CN110078026B - Medical molecular sieve oxygen generator - Google Patents
Medical molecular sieve oxygen generator Download PDFInfo
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- CN110078026B CN110078026B CN201910391372.4A CN201910391372A CN110078026B CN 110078026 B CN110078026 B CN 110078026B CN 201910391372 A CN201910391372 A CN 201910391372A CN 110078026 B CN110078026 B CN 110078026B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0028—Separation of the specific gas from gas mixtures containing a minor amount of this specific gas
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0046—Nitrogen
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0043—Impurity removed
- C01B2210/0098—Other impurities
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- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses a medical molecular sieve oxygen generator which comprises a generator body, wherein an air inlet is formed in the left side of the generator body, a gas collecting hood is fixedly arranged at the position, corresponding to the air inlet, of the left side of an inner cavity of the generator body, the right side of the gas collecting hood is fixedly connected with an air inlet of an air compressor in the generator body, a sealing mechanism is fixedly arranged at the position, corresponding to the air inlet, of the left side of the generator body, heat dissipation holes are formed in the bottom ends of the front side and the rear side of the generator body, and a heat dissipation fan is fixedly arranged at the position, corresponding to the heat dissipation holes, of the front side of the inner cavity of the generator body. This medical molecular sieve oxygenerator can avoid the outside air to enter into the oxygenerator internal component after the oxygenerator uses and contact with the molecular sieve to prolonged the life of molecular sieve, the noise of the inside production of organism of reduction has improved patient's comfort level when using the oxygenerator, is convenient for carry out first filtration's filter screen to the organism and cleans or changes.
Description
Technical Field
The invention relates to the technical field of oxygen generation equipment, in particular to a medical molecular sieve oxygen generator.
Background
The molecular sieve type oxygen generator is a novel device for extracting oxygen from air based on Pressure Swing Adsorption (PSA) technology, and is characterized in that 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 purified to form high-purity oxygen.
Medical molecular sieve oxygenerator need carry out filtration treatment to the air before carrying out the ammonia and adsorbing, wherein the first step is exactly to filter away the granule impurity in the air, present medical molecular sieve oxygenerator filter equipment installs inside the oxygenerator, it is difficult to clean filter equipment, thereby influence gaseous normal transport, after the oxygenerator uses, external air still can enter into the contact with the molecular sieve in the oxygenerator inner assembly, thereby can reduce the life of molecular sieve, and the noise that oxygenerator atmospheric compressor produced in the use is great, patient's rest has seriously been influenced, be unfavorable for patient's daily use.
Disclosure of Invention
The invention aims to provide a medical molecular sieve oxygen generator to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a medical molecular sieve oxygen generator comprises a generator body, wherein an air inlet is formed in the left side of the generator body, a gas collecting hood is fixedly installed at the position, corresponding to the air inlet, of the left side of an inner cavity of the generator body, the right side of the gas collecting hood is fixedly connected with an air inlet of an air compressor inside the generator body, a sealing mechanism is fixedly installed at the position, corresponding to the air inlet, of the left side of the generator body, radiating holes are formed in the bottom ends of the front side and the rear side of the generator body, radiating fans are fixedly installed at the positions, corresponding to the radiating holes, of the front side and the rear side of the generator body, and noise elimination components are arranged at the positions, corresponding to the radiating holes, of the front side and the rear side of the generator body;
the sealing mechanism comprises a first rectangular plate, a first rectangular groove, a slide way, a slide block, a second rectangular plate, a spring, a first through hole, a circular groove, a cylindrical rod, a strip-shaped groove, an arc-shaped groove, a clamping block, a second rectangular groove and a second through hole;
the air conditioner is characterized in that the first rectangular plate is fixedly installed on the left side of the machine body corresponding to the position of the air inlet, a first rectangular groove communicated with an inner cavity of the air inlet is formed in the right side of the first rectangular plate, sliding ways are formed in the upper end and the lower end of the inner cavity of the first rectangular groove along the front-back direction, a part of a sliding block is inserted into the front side of the inner cavity of the sliding way, a second rectangular plate in contact with the left side of the inner cavity of the first rectangular groove is fixedly installed on the other part of the sliding block, one end of a spring is fixedly installed at the upper end and the lower end of the rear side of the second rectangular plate, the other end of the spring is fixedly connected with the rear side of the inner cavity of the first rectangular groove, first through holes are formed in the front end of the right side of the second rectangular plate from top to bottom, a circular groove communicated with the inner cavity of the first rectangular groove is formed in the middle of the front side of the first rectangular plate, a cylindrical rod is inserted into the inner cavity of the circular groove, the rear side of the cylindrical rod extends into the inner cavity of the first rectangular groove and rotates with the front side of the second rectangular plate through a bearing The connection, the inner ring and the cylinder pole interference fit of bearing, and the outer loop of bearing and the front side fixed connection of second rectangular plate, the bar groove has been seted up on the inner chamber top of circular recess, the front side of bar groove is the through form, the arc wall has been seted up to the inner chamber right side rear end in bar groove, the outer wall top middle part fixed mounting of cylinder pole has the fixture block, the fixture block is pegged graft with the inner chamber front side in bar groove, the second rectangular groove has been seted up in the left side of first rectangular plate, the inner chamber right side middle part of second rectangular groove has all been seted up the second through-hole from last to down, the left side of first rectangular plate is provided with the filter screen and changes the part.
Preferably, the noise elimination part comprises rectangular covers, sound absorption boards and a dust removal net, the two rectangular covers are respectively and fixedly installed on the front side and the rear side of the machine body corresponding to the positions of the heat dissipation holes, the sound absorption boards are fixedly installed on the inner cavities of the rectangular covers, and the dust removal net is fixedly installed on the outer sides of the rectangular covers.
Preferably, the filter screen replacement part comprises two rectangular blocks, a third rectangular plate, a filter screen, rectangular holes, threaded holes and bolts, wherein the rectangular blocks are fixedly arranged on the front side and the rear side of the top end of the left side of the first rectangular plate respectively, the inner side of each rectangular block is connected with the third rectangular plate in a rotating mode through a pin shaft, the rectangular holes are formed in the left side of the third rectangular plate, the threaded holes are formed in the front side and the rear side of the bottom end of the left side of the first rectangular plate respectively, the filter screen is placed in an inner cavity of the second rectangular groove, and the inner cavity of each threaded hole is screwed with the bolts for locking the third rectangular plate and the filter screen.
Preferably, the first through holes and the second through holes have the same size and number and are in one-to-one correspondence in the vertical direction.
Preferably, the second through hole is located at the rear side of the first through hole, and the rear end of the left side of the second rectangular plate completely seals the right side of the inner cavity of the second through hole.
Preferably, the distance between the center points of the first through hole and the second through hole on the same horizontal plane along the front-back direction is equal to the distance between the rear side of the fixture block and the rear side of the strip-shaped groove inner cavity.
Preferably, the internal shape of the sound-absorbing plate is honeycomb-perforated.
Preferably, the area of the inner cavity of the rectangular hole is smaller than that of the filter screen.
The medical molecular sieve oxygen generator provided by the invention has the beneficial effects that:
1. the second rectangular plate can be controlled to move back and forth through the sealing mechanism, and the external air is controlled to enter the internal assembly of the machine body through the matching of the first through hole and the second through hole, so that after the use of the oxygen generator is finished, the external air can be prevented from entering the internal assembly of the oxygen generator and contacting with the molecular sieve, and the service life of the molecular sieve is prolonged;
2. according to the invention, the noise generated in the machine body can be absorbed by the sound-absorbing plate through the noise elimination component, so that the noise generated in the machine body is greatly reduced, and the comfort level of a patient when the patient uses the oxygen generator is improved;
3. the filter screen replacing part is arranged, so that the filter screen for primary air filtration of the machine body can be cleaned or replaced conveniently, the filter screen can be prevented from being blocked due to more impurities on the filter screen, and therefore, the sufficient air volume can be sucked from the outside when the oxygen generator is used, and the normal use of the oxygen generator can be ensured.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the invention at A;
FIG. 3 is a right side cross-sectional view of the present invention;
FIG. 4 is a left side cross-sectional view of a first rectangular plate of the present invention;
fig. 5 is a top cross-sectional view of a first rectangular plate of the present invention.
In the figure: 1. the air-collecting hood comprises a machine body, 2, an air inlet, 3, an air-collecting hood, 4, a heat-radiating fan, 5, a first rectangular plate, 6, a first rectangular groove, 7, a slide way, 8, a slide block, 9, a second rectangular plate, 10, a spring, 11, a first through hole, 12, a circular groove, 13, a cylindrical rod, 14, a strip-shaped groove, 15, an arc-shaped groove, 16, a clamping block, 17, a second rectangular groove, 18, a second through hole, 19, a rectangular hood, 20, an acoustic board, 21, a dust-removing net, 22, a rectangular block, 23, a third rectangular plate, 24, a filter screen, 25, a rectangular hole, 26, a threaded hole and 27 bolts.
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. 1-5, the present invention provides a technical solution: a medical molecular sieve oxygen generator comprises a machine body 1, wherein an air inlet 2 is formed in the left side of the machine body 1, a gas collecting hood 3 is fixedly installed at the position, corresponding to the air inlet 2, in the left side of an inner cavity of the machine body 1, a gas collecting hood 3 is fixedly connected with the right side of the gas collecting hood 3, an air inlet of an air compressor in the machine body 1 is fixedly connected with the right side of the gas collecting hood 3, a sealing mechanism is fixedly installed at the position, corresponding to the air inlet 2, in the left side of the machine body 1, heat dissipation holes are formed in the bottom ends of the front side and the rear side of the machine body 1, heat dissipation fans 4 are fixedly installed at the positions, corresponding to the heat dissipation holes, in the front side and the rear side of the machine body 1, noise elimination components are arranged at the positions, corresponding to the heat dissipation holes, of the front side and the rear side of the machine body 1;
the sealing mechanism comprises a first rectangular plate 5, a first rectangular groove 6, a slideway 7, a sliding block 8, a second rectangular plate 9, a spring 10, a first through hole 11, a circular groove 12, a cylindrical rod 13, a strip-shaped groove 14, an arc-shaped groove 15, a clamping block 16, a second rectangular groove 17 and a second through hole 18;
the first rectangular plate 5 is fixedly arranged on the left side of the machine body 1 corresponding to the position of the air inlet 2, the right side of the first rectangular plate 5 is provided with a first rectangular groove 6 communicated with the inner cavity of the air inlet 2, the upper end and the lower end of the inner cavity of the first rectangular groove 6 are both provided with a slide way 7 along the front-back direction, the front side of the inner cavity of the slide way 7 is inserted with one part of a slide block 8, the other part of the slide block 8 is fixedly provided with a second rectangular plate 9 contacted with the left side of the inner cavity of the first rectangular groove 6, the stability of the second rectangular plate 9 during moving can be improved through the matching of the slide way 7 and the slide block 8, the upper end and the lower end of the rear side of the second rectangular plate 9 are both fixedly provided with one end of a spring 10, the other end of the spring 10 is fixedly connected with the rear side of the inner cavity of the first rectangular groove 6, the spring 10 is a rotary spring, the elastic coefficient is 28N/CM, the spring 10 is elastically deformed after being stretched or extruded, and returns to the initial state after the external force is removed, the second rectangular plate 9 can move backwards to extrude the spring 10 by pressing the cylindrical rod 13 towards the back side, so that the spring 10 generates elastic deformation, the front end of the right side of the second rectangular plate 9 is provided with a first through hole 11 from top to bottom, the middle part of the front side of the first rectangular plate 5 is provided with a circular groove 12 communicated with the inner cavity of the first rectangular groove 6, the inner cavity of the circular groove 12 is inserted with the cylindrical rod 13, the back side of the cylindrical rod 13 extends into the inner cavity of the first rectangular groove 6 and is rotationally connected with the front side of the second rectangular plate 9 through a bearing, the cylindrical rod 13 can rotate around the axis and can avoid being separated from the second rectangular plate 9, the inner ring of the bearing is in interference fit with the cylindrical rod 13, the outer ring of the bearing is fixedly connected with the front side of the second rectangular plate 9, the top end of the inner cavity of the circular groove 12 is provided with a strip-shaped groove 14, the front side of the strip-shaped groove 14 is through-shaped, the back end of the right side of the inner cavity of the strip-shaped groove 14 is provided with an arc-shaped groove 15, the outer wall top middle part fixed mounting of cylinder pole 13 has fixture block 16, fixture block 16 and the inboard front side plug-in connection of bar groove 14, when cylinder pole 13 moved to the rear side, fixture block 16 can follow cylinder pole 13 and move the inner chamber rear side of bar groove 14, clockwise rotation cylinder pole 13 can make fixture block 16 move into in the arc wall 15, can be with the fixed position of cylinder pole 13 and second rectangular plate 9, second rectangular groove 17 has been seted up in the left side of first rectangular plate 5, the inner chamber right side middle part of second rectangular groove 17 has all been seted up second through-hole 18 from last to down, when fixture block 16 moved arc wall 15, the inner chamber of first through-hole 11 and second through-hole 18 communicates with each other, can make the normal circulation of external air enter in the inner assembly of organism 1, the left side of first rectangular plate 5 is provided with the filter screen and changes the part.
The following electric devices have the following types and functions:
the heat radiation fan 4: the model is JRF4510, which is controlled by an external operating system, can accelerate the air flow in the machine body 1 and cool the components in the machine body 1.
Preferably, the noise elimination component includes rectangular covers 19, sound absorption plates 20 and dust removal nets 21, the two rectangular covers 19 are respectively and fixedly installed at the front and rear sides of the machine body 1 corresponding to the positions of the heat dissipation holes, the sound absorption plates 20 are fixedly installed in the inner cavity of the rectangular cover 19, the sound absorption plates 20 can prevent air from flowing and block sound waves, the dust removal nets 21 are fixedly installed at the outer sides of the rectangular covers 19, and when the heat dissipation fan 4 works, dust can be prevented from entering the interior of the machine body 1 by the dust removal nets 21.
As a preferable scheme, further, the filter screen replacing component comprises two rectangular blocks 22, a third rectangular plate 23, a filter screen 24, rectangular holes 25, threaded holes 26 and bolts 27, the number of the rectangular blocks 22 is two, the two rectangular blocks 22 are respectively fixedly installed on the front side and the rear side of the top end of the left side of the first rectangular plate 5, the inner side of the rectangular block 22 is rotatably connected with the third rectangular plate 23 through a pin shaft, the third rectangular plate 23 can rotate around the rectangular blocks 22, the left side of the third rectangular plate 23 is provided with the rectangular holes 25, the outside air can be in contact with the filter screen 24 through the rectangular holes 25, the front side and the rear side of the bottom end of the left side of the first rectangular plate 5 are provided with the threaded holes 26, the filter screen 24 is placed in the inner cavity of the second rectangular groove 17, the inner cavity of the threaded hole 26 is in threaded connection with the bolt 27 for locking the third rectangular plate 23 and the filter screen 24, the bolt 27 is tightened and loosened to separate the inner cavity of the threaded hole 26, the position fixing of the third rectangular plate 23 and the filter screen 24 can be released, and the filter screen 24 can be cleaned or replaced conveniently.
Preferably, the first through holes 11 and the second through holes 18 have the same size and number, and are in one-to-one correspondence in the vertical direction, so as to ensure that the first through holes 11 can be completely communicated with the inner cavities of the second through holes 19.
As a preferable scheme, further, the second through hole 18 is located at the rear side of the first through hole 11, and the rear end of the left side of the second rectangular plate 9 completely seals the right side of the inner cavity of the second through hole 18, and the second rectangular plate 9 can prevent external air from entering from the second through hole 18, so that the air can be prevented from contacting with the molecular sieve inside the machine body 1, and the service life of the molecular sieve can be effectively prolonged.
Preferably, further, a distance between center points of the first through hole 11 and the second through hole 18 located on the same horizontal plane in the front-rear direction is equal to a distance between the rear side of the latch 16 and the rear side of the cavity of the bar groove 14, so that the cavities of the first through hole 11 and the second through hole 18 are completely communicated when the latch 16 moves to the rear side of the cavity of the bar groove 14.
Preferably, the sound-absorbing plate 20 is formed in a honeycomb shape so that the sound-absorbing plate 20 is partitioned into a plurality of closed cells, thereby preventing air from flowing, blocking sound waves, improving sound absorption coefficient, and not affecting air circulation inside the body 1.
Preferably, the area of the inner cavity of the rectangular hole 25 is smaller than the area of the filter screen 24, so as to ensure that the third rectangular plate 23 can press the filter screen 24.
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 used, the cylindrical rod 13 is pressed backwards, the cylindrical rod 13 pushes the second rectangular plate 9 to horizontally move backwards under the limiting action of the slide way 7 and the slide block 8 to extrude the spring 10 until the first through hole 11 is communicated with the inner cavity of the second through hole 18, the fixture block 16 can move to the back side of the inner cavity of the strip-shaped groove 14 along with the cylindrical rod 13, the cylindrical rod 13 is rotated clockwise to enable the fixture block 16 to move into the arc-shaped groove 15, so that the positions of the cylindrical rod 13 and the second rectangular plate 9 can be fixed, then the external power supply of the machine body 1 and the radiating fan 4 can be switched on, the machine body 1 and the radiating fan 4 are controlled to be started, heat generated when the machine body 1 works can be emitted after the radiating fan 4 is started, noise emitted from the radiating holes of the machine body 1 passes through the inside of the sound absorption plate 20, the noise generated when the machine body 1 works can be reduced under the sound absorption action of the sound absorption plate 20, and rest of a patient can be facilitated, when the use is finished, the cylindrical rod 13 is rotated anticlockwise, the clamping block 16 moves into the strip-shaped groove 14 from the arc-shaped groove 15, after the cylindrical rod 13 is loosened, the second rectangular plate 9 moves towards the front side under the action of the elastic force of the spring 10, so that the rear end of the left side of the second rectangular plate 9 can seal the second through hole 18, further external air can be prevented from entering the machine body 1, the air can be prevented from continuously contacting with the molecular sieve, the service life of the molecular sieve can be prolonged, when the filter screen 24 needs to be cleaned, the bolt 27 is rotated, the bolt 27 is separated from the inner cavity of the threaded hole 26, so that the second rectangular plate 23 can be rotated towards the left side, the filter screen 24 tightly pressed in the second rectangular groove 17 can be taken down, the filter screen 24 can be conveniently cleaned or replaced, the machine body 1 can be ensured to suck enough air when in use, the noise generated by the oxygen generator in work can be reduced, is convenient for cleaning the filtering device, can prolong the service life of the molecular sieve and is suitable for wide 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 (5)
1. The utility model provides a medical molecular sieve oxygenerator, includes organism (1), its characterized in that: an air inlet (2) is formed in the left side of the machine body (1), a gas collecting hood (3) is fixedly mounted at the position, corresponding to the air inlet (2), of the left side of an inner cavity of the machine body (1), the right side of the gas collecting hood (3) is fixedly connected with an air inlet of an air compressor in the machine body (1), a sealing mechanism is fixedly mounted at the position, corresponding to the air inlet (2), of the left side of the machine body (1), radiating holes are formed in the bottoms of the front side and the rear side of the machine body (1), radiating fans (4) are fixedly mounted at positions, corresponding to the radiating holes, of the front side and the rear side of the inner cavity of the machine body (1), and noise elimination components are arranged at the positions, corresponding to the radiating holes, of the front side and the rear side of the machine body (1);
the sealing mechanism comprises a first rectangular plate (5), a first rectangular groove (6), a slide way (7), a slide block (8), a second rectangular plate (9), a spring (10), a first through hole (11), a circular groove (12), a cylindrical rod (13), a strip-shaped groove (14), an arc-shaped groove (15), a clamping block (16), a second rectangular groove (17) and a second through hole (18);
the air conditioner is characterized in that the first rectangular plate (5) is fixedly arranged on the left side of the machine body (1) corresponding to the position of the air inlet (2), a first rectangular groove (6) communicated with the inner cavity of the air inlet (2) is formed in the right side of the first rectangular plate (5), a slide way (7) is formed in the upper end and the lower end of the inner cavity of the first rectangular groove (6) along the front-back direction, one part of a slide block (8) is spliced in the front side of the inner cavity of the slide way (7), a second rectangular plate (9) contacted with the left side of the inner cavity of the first rectangular groove (6) is fixedly arranged on the other part of the slide block (8), one end of a spring (10) is fixedly arranged at the upper end and the lower end of the rear side of the second rectangular plate (9), the other end of the spring (10) is fixedly connected with the rear side of the inner cavity of the first rectangular groove (6), and a first through hole (11) is formed in the front end of the right side of the second rectangular plate (9) from top to bottom, the middle part of the front side of the first rectangular plate (5) is provided with a circular groove (12) communicated with the inner cavity of the first rectangular groove (6), the inner cavity of the circular groove (12) is spliced with a cylindrical rod (13), the rear side of the cylindrical rod (13) extends into the inner cavity of the first rectangular groove (6) and is rotationally connected with the front side of the second rectangular plate (9) through a bearing, an inner ring of the bearing is in interference fit with the cylindrical rod (13), an outer ring of the bearing is fixedly connected with the front side of the second rectangular plate (9), the top end of the inner cavity of the circular groove (12) is provided with a strip-shaped groove (14), the front side of the strip-shaped groove (14) is in a through shape, the rear end of the right side of the inner cavity of the strip-shaped groove (14) is provided with an arc-shaped groove (15), the middle part of the top end of the outer wall of the cylindrical rod (13) is fixedly provided with a clamping block (16), and the clamping block (16) is spliced with the front side of the inner cavity of the strip-shaped groove (14), a second rectangular groove (17) is formed in the left side of the first rectangular plate (5), second through holes (18) are formed in the middle of the right side of an inner cavity of the second rectangular groove (17) from top to bottom, the first through holes (11) and the second through holes (18) are identical in size and number and correspond to each other in the vertical direction one by one, the second through holes (18) are located on the rear side of the first through holes (11), the right side of the inner cavity of the second through holes (18) is completely sealed by the rear end of the left side of the second rectangular plate (9), and a filter screen replacing part is arranged on the left side of the first rectangular plate (5);
the filter screen replacement part comprises rectangular blocks (22), a third rectangular plate (23), a filter screen (24), rectangular holes (25), threaded holes (26) and bolts (27), the number of the rectangular blocks (22) is two, two the rectangular blocks (22) are fixedly mounted on the front side and the rear side of the top end of the left side of the first rectangular plate (5) respectively, the inner side of each rectangular block (22) is connected with the third rectangular plate (23) in a rotating mode through a pin shaft, the rectangular holes (25) are formed in the left side of the third rectangular plate (23), the threaded holes (26) are formed in the front side and the rear side of the bottom end of the left side of the first rectangular plate (5), the filter screen (24) is placed in an inner cavity of the second rectangular groove (17), and the inner cavity of each threaded hole (26) is screwed with the bolt (27) locked on the third rectangular plate (23) and the filter screen (24).
2. The medical molecular sieve oxygen generator according to claim 1, wherein: the noise elimination part comprises a rectangular cover (19), sound absorption plates (20) and a dust removal net (21), the rectangular cover (19) is fixedly installed on the front side and the rear side of the machine body (1) corresponding to the positions of the heat dissipation holes respectively, the sound absorption plates (20) are fixedly installed in the inner cavity of the rectangular cover (19), and the dust removal net (21) is fixedly installed on the outer side of the rectangular cover (19).
3. The medical molecular sieve oxygen generator according to claim 1, wherein: the distance between the center points of the first through hole (11) and the second through hole (18) on the same horizontal plane along the front-back direction is equal to the distance between the rear side of the fixture block (16) and the rear side of the inner cavity of the strip-shaped groove (14).
4. The medical molecular sieve oxygen generator according to claim 2, wherein: the interior shape of the sound-absorbing plate (20) is in a honeycomb perforated shape.
5. The medical molecular sieve oxygen generator according to claim 1, wherein: the area of the inner cavity of the rectangular hole (25) is smaller than that of the filter screen (24).
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| CN201910391372.4A CN110078026B (en) | 2019-05-12 | 2019-05-12 | Medical molecular sieve oxygen generator |
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| CN201910391372.4A CN110078026B (en) | 2019-05-12 | 2019-05-12 | Medical molecular sieve oxygen generator |
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| CN110078026A CN110078026A (en) | 2019-08-02 |
| CN110078026B true CN110078026B (en) | 2022-07-01 |
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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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