CN115010095A - Internal fixing structure of molecular sieve cylinder - Google Patents
Internal fixing structure of molecular sieve cylinder Download PDFInfo
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- CN115010095A CN115010095A CN202210748313.XA CN202210748313A CN115010095A CN 115010095 A CN115010095 A CN 115010095A CN 202210748313 A CN202210748313 A CN 202210748313A CN 115010095 A CN115010095 A CN 115010095A
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- Prior art keywords
- bevel gear
- molecular sieve
- fastener
- sieve cylinder
- internal fixation
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- 239000002808 molecular sieve Substances 0.000 title claims abstract description 73
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000007789 sealing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 20
- 239000001301 oxygen Substances 0.000 abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/06—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides an internal fixing structure of a molecular sieve cylinder, which comprises: the center of the bottom of the top cover is provided with an inserted bar, and the inserted bar is provided with a clamping bar; the bevel gear assembly is arranged in the fixed seat and comprises a first bevel gear, a second bevel gear and a third bevel gear; the first fastener is rotatably connected with the fixed seat, one end of the first fastener is fixed with the third bevel gear, and the other end of the first fastener is provided with a first inclined plane; the second fastener is connected with the fixed seat in a sliding mode, and one end of the second fastener is provided with a second inclined surface; the self-locking assembly is arranged between the fixed seat and the second bevel gear; the connecting piece, with first bevel gear fixed connection, be equipped with on the connecting piece with inserted bar matched with jack, and with kelly matched with vertical slot and horizontal slot, horizontal slot slope sets up, is equipped with first elastic component between fixing base and the top cap. The molecular sieve cylinder is sealed from the inside of the molecular sieve cylinder, the internal space of the oxygen generator is not occupied, the miniaturization of the oxygen generator is facilitated, and the top cover cannot fall off along with the vibration of the molecular sieve cylinder.
Description
Technical Field
The invention relates to the technical field of oxygen generators, in particular to an internal fixing structure of a molecular sieve cylinder.
Background
The oxygen generator is a machine for preparing oxygen, and the principle of oxygen preparation is to utilize the adsorption performance of molecular sieve to pressurize the molecular sieve cylinder filled with molecular sieve, and to adsorb nitrogen in the air to obtain high-concentration oxygen. Along with the increase of users of the oxygen generators, small-sized oxygen generators appear in the market, and the small-sized oxygen generators are small in size and convenient to carry.
The small oxygen generator has higher requirement on the volume of the oxygen generator, and most of molecular sieve cylinders in the existing small oxygen generator adopt an external fixed sealing mode to seal the molecular sieve cylinders, so that the internal space of the oxygen generator needs to be occupied, and the miniaturization of the oxygen generator is not facilitated; and the inside fixed seal of a molecular sieve section of thick bamboo adopts threaded connection's mode to seal more, but oxygenerator during operation, because of the vibration of the inside compressor of oxygenerator, a molecular sieve section of thick bamboo can be in the state of vibration, along with the continuous vibration of a molecular sieve section of thick bamboo, can lead to threaded connection's not hard up or even drop, and is fixed insecure.
Therefore, the present invention provides an internal fixing structure of a molecular sieve cylinder to solve the above technical problems.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an internal fixing structure of a molecular sieve cylinder.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the top cover is used for sealing the top of the molecular sieve cylinder, a sealing ring is arranged between the top cover and the molecular sieve cylinder, an inserted bar is fixedly arranged at the center of the bottom of the top cover, a clamping bar is fixedly arranged on the inserted bar, and the clamping bar is perpendicular to the inserted bar;
the fixing seat comprises a bottom plate and a side wall connected with the bottom plate, a bevel gear assembly is arranged in the fixing seat, the bevel gear assembly comprises a first bevel gear and a second bevel gear which are arranged at intervals up and down, and a plurality of third bevel gears arranged between the first bevel gear and the second bevel gear, each third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, a plurality of support columns with the same number as the third bevel gears are arranged on the bottom plate, the top ends of the support columns are fixedly connected with the same fixing plate, a mandrel is fixedly arranged at the center of the bottom plate, and the second bevel gear is rotatably connected with the mandrel;
the first fastener is rotationally connected with the support column, one end of the first fastener is fixedly connected with the third bevel gear, and the other end of the first fastener is provided with a first inclined plane;
the second fastening piece is connected with the side wall in a sliding mode and arranged along the length direction of the first fastening piece, one end of the second fastening piece is provided with a second inclined surface matched with the first inclined surface, and the other end of the second fastening piece extends to the outer side of the side wall;
the self-locking assembly is arranged between the bottom plate and the second bevel gear and used for locking the bevel gear assembly in a one-way mode;
the connecting piece is arranged at the top of the first bevel gear and fixedly connected with the first bevel gear, the connecting piece is provided with an inserting hole matched with the inserting rod, a vertical groove and a transverse groove matched with the clamping rod, the transverse groove is obliquely arranged, the lower end of the transverse groove is communicated with the vertical groove, the vertical groove and the transverse groove are communicated with the inserting hole, and a first elastic piece is arranged between the fixed seat and the top cover; the fixing plate is provided with a through hole, the connecting piece can rotatably penetrate through the through hole, and the fixing plate is in sliding contact with the first bevel gear.
Preferably, the internal fixing structure of the molecular sieve cylinder further comprises a pressing plate, the pressing plate is arranged below the fixing seat, a plurality of vent holes are formed in the pressing plate, and a second elastic piece is arranged between the pressing plate and the fixing seat.
Preferably, the self-locking assembly comprises a ratchet wheel, the ratchet wheel is arranged at the bottom of the second bevel gear, is fixedly connected with the second bevel gear in a coaxial line and is rotatably connected with the mandrel, and a pawl matched with the ratchet wheel is arranged in the fixed seat.
Preferably, the bottom plate is provided with a fixing sleeve, the fixing sleeve is arranged on the outer side of the mandrel at intervals, the ratchet wheel is arranged in the fixing sleeve, and the pawl is arranged on the fixing sleeve.
Preferably, the first inclined surfaces are two inclined surfaces which are symmetrical about the first fastener axis, and the second inclined surfaces are two inclined surfaces which are symmetrical about the second fastener axis.
Preferably, the number of the vertical grooves and the number of the horizontal grooves are two, and the two vertical grooves and the two horizontal grooves are respectively in central symmetry with respect to the central axis of the jack; the clamping rods are two and are in central symmetry with respect to the central axis of the inserted rod.
Preferably, the first elastic member and the second elastic member are both springs.
Preferably, one end of the second fastener, which is located outside the side wall, is provided with an abutting part, and the abutting part is used for abutting against the inner wall of the molecular sieve cylinder.
Preferably, the abutting piece is made of flexible materials.
Compared with the prior art, the invention has the beneficial effects that:
according to the fixing structure in the molecular sieve cylinder, the molecular sieve cylinder is sealed from the inside of the molecular sieve cylinder, so that the internal space of an oxygen generator is not occupied, the miniaturization of the oxygen generator is facilitated, the structure is stable, and the top cover cannot fall off along with the vibration of the molecular sieve cylinder; furthermore, a pressing plate and a second elastic piece are arranged, so that the molecular sieve in the cylinder can be pressed, and the molecular sieve is kept in a compact state.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic structural view of the top cover;
FIG. 3 is a schematic view of the bevel gear assembly and the first fastener from one perspective;
FIG. 4 is a schematic structural view of the bevel gear assembly and the first fastener from another perspective;
FIG. 5 is a schematic structural view of the fixing base and the second fastening member.
Description of the reference numerals
1-top cover, 2-sealing ring, 3-inserted rod, 4-clamping rod, 5-fixed seat, 6-first bevel gear, 7-second bevel gear, 8-third bevel gear, 9-first fastening piece, 10-first inclined plane, 11-second fastening piece, 12-second inclined plane, 13-connecting piece, 14-inserting hole, 15-vertical groove, 16-transverse groove, 17-first elastic piece, 18-pressing plate, 19-second elastic piece, 20-ratchet wheel, 21-pawl, 22-bottom plate, 23-side wall, 24-supporting column, 25-fixing plate, 26-mandrel, 27-fixing sleeve and 28-abutting-against piece.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Referring to fig. 1 to 5, an internal fixing structure of a molecular sieve drum includes: the top cover 1 is used for sealing the top of a molecular sieve cylinder, a sealing ring 2 is arranged between the top cover 1 and the molecular sieve cylinder, the sealing ring 2 has elasticity and certain thickness, an inserted bar 3 is fixedly arranged at the center of the bottom of the top cover 1, a clamping bar 4 is fixedly arranged on the inserted bar 3, and the clamping bar 4 is perpendicular to the inserted bar 3; fixing base 5, including bottom plate 22 and with lateral wall 23 that the bottom plate is connected, the inside bevel gear subassembly that is equipped with of fixing base 5, the bevel gear subassembly includes first bevel gear 6 and the second bevel gear 7 that upper and lower interval set up, and sets up a plurality of third bevel gear 8 between first bevel gear 6 and the second bevel gear 7, every third bevel gear 8 respectively with first bevel gear 6 and second bevel gear 7 mesh, be equipped with on the bottom plate 22 with a plurality of support columns 24 that third bevel gear 8 quantity equals, it is a plurality of the same fixed plate 25 of support column 24 top fixedly connected with, fixed plate 25 is used for guaranteeing the stability of bevel gear subassembly meshing, avoids the bevel gear subassembly loose. A mandrel 26 is fixedly arranged at the center of the bottom plate 22, and the second bevel gear 7 is rotatably connected with the mandrel 26; the first fastening piece 9 is rotatably connected with the supporting column 24, one end of the first fastening piece is fixedly connected with the third bevel gear 8, and the other end of the first fastening piece is provided with a first inclined plane 10; the second fastening piece 11 is connected with the side wall 23 in a sliding mode and arranged along the length direction of the first fastening piece 9, one end of the second fastening piece 11 is provided with a second inclined surface 12 matched with the first inclined surface 10, and the other end of the second fastening piece 11 extends to the outer side of the side wall 23; the self-locking assembly is arranged between the bottom plate 22 and the second bevel gear 7 and is used for locking the bevel gear assembly in a one-way mode; the connecting piece 13 is arranged at the top of the first bevel gear 6 and fixedly connected with the first bevel gear 6, the connecting piece 13 is provided with a jack 14 matched with the inserted rod 3, a vertical groove 15 and a horizontal groove 16 matched with the clamping rod 4, the horizontal groove 16 is obliquely arranged, the lower end of the horizontal groove 16 is communicated with the vertical groove 15, the vertical groove 15 and the horizontal groove 16 are both communicated with the jack 14, and a first elastic piece 17 is arranged between the fixed seat 5 and the top cover 1; the fixing plate 25 is provided with a through hole, the connecting piece 13 can rotatably penetrate through the through hole, and the fixing plate 25 is in sliding contact with the first bevel gear 6.
Specifically, the number of the first fastening members 9 and the second fastening members 11 is the same as the number of the third bevel gears 8, and the number and arrangement of the third bevel gears 8 may be set according to the shape of the molecular sieve cylinder, for example, in the present embodiment, when the molecular sieve cylinder is a circular cylinder, the third bevel gears 8 may be three arranged at equal intervals, but not limited thereto.
The bevel gear component is matched specifically as follows: when the first bevel gear 6 is driven to rotate, the third bevel gear 8 can be driven to rotate, the third bevel gear 8 is fixedly connected with the first fastening piece 9, and the central axis of the third bevel gear 8 coincides with the central axis of the first fastening piece 9. The first fastening piece 9 is rotatably connected with the support column 24, specifically, a hole may be formed in the support column 24, the first fastening piece 9 is sleeved in the hole of the support column 24 in a clearance manner, under the limitation of the support column 24, the first fastening piece 9 and the third bevel gear 8 can only rotate along the central axis thereof and cannot rotate circumferentially, and the second bevel gear 7 is rotatably connected with the mandrel 26, so that the third bevel gear 8 can drive the second bevel gear 7 to rotate, and when the second bevel gear 7 is limited by the self-locking assembly to be incapable of rotating, the whole bevel gear assembly is also locked. The first fastener 9 can only rotate along the central axis, so that the applicable scenes of the internal fixing structure of the molecular sieve cylinder are more diversified, and the molecular sieve cylinder is not only suitable for a circular cylinder, but also suitable for a square cylinder.
One end of the second fastening member 11 located outside the side wall 23 is used for tightly supporting the inner wall of the molecular sieve cylinder, in a specific embodiment, one end of the second fastening member 11 located outside the side wall 23 is designed to be square, so that friction between the second fastening member 11 and the inner wall of the molecular sieve cylinder can be increased, and when the first fastening member 9 rotates along the central axis of the first fastening member, the second fastening member 11 is pushed to move towards the outside of the side wall 23 through the matching of the first inclined surface 10 and the second inclined surface 12, so that the second fastening member 11 can be tightly supported against the inner wall of the molecular sieve cylinder. And then the bevel gear component is unidirectionally locked by the self-lock component, so that the jacking force of the outer end of the second fastening piece 11 on the inner wall of the molecular sieve cylinder is kept, and the bevel gear component is prevented from rotating under the action of the reaction force of the inner wall of the molecular sieve cylinder.
The connecting piece 13 is used for driving the first bevel gear 6 to rotate so as to drive the whole bevel gear assembly to rotate, the inserted rod 3 is inserted into the inserting hole 14, the clamping rod 4 is inserted into the vertical groove 15 in the process, when the clamping rod 4 descends to the lowest end of the vertical groove 15, the top cover 1 is rotated, the clamping rod 4 enters the horizontal groove 16 and moves to the higher end of the horizontal groove 16, then the top cover 1 is rotated to drive the connecting piece 13 to rotate so as to drive the bevel gear assembly to rotate, the horizontal groove 16 is set to be inclined, a first elastic piece 17 (the first elastic piece 17 can be a compression spring) is arranged between the fixed seat 5 and the top cover 1, the first elastic piece 17 can be specifically arranged between the fixed plate 25 and the top cover 1, under the elastic force action of the first elastic piece 17, the clamping rod 4 is kept at the higher end of the horizontal groove 16, and the situation that the clamping rod 4 moves from the higher end to the lower end of the horizontal groove 16 along with the vibration of the molecular sieve cylinder when the oxygen generator runs is avoided, and into the vertical channel 15, causing the cap 1 to disengage.
The concrete operation steps of the top cover 1 and other structures matched to realize the sealing of the molecular sieve cylinder are as follows: insert inserted bar 3 in the jack 14 of connecting piece 13, when kelly 4 descends to vertical slot 15 least significant end (sealing washer 2 receives extrusion deformation this moment), rotate top cap 1, kelly 4 gets into horizontal slot 16, move to behind the higher end of horizontal slot 16, it drives connecting piece 13 rotation to rotate top cap 1 again, because of connecting piece 13 and first bevel gear 6 fixed connection, and then drive the bevel gear subassembly and rotate, under the rotation of bevel gear subassembly, first fastener 9 promotes second fastener 11 and moves to lateral wall 23 outside direction, when second fastener 11 firmly supported tightly with the molecular sieve section of thick bamboo inner wall, auto-lock subassembly locking bevel gear subassembly, realize top cap 1 fixed and with the sealed between the molecular sieve section of thick bamboo. It should be noted that, although the top cover 1 moves upward relative to the clamping rod 4 at the lowest end of the vertical groove 15 when the clamping rod 4 moves to the higher end of the horizontal groove 16, the sealing ring 2 has a certain thickness, which still ensures that the sealing gasket is still in a squeezed state after the fixation is completed, and the top cover 1 and the molecular sieve cylinder are still sealed.
The internal fixing structure of the molecular sieve cylinder seals the molecular sieve cylinder from the inside of the molecular sieve cylinder, does not occupy the internal space of the oxygen generator, and is beneficial to the miniaturization of the oxygen generator; the second fastener 11 tightly supports the inner wall of the molecular sieve cylinder and the clamping rod 4 is kept at the higher end of the transverse groove 16, the structure is stable, and the molecular sieve cylinder can be kept well sealed under the working environment of continuous vibration.
In order to keep the molecular sieve in a compact state all the time in the use process, in some embodiments, the internal fixing structure of the molecular sieve cylinder further includes a pressing plate 18, the pressing plate 18 is disposed below the fixing base 5, a plurality of vent holes are disposed on the pressing plate 18, and a second elastic member 19 is disposed between the pressing plate 18 and the fixing base 5. Because the molecular sieve may be partially pulverized during the use process, and the top plane of the molecular sieve is lowered, the pressing plate 18 can be always tightly attached to the top plane of the molecular sieve to press the molecular sieve under the action of the second elastic member 19 (the second elastic member 19 may be a spring).
In some embodiments, the self-locking assembly includes a ratchet 20, the ratchet 20 is disposed at the bottom of the second bevel gear 7, is fixedly connected to the second bevel gear 7 coaxially, and is rotatably connected to the mandrel 26, a pawl 21 is disposed in the fixing seat 5 and is matched with the ratchet 20, by providing the ratchet pawl, the second bevel gear 7 can only rotate in one direction, that is, the second bevel gear 7 is unidirectionally locked, so that the bevel gear assembly is unidirectionally locked, the bevel gear assembly is prevented from rotating under the action of a reaction force of the inner wall of the molecular sieve cylinder, and the tightening force of the outer end of the second fastening member 11 on the inner wall of the molecular sieve cylinder is maintained.
In some embodiments, the base plate 22 is provided with a retaining sleeve 27, the retaining sleeve 27 is spaced outside the core shaft 26, the ratchet 20 is disposed in the retaining sleeve 27, and the pawl 21 is disposed on the retaining sleeve 27. The pawls 21 may be plural and arranged at equal intervals on the fixing sleeve 27.
In some embodiments, the first inclined surfaces 10 are two symmetrical about the axis of the first fastening member 9, and the second inclined surfaces 12 are two symmetrical about the axis of the second fastening member 11.
In some embodiments, there are two vertical grooves 15 and two horizontal grooves 16, and the two vertical grooves 15 and the two horizontal grooves 16 are respectively symmetric with respect to the central axis of the insertion hole 14; the number of the clamping rods 4 is two, and the two clamping rods 4 are centrosymmetric about the central axis of the inserted link 3. The two transverse grooves 16 and the two clamping rods 4 are respectively arranged, so that the stress balance of the top cover 1 can be ensured, and the internal fixing structure of the molecular sieve cylinder is more stable.
In some embodiments, an abutting part 28 is disposed at one end of the second fastening member 11 located outside the sidewall 23, the abutting part 28 is used for abutting against the inner wall of the molecular sieve cylinder, and the abutting part 28 may be made of a flexible material, such as rubber, and can increase the friction force with the inner wall of the molecular sieve cylinder.
Claims (9)
1. An internal fixation structure of a molecular sieve cylinder, comprising:
the top cover is used for sealing the top of the molecular sieve cylinder, a sealing ring is arranged between the top cover and the molecular sieve cylinder, an inserted bar is fixedly arranged at the center of the bottom of the top cover, a clamping bar is fixedly arranged on the inserted bar, and the clamping bar is perpendicular to the inserted bar;
the fixing seat comprises a bottom plate and a side wall connected with the bottom plate, a bevel gear assembly is arranged in the fixing seat, the bevel gear assembly comprises a first bevel gear and a second bevel gear which are arranged at intervals up and down, and a plurality of third bevel gears arranged between the first bevel gear and the second bevel gear, each third bevel gear is respectively meshed with the first bevel gear and the second bevel gear, a plurality of support columns with the same number as the third bevel gears are arranged on the bottom plate, the top ends of the support columns are fixedly connected with the same fixing plate, a mandrel is fixedly arranged at the center of the bottom plate, and the second bevel gear is rotatably connected with the mandrel;
the first fastener is rotatably connected with the support column, one end of the first fastener is fixedly connected with the third bevel gear, and the other end of the first fastener is provided with a first inclined plane;
the second fastening piece is connected with the side wall in a sliding mode and arranged along the length direction of the first fastening piece, one end of the second fastening piece is provided with a second inclined surface matched with the first inclined surface, and the other end of the second fastening piece extends to the outer side of the side wall;
the self-locking assembly is arranged between the bottom plate and the second bevel gear and used for locking the bevel gear assembly in a one-way mode;
the connecting piece is arranged at the top of the first bevel gear and fixedly connected with the first bevel gear, the connecting piece is provided with an inserting hole matched with the inserting rod, a vertical groove and a transverse groove matched with the clamping rod, the transverse groove is obliquely arranged, the lower end of the transverse groove is communicated with the vertical groove, the vertical groove and the transverse groove are communicated with the inserting hole, and a first elastic piece is arranged between the fixed seat and the top cover; the fixing plate is provided with a through hole, the connecting piece can rotatably penetrate through the through hole, and the fixing plate is in sliding contact with the first bevel gear.
2. The internal fixation structure of a molecular sieve cartridge of claim 1, wherein: the internal fixing structure of the molecular sieve cylinder further comprises a pressing plate, the pressing plate is arranged below the fixing seat, a plurality of vent holes are formed in the pressing plate, and a second elastic piece is arranged between the pressing plate and the fixing seat.
3. The internal fixation structure of a molecular sieve cartridge of claim 1, wherein: the self-locking assembly comprises a ratchet wheel, the ratchet wheel is arranged at the bottom of the second bevel gear, is coaxially and fixedly connected with the second bevel gear and is rotationally connected with the mandrel, and a pawl matched with the ratchet wheel is arranged in the fixed seat.
4. The internal fixation structure of a molecular sieve cartridge of claim 3, wherein: the bottom plate is provided with a fixing sleeve, the fixing sleeve is arranged on the outer side of the mandrel at intervals, the ratchet wheel is arranged in the fixing sleeve, and the pawl is arranged on the fixing sleeve.
5. The internal fixation structure of a molecular sieve cartridge of claim 1, wherein: the first inclined surfaces are two in central symmetry about the first fastener axis, and the second inclined surfaces are two in central symmetry about the second fastener axis.
6. The internal fixation structure of a molecular sieve cartridge of claim 1, wherein: the number of the vertical grooves and the number of the transverse grooves are two, and the two vertical grooves and the two transverse grooves are respectively in central symmetry with respect to the central axis of the jack; the clamping rods are two and are in central symmetry with respect to the central axis of the inserted rod.
7. An internal fixation structure for a molecular sieve cartridge of claim 2, wherein: the first elastic piece and the second elastic piece are both springs.
8. The internal fixation structure of a molecular sieve cartridge of claim 1, wherein: and one end of the second fastener, which is positioned at the outer side of the side wall, is provided with an abutting part, and the abutting part is used for abutting against the inner wall of the molecular sieve cylinder.
9. The internal fixation structure of a molecular sieve cartridge of claim 8, wherein: the abutting connection piece is made of flexible materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210748313.XA CN115010095B (en) | 2022-06-29 | 2022-06-29 | Internal fixing structure of molecular sieve cylinder |
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| CN202210748313.XA CN115010095B (en) | 2022-06-29 | 2022-06-29 | Internal fixing structure of molecular sieve cylinder |
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| CN115010095B CN115010095B (en) | 2023-11-17 |
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| US20100095850A1 (en) * | 2008-10-20 | 2010-04-22 | Yuun Tong Electronic Enterprise Co., Ltd. | Multichannel circulation oxygen generator |
| CN206747079U (en) * | 2017-03-21 | 2017-12-15 | 湖南长海科技发展有限公司 | A kind of cleaning device of medical molecular sieve central oxygen machine |
| WO2022036645A1 (en) * | 2020-08-20 | 2022-02-24 | 惠州市集迅电子有限公司 | Molecular sieve oxygenator and molecular sieve device thereof |
| CN213505966U (en) * | 2020-09-16 | 2021-06-22 | 济宁科瑞特医疗设备有限公司 | Synergistic energy-saving device of medical molecular sieve oxygen generator |
| CN214059911U (en) * | 2020-12-10 | 2021-08-27 | 西安市新希望医疗器械有限公司 | Molecular oxygen generator for medical treatment |
| CN215939482U (en) * | 2021-05-13 | 2022-03-04 | 江苏互竑生物医学有限公司 | Molecular sieve closing device for molecular sieve oxygenerator |
| CN216273104U (en) * | 2021-08-27 | 2022-04-12 | 青岛精安医疗科技有限责任公司 | Molecular sieve integrated assembly |
| CN113856397A (en) * | 2021-09-02 | 2021-12-31 | 江苏苏航医疗设备有限公司 | Structure is changed to molecular sieve jar of portable oxygenerator |
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