front sliding block and the rear sliding block are respectively in threaded connection with the top ends of the front side end and the rear side end of the HEPA plate and the semi-permeable membrane plate at corresponding positions, the central positions of the front side and the rear side of the top end of the top cover are both in threaded connection with screw rods, the bottom end of the outer wall of each screw rod extends into the top end of the inner cavity of each sliding block and is in interference fit with an inner ring of a bearing, the outer ring of the bearing is fixedly connected with a U-shaped plate, the screw rods are inserted with the top ends of the inner cavities of the sliding blocks, the central positions of the, the right end of the first rectangular block is provided with a second rectangular block, a blind hole is formed in the bottom end of the right side of the inner cavity of the sliding groove and corresponds to the second rectangular block, and the right end of the second rectangular block extends out of the right end of the sliding block and is connected with the inner cavity of the blind hole in an inserting mode.
Preferably, the swing mechanism comprises a speed reduction motor, a first rectangular rod, a sleeve, a square plate, a second rectangular rod, a flat pipe and a spray head;
the improved water pump is characterized in that a speed reduction motor is arranged in the middle of the top end of an inner cavity of the shell, an output end of the speed reduction motor is connected with a first rectangular rod through a screw, the bottom end of the front side of the first rectangular rod is in interference fit with an outer ring of a bearing, the inner ring of the bearing is fixedly connected with a sleeve, the inner cavity of the sleeve is connected with a second rectangular rod in an inserting mode along the vertical direction, the top end of the rear side of the sleeve is in interference fit with an outer ring of the bearing, a square plate is fixedly connected with the inner ring of the bearing, the top end of the square plate is welded with the top end of the inner cavity of the shell, a flat pipe is arranged at the bottom end of the second rectangular rod along the left and right direction.
Preferably, the cross section of the top cover is rectangular, and the area of the cross section of the top cover is larger than the area of the inner cavity of the rectangular through hole.
Preferably, the longitudinal cross-sectional area of the HEPA plate in the front-rear direction is the same as the longitudinal cross-sectional area of the inner cavity of the housing in the front-rear direction.
Preferably, the bottom end of the semi-permeable membrane plate extends into the inner cavity of the water tank and is in inclined contact with the bottom end of the inner cavity of the water tank.
Preferably, the inner cavity of the sliding groove is in a dovetail groove shape, and the sliding block is in adaptive insertion connection with the inner cavity of the sliding groove.
Preferably, the through holes are formed in the surface of the first rectangular block in a manner of inclining downwards from left to right.
Preferably, the left side and the right side of the bottom end of the water tank are inclined from top to bottom towards the center
The air filtering device of the medical oxygen generator provided by the invention has the beneficial effects that:
1. according to the invention, the screw rod is screwed, the screw rod drives the U-shaped plate to move upwards in the inner cavity of the sliding block, so that the inner cavity of the through hole moves towards the left side along the outer wall of the cylindrical block, the second rectangular block is separated from the inner cavity of the blind hole in an inserted manner, the sliding block is further released from being fixed, and a worker can pull out the top cover upwards to take out the HEPA plate and the semi-permeable membrane plate, so that the filter plate is convenient to replace and clean, the practicability is high, and the filter plate is suitable for;
2. according to the invention, particle dust and various suspended matters below 0.5um in the air are collected and filtered through the HEPA plate, the first rectangular rod is driven by the speed reducing motor to drive the sleeve to rotate, the sleeve is driven to reciprocate up and down on the outer wall of the second rectangular rod, the sleeve drives the second rectangular rod to reciprocate left and right, the second rectangular rod drives the spray head to swing left and right in the inner cavity of the shell through the flat pipe, the spraying area of water mist is further increased, the suspended matters in the air are sprayed and dusted by the water mist, particles, bacteria and other pollutants are intercepted by the semi-permeable membrane plate from the air to dry and purify the air, the three parts are combined to improve the filtering effect of the air, the condition that the pollutants in the air damage the compressor and influence the service life of the molecular sieve is avoided, and the service.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a left side elevation view of the present invention;
FIG. 3 is a rear cross-sectional view of the present invention;
FIG. 4 is an enlarged view of the invention at A;
FIG. 5 is an enlarged view of the invention at B;
FIG. 6 is an enlarged view of the invention at C.
In the figure: 1. the device comprises a base, 2, a shell, 3, an air inlet pipe, 4, an air outlet pipe, 5, a rectangular through hole, 6, a top cover, 7, an HEPA plate, 8, a semi-permeable membrane plate, 9, a sliding groove, 10, a sliding block, 11, a screw rod, 12, a U-shaped plate, 13, a cylindrical block, 14, a through hole, 15, a first rectangular block, 16, a second rectangular block, 17, a blind hole, 18, a spring, 19, a speed reducing motor, 20, a first rectangular rod, 21, a sleeve, 22, a square plate, 23, a second rectangular rod, 24, a flat pipe, 25, a spray head, 26, a water pump, 27, a water tank, 28 and a water valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution of an air filtering device for a medical oxygen generator: an air filtering device of a medical oxygen generator comprises a base 1, a shell 2 is arranged at the top end of the base 1, an air inlet pipe 3 and an air outlet pipe 4 are respectively arranged at the central positions of the left side and the right side of the shell 2, the air inlet pipe 3 can be connected with the output end of an external air compressor, the air outlet pipe 4 can be connected with the air inlet of a molecular sieve adsorption tower, rectangular through holes 5 are respectively arranged at the left side and the right side of the top end of an inner cavity of the shell 2, top covers 6 are respectively arranged above the two rectangular through holes 5, HEPA plates 7 and semi-permeable membranes 8 are respectively arranged at the bottom ends of the left top cover 6 and the right top cover 6 along the front-back direction, fixing mechanisms are respectively arranged at the top ends of the front side and the back side of the HEPA plates 7 and the semi-permeable membranes 8, a swing mechanism is arranged at, the water valve 28 is connected with an external sewage collecting device so as to collect and filter the wastewater, so that the wastewater can be reused, resources are saved, the rear side of the water valve 28 penetrates through the rear side wall of the shell 2, the connection part of the water valve 28 and the shell 2 has good sealing performance, and the water pump 26 is arranged at the center of the rear side of the top end of the base 1;
the fixing mechanism comprises a sliding chute 9, a sliding block 10, a screw rod 11, a U-shaped plate 12, a cylindrical block 13, a through hole 14, a first rectangular block 15, a second rectangular block 16, a blind hole 17 and a spring 18;
the top ends of the left side and the right side of the front side wall and the rear side wall of the inner cavity of the shell 2 are both provided with a sliding groove 9 communicated with the rectangular through hole 5 along the up-down direction, the bottom end of the inner cavity of the sliding groove 9 is inserted with a sliding block 10, the inner sides of the front sliding block 10 and the rear sliding block 10 are respectively in bolt connection with the top ends of the front side and the rear side of a HEPA plate 7 and a semi-permeable membrane plate 8 at corresponding positions, the central positions of the front side and the rear side of the top end of the top cover 6 are both in bolt connection with a screw rod 11, the bottom end of the outer wall of the screw rod 11 extends into the top end of the inner cavity of the sliding block 10 and is in interference fit with an inner ring of a bearing, the outer ring of the bearing is fixedly connected with a U-shaped plate 12, the screw rod 11 is inserted with the top end of the inner cavity of the sliding block 10, the central position, the spring 18 is a compression spring, the elastic coefficient is 16N/CM, the elastic deformation is generated after the tension or extrusion, the initial state is recovered after the external force is removed, the right end of the first rectangular block 15 is provided with a second rectangular block 16, the blind hole 17 is formed in the bottom end of the right side of the inner cavity of the sliding groove 9 and corresponds to the second rectangular block 16, the right end of the second rectangular block 16 extends out of the right end of the sliding block 10 and is connected with the inner cavity of the blind hole 17 in an inserting mode, a worker can downwards screw the screw rod 11, the screw rod 11 drives the U-shaped plate 12 to downwards move in the inner cavity of the sliding block 10, the inner cavity of the through hole 14 is made to move towards the left side along the outer wall of the cylindrical block 13 and extrude the spring 18, the second rectangular block 16 is made to be disconnected from the inner cavity of the blind hole 17 in an inserting mode, the sliding block 10 is further released from.
Preferably, the swing mechanism further comprises a speed reducing motor 19, a first rectangular rod 20, a sleeve 21, a square plate 22, a second rectangular rod 23, a flat pipe 24 and a spray head 25;
a speed reducing motor 19 is arranged in the middle of the top end of an inner cavity of the shell 2, an output end of the speed reducing motor 19 is in screw connection with a first rectangular rod 20, the bottom end of the front side of the first rectangular rod 20 is in interference fit with an outer ring of a bearing, the inner ring of the bearing is fixedly connected with a sleeve 21, a second rectangular rod 23 is inserted into the inner cavity of the sleeve 21 in the vertical direction, the top end of the rear side of the sleeve 21 is in interference fit with an outer ring of the bearing, the inner ring of the bearing is fixedly connected with a square plate 22, the top end of the square plate 22 is welded with the top end of the inner cavity of the shell 2, the speed reducing motor 19 drives the first rectangular rod 20 to drive the sleeve 21 to rotate, the sleeve 21 is driven to reciprocate up and down on the outer wall of the second rectangular rod 23, the sleeve 21 drives the second rectangular rod 23 to reciprocate left and right, the second rectangular rod 23 drives the, the bottom of second rectangular pole 23 is provided with flat pipe 24 along the left-right direction, and the delivery port spiro union of hose and water pump 26 is passed through to flat pipe 24's left end, and flat pipe 24's bottom is provided with a plurality of shower nozzle 25 from a left side to right side clearance, and the rivers atomizing in flat pipe 24 is carried out to shower nozzle 25 to the increase sprays the area.
As preferred scheme, further, the cross section of top cap 6 is the rectangle, and the cross sectional area of top cap 6 is greater than the area of rectangle through-hole 5 inner chamber to make top cap 6's bottom all be provided with the sealing strip all around, can prevent the air leakage.
Preferably, the longitudinal cross-sectional area of the HEPA plate 7 in the front-rear direction is equal to the longitudinal cross-sectional area of the inner cavity of the housing 2 in the front-rear direction, so as to prevent air from leaking from a gap between the HEPA plate 7 and the inner wall of the housing 2.
Preferably, the bottom end of the semi-permeable membrane 8 extends into the inner cavity of the water tank 27 and contacts with the inclined surface of the bottom end of the inner cavity of the water tank 27, so as to prevent air from leaking out of the gap between the semi-permeable membrane 8 and the inner wall of the water tank 27.
As preferred scheme, further, the inner chamber of spout 9 is dovetail groove shape, and slider 10 pegs graft with the inner chamber adaptation of spout 9 to carry on spacingly to slider 10, make slider 10 fixed more stable to HEPA board 7 and semi-permeable diaphragm plate 8, prevent HEPA board 7 and semi-permeable diaphragm plate 8 and rock.
Preferably, the through hole 14 is formed in the surface of the first rectangular block 15 to be inclined downward from left to right, so that the inner cavity of the through hole 14 can move left and right along the outer wall of the cylindrical block 13 and the first rectangular block 15 can be moved left and right.
Preferably, the left side and the right side of the bottom end of the water tank 27 are inclined from top to bottom towards the center, so that the sewage falls into the water tank 27 and enters the water valve 28 along the bottom end of the inner cavity of the water tank 27 to be discharged.
The following electric devices have the following types and functions:
the reduction motor 19: the model is R107R77, the speed reducing motor 19 is connected with an external power supply, the external power supply is 380V alternating current, and the speed reducing motor 19 is controlled by an external operating system to drive the first rectangular rod 20 to rotate;
the water pump 26: the model number of the water pump is 150QJ0-50/7, the water pump 26 is connected with an external power supply, the external power supply is 380V alternating current, the water pump 26 is controlled by an external operating system and can be connected with an external water tank, and water is pumped into the flat pipe 24.
The following components are provided according to the scheme:
HEPA plate 7: the HEPA plate 7 is internally provided with a folded filter element separator which can collect and filter particle dust and various suspended matters below 0.5um in the air;
semi-permeable membrane plate 8: the semi-permeable membrane plate 8 can intercept particles, bacteria and other pollutants from the air by using the principle of self sieve pore separation so as to achieve the purposes of drying and purifying the air.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
When the device is installed, the air inlet pipe 3 is connected with the output end of an external air compressor, the air outlet pipe 4 is connected with the air inlet of a molecular sieve adsorption tower, the water valve 28 is connected with an external sewage collecting device, the water inlet of the water pump 26 is connected with an external water tank, when the device is used, a worker controls the speed reducing motor 19 and the water pump 26 to be started, the external air compressor blows external air into the shell 2 along the air inlet pipe 3, the air passes through the HEPA plate 7 and a folded filter element separator in the HEPA plate 7 to collect and filter particle dust and various suspended matters below 0.5 mu m in the air, the speed reducing motor 19 drives the first rectangular rod 20 to drive the sleeve 21 to rotate clockwise, the sleeve 21 is rotatably connected with the first rectangular rod 20 through a bearing, the inner cavity of the sleeve 21 is sleeved with the outside of the second rectangular rod 23 to enable the sleeve 21 to reciprocate up and down, because the second rectangular rod 23 is rotatably connected with the square plate 22 through a bearing, and the square plate 22 is fixed on the inner wall of the shell 2, the sleeve 21 drives the second rectangular rod 23 to swing left and right in a reciprocating manner, and the second rectangular rod 23 drives the spray head 25 to swing left and right in the inner cavity of the shell 2 through the flat pipe 24, the water pump 26 discharges water into the flat pipe 24 along the hose and sprays water mist out of the spray head 25, the water is sprayed by the swing of the spray head 25 to completely reduce dust on the air, the sewage falls into the water tank 27 and enters the water valve 28 along the bottom end of the inner cavity of the water tank 27 to be discharged, the air after dust reduction passes through the semi-permeable membrane 8 and is discharged through the air outlet pipe 4, in the process that the air passes through the semi-permeable membrane 8, the semi-permeable membrane 8 utilizes the principle of self sieve mesh separation to retain particles, bacteria and other pollutants in the air so as to achieve, the worker screws the screw 11 downwards, the screw 11 drives the U-shaped plate 12 to move downwards in the inner cavity of the sliding block 10, the inner cavity of the through hole 14 moves towards the left side along the outer wall of the cylindrical block 13 and extrudes the spring 18 due to the downward inclined arrangement of the through hole 14, the second rectangular block 16 is separated from the inner cavity of the blind hole 17 in an inserted mode, the sliding block 10 is further released from being fixed, the worker can pull out the top cover 6 upwards to replace and clean the HEPA plate 7 and the semi-permeable membrane 8, when the new HEPA plate 7 and the semi-permeable membrane 8 are replaced, the sliding block 10 is inserted into the bottom end of the inner cavity of the sliding groove 9 and upwards unscrews the screw 11, the spring 18 pushes the first rectangular block 15 to move towards the right side under the self elastic action to enable the second rectangular block 16 to be inserted into the inner cavity of the blind hole 17 to fix the HEPA plate 7 and the semi-permeable membrane 8, and therefore the combination of the HEPA plate 7, the, the filter effect of improvement air avoids the pollutant in the air to destroy the compressor and influence the life of molecular sieve, improves medical oxygenerator life, reduces the device volume, and convenient the removal is convenient for change and wash the filter plate, and the practicality is strong, is applicable to extensive popularization.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a medical oxygenerator air filter, includes base (1), the top of base (1) is provided with casing (2), the left and right sides central point of casing (2) puts and is provided with intake pipe (3) and outlet duct (4) respectively, rectangle through-hole (5), two have been seted up to the inner chamber top left and right sides of casing (2) top cap (6) have all been placed, control two top cap (6) the bottom of top cap (6) is provided with HEPA board (7) and semi-permeable diaphragm plate (8), its characterized in that along the fore-and-aft direction respectively: fixing mechanisms are arranged at the top ends of the front side and the rear side of the HEPA plate (7) and the semi-permeable membrane plate (8), a swing mechanism is arranged at the central position of the top end of an inner cavity of the shell (2), a water tank (27) is arranged at the position, corresponding to the swing mechanism, of the bottom end of the inner cavity of the shell (2), a water valve (28) is screwed at the central position of the bottom end of the rear side of the water tank (27), the rear side of the water valve (28) penetrates through the rear side wall of the shell (2), and a water pump (26) is arranged at the central position of the rear side of the top end of;
the fixing mechanism comprises a sliding groove (9), a sliding block (10), a screw rod (11), a U-shaped plate (12), a cylindrical block (13), a through hole (14), a first rectangular block (15), a second rectangular block (16), a blind hole (17) and a spring (18);
the top ends of the left side and the right side of the front side wall and the rear side wall of the inner cavity of the shell (2) are respectively provided with a sliding groove (9) communicated with the rectangular through hole (5) along the up-down direction, the bottom end of the inner cavity of the sliding groove (9) is inserted with a sliding block (10), the inner sides of the front sliding block and the rear sliding block (10) are respectively in threaded connection with the top ends of the front side and the rear side of a HEPA plate (7) and a semi-permeable membrane plate (8) at corresponding positions, the central positions of the front side and the rear side of the top end of the top cover (6) are respectively in threaded connection with a screw rod (11), the bottom end of the outer wall of the screw rod (11) extends into the top end of the inner cavity of the sliding block (10) and is in interference fit with an inner ring of a bearing, the outer ring of the bearing is fixedly connected with a U-shaped plate (12), the screw, the inner cavity of the through hole (14) is sleeved with the outer wall of the cylindrical block (13), one end of a spring (18) is arranged at the left end of the first rectangular block (15), the other end of the spring (18) is clamped with the left side wall of the sliding block (10), a second rectangular block (16) is arranged at the right end of the first rectangular block (15), a blind hole (17) is formed in the bottom end of the right side of the inner cavity of the sliding groove (9) and in the position corresponding to the second rectangular block (16), and the right end of the second rectangular block (16) extends out of the right end of the sliding block (10) and is connected with the inner cavity of the blind hole (17) in an inserting mode.
2. The medical oxygen generator air filtering device of claim 1, wherein: the swing mechanism comprises a speed reducing motor (19), a first rectangular rod (20), a sleeve (21), a square plate (22), a second rectangular rod (23), a flat pipe (24) and a spray head (25);
a speed reducing motor (19) is arranged in the middle of the top end of the inner cavity of the shell (2), an output end of the speed reducing motor (19) is connected with a first rectangular rod (20) through a screw, the bottom end of the front side of the first rectangular rod (20) is in interference fit with an outer ring of a bearing, and the inner ring of the bearing is fixedly connected with a sleeve (21), the inner cavity of the sleeve (21) is inserted with a second rectangular rod (23) along the up-down direction, the top end of the rear side of the sleeve (21) is in interference fit with the outer ring of the bearing, and the inner ring of the bearing is fixedly connected with a square plate (22), the top end of the square plate (22) is welded with the top end of the inner cavity of the shell (2), flat pipes (24) are arranged at the bottom end of the second rectangular rod (23) along the left-right direction, the left end of the flat pipe (24) is in threaded connection with a water outlet of the water pump (26) through a hose, the bottom of flat pipe (24) is provided with a plurality of shower nozzle (25) from a left side to the right side clearance.
3. The medical oxygen generator air filtering device of claim 1, wherein: the cross section of the top cover (6) is rectangular, and the area of the cross section of the top cover (6) is larger than the area of the inner cavity of the rectangular through hole (5).
4. The medical oxygen generator air filtering device of claim 1, wherein: the longitudinal section area of the HEPA plate (7) in the front-back direction is the same as the longitudinal section area of the inner cavity of the shell (2) in the front-back direction.
5. The medical oxygen generator air filtering device of claim 1, wherein: the bottom end of the semi-permeable membrane plate (8) extends into the inner cavity of the water tank (27) and is in inclined contact with the bottom end of the inner cavity of the water tank (27).
6. The medical oxygen generator air filtering device of claim 1, wherein: the inner cavity of the sliding groove (9) is in a dovetail groove shape, and the sliding block (10) is in adaptive insertion connection with the inner cavity of the sliding groove (9).
7. The medical oxygen generator air filtering device of claim 1, wherein: the through holes (14) are arranged on the surface of the first rectangular block (15) in a downward inclined mode from left to right.
8. The medical oxygen generator air filtering device of claim 1, wherein: the left side and the right side of the bottom end of the water tank (27) are obliquely arranged from top to bottom towards the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391374.3A CN110152427B (en) | 2019-05-12 | 2019-05-12 | Air filtering device of medical oxygen generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910391374.3A CN110152427B (en) | 2019-05-12 | 2019-05-12 | Air filtering device of medical oxygen generator |
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| Publication Number | Publication Date |
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| CN110152427A CN110152427A (en) | 2019-08-23 |
| CN110152427B true CN110152427B (en) | 2021-06-08 |
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| CN201910391374.3A Active CN110152427B (en) | 2019-05-12 | 2019-05-12 | Air filtering device of medical oxygen generator |
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Address after: 225400 Jiangsu Taizhou Taixing Economic Development Zone, industrial park, Dasheng Park Patentee after: Jiangsu Suhang Medical Equipment Co.,Ltd. Address before: 225400 No.88, Nanyuan Road, industrial park, Taixing City, Taizhou City, Jiangsu Province Patentee before: JIANGSU SUHANG MEDICAL EQUIPMENT Co.,Ltd. |
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