Inhaled drug delivery devices

Abstract

The present invention discloses a drug delivery device for inhalation drugs, which belongs to the technical field of medical devices, and comprises a box body; a suction nozzle is provided on the upper side of the box body; a rotating frame is rotatably installed on the left side of the box body, and a protective cover is fixedly installed on the upper side of the rotating frame; a tongue depressor assembly is installed on the suction nozzle; the protective cover is snap-connected with the suction nozzle; a floating drug storage assembly is installed inside the box body; a fan is installed in the floating drug storage assembly; a drug delivery assembly, a first locking assembly, and a second locking assembly are installed inside the box body, the lower end of the rotating frame, and the lower end of the tongue depressor assembly; the outlet of the drug delivery assembly is connected to the suction nozzle; the atomization outlet of the fan is fixedly connected to the lower end of the conveying pipe, the upper end of the conveying pipe passes through the floating drug storage assembly and is fixedly connected to one end of a hose, and the other end of the hose is fixedly connected to the upper end of the drug delivery assembly. Through the above-mentioned method, the medicine powder is shaken evenly before atomization, the tongue depressor assembly pushes the user's tongue backward, and the medicine delivery assembly pushes the atomized medicine to accelerate the flow into the user's mouth.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a drug delivery device for inhaled drugs. Background Art

[0002] A currently commonly used drug treatment for chronic obstructive pulmonary disease is to inhale inhaled drugs into the lungs through a drug delivery device, where they are absorbed and treated.

[0003] For example, Chinese patent CN215426708U discloses a dry powder inhalation device, which is provided with a medicine placement chamber, an airway and a mouthpiece. When in use, the capsule medicine in the medicine placement chamber is punctured, and then the powder medicine is inhaled through the mouthpiece.

[0004] However, when using this device, it is difficult for the user to control the position of the nozzle, and there is a risk of non-standard inhalation posture, which may cause the medicine powder to enter the throat and not flow through the trachea to the lungs, resulting in waste; and the inhalation and inhalation effect of the medicine powder are not guaranteed, requiring the user to inhale more forcefully, and some patients find it difficult to perform heavy breathing.

[0005] Based on this, the present invention designs a drug delivery device for inhaled drugs to solve the above problems. Summary of the Invention

[0006] In view of the above-mentioned shortcomings of the prior art, the present invention provides a drug delivery device for inhaled drugs.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A drug delivery device for inhaled drugs, comprising a box body;

[0009] A suction nozzle is provided on the upper side of the box body; a rotating frame is rotatably mounted on the left side of the box body, and a protective cover for protecting the suction nozzle is fixedly mounted on the upper side of the rotating frame; a tongue depressor assembly is mounted on the suction nozzle; the protective cover is snap-fitted to the suction nozzle;

[0010] A floating medicine storage assembly is installed inside the box body; a fan is installed in the floating medicine storage assembly; an auxiliary medicine delivery mechanism is installed inside the box body, at the lower end of the rotating frame, and at the lower end of the tongue depressor assembly, the auxiliary medicine delivery mechanism comprising a medicine delivery assembly, a first locking assembly, and a second locking assembly; the medicine delivery assembly is installed in the box body, the first locking assembly is installed on the medicine delivery assembly and the rotating frame; the second locking assembly is installed on the box body and the tongue depressor assembly;

[0011] The outlet of the medicine delivery component is connected to the suction nozzle; the atomization outlet of the fan is fixedly connected to the lower end of the delivery pipe, the upper end of the delivery pipe is fixedly connected to one end of the hose, and the other end of the hose is fixedly connected to the upper end of the medicine delivery component.

[0012] Furthermore, the floating medicine storage assembly includes a floating platform, a medicine storage tank, a spring and a guide rod. A plurality of guide rods are fixedly installed on the lower side of the floating platform. The guide rods slide with the inner bottom of the box body within a limited position. A spring is provided on the outer sleeve of the guide rod. One end of the spring is fixedly connected to the floating platform, and the other end of the spring is fixedly connected to the box body. A medicine storage tank is fixedly installed on the upper side of the floating platform.

[0013] Furthermore, the tongue depressor assembly includes a connecting rod and a tongue depressor block. The outer side of the suction nozzle is hinged to one end of the connecting rod. A torsion spring is sleeved on the hinge axis of the suction nozzle and the connecting rod. The two elastic legs of the torsion spring are respectively hinged to the suction nozzle and the connecting rod. There are multiple connecting rods, and the multiple connecting rods are distributed in a rectangular array on the outer side of the suction nozzle; the other end of the connecting rod is rotatably mounted on the same tongue depressor block.

[0014] Furthermore, the medicine delivery assembly includes a medicine delivery tube, a piston and a pushing assembly. The medicine delivery tube is fixedly installed inside the box body, and the piston slides within the medicine delivery tube within a limited position; the pushing assembly is installed inside the box body.

[0015] Furthermore, the pushing assembly includes a pushing block, a first rotating rod, a second rotating rod and a mounting block. A pushing block fixedly connected to the piston is slidingly installed on the lower side of the medicine delivery tube. The lower side of the pushing block is rotatably connected to the upper end of the first rotating rod. Two first rotating rods are provided, and the two first rotating rods are symmetrically distributed on the lower side of the pushing block; the lower end of the first rotating rod is rotatably connected to the upper end of the second rotating rod, and the lower end of the second rotating rod is rotatably connected to the mounting block, and the mounting block is fixedly installed on the inner bottom of the box body.

[0016] Furthermore, the pushing assembly also includes a first spring, and the lower ends of the two first rotating rods are fixedly connected to the two ends of the first spring respectively.

[0017] Furthermore, the first locking assembly includes a rotating arm, a round rod and an extension rod, one end of the extension rod is fixedly connected to the upper end of a second rotating rod; one end of the rotating arm is fixedly connected to the lower end of the rotating frame, and the other end of the rotating arm is fixedly installed with a round rod for pressing down the extension rod.

[0018] Furthermore, the first locking assembly further comprises an extension block, which is fixedly mounted on a side of the floating platform, and the round rod slides in close contact with the extension block.

[0019] Furthermore, the second locking assembly includes a card block, a second spring, a lever and an unlocking assembly. The card block slides with the inner wall of the box body in a limited manner. The upper end of the card block is provided with a guide surface for facilitating sliding with the extension rod. The interior of the card block is fixedly connected to one end of the second spring, and the other end of the second spring is fixedly connected to the box body; the lever is fixedly mounted on the card block; and the unlocking assembly is mounted on the connecting rod.

[0020] Furthermore, the unlocking assembly includes a rotating groove and a second unlocking rod. The rotating groove is opened on the upper side of the box body. The upper end of the second unlocking rod is fixedly connected to the lower end of the connecting rod. The other end of the second unlocking rod passes through the rotating groove to the interior of the box body and abuts against the lever.

[0021] The invention has the following beneficial effects compared with the prior art: 1. In the initial state, the protective cover on the rotating frame is covered on the suction nozzle, and at this time the first locking assembly presses the floating medicine storage assembly and the medicine delivery assembly; the rotating frame is rotated to separate the protective cover from the suction nozzle, and in this process the rotating frame drives the first locking assembly to disengage the locking of the floating medicine storage assembly and the medicine delivery assembly, and the second locking assembly remains locked on the medicine delivery assembly; at this time, the floating medicine storage assembly vibrates and drives the medicine powder to vibrate and shake, making the medicine powder more uniform, and the fan is started to drive the medicine powder in the floating medicine storage assembly to spread into the hose and the medicine delivery assembly; the suction nozzle is placed in the user's mouth, and the tongue depressor assembly pushes the user's tongue backward to help the user's tongue retreat and maintain the standard action of inhaling medicine, thereby avoiding waste caused by inhaling medicine into the throat; at the same time, the tongue depressor assembly drives the second locking assembly to unlock, and at this time the medicine delivery assembly pushes the atomized medicine to move, accelerating the flow of atomized medicine into the user's mouth; thereby, the user does not need to apply excessive suction force when inhaling medicine, reduces the burden on the lungs, makes inhalation more convenient, and avoids irritation to the lungs caused by direct push of the fan;

[0022] 2. After use, the tongue depressor assembly resets and drives the second locking assembly to reset, and the rotating frame drives the protective cover to cover the suction nozzle. During this process, the rotating frame drives the first locking assembly to press down the floating medicine storage assembly and the medicine delivery assembly, so that the floating medicine storage assembly and the medicine delivery assembly can store power again for the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0024] Figure 1 The three-dimensional device for administering inhaled medicine of the present invention Figure 1 ;

[0025] Figure 2 A front view of the inhalation drug delivery device of the present invention;

[0026] Figure 3 To follow Figure 2 AA direction cross-sectional view;

[0027] Figure 4 for Figure 3 Enlarged view of point B in the middle;

[0028] Figure 5 The three-dimensional image of the inhalation drug administration device of the present invention after removing the box body and the protective cover Figure 1 ;

[0029] Figure 6 The three-dimensional image of the inhalation drug administration device of the present invention after removing the box body and the protective cover Figure 2 ;

[0030] Figure 7 for Figure 5 Enlarged view of point C in the middle.

[0031] The numbers in the figure represent:

[0032] 1. Box body; 11. Suction nozzle; 2. Rotating frame; 21. Protective cover; 3. Floating medicine storage assembly; 31. Floating platform; 32. Medicine storage tank; 33. Spring; 34. Guide rod; 4. Fan; 42. Hose; 5. Auxiliary medicine delivery mechanism; 51. Medicine delivery assembly; 511. Medicine delivery tube; 512. Piston; 513. Push block; 514. First rotating rod; 515. Second rotating rod; 516. Mounting block; 517. First spring; 52. First locking assembly; 521. Rotating arm; 522. Round rod; 523. Extension rod; 524. Extension block; 53. Second locking assembly; 531. Block; 532. Second spring; 533. Push rod; 535. Second unlocking lever; 6. Tongue depressor assembly; 61. Connecting rod; 62. Tongue depressor block. DETAILED DESCRIPTION

[0033] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] The terms “left,” “right,” “front,” “back,” “up,” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0035] Example 1: In some embodiments, please refer to the accompanying drawings of the specification. Figure 1-Figure 5 , a drug delivery device for inhaled drugs, comprising a box body 1;

[0036] A suction nozzle 11 is provided on the upper side of the box body 1; a rotating frame 2 is rotatably mounted on the left side of the box body 1, and a protective cover 21 for protecting the suction nozzle 11 is fixedly mounted on the upper side of the rotating frame 2; a tongue depressor assembly 6 is mounted on the suction nozzle 11; the protective cover 21 is snap-fitted to the suction nozzle 11;

[0037] A floating medicine storage assembly 3 is installed inside the box body 1; a fan 4 is installed on the top of the floating medicine storage assembly 3; an auxiliary medicine delivery mechanism 5 is installed inside the box body 1, at the lower end of the rotating frame 2, and at the lower end of the tongue depressor assembly 6. The auxiliary medicine delivery mechanism 5 includes a medicine delivery assembly 51, a first locking assembly 52, and a second locking assembly 53. The medicine delivery assembly 51 is installed in the box body 1, and the first locking assembly 52 is installed on the medicine delivery assembly 51 and the rotating frame 2; the second locking assembly 53 is installed on the box body 1 and the tongue depressor assembly 6;

[0038] The outlet of the medicine delivery component 51 is connected to the suction nozzle 11; the fan 4 is fixedly connected to one end of the hose 42, and the other end of the hose 42 is fixedly connected to the upper end of the medicine delivery component 51.

[0039] The fan 4 is a mature device available on the market in this field.

[0040] In this embodiment, when the drug delivery device for inhalation medicine is working normally, in the initial state, the protective cover 21 on the rotating frame 2 covers the suction nozzle 11, and at this time the first locking component 52 presses the floating medicine storage component 3 and the medicine delivery component 51; the rotating frame 2 is rotated to separate the protective cover 21 from the suction nozzle 11. During this process, the rotating frame 2 drives the first locking component 52 to disengage the locking of the floating medicine storage component 3 and the medicine delivery component 51, and the second locking component 53 keeps the locking of the medicine delivery component 51; at this time, the vibration of the floating medicine storage component 3 drives the vibration and shaking of the medicine powder to make the medicine powder more uniform, and the fan 4 is started to drive the medicine powder in the floating medicine storage component 3 to diffuse into the hose 42 and the medicine delivery component 51; the suction nozzle 11 is placed in the user's mouth, and the user's tongue is pushed back by the tongue depressor component 6, which helps It helps the user's tongue to retract and maintain the standard action of inhaling medicine, avoiding waste caused by inhaling medicine into the throat; at the same time, the tongue depressor component 6 drives the second locking component 53 to unlock, and at this time the medicine delivery component 51 pushes the atomized medicine to move, accelerating the flow of the atomized medicine into the user's mouth; so that the user does not need to apply too much suction force when inhaling the medicine, reduces the burden on the lungs, and makes inhalation more convenient; and avoids the fan 4 directly pushing and causing irritation to the lungs; after use, the tongue depressor component 6 is reset to drive the second locking component 53 to reset, and the rotating frame 2 drives the protective cover 21 to cover the suction nozzle 11. During this process, the rotating frame 2 drives the first locking component 52 to press down the floating medicine storage component 3 and the medicine delivery component 51, so that the floating medicine storage component 3 and the medicine delivery component 51 are charged again for the next use.

[0041] Embodiment 2: In some embodiments, as Figure 1-Figure 5As shown in FIG. 1 , as a preferred embodiment of the present invention, the floating medicine storage assembly 3 includes a floating platform 31, a medicine storage tank 32, a spring 33 and a guide rod 34. A plurality of guide rods 34 are fixedly mounted on the lower side of the floating platform 31. The guide rods 34 slide with the inner bottom of the box body 1 within a limited position. A spring 33 is provided on the outer sleeve of the guide rod 34. One end of the spring 33 is fixedly connected to the floating platform 31, and the other end of the spring 33 is fixedly connected to the box body 1. A medicine storage tank 32 is fixedly mounted on the upper side of the floating platform 31.

[0042] The fan 4 is fixedly installed on the top of the medicine storage tank 32;

[0043] The tongue depressor assembly 6 includes a connecting rod 61 and a tongue depressor block 62. The outer side of the suction nozzle 11 is hinged to one end of the connecting rod 61. A torsion spring is sleeved on the hinge axis between the suction nozzle 11 and the connecting rod 61. The two elastic legs of the torsion spring are hinged to the suction nozzle 11 and the connecting rod 61 respectively. A plurality of connecting rods 61 are provided, and the plurality of connecting rods 61 are distributed in a rectangular array on the outer side of the suction nozzle 11. The other end of the connecting rod 61 is rotatably mounted on the same tongue depressor block 62.

[0044] The medicine delivery assembly 51 includes a medicine delivery tube 511, a piston 512, and a pushing assembly. The medicine delivery tube 511 is fixedly installed inside the box body 1, and the piston 512 slides within the medicine delivery tube 511. The pushing assembly is installed inside the box body 1.

[0045] The other end of the hose 42 is fixedly connected to the upper end of the medicine delivery tube 511; the medicine delivery tube 511 is connected to the suction nozzle 11;

[0046] The pushing assembly includes a pushing block 513, a first rotating rod 514, a second rotating rod 515 and a mounting block 516. A pushing block 513 fixedly connected to the piston 512 is slidably mounted on the lower side of the medicine delivery tube 511. The lower side of the pushing block 513 is rotatably connected to the upper end of the first rotating rod 514. Two first rotating rods 514 are provided, and the two first rotating rods 514 are symmetrically distributed on the lower side of the pushing block 513; the lower end of the first rotating rod 514 is rotatably connected to the upper end of the second rotating rod 515, and the lower end of the second rotating rod 515 is rotatably connected to the mounting block 516. The mounting block 516 is fixedly mounted on the inner bottom of the box body 1;

[0047] The pushing assembly further includes a first spring 517 , and the lower ends of the two first rotating rods 514 are fixedly connected to the two ends of the first spring 517 respectively.

[0048] When the medicine is delivered to the user, the first locking member 52 is engaged and the second locking member 53 is engaged, and the second locking member 53 is engaged, so that the medicine is delivered to the user. The tongue depressor 62 drives the connecting rod 61 to rotate, and the connecting rod 61 drives the second locking assembly 53 to move and unlock the medicine delivery assembly 51; then the first spring 517 resets and drives the first rotating rod 514 and the second rotating rod 515 to rotate, so that the angle between the first rotating rod 514 and the second rotating rod 515 becomes larger, and the first rotating rod 514 drives the push block 513 and the piston 512 to move upward in the medicine delivery tube 511, pushing the atomized medicine in the medicine delivery tube 511 into the user's mouth; after use, The reset of the connecting rod 61 drives the tongue pressing block 62 to reset, and the reset of the connecting rod 61 drives the second locking assembly 53 to reset; then the rotating frame 2 is rotated to drive the protective cover 21 to cover the suction nozzle 11, and at the same time, the rotating frame 2 drives the first locking assembly 52 to reset, and the first locking assembly 52 drives the push block 513 and the piston 512 to move downward through the first rotating rod 514 and the second rotating rod 515; at the same time, the first locking assembly 52 drives the floating platform 31 to move vertically downward under the limiting action of the guide rod 34, and the spring 33 is compressed to complete the reset.

[0049] Embodiment 3: In some embodiments, as Figure 1-Figure 7 As shown in FIG. 5 , as a preferred embodiment of the present invention, the first locking assembly 52 includes a rotating arm 521, a round rod 522, and an extension rod 523. One end of the extension rod 523 is fixedly connected to the upper end of a second rotating rod 515. One end of the rotating arm 521 is fixedly connected to the lower end of the rotating frame 2. The other end of the rotating arm 521 is fixedly mounted with a round rod 522 for pressing down the extension rod 523.

[0050] The first locking assembly 52 further includes an extension block 524 , which is fixedly mounted on the side of the floating platform 31 , and the round rod 522 slides in contact with the extension block 524 ;

[0051] The second locking assembly 53 includes a clamping block 531, a second spring 532, a lever 533, and an unlocking assembly. The clamping block 531 slides with the inner wall of the box body 1. The upper end of the clamping block 531 is provided with a guide surface that facilitates sliding engagement with the extension rod 523. The interior of the clamping block 531 is fixedly connected to one end of the second spring 532, and the other end of the second spring 532 is fixedly connected to the box body 1. The lever 533 is fixedly mounted on the clamping block 531. The unlocking assembly is mounted on the connecting rod 61.

[0052] The unlocking assembly includes a rotating groove and a second unlocking rod 535. A rotating groove is opened on the upper side of the box body 1. The upper end of the second unlocking rod 535 is fixedly connected to the lower end of the connecting rod 61. The other end of the second unlocking rod 535 passes through the rotating groove to the interior of the box body 1 and abuts against the lever 533.

[0053] In this embodiment, when the first locking assembly 52 and the second locking assembly 53 are working normally, in the initial state, the protective cover 21 on the rotating frame 2 covers the suction nozzle 11, and the round rod 522 at the end of the rotating arm 521 presses the extension rod 523 and the extension block 524 fixedly installed on the floating platform 31, so that the first spring 517 between the two first rotating rods 514 is stretched, and the angle between the first rotating rod 514 and the second rotating rod 515 is small; the spring 33 is compressed; when in use, the rotating frame 2 is quickly rotated to separate the protective cover 21 from the suction nozzle 11. During this process, the rotating frame 2 drives the rotating arm 521 and the round rod 522 to rotate, so that the round rod 522 no longer presses the extension rod 523 and the extension block 524; at this time, the block 53 1 locks the second rotating rod 515 through the extension rod 523; the spring 33 resets and drives the floating platform 31 to move vertically, and the floating platform 31 drives the medicine storage tank 32 to move vertically, thereby driving the powder to shake; the fan 4 drives a certain dose of powder to be transferred to the medicine delivery tube 511, the suction nozzle 11 is placed in the user's mouth, and the user's tongue is pushed back by the tongue depressor 62, the tongue depressor 62 drives the connecting rod 61 to rotate, and the connecting rod 61 drives the second unlocking rod 535 to rotate, and the second unlocking rod 535 rotates and drives the lever 533 to move, and the lever 533 moves and drives the block 531 to move horizontally under the limiting action of the box body 1, so that the block 531 no longer blocks the extension rod 523; the second spring 532 is compressed; then the first spring 517 resets The first rotating rod 514 and the second rotating rod 515 are driven to rotate, thereby increasing the angle between the first rotating rod 514 and the second rotating rod 515, and the first rotating rod 514 drives the push block 513 and the piston 512 to move upward in the medicine delivery tube 511, thereby pushing the atomized medicine in the medicine delivery tube 511 into the user's mouth; after use, the connecting rod 61 is reset to drive the tongue depressor 62 to reset, and the connecting rod 61 is reset to drive the second unlocking rod 535 to reset; the second spring 532 is reset to drive the card block 531 to reset; then the rotating frame 2 is rotated to drive the protective cover 21 to cover the suction nozzle 11, and at the same time, the rotating frame 2 drives the rotating arm 521 to rotate, and the rotating arm 521 drives the round rod 522 to rotate, and the round rod 522 is extended through the extension rod 523 The second rotating rod 515 is pressed down, driving the second rotating rod 515 to move downward, and the first spring 517 is stretched; during this process, the extension rod 523 moves downward and contacts the guide surface at the upper end of the block 531 and pushes the block 531 to move, and the second spring 532 is compressed until the extension rod 523 moves to the lower side of the block 531. The block 531 is reset under the action of the reset force of the second spring 532, thereby blocking the extension rod 523 through the lower side of the block 531; thereby, the push block 513 and the piston 512 are driven downward by the first rotating rod 514 and the second rotating rod 515; at the same time, the round rod 522 drives the floating platform 31 to move vertically downward under the limiting action of the guide rod 34 through the extension block 524, and the spring 33 is compressed to complete the reset.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A drug delivery device for inhaled drugs, comprising a box body (1), characterized in that: A suction nozzle (11) is provided on the upper side of the box body (1); a rotating frame (2) is rotatably mounted on the left side of the box body (1); a protective cover (21) for protecting the suction nozzle (11) is fixedly mounted on the upper side of the rotating frame (2); a tongue depressor assembly (6) is mounted on the suction nozzle (11); the protective cover (21) is snap-fitted to the suction nozzle (11); A floating medicine storage assembly (3) is installed inside the box body (1); a fan (4) is installed inside the floating medicine storage assembly (3); an auxiliary medicine delivery mechanism (5) is installed inside the box body (1), at the lower end of the rotating frame (2) and at the lower end of the tongue depressing assembly (6), the auxiliary medicine delivery mechanism (5) comprising a medicine delivery assembly (51), a first locking assembly (52) and a second locking assembly (53); the medicine delivery assembly (51) is installed inside the box body (1), the first locking assembly (52) is installed on the medicine delivery assembly (51) and the rotating frame (2); the second locking assembly (53) is installed on the box body (1) and the tongue depressing assembly (6); The outlet of the medicine delivery component (51) is connected to the suction nozzle (11); the atomization outlet of the fan (4) is fixedly connected to the lower end of the delivery pipe (41); the upper end of the delivery pipe (41) is fixedly connected to one end of the hose (42); and the other end of the hose (42) is fixedly connected to the upper end of the medicine delivery component (51); The first locking assembly (52) comprises a rotating arm (521), a round rod (522) and an extension rod (523); one end of the extension rod (523) is fixedly connected to the upper end of a second rotating rod (515); one end of the rotating arm (521) is fixedly connected to the lower end of the rotating frame (2); the other end of the rotating arm (521) is fixedly mounted with a round rod (522) for pressing down the extension rod (523); The first locking assembly (52) further comprises an extension block (524), the extension block (524) being fixedly mounted on the side of the floating platform (31), and the round rod (522) slidingly fits with the extension block (524).

2. The inhalation drug delivery device according to claim 1, characterized in that: The floating medicine storage assembly (3) comprises a floating platform (31), a medicine storage tank (32), a spring (33) and a guide rod (34). A plurality of guide rods (34) are fixedly mounted on the lower side of the floating platform (31). The guide rods (34) slide with the inner bottom of the box body (1) in a limited manner. A spring (33) is provided on the outer sleeve of the guide rod (34). One end of the spring (33) is fixedly connected to the floating platform (31), and the other end of the spring (33) is fixedly connected to the box body (1). The medicine storage tank (32) is fixedly mounted on the upper side of the floating platform (31).

3. The inhalation drug delivery device according to claim 2, characterized in that: The tongue depressor assembly (6) comprises a connecting rod (61) and a tongue depressor block (62); the outer side of the suction nozzle (11) is hinged to one end of the connecting rod (61); a torsion spring is sleeved on the hinge axis between the suction nozzle (11) and the connecting rod (61); two elastic legs of the torsion spring are hinged to the suction nozzle (11) and the connecting rod (61) respectively; a plurality of connecting rods (61) are provided, and the plurality of connecting rods (61) are distributed in a rectangular array outside the suction nozzle (11); the other end of the connecting rod (61) is rotatably mounted on the same tongue depressor block (62).

4. The inhalation drug delivery device according to claim 3, characterized in that: The medicine delivery assembly (51) comprises a medicine delivery tube (511), a piston (512) and a pushing assembly. The medicine delivery tube (511) is fixedly mounted inside the box body (1), and the piston (512) slides within the medicine delivery tube (511) in a limited manner. The pushing assembly is mounted inside the box body (1).

5. The inhalation drug delivery device according to claim 4, characterized in that: The pushing assembly includes a pushing block (513), a first rotating rod (514), a second rotating rod (515) and a mounting block (516). The pushing block (513) fixedly connected to the piston (512) is slidably mounted on the lower side of the medicine delivery tube (511). The lower side of the pushing block (513) is rotatably connected to the upper end of the first rotating rod (514). Two first rotating rods (514) are provided, and the two first rotating rods (514) are symmetrically distributed on the lower side of the pushing block (513); the lower end of the first rotating rod (514) is rotatably connected to the upper end of the second rotating rod (515), and the lower end of the second rotating rod (515) is rotatably connected to the mounting block (516). The mounting block (516) is fixedly mounted on the inner bottom of the box body (1).

6. The inhalation drug delivery device according to claim 5, characterized in that: The pushing assembly further comprises a first spring (517), and the lower ends of the two first rotating rods (514) are respectively fixedly connected to the two ends of the first spring (517).

7. The inhalation drug delivery device according to claim 1, characterized in that: The second locking assembly (53) comprises a clamping block (531), a second spring (532), a shifting rod (533) and an unlocking assembly. The clamping block (531) is limitedly slidable with the inner wall of the box body (1). The upper end of the clamping block (531) is provided with a guide surface for sliding in contact with the extension rod (523). The interior of the clamping block (531) is fixedly connected to one end of the second spring (532), and the other end of the second spring (532) is fixedly connected to the box body (1). The shifting rod (533) is fixedly mounted on the clamping block (531); and the unlocking assembly is mounted on the connecting rod (61).

8. The inhalation drug delivery device according to claim 7, characterized in that: The unlocking assembly comprises a rotation groove and a second unlocking rod (535). The upper side of the box body (1) is provided with a rotation groove. The upper end of the second unlocking rod (535) is fixedly connected to the lower end of the connecting rod (61). The other end of the second unlocking rod (535) passes through the rotation groove into the interior of the box body (1) and abuts against the shifting rod (533).

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