CN217448855U - Breathing training instrument - Google Patents
Breathing training instrument Download PDFInfo
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- CN217448855U CN217448855U CN202123382346.7U CN202123382346U CN217448855U CN 217448855 U CN217448855 U CN 217448855U CN 202123382346 U CN202123382346 U CN 202123382346U CN 217448855 U CN217448855 U CN 217448855U
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Abstract
The utility model discloses a breath training appearance, include: the breathing cavity is arranged in the shell, the top of the shell is provided with a breathing opening, the bottom of the shell is provided with an air inlet, the side of the shell is provided with an air outlet, and the breathing opening, the air inlet and the air outlet are all communicated with the breathing cavity; the gas outlet sets up first one-way air-breather, sets up the tolerance adjusting part who is used for adjusting inspiratory capacity in the respiratory cavity, sets up the one-way air-breather of second on the tolerance adjusting part, and first one-way air-breather sets up in the one-way air-breather of second, and the lower part setting of tolerance adjusting part is used for driving the gear adjusting device of tolerance adjusting part motion, and gear adjusting device sets up in the bottom of shell. This respiratory training appearance simple structure, small, accessible one-hand operation, tolerance adjusting part can change the inspiratory capacity of breathing mouth, can adjust the size of impedance of breathing in according to patient's actual conditions. The gear adjusting device is arranged at the bottom of the shell, so that the gear adjusting device accords with human engineering and improves user experience.
Description
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to a breath training appearance.
Background
The people is when normally breathing in, diaphragm contraction and outer intercostal muscle shrink, when breathing in hard, still need breathe in the auxiliary muscle, for example the assistance of trapezius muscle, oblique angle muscle, the chest is wide to be lifted to the result of these muscle contractions, the thorax space enlarges to the limit, consequently need take exercise to the muscle of breathing in, the breathing training appearance adopts impedance training basic principle, the user is through the resistance that needs the strength to resist the training ware and set for when breathing in the training ware of breathing in, in order to increase the muscle strength of breathing in, borrow this to increase breathing muscle intensity and tolerance, through adjusting the adjusting device that admits air, the adjustment control air output, can carry out the training of different gears, reach corresponding training effect. The gear adjusting device of the existing breathing training instrument is arranged in the middle position, does not accord with human engineering, and influences the use experience of a user.
In summary, how to solve the problem of poor user experience is a problem to be urgently solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a breathe training appearance, this breathe training appearance's structure accords with human engineering, has improved user's use and has experienced.
In order to achieve the above object, the present invention provides the following technical solutions:
a breath training apparatus comprising: the breathing cavity is arranged in the shell, the top of the shell is provided with a breathing opening, the bottom of the shell is provided with an air inlet, the side of the shell is provided with an air outlet, and the breathing opening, the air inlet and the air outlet are all communicated with the breathing cavity;
the gas outlet sets up first one-way breather, set up the tolerance adjusting part who is used for adjusting the inspiratory capacity in the respiratory cavity, set up the one-way breather of second on the tolerance adjusting part, first one-way breather set up in the top of the one-way breather of second, the lower part of tolerance adjusting part sets up and is used for driving the gear adjusting device of tolerance adjusting part motion, gear adjusting device set up in the bottom of shell.
Preferably, a groove is formed in the side wall of the housing, the air outlet is formed in the bottom of the groove, the first one-way ventilating device comprises an expiratory valve end cover and a first one-way membrane, a first mounting protrusion is formed in the bottom of the groove, a first mounting hole matched with the first mounting protrusion is formed in the middle of the first one-way membrane, the expiratory valve end cover is inserted into the groove, and a plurality of first air holes are formed in the expiratory valve end cover.
Preferably, tolerance adjusting part includes regulating plate, rotary rod and aeration plate, the regulating plate set up in the top of rotary rod, the aeration plate laminating set up in on the regulating plate, the aeration plate with the inner wall connection of shell, the one-way breather of second set up in on the aeration plate, the face of aeration plate sets up the second ventilation hole, the radial width in second ventilation hole is followed the circumference crescent of aeration plate, the face of regulating plate sets up the third ventilation hole, the radial width in third ventilation hole with the biggest radial width in second ventilation hole is unanimous.
Preferably, the second unidirectional ventilation device is a second unidirectional film, the top surface of the ventilation plate is provided with a second mounting protrusion, and the middle part of the second unidirectional film is provided with a second mounting hole matched with the second mounting protrusion.
Preferably, gear adjusting device includes gear adjust knob, gear adjust elastic component, gear adjust clamping ring set up in the top of gear adjust elastic component, gear adjust knob set up in the bottom of gear adjust elastic component, gear adjust elastic component is compression or normal condition, the rotary rod with gear adjust knob connects, gear adjust knob with gear adjust clamping ring connects, the upper surface of gear adjust clamping ring sets up a plurality of one-way gear adjustment grooves, the lower part inner wall of shell set up decurrent, with gear adjustment groove quantity unanimous and the gear adjustment of one-to-one is protruding, the inner wall of shell sets up annular spacing arch, gear adjust knob's upper portion outer wall set up with the annular spacing groove that the annular spacing arch matches.
Preferably, one side surface of the gear adjusting groove is perpendicular to the vertical surface of the top surface of the gear adjusting pressing ring, and the other side surface of the gear adjusting groove is an inclined surface which is acute-angled with the top surface of the gear adjusting pressing ring.
Preferably, the periphery of gear adjusting clamping ring sets up a plurality of location archs, gear adjusting knob's inner wall set up with the protruding quantity in location unanimous, and the constant head tank of one-to-one.
Preferably, an air inlet grille is arranged on the bottom surface of the gear adjusting knob.
Preferably, gear numbers corresponding to the gear adjusting grooves one to one are arranged on the periphery of the gear adjusting knob.
Preferably, the bottom of the rotating rod is provided with an external thread, and the center of the bottom surface of the gear adjusting knob is provided with a threaded hole matched with the external thread.
Before respiratory training, the air quantity adjusting component is driven to move to a preset gear by driving the gear adjusting device so as to adjust the inspiratory capacity, the suction nozzle is arranged at a respiratory opening, when in use, the suction nozzle is placed in the mouth, when in inspiration, external air enters the respiratory cavity along the air inlet, meanwhile, the second one-way ventilating device is opened, the first one-way ventilating device is closed, and the external air enters a human body through the suction nozzle after passing through the air quantity adjusting component; when the respirator breathes out, the exhaled gas enters the breathing cavity along the suction nozzle, the first one-way ventilating device is opened, the second one-way ventilating device is closed, and the gas is discharged from the gas outlet.
The breathing training appearance simple structure, small that this application provided, accessible one-hand operation, tolerance adjusting part can change the inspiratory capacity of breathing mouth, can adjust the size of impedance of breathing in according to patient actual conditions. The gear adjusting device is arranged at the bottom of the shell, so that the gear adjusting device accords with human engineering and improves user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is an isometric view of a respiratory training apparatus provided by the present invention;
fig. 2 is an exploded view of the breathing training instrument provided by the present invention;
fig. 3 is an isometric view of a housing provided by the present invention;
fig. 4 is an isometric view of an exhalation valve end cap and a first one-way membrane provided by the present invention;
fig. 5 is an exploded view of the air volume adjusting assembly provided by the present invention;
fig. 6 is an exploded view of the gear adjusting device provided by the present invention;
fig. 7 is a cross-sectional view of the breath training instrument provided by the present invention.
In FIGS. 1-7:
1-a shell, 2-a gas flow adjusting component, 3-a gear adjusting device and 4-a breathing port;
11-an end cover of the expiratory valve, 111-a first vent hole, 112-a mounting projection;
12-a first unidirectional membrane, 121-a first mounting hole;
13-respiratory cavity, 131-installation convex structure; 132-installation positioning groove, 133-gear adjusting protrusion, 134-installation fixing protrusion, 135-annular limiting protrusion, 136-first installation protrusion and 137-air outlet;
21-a second one-way membrane, 211-a second mounting hole, 22-an air vent plate, 221-a mounting fixing groove, 222-a second air vent hole, 223-a second mounting protrusion, 23-an adjusting plate, 231-an external thread and 232-a third air vent hole;
31-gear adjusting press ring, 311-one-way gear adjusting groove and 312-positioning projection;
32-gear adjustment elastic member;
33-adjusting knob, 331-air inlet grille, 332-positioning groove, 333-threaded hole, 334-annular limiting groove and 335-gear number.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a breathe training appearance, the structure of this breathing training appearance accords with human engineering, has improved user's use and has experienced.
Referring to fig. 1 to 7, a respiratory training apparatus includes: the breathing device comprises a shell 1, wherein a breathing cavity 13 is arranged in the shell 1, a breathing opening 4 is arranged at the top of the shell 1, an air inlet is arranged at the bottom of the shell, an air outlet 137 is arranged at the side part of the shell 1, and the breathing opening 4, the air inlet and the air outlet 137 are all communicated with the breathing cavity 13;
It should be noted that the casing 1 is a cylindrical casing, and certainly, may also be a square column casing, and the breathing cavity 13 that is set up in the casing 1 is used for the gas flow, and can use after setting up the suction nozzle on the breathing mouth 4, puts into the mouth with the suction nozzle and inhales or exhales during the use. The mouthpiece of the existing breathing training instrument can not be replaced, thus bringing the problems of sanitation and the like. In order to solve the above problem, it is preferable that the outer circumference of the mouthpiece 4 is provided with a mounting projection structure 131 adapted to the mouthpiece, the mouthpiece is detachably mounted on the mouthpiece 4 through the mounting projection structure 131, and the sanitary problem can be solved by exchanging the mouthpiece.
Before respiratory training, the air volume adjusting component 2 is driven to move to a preset gear by the driving gear adjusting device 3 to adjust the inspiratory capacity, the suction nozzle is arranged on the respiratory opening 4, when the suction nozzle is used, the suction nozzle is placed in the mouth, external air enters the respiratory cavity 13 along the air inlet when breathing in, meanwhile, the second one-way ventilating device is opened, the first one-way ventilating device is closed, and the external air passes through the air volume adjusting component 2 and then enters a human body through the suction nozzle; when the respirator exhales, the exhaled air enters the breathing cavity 13 along the suction nozzle, meanwhile, the first one-way ventilating device is opened, the second one-way ventilating device is closed, and the air is exhausted from the air outlet 137.
The breathing training appearance simple structure, small that this application provided, accessible one-hand operation, tolerance adjusting part 2 can change the inspiratory capacity of mouth of respiration 4, can adjust the size of impedance of breathing in according to patient's actual conditions. The gear adjusting device 3 is arranged at the bottom of the shell 1, so that the gear adjusting device accords with human engineering and improves user experience.
On the basis of the above embodiment, as a further preferable preference, a groove is arranged on the side wall of the housing 1, the air outlet 137 is arranged on the bottom of the groove, the first unidirectional ventilation device includes the exhalation valve end cover 11 and the first unidirectional film 12, the bottom of the groove is provided with the first mounting protrusion 136, the middle part of the first unidirectional film 12 is provided with the first mounting hole 121 mounted in match with the first mounting protrusion 136, the exhalation valve end cover 11 is inserted into the groove, and the exhalation valve end cover 11 is provided with the plurality of first ventilation holes 111. The groove is a circular groove or a square groove, the shape of the expiratory valve end cover 11 is matched with that of the groove, the expiratory valve end cover 11 is of a cylinder structure, the installation protrusion 112 is arranged on the periphery of the expiratory valve, the installation positioning groove 132 is arranged on the inner wall of the groove, the installation positioning groove 132 is in an L shape, the expiratory valve is inserted from an outer end opening of the installation positioning groove 132, and when the installation protrusion moves 112 to a bending position of the installation positioning groove 132, the installation can be completed by rotating the expiratory valve end cover 11. The air outlet 137 is formed in the bottom of the groove, when air is sucked, external air can enter the groove along the first vent hole 111, the first one-way membrane 12 is pressed on the air outlet 137, and the external air is prevented from being sucked in from the air outlet 137.
The gas hole setting of the air inlet adjusting device of the existing breathing training instrument is arranged on the side face, so that the die sinking difficulty and the processing production cost are increased.
In order to solve the above problem, on the basis of the above embodiment, as a further preferred option, the air volume adjusting assembly 2 includes an adjusting plate 23, a rotating rod and a ventilation plate 22, the adjusting plate 23 is disposed at the top of the rotating rod, the ventilation plate 22 is disposed on the adjusting plate 23 in an attaching manner, the ventilation plate 22 is connected to the inner wall of the housing 1, the second one-way ventilation device is disposed on the ventilation plate 22, the second ventilation hole 222 is disposed on the surface of the ventilation plate 22, the radial width of the second ventilation hole 222 gradually increases along the circumferential direction of the ventilation plate 22, the third ventilation hole 232 is disposed on the surface of the adjusting plate 23, and the radial width of the third ventilation hole 232 is consistent with the maximum radial width of the second ventilation hole 222. The adjusting plate 23 and the rotating rod can rotate synchronously, the position of the air-permeable plate 22 relative to the housing 1 is fixed, preferably, the periphery of the air-permeable plate 22 is provided with a mounting fixing groove 221, and the inner wall of the housing 1 is provided with a mounting fixing protrusion 134 matching with the mounting fixing groove 221. The adjusting plate 23 is attached to the vent plate 22 to improve the sealing performance.
The adjusting plate 23 is provided with two third vent holes 232, the two third vent holes 232 are fan-shaped, the two third vent holes 232 are symmetrically arranged along the center of the adjusting plate 23, and the outer arc and the inner arc of the third vent holes 232 are parallel to the outer arc of the adjusting plate 23. The second vent hole 222 is a stepped fan-shaped air inlet hole, the second vent hole 222 extends in a direction parallel to the circumferential direction of the adjusting plate 23, the radial width of the second vent hole 222 in the extending direction gradually decreases, and the second vent hole 222 is disposed on a half plate surface of the adjusting plate 23.
When adjusting the inspiratory capacity, the rotary rod rotates under gear adjusting device 3's drive, drives regulating plate 23 simultaneously and rotates, and regulating plate 23 pivoted in-process makes one of them third ventilation hole 232 can correspond the different positions of second ventilation hole 222 to communicate mouth of respiration 4 and air inlet, and can adjust the inspiratory capacity. The air quantity adjusting assembly 2 provided by the embodiment ensures good sealing performance, adjusting accuracy and low processing cost.
In addition to the above-mentioned embodiment, it is further preferable that the second unidirectional aeration device is a second unidirectional film 21, the top surface of the aeration plate 22 is provided with a second mounting protrusion 223, and the middle part of the second unidirectional film 21 is provided with a second mounting hole 211 which is matched with the second mounting protrusion 223. The center of the second unidirectional film 21 is fixed, when breathing in, the circumference of the second unidirectional film 21 is lifted by the inhaled air to achieve the aim of ventilation, and when breathing out, the exhaled air presses the second unidirectional film 21 on the top surface of the ventilation plate 22.
The existing breathing training instrument utilizes a spring as a balancing device for adjusting air inflow, but due to the fact that supply batches are different and the spring is used, the condition of inaccurate air inflow adjustment can be caused, and quality control is difficult to control.
In order to solve the above problem, on the basis of the above embodiment, as a further preferred, the gear adjusting device 3 comprises a gear adjusting knob 33, a gear adjusting elastic member 32, gear adjustment clamping ring 31, gear adjustment clamping ring 31 sets up in gear adjustment elastic component 32's top, gear adjustment knob 33 sets up in gear adjustment elastic component 32's bottom, gear adjustment elastic component 32 is compression or normal condition, the rotary rod is connected with gear adjustment knob 33, gear adjustment knob 33 is connected with gear adjustment clamping ring 31, gear adjustment clamping ring 31's upper surface sets up a plurality of one-way gear adjustment grooves 311, shell 1's lower part inner wall sets up downwards, gear adjustment protruding 133 with gear adjustment groove quantity unanimity and one-to-one, shell 1's inner wall sets up annular spacing 135, gear adjustment knob 33's upper portion outer wall sets up the annular spacing groove 334 that matches with annular spacing 135.
The gear adjusting elastic piece 32 is an adjusting spring, the gear adjusting protrusions 133 are correspondingly clamped into the one-way gear adjusting grooves 311 one by one, so that the gear adjusting protrusions 133 can only be separated from the gear adjusting grooves along the clockwise rotation direction or the counterclockwise rotation direction when the gear adjusting press ring 31 rotates, and when the gear adjusting press ring rotates to the next gear, all the gear adjusting protrusions 133 are just clamped into the next one-way gear adjusting groove 311.
The adjusting knob 33 cannot move axially under the matching limit of the annular limiting groove 334 and the annular limiting protrusion 135, and can only rotate clockwise or counterclockwise. The adjusting knob 33 can synchronously drive the rotating rod and the gear adjusting press ring 31 to rotate when rotating, and when the adjusting knob 33 rotates to different gears, the third vent hole 232 corresponds to different positions of the second vent hole 222, so that the ventilation volume is changed. When the gear adjusting protrusion 133 is disengaged from the one-way gear adjusting groove 311, the gear adjusting elastic member 32 is compressed or further compressed, and when the gear adjusting protrusion 133 corresponds to the next one-way gear adjusting groove 311, the elastic member releases elastic potential energy to press the gear adjusting protrusion 133 into the one-way gear adjusting groove 311, so as to complete gear adjustment.
Because gear adjusting device 3 has set up one-way gear adjustment groove 311 and gear and has adjusted elastic component 32, guaranteed the accuracy of gear adjustment, provided good damping simultaneously and felt, can make the user obtain better use and experience.
On the basis of the above embodiment, as a further preferred, one side surface of the gear adjusting groove is a vertical surface perpendicular to the top surface of the gear adjusting pressing ring 31, and the other side surface of the gear adjusting groove is an inclined surface forming an acute angle with the top surface of the gear adjusting pressing ring 31. When gear adjusting press ring 31 rotates, gear adjusting protrusion 133 can only be disengaged from one-way gear adjusting groove 311 along the inclined plane, and when rotating in the other direction, the vertical surface can block gear adjusting protrusion 133, so that gear adjusting protrusion 133 is prevented from disengaging from one-way gear adjusting groove 311.
On the basis of the above embodiment, as a further preferred option, the periphery of the gear adjusting press ring 31 is provided with a plurality of positioning protrusions 312, and the inner wall of the gear adjusting knob 33 is provided with positioning grooves 332 which are consistent in number with the positioning protrusions 312 and are in one-to-one correspondence. The protruding 312 quantity in location is four, evenly distributed around the gear adjusting pressure ring 31, and the quantity of constant head tank 332 is four, evenly distributed in the inner wall of shell 1, and the protruding 312 one-to-one in location is gone into constant head tank 332, makes the unable relative adjust knob 33 rotation of gear adjusting pressure ring 31.
In addition to the above embodiments, it is further preferable that an intake grill 331 is provided on the bottom surface of the shift knob 33. Because when breathing in, outside air enters the breathing cavity 13 along the air inlet, the arrangement of the air inlet grille 331 on the bottom surface of the gear adjusting knob 33 can not only ensure the smoothness of air inlet, but also reduce the sundries entering the breathing cavity 13 when breathing in.
In addition to the above embodiments, it is further preferable that the gear position adjusting knob 33 be provided with gear position numbers 335 on the outer circumference thereof, which correspond to the gear position adjusting grooves one to one. The gear numbers 335 are arranged along the circumferential direction of the outer circumference of the gear adjustment knob 33, and a recess is provided at a position corresponding to each number to increase the frictional force.
In addition to the above-mentioned embodiments, it is further preferable that the bottom of the rotating rod is provided with an external thread 231, and the center of the bottom surface of the shift position adjusting knob 33 is provided with a threaded hole 333 matching with the external thread 231. This embodiment is convenient for dismouting and processing, and the cost is lower.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The respiratory training instrument provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. A breath training apparatus, comprising: the breathing device comprises a shell (1), wherein a breathing cavity (13) is arranged in the shell (1), a breathing opening (4) is formed in the top of the shell (1), an air inlet is formed in the bottom of the shell, an air outlet (137) is formed in the side part of the shell, and the breathing opening (4), the air inlet and the air outlet (137) are communicated with the breathing cavity (13);
gas outlet (137) set up first one-way breather, set up air regulation subassembly (2) that are used for adjusting the volume of breathing in breathing chamber (13), set up the one-way breather of second on air regulation subassembly (2), first one-way breather set up in the top of the one-way breather of second, the lower part setting of air regulation subassembly (2) is used for driving gear adjusting device (3) of air regulation subassembly (2) motion, gear adjusting device (3) set up in the bottom of shell (1).
2. The breathing training apparatus according to claim 1, wherein a groove is formed in the side wall of the housing (1), the air outlet (137) is formed in the bottom of the groove, the first one-way ventilation device comprises an exhalation valve end cover (11) and a first one-way membrane (12), a first mounting protrusion (136) is formed in the bottom of the groove, a first mounting hole (121) matched with the first mounting protrusion (136) is formed in the middle of the first one-way membrane (12), the exhalation valve end cover (11) is inserted into the groove, and a plurality of first ventilation holes (111) are formed in the exhalation valve end cover (11).
3. The breathing training instrument according to claim 2, wherein the air flow adjusting assembly (2) comprises an adjusting plate (23), a rotating rod and an air ventilation plate (22), the adjusting plate (23) is arranged at the top of the rotating rod, the air ventilation plate (22) is arranged on the adjusting plate (23) in a fitting manner, the air ventilation plate (22) is connected with the inner wall of the housing (1), the second one-way ventilation device is arranged on the air ventilation plate (22), a second ventilation hole (222) is arranged on the surface of the air ventilation plate (22), the radial width of the second ventilation hole (222) is gradually increased along the circumferential direction of the air ventilation plate (22), a third ventilation hole (232) is arranged on the surface of the adjusting plate (23), and the radial width of the third ventilation hole (232) is consistent with the maximum radial width of the second ventilation hole (222).
4. The breathing training instrument of claim 3, wherein the second one-way ventilation device is a second one-way membrane (21), the top surface of the ventilation plate (22) is provided with a second mounting protrusion (223), and the middle part of the second one-way membrane (21) is provided with a second mounting hole (211) matched with the second mounting protrusion (223).
5. The respiratory training instrument according to claim 3, wherein the gear adjusting device (3) comprises a gear adjusting knob (33), a gear adjusting elastic member (32) and a gear adjusting pressing ring (31), the gear adjusting pressing ring (31) is arranged at the top of the gear adjusting elastic member (32), the gear adjusting knob (33) is arranged at the bottom of the gear adjusting elastic member (32), the gear adjusting elastic member (32) is compressed or in a normal state, the rotating rod is connected with the gear adjusting knob (33), the gear adjusting knob (33) is connected with the gear adjusting pressing ring (31), a plurality of one-way gear adjusting grooves (311) are arranged on the upper surface of the gear adjusting pressing ring (31), the inner wall of the lower part of the shell (1) is provided with downward gear adjusting protrusions (133) which are consistent in number and correspond to one another in number, the inner wall of shell (1) sets up annular spacing arch (135), the upper portion outer wall setting of gear adjust knob (33) with annular spacing groove (334) that annular spacing arch (135) match.
6. The breathing training instrument of claim 5, wherein one side surface of the gear adjusting groove is a vertical surface perpendicular to the top surface of the gear adjusting press ring (31), and the other side surface of the gear adjusting groove is an inclined surface which forms an acute angle with the top surface of the gear adjusting press ring (31).
7. The breathing training instrument of claim 5, wherein a plurality of positioning protrusions (312) are arranged on the periphery of the gear adjusting press ring (31), and positioning grooves (332) which are consistent in number and in one-to-one correspondence with the positioning protrusions (312) are arranged on the inner wall of the gear adjusting knob (33).
8. The breath training apparatus as claimed in claim 5, wherein an air inlet grill (331) is provided on a bottom surface of the gear adjustment knob (33).
9. The breathing training apparatus as claimed in claim 5, wherein the gear adjusting knob (33) is provided at its outer circumference with gear numbers (335) corresponding to the gear adjusting grooves one by one.
10. The breath training instrument according to claim 5, wherein the bottom of the rotating rod is provided with an external thread (231), and the center of the bottom surface of the gear adjusting knob (33) is provided with a threaded hole (333) matched with the external thread (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382346.7U CN217448855U (en) | 2021-12-29 | 2021-12-29 | Breathing training instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123382346.7U CN217448855U (en) | 2021-12-29 | 2021-12-29 | Breathing training instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217448855U true CN217448855U (en) | 2022-09-20 |
Family
ID=83262203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123382346.7U Active CN217448855U (en) | 2021-12-29 | 2021-12-29 | Breathing training instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217448855U (en) |
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2021
- 2021-12-29 CN CN202123382346.7U patent/CN217448855U/en active Active
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