A breathing training device

Abstract

The present invention discloses a breathing training device, comprising: a shell, an exhalation / inhalation duct conversion device, an air volume regulating mechanism and a control system, a breathing chamber is arranged in the shell, a suction nozzle is arranged on the top of the shell, and the outer wall of the shell has at least one air port, the exhalation / inhalation duct conversion device is arranged in the breathing chamber, the suction nozzle and the air port are both connected to the breathing chamber, the air volume regulating mechanism is movably arranged in the exhalation / inhalation duct conversion device to regulate the ventilation volume passing through the exhalation / inhalation duct conversion device, the outside of the air volume regulating mechanism protrudes from the shell, and the air volume regulating mechanism is connected to the control system signal. The breathing training device provided by the present application can realize electric control of the air volume regulating mechanism through the control device to electrically adjust the inhalation resistance and the exhalation resistance, freeing the user's hands and improving the convenience of use; the same breathing training device can realize the functions of exhalation and inhalation at the same time, improving the convenience of ventilation.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and more particularly to a breathing training device. Background Art

[0002] With the advancement of industrialization and the accelerated pace of social life and production, various types of air pollution have gradually intensified, and lung health problems are affecting people's lives. A breathing training device is a new type of physical therapy aid that trains respiratory muscles. It is used to improve ventilation patterns caused by shallow breathing, thereby promoting lung expansion and increasing lung capacity. Strengthening respiratory muscle training using breathing training devices is also widely used in clinical practice. Patients with lung diseases can use breathing training devices to improve lung ventilation, increase the efficiency of single breaths, and increase activity endurance.

[0003] Breathing training devices primarily train cardiopulmonary function by setting different resistances, allowing users to overcome the resistance of the trainer during breathing. Currently, there are three common resistance adjustment schemes in breathing training devices: spring resistance, magnetic resistance, and air resistance. Spring resistance applies force to the spring during exhalation and inhalation, thereby opening the airway for inhalation and exhalation. This scheme has a wide resistance adjustment range and can achieve stepless resistance adjustment when used with a sensor. However, due to the inherent properties of the spring, this affects the product's appearance and weight, and a single spring can only perform a single function. Magnetic resistance controls the size of the airway by adjusting the size of the magnetic attraction. This scheme has low requirements for appearance design and can be used for simultaneous breathing training. It supports stepless adjustment of resistance, but the technology is not yet mature. Air resistance adjusts the size of the ventilation pores during exhalation and inhalation, thereby forming airflow resistance. This scheme has low requirements for structure and appearance design, can be used for simultaneous breathing training, and has been widely used.

[0004] Most of the common breathing training devices currently available only have one of the exhalation channel or the inhalation channel. During the training process, the exhalation and inhalation processes cannot be completed simultaneously, which causes inconvenience to the user's breathing process and has relatively simple functions. Common breathing training devices mostly have manual resistance adjustment and require two-handed operation, which causes inconvenience to the user.

[0005] In summary, how to solve the problems of inconvenient ventilation process, single function and inconvenience in use of existing breathing training devices is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0006] In view of this, an object of the present invention is to provide a breathing training device, which can simultaneously realize the exhalation and inhalation functions, and the breathing training device can electrically adjust the breathing resistance.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] A breathing training device comprises: a shell, an exhalation / inhalation duct conversion device, an air volume adjustment mechanism and a control system, wherein a breathing chamber is provided in the shell, a suction nozzle is provided on the top of the shell, and the outer wall of the shell has at least one air port, the exhalation / inhalation duct conversion device is provided in the breathing chamber, the suction nozzle and the air port are both connected to the breathing chamber, the air volume adjustment mechanism is movably provided in the exhalation / inhalation duct conversion device to adjust the ventilation volume passing through the exhalation / inhalation duct conversion device, the exterior of the ventilation volume adjustment mechanism protrudes from the shell, and the ventilation volume adjustment mechanism is connected to the control system signal.

[0009] Preferably, the exhalation / inhalation duct conversion device includes a flange and an inhalation cylinder, a first inhalation port is provided at the center of the flange, and a first one-way valve is provided at the first inhalation port; a plurality of exhalation ports are provided on the disk surface of the flange outside the inhalation cylinder, and each of the exhalation ports is provided with a second one-way valve that opens in the opposite direction to the first one-way valve;

[0010] The top open end surface of the suction cylinder is connected to the bottom surface of the flange, the first suction port is arranged opposite to the top opening of the suction cylinder, the second suction port is arranged on the side wall of the suction cylinder, the ventilation volume adjustment mechanism is movably arranged on the outer periphery of the suction cylinder, an air intake duct is arranged inside the suction cylinder, an exhalation duct is arranged between the suction cylinder and the inner wall of the outer shell, the outer periphery of the flange is connected to the inner wall of the outer shell, and the opening of the second suction port gradually increases or decreases from bottom to top.

[0011] Preferably, the ventilation volume adjustment mechanism includes a gear shift button, an adjustment cylinder, a first power supply assembly, and a drive device, wherein the gear shift button is arranged on the outer periphery of the housing, the drive device is connected to the adjustment cylinder for driving, the drive device and the gear shift button are both connected to the control system signal, and the first power supply assembly is connected to the control system and the drive device respectively;

[0012] The regulating cylinder is sleeved on the outer circumference of the air suction cylinder. The regulating cylinder and the air suction cylinder are relatively movable in the vertical direction. The side wall of the regulating cylinder is provided with a third air suction port. The opening of the third air suction port is consistent with the maximum opening of the second air suction port.

[0013] Preferably, the driving device includes a driving motor and a screw rod coaxially connected to the driving motor, the outer wall of the adjusting cylinder is provided with a threaded hole matching the screw rod, the axis of the threaded hole is parallel to the axis of the adjusting cylinder, and the driving motor is arranged on the bottom surface of the outer shell.

[0014] Preferably, a limiting slide rail matching the peripheral structure of the threaded barrel is provided on the upper portion of the driving motor, and the threaded barrel can slide along the limiting slide rail, and the sliding direction of the threaded barrel is parallel to the axial direction of the threaded barrel.

[0015] Preferably, the control system includes a control circuit board and a first pressure sensor arranged on the control circuit board. A sensor interface is provided on the side wall of the suction cylinder. The first pressure sensor is connected to the sensor interface to detect the air pressure in the suction cylinder. The control circuit board controls the drive motor according to the air pressure detected by the first pressure sensor to adjust the position of the adjustment cylinder.

[0016] Preferably, the air port includes an air inlet and an air outlet respectively arranged on both sides of the shell, the air inlet and the air outlet are both connected to the breathing cavity, the exhalation / inhalation duct conversion device includes an air inlet plate, a third one-way valve, an air outlet plate and a fourth one-way valve, the air inlet plate is arranged on the inner side of the air inlet, the air outlet plate is arranged on the inner side of the air outlet, a plurality of air inlet holes are arranged on the air inlet plate, and a plurality of air outlet holes are arranged on the air outlet plate, the ventilation volume regulating mechanism includes a second power supply assembly, a first regulating mechanism and a second regulating mechanism, the first regulating mechanism is arranged on the inner side of the air inlet plate, the third one-way valve is arranged on the inner side of the first regulating mechanism, the second regulating mechanism is arranged on the inner side of the air outlet plate, and the fourth one-way valve is arranged on the outer side of the air outlet plate, and the second power supply assembly is respectively connected to the first regulating mechanism, the second regulating mechanism and the control system.

[0017] Preferably, the first adjustment mechanism includes a first adjustment plate, a first transmission assembly, and a first adjustment motor. The first adjustment plate is rotatably disposed on the inner side of the air intake plate, and the first adjustment motor is connected to the first adjustment plate via the first transmission assembly. A first adjustment hole is provided on a surface of the first adjustment plate. The radial width of the first adjustment hole gradually increases along the circumference of the first adjustment plate, and the radial width of the first adjustment hole is consistent with the maximum radial width of the air intake hole.

[0018] The second adjustment mechanism includes a second adjustment plate, a second transmission assembly and a second adjustment motor. The second adjustment plate is rotatably arranged on the inner side of the air intake plate, and the second adjustment motor is connected to the second adjustment plate through the second transmission assembly. A second adjustment hole is set on the plate surface of the second adjustment plate, and the radial width of the second adjustment hole gradually increases along the circumference of the second adjustment plate. The radial width of the second adjustment hole is consistent with the maximum radial width of the air intake hole.

[0019] Preferably, the first transmission assembly includes a first transmission rod, a first bevel gear, a second bevel gear and a second transmission rod, the first transmission rod is coaxially arranged with the first adjustment motor, the first bevel gear is arranged at the upper end of the first transmission rod, the second bevel gear is matched with the first bevel gear for transmission, the second bevel gear is arranged at one end of the second transmission rod, and the other end of the second transmission rod is connected to the inner side surface of the first adjustment plate;

[0020] The second transmission assembly includes a third transmission rod, a third bevel gear, a fourth bevel gear and a fourth transmission rod. The third transmission rod is coaxially arranged with the second adjustment motor. The third bevel gear is arranged at the upper end of the third transmission rod. The fourth bevel gear is matched with the third bevel gear for transmission. The fourth bevel gear is arranged at one end of the fourth transmission rod. The other end of the fourth transmission rod is connected to the inner side surface of the second adjustment plate.

[0021] Preferably, the control system includes a control host, a display screen, a circuit board and operation buttons. The control host is arranged in the shell, the display screen and the operation buttons are all arranged on the outer side of the shell, and the control host, the operation buttons and the display screen are all connected to the circuit board.

[0022] The breathing training device provided in the present application can realize electric control of the ventilation volume adjustment mechanism through the control device, so as to electrically adjust the inhalation resistance and the exhalation resistance, freeing the user's hands and improving the convenience of use; exhalation and inhalation are performed through the mouthpiece, and the exhalation / inhalation duct conversion device can switch between the exhalation and inhalation functions. The same breathing training device can realize the exhalation and inhalation functions at the same time, thereby improving the convenience of ventilation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0024] Figure 1 An exploded view of the first breathing training device provided by the present invention;

[0025] Figure 2 A cross-sectional view of a first breathing training device provided by the present invention;

[0026] Figure 3 A cross-sectional view of a second breathing training device provided by the present invention;

[0027] Figure 4 This is an exploded view of the second breathing training device provided by the present invention.

[0028] Figure 1-4 middle:

[0029] 11-First suction nozzle, 111-Button, 112-Second rotating mounting slot, 113-First rotating mounting boss, 12-Control circuit board, 121-First pressure sensor, 13-Flange, 131-First one-way valve, 132-Second one-way valve, 133-First inhalation port, 134-Expiratory port, 135-Sensor interface, 136-Second inhalation port, 14-Adjusting cylinder, 141-Threaded cylinder, 142-Third inhalation port, 15-Limiting slide rail, 16-Second housing, 161-First rotating mounting slot, 162-Battery fixing slot, 163-Motor fixing slot, 164-First charging port, 17-Drive motor, 18-First battery, 191-Breathing chamber, 192-Inhalation duct, 193-Expiratory duct;

[0030] 21-second suction nozzle, 211-air inlet end cover, 212-exhalation end cover, 22-control host, 221-front shell, 2211-display screen, 2212-operation button, 2213-first buckle, 222-back shell, 2221-speaker hole, 2222-second charging port, 2223-second buckle, 223-circuit board, 224-first adjustment motor, 225-second adjustment motor, 226-second pressure sensor, 227-second battery, 228-screw, 23-air inlet, 231-air inlet plate, 232-first adjustment plate, 233-third one-way valve, 234-second bevel gear, 235-first bevel gear, 24-air outlet, 241-fourth one-way valve, 242-air outlet plate, 243-second adjustment plate, 244-fourth bevel gear, 245-third bevel gear. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] The core of the present invention is to provide a breathing training device, which can realize the exhalation and inhalation functions at the same time, and the breathing training device can electrically adjust the breathing resistance.

[0033] Please refer to Figures 1 to 4A breathing training device includes: a shell, an exhalation / inhalation duct conversion device, an air volume adjustment mechanism and a control system. A breathing chamber is set in the shell, a suction nozzle is set on the top of the shell, and at least one air port is provided on the outer wall of the shell. The exhalation / inhalation duct conversion device is set in the breathing chamber, and the suction nozzle and the air port are both connected to the breathing chamber. The air volume adjustment mechanism is movably set on the exhalation / inhalation duct conversion device to adjust the ventilation volume passing through the exhalation / inhalation duct conversion device. The outer part of the ventilation volume adjustment mechanism protrudes from the shell, and the ventilation volume adjustment mechanism is connected to the control system signal.

[0034] It should be noted that when the user inhales through the mouthpiece, external air enters the respiratory cavity along the air port. The respiratory cavity is provided with an exhalation / inhalation duct conversion device and an air volume adjustment mechanism. The external air must pass through the exhalation / inhalation duct conversion device before reaching the mouthpiece. When the user exhales, the air entering the respiratory cavity from the mouthpiece must pass through the exhalation / inhalation duct conversion device before being discharged from the air port. The air volume adjustment mechanism can change the ventilation volume of the exhalation / inhalation duct conversion device, thereby adjusting the resistance to exhalation and inhalation. The exhalation / inhalation duct conversion device can and can only ventilate in one direction, so that air is ventilated to one side of the exhalation / inhalation duct conversion device during exhalation, and to the other side of the exhalation / inhalation duct conversion device during inhalation.

[0035] The breathing training device provided in the present application can realize electric control of the ventilation volume adjustment mechanism through the control device, so as to electrically adjust the inhalation resistance and the exhalation resistance, freeing the user's hands and improving the convenience of use; exhalation and inhalation are performed through the mouthpiece, and the exhalation / inhalation duct conversion device can switch between the exhalation and inhalation functions. The same breathing training device can realize the exhalation and inhalation functions at the same time, thereby improving the convenience of ventilation.

[0036] The following describes a breathing training device with a sliding adjustment method as a first embodiment. The suction nozzle in this embodiment is a first suction nozzle 11. Based on the above embodiment, as a further preferred embodiment, the exhalation / inhalation duct 192 conversion device includes a flange 13 and an inhalation cylinder. A first inhalation port 133 is provided at the center of the flange 13, and a first one-way valve 131 is provided at the first inhalation port 133. A plurality of exhalation ports 134 are provided on the disk surface of the flange 13 on the outside of the inhalation cylinder. Each exhalation port 134 is provided with a second one-way valve 132 that opens in the opposite direction to the first one-way valve 131.

[0037] The top open end face of the suction cylinder is connected to the bottom surface of the flange 13, the first suction port 133 is arranged opposite to the top opening of the suction cylinder, the second suction port 136 is arranged on the side wall of the suction cylinder, and the ventilation volume adjustment mechanism is movably arranged on the outer periphery of the suction cylinder; an air intake duct 192 is arranged in the suction cylinder, and an exhalation duct 193 is arranged between the suction cylinder and the inner wall of the outer shell, the outer periphery of the flange 13 is connected to the inner wall of the outer shell, the opening of the second suction port 136 gradually increases or decreases from bottom to top, and the air port is arranged on the bottom surface of the outer shell.

[0038] The flange 13 is a disc, and the air cylinder is a cylinder. The flange 13 is arranged on the top of the air cylinder. The air cylinder and the flange 13 are arranged coaxially. The outer shell is a cylindrical structure that matches the flange 13. The outer periphery of the flange 13 is connected to the inner wall of the outer shell. During inhalation, negative pressure is generated at the first suction nozzle 11, and the external air enters the air inlet 192 along the air port. The first one-way valve 131 opens, and the second one-way valve 132 closes. The air then passes through the first air inlet 133 to reach the first suction nozzle 11. During exhalation, positive pressure is generated at the first suction nozzle 11. The exhaled air enters the breathing cavity 191 along the first suction nozzle 11. The second one-way valve 132 opens, and the first one-way valve 131 closes. The air then enters the exhalation duct 193 through the exhalation port 134 and is discharged along the air port.

[0039] The same first inhalation nozzle 11 is used to complete the exhalation / inhalation process. Before use, the ventilation volume of the inhalation duct 192 can be adjusted by adjusting the ventilation volume adjustment mechanism at the position of the inhalation cylinder to adjust the inhalation resistance. The adjustment method is to adjust the ventilation area of ​​the second inhalation port 136 by blocking the ventilation volume adjustment mechanism. Integrating the exhalation duct 193 and the inhalation duct 192 in the outer shell can avoid the need for additional gas channels, reduce the size of the respiratory trainer, make it more portable, and reduce production costs.

[0040] Preferably, the second air inlet 136 is in a triangular shape.

[0041] On the basis of the above embodiment, as a further preferred embodiment, the ventilation volume adjustment mechanism includes a gear shift button 111, an adjustment cylinder 14, a first power supply assembly and a driving device. The gear shift button 111 is arranged on the outer periphery of the housing. The driving device is connected to the adjustment cylinder 14 for driving. The driving device and the gear shift button 111 are both connected to the control system signal. The first power supply assembly is connected to the control system and the driving device respectively.

[0042] The regulating cylinder 14 is sleeved on the outer circumference of the suction cylinder. The regulating cylinder 14 and the suction cylinder can move relative to each other in the vertical direction. The side wall of the regulating cylinder 14 is provided with a third suction port 142 , and the opening of the third suction port 142 is consistent with the maximum opening of the second suction port 136 .

[0043] The number of gear adjustment buttons 111 can be set according to actual application conditions. The more gear adjustment buttons 111 there are, the more resistance gears there are, and the more detailed the resistance adjustment is. After the gear adjustment button 111 is pressed, the control system generates a signal indicating the corresponding gear and transmits the signal to the drive device. The drive device drives the adjustment cylinder 14 along the inhalation cylinder to the position of the corresponding gear. By adjusting the overlapping position of the third inhalation port 142 and the second inhalation port 136, the maximum ventilation volume of the second inhalation port 136 is adjusted, thereby adjusting the inhalation resistance.

[0044] In order to make full use of the exhalation duct 193, based on the above embodiment, as a further preference, all the exhalation ports 134 are evenly arranged on the disk surface of the flange 13 around the first inhalation port 133, which can ensure that the airflow in the exhalation duct 193 is uniform during exhalation and ensure smooth exhalation.

[0045] On the basis of the above embodiment, as a further preference, the drive device includes a drive motor 17 and a screw rod coaxially connected to the drive motor 17, the outer wall of the adjustment cylinder 14 is provided with a threaded hole matching the screw rod, the axis of the threaded hole is parallel to the axis of the adjustment cylinder 14, and the drive motor 17 is arranged on the bottom surface of the shell. The rotation of the drive motor 17 will drive the screw rod to rotate, and the screw rod can drive the adjustment cylinder 14 to move along the suction cylinder under the interaction with the threaded hole, thereby completing the resistance adjustment. The structure of the drive device is simple and easy to process and disassemble. In order to facilitate the fixing of the drive motor 17, a motor fixing slot 163 is provided at the bottom of the shell, and the drive motor 17 is fixed in the motor fixing slot 163.

[0046] In order to further improve the resistance adjustment accuracy, based on the above embodiment, as a further preferred embodiment, a limiting slide rail 15 is provided on the upper portion of the drive motor 17, which matches the outer peripheral structure of the threaded cylinder 141. The threaded cylinder 141 can slide along the limiting slide rail 15, and the sliding direction of the threaded cylinder 141 is parallel to the axial direction of the threaded cylinder 141. During adjustment, the threaded cylinder 141 will slide along the limiting slide rail 15, so that the adjustment cylinder 14 slides along the limiting slide rail 15, thereby ensuring that the threaded cylinder 141 slides along the axial direction of the suction cylinder, thereby reducing the friction between the suction cylinder and the adjustment cylinder 14.

[0047] On the basis of the above embodiment, as a further preference, the control system includes a control circuit board 12 and a first pressure sensor 121 provided on the control circuit board 12. A sensor interface 135 is provided on the side wall of the air cylinder. The first pressure sensor 121 is connected to the sensor interface 135 to detect the air pressure in the air cylinder. The control circuit board 12 controls the drive motor 17 according to the air pressure detected by the first pressure sensor 121 to adjust the position of the regulating cylinder 14. The control circuit board 12 can adjust the position of the regulating cylinder 14 according to the feedback of the first pressure sensor 121 to adjust the overlapping position of the third air inlet 142 and the second air inlet 136 on the regulating cylinder 14, thereby fine-tuning the inhalation resistance according to actual application conditions and improving the accuracy of the gear position.

[0048] On the basis of the above embodiment, as a further preference, the shell includes a first shell and a second shell 16, the bottom of the first shell is detachably connected to the top of the second shell 16, the first suction nozzle 11 is arranged at the top of the first shell, the air outlet is arranged at the bottom of the second shell 16, and the slide groove is arranged on the side wall of the first shell.

[0049] A first rotational mounting boss 113 and a first threaded hole are provided on the lower inner wall of the first shell, and a first rotational mounting slot 161 and a second threaded hole are provided on the top outer wall of the second shell 16. The first rotational mounting slot 161 cooperates with the first rotational mounting boss 113. After cooperation, screws are used to pass through the first threaded hole and the second threaded hole to complete the installation.

[0050] In order to facilitate the disassembly and assembly of the flange 13, a second mounting boss is provided on the inner wall of the first shell, and a second rotation mounting groove 112 is provided on the outer periphery of the flange 13. The second rotation mounting groove 112 cooperates with the second rotation mounting boss to complete the installation.

[0051] On the basis of the above embodiment, as a further preference, the first power supply assembly includes a first battery 18, a battery fixing slot 162 and a first charging port 164, the battery fixing slot 162 is arranged at the bottom of the second shell 16, the first battery 18 is installed in the battery fixing slot 162, and the first charging port 164 is arranged on the bottom surface of the second shell 16, and the position corresponds to the first battery 18.

[0052] It should be noted that any method of electrically driving the sliding to adjust the breathing resistance is included in the protection scope of this application.

[0053] The following is a second embodiment of a breathing training device with a rotation adjustment method. The suction nozzle in this embodiment is a second suction nozzle 21. On the basis of the above embodiment, as a further preferred embodiment, the air port includes an air inlet 23 and an air outlet 24 respectively arranged on both sides of the shell. The air inlet 23 and the air outlet 24 are both connected to the breathing cavity. The exhalation / inhalation duct conversion device includes an air inlet plate 231, a third one-way valve 233, an air outlet plate 242 and a fourth one-way valve 241. The air inlet plate 231 is arranged on the inner side of the air inlet 23, and the air outlet plate 242 is arranged on the inner side of the air inlet 23. Inside the air outlet 24, the air inlet plate 231 is provided with a plurality of air inlet holes, and the air outlet plate 242 is provided with a plurality of air outlet holes. The air flow control mechanism includes a second power supply assembly, a first control mechanism, and a second control mechanism. The first control mechanism is located inside the air inlet plate 231, the third check valve 233 is located inside the first control mechanism, the second control mechanism is located inside the air outlet plate 242, and the fourth check valve 241 is located outside the air outlet plate 242. The second power supply assembly is connected to the first control mechanism, the second control mechanism, and the control system. During inhalation, the third check valve 233 opens and the fourth check valve 241 closes, allowing external air to pass through the air inlet holes of the air inlet 23 and the first control mechanism before reaching the second mouthpiece 21. During exhalation, the fourth check valve 241 opens and the third check valve 233 closes, allowing air at the second mouthpiece 21 to enter the respiratory cavity and be discharged through the air outlet holes and the second control mechanism. The first regulating mechanism can regulate the air intake volume of the air inlet, and the second regulating mechanism can regulate the air intake volume of the air outlet, thereby regulating the resistance during breathing.

[0054] Based on the above embodiment, as a further preferred embodiment, the first adjustment mechanism includes a first adjustment plate 232, a first transmission assembly, and a first adjustment motor 224. The first adjustment plate 232 is rotatably disposed on the inner side of the air inlet plate 231, and the first adjustment motor 224 is connected to the first adjustment plate 232 via the first transmission assembly. A first adjustment hole is provided on the plate surface of the first adjustment plate 232. The radial width of the first adjustment hole gradually increases along the circumference of the first adjustment plate 232, and the radial width of the first adjustment hole is consistent with the maximum radial width of the air inlet hole.

[0055] The second adjustment mechanism includes a second adjustment plate 243, a second transmission assembly and a second adjustment motor 225. The second adjustment plate 243 is rotatably arranged on the inner side of the air intake plate 231, and the second adjustment motor 225 is connected to the second adjustment plate 243 through the second transmission assembly; a second adjustment hole is set on the plate surface of the second adjustment plate 243, and the radial width of the second adjustment hole gradually increases along the circumference of the second adjustment plate 243, and the radial width of the second adjustment hole is consistent with the maximum radial width of the air intake hole.

[0056] The first adjustment plate 232, the air inlet plate 231, the second adjustment plate 243, and the air outlet plate 242 are all circular plates. The first adjustment plate 232 is coaxially arranged with the air inlet plate 231, and the second adjustment plate 243 is coaxially arranged with the air outlet plate 242. The first adjustment motor 224 drives the first adjustment plate 232 to rotate via the first transmission assembly, thereby adjusting the position of the first adjustment hole, so that different positions of the first adjustment hole overlap with the air inlet hole. Since the radial width of the first adjustment hole gradually increases along the circumference of the first adjustment plate 232, the positions of the first adjustment hole with different radial widths can overlap with the air inlet hole, thereby adjusting the air intake of the air inlet hole. Similarly, the second adjustment motor 225 drives the second adjustment plate 243 to rotate via the second transmission assembly, thereby adjusting the position of the second adjustment hole, so that different positions of the second adjustment hole overlap with the air outlet hole. Since the radial width of the second adjustment hole gradually increases along the circumference of the second adjustment plate 243, the positions of the second adjustment hole with different radial widths can overlap with the air outlet hole, thereby adjusting the air intake of the air inlet hole.

[0057] On the basis of the above embodiment, as a further preferred embodiment, the first transmission assembly includes a first transmission rod, a first bevel gear 235, a second bevel gear 234 and a second transmission rod, the first transmission rod is coaxially arranged with the first adjustment motor 224, the first bevel gear 235 is arranged at the upper end of the first transmission rod, the second bevel gear 234 is matched with the first bevel gear 235 for transmission, the second bevel gear 234 is arranged at one end of the second transmission rod, and the other end of the second transmission rod is connected to the inner side surface of the first adjustment plate 232;

[0058] The second transmission assembly includes a third transmission rod, a third bevel gear 245, a fourth bevel gear 244 and a fourth transmission rod. The third transmission rod is coaxially arranged with the second adjustment motor 225. The third bevel gear 245 is arranged at the upper end of the third transmission rod. The fourth bevel gear 244 matches the third bevel gear 245 for transmission. The fourth bevel gear 244 is arranged at one end of the fourth transmission rod, and the other end of the fourth transmission rod is connected to the inner side surface of the second adjustment plate 243.

[0059] The axes of the first adjusting motor 224 and the second adjusting motor 225 are both vertically arranged, the first transmission rod is vertically arranged, the first transmission rod is coaxially connected to the output shaft of the first adjusting motor 224, the first bevel gear 235 is coaxially connected to the first transmission rod, the second bevel gear 234 is coaxially connected to the second transmission rod, the second transmission rod is horizontally arranged, and the second transmission rod is coaxially connected to the second adjusting plate 243. The second transmission rod is driven to rotate through the coordinated transmission of the first bevel gear 235 and the second bevel gear 234, thereby driving the first adjusting plate 232 to rotate.

[0060] The third transmission rod is vertically arranged, and the third transmission rod is coaxially connected to the output shaft of the second adjusting motor 225. The third bevel gear 245 is coaxially connected to the third transmission rod, and the fourth bevel gear 244 is coaxially connected to the fourth transmission rod. The fourth transmission rod is horizontally arranged, and the fourth transmission rod is coaxially connected to the second adjustment plate 243. The third bevel gear 245 and the fourth bevel gear 244 are coordinated to drive the fourth transmission rod to rotate, thereby driving the second adjustment plate 243 to rotate.

[0061] On the basis of the above embodiment, as a further preference, the control system includes a control host 22, a display screen 2211, a circuit board 223 and an operation button 2212. The control host 22 is arranged in the shell, and the display screen 2211 and the operation button 2212 are all arranged on the outer side of the shell. The control host 22, the operation button 2212 and the display screen 2211 are all connected to the circuit board 223.

[0062] The control host 22 displays information on the display screen 2211 through the circuit board 223. The operation button 2212 can trigger the control signal of the circuit board 223. The control signal is transmitted to the control host 22. The control host 22 transmits the control signal to the first adjustment motor 224, the second adjustment motor 225 and the display screen 2211 through the circuit board 223, thereby realizing the adjustment of the breathing resistance through the buttons.

[0063] On the basis of the above embodiment, as a further preference, the shell includes a front shell 221, a rear shell 222, an air intake end cover 211 and an exhalation end cover 212. A first buckle 2213 facing the rear shell 222 is provided in the front shell 221, and a second buckle 2223 corresponding to the position of the first buckle 2213 and matched with the rear shell 222 is provided in the rear shell 222. After the first buckle 2213 and the second buckle 2223 are engaged, the relative position of the front shell 221 and the rear shell 222 can be fixed. In order to further fix the front shell 221 and the rear shell 222, the front shell 221 and the rear shell 222 are connected by screws 228.

[0064] The upper parts of the front shell 221 and the rear shell 222 are the two side walls of the breathing chamber, and the lower parts are used to place the first adjustment motor 224, the second adjustment motor 225, the control host 22 and other components. The air inlet end cover 211 and the exhalation end cover 212 are respectively located at the two ends of the two side walls of the breathing chamber, and the second suction nozzle 21 is installed on the upper part of the two side walls of the breathing chamber.

[0065] To facilitate identification of correct operation, a speaker connected to the circuit board 223 can be provided within the housing. A speaker hole 2221 is provided at a position corresponding to the speaker on the rear housing 222. When the user operates the button 2212, the speaker emits a corresponding sound to indicate whether the operation is correct. Of course, the control host 22 sends a signal to the speaker via the circuit board 223, so that the speaker can also be used to indicate when the user is inhaling or exhaling.

[0066] This breathing training device is capable of measuring, recording, and analyzing training results. A second pressure sensor 226 is located at the bottom of the breathing chamber, between the front shell 221 and the rear shell 222. As the user inhales and exhales, the second pressure sensor 226 detects the pressure within the breathing chamber and transmits the measured pressure values ​​to the circuit board 223. The analysis circuitry on the circuit board 223 records and analyzes the pressure values, displaying them on the display screen 2211, allowing the user to more intuitively understand their training progress, analyze training trends, and develop a training plan.

[0067] On the basis of the above embodiment, as a further preference, the second power supply component includes a second battery 227 and a second charging port 2222. The second battery 227 is connected to the control host 22. The second charging port 2222 is arranged on the side of the rear shell 222, and the position corresponds to the second battery 227 to facilitate charging of the second battery 227.

[0068] It should be noted that any method of electrically driving rotation to adjust respiratory resistance is included in the scope of protection of this application.

[0069] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0070] The above is a detailed introduction to the respiratory training device provided by the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only intended to help understand the method and core concept of the present invention. It should be noted that for those skilled in the art, without departing from the principles of the present invention, various improvements and modifications may be made to the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A breathing training device, characterized in that: include: A housing, an inhalation / exhalation duct switching device, a ventilation volume adjustment mechanism, and a control system; a breathing chamber is provided in the housing, a nozzle is provided at the top of the housing, and the outer wall of the housing has at least one air port; the inhalation / exhalation duct switching device is provided in the breathing chamber, the nozzle and the air port are both in communication with the breathing chamber; the ventilation volume adjustment mechanism is movably provided in the inhalation / exhalation duct switching device to adjust the ventilation volume passing through the inhalation / exhalation duct switching device; the exterior of the ventilation volume adjustment mechanism protrudes from the housing; and the ventilation volume adjustment mechanism is signal-connected to the control system; The exhalation / inhalation duct conversion device comprises a flange (13) and an inhalation cylinder, wherein a first inhalation port (133) is provided at the center of the flange (13), and a first one-way valve (131) is provided at the first inhalation port (133); a plurality of exhalation ports (134) are provided on the disk surface of the flange (13) outside the inhalation cylinder, and each of the exhalation ports (134) is provided with a second one-way valve (132) whose opening direction is opposite to that of the first one-way valve (131); The top opening end surface of the air intake cylinder is connected to the bottom surface of the flange (13), the first air intake port (133) is arranged opposite to the top opening of the air intake cylinder, the side wall of the air intake cylinder is provided with a second air intake port (136), the ventilation volume adjustment mechanism is movably provided on the outer periphery of the air intake cylinder, an air intake duct (192) is provided in the air intake cylinder, an exhalation duct (193) is provided between the air intake cylinder and the inner wall of the shell, the outer periphery of the flange (13) is connected to the inner wall of the shell, and the opening of the second air intake port (136) gradually increases or decreases from bottom to top; The ventilation volume regulating mechanism comprises a gear shift button (111), an adjusting cylinder (14), a first power supply assembly and a driving device, wherein the gear shift button (111) is arranged on the outer periphery of the housing, the driving device is connected to the adjusting cylinder (14) for driving, the driving device and the gear shift button (111) are both connected to the control system signal, and the first power supply assembly is connected to the control system and the driving device respectively; The regulating cylinder (14) is sleeved on the outer periphery of the air suction cylinder, the regulating cylinder (14) and the air suction cylinder are relatively movable in the vertical direction, a third air suction port (142) is provided on the side wall of the regulating cylinder (14), and the opening of the third air suction port (142) is consistent with the maximum opening of the second air suction port (136); The driving device comprises a driving motor (17) and a screw rod coaxially connected to the driving motor (17); a threaded cylinder (141) matching the screw rod is provided on the outer wall of the adjusting cylinder (14); the axis of the threaded cylinder (141) is parallel to the axis of the adjusting cylinder (14); and the driving motor (17) is provided on the bottom surface of the housing; A limiting slide rail (15) matching the peripheral structure of the threaded barrel (141) is provided on the upper portion of the driving motor (17); the threaded barrel (141) can slide along the limiting slide rail (15); and the sliding direction of the threaded barrel (141) is parallel to the axial direction of the threaded barrel (141); The control system includes a control circuit board (12) and a first pressure sensor (121) provided on the control circuit board (12); a sensor interface (135) is provided on a side wall of the air suction cylinder; the first pressure sensor (121) is connected to the sensor interface (135) to detect the air pressure in the air suction cylinder; the control circuit board (12) controls the drive motor (17) according to the air pressure detected by the first pressure sensor (121) to adjust the position of the adjustment cylinder (14); A motor fixing slot (163) is provided at the bottom of the housing for fixing the drive motor (17) in the motor fixing slot (163); The housing comprises a first housing and a second housing (16), the bottom of the first housing is detachably connected to the top of the second housing (16), the suction nozzle is arranged at the top of the first housing, and the air outlet is arranged at the bottom of the second housing (16); A first rotational mounting protrusion (113) and a first threaded hole are provided on the lower inner wall of the first shell, and a first rotational mounting slot (161) and a second threaded hole are provided on the top outer wall of the second shell (16), wherein the first rotational mounting slot (161) cooperates with the first rotational mounting protrusion (113), and screws are passed through the first threaded hole and the second threaded hole. A second rotational mounting protrusion is provided on the inner wall of the first housing, and a second rotational mounting slot (112) is provided on the outer periphery of the flange (13), wherein the second rotational mounting slot (112) cooperates with the second rotational mounting protrusion.

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