CN113952691A

CN113952691A - Lung training device for respiratory department patients

Info

Publication number: CN113952691A
Application number: CN202111513066.7A
Authority: CN
Inventors: 张春艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-12
Filing date: 2021-12-12
Publication date: 2022-01-21
Anticipated expiration: 2041-12-12
Also published as: CN113952691B

Abstract

The invention is suitable for the technical field of medical equipment, and provides a lung training device for patients in respiratory medicine, which comprises: the breathing unit comprises a mask and a first air pipe, wherein the mask is arranged at one end of the first air pipe; the chest expanding unit is arranged on the first air pipe and comprises an installation sleeve, a pull rod and a tension spring, the chest expanding unit is provided with the breathing unit, the resistance unit and the transmission unit, the lung training effect can be achieved, the depth of water in the box body can be changed through a water adding pipe or a water discharging pipe, the training intensity adjusting effect can be achieved, the chest expanding unit is suitable for different recovery periods of different patients, and the adaptability is improved; be equipped with chest expanding unit, tensile size when can adjusting the motion of chest expanding further reaches the effect of adjustment training intensity.

Description

Lung training device for respiratory department patients

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a lung training device for patients in respiratory medicine.

Background

Respiratory medicine mainly looks at diseases in the respiratory system, and roughly comprises the following types: infectious diseases of the respiratory system, common upper respiratory tract infection, including cold, pharyngitis, tonsillitis and the like. Lower respiratory tract infections including acute bronchitis, pneumonia, bronchiectasis, pulmonary tuberculosis, lung abscess, etc.;

breathe internal medicine patient at the recovery in-process, need carry out the lung training, temper vital capacity, be favorable to the recovering of the state of an illness more, current lung trainer can't train the adjustment of intensity to different patients or same patient different periods when training, has influenced the training effect.

Disclosure of Invention

The invention provides a lung training device for patients in respiratory medicine, and aims to solve the problem that the existing device cannot adjust the training intensity for different patients or the same patient in different periods.

The invention is realized in such a way that a lung training device for respiratory medical patients comprises:

the breathing unit comprises a mask and a first air pipe, wherein the mask is arranged at one end of the first air pipe;

the resistance unit comprises a box body, a rotating shaft, mounting rods and air bags, wherein the box body is rotatably provided with a mounting shaft, a plurality of mounting rods are arranged on a shaft section of the mounting shaft in the box body at intervals from top to bottom, at least one air bag is arranged on the mounting rods, the box body is connected with a water feeding pipe and a water discharging pipe, and valves are respectively arranged on the water feeding pipe and the water discharging pipe;

the transmission unit is used for connecting the breathing unit and the resistance unit, the other end of the first air pipe is connected with the transmission unit, and kinetic energy of gas blown out by a patient is converted into rotary kinetic energy of the mounting shaft through the transmission unit.

Preferably, the transmission unit comprises a cylinder body, a piston rod and a transmission member, the piston is arranged in the cylinder body, the piston rod is fixedly mounted on the piston, the piston rod penetrates through one end wall of the cylinder body and extends to the outside of the cylinder body, the first air pipe is connected with the other end wall of the cylinder body, and the transmission member is connected between the piston rod and the mounting shaft.

Preferably, the transmission member comprises a movable plate, a scissor fork mechanism, a transmission shaft, an inner screw sleeve and a bevel gear pair, the outer side wall of the box body is rotatably provided with a transmission shaft, the transmission shaft is perpendicular to the installation shaft and is in transmission connection with the installation shaft through a bevel gear pair, a movable plate is arranged on one side of the transmission shaft away from the box body, a plurality of guide rods are arranged on the movable plate in a penetrating way, the guide rods are fixedly connected with the box body, a scissor mechanism is arranged between the transmission shaft and the movable plate, two end parts of one side of the scissor mechanism close to the movable plate are respectively hinged with a sliding block, the sliding block and the movable plate are connected in a sliding way, two end parts of the other side of the scissor mechanism are respectively hinged with an inner spiral sleeve, the transmission shaft is provided with an outer spiral section matched with the inner spiral sleeve, the transmission shaft is sleeved with a compression spring, one end of the compression spring is abutted against the inner spiral sleeve, and the acting force of the compression spring on the inner spiral sleeve faces the middle section of the transmission shaft.

Preferably, the transmission shaft is provided with an external thread section outside the external thread section, the external thread section is provided with an internal thread sleeve in threaded connection, a fixing piece is further connected between the internal thread sleeve and the transmission shaft and used for fixing the position of the internal thread sleeve on the transmission shaft, and the internal thread sleeve is abutted against the other end of the compression spring.

Preferably, still including adjusting part, adjusting part is including aerifing piece, second trachea and third trachea, installation axle and the equal inside cavity of installation pole and being linked together, installation pole inner chamber and gasbag inner chamber intercommunication, installation axle one end penetrates and rotates and is connected with the second trachea, and second trachea and atmosphere intercommunication are connected with third trachea one end on the second trachea, and the third trachea other end is connected with the piece of aerifing, installs the check valve on the third trachea, and manual valve is installed to keeping away from between the one end of installation axle to the tracheal junction of second trachea and third.

Preferably, the counterweight unit comprises a first screw rod and a counterweight ball, at least one first screw rod is fixedly mounted on the shaft section of the mounting shaft positioned outside the box body, and the first screw rod is in threaded connection with a plurality of counterweight balls.

Preferably, still including the friction unit, the friction unit includes rectangular bag, install many rectangular bags along its length direction hoop interval on the guide bar, the inside cavity of guide bar and with rectangular bag inner chamber intercommunication, be connected with on the guide bar and fill the trachea, fill and install manual valve on the trachea.

Preferably, the box body is provided with an observation window.

Preferably, still including the chest expanding unit, the chest expanding unit is installed on first trachea, and the chest expanding unit includes installation cover, pull rod and extension spring, the installation cover movable sleeve is located on first trachea, and the installation cover bilateral symmetry is equipped with the pull rod, is connected with an extension spring between every pull rod and the installation cover respectively.

Preferably, a second screw rod is movably arranged on the pull rod in a penetrating mode, one end, far away from the installation sleeve, of the second screw rod is fixedly provided with a limiting block, the second screw rod is connected with an adjusting threaded sleeve in a threaded mode, one end of the extension spring is fixedly connected with the adjusting screw rod, and the other end of the extension spring is fixedly connected with the installation sleeve.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

the respiratory unit comprises a face mask and a first air pipe, the resistance unit comprises a box body, a rotating shaft, an installation rod and an air bag, the transmission unit is used for connecting the respiratory unit and the resistance unit, the other end of the first air pipe is connected with the transmission unit, the kinetic energy of the air blown out by a patient is converted into the rotation kinetic energy of the installation shaft through the transmission unit, when the respiratory unit is used, the patient puts the face mask at the mouth part and blows air inwards, the installation shaft can be driven to rotate through the transmission unit, when the installation shaft rotates, the mounting shaft and the installation rod thereon and the air bag can be subjected to the resistance of water in the box body, so that the lung training effect can be realized, the depth of the water in the box body can be changed through a water adding pipe or a water discharging pipe, the size of the resistance of the water received by the installation shaft, the mounting rod and the air bag can be adjusted, and the training intensity can be adjusted, the device is suitable for different recovery periods of different patients, and the adaptability is improved;

the device is provided with a transmission unit, the transmission unit comprises a cylinder body, a piston rod and a transmission member, the transmission member comprises a movable plate, a scissor fork mechanism, a transmission shaft, an inner spiral sleeve and a bevel gear pair, an outer thread section is arranged on the transmission shaft and positioned on the outer side of the outer thread section, an inner thread sleeve is connected to the outer thread section in a threaded manner and is abutted against the other end of a compression spring, and the position of the inner thread sleeve is adjusted by rotating the inner thread sleeve, so that the compression amount of the compression spring is changed, the acting force of the compression spring on the inner spiral sleeve is adjusted, the resistance of the movable plate during movement is changed, the resistance of the piston during movement is changed, and the effect of adjusting the training intensity is achieved;

be equipped with the chest expanding unit, the chest expanding unit is installed on first trachea, and the chest expanding unit is including installation cover, pull rod and extension spring, the second screw rod is worn to be equipped with in the activity on the pull rod, and threaded connection has the regulation swivel nut on the second screw rod, extension spring one end and adjusting screw fixed connection, the other end and installation cover fixed connection adjust the swivel nut through rotating, adjust its and the relative position of second screw rod, adjustment extension spring's elongation, tensile size when adjustment chest expanding motion further reaches the effect of adjustment training intensity.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of embodiment 2 of the present invention;

FIG. 3 is a schematic structural view of embodiment 3 of the present invention;

FIG. 4 is a schematic structural view of embodiment 4 of the present invention;

FIG. 5 is a plan view of the guide bar and the movable plate in embodiment 4 of the present invention;

FIG. 6 is a schematic structural view of embodiment 5 of the present invention;

fig. 7 is a partially enlarged view of fig. 6.

Notations for reference numerals: 1-box body, 2-observation window, 3-installation rod, 4-air bag, 5-installation shaft, 6-internal thread sleeve, 7-external thread section, 8-external thread section, 9-guide rod, 10-movable plate, 11-scissors mechanism, 12-internal thread sleeve, 13-bevel gear pair, 14-compression spring, 15-piston rod and 16-piston, 17-cylinder body, 18-first air pipe, 19-mask, 20-water feeding pipe, 21-water discharging pipe, 22-inflating piece, 23-third air pipe, 24-second air pipe, 25-counterweight ball, 26-first screw rod, 27-long bag, 28-pull rod, 29-second screw rod, 30-extension spring, 31-mounting sleeve and 32-adjusting screw sleeve.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

An embodiment of the present invention provides a lung training device for a respiratory medical patient, as shown in fig. 1, including:

the breathing unit comprises a face mask 19 and a first air pipe 18, wherein the face mask 19 is arranged at one end of the first air pipe 18, a detachable installation mode is preferably adopted, the replacement and maintenance are convenient, and a binding belt can be arranged on the face mask 19;

the resistance unit comprises a box body 1, a rotating shaft, mounting rods 3 and air bags 4, wherein a mounting shaft 5 is rotatably mounted on the box body 1, the mounting shaft 5 is preferably vertically arranged, a plurality of mounting rods 3 are mounted on shaft sections, located in the box body 1, of the mounting shaft 5 at intervals from top to bottom, at least one air bag 4 is mounted on each mounting rod 3, in the embodiment, preferably, two air bags 4 are mounted on each mounting rod 3, a water adding pipe 20 and a water discharging pipe 21 are connected to the box body 1, valves are respectively mounted on the water adding pipe 20 and the water discharging pipe 21, and further, an observation window 2 is mounted on the box body 1, so that the water level in the box body 1 can be observed conveniently;

the transmission unit is used for connecting the breathing unit and the resistance unit, the other end of the first air pipe 18 is connected with the transmission unit, and the kinetic energy of the air blown out by the patient is converted into the rotation kinetic energy of the mounting shaft 5 through the transmission unit;

during the use, the patient puts the face guard 19 at the mouth, then blow inwards, can drive installation axle 5 through drive unit and rotate, when installation axle 5 rotates, its self and installation pole 3 on it, gasbag 4 can receive the resistance of box 1 internal water, thereby can play the effect of lung's training, can also change the degree of depth of box 1 internal water through filler pipe 20 or drain pipe 21, and then can adjust installation axle 5, the size of the resistance of the water that installation pole 3 and gasbag 4 received, thereby reach the effect of adjusting training intensity, adapt to different patient's different recovery periods, adaptability has been improved.

Specifically, the transmission unit includes a cylinder 17, a piston 16, a piston rod 15 and a transmission member, the piston 16 is disposed in the cylinder 17, the piston rod 15 is fixedly mounted on the piston 16, the piston rod 15 penetrates through one end wall of the cylinder 17 and extends to the outside of the cylinder, the first air tube 18 is connected to the other end wall of the cylinder 17, the transmission member is connected between the piston rod 15 and the mounting shaft 5, air blown out by a patient enters the cylinder 17 to drive the piston 16 to move, the piston 16 drives the piston rod 15 to move, the piston rod 15 drives the mounting shaft 5 to move, further, in this embodiment, the transmission member preferably includes a movable plate 10, a scissor mechanism 11, a transmission shaft, an inner spiral sleeve 12 and a bevel gear pair 13, the transmission shaft is rotatably mounted on the outer side wall of the box 1, the transmission shaft is perpendicular to the mounting shaft 5 and is in transmission connection with the mounting shaft through the bevel gear pair 13, a movable plate 10 is arranged on one side of the transmission shaft far away from the box body 1, a plurality of guide rods 9 penetrate through the movable plate 10, the guide rods 9 are fixedly connected with the box body 1, a scissor mechanism 11 is arranged between the transmission shaft and the movable plate 10, the scissor mechanism 11 in the embodiment is composed of two rod pieces which are arranged in a crossed manner and are hinged to the middle portion, two end portions of one side, close to the movable plate 10, of the scissor mechanism 11 are respectively hinged to a slide block, the slide block and the movable plate 10 are connected in a sliding manner, a sliding groove for the slide block to be connected in a sliding manner is formed in the movable plate 10, two end portions of the other side of the scissor mechanism 11 are respectively hinged to an inner spiral sleeve 12, an outer spiral section 8 matched with the inner spiral sleeve 12 is arranged on the transmission shaft, a compression spring 14 is sleeved on the transmission shaft, one end of the compression spring 14 is abutted to the inner spiral sleeve 12, an acting force of the compression spring 14 on the inner spiral sleeve 12 faces to the middle section of the transmission shaft, and a piston rod 15 drives the movable plate 10 to move, the movable plate 10 drives the two inner screw sleeves 12 to be away from each other through the scissors mechanism 11, the inner screw sleeves 12 are matched with the outer screw sections 8 on the transmission shaft to enable the transmission shaft to rotate, the transmission shaft drives the installation shaft 5 to rotate through the bevel gear pair 13, the compression springs 14 enable the two inner screw sleeves 12 to be close to each other through the elastic force of the inner screw sleeves 12, the reset is carried out, the movable plate 10, the piston rod 15 and the piston 16 are enabled to reset, the transmission component can also be in gear and rack cooperation, the transmission unit can also be in an impeller structure and the like, the installation shaft 5 can be driven to rotate, and excessive limitation is not carried out.

Further, it is equipped with external screw thread section 7 to lie in the external screw thread section 8 outside on the transmission shaft, threaded connection has internal thread cover 6 on the external screw thread section 8, still be connected with the mounting between internal thread cover 6 and the transmission shaft, be used for fixed internal thread cover 6 at the epaxial position of transmission, in this embodiment, the mounting is preferably fastening screw, internal thread cover 6 contradicts with the compression spring 14 other end, through rotating internal thread cover 6, thereby the position adjustment of internal thread cover 6 changes compression spring 14's the compressive capacity, and then the effort of adjustment compression spring 14 to internal screw thread cover 12, make the resistance change when fly leaf 10 moves, and then the resistance change when piston 16 moves, play the effect of adjusting training intensity.

Example 2

In this embodiment, on the basis of embodiment 1, as shown in fig. 2, the present invention further includes an adjusting assembly, the adjusting assembly includes an inflating part 22, a second air pipe 24 and a third air pipe 23, the mounting shaft 5 and the mounting rod 3 are both hollow and communicated, the inner cavity of the mounting rod 3 is communicated with the inner cavity of the air bag 4, one end of the mounting shaft 5 penetrates and is rotatably connected with the second air pipe 24, the second air pipe 24 is communicated with the atmosphere, one end of the third air pipe 23 is connected to the second air pipe 24, the other end of the third air pipe 23 is connected to the inflating part 22, the inflating part 22 may be a common inflator or an inflator pump, the third air pipe 23 is mounted with a check valve, a manual valve is mounted between the connection between the second air pipe 24 and the third air pipe 23 and the end away from the mounting shaft 5, the air bag 4 is inflated by the inflating part 22, the volume of the air bag 4 is changed, the size of the force-bearing area of the air bag 4 is adjusted, and the resistance applied to the air bag is adjusted, further adjustment of the training intensity, the air bag 4 can be deflated by means of a manual valve on the second air tube 24.

Example 3

In this embodiment, on the basis of embodiment 2, as shown in fig. 3, the training device further includes a counterweight unit, the counterweight unit includes a first screw rod 26 and counterweight balls 25, at least one first screw rod 26 is fixedly installed on the shaft section of the installation shaft 5 located outside the box body 1, a plurality of counterweight balls 25 are connected to the first screw rod 26 in a threaded manner, and by changing the number of the counterweight balls 25 on the first screw rod 26, the gravity of the installation shaft 5 changes, and the power required by the gravity when the gravity changes its rotation also changes, so that the training intensity changes.

Example 4

On the basis of embodiment 3, as shown in fig. 4-5, the present embodiment further includes a friction unit, the friction unit includes a long strip bag 27, a plurality of long strip bags 27 are installed at intervals along the circumferential direction of the guide rod 9, the guide rod 9 is hollow and communicated with the inner cavity of the long strip bag 27, an inflation/deflation pipe is connected to the guide rod 9, a manual valve is installed on the inflation/deflation pipe, the inflation/deflation pipe inflates the long strip bag 27 through an inflator, the long strip bag 27 expands, so that the friction force applied when the movable plate 10 moves along the guide plate becomes large, the movement resistance of the piston 16 becomes large, and the requirement for the vital capacity of the patient is higher.

Example 5

In this embodiment, on the basis of embodiment 1, as shown in fig. 6 to 7, the chest expanding unit is further included, the chest expanding unit is installed on the first air tube 18, the chest expanding unit includes an installation sleeve 31, a pull rod 28 and an extension spring 30, the installation sleeve 31 is movably sleeved on the first air tube 18, the pull rods 28 are symmetrically arranged on two sides of the installation sleeve 31, one extension spring 30 is connected between each pull rod 28 and the installation sleeve 31, two hands hold two pull rods 28 respectively to perform chest expanding movement, so as to perform a lung training function, a second screw 29 is movably inserted into the pull rod 28, a limiting block is fixed on one end of the second screw 29 away from the installation sleeve 31, the limiting block can be polygonal or other irregular non-circular shape, a groove matched with the limiting block is formed in the pull rod 28, and the limiting block can limit free rotation of the second screw 29 during chest expanding movement, an adjusting threaded sleeve 32 is connected to the second screw rod 29 in a threaded manner, one end of the extension spring 30 is fixedly connected with the adjusting threaded sleeve, the other end of the extension spring is fixedly connected with the mounting sleeve 31, the relative position of the extension spring 30 and the second screw rod 29 is adjusted by rotating the adjusting threaded sleeve 32, the extension amount of the extension spring 30 is adjusted, the size of the tension force during chest expanding movement is adjusted, and the effect of adjusting the training intensity is further achieved.

In summary, the working principle of the invention is as follows:

when the device is used, a patient places the face mask 19 at the mouth and blows air inwards, the mounting shaft 5 can be driven to rotate through the transmission unit, when the mounting shaft 5 rotates, the mounting rod 3 and the air bag 4 on the mounting shaft can be subjected to resistance of water in the box body 1, so that the lung training effect can be achieved, the depth of the water in the box body 1 can be changed through the water adding pipe 20 or the water discharging pipe 21, the size of the resistance of the water on the mounting shaft 5, the mounting rod 3 and the air bag 4 can be adjusted, the training intensity adjusting effect can be achieved, different recovery periods of different patients can be adapted, the adaptability is improved, the position of the internal thread sleeve 6 can be adjusted by rotating the internal thread sleeve 6, so that the compression amount of the compression spring 14 can be changed, the acting force of the compression spring 14 on the internal thread sleeve 12 can be adjusted, so that the resistance of the movable plate 10 during movement can be changed, and further the resistance of the piston 16 during movement can be changed, the training intensity can be adjusted; the air bag 4 is inflated through the inflating part 22, the volume of the air bag 4 is changed, the size of the stressed area of the air bag is adjusted, the resistance force of the air bag is further adjusted, and the training intensity is further adjusted; the air pump is used for inflating the long strip bag 27, and the long strip bag 27 is expanded, so that the friction force applied to the movable plate 10 during the movement along the guide plate is increased, the movement resistance of the piston 16 is increased, and the requirement on the vital capacity of a patient is higher; two hands can also be used for holding the two pull rods 28 respectively to perform chest expanding exercise, so that the lung training effect can be achieved, the relative position between the adjusting screw sleeve 32 and the second screw 29 is adjusted by rotating the adjusting screw sleeve, the elongation of the extension spring 30 is adjusted, the tension during chest expanding exercise is adjusted, and the training intensity is further adjusted.

It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.

Claims

1. A lung training device for respiratory medical patients, comprising:

2. The lung training device for patients with respiratory medicine as claimed in claim 1, wherein the transmission unit comprises a cylinder, a piston rod and a transmission member, the piston is disposed in the cylinder, the piston is fixedly mounted on the piston, the piston rod extends through one end wall of the cylinder and extends to the outside thereof, the first air tube is connected with the other end wall of the cylinder, and the transmission member is connected between the piston rod and the mounting shaft.

3. The lung training device for patients in respiratory medicine according to claim 2, wherein the transmission member comprises a movable plate, a scissor mechanism, a transmission shaft, an inner spiral sleeve and a bevel gear pair, the transmission shaft is rotatably mounted on the outer side wall of the box body, the transmission shaft is vertically arranged with the mounting shaft and is in transmission connection with the mounting shaft through the bevel gear pair, the movable plate is arranged on one side of the transmission shaft away from the box body, a plurality of guide rods are arranged on the movable plate in a penetrating manner, the guide rods are fixedly connected with the box body, the scissor mechanism is arranged between the transmission shaft and the movable plate, two end parts of one side of the scissor mechanism close to the movable plate are respectively hinged with a slide block, the slide block and the movable plate are in sliding connection, the inner spiral sleeve is respectively hinged with two end parts of the other side of the scissor mechanism, an outer spiral section matched with the inner spiral sleeve is arranged on the transmission shaft, a compression spring is sleeved on the transmission shaft, and one end of the compression spring is abutted against the inner spiral sleeve, the acting force of the compression spring on the inner spiral sleeve faces the middle section of the transmission shaft.

4. The lung training device for patients with respiratory medicine of claim 3, wherein the transmission shaft is provided with an external thread section outside the external thread section, the external thread section is connected with an internal thread sleeve by screw thread, a fixing member is further connected between the internal thread sleeve and the transmission shaft for fixing the position of the internal thread sleeve on the transmission shaft, and the internal thread sleeve is abutted against the other end of the compression spring.

5. The lung training device for patients with internal respiration as claimed in claim 1, further comprising an adjusting component, wherein the adjusting component comprises an inflating member, a second air tube and a third air tube, the mounting shaft and the mounting rod are hollow and communicated, the inner cavity of the mounting rod is communicated with the inner cavity of the air bag, one end of the mounting shaft penetrates into and is rotatably connected with the second air tube, the second air tube is communicated with the atmosphere, one end of the third air tube is connected with the second air tube, the other end of the third air tube is connected with the inflating member, the third air tube is provided with a one-way valve, and a manual valve is arranged between the joint of the second air tube and the third air tube and the end far away from the mounting shaft.

6. The lung training device for patients with respiratory medicine of claim 1, further comprising a weight unit, wherein the weight unit comprises a first screw and a weight ball, at least one first screw is fixedly installed on the shaft section of the installation shaft located outside the box body, and the first screw is in threaded connection with a plurality of weight balls.

7. The lung training device for patients with respiratory medicine of claim 1, further comprising a friction unit, wherein the friction unit comprises a long bag, the guide rod is provided with a plurality of long bags circumferentially at intervals along the length direction, the guide rod is hollow and communicated with the inner cavity of the long bag, the guide rod is connected with an inflation and deflation pipe, and the inflation and deflation pipe is provided with a manual valve.

8. The lung training device for respiratory medical patients of claim 1, wherein the housing has a viewing window mounted thereon.

9. The lung training device for respiratory medical patients as claimed in claim 1, further comprising a chest expanding unit, wherein the chest expanding unit is mounted on the first air tube, the chest expanding unit comprises a mounting sleeve, a pull rod and a tension spring, the mounting sleeve is movably sleeved on the first air tube, the pull rod is symmetrically arranged on two sides of the mounting sleeve, and a tension spring is connected between each pull rod and the mounting sleeve.

10. The lung training device for patients with respiratory medicine of claim 7, wherein a second screw rod is movably inserted into the pull rod, a limiting block is fixed at one end of the second screw rod, which is far away from the mounting sleeve, an adjusting threaded sleeve is connected onto the second screw rod in a threaded manner, one end of the extension spring is fixedly connected with the adjusting screw rod, and the other end of the extension spring is fixedly connected with the mounting sleeve.