Air purification device for oxygen generator

Abstract

The invention relates to the technical field of oxygen generators, in particular to an air purification device for an oxygen generator. An intake pipe; an air outlet pipe; the switching type purification unit is arranged between the air inlet pipe and the air outlet pipe and connected with the shell, one end of the switching type purification unit abuts against the air inlet pipe, and the other end of the switching type purification unit is connected with the air outlet pipe; the automatic disassembly and assembly unit is arranged on the outer side of the switching type purification unit, is connected with the shell and is controllably connected with the switching type purification unit; a recycling box; wherein the switching type purification unit comprises a switching supporting assembly, a two-way synchronous drive control assembly, an air guide transmission control assembly and an induction type locking assembly, the switching type purification unit is arranged and matched with the automatic dismounting and mounting unit, automatic replacement of a filter element can be completed, automatic dismounting and mounting of the filter element can be synchronously completed in the operation process of the oxygen generator, and the operation efficiency of the oxygen generator is improved. The workload of a user is reduced, the time required for replacing the filter element is shortened, and the filter element replacing efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of oxygen concentrators, in particular to an air purification device for an oxygen concentrator. Background Art

[0002] Oxygen generator is a type of machine that produces oxygen. Its principle is to use air separation technology. First, the air is compressed at a high density, and then the different condensation points of the components in the air are used to separate the gas and liquid at a certain temperature, and then further distilled to obtain oxygen.

[0003] The oxygen generator needs to purify the incoming air when it is running. Most of the existing technologies use activated carbon adsorption to treat the air. After the oxygen generator has been running for a long time, the adsorption capacity of the activated carbon decreases. At this time, the activated carbon filter element needs to be replaced to ensure good purification efficiency. However, the existing device lacks a structure that can replace the activated carbon filter element, which makes the equipment still inconvenient to use. Therefore, in view of the above situation, it is urgent to develop an air purification device for oxygen generator to overcome the shortcomings in current practical applications. Summary of the invention

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

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

[0006] 14. The air purifying device of claim 13, wherein the air inlet pipe is fixedly connected to a shell wall on one side of the shell, and a dust-proof sleeve is sleeved on one end of the outer side of the shell; an air outlet pipe is fixedly connected to the shell wall on the other side of the shell, and is connected to an air intake end of the oxygen concentrator; a switchable purification unit, the switchable purification unit is arranged between the air inlet pipe and the air outlet pipe, is connected to the shell, and one end abuts against the air inlet pipe, and the other end is connected to the air outlet pipe, so as to realize the diversion and purification of air; an automatic disassembly and assembly unit, the automatic disassembly and assembly unit is arranged on the outer side of the switchable purification unit, is connected to the shell, and is controllably connected to the switchable purification unit, so as to cooperate with the switchable purification unit to realize the automatic disassembly and assembly of a filter element on the switchable purification unit; a recovery box, the recovery box is plugged into the shell, and is used to cooperate with the automatic disassembly and assembly unit to realize the recovery and storage of the removed filter element ; Wherein, the switchable purification unit includes: 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, which 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 switchable 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 switchable support assembly. The air guide transmission control assembly is connected to the shell, and is arranged opposite to the automatic disassembly and assembly unit, which 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.

[0007] As a further solution of the present invention: 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, and 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.

[0008] As a further solution of the present invention: the inductive locking assembly includes: an inductive 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, the cylinder walls on both sides of the air guide cavity are rotatably connected with rotating rods, and locking splints are fixedly connected with the rotating rods, and 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 synchronous frames, and a rack meshing with the gear is also 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, and 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 inductive assembly, and the inductive assembly is connected to the support cylinder and 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, thereby completing the locking and unlocking of the filter element.

[0009] As a further solution of the present invention: the sensing component 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.

[0010] As a further solution of the present invention: 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 passes through the inner side of the support tube and is rotatably connected to the support tube. The inner side of the connecting column is provided with a control groove, and the inner side of the control groove is provided with a control ring for sliding connection. A telescopic part is fixedly connected between the control ring and the connecting column. The inner side of the connecting column is also symmetrically provided with a push groove and a pull groove. A ventilation pipe and an air supply pipe fixedly connected to the connecting column are respectively provided on both sides of the control ring. One end of the air pipe is connected to the control groove, and the other end is connected to the push groove. One end of the air supply 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 achieve the locking of the filter element by the locking splint. An adjusting piece is provided for sliding connection inside the pulling groove, and 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 achieve the recovery of the remaining locking splints.

[0011] As a further solution of the present invention: the air guide control component includes: a control slide, a retractable component and an air guide pipe. 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 pipe is rotatably connected to the control slide. The air guide pipe is slidably connected to the air outlet pipe and is connected to the control slide through a spring, so as to cooperate with the retraction and extension of the retractable component and connect with the switched air guide cavity to realize air diversion.

[0012] As a further solution of the present invention: the automatic disassembly and assembly unit includes: a transmission box, a pressure regulating part, a transmission and control tube, a mounting rod, a storage box, a cover plate, a retractable tube, an ejector rod, a transmission and 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 and control groove and the retractable groove are symmetrically arranged on the inside of the transmission box. The transmission and control groove and the retractable groove are both slidably connected to the inner sides thereof 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 and control tube connected to the retractable groove is fixedly connected to the transmission box. A transmission and control tube is fixedly connected to the outer wall at the other end of the transmission and control tube. There is a sealing ring, which 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 of the storage box on the other side abuts 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 pressure guiding cavity.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] When the device is running and the filter element in operation on the conversion support assembly needs to be replaced, the air guide transmission 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 transmission control assembly is connected to the conversion support assembly, the oxygen generator is running to realize the flow of air, and the newly installed filter element is used to purify the absorbed air, while the original filter element is transferred to the removal position, and the work station of the removed filter element is transferred to the installation position. The two-way synchronous drive control assembly can synchronously drive the inductive locking assemblies located at the working position, the removal position and the installation position, wherein the inductive locking assembly located at the working position clamps and locks the installed filter element, while the inductive locking assemblies at the removal position and the installation position are retracted to ensure that the filter element is in the process of disassembly and assembly. In order to improve the smoothness of movement in the equipment, after the air guide control component is connected to the conversion support component, it can continue to drive the automatic disassembly and assembly unit. On the one hand, the automatic disassembly and assembly unit can push out the filter element located on the inner side of the disassembly position, and the pushed out filter element falls into the inner side of the recovery box. On the other hand, it can push the new filter element into the inner side of the installation position to complete the installation of the filter element. By switching between various positions, the filter element can be automatically replaced, thereby ensuring the continuity of equipment operation. The present application sets a switching purification unit, cooperates with the automatic disassembly and assembly unit, can complete the automatic replacement of the filter element, and can simultaneously complete the automatic disassembly and assembly of the filter element during the operation of the oxygen generator, which reduces the user's workload, shortens the time required for filter element replacement, improves the filter element replacement efficiency, and greatly improves the convenience and smoothness of the equipment when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of an air purification device for an oxygen concentrator.

[0016] Figure 2 This is a cross-sectional view of an air purification device for an oxygen concentrator.

[0017] Figure 3 The figure is a schematic diagram of the structure of the conversion support assembly in the air purification device for the oxygen concentrator.

[0018] Figure 4 The present invention is a cross-sectional view of a conversion support assembly in an air purification device for an oxygen concentrator.

[0019] Figure 5 This is a schematic diagram of the structure of an inductive locking component in an air purification device for an oxygen concentrator.

[0020] Figure 6 for Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 7 This is a schematic diagram of the structure of the control frame in the air purification device for oxygen concentrator.

[0022] Figure 8The schematic diagram is a structural diagram of a bidirectional synchronous drive control component in an air purification device for an oxygen concentrator.

[0023] Fig. 9 This is a schematic diagram of the structure of the air guide and control components in the air purification device for an oxygen concentrator.

[0024] Fig.10 This is a schematic diagram of the structure of the automatic disassembly and assembly unit in the air purification device for the oxygen concentrator.

[0025] Fig.11 The cross-sectional view is of the automatic disassembly and assembly unit in the air purification device for the oxygen concentrator.

[0026] Fig.12 This is a schematic diagram of the structure of the ejector rod in the air purification device for an oxygen concentrator.

[0027] In the figure: 1-shell, 2-recovery box, 3-dust sleeve, 4-air outlet pipe, 5-air inlet pipe, 6-switchable purification unit, 7-automatic disassembly and assembly unit, 8-conversion support assembly, 9-bidirectional synchronous drive control assembly, 10-air transmission control assembly, 11-inductive locking assembly, 12-servo motor, 13-support cylinder, 14-drive rod, 15-air guide cavity, 16-limiting ring, 17-filter element, 18-sensor plate, 19-positioning plate, 20-pressure guide box, 21-transmission frame, 22-rack, 23-rotating rod, 24-gear, 25-locking splint, 26-piston groove, 27-live Plug ring, 28-control tube, 29-pressure control tube, 30-pressure control part, 31-positioning column, 32-synchronizing frame, 33-connecting column, 34-control groove, 35-push groove, 36-pull groove, 37-auxiliary push plate, 38-main push plate, 39-control ring, 40-telescopic part, 41-control slide plate, 42-retractable part, 43-air guide tube, 44-transmission box, 45-pressure regulating part, 46-control tube, 47-installation rod, 48-storage box, 49-cover plate, 50-retractable tube, 51-ejector rod, 52-control groove, 53-retractable groove, 54-sealing ring, 55-induction ring. DETAILED DESCRIPTION

[0028] The technical solution of the present application is further described in detail below in conjunction with specific implementation methods.

[0029] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0030] See also Figure 1 and Figure 2In one embodiment of the present invention, an air purification device for an oxygen concentrator includes: a housing 1; an air inlet pipe 5, the air inlet pipe 5 is fixedly connected to the housing wall on one side of the housing 1, and a dust sleeve 3 is sleeved on one end of the outer side of the housing 1; an air outlet pipe 4, the air outlet pipe 4 is fixedly connected to the housing wall on the other side of the housing 1, and is connected to the air inlet end of the oxygen concentrator; a switchable purification unit 6, the switchable purification unit 6 is arranged between the air inlet pipe 5 and the air outlet pipe 4, is connected to the housing 1, and one end abuts against the air inlet pipe 5, and the other end is connected to the air outlet pipe 4, for realizing air diversion and purification; an automatic disassembly unit 7, the automatic disassembly unit 7 is arranged on the outer side of the switchable purification unit 6, is connected to the housing 1, and is controllably connected to the switchable purification unit 6, for cooperating with the switchable purification unit 6 to realize automatic disassembly and assembly of the filter element 17 on the switchable purification unit 6; a recovery box 2, the recovery box 2 is plugged into the housing 1, and is used to cooperate with the automatic disassembly unit 7 to realize the recovery of the removed filter element 17 and storage; wherein, the switchable purification unit 6 comprises: a conversion support assembly 8, a two-way synchronous drive control assembly 9, an air guide transmission control assembly 10 and an inductive locking assembly 11, wherein the conversion support assembly 8 is arranged between the air inlet pipe 5 and the air outlet pipe 4, abuts against the air inlet pipe 5, and is connected to the air outlet pipe 4 through the air guide transmission control assembly 10, and is used to cooperate with the air inlet pipe 5 to complete the air diversion, and synchronously complete the support of multiple filter elements 17 to achieve air purification, and a plurality of inductive locking assemblies 11 are arranged on the inner side of the switchable support assembly 8, and the inductive locking assembly 11 is connected to the two-way synchronous drive control assembly 9 fixedly connected to the inner side of the shell 1, and is used to cooperate with the two-way synchronous drive control assembly 9 to synchronously complete the locking and unlocking of each filter element 17 located on the inner side of the switching support assembly 8, the air guide transmission control assembly 10 is connected to the shell 1, and is arranged relative 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 recovery box 2 is plugged into the side wall of the bottom end of the shell 1. When the device is running, when the filter element running on the conversion support assembly 8 needs to be replaced, the air guide control assembly 10 is separated from the conversion support assembly 8, and the conversion support assembly 8 is rotated to switch the positions of each filter element. After rotation, the air guide control assembly 10 is connected to the conversion support assembly 8, the oxygen generator is running, the air flow is realized, and the newly installed filter element 17 is used to purify the absorbed air, and the original filter element 17 is turned to the removal position, and the work station of the removed filter element 17 is turned to the installation position. The two-way synchronous drive control assembly 9 can synchronously drive the inductive locking assembly 11 located at the working position, the removal position and the installation position, wherein the inductive locking assembly 11 located at the working position clamps and locks the installed filter element 17, and the inductive locking assembly 11 at the removal position and the installation position is retracted. To ensure the smooth movement of the filter element 17 during the disassembly and assembly process, after the air guide control assembly 10 is connected to the conversion support assembly 8, it can continue to drive the automatic disassembly and assembly unit 7. On the one hand, the automatic disassembly and assembly unit 7 can push out the filter element 17 located on the inner side of the disassembly position, and the pushed out filter element 17 falls into the inner side of the recovery box 2. On the other hand, it can push the new filter element 17 into the inner side of the installation position to complete the installation of the filter element 17. By switching between the various positions, the automatic replacement of the filter element 17 is achieved, thereby ensuring the continuity of the operation of the equipment. The present application sets a switchable purification unit 6, which cooperates with the automatic disassembly and assembly unit 7 to complete the automatic replacement of the filter element 17, and can simultaneously complete the automatic disassembly and assembly of the filter element 17 during the operation of the oxygen generator, thereby reducing the user's workload, shortening the time required for replacing the filter element 17, improving the efficiency of replacing the filter element 17, and greatly improving 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 tube 13, a driving rod 14, an air guide cavity 15 and a limiting ring 16. The support tube 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 shell 1 is arranged on the outside of the support tube 13. The output end of the servo motor 12 is fixedly connected to the driving rod 14, and the other end of the driving rod 14 is fixedly connected to the support tube 13. A plurality of air guide cavities 15 are arranged on the support tube 13, and the air guide cavities 15 are equidistantly distributed in an annular shape, and a limiting ring 16 fixedly connected to the support tube 13 is arranged on the inside, which is used to cooperate with the support tube 13 to realize the support and positioning of the filter element 17, and cooperate with the rotation of the driving rod 14 to realize the switching of the position of the air guide cavity 15.

[0033] In this embodiment, the number of the air guide chambers 15 is three, wherein the air guide chamber 15 at the top is a working position, and the air guide chambers 15 at both sides of the bottom are removal positions and installation positions. The servo motor 12 drives the driving rod 14 to rotate, and the driving rod 14 drives the supporting cylinder 13 to rotate, so as to realize the switching of the positions of the air guide chambers 15. By utilizing the switching of the positions of the air guide chambers 15, the positions of the new and old filter elements 17 can be replaced, and the automatic disassembly and assembly unit 7 can be used to complete the disassembly and assembly of the old filter element 17 during the operation of the new filter element 17, and a The limiting ring 16 on the inner side of the air guide cavity 15 can position the filter element 17 after installation, and a sealing ring is fixedly connected to the limiting ring 16 and the filter element 17 on the side plate wall. By setting the conversion support assembly 8, the filter element 17 can be supported and the position of the filter element 17 can be replaced. The old filter element 17 can also be automatically disassembled and assembled during the gas transmission process, which reduces the user's workload, shortens the time required for replacing the filter element 17, improves the efficiency of replacing the filter element 17, and greatly improves the operating 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 inductive assembly, a transmission frame 21, a rack 22, a rotating rod 23, a gear 24, a locking clamp 25, a piston groove 26, a piston ring 27, a positioning column 31, a synchronous frame 32 and a control tube 28. The rotating rod 23 is rotatably connected to the cylinder wall on both sides of the air guide cavity 15, and the locking clamp 25 is fixedly connected to the rotating rod 23. The gears 24 fixedly connected to the rotating rod 23 are arranged on both sides of the locking clamp 25. The transmission frames 21 are arranged on the outer sides of the rotating rods 23 on both sides. The transmission frames 21 on both sides are connected through the synchronous frame 32. The outer side of the transmission frame 21 is also fixedly connected to the gear 24. The rack 22 is meshed and connected, and a positioning column 31 fixedly connected to the support tube 13 is slidably connected to the inner side of the transmission frame 21 near one end of the driving rod 14. A piston groove 26 is also provided on the inner side of the transmission frame 21, and a control tube 28 is provided on the inner side of the piston groove 26. A piston ring 27 slidably connected to the piston groove 26 is fixedly connected on the outer wall of one end of the control tube 28, and the other end is connected to the sensing component, the sensing component is connected to the support tube 13, and is connected to the two-way synchronous drive control component 9, which is used to cooperate with the two-way synchronous drive control component 9 to drive the transmission frame 21 to move to realize the rotation of the locking clamp 25, thereby completing the locking and unlocking of the filter element 17.

[0035] In this embodiment, a locking clamp 25 is symmetrically arranged on the inner side of each of the piston grooves 26, and the locking clamp 25 is connected to the support cylinder 13 through the rotating rod 23. In addition, a synchronous frame 32 is fixedly connected between the transmission frames 21 on both sides, and the bidirectional synchronous drive control component 9 can simultaneously drive the sensing components corresponding to each gas guide cavity 15. The sensing component injects gas into the inner side of the piston groove 26 through the control tube 28, cooperates with the piston ring 27, drives the transmission frame 21 to move along the positioning column 31, and the synchronous frame 32 realizes the synchronous movement of the transmission frames 21 on both sides. The transmission frame 21 drives the rack 22 to move, and the rack 22 cooperates with the gear 24 to drive the rotating rod 23 to rotate, and the rotating rod 23 drives the locking clamp 25 Rotation, wherein the locking clamp 25 on the inner side of the air guide cavity 15 at the working position clamps and fixes the filter element 17, and the locking clamp 25 on the inner side of the air guide cavity 15 at the removal position and the installation position is received into the inner side of the support tube 13, to avoid obstruction to the insertion and ejection of the filter element 17, and to ensure smooth disassembly and assembly. By setting the inductive locking component 11, it can cooperate with the two-way synchronous drive control component 9 to lock the filter element 17 at the working position on the one hand, and recycle the locking clamp 25 on the inner side of the removal position and the installation position on the other hand, thereby completing the automatic disassembly and assembly of the filter element 17, which not only ensures the effectiveness of purification, but also reduces the labor intensity of the user and improves the efficiency of replacing the filter element 17.

[0036] In one embodiment of the present invention, the sensing component includes: a sensing plate 18, a positioning plate 19, a pressure-conducting box 20, a pressure-controlling tube 29 and a pressure-controlling part 30. The sensing plate 18 is slidably connected to the wall of the support tube 13, and is slidably connected to the positioning plate 19 fixedly connected to the inner side of the support tube 13. A pressure-conducting box 20 fixedly connected to the support tube 13 is provided on the outer side of the sensing plate 18. The pressure-conducting box 20 is connected to the control tube 28. A pressure-controlling tube 29 fixedly connected to the pressure-conducting box 20 is provided between the pressure-conducting box 20 and the sensing plate 18. A pressure-controlling part 30 fixedly connected to the sensing plate 18 is slidably connected to the inner side of the pressure-controlling tube 29, which is used to cooperate with the movement of the sensing plate 18 to realize the flow of air inside the pressure-conducting box 20.

[0037] In this embodiment, the pressure control component 30 includes a first push rod fixedly connected to the outside of the sensing plate 18 and a first piston fixedly connected to the first push rod. The first piston is slidably connected to the pressure control tube 29. The bidirectional synchronous drive control component 9 can drive the sensing plate 18 to move along the positioning plate 19. The sensing plate 18 drives the first piston to move inside the pressure control tube 29 to realize the flow of air inside the pressure guide box 20. The air inside the pressure guide box 20 enters the inner side of the piston groove 26 along the control tube 28 to realize the rotation of the rotating rod 23, thereby completing the driving of the locking splint 25.

[0038] In one embodiment of the present invention, please refer to Figure 8The bidirectional synchronous drive control component 9 includes: a connecting column 33, a control groove 34, a push groove 35, a pull groove 36, an auxiliary push plate 37, a main push 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 is connected to the inner side of the support tube 13 and is rotatably connected to the support tube 13. The inner side of the connecting column 33 is provided with a control groove 34, and the inner side of the control groove 34 is provided with a control ring 39 in a sliding connection. A telescopic member 40 is fixedly connected between the control ring 39 and the connecting column 33. The inner side of the connecting column 33 is also symmetrically provided with a push groove 35 and a pull groove 36. A ventilation pipe and an air supply pipe fixedly connected to the connecting column 33 are respectively provided on both sides of the control ring 39. One end of the ventilation pipe is connected to the control groove 34, and the other end is connected to the pushing groove 35. One end of the air supply pipe is connected to the control groove 34, and the other end is connected to the pulling groove 36. The pushing groove 35 is slidably connected inside with a connecting piece. The other end of the connecting frame is fixedly connected to the main push plate 38, which is used to cooperate with the air flowing inside the pushing groove 35 to drive the induction plate 18 to move, so as to achieve the locking of the filter element 17 by the locking splint 25. The pulling groove 36 is slidably connected inside with an adjusting piece. The other end of the adjusting piece is fixedly connected to the auxiliary push plate 37, which is used to cooperate with the movement of the control ring 39 to drive the auxiliary push plate 37 to move in the opposite direction of the main push plate 38, so as to achieve the recovery of the remaining locking splint 25.

[0039] In this embodiment, the connecting member includes a second piston slidably connected to the inner side 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 inner side 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 ventilation pipe is arranged between the second piston and the control ring 39, and the air supply pipe is arranged on the outer side of the end of the third piston away from the control ring 39. In addition, the telescopic member 40 is an electric telescopic rod, and the main push plate 38 and the auxiliary push plate 37 are centrally symmetrically arranged on the inner side of the support cylinder 13. Initially, the induction plate 18 is located at the center, and the telescopic member 40 drives the control ring 39 to move. On the one hand, the control ring 39 transports air along the ventilation pipe into the inner side of the pushing groove 35, and the second piston moves inside the pushing groove 35 to cooperate with the third push rod. The second push rod drives the main push plate 38 to move, and the main push plate 38 drives the induction plate 18 to move, so as to inject air into the pressure-conducting box 20, and then realize the locking of the filter element 17 by the locking clamp 25. On the other hand, the control ring 39 draws the air located inside the pulling groove 36 through the air supply pipe, and the third piston cooperates with the third push rod to drive the auxiliary push plate 37 to move. The auxiliary push plate 37 is located on the outside of the removal position and the installation position. The induction plate 18 pushes, and then the air inside the corresponding pressure-conducting box 20 is extracted, so as to realize the recovery of the locking clamp 25 inside the corresponding pressure-conducting cavity 15. By setting a two-way synchronous drive control component 9, each induction locking component 11 can be driven accordingly at the same time, which can realize both the locking and 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 Fig. 9 The air guide transmission control component 10 includes: a control slide 41, a retractable component 42 and an air guide tube 43. The control slide 41 is arranged between the air outlet pipe 4 and the support tube 13, and is connected to the shell 1 through the retractable component 42. The control slide 41 is rotatably connected with the air guide tube 43. The air guide tube 43 is slidably connected to the air outlet pipe 4 and is connected to the control slide 41 through a spring, and is used to cooperate with the retraction and extension of the retractable component 42 to connect with the switched air guide cavity 15 to realize the air diversion.

[0041] In this embodiment, a sealing ring is fixedly connected to the tube wall of the air duct 43 on one side close to the support tube 13, and a spring is fixedly connected between the air duct 43 and the control slide 41. In addition, the retractable component 42 is an electric telescopic rod, and the retractable component 42 drives the control slide 41 to move, and the control slide 41 drives the air duct 43 to move. The air duct 43 is connected to the air duct cavity 15 located at the working position, and the outside air enters the shell 1 along the air inlet pipe 5, and after being purified by the filter element 17 arranged on the inner side of the working position, it is discharged along the air duct 43 and the air outlet pipe 4, and enters the inner side of the oxygen generator. As the control slide 41 continues to move, the automatic disassembly and assembly unit 7 can be driven, and then the filter element 17 at the removal position and the installation position can be disassembled and assembled.

[0042] In one embodiment of the present invention, please refer to Fig.10 , Fig.11 and Fig.12 The automatic disassembly and assembly unit 7 includes: a transmission box 44, a pressure regulating member 45, a transmission control tube 46, a mounting rod 47, a storage box 48, a cover plate 49, a retractable tube 50, an ejection rod 51, a transmission control groove 52, a retractable groove 53, a sealing ring 54 and an induction ring 55. The transmission box 44 is arranged on the outside of the control slide 41 and is fixedly connected to the housing 1. The transmission control groove 52 and the retractable groove 53 are symmetrically arranged on the inside of the transmission box 44. The transmission control groove 52 and the retractable groove 53 are both slidably connected to the inside of the transmission control groove 52 and the retractable groove 53. The pressure regulating member 45 is fixedly connected to the transmission box 44 with a spring. The transmission box 44 is fixedly connected with a transmission control tube 46 connected to the retractable groove 53. The transmission control tube 46 is fixedly connected with the outer wall at the other end. A sealing ring 54 is provided, and the sealing ring 54 is slidably connected to the induction groove arranged on the inner side of the mounting rod 47. The mounting rod 47 is slidably connected to the wall of the storage box 48 fixedly connected to the inner side of the shell 1. The other side wall of the storage box 48 abuts against the support tube 13. A cover plate 49 is clamped on the top wall of the storage box 48 for cooperating with the movement of the mounting rod 47 to realize the installation of the filter element 17. The transmission box 44 is also fixedly connected with a retractable tube 50 connected to the transmission and control groove 52, and an induction ring 55 is fixedly connected to the outer wall of the other end of the retractable tube 50. The induction ring 55 is slidably connected to the connecting groove arranged on the inner side of the ejection rod 50, and is used to cooperate with the air output from the inner side of the transmission and control groove 52 to realize the ejection of the filter element 17 located inside the pressure-conducting 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 receiving and releasing groove 53 and a fourth push rod fixedly connected to the fourth piston, the other end of the fourth push rod is arranged opposite to the control slide plate 41, in addition, the mounting rod 47 is arranged opposite to the air guide cavity 15 located at the mounting position, the ejection rod 51 is arranged opposite to the air guide cavity 15 located at the removal position, and the opening on the contact panel wall of the storage box 48 and the support cylinder 13 is flush with the cavity wall at the bottom end of the air guide cavity 15 located at the mounting position, and the control slide plate 41, under the drive of the receiving and releasing member 42, cooperates with the fourth push rod to drive the fourth piston to move inside the transmission control groove 52 and the receiving and releasing groove 53, and the fourth push rod is arranged opposite to the control slide plate 41. The air inside the control groove 52 enters the inner side of the connecting groove along the retractable tube 50, cooperates with the induction ring 55 to drive the ejection rod 51 to move, and the ejection rod 51 ejects the filter element 17 inside the air guide cavity 15 at the removal position, and the air inside the retractable groove 53 enters the inner side of the induction groove along the transmission control tube 46, cooperates with the sealing ring 54 to realize the movement of the installation rod 47, and the installation rod 47 pushes the filter element inside the storage box 48 into the air guide cavity 15 at the installation position, and the disassembly and assembly of the filter element 17 are completed synchronously. By setting 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 transmission control component 10, thereby reducing the labor intensity of the user and improving the replacement efficiency of the filter element 17;

[0044] In addition, the functions of the piston ring 27, the control ring 39, the sealing ring 54 and the induction ring 54 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 one end of the air outlet pipe 4 away from the air guide pipe 43 , and the valve is a solenoid valve. When the support tube 13 rotates, the solenoid valve is closed.

[0046] The air purification device for the oxygen concentrator can automatically replace the filter element 17 by providing a switchable purification unit 6 and cooperate with the automatic disassembly unit 7, and can synchronously complete the automatic disassembly and assembly of the filter element 17 during the operation of the oxygen concentrator, thereby 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 improving the convenience and fluency of the device when in use; by providing a conversion support component 8, the filter element 17 can be supported, the position of the filter element 17 can be replaced, and the old filter element 17 can be automatically disassembled and assembled during the gas transmission process, thereby 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 improving the operating efficiency of the device; by providing an inductive locking component 11, it can cooperate with the two-way synchronous drive The control component 9 locks the filter element 17 at the working position while recovering the locking clamp 25 located on the inner side of the removal position and the installation position, thereby completing the automatic disassembly and assembly of the filter element 17, which not only ensures the effectiveness of purification, but also reduces the labor intensity of the user and improves the efficiency of replacing the filter element 17. By setting a two-way synchronous drive control component 9, each inductive locking component 11 can be driven accordingly at the same time, which can not only lock the filter element 17 but also unlock 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. By setting an automatic disassembly and assembly unit 7, it can cooperate with the air guide control component 10 to complete the automatic disassembly and assembly of the filter element 17, reduce the labor intensity of the user, and improve the replacement efficiency of the filter element 17.

[0047] The above are only preferred embodiments of the present invention. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the protection scope of the present invention. These will not affect the effect of the implementation of the present invention and the practicality 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; Among them, the switchable purification unit includes: a conversion support component, a two-way synchronous drive control component, an air guide control component and an inductive locking component. The conversion support component 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 control component, 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 components are arranged on the inner side of the switchable support component, and the inductive locking component is connected to the two-way synchronous drive control component fixedly connected to the inner side of the shell, and is used to cooperate with the two-way synchronous drive control component to synchronously complete the locking and unlocking of each filter element located on the inner side of the switching support assembly. The air guide control component 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.

2. The air purification device for oxygen concentrator according to claim 1, characterized in that: 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.

3. The air purification device for oxygen concentrator according to claim 2, 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.

4. The air purification device for oxygen concentrator according to claim 3, 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.

5. The air purification device for oxygen concentrator according to claim 4, 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.

6. The air purification device for oxygen concentrator according to claim 5, 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.

7. The air purification device for oxygen concentrator according to claim 6, 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 pressure guiding cavity.

Images