An air purification device for an oxygen generator

Abstract

The present invention relates to the technical field of oxygen generators, and specifically to an air purification device for an oxygen generator, comprising: a housing; an air inlet pipe; an air outlet pipe; a switching purification unit, which is arranged between the air inlet pipe and the air outlet pipe, is connected to the housing, has one end abutted against the air inlet pipe, and the other end connected to the air outlet pipe; an automatic disassembly and assembly unit, which is arranged outside the switching purification unit, is connected to the housing, and is controllably connected to the switching purification unit; a recycling box; wherein, the switching purification unit includes: a conversion support assembly, a bidirectional synchronous driving and control assembly, a gas guiding and transmission control assembly, and an inductive locking assembly. By setting the switching purification unit and cooperating with the automatic disassembly and assembly unit, automatic replacement of the filter element can be completed, and automatic disassembly and assembly of the filter element can be synchronously completed during the operation of the oxygen generator, reducing the workload of the user, shortening the time required for filter element replacement, and improving the filter element replacement efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of oxygen generators, and specifically to an air purification device for an oxygen generator. Background Art

[0002] An oxygen generator is a type of machine for producing oxygen. Its principle is to use air separation technology. First, air is compressed at high density and then, due to the different condensation points of the components in the air, it is subjected to gas-liquid separation at a certain temperature and further rectified to obtain oxygen.

[0003] When an oxygen generator is in operation, it is necessary to purify the incoming air. Most of the existing technologies use the activated carbon adsorption method to treat the air. After the oxygen generator operates for a long time, the adsorption capacity of the activated carbon decreases. At this time, it is necessary to replace the activated carbon filter element to ensure good purification efficiency. However, the existing devices lack a structure for replacing the activated carbon filter element, resulting in inconvenience in using the equipment. Therefore, in view of the above current situation, there is an urgent need to develop an air purification device for an oxygen generator to overcome the deficiencies in current practical applications. Summary of the Invention

[0004] The purpose of the present invention is to provide an air purification device for an oxygen generator to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] An air purification device for an oxygen generator, comprising: a housing; an intake pipe fixedly connected to one side wall of the housing, and a dust-proof sleeve is sleeved on one end outside the housing; an outlet pipe fixedly connected to the other side wall of the housing and connected to the suction end of the oxygen generator; a switching purification unit arranged between the intake pipe and the outlet pipe, connected to the housing, with one end abutting against the intake pipe and the other end connected to the outlet pipe, for guiding and purifying the air; an automatic disassembly and assembly unit arranged outside the switching purification unit, connected to the housing and controllably connected to the switching purification unit, for cooperating with the switching purification unit to realize the automatic disassembly and assembly of the filter element on the switching purification unit; a recycling box inserted into the housing for cooperating with the automatic disassembly and assembly unit to recycle and store the removed filter element; wherein, the switching purification unit includes: a conversion support assembly, a two-way synchronous driving and control assembly, a gas guiding and transmission control assembly, and an inductive locking assembly. The conversion support assembly is arranged between the intake pipe and the outlet pipe, abuts against the intake pipe, and is connected to the outlet pipe through the gas guiding and transmission control assembly, for guiding the air in cooperation with the intake pipe and synchronously supporting a plurality of filter elements to purify the air. A plurality of inductive locking assemblies are arranged inside the conversion support assembly, and the inductive locking assemblies are connected to the two-way synchronous driving and control assembly fixedly arranged inside the housing, for synchronously locking and unlocking each filter element located inside the conversion support assembly in cooperation with the two-way synchronous driving and control assembly. The gas guiding and transmission control assembly is connected to the housing and is arranged opposite to the automatic disassembly and assembly unit, for driving the automatic disassembly and assembly unit to realize the automatic disassembly and assembly of the filter element on the conversion support assembly after unlocking.

[0007] As a further solution of the present invention: the conversion support assembly includes: a servo motor, a support cylinder, a driving rod, a gas guiding cavity, and a limiting ring. The support cylinder is arranged between the intake pipe and the outlet pipe and abuts against the intake pipe. A servo motor fixedly connected to the housing is arranged outside the support cylinder. The output end of the servo motor is fixedly connected to the driving rod, and the other end of the driving rod is fixedly connected to the support cylinder. A plurality of gas guiding cavities are arranged on the support cylinder, and the gas guiding cavities are annularly and equidistantly distributed, and a limiting ring fixedly connected to the support cylinder is arranged inside, for supporting and positioning the filter element in cooperation with the support cylinder and realizing the switching of the positions of the gas guiding cavities in cooperation with the rotation of the driving rod.

[0008] As a further solution of the present invention: The inductive locking assembly includes: an induction assembly, a transmission frame, a rack, a rotating rod, a gear, a locking clamping plate, a piston groove, a piston ring, a positioning column, a synchronous frame and a control pipe. Rotating rods are rotatably connected to the two side cylinder walls of the air guide cavity. A locking clamping plate is fixedly connected to the rotating rod. Gears fixedly connected to the rotating rod are arranged on both sides of the locking clamping plate. Transmission frames are arranged on the outer sides of the two rotating rods. The two transmission frames are connected by a synchronous frame. A rack meshing with the gear is further fixedly connected to the outer side of the transmission frame. A positioning column fixedly connected to the support cylinder is slidably connected to the inner side of the transmission frame near one end of the driving rod. A piston groove is further arranged on the inner side of the transmission frame. A control pipe is arranged inside the piston groove. A piston ring slidably connected to the piston groove is fixedly connected to the outer wall of one end of the control pipe. The other end is connected to the induction assembly. The induction assembly is connected to the support cylinder and is also connected to the bidirectional synchronous driving and controlling assembly, and is used to cooperate with the bidirectional synchronous driving and controlling assembly to drive the transmission frame to move to realize the rotation of the locking clamping plate, and complete the locking and unlocking of the filter element.

[0009] As a further solution of the present invention: The induction assembly includes: an induction plate, a positioning plate, a pressure guiding box, a pressure control pipe and a pressure control part. The induction plate is slidably connected to the cylinder wall of the support cylinder and is also slidably connected to the positioning plate fixedly connected to the inner side of the support cylinder. A pressure guiding box fixedly connected to the support cylinder is arranged on the outer side of the induction plate. The pressure guiding box is connected to the control pipe. A pressure control pipe fixedly connected to the pressure guiding box is arranged between the pressure guiding box and the induction plate. A pressure control part fixedly connected to the induction plate is slidably connected to the inner side of the pressure control pipe, and is used to cooperate with the movement of the induction plate to realize the flow of air inside the pressure guiding box.

[0010] As a further solution of the present invention: The bidirectional synchronous driving and controlling assembly includes: a connecting column, a control groove, a pushing groove, a pulling groove, an auxiliary pushing plate, a main pushing plate, a control ring and a telescopic part. The connecting column is fixedly connected to the housing, and the other end leads to the inner side of the support cylinder and is rotatably connected to the support cylinder. A control groove is arranged inside the connecting column. A control ring is slidably connected to the inside of the control groove. A telescopic part is fixedly connected between the control ring and the connecting column. The pushing groove and the pulling groove are symmetrically arranged inside the connecting column. An air vent pipe and an air delivery pipe fixedly connected to the connecting column are respectively arranged on both sides of the control ring. One end of the air vent pipe is connected to the control groove, and the other end is connected to the pushing groove. One end of the air delivery pipe is connected to the control groove, and the other end is connected to the pulling groove. A connecting part is slidably connected to the inside of the pushing groove. The other end of the connecting frame is fixedly connected to the main pushing plate, and is used to cooperate with the air flowing inside the pushing groove to drive the induction plate to move, and realize the locking of the filter element by the locking clamping plate. An adjusting part is slidably connected to the inside of the pulling groove. The other end of the adjusting part is fixedly connected to the auxiliary pushing plate, and is used to cooperate with the movement of the control ring to drive the auxiliary pushing plate to move in the opposite direction to the main pushing plate, and realize the recovery of the remaining locking clamping plates.

[0011] As a further solution of the present invention: The air guiding and control assembly includes: a control slide plate, a retracting and releasing member, and an air guiding pipe. The control slide plate is arranged between the air outlet pipe and the support cylinder, and is connected to the housing through the retracting and releasing member. An air guiding pipe is rotatably connected to the control slide plate, and the air guiding pipe is slidably connected to the air outlet pipe and is connected to the control slide plate through a spring, and is used to cooperate with the retracting and releasing of the retracting and releasing member to connect to the air guiding cavity after switching, so as to realize the diversion of air.

[0012] As a further solution of the present invention: The automatic disassembly and assembly unit includes: a transmission box, a pressure regulating member, a control pipe, an installation rod, a storage box, a cover plate, a retracting and releasing pipe, a top-out rod, a control groove, a retracting and releasing groove, a sealing ring, and an induction ring. The transmission box is arranged outside the control slide plate and is fixedly connected to the housing. Control grooves and retracting and releasing grooves are symmetrically arranged inside the transmission box. Pressure regulating members opposite to the control slide plate are slidably connected inside the control grooves and the retracting and releasing grooves. Springs are fixedly connected between the pressure regulating members and the transmission box. A control pipe connected to the retracting and releasing groove is fixedly connected to the transmission box. A sealing ring is fixedly connected to the outer wall of the other end of the control pipe. The sealing ring is slidably connected to the induction groove arranged inside the installation rod. The installation rod is slidably connected to the box wall of the storage box fixedly connected to the inner side of the housing. The other box wall of the storage box abuts against the support cylinder. A cover plate is snap-connected to the top box wall of the storage box, and is used to cooperate with the movement of the installation rod to realize the installation of the filter element. A retracting and releasing pipe connected to the control groove is also fixedly connected to the transmission box. An induction ring is fixedly connected to the outer wall of the other end of the retracting and releasing pipe. The induction ring is slidably connected to the connection groove arranged inside the top-out rod, and is used to cooperate with the air output inside the control groove to eject the filter element located inside the air guiding cavity.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] When the device is running and the filter element in operation on the conversion support assembly needs to be replaced, the air guide and control assembly is separated from the conversion support assembly, and the conversion support assembly rotates to switch the positions of the filter elements. After rotation, the air guide and control assembly is connected to the conversion support assembly, and the oxygen generator operates to achieve the flow of air. The newly installed filter element is used to purify the absorbed air, while the original filter element is rotated to the removal position, and the working position of the removed filter element is rotated to the installation position. The bidirectional synchronous drive and control assembly can synchronously drive the inductive locking assemblies located at the working position, removal position, and installation position. Among them, the inductive locking assembly at the working position clamps and locks the installed filter element, while the inductive locking assemblies at the removal position and installation position are retracted to ensure the smooth movement of the filter element during disassembly and installation. After the air guide and control assembly is connected to the conversion support assembly, it can continue to drive the automatic disassembly and installation unit. On the one hand, the automatic disassembly and installation unit can push out the filter element located inside the removal position, and the pushed-out filter element falls into the inner side of the recycling box. On the other hand, it can push a new filter element into the inner side of the installation position to complete the installation of the filter element. Through the switching of each position, the automatic replacement of the filter element is realized, thereby ensuring the continuity of the equipment operation. In this application, by setting the switching type purification unit and cooperating with the automatic disassembly and installation unit, the automatic replacement of the filter element can be completed, and the automatic disassembly and installation of the filter element can be synchronously completed during the operation of the oxygen generator, reducing the workload of the user, shortening the time required for filter element replacement, improving the filter element replacement efficiency, and greatly enhancing the convenience and smoothness of the equipment during use. Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of the air purification device for an oxygen generator.

[0016] Figure 2 It is a sectional view of the air purification device for an oxygen generator.

[0017] Figure 3 It is a schematic structural diagram of the conversion support assembly in the air purification device for an oxygen generator.

[0018] Figure 4 It is a sectional view of the conversion support assembly in the air purification device for an oxygen generator.

[0019] Figure 5 It is a schematic structural diagram of the inductive locking assembly in the air purification device for an oxygen generator.

[0020] Figure 6 For Figure 5 The enlarged structural diagram at A in

[0021] Figure 7 It is a schematic structural diagram of the transmission and control frame in the air purification device for an oxygen generator.

[0022] Figure 8Schematic diagram of the structure of the bidirectional synchronous driving and controlling component in the air purification device for an oxygen generator.

[0023] Figure 9 Schematic diagram of the structure of the air guiding and transmission controlling component in the air purification device for an oxygen generator.

[0024] Figure 10 Schematic diagram of the structure of the automatic disassembly and assembly unit in the air purification device for an oxygen generator.

[0025] Figure 11 Cross-sectional view of the automatic disassembly and assembly unit in the air purification device for an oxygen generator.

[0026] Figure 12 Schematic diagram of the structure of the ejector rod in the air purification device for an oxygen generator.

[0027] In the figure: 1 - housing, 2 - recycling box, 3 - dust-proof sleeve, 4 - air outlet pipe, 5 - air inlet pipe, 6 - switching purification unit, 7 - automatic disassembly and assembly unit, 8 - conversion support assembly, 9 - bidirectional synchronous driving and controlling component, 10 - air guiding and transmission controlling component, 11 - inductive locking component, 12 - servo motor, 13 - support cylinder, 14 - driving rod, 15 - air guiding cavity, 16 - limiting ring, 17 - filter element, 18 - induction plate, 19 - positioning plate, 20 - pressure guiding box, 21 - transmission frame, 22 - rack, 23 - rotating rod, 24 - gear, 25 - locking clamp plate, 26 - piston groove, 27 - piston ring, 28 - control pipe, 29 - pressure control pipe, 30 - pressure control part, 31 - positioning column, 32 - synchronous frame, 33 - connecting column, 34 - control groove, 35 - pushing groove, 36 - pulling groove, 37 - auxiliary pushing plate, 38 - main pushing plate, 39 - control ring, 40 - telescopic part, 41 - control sliding plate, 42 - retracting and releasing part, 43 - air guiding pipe, 44 - transmission box, 45 - pressure regulating part, 46 - transmission control pipe, 47 - installation rod, 48 - storage box, 49 - cover plate, 50 - retracting and releasing pipe, 51 - ejector rod, 52 - transmission control groove, 53 - retracting and releasing groove, 54 - sealing ring, 55 - induction ring. Detailed implementation manners

[0028] The technical solutions of the present application will be further described in detail below in conjunction with the specific implementation manners.

[0029] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation to the present application.

[0030] Please refer to Figure 1 and Figure 2, in an embodiment of the present invention, an air purification device for an oxygen generator includes: a housing 1; an intake pipe 5, the intake pipe 5 is fixedly connected to one side wall of the housing 1, and a dust-proof sleeve 3 is sleeved on one end outside the housing 1; an outlet pipe 4, the outlet pipe 4 is fixedly connected to the other side wall of the housing 1 and is connected to the suction end of the oxygen generator; a switching purification unit 6, the switching purification unit 6 is arranged between the intake pipe 5 and the outlet pipe 4, is connected to the housing 1, and one end abuts against the intake pipe 5 and the other end is connected to the outlet pipe 4, and is used to realize the diversion and purification of air; an automatic disassembly and assembly unit 7, the automatic disassembly and assembly unit 7 is arranged outside the switching purification unit 6, is connected to the housing 1, and is controllably connected to the switching purification unit 6, and is used to cooperate with the switching purification unit 6 to realize the automatic disassembly and assembly of the filter element 17 on the switching purification unit 6; a recycling box 2, the recycling box 2 is inserted into the housing 1 and is used to cooperate with the automatic disassembly and assembly unit 7 to realize the recycling and storage of the removed filter element 17; wherein, the switching purification unit 6 includes: a conversion support assembly 8, a two-way synchronous driving and control assembly 9, a gas guiding and transmission control assembly 10 and an inductive locking assembly 11, the conversion support assembly 8 is arranged between the intake pipe 5 and the outlet pipe 4, abuts against the intake pipe 5, and is connected to the outlet pipe 4 through the gas guiding and transmission control assembly 10, and is used to cooperate with the intake pipe 5 to complete the diversion of air and synchronously complete the support of a plurality of filter elements 17 to realize the purification of air, several inductive locking assemblies 11 are arranged inside the conversion support assembly 8, the inductive locking assemblies 11 are connected to the two-way synchronous driving and control assembly 9 fixedly arranged inside the housing 1, and are used to cooperate with the two-way synchronous driving and control assembly 9 to synchronously complete the locking and unlocking of each filter element 17 located inside the conversion support assembly 8, the gas guiding and transmission control assembly 10 is connected to the housing 1 and is arranged opposite to the automatic disassembly and assembly unit 7, and is used to drive the automatic disassembly and assembly unit 7 to realize the automatic disassembly and assembly of the filter element 17 on the conversion support assembly 8 after unlocking.

[0031] In this embodiment, the recycling bin 2 is inserted into the side wall at the bottom of the housing 1. When the device is running and the filter element 17 in operation on the conversion support assembly 8 needs to be replaced, the air guide and transmission control assembly 10 is separated from the conversion support assembly 8, and the conversion support assembly 8 rotates to switch the positions of the filter elements 17. After rotation, the air guide and transmission control assembly 10 is connected to the conversion support assembly 8, and the oxygen generator runs to realize the flow of air, and the newly installed filter element 17 is used to purify the absorbed air, while the original filter element 17 is rotated to the removal position, and the working position of the removed filter element 17 is transferred to the installation position. The bidirectional synchronous drive and control assembly 9 can synchronously drive the inductive locking assemblies 11 at the working position, removal position and installation position. Among them, the inductive locking assembly 11 at the working position clamps and locks the installed filter element 17, while the inductive locking assemblies 11 at the removal position and installation position are retracted to ensure the smooth movement of the filter element 17 during disassembly and installation. After the air guide and transmission control assembly 10 is connected to the conversion support assembly 8, it can continue to drive the automatic disassembly and installation unit 7. On the one hand, the automatic disassembly and installation unit 7 can eject the filter element 17 inside the removal position, and the ejected filter element 17 falls into the inside of the recycling bin 2. On the other hand, it can push the new filter element 17 into the inside of the installation position to complete the installation of the filter element 17. Through the switching of each position, the automatic replacement of the filter element 17 is realized, thereby ensuring the continuity of the equipment operation. In this application, by setting the switching type purification unit 6 and cooperating with the automatic disassembly and installation unit 7, the automatic replacement of the filter element 17 can be completed, and the automatic disassembly and installation of the filter element 17 can be synchronously completed during the operation of the oxygen generator, reducing the workload of the user, shortening the time required for replacing the filter element 17, improving the replacement efficiency of the filter element 17, and greatly enhancing the convenience and smoothness of the equipment during use.

[0032] In one embodiment of the present invention, please refer to Figure 3 and Figure 4 , the conversion support assembly 8 includes: a servo motor 12, a support cylinder 13, a drive rod 14, an air guide cavity 15 and a limit ring 16. The support cylinder 13 is arranged between the air inlet pipe 5 and the air outlet pipe 4 and abuts against the air inlet pipe 5. A servo motor 12 fixedly connected to the housing 1 is arranged on the outer side of the support cylinder 13. The output end of the servo motor 12 is fixedly connected to the drive rod 14, and the other end of the drive rod 14 is fixedly connected to the support cylinder 13. A plurality of air guide cavities 15 are arranged on the support cylinder 13. The air guide cavities 15 are annularly and equidistantly distributed, and a limit ring 16 fixedly connected to the support cylinder 13 is arranged inside, which is used to cooperate with the support cylinder 13 to realize the support and positioning of the filter element 17, and cooperate with the rotation of the drive rod 14 to realize the switching of the positions of the air guide cavities 15.

[0033] In this embodiment, the number of the air guide cavities 15 is three. Among them, the top air guide cavity 15 is in the working position, and the air guide cavities 15 on both sides at the bottom are in the removal position and the installation position. The servo motor 12 drives the drive rod 14 to rotate, and the drive rod 14 drives the support cylinder 13 to rotate, so as to realize the switching of the positions of the air guide cavities 15. By using the conversion of the positions of the air guide cavities 15, the positions of the new and old filter elements 17 are replaced. And during the operation of the new filter element 17, the automatic disassembly and assembly unit 7 is coordinated to complete the disassembly and assembly of the old filter element 17. The limiting ring 16 arranged inside the air guide cavity 15 can position the filter element 17 after installation, and a sealing ring is fixedly connected to the side wall of the connecting plate between the limiting ring 16 and the filter element 17. By setting the conversion support assembly 8, the support for the filter element 17 can be completed, the position of the filter element 17 can be replaced, and the automatic disassembly and assembly of the old filter element 17 can be completed during the air delivery process, reducing the workload of the user, shortening the time required for replacing the filter element 17, improving the replacement efficiency of the filter element 17, and greatly enhancing the operation efficiency of the equipment.

[0034] In one embodiment of the present invention, please refer to Figure 5 , Figure 6 and Figure 7 , the inductive locking assembly 11 includes: an induction assembly, a transmission frame 21, a rack 22, a rotating rod 23, a gear 24, a locking clamp plate 25, a piston groove 26, a piston ring 27, a positioning column 31, a synchronous frame 32 and a control pipe 28. The rotating rods 23 are rotatably connected to the side walls of both sides of the air guide cavity 15. The locking clamp plates 25 are fixedly connected to the rotating rods 23. Gears 24 fixedly connected to the rotating rods 23 are arranged on both sides of the locking clamp plates 25. Transmission frames 21 are arranged on the outer sides of the two rotating rods 23. The two transmission frames 21 are connected by a synchronous frame 32. A rack 22 meshed with the gear 24 is fixedly connected to the outer side of the transmission frame 21. A positioning column 31 fixedly connected to the support cylinder 13 is slidably connected to the inner side of the transmission frame 21 near one end of the drive rod 14. A piston groove 26 is further arranged on the inner side of the transmission frame 21. A control pipe 28 is arranged inside the piston groove 26. A piston ring 27 slidably connected to the piston groove 26 is fixedly connected to the outer wall of one end of the control pipe 28. The other end is connected to the induction assembly. The induction assembly is connected to the support cylinder 13 and is also connected to the bidirectional synchronous drive and control assembly 9, and is used to cooperate with the bidirectional synchronous drive and control assembly 9 to drive the transmission frame 21 to move to realize the rotation of the locking clamp plate 25, so as to complete the locking and unlocking of the filter element 17.

[0035] In this embodiment, locking clamping plates 25 are symmetrically arranged inside each piston groove 26. The locking clamping plates 25 are connected to the support cylinder 13 through rotating rods 23. In addition, a synchronous frame 32 is fixedly connected between the two transmission frames 21. The bidirectional synchronous driving and controlling assembly 9 can simultaneously drive the induction assemblies corresponding to each air guide cavity 15. The induction assembly injects air into the inside of the piston groove 26 through the control pipe 28. Cooperating with the piston ring 27, it drives the transmission frame 21 to move along the positioning column 31. The synchronous frame 32 realizes the synchronous movement of the two transmission frames 21. The transmission frame 21 drives the rack 22 to move. The rack 22 cooperates with the gear 24 to drive the rotating rod 23 to rotate. The rotating rod 23 drives the locking clamping plate 25 to rotate. Among them, the locking clamping plate 25 inside the air guide cavity 15 in the working position clamps and fixes the filter element 17. The locking clamping plates 25 inside the air guide cavity 15 in the removal position and the installation position are retracted inside the support cylinder 13 to avoid blocking the insertion and pushing out of the filter element 17 and ensure the smoothness of disassembly and assembly. By setting the induction locking assembly 11, it can cooperate with the bidirectional synchronous driving and controlling assembly 9 to lock the filter element 17 in the working position while recycling the locking clamping plates 25 inside the removal position and the installation position, thereby completing the automatic disassembly and assembly of the filter element 17, not only ensuring the effectiveness of purification, but also reducing the labor intensity of users and improving the replacement efficiency of the filter element 17.

[0036] In one embodiment of the present invention, the induction assembly includes: an induction plate 18, a positioning plate 19, a pressure guiding box 20, a pressure control pipe 29, and a pressure control member 30. The induction plate 18 is slidably connected to the inner wall of the support cylinder 13 and is also slidably connected to the positioning plate 19 fixedly connected inside the support cylinder 13. An outer side of the induction plate 18 is provided with a pressure guiding box 20 fixedly connected to the support cylinder 13. The pressure guiding box 20 is connected to the control pipe 28. A pressure control pipe 29 fixedly connected to the pressure guiding box 20 is arranged between the pressure guiding box 20 and the induction plate 18. A pressure control member 30 fixedly connected to the induction plate 18 is slidably connected inside the pressure control pipe 29 and is used to realize the flow of air inside the pressure guiding box 20 in cooperation with the movement of the induction plate 18.

[0037] In this embodiment, the pressure control member 30 includes a first push rod fixedly connected to the outer side of the induction plate 18 and a first piston fixedly connected to the first push rod. The first piston is slidably connected to the pressure control pipe 29. The bidirectional synchronous driving and controlling assembly 9 can drive the induction plate 18 to move along the positioning plate 19. The induction plate 18 drives the first piston to move inside the pressure control pipe 29 to realize the flow of air inside the pressure guiding box 20. The air inside the pressure guiding box 20 enters the inside of the piston groove 26 along the control pipe 28 to realize the rotation of the rotating rod 23, and further complete the driving of the locking clamping plate 25.

[0038] In one embodiment of the present invention, please refer to Figure 8, the bidirectional synchronous driving and controlling component 9 includes: a connecting column 33, a control groove 34, a pushing groove 35, a pulling groove 36, an auxiliary pushing plate 37, a main pushing plate 38, a control ring 39 and a telescopic member 40. The connecting column 33 is fixedly connected to the housing 1, and the other end extends to the inside of the support cylinder 13 and is rotatably connected to the support cylinder 13. A control groove 34 is provided inside the connecting column 33, and a control ring 39 is slidably connected inside the control groove 34. A telescopic member 40 is fixedly connected between the control ring 39 and the connecting column 33. The pushing groove 35 and the pulling groove 36 are symmetrically provided inside the connecting column 33. Vent pipes and air pipes fixedly connected to the connecting column 33 are respectively provided on both sides of the control ring 39. One end of the vent pipe is connected to the control groove 34, and the other end is connected to the pushing groove 35. One end of the air pipe is connected to the control groove 34, and the other end is connected to the pulling groove 36. A connecting member is slidably connected inside the pushing groove 35, and the other end of the connecting frame is fixedly connected to the main pushing plate 38, which is used to drive the sensing plate 18 to move in cooperation with the air flowing inside the pushing groove 35, so as to realize the locking of the filter element 17 by the locking clamp 25. An adjusting member is slidably connected inside the pulling groove 36, and the other end of the adjusting member is fixedly connected to the auxiliary pushing plate 37, which is used to drive the auxiliary pushing plate 37 to move in the opposite direction to the main pushing plate 38 in cooperation with the movement of the control ring 39, so as to realize the recycling of the remaining locking clamps 25.

[0039] In this embodiment, the connecting member includes a second piston slidably connected to the inside of the pushing groove 35 and a second push rod fixedly connected to the second piston. The other end of the second push rod is fixedly connected to the main push plate 38. The adjusting member includes a third piston slidably connected to the inside of the pulling groove 36 and a third push rod fixedly connected to the third piston. The other end of the third push rod is fixedly connected to the auxiliary push plate 37. Wherein, the air vent pipe is arranged between the second piston and the control ring 39, and the air delivery pipe is arranged outside one end of the third piston away from the control ring 39. Additionally, the telescopic member 40 is an electric telescopic rod. The main push plate 38 and the auxiliary push plate 37 are symmetrically arranged inside the support cylinder 13. Initially, the induction plate 18 is located at the center. The telescopic member 40 drives the control ring 39 to move. On the one hand, the control ring 39 conveys air into the inside of the pushing groove 35 along the air vent pipe. The second piston moves inside the pushing groove 35, and cooperates with the second push rod to drive the main push plate 38 to move. The main push plate 38 drives the induction plate 18 to move, so as to inject air into the pressure guiding box 20, and further realize the locking of the filter element 17 by the locking clamp 25. On the other hand, the control ring 39 extracts the air located inside the pulling groove 36 through the air delivery pipe. The third piston cooperates with the third push rod to drive the auxiliary push plate 37 to move. The auxiliary push plate 37 pushes the induction plate 18 located outside the removal position and the installation position, so as to extract the air inside the corresponding pressure guiding box 20, and realize the recovery of the locking clamp 25 inside the corresponding air guiding cavity 15. By arranging the bidirectional synchronous driving and control assembly 9, the corresponding driving of each induction locking assembly 11 can be realized simultaneously, which can not only realize the locking of the filter element 17, but also realize the unlocking of the filter element 17, so that the equipment can complete the disassembly and assembly of the filter element 17 during operation, improve the replacement efficiency of the filter element 17, and ensure the continuity of the equipment operation.

[0040] In one embodiment of the present invention, please refer to Figure 9 , the air guiding and transmission control assembly 10 includes: a control slide plate 41, a retracting and releasing member 42, and an air guiding pipe 43. The control slide plate 41 is arranged between the air outlet pipe 4 and the support cylinder 13 and is connected to the housing 1 through the retracting and releasing member 42. An air guiding pipe 43 is rotatably connected to the control slide plate 41. The air guiding pipe 43 is slidably connected to the air outlet pipe 4 and is connected to the control slide plate 41 through a spring, and is used to connect with the switched air guiding cavity 15 in cooperation with the retracting and releasing of the retracting and releasing member 42 to realize the diversion of air.

[0041] In this embodiment, a sealing ring is fixedly connected to the pipe wall of the air guide pipe 43 close to the support cylinder 13. A spring is fixedly connected between the air guide pipe 43 and the control slide plate 41. Additionally, the retracting and extending member 42 is an electric telescopic rod. The retracting and extending member 42 drives the control slide plate 41 to move, and the control slide plate 41 drives the air guide pipe 43 to move. The air guide pipe 43 is connected to the air guide cavity 15 at the working position. External air enters the housing 1 along the air inlet pipe 5, is purified by the filter element 17 inside the working position, and then is discharged along the air guide pipe 43 and the air outlet pipe 4 and enters the inside of the oxygen generator. As the control slide plate 41 continues to move, the automatic disassembly and assembly unit 7 can be driven, thereby disassembling and assembling the filter element 17 at the disassembly position and the installation position.

[0042] In one embodiment of the present invention, please refer to Figure 10 , Figure 11 and Figure 12 , the automatic disassembly and assembly unit 7 includes: a transmission box 44, a pressure regulating member 45, a transmission and control pipe 46, an installation rod 47, a storage box 48, a cover plate 49, a retracting and extending pipe 50, a jacking rod 51, a transmission and control groove 52, a retracting and extending groove 53, a sealing ring 54, and an induction ring 55. The transmission box 44 is arranged outside the control slide plate 41 and is fixedly connected to the housing 1. Transmission and control grooves 52 and retracting and extending grooves 53 are symmetrically arranged inside the transmission box 44. Pressure regulating members 45 opposite to the control slide plate 41 are slidably connected inside the transmission and control grooves 52 and the retracting and extending grooves 53. Springs are fixedly connected between the pressure regulating members 45 and the transmission box 44. A transmission and control pipe 46 connected to the retracting and extending groove 53 is fixedly connected to the transmission box 44. A sealing ring 54 is fixedly connected to the outer wall of the other end of the transmission and control pipe 46. The sealing ring 54 is slidably connected to the induction groove arranged inside the installation rod 47. The installation rod 47 is slidably connected to the box wall of the storage box 48 fixedly connected to the inside of the housing 1. The other side box wall of the storage box 48 abuts against the support cylinder 13. A cover plate 49 is snap-connected to the top box wall of the storage box 48 for cooperating with the movement of the installation rod 47 to realize the installation of the filter element 17. A retracting and extending pipe 50 connected to the transmission and control groove 52 is also fixedly connected to the transmission box 44. An induction ring 55 is fixedly connected to the outer wall of the other end of the retracting and extending pipe 50. The induction ring 55 is slidably connected to the connection groove arranged inside the jacking rod 51 for cooperating with the air output inside the transmission and control groove 52 to eject the filter element 17 inside the air guide cavity 15.

[0043] In this embodiment, the pressure regulating member 45 includes a fourth piston slidably connected to the inner sides of the transmission control groove 52 and the retracting and extending groove 53, and a fourth push rod fixedly connected to the fourth piston. The other end of the fourth push rod is disposed opposite to the control slide plate 41. Additionally, the mounting rod 47 is disposed opposite to the air guide cavity 15 at the mounting position, the ejecting rod 51 is disposed opposite to the air guide cavity 15 at the removing position, and the opening on the contact panel wall of the storage box 48 and the support cylinder 13 is flush with the bottom cavity wall of the air guide cavity 15 at the mounting position. Driven by the retracting and extending member 42, the control slide plate 41 drives the fourth piston to move inside the transmission control groove 52 and the retracting and extending groove 53 in cooperation with the fourth push rod. The air inside the transmission control groove 52 enters the inside of the connecting groove along the retracting and extending pipe 50, and drives the ejecting rod 51 to move in cooperation with the induction ring 55. The ejecting rod 51 ejects the filter element 17 inside the air guide cavity 15 at the removing position. The air inside the retracting and extending groove 53 enters the induction groove along the transmission control pipe 46, and realizes the movement of the mounting rod 47 in cooperation with the sealing ring 54. The mounting rod 47 pushes the filter element 17 inside the storage box 48 into the air guide cavity 15 at the mounting position, synchronously completing the disassembly and assembly of the filter element 17. By providing the automatic disassembly and assembly unit 7, the automatic disassembly and assembly of the filter element 17 can be completed in cooperation with the air guide and transmission control assembly 10, reducing the labor intensity of the user and improving the replacement efficiency of the filter element 17;

[0044] Additionally, the functions of the piston ring 27, the control ring 39, the sealing ring 54, and the induction ring 55 are the same as those of the piston.

[0045] In one embodiment of the present invention, a valve is fixedly connected to the inner side of the end of the air outlet pipe 4 away from the air guide pipe 43. The valve is an electromagnetic valve, and when the support cylinder 13 rotates, the electromagnetic valve is closed.

[0046] The air purification device for the oxygen generator, by setting the switching purification unit 6 and cooperating with the automatic disassembly and assembly unit 7, can complete the automatic replacement of the filter element 17, and can synchronously complete the automatic disassembly and assembly of the filter element 17 during the operation of the oxygen generator, reducing the workload of the user, shortening the time required for replacing the filter element 17, improving the replacement efficiency of the filter element 17, and greatly enhancing the convenience and smoothness of the equipment during use. By setting the conversion support component 8, it can support the filter element 17, replace the position of the filter element 17, and can also complete the automatic disassembly and assembly of the old filter element 17 during the gas transmission process, reducing the workload of the user, shortening the time required for replacing the filter element 17, improving the replacement efficiency of the filter element 17, and greatly enhancing the operation efficiency of the equipment. By setting the inductive locking component 11, it can cooperate with the bidirectional synchronous driving and control component 9 to lock the filter element 17 at the working position while recycling the locking clamping plates 25 located inside the removal position and the installation position, thereby completing the automatic disassembly and assembly of the filter element 17, not only ensuring the effectiveness of purification, but also reducing the labor intensity of the user and improving the replacement efficiency of the filter element 17. By setting the bidirectional synchronous driving and control component 9, it can drive each inductive locking component 11 correspondingly at the same time, which can not only lock the filter element 17, but also unlock the filter element 17, enabling the equipment to complete the disassembly and assembly of the filter element 17 during operation, improving the replacement efficiency of the filter element 17, and ensuring the continuity of the equipment operation. By setting the automatic disassembly and assembly unit 7, it can cooperate with the air guiding and transmission control component 10 to complete the automatic disassembly and assembly of the filter element 17, reducing the labor intensity of the user and improving the replacement efficiency of the filter element 17.

[0047] The above are only the preferred embodiments of the present invention. It should be noted that for those skilled in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent.

Claims

1. An air purification device for an oxygen concentrator, characterized in that: include: case; An air inlet pipe, the air inlet pipe is fixedly connected to a shell wall on one side of the shell, and a dustproof sleeve is sleeved on one end outside the shell; An air outlet pipe, the air outlet pipe is fixedly connected to the shell wall on the other side of the shell, and is connected to the air inlet end of the oxygen concentrator; A switchable purification unit, which is arranged between the air inlet pipe and the air outlet pipe, connected to the housing, with one end abutting against the air inlet pipe and the other end connected to the air outlet pipe, for achieving air diversion and purification; An automatic disassembly unit, which is arranged outside the switchable purification unit, connected to the housing, and controllably connected to the switchable purification unit, and is used to cooperate with the switchable purification unit to realize automatic disassembly and assembly of the filter element on the switchable purification unit; A recovery box, which is plugged into the housing and is used to cooperate with the automatic disassembly unit to realize the recovery and storage of the removed filter element; Wherein, the switchable purification unit comprises: a conversion support assembly, a two-way synchronous drive control assembly, an air guide transmission control assembly and an inductive locking assembly. The conversion support assembly is arranged between the air inlet pipe and the air outlet pipe, abuts against the air inlet pipe, and is connected to the air outlet pipe through the air guide transmission control assembly, and is used to cooperate with the air inlet pipe to complete the air diversion, and synchronously complete the support of multiple filter elements to achieve air purification. A plurality of inductive locking assemblies are arranged on the inner side of the conversion support assembly, and the inductive locking assembly is connected to the two-way synchronous drive control assembly fixedly connected to the inner side of the shell, and is used to cooperate with the two-way synchronous drive control assembly to synchronously complete the locking and unlocking of each filter element located on the inner side of the conversion support assembly. The air guide transmission control assembly is connected to the shell, and is arranged opposite to the automatic disassembly and assembly unit, and is used to drive the automatic disassembly and assembly unit to realize the automatic disassembly and assembly of the filter element on the conversion support assembly after unlocking; The conversion support assembly includes: a servo motor, a support tube, a driving rod, an air guide cavity and a limiting ring. The support tube is arranged between the air inlet pipe and the air outlet pipe and abuts against the air inlet pipe. A servo motor fixedly connected to the shell is arranged on the outside of the support tube. The output end of the servo motor is fixedly connected to the driving rod, and the other end of the driving rod is fixedly connected to the support tube. A plurality of air guide cavities are arranged on the support tube, and the air guide cavities are equidistantly distributed in a ring shape. A limiting ring fixedly connected to the support tube is arranged on the inside, which is used to cooperate with the support tube to realize the support and positioning of the filter element, and cooperate with the rotation of the driving rod to realize the switching of the position of the air guide cavity.

2. The air purification device for oxygen concentrator according to claim 1, characterized in that: The induction locking assembly includes: an induction assembly, a transmission frame, a rack, a rotating rod, a gear, a locking splint, a piston groove, a piston ring, a positioning column, a synchronous frame and a control tube, wherein rotating rods are rotatably connected on the cylinder walls on both sides of the air guide cavity, and locking splints are fixedly connected on the rotating rods. Gears fixedly connected to the rotating rods are arranged on both sides of the locking splints, transmission frames are arranged on the outer sides of the rotating rods on both sides, and the transmission frames on both sides are connected through a synchronous frame, and a rack meshing with the gear is also fixedly connected on the outer side of the transmission frame. A positioning column fixedly connected to the support cylinder is slidably connected on the inner side of the transmission frame near one end of the driving rod, a piston groove is also arranged on the inner side of the transmission frame, and a control tube is arranged inside the piston groove, and a piston ring slidably connected to the piston groove is fixedly connected on the outer wall of one end of the control tube, and the other end is connected to the induction assembly, the induction assembly is connected to the support cylinder, and is connected to the two-way synchronous drive control assembly, which is used to cooperate with the two-way synchronous drive control assembly to drive the transmission frame to move to realize the rotation of the locking splint, so as to complete the locking and unlocking of the filter element.

3. The air purification device for oxygen concentrator according to claim 2, characterized in that: The sensing assembly includes: a sensing plate, a positioning plate, a pressure-conducting box, a pressure-controlling tube and a pressure-controlling part. The sensing plate is slidably connected to the wall of the support tube, and is slidably connected to the positioning plate fixedly connected to the inner side of the support tube. A pressure-conducting box fixedly connected to the support tube is arranged on the outer side of the sensing plate. The pressure-conducting box is connected to the control tube. A pressure-controlling tube fixedly connected to the pressure-conducting box is arranged between the pressure-conducting box and the sensing plate. A pressure-controlling part fixedly connected to the sensing plate is slidably connected to the inner side of the pressure-controlling tube, which is used to cooperate with the movement of the sensing plate to realize the flow of air inside the pressure-conducting box.

4. The air purification device for oxygen concentrator according to claim 3, characterized in that: The bidirectional synchronous drive control component includes: a connecting column, a control groove, a push groove, a pull groove, an auxiliary push plate, a main push plate, a control ring and a telescopic part. The connecting column is fixedly connected to the shell, and the other end leads to the inner side of the support tube and is rotatably connected to the support tube. A control groove is arranged on the inner side of the connecting column, and a control ring is slidably connected on the inner side of the control groove. A telescopic part is fixedly connected between the control ring and the connecting column. A push groove and a pull groove are also symmetrically arranged on the inner side of the connecting column. A ventilation pipe and an air delivery pipe fixedly connected to the connecting column are respectively arranged on both sides of the control ring. One end of the ventilation pipe is connected to the control One end of the connecting frame is connected to the control groove, and the other end is connected to the pushing groove. One end of the air delivery pipe is connected to the control groove, and the other end is connected to the pulling groove. A connecting piece is provided for sliding connection inside the pushing groove. The other end of the connecting frame is fixedly connected to the main push plate, and is used to cooperate with the air flowing inside the pushing groove to drive the induction plate to move, so as to realize the locking of the filter element by the locking splint. An adjusting piece is provided for sliding connection inside the pulling groove. The other end of the adjusting piece is fixedly connected to the auxiliary push plate, and is used to cooperate with the movement of the control ring to drive the auxiliary push plate to move in the opposite direction of the main push plate, so as to realize the recovery of the remaining locking splints.

5. The air purification device for oxygen concentrator according to claim 4, characterized in that: The air guide control component includes: a control slide, a retractable component and an air guide tube. The control slide is arranged between the air outlet pipe and the support tube, and is connected to the shell through the retractable component. The air guide tube is rotatably connected to the control slide. The air guide tube is slidably connected to the air outlet pipe and is connected to the control slide through a spring, and is used to cooperate with the retraction and extension of the retractable component and connect with the switched air guide cavity to realize air diversion.

6. The air purification device for oxygen concentrator according to claim 5, characterized in that: The automatic disassembly and assembly unit comprises: a transmission box, a pressure regulating part, a transmission control tube, a mounting rod, a storage box, a cover plate, a retractable tube, an ejector rod, a transmission control groove, a retractable groove, a sealing ring and an induction ring. The transmission box is arranged on the outside of the control slide and is fixedly connected to the shell. The transmission control groove and the retractable groove are symmetrically arranged on the inside of the transmission box. The transmission control groove and the retractable groove are both slidably connected to the inside of the transmission control groove and the retractable groove to be provided with a pressure regulating part arranged opposite to the control slide. A spring is fixedly connected between the pressure regulating part and the transmission box. A transmission control tube connected to the retractable groove is fixedly connected to the transmission box. A sealing ring is fixedly connected to the outer wall of the other end of the transmission control tube. The sealing ring is slidably connected to the induction groove arranged on the inner side of the mounting rod, the mounting rod is slidably connected to the wall of the storage box fixedly connected to the inner side of the shell, the wall on the other side of the storage box abuts against the support tube, and a cover plate is clamped on the top wall of the storage box to cooperate with the movement of the mounting rod to achieve the installation of the filter element; the transmission box is also fixedly connected with a retractable tube connected to the transmission and control groove, and an induction ring is fixedly connected to the outer wall of the other end of the retractable tube, the induction ring is slidably connected to the connecting groove arranged on the inner side of the ejection rod, and is used to cooperate with the air output from the inner side of the transmission and control groove to realize the ejection of the filter element located inside the air guide cavity.

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