CN215195122U

CN215195122U - Protective hood capable of automatically adjusting oxygen inlet speed

Info

Publication number: CN215195122U
Application number: CN202120892468.1U
Authority: CN
Inventors: 熊振天; 陈中书; 张齐龙; 雷雅婷
Original assignee: Jiangxi Chest Hospital
Current assignee: Jiangxi Chest Hospital
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-17
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an automatic adjust protection hood that oxygen lets in speed, including the casing, its characterized in that: the downside welded fastening of casing has the oxygen pipe, the inboard fixed mounting of casing has the cabin of ventilating, the inboard fixed mounting in cabin of ventilating has axis of rotation one, the outside swing joint of axis of rotation one has ventilating fan, the right-hand member fixed mounting in cabin of ventilating has exhaust fan, exhaust fan's center fixed mounting has axis of rotation two, the left end fixed mounting of axis of rotation two has belt pulley one, the lower extreme swing joint in cabin of ventilating has axis of rotation three, the right-hand member fixed mounting of axis of rotation three has belt pulley two, belt pulley two is connected with belt pulley belt, the left end fixed mounting of axis of rotation three has bevel gear one, the inboard lower extreme welded fastening in cabin of ventilating has the fixed block, the utility model discloses, have the characteristics that the practicality is strong and automatically regulated oxygen content.

Description

Protective hood capable of automatically adjusting oxygen inlet speed

Technical Field

The utility model relates to the technical field of medical machinery, in particular to a protective hood capable of automatically adjusting the oxygen introducing speed.

Background

The oxygen mask is a device for transferring oxygen from a storage tank to the lung of a human body, mainly comprises medical oxygen masks, civil aviation oxygen masks and the like, and plays an important role in assisting in treating diseases and protecting safety of passengers.

The existing oxygen mask is too simple, the oxygen output quantity needs to be adjusted manually to meet the requirements of a human body, and serious consequences are caused because a patient cannot adjust the oxygen content in time due to insufficient oxygen inhalation in the medical process, so that the design of the protective hood with strong practicability and capable of automatically adjusting the oxygen introducing speed is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatically regulated oxygen lets in protection hood of speed to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an automatically regulated oxygen lets in protection hood of speed, includes the casing, its characterized in that: the aerobic tube is fixedly welded on the lower side of the shell, the ventilation cabin is fixedly mounted on the inner side of the shell, a first rotating shaft is fixedly mounted on the inner side of the ventilation cabin, a ventilation fan is movably connected to the outer side of the first rotating shaft, an exhaust fan is fixedly mounted on the right end of the ventilation cabin, a second rotating shaft is fixedly mounted at the center of the exhaust fan, a first belt pulley is fixedly mounted at the left end of the second rotating shaft, a third rotating shaft is movably connected to the lower end of the ventilation cabin, a second belt pulley is fixedly mounted at the right end of the third rotating shaft, the second belt pulley is connected with a first belt pulley, a first bevel gear is fixedly mounted at the left end of the third rotating shaft, a fixed block is fixedly welded on the lower end of the inner side of the ventilation cabin, a fifth rotating shaft is movably connected to the inner side of the fixed block, a second bevel gear is fixedly mounted at the lower end of the fifth rotating shaft, and the second bevel gear is meshed with the first bevel gear, and the upper end of the rotating shaft V is fixedly provided with a limiting fan, and the lower end of the inner side of the ventilation cabin is movably connected with an adjusting rod.

According to the technical scheme, the lower end of the outer side of the air exchange cabin is fixedly welded with the pressure groove, the inner side of the pressure groove is fixedly provided with the pressure spring, the inner side of the pressure groove is fixedly provided with the pressure air bag, and the pressure air bag is fixedly connected with the outer side of the adjusting rod.

According to the technical scheme, one side of the ventilation cabin is fixedly connected with a liquid discharge pipe, the lower end of the liquid discharge pipe is fixedly provided with a liquid storage tank, the middle of the liquid discharge pipe is fixedly connected with a one-way groove, the lower end of the one-way groove is fixedly provided with a one-way spring, and the upper end of the one-way spring is fixedly provided with a one-way ball.

According to the technical scheme, the upper group of exhaust check blocks and the lower group of exhaust check blocks are fixedly mounted at the right end of the inner side of the ventilation cabin, the exhaust shafts are fixedly mounted on the right sides of the exhaust check blocks, the exhaust plates are movably connected to the outer sides of the exhaust shafts, the exhaust springs are fixedly connected to the right sides of the exhaust plates, and one ends of the exhaust springs are fixedly connected with the ventilation cabin.

According to the technical scheme, the lower end of the inner side of the ventilation cabin is fixedly provided with a rotating shaft four, the outer side of the rotating shaft four is movably connected with a belt pulley three, the belt pulley three is in belt transmission with a belt pulley, and the left side of the belt pulley three is fixedly provided with an oxygen supply fan.

According to the technical scheme, a headband is fixedly mounted on one side of the shell and made of fibers.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model is characterized in that the utility model,

(1) the ventilation fan is in transmission connection with the adjusting rod, so that the oxygen inlet amount in the shell can be controlled according to the breathing condition of a patient, medical accidents caused by untimely adjustment are avoided, and the consumption of oxygen is saved;

(2) by the movement of the gas in the pressure air bag, the adjusting rod can not fall down too fast when a patient inhales, the large change of the oxygen inlet amount in the shell is influenced, the buffering effect is achieved, and the oxygen inhalation effect of the patient is improved;

(3) through the cooperation that is provided with one-way groove and one-way ball, can reach the steam of discharge patient's exhalation to prevent that external gas from passing through the fluid-discharge tube lower extreme and getting into in the casing, improve the air quality in the casing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall front structure of the present invention;

fig. 2 is a schematic side sectional view of the present invention;

fig. 3 is an enlarged schematic view of the region a of the present invention;

in the figure: 1. a housing; 2. a headband; 3. an oxygen tube; 4. a ventilation cabin; 5. rotating a first shaft; 6. a ventilation fan; 7. an exhaust fan; 8. a second rotating shaft; 9. a first belt pulley; 10. a second belt pulley; 11. a third rotating shaft; 12. rotating the shaft four; 13. a third belt pulley; 14. an oxygen supply fan; 15. adjusting a rod; 16. a pressure bladder; 17. a pressure spring; 18. a pressure tank; 19. a liquid discharge pipe; 20. a liquid storage tank; 21. a one-way slot; 22. a one-way ball; 23. a one-way spring; 24. a first bevel gear; 25. a second bevel gear; 26. rotating a shaft five; 27. a fixed block; 28. a limiting fan; 29. an exhaust plate; 30. an exhaust spring; 31. an exhaust shaft; 32. and an exhaust stop block.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatically regulated oxygen lets in protection hood of speed, includes casing 1, its characterized in that: an oxygen pipe 3 is fixedly welded on the lower side of a shell 1, a ventilation cabin 4 is fixedly installed on the inner side of the shell 1, a first rotating shaft 5 is fixedly installed on the inner side of the ventilation cabin 4, a ventilation fan 6 is movably connected on the outer side of the first rotating shaft 5, an exhaust fan 7 is fixedly installed on the right end of the ventilation cabin 4, a second rotating shaft 8 is fixedly installed in the center of the exhaust fan 7, a first belt pulley 9 is fixedly installed on the left end of the second rotating shaft 8, a third rotating shaft 11 is movably connected on the lower end of the ventilation cabin 4, a second belt pulley 10 is fixedly installed on the right end of the third rotating shaft 11, the second belt pulley 10 is in belt connection with the first belt pulley 9, a first bevel gear 24 is fixedly installed on the left end of the third rotating shaft 11, a fixed block 27 is fixedly welded on the lower end of the inner side of the ventilation cabin 4, a fifth rotating shaft 26 is movably connected on the inner side of the fixed block 27, a second bevel gear 25 is fixedly installed on the lower end of the fifth rotating shaft 26, and the bevel gear 25 is in meshing transmission with the first bevel gear 24, the upper end of the rotating shaft five 26 is fixedly provided with a limiting fan 28, the lower end of the inner side of the ventilation cabin 4 is movably connected with an adjusting rod 15, when a patient wears a mask, carbon dioxide gas is exhaled to the ventilation cabin 4, the ventilation fan 6 in the ventilation cabin 4 rotates anticlockwise under the action of gas pressure, the ventilation fan 6 rotates to discharge gas to the right end of the ventilation cabin 4, the exhaust fan 7 rotates under the action of pressure of the discharged gas to drive the belt pulley one 9 on the rotating shaft two 8 to rotate, the belt pulley two 10 rotates along with the belt pulley one 9 due to belt transmission of the belt pulley one 9 and the belt pulley two 10, the belt pulley two 10 is fixedly connected with the rotating shaft three 11 to drive the bevel gear one 24 on the rotating shaft three 11 to rotate, the bevel gear one 24 is meshed with the bevel gear two 25 to drive the limiting fan 28 on the rotating shaft five 26 to rotate, and the limiting fan 28 generates gas pressure upwards on the adjusting rod 15 to enable the adjusting rod 15 to move upwards, the clearance between the inclined plane at the lower end of the adjusting rod 15 and the oxygen tube 3 is gradually increased, when the oxygen supply of the patient is sufficient and the breathing is smooth, the gas pressure of the exhaled gas to the ventilation fan 6 is smaller, the rotating speed of the ventilation fan 6 is slower, the rotating speed of the limiting fan 28 is slower through transmission, the gas pressure generated by the adjusting rod 15 is smaller, the distance of the upward movement of the adjusting rod 15 is smaller, the clearance between the adjusting rod 15 and the oxygen tube 3 is smaller, the oxygen passing amount is less, when the oxygen supply of the patient is insufficient and the breathing is rapid, the gas pressure of the exhaled gas to the ventilation fan 6 is larger, the rotating speed of the ventilation fan 6 is faster, the rotating speed of the limiting fan 28 is faster through transmission, the gas pressure generated by the adjusting rod 15 is larger, the distance of the upward movement of the adjusting rod 15 is larger, the clearance between the adjusting rod 15 and the oxygen tube 3 is larger, the oxygen passing amount is more, so that the oxygen in the shell 1 can automatically adjust the oxygen content along with the breathing speed of the patient, medical accidents caused by untimely adjustment are avoided;

a pressure groove 18 is welded and fixed at the lower end of the outer side of the ventilation cabin 4, a pressure spring 17 is fixedly arranged at the inner side of the pressure groove 18, a pressure air bag 16 is fixedly arranged at the inner side of the pressure groove 18, the pressure air bag 16 is fixedly connected with the outer side of the adjusting rod 15, when the patient exhales, the limit fan 28 rotates to generate gas pressure on the adjusting rod 15 to move upwards, the pressure air bag 16 in the pressure groove 18 is influenced by the elastic force of the pressure spring 17, the gas in the pressure air bag 16 in the pressure groove 18 enters the pressure air bag 16 part inside the ventilation cabin 4, when the patient inhales, the gas pressure generated on the adjusting rod 15 by the reduction of the rotating speed of the limit fan 28 is reduced, and the adjusting rod 15 moves downwards under the influence of gravity, so that the gas in the pressure air bag 16 is in the inner part of the ventilation chamber 4, the downward movement of the adjusting rod 15 is buffered, and the phenomenon that the oxygen inhalation effect of the patient is influenced because the adjusting rod 15 descends too fast is prevented;

a liquid discharge pipe 19 is fixedly connected to one side of the ventilation cabin 4, a liquid storage tank 20 is fixedly installed at the lower end of the liquid discharge pipe 19, a one-way groove 21 is fixedly connected to the middle part of the liquid discharge pipe 19, a one-way spring 23 is fixedly installed at the lower end of the one-way groove 21, a one-way ball 22 is fixedly installed at the upper end of the one-way spring 23, when a patient exhales, water mist is generated in the ventilation cabin 4 and flows into the bottom of the inner side of the ventilation cabin 4 to be collected, when the adjusting rod 15 moves upwards to the notch of the liquid discharge pipe 19, water flows to the liquid storage tank 20 through the liquid discharge pipe, when the water flow flows to the one-way groove 21, pressure is generated on the one-way ball 22, the one-way spring 23 is forced to contract, the one-way ball 22 moves downwards, the water flow passes through, and under the normal state, the one-way ball 22 is influenced by the elastic force of the one-way spring 23 to contact with the top of the one-way groove 21, so that outside air is prevented from entering the shell 1 through the lower end of the liquid discharge pipe, and is convenient for collecting and discharging the water mist exhaled by the patient in the shell 1, improving the air quality in the shell 1;

the right end of the inner side of the ventilation cabin 4 is fixedly provided with an upper group of exhaust stop blocks 32 and a lower group of exhaust stop blocks 32, the right sides of the two groups of exhaust stop blocks 32 are fixedly provided with exhaust shafts 31, the outer sides of the two groups of exhaust shafts 31 are movably connected with exhaust plates 29, the right sides of the two groups of exhaust plates 29 are fixedly connected with exhaust springs 30, one ends of the two groups of exhaust springs 30 are fixedly connected with the ventilation cabin 4, when a patient exhales air, the exhaust fan 7 rotates to discharge the air outwards, the exhaust plates 29 are stressed to rotate around the exhaust shafts to open outwards, when the patient inhales air, the exhaust plates 29 rebound under the influence of the elastic force of the exhaust springs 30, and stop rotating when encountering the exhaust stop blocks 32, the exhaust plates 29 on the two sides are closed to prevent external air from entering the shell 1, and prevent the external air from influencing the respiratory quality of the patient;

a rotating shaft four 12 is fixedly installed at the lower end of the inner side of the ventilation cabin 4, a belt pulley three 13 is movably connected to the outer side of the rotating shaft four 12, the belt pulley three 13 is in belt transmission with a belt pulley one 9, an oxygen supply fan 14 is fixedly installed on the left side of the belt pulley three 13, when oxygen enters the shell 1 through the oxygen tube 3, the ventilation fan 6 rotates and drives the oxygen supply fan 14 to rotate through the transmission of the belt pulley one 9 and the belt pulley three 13, so that the oxygen is blown to the mouth and nose of a patient, the oxygen inhalation of the patient is facilitated, and the efficiency is improved;

one side fixed mounting of casing 1 has bandeau 2, and the material of bandeau 2 is fibre, and bandeau 2 is fibre material and has better elasticity and wear comfortablely.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatically regulated oxygen lets in protection hood of speed, includes casing (1), its characterized in that: the aerobic tube (3) is fixedly welded on the lower side of the shell (1), the air exchange chamber (4) is fixedly mounted on the inner side of the shell (1), a first rotating shaft (5) is fixedly mounted on the inner side of the air exchange chamber (4), a first ventilating fan (6) is movably connected on the outer side of the first rotating shaft (5), an exhaust fan (7) is fixedly mounted on the right end of the air exchange chamber (4), a second rotating shaft (8) is fixedly mounted at the center of the exhaust fan (7), a first belt pulley (9) is fixedly mounted on the left end of the second rotating shaft (8), a third rotating shaft (11) is movably connected on the lower end of the air exchange chamber (4), a second belt pulley (10) is fixedly mounted on the right end of the third rotating shaft (11), the second belt pulley (10) is connected with a first belt pulley (9), and a first bevel gear (24) is fixedly mounted on the left end of the third rotating shaft (11), the inboard lower extreme welded fastening of chamber of ventilating (4) has fixed block (27), the inboard swing joint of fixed block (27) has axis of rotation five (26), the lower extreme fixed mounting of axis of rotation five (26) has bevel gear two (25), bevel gear two (25) and bevel gear one (24) meshing transmission, the upper end fixed mounting of axis of rotation five (26) has spacing fan (28), the inboard lower extreme swing joint of chamber of ventilating (4) has regulation pole (15).

2. A protective headgear for automatic adjustment of oxygen delivery rate as claimed in claim 1, wherein: the outer side lower end of the ventilation cabin (4) is welded and fixed with a pressure groove (18), the inner side of the pressure groove (18) is fixedly provided with a pressure spring (17), the inner side of the pressure groove (18) is fixedly provided with a pressure air bag (16), and the pressure air bag (16) is fixedly connected with the outer side of the adjusting rod (15).

3. A protective hood for automatic oxygen flow rate adjustment as claimed in claim 2, wherein: one side fixedly connected with fluid-discharge tube (19) of room (4) of ventilating, the lower extreme fixed mounting of fluid-discharge tube (19) has liquid storage tank (20), the middle part fixedly connected with one-way groove (21) of fluid-discharge tube (19), the lower extreme fixed mounting of one-way groove (21) has one-way spring (23), the upper end fixed mounting of one-way spring (23) has one-way ball (22).

4. A protective hood for automatic oxygen flow rate adjustment as claimed in claim 3, wherein: the ventilation cabin is characterized in that an upper set of exhaust stop blocks (32) and a lower set of exhaust stop blocks (32) are fixedly mounted at the right end of the inner side of the ventilation cabin (4), and the exhaust stop blocks are two sets of exhaust shafts (31) and exhaust plates (29) are fixedly mounted on the right sides of the exhaust stop blocks (32) and are two sets of exhaust springs (30) and exhaust springs (30) are fixedly connected on the right sides of the exhaust plates (29) and are two sets of exhaust springs (30) and the ventilation cabin (4).

5. A self-regulating oxygen delivery mask as claimed in claim 4, wherein: the inboard lower extreme fixed mounting of ventilative cabin (4) has axis of rotation four (12), the outside swing joint of axis of rotation four (12) has belt pulley three (13), belt pulley three (13) and belt pulley one (9) belt drive, the left side fixed mounting of belt pulley three (13) has oxygen suppliment fan (14).

6. A self-regulating oxygen delivery mask as claimed in claim 5, wherein: one side fixed mounting of casing (1) has bandeau (2), the material of bandeau (2) is fibre.