CN117504066A - Atomization drug delivery device for respiratory department - Google Patents

Abstract

The invention provides a respiratory department atomizing drug delivery device, which comprises a shell, wherein one end of the shell is connected with a mask through an air passage, a drug solution tank is arranged on the shell through a drug solution tank mounting seat, and the prepared drug solution is filled in the drug solution tank; the shell is also fixedly provided with a hydraulic cylinder, a second cylinder, a first cylinder and a driving mechanism. According to the atomized medicine feeding device provided by the invention, the driving mechanism is utilized, so that the medicine liquid in the liquid cylinder can be atomized and sprayed by the atomized spray head after passing through the liquid outlet pipe, and the third air pipe is synchronously inflated, and when the third air pipe is inflated, the atomized medicine liquid sprayed by the atomized spray head is facilitated to be drained to the position of the mask along the air passage, so that the patient can inhale conveniently; in addition, the air flow has hysteresis compared with the liquid medicine atomization, so that the air passage is filled with the atomized liquid medicine, and then the atomized liquid medicine can be fed into the mask by the air flow, so that a patient can inhale the atomized liquid medicine for treatment.

Description

Atomization drug delivery device for respiratory department

Technical Field

The invention relates to a drug delivery device, in particular to a respiratory atomization drug delivery device.

Background

Aerosol inhalation therapy is mainly used for aerosol inhalation therapy, wherein aerosol refers to tiny solid or liquid particles suspended in air, and a medicine is dispersed into tiny fog drops or particles through an atomization device, so that the tiny fog drops or particles are suspended in gas and enter into respiratory tracts and lungs to achieve the purposes of cleaning the airways and humidifying the airways.

However, the existing atomization drug delivery device is relatively inconvenient to use, the atomization spraying mode has no guidance on atomization gas, the atomization gas is relatively dispersed, and direct injection is easy to cause discomfort to users; meanwhile, the atomized liquid is not quantized, and the stability of the atomized amount cannot be ensured.

Disclosure of Invention

The embodiment of the invention aims to provide a respiratory atomization drug delivery device, which aims to solve the technical problems in the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a respiratory department atomizing dosing device, includes the casing, and the one end of casing is provided with the face guard through the air flue connection, still installs the liquid medicine jar through the liquid medicine jar mount pad on the casing, is equipped with the liquid medicine of preparing in the liquid medicine jar; the shell is also fixedly provided with a hydraulic cylinder, a second cylinder and a first cylinder;

the top end of the liquid cylinder is connected with the medicine tank mounting seat through a liquid inlet pipeline, and the liquid inlet pipeline is provided with a liquid inlet one-way valve which is used for enabling medicine liquid in the medicine liquid tank to enter the liquid cylinder in one way through the liquid inlet pipeline; the liquid cylinder is vertically arranged, one side of the bottom of the liquid cylinder is connected with a liquid outlet pipe, the liquid outlet pipe is connected with an atomization nozzle arranged in the air passage, and a liquid outlet one-way valve is also arranged on the liquid outlet pipe and is used for enabling liquid medicine in the liquid cylinder to be unidirectionally fed into the atomization nozzle through the liquid outlet one-way valve for atomization ejection; in addition, one side of the top of the hydraulic cylinder is also connected with a first air pipe;

the first piston is arranged at one end of the first piston rod, the other end of the first piston rod extends out of the second cylinder, the second cylinder is transversely placed, the end parts of the second cylinder are respectively connected with a second air pipe and a third air pipe, the end parts of the third air pipes extend into the air passages, when the first piston moves in the second cylinder, air in the second cylinder can be discharged through the third air pipes, so that the third air pipes blow air into the air passages, and atomized liquid medicine sprayed by the atomization spray head is drained; the second airflow check valve is arranged on the third air pipe and is used for enabling air in the first piston to enter the air passage in a one-way through the third air pipe; the first air flow check valve is arranged on the second air pipe, and the first air flow check valve is used for enabling air outside the second air cylinder to enter the second air cylinder in a one-way mode through the second air pipe, so that when the first piston moves in the second air cylinder, air flow can be fed into the air passage according to the moving direction of the first piston;

the first cylinder is vertical, lift type sealed slip is provided with the second piston in the first cylinder, and the bottom fixed connection of second piston and second piston rod, the top of second piston extends to first cylinder outside, first cylinder bottom one side is connected and is provided with the fourth trachea, and the tracheal other end of fourth is connected with first gas tube.

As a further limitation of the scheme of the invention, the shell is also provided with a driving mechanism, the driving mechanism comprises a driving turntable, the driving turntable is rotationally arranged in the shell, the driving turntable is coaxially and fixedly connected with an output shaft of a servo motor, the driving turntable is driven to rotate by using the started servo motor, a first guide pillar is fixedly arranged on the driving turntable, and when the driving turntable rotates, the first guide pillar is driven to perform circular motion.

As a further limitation of the scheme of the invention, the driving mechanism further comprises a lifting frame, and the top end of the second piston rod is fixedly connected with the lifting frame; the lifting frame is fixedly connected with a frame rod, the first guide pillar is positioned in a rectangular area formed by surrounding between the frame rod and the lifting frame, and when the first guide pillar moves upwards in a circular motion, the first guide pillar props against the frame rod to push the frame rod and the lifting frame to move upwards; in contrast, when the first guide post moves downwards in a circular motion, the first guide post is separated from the frame rod, and the first guide post is propped against the inner side wall of the lifting frame.

As a further limitation of the scheme of the invention, the lifting frame is provided with a supporting channel, the supporting channel is provided with a supporting slide bar in a penetrating and sliding manner, one end of the supporting slide bar is fixedly connected with the supporting rod, the other end of the supporting rod is fixedly provided with a second guide post, and the second guide post is in sliding abutting connection with the transverse frame.

As a further limitation of the scheme of the invention, the surface of the supporting slide bar is provided with a plurality of multi-groove plates at equal intervals, the multi-groove plates are matched with the first guide posts, and when the first guide posts are propped against the inner side wall of the lifting frame, the first guide posts are propped against the multi-groove plates.

As a further limitation of the scheme of the invention, the inner wall of the supporting channel is fixedly provided with the positioning plate, the positioning plate extends into the supporting slide rod, and the supporting slide rod is connected with the positioning plate through the connecting spring, so that the elastic restoring force of the connecting spring can be utilized to realize restoring when the supporting slide rod transversely displaces relative to the lifting frame.

As a further limitation of the scheme of the invention, the frame rod is fixedly provided with the vertical guide block, and the vertical guide block is arranged in the vertical guide rail groove in a vertical sliding way, so that the guiding effect of the frame rod and the lifting frame in the vertical movement is realized; preferably, the side wall of the vertical guide block is supported by a supporting spring and provided with a sliding plate, the surface of the sliding plate is of a rough surface structure, and under the elastic supporting action of the supporting spring, the rough surface of the sliding plate is propped against the inner wall of the vertical guide rail groove, so that the vertical guide block can stay and be fixed in the vertical guide rail groove when the first guide pillar does not push the frame rod and the lifting frame to move up and down;

the inner wall of the vertical guide rail groove is also provided with a rough surface structure, and the rough surface structure is a plurality of cambered surface bulges, so that the sliding between the sliding plate and the inner wall of the vertical guide rail groove has certain resistance.

Compared with the prior art, the atomization drug delivery device provided by the invention has the beneficial effects that:

firstly, when a first guide post which moves clockwise circularly moves upwards to drive the left half part of a turntable, a frame rod is lifted to enable a lifting frame to move upwards, a second piston moves upwards in a first cylinder in the process, air in a liquid cylinder is pumped into the first cylinder under the connection effect between a first air pipe and a fourth air pipe, so that the air pressure of the liquid cylinder is reduced, at the moment, a liquid inlet one-way valve is opened, and liquid medicine in a liquid medicine tank is added into the liquid cylinder through a liquid inlet pipeline;

secondly, when the first guide post moves clockwise to the top of the driving turntable in a circular manner, the first guide post is separated from the frame rod along with the continuous clockwise movement of the first guide post, then the first guide post is propped against one of the multi-groove plates on the supporting slide rod, the supporting slide rod is pushed to move in a right-first-left moving process along with the continuous clockwise circular movement of the first guide post, the transverse frame is moved under the connection pulling action of the support rod and the second guide post, and then in the rightward process, the first piston is driven to move rightward in the second cylinder, so that external air enters the second cylinder through the second air pipe; in the leftward process, the first piston moves leftwards in the second cylinder, so that air flow in the second cylinder is discharged through the third air pipe;

thirdly, the second piston moves downwards in the first air cylinder, air in the first air cylinder is sent into the liquid cylinder under the connection effect between the first air pipe and the fourth air pipe, so that the air pressure of the liquid cylinder is increased, at the moment, the liquid outlet one-way valve is opened, and liquid medicine in the liquid cylinder is sprayed out by utilizing an atomization nozzle after passing through the liquid outlet pipe; when the third air pipe blows, atomized liquid medicine sprayed by the atomized spray head is facilitated to be drained to the position of the mask along the air passage, so that the patient can inhale conveniently;

fourth, in the atomizing spraying process of liquid medicine carried out by the atomizing nozzle, the first piston moves in the second cylinder and has a process of first right and then left, so that the atomizing nozzle is favorable to spraying atomized liquid medicine first, then the air flow of the third air pipe is guided in follow-up, that is to say, the air flow is more lagging than the liquid medicine atomization, so that the air passage is filled with atomized liquid medicine first, and then the air flow can be used for sending the atomized liquid medicine into the mask together, so that a patient can inhale the atomized liquid medicine for treatment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a perspective view of a respiratory nebulization delivery device of the present invention;

FIG. 2 is a top view of a respiratory nebulization delivery device according to the present invention;

FIG. 3 is a front view of a respiratory nebulization delivery device according to the present invention;

fig. 4 is a schematic view of the internal structure of the respiratory nebulization delivery device according to the present invention;

FIG. 5 is a schematic view of a drive mechanism of a respiratory nebulization delivery device according to the present invention;

FIG. 6 is a schematic view of a lifting frame in a driving mechanism according to the present invention;

FIG. 7 is a schematic view of a vertical guide block in the drive mechanism provided by the present invention;

FIG. 8 is a schematic view of a laterally movable rod in a drive mechanism according to the present invention;

FIG. 9 is a schematic diagram of a hydraulic cylinder and a second cylinder in a respiratory nebulization drug delivery device provided by the invention;

fig. 10 is a schematic view of a first cylinder in a respiratory nebulization delivery device according to the present invention.

The reference numerals are as follows:

100. a housing; 101. a side seat; 102. a servo motor; 1021. driving a turntable; 1022. a first guide post; 103. a handle; 104. a transverse guide rail groove; 105. a vertical guide rail groove; 106. a battery compartment; 107. a transverse frame; 1071. a transverse slide block;

200. a liquid medicine tank; 201. A medicine pot mounting seat;

300. a face mask; 301. An airway;

400. a hydraulic cylinder; 401. a liquid inlet pipe; 402. a liquid inlet one-way valve; 403. a liquid outlet pipe; 404. a liquid outlet one-way valve; 405. a first air tube;

500. a second cylinder; 501. a second air pipe; 502. a first airflow check valve; 503. a third air pipe; 504. a second air flow check valve; 505. a first piston; 506. a first piston rod;

600. a first cylinder; 601. a second piston; 602. a second piston rod; 603. a fourth air pipe;

700. a lifting frame; 701. a support channel; 702. a frame bar; 703. supporting a slide bar; 704. a support rod; 705. a second guide post; 706. a multi-grooved plate; 707. a vertical guide block; 7071. a slide plate; 7072. a support spring; 708. a positioning plate; 709. a connecting spring;

800. an atomizing nozzle;

900. control buttons.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Specific implementations of the invention are described in detail below in connection with specific embodiments.

As shown in fig. 1 to fig. 4, in the embodiment of the present invention, an atomized administration device for respiratory department includes a housing 100, one end of the housing 100 is connected to a mask 300 through an air passage 301, a liquid medicine tank 200 is mounted on the housing 100 through a liquid medicine tank mounting seat 201, and a prepared liquid medicine is filled in the liquid medicine tank 200; the housing 100 is further fixedly provided with a hydraulic cylinder 400, a second cylinder 500 and a first cylinder 600.

As shown in fig. 4 and fig. 9, the top end of the liquid cylinder 400 is connected with the drug tank mounting seat 201 through a liquid inlet pipe 401, a liquid inlet one-way valve 402 is arranged on the liquid inlet pipe 401, and the liquid inlet one-way valve 402 is used for enabling the drug liquid in the drug liquid tank 200 to enter the liquid cylinder 400 in one direction through the liquid inlet pipe 401; the liquid cylinder 400 is vertically arranged, one side of the bottom of the liquid cylinder 400 is connected with a liquid outlet pipe 403, the liquid outlet pipe 403 is connected with an atomization nozzle 800 arranged in the air passage 301, a liquid outlet one-way valve 404 is further arranged on the liquid outlet pipe 403, and the liquid outlet one-way valve 404 is used for enabling the liquid medicine in the liquid cylinder 400 to be unidirectionally fed into the atomization nozzle 800 through the liquid outlet one-way valve 404 for atomization ejection; in addition, a first air pipe 405 is further connected to one side of the top of the hydraulic cylinder 400.

With continued reference to fig. 4 and fig. 9, in the embodiment of the present invention, a first piston 505 is disposed in the second cylinder 500, the first piston 505 is installed at one end of the first piston rod 506, the other end of the first piston rod 506 extends out of the second cylinder 500, the second cylinder 500 is disposed transversely, the end portions of the second cylinder 500 are respectively connected with a second air pipe 501 and a third air pipe 503, the end portions of the third air pipe 503 extend into the air channel 301, and when the first piston 505 moves in the second cylinder 500, the air in the second cylinder 500 can be discharged through the third air pipe 503, so that the third air pipe 503 blows air into the air channel 301, and the atomized liquid medicine sprayed by the atomized spray head 800 is drained; wherein, a second airflow check valve 504 is installed on the third air pipe 503, and the second airflow check valve 504 is used for enabling air in the first piston 505 to enter the air channel 301 in a unidirectional way through the third air pipe 503; and the second air pipe 501 is provided with a first air flow check valve 502, and the first air flow check valve 502 is used for enabling air outside the second air cylinder 500 to enter the second air cylinder 500 in a unidirectional way through the second air pipe 501, so that when the first piston 505 moves in the second air cylinder 500, air flow can be sent into the air channel 301 according to the moving direction of the first piston 505.

With continued reference to fig. 4, 5 and 10, in the embodiment of the present invention, the first air cylinder 600 is vertically disposed, a second piston 601 is disposed in the first air cylinder 600 in a lifting sealing sliding manner, the second piston 601 is fixedly connected to a bottom end of a second piston rod 602, a top end of the second piston 601 extends to an outside of the first air cylinder 600, a fourth air pipe 603 is connected to one side of a bottom of the first air cylinder 600, and another end of the fourth air pipe 603 is connected to the first air pipe 405.

With continued reference to fig. 4-6, in the embodiment of the present invention, a driving mechanism is further provided on the housing 100, where the driving mechanism includes a driving turntable 1021, the driving turntable 1021 is rotatably provided in the housing 100, and the driving turntable 1021 is fixedly connected with an output shaft of the servo motor 102 coaxially, so as to drive the driving turntable 1021 to rotate by using the started servo motor 102, and a first guide post 1022 is fixedly installed on the driving turntable 1021, and when the driving turntable 1021 rotates, the first guide post 1022 is driven to perform a circular motion.

Preferably, the driving mechanism further comprises a lifting frame 700, and the top end of the second piston rod 602 is fixedly connected with the lifting frame 700; the lifting frame 700 is fixedly connected with a frame bar 702, the first guide columns 1022 are located in a rectangular area formed by surrounding between the frame bar 702 and the lifting frame 700, and when the first guide columns 1022 move upwards in a circular motion, the first guide columns 1022 are abutted against the frame bar 702 to push the frame bar 702 and the lifting frame 700 to move upwards; conversely, when the first guide pole 1022 moves down in the circular motion, the first guide pole 1022 is separated from the frame pole 702, and the first guide pole 1022 abuts against the inner side wall of the lifting frame 700.

Further, a supporting channel 701 is formed on the lifting frame 700, a supporting sliding rod 703 is provided on the supporting channel 701 in a penetrating and sliding manner, one end of the supporting sliding rod 703 is fixedly connected with a supporting rod 704, a second guide post 705 is fixedly mounted at the other end of the supporting rod 704, and the second guide post 705 is in sliding abutment in the transverse frame 107.

Further, as shown in fig. 5, 6 and 8, a plurality of multi-groove plates 706 are disposed on the surface of the support slide bar 703 at equal intervals, the multi-groove plates 706 are matched with the first guide posts 1022, and when the first guide posts 1022 are abutted against the inner side walls of the lifting frame 700, the first guide posts 1022 are abutted against the multi-groove plates 706.

Further, as shown in fig. 6 and 8, a positioning plate 708 is fixedly disposed on the inner wall of the supporting channel 701, the positioning plate 708 extends into the supporting sliding rod 703, and the supporting sliding rod 703 is connected with the positioning plate 708 through a connecting spring 709, so that when the supporting sliding rod 703 is laterally displaced relative to the lifting frame 700, the elastic restoring force of the connecting spring 709 can be utilized to realize restoring.

With continued reference to fig. 4-7, the housing 100 is further provided with a vertical guide rail groove 105, and the vertical guide rail groove 105 is used for guiding the up-and-down movement of the lifting frame 700.

Wherein, the frame bar 702 is fixedly provided with a vertical guide block 707, and the vertical guide block 707 is arranged in the vertical guide rail groove 105 in a vertical sliding manner, so as to realize the guiding function when the frame bar 702 and the lifting frame 700 move up and down; preferably, the side wall of the vertical guide block 707 is supported by a supporting spring 7072, the surface of the sliding plate 7071 is in a rough surface structure, under the elastic supporting action of the supporting spring 7072, the rough surface of the sliding plate 7071 is abutted against the inner wall of the vertical guide rail groove 105, so that the vertical guide block 707 can stay and be fixed in the vertical guide rail groove 105 when the first guide pillar 1022 does not push the frame rod 702 and the lifting frame 700 to move up and down.

As a preferred embodiment, the inner wall of the vertical guide rail groove 105 is also provided with a rough surface structure, and the rough surface structure is formed by a plurality of cambered surface protrusions, so that sliding between the sliding plate 7071 and the inner wall of the vertical guide rail groove 105 has a certain resistance.

The driving mechanism provided by the invention is operated as follows:

the first process comprises the following steps: when the left half part of the rotating disk 1021 is driven to move upwards by the first guide pillar 1022 which moves clockwise, the frame rod 702 is lifted up to enable the lifting frame 700 to move upwards, the second piston 601 moves upwards in the first air cylinder 600, air in the liquid cylinder 400 is pumped into the first air cylinder 600 under the connection effect between the first air pipe 405 and the fourth air pipe 603, the air pressure of the liquid cylinder 400 is reduced, at the moment, the liquid inlet check valve 402 is opened, and liquid medicine in the liquid medicine tank 200 is added into the liquid cylinder 400 through the liquid inlet pipeline 401;

the second process is as follows: when the first guide pillar 1022 moves clockwise to the top of the driving turntable 1021, the first guide pillar 1022 moves clockwise along with the continuous movement of the first guide pillar 1022 to enable the first guide pillar 1022 to be separated from the frame bar 702, then the first guide pillar 1022 is propped against one of the multi-grooved plates 706 on the supporting slide bar 703, the supporting slide bar 703 is pushed to move right and left along with the continuous movement of the first guide pillar 1022, the transverse frame 107 is moved under the connection pulling action of the supporting rod 704 and the second guide pillar 705, and then the first piston 505 is driven to move right in the second cylinder 500 in the rightward process, so that external air enters the second cylinder 500 through the second air pipe 501; during the leftward process, first piston 505 moves leftward in second cylinder 500, so that the air flow in second cylinder 500 is discharged through third air pipe 503;

meanwhile, in synchronization with the second process, it is: the second piston 601 moves downwards in the first cylinder 600, under the connection effect between the first air pipe 405 and the fourth air pipe 603, air in the first cylinder 600 is sent into the liquid cylinder 400, so that the air pressure of the liquid cylinder 400 is increased, at the moment, the liquid outlet one-way valve 404 is opened, and the liquid medicine in the liquid cylinder 400 is atomized and sprayed by the atomizing nozzle 800 after passing through the liquid outlet pipe 403; and when the third air pipe 503 blows, atomized liquid medicine sprayed by the atomized spray head 800 is facilitated to flow to the position of the mask 300 along the air passage 301, so as to facilitate the inhalation of patients.

It can be appreciated that in the second process of the present invention, during the process of atomizing the liquid medicine by the atomizer 800, the first piston 505 moves in the second cylinder 500 to have a front right and a rear left process, which is favorable for the atomizer 800 to spray the atomized liquid medicine first, and then the airflow of the third air pipe 503 is guided in a follow-up manner, that is, the airflow has hysteresis compared with the atomization of the liquid medicine, so that the air channel 301 is filled with the atomized liquid medicine first, and then the atomized liquid medicine can be fed to the mask 300 together by the airflow, thereby facilitating the patient to inhale the atomized liquid medicine for treatment.

In addition, a transverse guide rail groove 104 is formed in the housing 100, a transverse slide block 1071 is fixedly mounted on the transverse frame 107, and the transverse slide block 1071 slides against the transverse guide rail groove 104, so that the transverse frame 107 can only perform transverse displacement along the direction of the transverse guide rail groove 104; the transverse frame 107 is fixedly connected with the end of the first piston rod 506, and when the transverse frame 107 moves, the first piston 505 is pushed to move in the second cylinder 500.

1-3, the housing 100 is further provided with a side seat 101, the servo motor 102 is mounted on the side seat 101, the housing 100 is further provided with a battery compartment 106, and a battery is mounted in the battery compartment 106 and is used for supplying power to the servo motor 102, the atomizing nozzle 800 and other power consumption components; a handle 103 is mounted on the housing 100 to facilitate the handling of the aerosolized drug delivery device by a user; a control button 900 is also provided on the handle 103, the control button 900 being used to control the activation and deactivation of the aerosolized drug delivery device.

Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (7)

1. An atomization drug delivery device for respiratory department comprises a shell (100), wherein one end of the shell (100) is connected with a mask (300) through an air passage (301), and a drug solution tank (200) is arranged on the shell (100) through a drug solution tank mounting seat (201);

the method is characterized in that:

the shell (100) is also fixedly provided with a hydraulic cylinder (400), a second cylinder (500) and a first cylinder (600);

the top end of the liquid cylinder (400) is connected with the medicine tank mounting seat (201) through a liquid inlet pipeline (401), a liquid inlet one-way valve (402) is arranged on the liquid inlet pipeline (401), and the liquid inlet one-way valve (402) is used for enabling liquid medicine in the liquid medicine tank (200) to enter the liquid cylinder (400) in one direction through the liquid inlet pipeline (401); a liquid outlet pipe (403) is connected to one side of the bottom of the liquid cylinder (400), the liquid outlet pipe (403) is connected with an atomization nozzle (800) arranged in the air passage (301), a liquid outlet one-way valve (404) is further arranged on the liquid outlet pipe (403), and the liquid outlet one-way valve (404) is used for enabling liquid medicine in the liquid cylinder (400) to be sent into the atomization nozzle (800) in one direction through the liquid outlet one-way valve (404) for atomization ejection; a first air pipe (405) is further connected to one side of the top of the hydraulic cylinder (400);

a first piston (505) is arranged in the second cylinder (500), the first piston (505) is arranged at one end of a first piston rod (506), the end part of the second cylinder (500) is respectively connected with a second air pipe (501) and a third air pipe (503), and the end part of the third air pipe (503) extends into the air channel (301); a second airflow one-way valve (504) is arranged on the third air pipe (503), and the second airflow one-way valve (504) is used for enabling air in the first piston (505) to enter the air passage (301) through the third air pipe (503) in a one-way mode; a first airflow one-way valve (502) is arranged on the second air pipe (501), and the first airflow one-way valve (502) is used for enabling air outside the second air cylinder (500) to enter the second air cylinder (500) in a one-way through the second air pipe (501);

the lifting type sealing sliding device is characterized in that a second piston (601) is arranged in the first cylinder (600) in a lifting type sealing sliding mode, the second piston (601) is fixedly connected with the bottom end of a second piston rod (602), the top end of the second piston (601) extends to the outside of the first cylinder (600), a fourth air pipe (603) is connected and arranged on one side of the bottom of the first cylinder (600), and the other end of the fourth air pipe (603) is connected with the first air pipe (405).

2. The respiratory atomization drug delivery apparatus according to claim 1, wherein the housing (100) is further provided with a driving mechanism, the driving mechanism comprises a driving turntable (1021), the driving turntable (1021) is rotatably arranged in the housing (100), the driving turntable (1021) is fixedly connected with an output shaft of the servo motor (102) coaxially, a first guide pillar (1022) is fixedly arranged on the driving turntable (1021), and when the driving turntable (1021) rotates, the first guide pillar (1022) is driven to perform circular motion.

3. The respiratory nebulization dosing device according to claim 2, wherein the drive mechanism further comprises a lifting frame (700), the top end of the second piston rod (602) being fixedly connected to the lifting frame (700); the lifting frame (700) is fixedly connected with a frame rod (702), the first guide pillar (1022) is located in a rectangular area formed by surrounding between the frame rod (702) and the lifting frame (700), and when the first guide pillar (1022) moves upwards in a circular motion, the first guide pillar (1022) abuts against the frame rod (702) to push the frame rod (702) and the lifting frame (700) to move upwards; when the first guide post (1022) moves downwards in a circular motion, the first guide post (1022) is separated from the frame rod (702), and the first guide post (1022) abuts against the inner side wall of the lifting frame (700).

4. A respiratory atomization drug delivery apparatus according to claim 3, wherein the lifting frame (700) is provided with a supporting channel (701), the supporting channel (701) is provided with a supporting slide bar (703) in a penetrating and sliding manner, one end of the supporting slide bar (703) is fixedly connected with the supporting rod (704), the other end of the supporting rod (704) is fixedly provided with a second guide post (705), and the second guide post (705) is in sliding contact with the transverse frame (107).

5. The respiratory aerosol delivery apparatus according to claim 4, wherein the support slide bar (703) has a plurality of multi-grooved plates (706) disposed on a surface thereof at equal intervals, the multi-grooved plates (706) being adapted to the first guide posts (1022), the first guide posts (1022) being disposed within the multi-grooved plates (706) when the first guide posts (1022) are disposed against the inner side walls of the lifting frame (700).

6. The respiratory atomization drug delivery apparatus according to claim 5, wherein a positioning plate (708) is fixedly arranged on the inner wall of the supporting channel (701), the positioning plate (708) stretches into the supporting sliding rod (703), and the supporting sliding rod (703) is connected with the positioning plate (708) through a connecting spring (709).

7. The respiratory atomization drug delivery apparatus according to claim 6, wherein a vertical guide block (707) is fixedly arranged on the frame rod (702), and the vertical guide block (707) is arranged in the vertical guide rail groove (105) in a sliding manner up and down;

a sliding plate (7071) is supported and arranged on the side wall of the vertical guide block (707) through a supporting spring (7072), the surface of the sliding plate (7071) is of a rough surface structure, and under the elastic supporting effect of the supporting spring (7072), the rough surface of the sliding plate (7071) is abutted against the inner wall of the vertical guide rail groove (105); the inner wall of the vertical guide rail groove (105) is also provided with a rough surface structure, and the rough surface structure is a plurality of cambered surface bulges.