CN114642945A - Medical oxygen generator based on valve design is flowed subassembly slowly - Google Patents
Medical oxygen generator based on valve design is flowed subassembly slowly Download PDFInfo
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- CN114642945A CN114642945A CN202210292749.2A CN202210292749A CN114642945A CN 114642945 A CN114642945 A CN 114642945A CN 202210292749 A CN202210292749 A CN 202210292749A CN 114642945 A CN114642945 A CN 114642945A
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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
- B01D53/02—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
- B01D53/04—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 stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a medical oxygen generator based on a valve design slow flow component, which relates to the technical field of medical oxygen generation devices, and particularly relates to a medical oxygen generator based on a valve design slow flow component, which comprises an oxygen generation box and an air compressor, wherein the air compressor is arranged in an inner cavity of the oxygen generation box through a support frame, the air inlet end of the air compressor is connected with an air inlet pipe through a pipe joint, the air outlet end of the air compressor is connected with a flow dividing pipe through a pipe joint, the left side and the right side of the side surface of the flow dividing pipe are provided with a first control valve and a second control valve, and the flow dividing pipe is provided with the oxygen generation component, and the medical oxygen generator has the beneficial effects that: through air compressor and system oxygen subassembly cooperation, make oxygen after filtering through system oxygen subassembly with air compression back, through the unhurried current mechanism that sets up, oxygen flows along the protection tube, through the unhurried current pipe that sets up, unhurried current board and unhurried current baffle play the effect of unhurried current to oxygen to can prevent the direct impact adjustment mechanism of air current, thereby protect the valve of oxygenerator.
Description
Technical Field
The invention relates to the technical field of medical oxygen generation devices, in particular to a medical oxygen generator based on a valve design slow flow component.
Background
A medical oxygen generator is a medical device for extracting oxygen from air by utilizing technologies such as pressure swing adsorption and the like. The common type of the medical oxygen generator is a pressure swing adsorption oxygen generator which adopts a pressure swing adsorption technology to generate oxygen and can extract oxygen from air. The medical oxygen generator is filled with a molecular sieve, oxygen generation raw material is air, the air is filtered and then enters a compressor for compression, the compressed high-pressure air is cooled and then enters an adsorption tower for adsorption and separation, the molecular sieve is arranged in the adsorption tower, nitrogen and carbon dioxide in the adsorption tower can be adsorbed by the molecular sieve, and gas flowing out of the adsorption tower is oxygen with higher purity and can be used as medical oxygen. And the separated oxygen enters a gas storage tank for storage. The existing medical oxygen generator has the defects in actual use, in order to improve the quality of air, an air filtering device is arranged in the oxygen generator, but most of the existing medical oxygen generator is internally provided with only a single filtering device and an adsorption tower, and after the filtering device and the adsorption tower are used for a long time, the interior of the existing medical oxygen generator needs to be cleaned, so that the work of the oxygen generator needs to be suspended, the normal use of the oxygen generator is influenced, and the oxygen generation efficiency is influenced; the control valve on the existing oxygenerator is not provided with a flow slowing device, and the high-pressure circulating gas can cause the damage of the valve, thereby causing the leakage of oxygen and the like and further influencing the normal use of the oxygenerator. The existing oxygen generator is not provided with an anti-backflow valve, when the oxygen generator stops working, the oxygen in the gas storage tank can generate backflow phenomenon, and therefore devices inside the oxygen generator are damaged. Therefore, a medical oxygen generator based on a valve design slow flow component is provided to solve the defects.
Disclosure of Invention
The invention aims to provide a medical oxygen generator based on a valve design slow flow component, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a medical oxygen generator based on a valve design slow flow component comprises an oxygen generation box and an air compressor, wherein the air compressor is arranged in an inner cavity of the oxygen generation box through a support frame, an air inlet end of the air compressor is connected with an air inlet pipe through a pipe joint, an air outlet end of the air compressor is connected with a flow dividing pipe through a pipe joint, a first control valve and a second control valve are arranged on the left side and the right side of the flow dividing pipe, the oxygen generation component is arranged on the flow dividing pipe, a control valve body is welded at the upper end of the oxygen generation box, a spherical groove is formed in the inner side of the control valve body, air inlets are symmetrically formed in the left side and the right side of the control valve body, an air outlet is formed in the side of the control valve body, sealing grooves are symmetrically formed in the left side and the right side of the control valve body, a limiting groove is formed in the upper end of the control valve body, and slow flow mechanisms are symmetrically arranged on the left side and the right side of the control valve body, one end of a protection pipe in the slow flow mechanism is provided with a sealing mechanism, the side face of the control valve body is provided with an anti-backflow mechanism, the inner side of the control valve body is provided with an adjusting mechanism, and a positioning mechanism is arranged in the limiting groove.
Preferably, the oxygen generation assembly comprises: the filter device comprises a first filtering device, a first adsorption tower body, a second filtering device and a second adsorption tower body, wherein the left end and the right end of the shunt pipe are connected with the first filtering device and the second filtering device through bolts, the upper end of the first filtering device is connected with the first adsorption tower body through bolts, and the upper end of the second filtering device is connected with the second adsorption tower body through bolts.
Preferably, the upper end bilateral symmetry of control valve body has the connection sign in the welding, the upper end longitudinal symmetry of control valve body has the switch sign in the welding.
Preferably, the slow flow mechanism includes: protection tube, unhurried current pipe, unhurried current board, unhurried current baffle and external screw thread cover, the left and right sides symmetry of control valve body is provided with the protection tube, the inner chamber of protection tube is provided with unhurried current pipe, the inner chamber welding of unhurried current pipe has the unhurried current board, the both ends symmetrical welding of unhurried current pipe has the unhurried current baffle, and the side welding of one of them unhurried current baffle has the external screw thread cover.
Preferably, one end of each protection tube is fixedly connected with the control valve body through a bolt, the other end of each protection tube is connected with a connecting tube through a bolt, each connecting tube is a bent tube, one connecting tube is fixedly connected with the first adsorption tower main body through a bolt, and the other connecting tube is fixedly connected with the second adsorption tower main body through a bolt.
Preferably, the slow flow plate is a bending plate, the slow flow baffle is a circular plate, through holes are formed in the side face of the circular plate in a circumferential array mode, internal threads are formed in the inner cavity of the protection tube, and the external thread sleeve is in threaded connection with the protection tube.
Preferably, the sealing mechanism includes: sealed pad, annular seal board and ring channel, the cover is equipped with sealed the pad in the seal groove, the side welding of protection tube has annular seal board, the ring channel has been seted up to annular seal board's side, annular seal board pegs graft with the seal groove, annular seal board's tip and the sealed contact of filling up, sealed pad and ring channel joint.
Preferably, the backflow prevention mechanism includes: prevent back flow, spout, fixed bolster, sealed piece, stopper, gag lever post and spacing spring, the side welding of control valve body has prevents the back flow, prevent the inner chamber bilateral symmetry of back flow and seted up the spout, prevent the inner chamber welding of back flow and have the fixed bolster, the round hole has been seted up to the side of fixed bolster, the inner chamber joint of preventing the back flow has sealed piece, the face of cylinder bilateral symmetry welding of sealed piece has the stopper, the side welding of sealed piece has the gag lever post, the cover is equipped with spacing spring on the gag lever post, gag lever post and fixed bolster sliding connection, the one end of gag lever post passes the round hole welding and has fixed round piece.
Preferably, the adjusting mechanism comprises: spherical stopper, L shape chute, leak protection circle, pivot, annular fixed block, constant head tank, adjust knob and instruction arrow point, it is connected with spherical stopper to rotate through the round pin axle in the spherical groove, L shape chute has been seted up to the side of spherical stopper, the cover is equipped with the leak protection circle on the spherical stopper, and spherical stopper and leak protection circle sliding connection, the leak protection circle bonds with spherical groove, the upper end welding of spherical stopper has the pivot, the pivot is rotated with control valve body and is connected, the welding has annular fixed block in the pivot, annular fixed block rotates with control valve body and is connected, four constant head tanks have been seted up to the side one-tenth circumference array of annular fixed block, control valve body and adjust knob welding are passed to the upper end of pivot, adjust knob's upper end welding has two instruction arrow points, and two instruction arrow points become the setting of ninety degree contained angle.
Preferably, the positioning mechanism comprises: adjust pole, positioning spring and locating piece, the side of control valve body is pegged graft and is had the regulation pole, and adjusts pole and control valve body sliding connection, the cover is equipped with positioning spring on the regulation pole, the one end welding of adjusting the pole has the locating piece, locating piece and spacing groove sliding connection, the one end of locating piece is passed control valve body and constant head tank joint.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. the air compressor is matched with the oxygen generation assembly, the compressed air is filtered by the oxygen generation assembly to generate oxygen, the oxygen flows along the protective tube through the arranged slow flow mechanism, and the slow flow tube, the slow flow plate and the slow flow baffle plate play a role in slow flow on the oxygen, so that the air flow can be prevented from directly impacting the adjusting mechanism, and a valve of the oxygen generator is protected;
2. when the oxygenerator stops working, the sealing block and the anti-backflow pipe are in sealed splicing under the elastic force of the limiting spring, so that the oxygen backflow can be effectively prevented, and components inside the oxygenerator are damaged;
3. when needs are changed or are cleared up the system oxygen subassembly in the oxygenerator, earlier divide locating piece and constant head tank in the positioning mechanism, rotate adjust knob this moment, adjust knob drives the ball stopper through the pivot and rotates, thereby change the route of system oxygen, when needs are changed the system oxygen subassembly, will correspond the control valve of filter equipment and adsorption tower lower extreme and close, thereby change or clearance filter equipment and adsorption tower that can be convenient, owing to designed two sets of filter equipment and adsorption tower, so need not stop the work of oxygenerator at the in-process of change or clearance.
Drawings
FIG. 1 is a schematic diagram of an oxygen plant according to the present invention;
FIG. 2 is a schematic diagram of a cross-sectional view of the oxygen plant of the present invention;
FIG. 3 is a schematic structural view of a control valve body, a flow slowing mechanism and a backflow prevention mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a slow flow mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of the control valve body and damper mechanism of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 5
FIG. 7 is a schematic cross-sectional view of the control valve body, ball plug and anti-drainback mechanism configuration of the present invention;
FIG. 8 is a schematic view of the anti-backflow pipe of the present invention;
FIG. 9 is a schematic structural view of the backflow prevention mechanism of the present invention;
FIG. 10 is a three-dimensional view of the control valve body structure of the present invention;
FIG. 11 is a schematic view of the interior of the control valve body structure of the present invention;
fig. 12 is a schematic structural diagram of an adjusting mechanism of the present invention.
In the figure: 1. an oxygen generating box; 11. an air compressor; 12. a shunt tube; 13. a first control valve; 14. a second control valve; 15. an air inlet pipe; 2. a first filtering device; 21. a first adsorption tower body; 22. a second filtering device; 23. a second adsorption column main body; 3. a control valve body; 31. a spherical groove; 32. an air inlet; 33. an air outlet; 34. a sealing groove; 35. a gasket; 36. a limiting groove; 4. protecting the tube; 41. a slow flow pipe; 42. a buffer plate; 43. a slow flow baffle plate; 44. an external thread sleeve; 45. an annular seal plate; 46. an annular groove; 5. a backflow prevention pipe; 51. a chute; 52. fixing a bracket; 6. a sealing block; 61. a limiting block; 62. a limiting rod; 63. a limiting spring; 7. a spherical plug; 71. an L-shaped chute; 72. a leakage-proof ring; 73. a rotating shaft; 74. an annular fixed block; 75. positioning a groove; 76. adjusting a knob; 77. an arrow is indicated; 8. adjusting a rod; 81. a positioning spring; 82. and (5) positioning the blocks.
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 to 12, the present invention provides a technical solution: the utility model provides a medical oxygenerator based on valve design unhurried current subassembly, includes system oxygen case 1 and air compressor 11, air compressor 11 installs the inner chamber at system oxygen case 1 through the support frame, and air compressor 11's inlet end has intake pipe 15 through coupling joint, and air compressor 11's the end of giving vent to anger is connected with shunt tubes 12 through coupling joint, installs first control valve 13 and second control valve 14 about shunt tubes 12's the side, installs system oxygen subassembly on shunt tubes 12, and system oxygen subassembly is including: first filter equipment 2, first adsorption tower main part 21, second filter equipment 22 and second adsorption tower main part 23, there are first filter equipment 2 and second filter equipment 22 at both ends about shunt tubes 12 through bolted connection, there is first adsorption tower main part 21 first filter equipment 2's upper end through bolted connection, there is second adsorption tower main part 23 second filter equipment 22's upper end through bolted connection, air compressor 11 inhales the air and compresses through intake pipe 15, carry out the oxygenerator with the air and handle the back, thereby the air flows through filter equipment and adsorption tower and makes oxygen, first control valve 13 and second control valve 14 all are in the state of opening during normal operating.
The upper end welding of system oxygen case 1 has control valve body 3, and the upper end bilateral symmetry welding of control valve body 3 has the connection sign, connects the sign and has "1" and "2" sign for the mark, and the symmetry welding has the switch sign around the upper end of control valve body 3, and the switch sign has the sign of "closing" and "circulation" for the mark.
The inner chamber of protection tube 4 is provided with unhurried current pipe 41, the inner chamber welding of unhurried current pipe 41 has unhurried current baffle 42, the both ends symmetrical weld of unhurried current pipe 41 has unhurried current baffle 43, the side welding of one of them unhurried current baffle 43 has external screw thread cover 44, unhurried current plate 42 is the bending plate, unhurried current baffle 43 is the side of a circular slab and becomes the circumference array and has seted up the through-hole, the inner chamber of protection tube 4 is seted up there is the internal thread, external screw thread cover 44 and 4 threaded connection of protection tube, oxygen flows along protection tube 4, through the unhurried current pipe 41 that sets up, unhurried current plate 42 and unhurried current baffle 43 play the effect of unhurried current to oxygen, thereby can prevent the direct impact adjustment mechanism of air current, thereby protect the valve of oxygenerator.
The side of control valve body 3 is provided with anti-return mechanism, and anti-return mechanism is including: a backflow preventing pipe 5, a chute 51, a fixed bracket 52, sealed piece 6, stopper 61, gag lever post 62 and spacing spring 63, the side welding of control valve body 3 has backflow prevention pipe 5, spout 51 has been seted up to backflow prevention pipe 5's inner chamber bilateral symmetry, backflow prevention pipe 5's inner chamber welding has fixed bolster 52, the round hole has been seted up to the side of fixed bolster 52, backflow prevention pipe 5's inner chamber joint has sealed piece 6, the face of cylinder bilateral symmetry welding of sealed piece 6 has stopper 61, sealed piece 6's side welding has gag lever post 62, the cover is equipped with spacing spring 63 on the gag lever post 62, gag lever post 62 and fixed bolster 52 sliding connection, the round hole welding is passed to the one end of gag lever post 62 has fixed round piece, spacing spring 63's one end is pegged graft with fixed bolster 52, spacing spring 63's the other end is pegged graft with sealed piece 6, spacing spring 63 applys for elasticity to sealed piece 6, when sealed piece 6 removes. The sealing block 6 drives the limiting block 61 to slide along the sliding groove 51, so that the sealing block 6 can stably move.
The inboard of control valve body 3 is provided with adjustment mechanism, and adjustment mechanism is including: the ball-shaped plug 7, the L-shaped chute 71, the leakage-proof ring 72, the rotating shaft 73, the annular fixed block 74, the positioning groove 75, the adjusting knob 76 and the indicating arrow 77, the ball-shaped chute 31 is rotatably connected with the ball-shaped plug 7 through a pin shaft, the L-shaped chute 71 is arranged on the side surface of the ball-shaped plug 7, the ball-shaped plug 7 is sleeved with the leakage-proof ring 72, the ball-shaped plug 7 is slidably connected with the leakage-proof ring 72, the leakage-proof ring 72 is adhered with the ball-shaped chute 31, the rotating shaft 73 is welded at the upper end of the ball-shaped plug 7 and is rotatably connected with the control valve body 3, the annular fixed block 74 is welded on the rotating shaft 73 and is rotatably connected with the control valve body 3, the four positioning grooves 75 are arranged on the side surface of the annular fixed block 74 in a circumferential array, the upper end of the rotating shaft 73 penetrates through the control valve body 3 and is welded with the adjusting knob 76, the two indicating arrows 77 are welded at the upper end of the adjusting knob 76, and the two indicating arrows 77 form an included angle of ninety degrees, one end of the L-shaped flow groove 71 is communicated with the air inlet 32, the other end of the L-shaped flow groove 71 is communicated with the air outlet 33, and the spherical plug 7 is hermetically connected with the control valve body 3 through the arranged leakage-proof ring 72.
Limiting groove 36 is provided with positioning mechanism, and positioning mechanism is including: adjust pole 8, positioning spring 81 and locating piece 82, the side of control valve body 3 is pegged graft and is had regulation pole 8, and adjusts pole 8 and control valve body 3 sliding connection, the cover is equipped with positioning spring 81 on adjusting pole 8, the welding of the one end of adjusting pole 8 has locating piece 82, locating piece 82 and spacing groove 36 sliding connection, control valve body 3 and constant head tank 75 joint are passed to the one end of locating piece 82, positioning spring 81 applys as elasticity to locating piece 82.
When the oxygen generator normally works, the air compressor 11 sucks air in through the air inlet pipe 15 and compresses the air, after the air is processed by the oxygen generator, the air flows through the filtering device and the adsorption tower to produce oxygen, the first control valve 13 and the second control valve 14 are both in an open state when the normal work is performed, when the path of oxygen production needs to be adjusted, the adjusting knob 76 is rotated, the adjusting knob 76 drives the spherical plug 7 to rotate, the spherical plug 7 drives the L-shaped flow groove 71 to rotate, when one of two indicating arrows 77 of the adjusting knob 76 in the adjusting mechanism points to circulation and the other points to a sign of a numeral 1, the air is produced into oxygen through the first filtering device 2 and the first adsorption tower main body 21, when one of the two indicating arrows 77 of the adjusting knob 76 in the adjusting mechanism points to circulation and the other points to the sign of the numeral 2, the air is produced into oxygen through the second filtering device 22 and the second adsorption tower main body 23, when an indicator arrow 77 on the adjustment knob 76 of the adjustment mechanism is pointed to off, the oxygen generator stops supplying oxygen. In the working process of the oxygenerator, oxygen passes through the slow flow mechanism, flows along the protection tube 4, and plays a role of slow flow for the oxygen through the arranged slow flow tube 41, the slow flow plate 42 and the slow flow baffle 43, so that the air flow can be prevented from directly impacting the adjusting mechanism, and a valve of the oxygenerator is protected; when the oxygenerator normally supplies out oxygen, oxygen flows along control valve body 3's gas outlet 33, oxygen flows in through gas outlet 33 and prevents that back flow 5 holds between the fingers, oxygen promotes sealed piece 6 and prevents back flow 5 separation simultaneously, thereby make sealed piece 6 and prevent forming the intermittent type between the back flow 5, sealed piece 6 extrudes spacing spring 63, oxygen normally circulates along sealed piece 6 and prevent back flow 5 intermittent type simultaneously, thereby let in oxygen in the gas holder, when oxygenerator stop work, make sealed piece 6 and prevent back flow 5 sealed grafting under spacing spring 63 spring action, thereby can effectually prevent the oxygen backward flow, cause the inside components and parts of oxygenerator to damage.
When the first filtering device 2 and the first adsorption tower main body 21 of the oxygen generation assembly in the oxygen generator need to be replaced or cleaned, the positioning block 82 and the positioning groove 75 in the positioning mechanism are firstly divided, the adjusting knob 76 is rotated at the moment, two indicating arrows 77 of the adjusting knob 76 are enabled to be directed to circulate one and the other is directed to a number 2 label, so that the air is made into oxygen through the second filtering device 22 and the second adsorption tower main body 23, and meanwhile, the first control valve 13 at the lower end of the first filtering device 2 is closed, and at the moment, the first filtering device 2 and the first adsorption tower main body 21 can be conveniently replaced or cleaned; when the second filter device 22 and the second adsorption tower main body 23 of the oxygen generating assembly in the oxygen generator need to be replaced or cleaned, the adjusting knob 76 is rotated at the moment, two indicating arrows 77 of the adjusting knob 76 are enabled to be circulated in a pointing mode, and the other indicating arrow signs are digital 1 in a pointing mode, so that the air supports oxygen through the first filter device 2 and the first adsorption tower main body 21, meanwhile, the second control valve 14 at the lower end of the second filter device 22 is closed, the second filter device 22 and the second adsorption tower main body 23 can be replaced or cleaned conveniently, the filter device and the adsorption tower can be replaced or cleaned conveniently, and due to the fact that two sets of filter devices and the adsorption towers are designed, the work of the oxygen generating device does not need to be stopped in the replacing or cleaning process.
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 (10)
1. The utility model provides a medical oxygenerator based on valve design unhurried current subassembly, includes oxygen generation box (1) and air compressor (11), air compressor (11) are installed at the inner chamber of oxygen generation box (1) through the support frame, its characterized in that: the air inlet end of the air compressor (11) is connected with an air inlet pipe (15) through a pipe joint, the air outlet end of the air compressor (11) is connected with a shunt pipe (12) through a pipe joint, a first control valve (13) and a second control valve (14) are installed on the left side and the right side of the side face of the shunt pipe (12), an oxygen generation assembly is installed on the shunt pipe (12), a control valve body (3) is welded at the upper end of the oxygen generation box (1), a spherical groove (31) is formed in the inner side of the control valve body (3), air inlets (32) are symmetrically formed in the left side and the right side of the control valve body (3), an air outlet (33) is formed in the side face of the control valve body (3), sealing grooves (34) are symmetrically formed in the left side and the right side of the control valve body (3), a limiting groove (36) is formed in the upper end of the control valve body (3), and a flow slowing mechanism is symmetrically arranged in the left side and the right side of the control valve body (3), one end of a protection pipe (4) in the slow flow mechanism is provided with a sealing mechanism, the side face of the control valve body (3) is provided with an anti-backflow mechanism, the inner side of the control valve body (3) is provided with an adjusting mechanism, and a positioning mechanism is arranged in the limiting groove (36).
2. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the oxygen generation assembly comprises: the adsorption tower comprises a first filtering device (2), a first adsorption tower body (21), a second filtering device (22) and a second adsorption tower body (23), wherein the left end and the right end of a shunt pipe (12) are connected with the first filtering device (2) and the second filtering device (22) through bolts, the upper end of the first filtering device (2) is connected with the first adsorption tower body (21) through bolts, and the upper end of the second filtering device (22) is connected with the second adsorption tower body (23) through bolts.
3. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the upper end bilateral symmetry welding of control valve body (3) has the connection sign, the upper end longitudinal symmetry welding of control valve body (3) has the switch sign.
4. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the slow flow mechanism comprises: protection tube (4), unhurried current pipe (41), unhurried current board (42), unhurried current baffle (43) and external screw thread cover (44), the left and right sides symmetry of control valve body (3) is provided with protection tube (4), the inner chamber of protection tube (4) is provided with unhurried current pipe (41), the inner chamber welding of unhurried current pipe (41) has unhurried current board (42), the both ends symmetrical welding of unhurried current pipe (41) has unhurried current baffle (43), and the side welding of one of them unhurried current baffle (43) has external screw thread cover (44).
5. The medical oxygen generator based on the valve design slow flow component as claimed in claim 4, characterized in that: the one end of protection tube (4) passes through bolt and control valve body (3) fixed connection, and the other end of two protection tubes (4) all has the connecting pipe through bolted connection, the connecting pipe is the pipe of buckling, and one of them connecting pipe passes through bolt and first adsorption tower main part (21) fixed connection, and another connecting pipe passes through bolt and second adsorption tower main part (23) fixed connection.
6. The medical oxygen generator based on the valve design slow flow component as claimed in claim 4, characterized in that: the slow flow plate (42) is a bent plate, the slow flow baffle plates (43) are circular plates, through holes are formed in the side face of each circular plate in a circumferential array mode, internal threads are formed in the inner cavity of the protection tube (4), and the external thread sleeve (44) is in threaded connection with the protection tube (4).
7. The medical oxygen generator based on the valve design slow flow component as claimed in claim 4, characterized in that: the sealing mechanism comprises: sealing gasket (35), annular seal plate (45) and ring channel (46), sealed pad (35) are equipped with to the cover in seal groove (34), the side welding of protection tube (4) has annular seal plate (45), ring channel (46) have been seted up to the side of annular seal plate (45), annular seal plate (45) are pegged graft with seal groove (34), the tip and the sealed pad (35) contact of annular seal plate (45), sealed pad (35) and ring channel (46) joint.
8. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the backflow prevention mechanism comprises: a backflow prevention pipe (5), a sliding groove (51), a fixed bracket (52), a sealing block (6), a limiting block (61), a limiting rod (62) and a limiting spring (63), the side surface of the control valve body (3) is welded with a backflow prevention pipe (5), the inner cavity of the backflow prevention pipe (5) is bilaterally symmetrically provided with sliding grooves (51), the inner cavity of the backflow prevention pipe (5) is welded with a fixed bracket (52), the side surface of the fixed bracket (52) is provided with a round hole, the inner cavity of the backflow-preventing pipe (5) is clamped with a sealing block (6), the cylindrical surfaces of the sealing block (6) are welded with limiting blocks (61) in bilateral symmetry, a limiting rod (62) is welded on the side surface of the sealing block (6), a limiting spring (63) is sleeved on the limiting rod (62), the limiting rod (62) is connected with the fixed support (52) in a sliding mode, and one end of the limiting rod (62) penetrates through the circular hole and is welded with the fixed round block.
9. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the adjustment mechanism comprises: spherical stopper (7), L shape chute (71), leak protection circle (72), pivot (73), annular fixed block (74), constant head tank (75), adjust knob (76) and instruction arrow point (77), it is connected with spherical stopper (7) to rotate through the round pin axle in spherical groove (31), L shape chute (71) have been seted up to the side of spherical stopper (7), the cover is equipped with leak protection circle (72) on spherical stopper (7), and spherical stopper (7) and leak protection circle (72) sliding connection, leak protection circle (72) bond with spherical groove (31), the welding of the upper end of spherical stopper (7) has pivot (73), pivot (73) rotate with control valve body (3) and are connected, the welding has annular fixed block (74) in pivot (73), annular fixed block (74) rotate with control valve body (3) and are connected, four constant head tank (75) have been seted up to the side of annular fixed block (74) into the circumference array, the upper end of pivot (73) passes control valve body (3) and adjust knob (76) welding, the upper end welding of adjust knob (76) has two instruction arrow heads (77), and two instruction arrow heads (77) become the setting of ninety degree contained angle.
10. The medical oxygen generator based on the valve design slow flow component as claimed in claim 1, characterized in that: the positioning mechanism comprises: adjust pole (8), positioning spring (81) and locating piece (82), the side of control valve body (3) is pegged graft and is had regulation pole (8), and adjusts pole (8) and control valve body (3) sliding connection, the cover is equipped with positioning spring (81) on adjusting pole (8), the one end welding of adjusting pole (8) has locating piece (82), locating piece (82) and spacing groove (36) sliding connection, the one end of locating piece (82) is passed control valve body (3) and constant head tank (75) joint.
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| CN202210292749.2A CN114642945B (en) | 2022-03-24 | 2022-03-24 | Medical oxygen generator based on valve design slow flow assembly |
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| CN202210292749.2A CN114642945B (en) | 2022-03-24 | 2022-03-24 | Medical oxygen generator based on valve design slow flow assembly |
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| CN114642945B CN114642945B (en) | 2023-07-14 |
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|---|---|
| CN114642945B (en) | 2023-07-14 |
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Effective date of registration: 20230626 Address after: No.9, building 6, area D, Gaoke auto parts Park, Taishan West Road, Tianyuan District, Zhuzhou City, Hunan Province, 412007 Applicant after: Zhuzhou Feiqing Medical Instrument Co.,Ltd. Address before: 518106 Zone C, floor 10, building 16, zone B, Yuanshan Industrial Zone, Gongming street, Guangming New Area, Shenzhen, Guangdong Applicant before: SHENZHEN IMDK MEDICAL TECHNOLOGY CO.,LTD. |
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