CN220588727U

CN220588727U - Gas humidifying device for breathing machine

Info

Publication number: CN220588727U
Application number: CN202320484487.XU
Authority: CN
Inventors: 李柏霖
Original assignee: Lianyungang Maternal And Child Health Hospital (lianyungang Third People's Hospital)
Current assignee: Lianyungang Maternal And Child Health Hospital (lianyungang Third People's Hospital)
Priority date: 2023-03-14
Filing date: 2023-03-14
Publication date: 2024-03-15
Anticipated expiration: 2033-03-14

Abstract

The utility model discloses a gas humidifying device for a breathing machine; the automatic humidifying device comprises a humidifying cylinder, wherein the upper part of the humidifying cylinder is connected with an upper cover, an air inlet pipe is arranged on the upper cover in a penetrating manner, the bottom end of the air inlet pipe is positioned in the humidifying cylinder, a pressing cover is arranged at the upper end part of the air inlet pipe, a filter screen is arranged on the end surface of the pressing cover, one side of the upper end of the air inlet pipe is communicated with an oxygen pipe, a filter element is arranged in the air inlet pipe, and a duckbill valve is arranged between the air inlet pipe and the pressing cover; the inside of the humidifying cylinder is stored with glucose solution or physiological saline, the upper end of one side of the humidifying cylinder is communicated with an exhaust pipe, the other end of the exhaust pipe is communicated with an air pump, and the other end of the air pump is connected with a detection air pipe; the utility model not only realizes the mixing of the air and the oxygen and reduces the oxygen concentration, but also can realize the filtration, humidification and tilting of the air and the oxygen transmission by auxiliary power, thereby being convenient for realizing auxiliary respiration and maintaining the tightness.

Description

Gas humidifying device for breathing machine

Technical Field

The utility model belongs to the technical field of respirators, and particularly relates to a gas humidifying device for a respirator.

Background

In modern clinical medicine, a respirator is used as an effective means capable of replacing autonomous ventilation by manpower, is widely used for respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support treatment and emergency resuscitation, and occupies a very important position in the field of modern medicine. The breathing machine is a vital medical device capable of preventing and treating respiratory failure, reducing complications, saving and prolonging the life of a patient, when auxiliary oxygen supply is used, air and oxygen are required to be mixed, humidification and cleaning of the air and the oxygen are realized, so that a humidification mechanism is required, and various humidification mechanisms on the market still have various problems.

The utility model discloses an oxygen uptake humidifier like that the authority bulletin number is CN106178218A, it has realized that the product oxygen uptake feels comfortable, can adjust oxygen transmission rate, the humidification effect is good, long service life, sealed effectual, be convenient for fix, but when not solving current air-oxygen mixing, filter the air, the effectual impurity of air to and alleviate the washing to the air, and realize auxiliary power and carry, solve the weak, dyspnea scheduling problem of old person's breathing power, for this we propose a gas humidification device for breathing machine.

Disclosure of Invention

The utility model aims to provide a gas humidifying device for a breathing machine, wherein the end part of an air inlet pipe is connected with a duckbill valve, a pressing cover and a filter screen, so that the air humidifying device can inhale external air, realize mixing with oxygen input from an oxygen pipe, prevent direct oxygen supply and cause too high oxygen content, filter impurities in the external air by setting the filter screen and a filter core, improve the safety of breathing, and prevent leakage of oxygen supply during expiration by setting the duckbill valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gas humidifying device for breathing machine, including the humidification section of thick bamboo, the upper portion of humidification section of thick bamboo is connected with the upper cover, the upper cover is last to run through and is installed the intake pipe, the bottom of intake pipe is in the inside of humidification section of thick bamboo, the upper end of intake pipe is installed the pressfitting lid, the terminal surface of pressfitting lid is fixed to be equipped with the filter screen, upper end one side intercommunication of intake pipe has the oxygen pipe, the oxygen pipe communicates with external oxygen pump or oxygen pipeline, realizes carrying oxygen, the inside middle-end of intake pipe is fixed with the spacing ring, install the filter core on the spacing ring, the filter core sets up the inside of intake pipe, intake pipe with fixed mounting has the duckbill valve between the pressfitting lid, through the upper cover makes the humidification section of thick bamboo can form airtight space, is convenient for carry out the supplementary oxygen suppliment, the end connection of intake pipe has duckbill valve and pressfitting lid and filter screen, realizes inhaling external air, realizes mixing with the oxygen that inputs in the oxygen pipe, prevents that oxygen content is too high, filter screen and filter core can realize setting up the filter duckbill valve and the oxygen supply that can be carried out in the filter-tip safety in the time of breathing, the filter valve can prevent breathing;

the inside of humidifying section of thick bamboo stores glucose solution or normal saline, through glucose solution or normal saline's humidification for the gas of supplementary oxygen suppliment can not too dry, also can realize wasing the gas of supplementary oxygen suppliment, improves the security of supplementary oxygen suppliment, the fixed intercommunication blast pipe in one side upper end of humidifying section of thick bamboo, the blast pipe other end intercommunication air pump, the other end of air pump is connected with detects the gas-supply pipe, detect the air current detector is installed to the intercommunication on the gas-supply pipe, the air current detector is used for realizing detecting patient output's air current, then including control system in the air current detector, control system with air pump electric connection realizes right the air pump carries out effectual control, when the patient inhales promptly, the air current detector detects the action of breathing in, then starts the gas of supplementary oxygen suppliment is carried out to the air pump, makes the gas of supplementary oxygen suppliment can carry the patient after filtering and wasing, helps the patient to breathe.

Preferably, the bottom of the humidifying cylinder is connected with a mounting ring, the lower part of the mounting ring is fixedly provided with a mounting cylinder, the humidifying cylinder is positioned in the mounting cylinder, one side of the mounting ring is fixedly provided with a supporting plate, and the air pump is fixedly mounted on the supporting plate.

Preferably, the rear end welding of collar has the clamp, the tip fixing of clamp is equipped with fixed ear, and both ends connect through fastening bolt between the fixed ear, the clamp block is installed on the oxygen cylinder.

Preferably, a connecting ring is welded at the inner side end part of the upper cover, a first thread tooth is fixedly arranged at the outer side of the connecting ring, a second thread tooth is arranged at the inner side of the end part of the humidifying cylinder, and the connecting ring is connected with the inside of the humidifying cylinder through the first thread tooth and the second thread tooth, namely, the upper cover is fixedly connected with the humidifying cylinder.

Preferably, the first clamping ring groove is formed in the end face of the humidifying cylinder, the second clamping ring groove is formed in the end face of the upper cover, a sealing gasket is arranged between the humidifying cylinder and the upper cover, a second clamping ring is fixedly arranged on the upper side of the sealing gasket, the first clamping ring is fixedly arranged on the lower side of the sealing gasket, the first clamping ring is connected in a clamping mode in the first clamping ring groove, and the second clamping ring is connected in a clamping mode in the second clamping ring groove.

Preferably, the upper end face of the air inlet pipe and the lower end face of the pressing cover are fixedly provided with connecting flanges, the end faces of the duckbill valve are fixedly provided with connecting pieces, the connecting pieces are attached to the two sides between the connecting flanges, and the connecting flanges and the connecting pieces are fixedly connected through a plurality of fixing bolts.

Preferably, a liquid level observation hole is formed in the front end of the humidifying cylinder, toughened glass is adopted for sealing and filling of the liquid level observation hole, and scale marks are engraved on one side of the liquid level observation hole of the humidifying cylinder.

Preferably, a pressure gauge is fixedly arranged on one side of the upper cover, and a detection end of the pressure gauge penetrates through the upper cover and is positioned at the upper end of the humidifying cylinder.

Preferably, the liquid injection pipe is fixedly communicated with one side of the upper cover, the sealing plug is installed at the end part of the liquid injection pipe in a clamping mode, the sealing plug is fixedly connected with the fixing ring through the connecting band, and the fixing ring is movably installed on the liquid injection pipe.

Preferably, the filter core is including shell body, fender otter board, biomembrane layer, active carbon layer, paper filter core and polyurethane filter core, the shell body sets up in the outside to install respectively at the both ends of shell body keep off the net board, and in both sides the inboard of keeping off the net board is equipped with in proper order the paper filter core polyurethane filter core active carbon layer with the biomembrane layer, paper filter core polyurethane filter core active carbon layer all is provided with two-layer.

Compared with the prior art, the utility model has the beneficial effects that:

the end part of the air inlet pipe is connected with the duckbill valve, the pressing cover and the filter screen, so that the external air is inhaled, the air is mixed with the oxygen input from the oxygen pipe, the direct oxygen supply is prevented, the excessive oxygen content is caused, the filter screen and the filter core are set to filter impurities in the external air, the respiratory safety is improved, and the duckbill valve is set to prevent the leakage of the oxygen supply during exhalation; through the humidification of glucose solution or normal saline for the gas of supplementary oxygen suppliment can not too dry, also can realize wasing the gas of supplementary oxygen suppliment, improve the security of supplementary oxygen suppliment, the air current detector is used for realizing detecting patient output's air current, then including control system in the air current detector, control system and air pump electric connection, realize carrying out effectual control to the air pump, promptly when the patient inhales, the air current detector detects the action of inspiration, then start the air pump and extract the gas of supplementary oxygen suppliment, make the gas of supplementary oxygen suppliment carry the patient after filtering and wasing the humidification, help patient breathes, can enough keep the security of supplementary breathing, also can realize effectual supplementary oxygen suppliment.

Drawings

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

FIG. 2 is a schematic top view of a portion of the structure of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic view of the structure of the humidifying cylinder of the present utility model;

FIG. 5 is a schematic view of the gasket of the present utility model;

FIG. 6 is a schematic cross-sectional view of a humidification cartridge of the present utility model;

fig. 7 is an enlarged schematic view of fig. 6 a in accordance with the present utility model.

In the figure: 1. a humidifying cylinder; 2. an upper cover; 3. an air inlet pipe; 4. pressing the cover; 5. a filter screen; 6. a duckbill valve; 7. an oxygen pipe; 8. a filter element; 9. an exhaust pipe; 10. an air pump; 11. detecting a gas pipe; 12. an airflow detector; 13. a connecting ring; 14. a first thread tooth; 15. a second clamping ring groove; 16. a fastening bolt; 17. a first clamping ring groove; 18. a second thread tooth; 19. a liquid level observation hole; 20. a sealing gasket; 21. a first clamping ring; 22. a second clamping ring; 23. a limiting ring; 24. a connecting sheet; 25. a connecting flange; 26. a fixing bolt; 27. a pressure gauge; 28. a liquid injection pipe; 29. a sealing plug; 30. a fixing ring; 31. a connecting belt; 32. a mounting ring; 33. a mounting cylinder; 34. a support plate; 35. a clamp; 36. and fixing the lugs.

Detailed Description

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

Referring to fig. 1 to 7, the present utility model provides a technical solution: the utility model provides a gas humidifying device for breathing machine, including humidifying cylinder 1, humidifying cylinder 1's upper portion is connected with upper cover 2, run through on the upper cover 2 and install intake pipe 3, intake pipe 3's bottom is in humidifying cylinder 1's inside, intake pipe 3's upper end is installed pressfitting lid 4, pressfitting lid 4's terminal surface is fixed and is equipped with filter screen 5, intake pipe 3's upper end one side intercommunication has oxygen pipe 7, oxygen pipe 7 communicates with external oxygen pump or oxygen pipeline, realizes carrying oxygen, intake pipe 3's inside middle-end is fixed with spacing collar 23, install filter core 8 on the spacing collar 23, filter core 8 sets up in intake pipe 3's inside, intake pipe 3 with fixed mounting has duckbill valve 6 between pressfitting lid 4, through upper cover 2 makes air humidifying cylinder 1 can form airtight space, is convenient for carry out supplementary oxygen suppliment, intake pipe 3's end connection has duckbill valve 6 and pressfitting lid 4 and 5, realizes inhaling the outside air, realizes breathing pipe and carries out oxygen core 7 with external oxygen pump or oxygen pipe and oxygen pump or oxygen pipe are carried out the intercommunication, filter screen 8 is directly set up in the filter screen 5 when setting for oxygen uptake rate is high, can prevent that oxygen uptake rate and oxygen uptake rate from setting up in the filter screen 8 and oxygen uptake rate is high, can be realized and the oxygen uptake rate is let into the filter valve is set up and is in the filter screen is easy to be let into the oxygen uptake rate and is let into the filter;

the inside of humidifying section of thick bamboo 1 stores glucose solution or normal saline, through the humidification of glucose solution or normal saline for supplementary oxygen suppliment gas can not too dry, also can realize wasing supplementary oxygen suppliment gas, improves supplementary oxygen suppliment security, humidifying section of thick bamboo 1's one side upper end fixed intercommunication blast pipe 9, blast pipe 9 other end intercommunication air pump 10, the other end of air pump 10 is connected with detects gas-supply pipe 11, detect and install air flow detector 12 on the gas-supply pipe 11 intercommunication, air flow detector 12 is used for realizing detecting patient output's air current, then including control system in the air flow detector 12, control system with air pump 10 electric connection realizes carrying out effectual control to air pump 10, when the patient inhales promptly, air flow detector 12 detects the action of breathing in, then starts air pump 10 draws supplementary gas, makes supplementary oxygen suppliment gas carry the patient after filtering and wasing, helps the patient to breathe.

In order to realize the installation and fixation of the humidification cylinder 1 and the maintenance of stability and the installation of the air pump 10, in this embodiment, preferably, the bottom of the humidification cylinder 1 is connected with a mounting ring 32, a mounting cylinder 33 is fixedly arranged at the lower part of the mounting ring 32, the humidification cylinder 1 is positioned in the mounting cylinder 33, a supporting plate 34 is fixedly arranged at one side of the mounting ring 32, and the air pump 10 is fixedly installed on the supporting plate 34.

In order to realize the fixed installation of the mounting ring 32 through the clamp 35 and maintain stability, in this embodiment, preferably, the rear end of the mounting ring 32 is welded with the clamp 35, the end portion of the clamp 35 is fixedly provided with a fixing lug 36, the fixing lugs 36 at two ends are connected through the fastening bolts 16, and the clamp 35 is installed on the oxygen bottle in a clamping manner.

In order to fixedly connect the upper cover 2 and the humidifying cylinder 1, and maintain the stability and the tightness of connection, in this embodiment, preferably, a connecting ring 13 is welded at the inner end of the upper cover 2, a first thread tooth 14 is fixedly arranged at the outer side of the connecting ring 13, a second thread tooth 18 is arranged at the inner side of the end of the humidifying cylinder 1, and the connecting ring 13 is connected to the inside of the humidifying cylinder 1 through the first thread tooth 14 and the second thread tooth 18, that is, the upper cover 2 and the humidifying cylinder 1 are fixedly connected.

In order to enable the upper cover 2 and the humidifying cylinder 1 to be connected, the tightness can be improved, in this embodiment, preferably, the end face of the humidifying cylinder 1 is provided with a first clamping ring groove 17, the end face of the upper cover 2 is provided with a second clamping ring groove 15, a sealing gasket 20 is arranged between the humidifying cylinder 1 and the upper cover 2, the upper side of the sealing gasket 20 is fixedly provided with a second clamping ring 22, the lower side of the sealing gasket 20 is fixedly provided with a first clamping ring 21, the first clamping ring 21 is in clamping connection with the inside of the first clamping ring groove 17, and the second clamping ring 22 is in clamping connection with the inside of the second clamping ring groove 15.

In order to realize that the pressing cover 4 can be fixedly connected with the air inlet pipe 3 and realize that the duckbill valve 6 is fixedly connected, in this embodiment, preferably, the upper end face of the air inlet pipe 3 and the lower end face of the pressing cover 4 are all fixedly provided with connecting flanges 25, the end face of the duckbill valve 6 is fixedly provided with connecting sheets 24, the connecting sheets 24 are attached to two sides between the connecting flanges 25, and the connecting flanges 25 and the connecting sheets 24 are fixedly connected through a plurality of fixing bolts 26.

In order to be convenient for detect the inside liquid level height of humidifying cylinder 1, be convenient for add glucose solution or normal saline in real time, in this embodiment, preferably, liquid level observation hole 19 has been seted up to the front end of humidifying cylinder 1, liquid level observation hole 19 adopts toughened glass to seal and fills, humidifying cylinder 1 is in one side sculpture of liquid level observation hole 19 has the scale mark.

In order to realize the detection of the pressure in the humidification cylinder 1 and improve the safety, in this embodiment, preferably, a pressure gauge 27 is fixedly installed on one side of the upper cover 2, and a detection end of the pressure gauge 27 penetrates through the upper cover 2 and is located at the upper end of the humidification cylinder 1.

In order to facilitate adding glucose solution or physiological saline into the humidification barrel 1 and prevent leakage, in this embodiment, preferably, a liquid injection pipe 28 is fixedly connected to one side of the upper cover 2, a sealing plug 29 is mounted at an end portion of the liquid injection pipe 28 in a clamping manner, the sealing plug 29 is fixedly connected with a fixing ring 30 through a connecting band 31, and the fixing ring 30 is movably mounted on the liquid injection pipe 28.

In order to realize carrying out effectual filtration treatment to the air, the impurity is fallen in effectual filtration, in this embodiment, preferably, filter core 8 is including shell body, fender otter board, biomembrane layer, active carbon layer, paper filter core and polyurethane filter core, the shell body sets up in the outside to install respectively at the both ends of shell body keep off the net board, and in both sides keep off the inboard of net board is equipped with in proper order paper filter core polyurethane filter core active carbon layer with the biomembrane layer, paper filter core polyurethane filter core active carbon layer all is provided with two-layer.

The working principle and the using flow of the utility model are as follows: when in use, the mounting ring 32 is fixedly mounted on an oxygen bottle through the clamp 35, the fixing lug 36 and the fastening bolt 16, then the humidifying cylinder 1 is mounted in the mounting ring 32 and the mounting cylinder 33, the air pump 10 is mounted on the upper part of the supporting plate 34, and when the humidifying cylinder 1 is mounted and connected, the sealing gasket 20 is mounted, namely, the sealing gasket 20 is connected in the second clamping ring groove 15 on the end surface of the upper cover 2 in a clamping way through the second clamping ring 22, then the upper cover 2 and the humidifying cylinder 1 are in threaded connection, namely, the connecting ring 13 on the inner side of the upper cover 2 is in threaded connection with the humidifying cylinder 1, namely, the first threaded tooth 14 is arranged on the outer side of the connecting ring 13, the second threaded tooth 18 is arranged in the upper part of the humidifying cylinder 1, the connecting ring 13 is in threaded connection with the humidifying cylinder 1 through the first threaded tooth 14 and the second threaded tooth 18, the strength and the tightness of the connection are maintained, then the connection is carried out with an oxygen bottle through an oxygen pipe 7, a detection gas pipe 11 is connected with a nasal oxygen pipe or a mask oxygen pipe, the detection gas pipe 11 is connected with a humidifying cylinder 1 through a gas pump 10 and an exhaust pipe 9, when a patient breathes, the gas flow driven by the suction is detected by a gas flow detector 12 on the detection gas pipe 11, at the moment, the gas flow detector 12 controls the gas pump 10, so that the gas pump 10 can start to extract the air in the humidifying cylinder 1 to assist the patient to breathe, and when the gas pump 10 extracts the air in the humidifying cylinder 1, the external gas pressure can flow the air into the air inlet pipe 3 from a pressing cover 4 and a filter screen 5, and the oxygen in the oxygen bottle is input into the gas inlet pipe 3 through the oxygen pipe 7 on one side of the air inlet pipe 3 to realize the mixing of the air and the air, the concentration of oxygen is reduced, and be equipped with duckbill valve 6 between pressfitting lid 4 and the intake pipe 3, can be convenient for in the intake pipe 3 with air input under atmospheric pressure, also can prevent that air from leaking outwards, then the air after mixing carries out filtration through filter core 8 in the intake pipe, improve the clean degree of air, then carry out humidification and washing through the inside glucose solution of humidification section of thick bamboo 1 or physiological saline solution, breathe at carrying the supply patient, and be equipped with liquid level observation hole 19 in the one end of humidification section of thick bamboo 1, be convenient for observe the inside glucose solution of humidification section of thick bamboo 1 or the surplus of physiological saline solution in real time, and be equipped with annotate liquid pipe 28 on upper cover 2, be convenient for pour into the inside of humidification section of thick bamboo 1 with glucose solution or physiological saline solution into, and set for sealing plug 29, can prevent that air from leaking, improve the leakproofness, and be equipped with manometer 27 on upper cover 2, be convenient for detect the inside pressure of humidification section of thick bamboo 1, improve the security.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas humidifying device for breathing machine, including humidifying section of thick bamboo (1), its characterized in that: the utility model discloses a humidifying device, including humidifying section of thick bamboo (1), upper cover (2) are gone up and are run through and install intake pipe (3), the bottom of intake pipe (3) is in the inside of humidifying section of thick bamboo (1), pressfitting lid (4) are installed to the upper end of intake pipe (3), the terminal surface of pressfitting lid (4) is fixed to be equipped with filter screen (5), upper end one side intercommunication of intake pipe (3) has oxygen pipe (7), oxygen pipe (7) communicate with external oxygen pump or oxygen pipeline, realize carrying oxygen, the inside middle-end of intake pipe (3) is fixed with spacing ring (23), install filter core (8) on spacing ring (23), filter core (8) set up the inside of intake pipe (3), intake pipe (3) with fixed mounting has duckbill valve (6) between pressfitting lid (4).

2. A gas humidification device for a ventilator as claimed in claim 1, wherein: through upper cover (2) makes humidifying section of thick bamboo (1) can form inclosed space, is convenient for carry out supplementary oxygen suppliment, the end connection of intake pipe (3) has duckbill valve (6) and pressfitting lid (4) and filter screen (5), realizes inhaling external air, realizes mixing with the oxygen of entering in follow oxygen tube (7), prevents direct oxygen suppliment, causes oxygen content too high, filter screen (5) with the setting of filter core (8) can realize filtering the impurity in the external air, improves respiratory security to and the setting of duckbill valve (6) can prevent when exhaling, causes the leakage of oxygen suppliment.

3. A gas humidification device for a ventilator as claimed in claim 1, wherein: the inside of humidifying section of thick bamboo (1) stores glucose solution or is normal saline, through the humidification of glucose solution or be normal saline for the gas of supplementary oxygen suppliment can not too dry, also can realize wasing the gas of supplementary oxygen suppliment, improves the security of supplementary oxygen suppliment, one side upper end fixed intercommunication blast pipe (9) of humidifying section of thick bamboo (1), blast pipe (9) other end intercommunication air pump (10), the other end of air pump (10) is connected with detects gas-supply pipe (11), detect air-flow detector (12) are installed to the intercommunication on gas-supply pipe (11), air-flow detector (12) are used for realizing detecting the air flow of patient output, then including control system in air-flow detector (12), control system with air pump (10) electric connection realizes to air pump (10) carry out effectual control, when the patient inhales promptly, air-flow detector (12) detects inspiratory action, then starts air pump (10) carry out the supplementary gas of extraction, make supplementary gas can carry out the breathing after filtering and rinsing the patient to help the patient.

4. A gas humidification device for a ventilator as claimed in claim 1, wherein: the bottom of the humidifying cylinder (1) is connected with a mounting ring (32), a mounting cylinder (33) is fixedly arranged at the lower part of the mounting ring (32), the humidifying cylinder (1) is positioned in the mounting cylinder (33), a supporting plate (34) is fixedly arranged on one side of the mounting ring (32), and the air pump (10) is fixedly arranged on the supporting plate (34).

5. A gas humidification device for a ventilator as claimed in claim 4, wherein: the rear end welding of collar (32) has clamp (35), the tip fixed of clamp (35) is equipped with fixed ear (36), and both ends connect through fastening bolt (16) between fixed ear (36), clamp (35) block is installed on the oxygen cylinder.

6. A gas humidification device for a ventilator as claimed in claim 1, wherein: the inner side end welding of upper cover (2) has go up ring (13), the outside of go up ring (13) is fixed and is equipped with first screw thread tooth (14), second screw thread tooth (18) have been seted up to the tip inboard of humidifying section of thick bamboo (1), go up ring (13) pass through first screw thread tooth (14) with second screw thread tooth (18) connect the inside of humidifying section of thick bamboo (1), namely upper cover (2) with humidifying section of thick bamboo (1) carry out fixed connection.

7. A gas humidification device for a ventilator as claimed in claim 1, wherein: the end face of the humidifying cylinder (1) is provided with a first clamping ring groove (17), the end face of the upper cover (2) is provided with a second clamping ring groove (15), a sealing gasket (20) is arranged between the humidifying cylinder (1) and the upper cover (2), a second clamping ring (22) is fixedly arranged on the upper side of the sealing gasket (20), a first clamping ring (21) is fixedly arranged on the lower side of the sealing gasket (20), the first clamping ring (21) is connected with the inner portion of the first clamping ring groove (17) in a clamping mode, and the second clamping ring (22) is connected with the inner portion of the second clamping ring groove (15) in a clamping mode.

8. A gas humidification device for a ventilator as claimed in claim 1, wherein: the utility model discloses a duck bill valve, including air inlet pipe, flange (25) are all fixed to the up end of air inlet pipe (3) with the lower terminal surface of pressfitting lid (4), the terminal surface of duckbill valve (6) is fixed to be equipped with connection piece (24), connection piece (24) laminating is in both sides between flange (25), both sides flange (25) with connection piece (24) carry out fixed connection through a plurality of fixing bolt (26).

9. A gas humidification device for a ventilator as claimed in claim 1, wherein: the front end of the humidifying cylinder (1) is provided with a liquid level observation hole (19), the liquid level observation hole (19) is filled with toughened glass in a sealing mode, and one side of the liquid level observation hole (19) is engraved with scale marks by the humidifying cylinder (1).

10. A gas humidification device for a ventilator as claimed in claim 1, wherein: one side of the upper cover (2) is fixedly provided with a pressure gauge (27), and the detection end of the pressure gauge (27) penetrates through the upper cover (2) and is positioned at the upper end of the humidifying cylinder (1).

11. A gas humidification device for a ventilator as claimed in claim 1, wherein: a liquid injection pipe (28) is fixedly communicated with one side of the upper cover (2), a sealing plug (29) is arranged at the end part of the liquid injection pipe (28) in a clamping manner, the sealing plug (29) is fixedly connected with a fixing ring (30) through a connecting belt (31), and the fixing ring (30) is movably arranged on the liquid injection pipe (28); the filter element (8) comprises an outer shell, a baffle plate, a biological film layer, an activated carbon layer, a paper filter element and a polyurethane filter element, wherein the outer shell is arranged on the outer side, the baffle plate is respectively arranged at two ends of the outer shell, the paper filter element, the polyurethane filter element, the activated carbon layer and the biological film layer are sequentially arranged on the inner sides of the baffle plate on two sides, and the paper filter element, the polyurethane filter element and the activated carbon layer are respectively provided with two layers.