CN220938990U - Respiration training device - Google Patents

Abstract

The utility model discloses a respiration training device, which comprises a training device and a respiration device and is characterized in that: the training device comprises a training cabin with a hollow cylindrical main body, a training effect feedback mechanism arranged at the top of the training cabin, a grip arranged at the lower end of the training cabin, a battery arranged in the grip, a control panel arranged on the outer wall of the training cabin, an adjusting mechanism connected with one end of the training cabin and a piston in the training cabin in a sliding connection manner; the breathing device comprises a re-suction prevention mechanism connected with the other end of the training bin, an air outlet and an air inlet which are arranged at the upper end and the lower end of the re-suction prevention mechanism, a purifying bin arranged at the top of the air outlet, a filter block arranged in the purifying bin, a connecting pipe arranged at the tail end of the air inlet and a breathing nozzle arranged in the connecting pipe. The utility model can be used for video and voice teaching; the training state can be observed, the training times can be recorded, the secondary inhalation of exhaled air can be avoided, and the training intensity can be adjusted.

Description

Respiration training device

Technical Field

The utility model relates to the technical field of breath training, in particular to a breath training device.

Background

Breath training is divided into two categories, inhalation training and exhalation training: inhalation is an active process, the chest cavity is required to be enlarged by active contraction to reduce the pressure in the lung, when the pressure in the lung is lower than the atmospheric pressure, air is inhaled into the lung, the mechanism of exhalation is the same as that of inhalation because of pressure difference, but exhalation is because the pressure in the lung is too high, respiratory training is training in the process of exhalation and the process of inhalation, and respiratory training has remarkable help to the efficiency of gas exchange in the body.

There are numerous respiratory function training products on the market at present, which have the following disadvantages:

1. Most of the existing devices can not be used correctly when facing patients with unknown characters because the patients cannot understand the instruction, and the existing devices lack professional guidance on breathing time, times, frequency and the like, so that the existing devices can be used at will, and the expected effect can not be achieved;

2. Most of the existing devices cannot intuitively record the breathing times and observe the training condition state, so that the training enthusiasm of patients is affected;

3. When the existing device is used for training, exhaled air is easily inhaled again, and secondary infection is easily caused;

4. Most of the existing devices cannot adjust the corresponding respiratory training intensity and cannot be applied to patients with different recovery degrees, so that the training effect is poor.

Therefore, in order to solve the technical problems, the utility model provides a breath training device.

Disclosure of utility model

The utility model aims to provide video and voice teaching which can be used; can record training number of times, can directly perceivedly observe training state, can avoid the secondary to inhale the exhale gas and can adjust a breathing training device of training intensity.

In order to achieve the technical effects, the utility model is realized by the following technical scheme: a breath training device comprising a training device and a breathing device, characterized in that: the training device comprises a training cabin with a hollow cylindrical main body, a training effect feedback mechanism arranged at the top of the training cabin, a handle arranged at the lower end of the training cabin, a battery arranged in the handle, a battery, a control unit and a control unit, wherein the training unit is arranged in the training cabin the control panel is arranged on the outer wall of the training cabin, the adjusting mechanism is detachably connected with one end of the training cabin, and the piston is fixedly connected with the tail end of the adjusting mechanism and is in sliding connection with the inside of the training cabin; the breathing device comprises a re-suction prevention mechanism which is detachably connected with the other end of the training cabin, an air outlet and an air inlet which are fixedly arranged at the upper end and the lower end of the re-suction prevention mechanism, a purifying cabin arranged at the top of the air outlet, a filter block arranged in the purifying cabin, a connecting pipe arranged at the tail end of the air inlet, a sealing pad arranged in the connecting pipe and a breathing nozzle which is detachably connected with the inside of the connecting pipe.

Further, the inner wall of the training cabin at the end of the installation adjusting mechanism is provided with an adjusting chute.

Further, the training effect feedback mechanism comprises a feedback pipe arranged at the top of the training bin, an air inlet hole arranged at the bottom of the feedback pipe and communicated with the training bin, a hollow small ball arranged inside the feedback pipe and with the size matched with the inner diameter of the feedback pipe, an air hole arranged at the top of the feedback pipe, a transparent observation window arranged on the side wall of the upper end of the feedback pipe, and a counter fixedly arranged on the inner wall of the top of the feedback pipe; the counter is electrically connected to the control panel; the initial position of the piston is positioned on the right side of the feedback tube.

Further, the diameters of the air inlet hole and the air vent are smaller than the outer diameter of the hollow small ball; the transparent observation window is provided with scales.

Further, a central processing unit, a control unit and a loudspeaker are arranged in the control panel, and a display screen, a control knob and an input interface are arranged on the outer surface of the control panel.

Further, the adjusting mechanism comprises an adjusting shell connected with one end of the training bin in a threaded manner, an adjusting block arranged in the middle of the adjusting shell, an adjusting screw rod connected with the inside of the adjusting block in a threaded manner, an adjusting grip fixedly connected with the outer end of the adjusting screw rod, an adjusting plate fixedly connected with the inner end of the adjusting screw rod, and a spring fixedly connected with the adjusting plate and the piston; the adjusting plate chute is connected with an adjusting chute in the training cabin.

Further, prevent inhaling mechanism again including threaded connection training storehouse other end install the shell, set up at the inside storehouse of taking a breath of installing shell, the communication hole of intercommunication storehouse and training storehouse, the first boss shape through-hole and the second boss shape through-hole of intercommunication gas outlet and air inlet respectively, set up at the inside connecting rod shutoff ball that just is located between first boss shape through-hole and the second boss shape through-hole of taking a breath of storehouse.

Further, the connecting rod plugging ball comprises a fixed rod with a chute connected with the inner wall of the ventilation bin, and hollow balls fixedly arranged at two ends of the fixed rod; the outer diameter of the hollow small ball is larger than the minimum inner diameter of the boss-shaped through hole; the length of the connecting rod plugging ball is smaller than the distance between the first boss-shaped through hole and the second boss-shaped through hole.

Furthermore, the disinfection block is formed by combining the existing disinfection cores with the functions of absorbing peculiar smell and disinfecting.

Furthermore, the sealing gasket is made of medical rubber materials.

The beneficial effects of the utility model are as follows:

1) The utility model sets the display screen and the loudspeaker of the control panel; the video demonstration and the voice broadcasting explanation of the using mode and the notice of the user can be realized; the device can provide a use teaching for users incapable of understanding the written description such as illiterate or hearing impairment, and can normally and correctly use the device for respiratory training; and through setting up the input interface; the device can guide external videos, recordings and the like into the control panel for playing, so that the use diversity and practicality of the device are improved;

2) The training effect feedback mechanism is arranged, and the blown hollow ball is observed to be positioned at the position corresponding to the scale of the transparent observation window, so that the direct observation of the training state of a patient can be realized, and the training enthusiasm of a user is improved; the number of times of blowing up the small ball is recorded by setting the counter, so that better and more accurate recording of the training times is realized, a patient can train in a planned way, and the training efficiency and normalization are improved;

3) The anti-re-inhalation mechanism is arranged, so that exhaled gas can be prevented from being inhaled for the second time; the light ball at the lower end of the fixed rod for blocking the second boss-shaped through hole by natural gravity is blown up during expiration, the connecting rod is used for blocking the ball to vertically act upwards under the action of the fixed rod, the light ball at the upper end of the fixed rod is used for blocking the first boss-shaped through hole, the outflow of expired air from the first boss-shaped through hole is avoided, and the expired air acts on the piston at the moment to perform training; after the single training requirement is met, the patient stops exhaling, and at the moment, under the action of gravity again, the light ball at the lower end of the fixing rod falls down again to block the second boss-shaped through hole, so that the exhaled gas is prevented from entering the air inlet from the second boss-shaped through hole; simultaneously, a first boss-shaped through hole blocked by the light ball at the upper end of the fixed rod is opened, and at the moment, the exhaled air can enter the air outlet from the first boss-shaped through hole, and then enters the purification bin for purification; blocking the back-flowing expired gas and purifying the expired gas are realized; the effect of independently exhausting the expired air and avoiding re-inhaling the expired air is achieved;

4) According to the utility model, by arranging the adjusting mechanism, the adjusting handle can be manually rotated to screw in or screw out the adjusting screw, so that the adjusting block can be moved rightwards or leftwards along the adjusting chute, and the piston can be further moved close to or far from the communication hole; realizing the adjustment of the expiratory resistance; the purpose of adjusting the respiration training intensity is achieved, and the device is convenient to use and simple to operate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a right side view of the present utility model;

FIG. 4 is a top view of the present utility model;

FIG. 5 is a cross-sectional view A-A of FIG. 4 in accordance with the present utility model;

FIG. 6 is an enlarged partial view of area A of FIG. 5 in accordance with the present utility model;

FIG. 7 is an enlarged partial view of area B of FIG. 5 in accordance with the present utility model;

in the drawings, the list of components represented by the various numbers is as follows:

1. A training device; 11. training a bin; 111. adjusting the chute; 12. training an effect feedback mechanism; 121. a feedback tube; 122. an air inlet hole; 123. hollow pellets; 124. ventilation holes; 125. a transparent observation window; 126. a counter; 13. a handle; 14. a battery; 15. a control panel; 151. a speaker; 152. a display screen; 153. an input interface; 16. an adjusting mechanism; 161. an adjustment housing; 162. an adjusting block; 163. adjusting a screw; 164. adjusting the grip; 165. an adjusting plate; 166. a spring; 17. a piston; 2. a breathing apparatus; 21. a re-suction prevention mechanism; 211. a mounting shell; 212. a ventilation bin; 213. a communication hole; 214. a first boss-shaped through hole; 215. a second boss-shaped through hole; 216. the small ball is blocked by the connecting rod; 216a, a fixed rod; 216b, lightweight pellets; 22. an air outlet; 23. an air inlet; 24. a purifying bin; 25. a filter block; 26. a connecting pipe; 27. a sealing gasket; 28. a breathing nozzle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, a respiration training device includes a training device 1 and a respiration device 2, and is characterized in that: the training device 1 comprises a training cabin 11 with a hollow cylindrical main body, a training effect feedback mechanism 12 arranged at the top of the training cabin 11, a handle 13 arranged at the lower end of the training cabin 11, a battery 14 arranged in the handle 13, a control unit and a control unit the control panel 15 is arranged on the outer wall of the training cabin 11, the adjusting mechanism 16 is detachably connected with one end of the training cabin 11, and the piston 17 is fixedly connected with the tail end of the adjusting mechanism 16 and is in sliding connection with the inside of the training cabin 11; the breathing device 2 comprises a re-suction prevention mechanism 21 which is detachably connected with the other end of the training cabin 11, an air outlet 22 and an air inlet 23 which are fixedly arranged at the upper end and the lower end of the re-suction prevention mechanism 21, a purifying cabin 24 arranged at the top of the air outlet 22, a filter block 25 arranged in the purifying cabin 24, a connecting pipe 26 arranged at the tail end of the air inlet 23, a sealing gasket 27 arranged in the connecting pipe 26 and a breathing nozzle 28 which is detachably connected with the inside of the connecting pipe 26.

The outer walls of the two ends of the training cabin 11 are provided with threads, and the inner wall of the end, provided with the adjusting mechanism 16, of the training cabin 11 is provided with an adjusting chute 111. The adjusting range of the adjusting mechanism 16 is limited, and the adjusting plate 165 is prevented from entering the training cabin 11 to block the air inlet hole 122, so that the breathing training is prevented from being influenced.

The training effect feedback mechanism 12 comprises a feedback tube 121 arranged at the top of the training cabin 11, an air inlet 122 arranged at the bottom of the feedback tube 121 and communicated with the training cabin 11, a hollow small ball 123 arranged inside the feedback tube 121 and with the size matched with the inner diameter of the feedback tube 121, an air vent 124 arranged at the top of the feedback tube 122, a transparent observation window 125 arranged on the side wall of the upper end of the feedback tube 121, and a counter 126 fixedly arranged on the inner wall of the top of the feedback tube 121; the counter 126 is electrically connected to the control panel 15; the initial position of the piston 17 is located on the right side of the feedback tube 121. In the training process, the hollow ball 123 is blown up to reach the transparent observation window 125, so that the training effect can be directly observed by a patient, and the training enthusiasm of a user is improved; the number of times the patient blows the hollow ball 123 can be recorded through the counter 126, so that the training times can be recorded better and more accurately, and planned and standard training can be achieved.

The diameters of the air inlet hole 122 and the air vent 123 are smaller than the outer diameter of the hollow sphere 123; the transparent observation window 125 is provided with a scale. Preventing the hollow pellet 123 from falling out of the feedback tube 121; the patient can intuitively know the training state.

The control panel 15 is internally provided with a central processing unit, a control unit and a loudspeaker, and the outer surface is provided with a display screen, a control knob and an input interface. When the device is used, the display screen and the loudspeaker act together, so that the use action flow of the video display device and the use flow of the voice explanation device for a patient are realized, and the problem that the device cannot be correctly used by a patient with illiterate or dysaudia and the training effect cannot be achieved is solved.

The adjusting mechanism 16 comprises an adjusting shell 161 which is connected with one end of the training cabin 11 in a threaded manner, an adjusting block 162 arranged in the middle of the adjusting shell 161, an adjusting screw 163 which is connected with the inside of the adjusting block 162 in a threaded manner, an adjusting grip 164 which is fixedly connected with the outer end of the adjusting screw 163, an adjusting plate 165 which is fixedly connected with the inner end of the adjusting screw 163, and a spring 166 which is fixedly connected with the adjusting plate 165 and the piston 17; the adjusting plate 165 is connected with the adjusting chute 111 inside the training cabin 11 through a chute. The patient can realize adjusting the position of the adjusting plate 165 at the adjusting chute 111 through rotating the adjusting handle 164, so as to further realize adjusting the distance between the piston inside the training cabin 11 and the communication hole 213, and realize adjusting the training force so as to be suitable for patients with different demands.

The anti-re-suction mechanism 21 comprises a mounting shell 211 in threaded connection with the other end of the training cabin 11, a ventilation cabin 212 arranged in the mounting shell 211, a communication hole 213 for communicating the ventilation cabin 212 with the training cabin 11, a first boss-shaped through hole 214 and a second boss-shaped through hole 215 for respectively communicating the air outlet 22 and the air inlet 23, and a connecting rod plugging ball 216 arranged in the ventilation cabin 212 and positioned between the first boss-shaped through hole 214 and the second boss-shaped through hole 215; the connecting rod plugging small ball 216 comprises a fixed rod 216a connected with the inner wall of the ventilation bin 212 through a chute, and light small balls 216b fixedly arranged at two ends of the fixed rod 216 a; the outer diameter of the light ball 216b is larger than the minimum inner diameter of the boss-shaped through hole; the length of the connecting rod plugging ball 216 is smaller than the distance between the first boss-shaped through hole 214 and the second boss-shaped through hole 215. The secondary inhalation of exhaled gas can be avoided; the light ball 216b at the lower end of the fixed rod 216a for blocking the second boss-shaped through hole 215 by natural gravity is blown up during expiration, the connecting rod blocking ball 216 vertically moves upwards on the premise that the fixed rod 216a moves along the chute on the inner wall of the ventilation bin 212, the light ball 216b at the upper end of the fixed rod 216a blocks the first boss-shaped through hole 214, the expired air is prevented from flowing out from the first boss-shaped through hole 214, and the expired air acts on the piston 17 at the moment to perform training; after the first training is finished, the patient stops exhaling, and at the moment, under the action of gravity again, the light ball 216b at the lower end of the fixing rod 216a falls again to block the second boss-shaped through hole 215, so that the exhaled air is prevented from entering the air inlet 23 from the second boss-shaped through hole 215; simultaneously, the first boss-shaped through hole 214 blocked by the light ball 216b at the upper end of the fixing rod 216a is opened, and the exhaled air can enter the air outlet 22 from the first boss-shaped through hole 214 at the moment and then enter the purifying bin 24 for purifying; the blocking of the back-flowing expired gas and the purification of the expired gas are realized.

The sterilizing block 25 is formed by combining the existing sterilizing cores with the functions of absorbing peculiar smell and sterilizing. The method realizes the removal and disinfection of the peculiar smell of the expired air entering the purification bin 24, and avoids the direct dispersion of the expired air into the air, thereby causing pollution to the environment.

The sealing gasket 27 is made of medical rubber materials. The gasket 27 prevents gaps from being formed at the joint when the mouthpiece 28 is installed, thereby affecting the training effect.

Example 2

The control unit of the control panel 15 adopts a conventional circuit integrated board in the market, the loudspeaker adopts a conventional loudspeaker in the market, the display screen adopts a conventional liquid crystal display screen, and the input interface adopts a conventional USB interface or a Type-c interface or a conventional external equipment socket such as a storage card placing groove.

The counter 126 of the present utility model employs a conventional infrared counter or touch type counter.

The transparent observation window 125 is made of medical transparent plastic or transparent glass.

The hollow ball 123, the fixed rod 216a of the connecting rod plugging ball 216 and the light ball 216b are made of medical materials with lighter mass.

Example 3

The application method of the device comprises the following steps:

S1, when a user uses the device, firstly, a battery is arranged in the handle 13, and then the control panel 15 is operated to start the device, so that the device is electrified; then, installing the breathing nozzle 28 into the connecting pipe 26, then holding the handle 13 by a person, covering the breathing nozzle 28 at the mouth to breathe in gas to the gas inlet 23, placing the hand on the top of the purifying bin 24, and detecting whether the gas leaks; performing device inspection before normal training;

S2, after the inspection is finished, a user who can see the instruction book of the device can directly explain the using method according to the instruction book to perform initial training learning; or video demonstration and voice broadcasting explanation of the use mode and notice are carried out through a display screen 152 arranged on the surface of the control panel 15 and a loudspeaker 151 arranged inside the control panel 15; the device can provide a use teaching for users incapable of understanding the written description such as illiterate or hearing impairment, and can normally and correctly use the device for respiratory training; the device can guide external videos, sound recordings and the like into the control panel 15 through the input interface 153, so that the use diversity and practicability of the device are improved;

S3, after learning is finished, a user firstly operates the adjusting device to adjust the piston to an initial state that the piston 17 is farthest from the communication hole 213, and at the moment, the training force of the device is minimum; then, according to the learned breath training mode, the handle 13 is held by hand, the feedback tube 121 is ensured to be vertically upwards, and then the mouth is covered with the breathing nozzle 28, and the air is breathed into the air inlet 23; at this time, the incoming gas blows the light ball 216b at the lower end of the fixing rod 216a for blocking the second boss-shaped through hole 215 by natural gravity, the connecting rod blocking ball 216 moves vertically upwards under the action of the fixing rod 216a, the light ball 216b at the upper end of the fixing rod 216a blocks the first boss-shaped through hole 214, the outgoing gas cannot flow out from the first boss-shaped through hole 214, and only can be output from the communication hole 213 to act on the piston 17; at this time, the piston 17 is forced to move leftwards, the spring 166 connected to the inner side of the piston 17 is extruded, and the displacement cannot be generated because the adjusting block 162 connected to the other end of the spring is fixedly supported by the adjusting screw 163, at this time, the spring 166 is slowly compressed, and the user's exhalation force needs to overcome the elasticity of the spring 166, so as to achieve the training effect;

When the piston 17 slides through the air inlet hole 122, the training cabin 11 is communicated with the inside of the feedback pipe 121, the air exhaled by the patient enters the inside of the feedback pipe 121 through the air inlet hole 122, the hollow small ball 123 with the size matched with the inner diameter of the feedback pipe 121 is blown up, when the patient observes the hollow small ball 123 through the transparent observation window 125, the patient achieves the scale position through observing the hollow small ball 123, and when the hollow small ball 123 achieves a certain scale, the patient stops blowing; and the mouth part is separated from the breathing nozzle 28, at this time, the hollow small ball 123 falls to the bottom end position of the initial feedback tube 121 under the action of the hollow small ball 123 and the external atmospheric pressure; simultaneously, the piston automatically moves rightwards under the action of the elastic force of the spring 166; in the process, after the patient stops exhaling, under the dual actions of gravity and internal air pressure, the light ball 216b at the lower end of the fixing rod 216a falls down again to block the second boss-shaped through hole 215, so that the exhaled air is prevented from entering the air inlet 23 from the second boss-shaped through hole 215; simultaneously, the first boss-shaped through hole 214 blocked by the light ball 216b at the upper end of the fixing rod 216a is opened, and the exhaled air can enter the air outlet 22 from the first boss-shaped through hole 214 at the moment and then enter the purifying bin 24 for purifying; blocking the back-flowing expired gas and purifying the expired gas are realized; the method realizes the independent discharge of the expired gas, and avoids the re-inhalation of the expired gas;

S4, when a user needs to adjust the training intensity, the adjusting handle 164 is manually rotated to screw the adjusting screw 163 in or out, so that the adjusting block 162 is moved rightward or leftward along the adjusting chute 111, and the piston 17 is further moved close to or far from the communication hole 213; realizing the adjustment of the expiratory resistance; the purpose of adjusting the respiration training intensity is achieved.

Claims (10)

1. Breath training device, including trainer (1) and respiratory device (2), its characterized in that: the training device (1) comprises a training cabin (11) with a hollow cylindrical main body, a training effect feedback mechanism (12) arranged at the top of the training cabin (11), a handle (13) arranged at the lower end of the training cabin (11), a battery (14) arranged in the handle (13), a control panel (15) arranged on the outer wall of the training cabin (11), an adjusting mechanism (16) detachably connected with one end of the training cabin (11), and a piston (17) fixedly connected with the tail end of the adjusting mechanism (16) and slidably connected with the inside of the training cabin (11); the breathing device (2) comprises a re-suction prevention mechanism (21) which is detachably connected with the other end of the training cabin (11), an air outlet (22) and an air inlet (23) which are arranged at the upper end and the lower end of the re-suction prevention mechanism (21), a purifying cabin (24) arranged at the top of the air outlet (22), a filter block (25) arranged inside the purifying cabin (24), a connecting pipe (26) arranged at the tail end of the air inlet (23), a sealing pad (27) arranged inside the connecting pipe (26) and a breathing nozzle (28) which is detachably connected with the inside of the connecting pipe (26).

2. A breath training device according to claim 1, characterized in that the training chamber (11) is provided with an adjusting chute (111) at the inner wall of the end where the adjusting mechanism (16) is mounted.

3. The respiratory training device according to claim 1, wherein the training effect feedback mechanism (12) comprises a feedback tube (121) arranged at the top of the training cabin (11), an air inlet hole (122) arranged at the bottom of the feedback tube (121) and communicated with the training cabin (11), a hollow small ball (123) arranged inside the feedback tube (121) and the size of which is matched with the inner diameter of the feedback tube (121), an air vent (124) arranged at the top of the feedback tube (121), a transparent observation window (125) arranged on the side wall of the upper end of the feedback tube (121), and a counter (126) fixedly arranged on the inner wall of the top of the feedback tube (121); the counter (126) is electrically connected with the control panel (15); the initial position of the piston (17) is positioned on the right side of the feedback pipe (121).

4. A breath training device according to claim 3, wherein the diameter of the air inlet aperture (122) and the air vent (124) are smaller than the outer diameter of the hollow sphere (123); the transparent observation window (125) is provided with scales.

5. The respiratory training device according to claim 1, wherein the control panel (15) is internally provided with a control unit and a speaker (151), and the outer surface is provided with a display screen (152), a control knob and an input interface (153); the battery (14) is electrically connected with the control panel (15).

6. The respiratory training device according to claim 1, wherein the adjusting mechanism (16) comprises an adjusting shell (161) connected with one end of the training cabin (11) through threads, an adjusting block (162) arranged in the middle of the adjusting shell (161), an adjusting screw (163) connected with the inside of the adjusting block (162) through threads, an adjusting grip (164) fixedly connected with the outer end of the adjusting screw (163), an adjusting plate (165) fixedly connected with the inner end of the adjusting screw (163), a spring (166) fixedly connected with the adjusting plate (165) and the piston (17); the adjusting plate (165) is connected with the adjusting chute (111) in the training cabin (11) through the chute.

7. The respiration training device according to claim 1, characterized in that the re-suction prevention mechanism (21) comprises a mounting shell (211) connected with the other end of the training cabin (11) through threads, a ventilation cabin (212) arranged inside the mounting shell (211), a communication hole (213) for communicating the ventilation cabin (212) with the training cabin (11), a first boss-shaped through hole (214) and a second boss-shaped through hole (215) respectively communicating the air outlet (22) and the air inlet (23), and a connecting rod plugging ball (216) arranged inside the ventilation cabin (212) and positioned between the first boss-shaped through hole (214) and the second boss-shaped through hole (215).

8. The respiratory training device according to claim 7, wherein the connecting rod plugging small ball (216) comprises a fixed rod (216 a) connected with the inner wall of the ventilation bin (212) through a chute, and light small balls (216 b) fixedly arranged at two ends of the fixed rod (216 a); the outer diameter of the light ball (216 b) is larger than the minimum inner diameter of the boss-shaped through hole; the length of the connecting rod plugging small ball (216) is smaller than the distance between the first boss-shaped through hole (214) and the second boss-shaped through hole (215).

9. A respiratory training device according to claim 1, wherein the filter block (25) is formed by a combination of a disinfection core having an odor-adsorbing and disinfecting effect.

10. A breath training device according to claim 1, characterized in that the sealing pad (27) is made of a medical rubber material.