CN213466379U

CN213466379U - Capsule type powder fog inhalation device

Info

Publication number: CN213466379U
Application number: CN202022199322.7U
Authority: CN
Inventors: 何光杰; 韩英; 张强; 王素芸; 周业芳; 孙亮
Original assignee: Tianjin Jinyao Medical Technology Co ltd
Current assignee: Tianjin Nuoda Medical Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-06-18
Anticipated expiration: 2030-09-29

Abstract

The capsule type powder mist suction device comprises a medicine bin, a support, a first connecting piece and a second connecting piece, wherein the medicine bin is provided with a cavity for containing a capsule and an air channel tangent to the cavity; the bracket is provided with a suction channel; the first connecting piece is arranged in the medicine bin; the second connecting piece is arranged on the bracket; the first connecting piece is matched with the second connecting piece, and the medicine cabin is connected with the bracket in a sliding way; when the medicine cabin slides to a first preset position, the cavity is butted and communicated with the suction channel for administration; when the medicine bin slides to the second preset position, the cavity is exposed to fill the capsule. So this application can make the medicine storehouse expose through gliding form to do benefit to and load the capsule, and only need the one-hand operation can, need not both hands in coordination, easy operation is convenient.

Description

Capsule type powder fog inhalation device

Technical Field

The application relates to the technical field of medical instruments, in particular to a capsule type powder mist suction device.

Background

In the treatment of bronchial diseases and other diseases where respiratory medication can be effective, it is known to use powdered medicaments in addition to aerosolized solution or suspension inhalation aerosols. In this respect, a common form of application is the supply of medicament from a powdered medicament inhaler.

However, in the prior art, the medicine bin and the suction nozzle of the powder medicine inhaler are connected by the hinge, the medicine bin is exposed and needs to be operated by matching two hands, and the powder medicine inhaler is difficult to operate for some patients or weak people and users with uncoordinated matching of two hands. This use neotype product, the medicine storehouse exposes can one-hand operation, and gliding form is released, and easy operation is convenient.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide a capsule type powder mist inhalation device which can expose a medicine cartridge by a sliding form to facilitate filling of a capsule.

The embodiment of the application is realized as follows:

a capsule type powder mist inhaler comprising: the capsule filling device comprises a medicine bin, a support, a first connecting piece and a second connecting piece, wherein the medicine bin is provided with a cavity for containing a capsule and an air channel tangent to the cavity; the bracket is provided with a suction channel; the first connecting piece is arranged in the medicine bin; the second connecting piece is arranged on the bracket; the first connecting piece is matched with the second connecting piece, and the medicine bin is connected with the bracket in a sliding manner; when the medicine bin slides to a first preset position, the cavity is in butt joint with and communicated with the inhalation channel for administration; when the medicine bin slides to a second preset position, the cavity is exposed to fill the capsule.

In one embodiment, the holder is provided with a mounting recess communicating with the inhalation channel, the mounting recess being configured to receive the cartridge.

In one embodiment, the first connecting member includes: the two guide rails are respectively arranged on the two parallel outer surfaces of the medicine bin; the second connector includes: and the two guide rail grooves are respectively arranged on the two parallel inner surfaces of the mounting groove.

In one embodiment, the first connecting member includes: the two guide rail grooves are respectively arranged on the two parallel outer surfaces of the medicine bin; the second connector includes: and the two guide rails are respectively arranged on the two parallel inner surfaces of the mounting groove.

In one embodiment, the capsule type powder fog inhalation device further comprises: and the capsule puncturing mechanism is arranged in the medicine bin and is used for puncturing the capsule in the cavity.

In one embodiment, a fixing position matched with the capsule is arranged in the cavity; the capsule piercing mechanism comprises: the two buttons can be movably arranged on the medicine bin, and the two buttons are respectively arranged on the outer surface of the medicine bin where the two guide rails are located; a plurality of piercing elements are respectively connected with the two buttons and can extend into the fixed position for piercing the capsule; a plurality of reset elements are provided on the piercing element or the button for resetting.

In an embodiment, the bracket is provided with a through slot configured to accommodate the two buttons, and the two buttons can pass through the through slot when the cartridge slides between the first preset position and the second preset position.

In one embodiment, the bracket is provided with a through hole communicated with the mounting groove, and the medicine bin is provided with a pressing structure matched with the through hole; when the medicine bin is located at the first preset position, the pressing structure is arranged in the through hole.

In one embodiment, the pressing structure includes: the supporting rod is connected with the medicine bin; the pressing plate is connected with the supporting rod, and a gap is reserved between the pressing plate and the medicine bin.

In one embodiment, a first limiting groove is formed in one surface of the medicine bin, which is far away from the cavity opening, and a second protruding part is arranged in the first limiting groove; a limiting buckle is arranged at one end of the medicine bin where the cavity opening is located; the bracket comprises a first limiting elastic sheet and a second limiting groove, the first limiting elastic sheet is arranged in the mounting groove, and a first protruding part is arranged on the first limiting elastic sheet; the first limiting groove is provided with an opening for the first limiting elastic sheet to pass through, and when the medicine bin slides, the first limiting elastic sheet can move in the first limiting groove or penetrate out of the first limiting groove from the opening; when the medicine bin moves to a first preset position, the first protruding portion abuts against the second protruding portion, and the limiting buckle is buckled with the second limiting groove.

In an embodiment, the bracket includes a second limiting member, and the second limiting member is disposed in the mounting groove; when the medicine bin slides, the second limiting piece moves in the first limiting groove; when the medicine bin moves to a second preset position, the second limiting piece is abutted to the inner side wall of the first limiting groove.

In one embodiment, the bracket comprises a main body part and a bottom cover which can be detachably connected together; the first limiting elastic sheet and the second limiting piece are arranged on the bottom cover; the mounting groove and the second limiting groove are arranged on the main body part, a mounting hole communicated with the mounting groove is formed in the main body part, and the first limiting elastic sheet and the second limiting piece penetrate through the mounting hole and extend into the mounting groove.

In one embodiment, the support comprises a mouthpiece portion, the inhalation passage is disposed in the mouthpiece portion, and the mouthpiece portion is externally sleeved with an outer sleeve.

Compared with the prior art, the beneficial effect of this application is:

this application makes medicine storehouse and support sliding connection through first connecting piece and second connecting piece to can make the medicine storehouse expose through gliding form, thereby do benefit to and fill the capsule, and only need the one-hand operation can, need not both hands in coordination, easy operation is convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural view of a capsule type powder mist inhalation device according to an embodiment of the present application when a medicine compartment is at a first predetermined position.

Fig. 2 is a schematic structural diagram of a capsule type powder mist inhalation device according to an embodiment of the present application when a medicine bin is at a second predetermined position.

Fig. 3 is an exploded view of a part of the structure of a capsule type powder mist inhalation device according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a capsule type powder mist inhalation device according to an embodiment of the present application when a medicine bin is at a second predetermined position.

Fig. 5 is a front view of a capsule type powder mist inhalation device according to an embodiment of the present application.

Figure 6 is a cross-sectional view taken in the direction a-a of figure 5, illustrating an embodiment of the present application when the cartridge is in a first predetermined position.

Figure 7 is a sectional view taken in the direction of a-a of figure 5, illustrating an embodiment of the present application when the cartridge is in a second predetermined position.

Fig. 8 is an exploded view of a capsule type powder mist inhalation device according to an embodiment of the present application.

Icon: 1-capsule type powder mist inhalation device; 100-medicine storehouse; 110-a cavity; 120-fixed position; 121-puncturing holes; 130-air channel; 140-a pressing structure; 141-a strut; 142-a pressing plate; 143-gap; 144-an identifier; 150-a first limit groove; 151-second boss; 152-an opening; 153-a first wall; 160-a first connector; 170-limiting buckle; 200-a scaffold; 210-a body portion; 211-mounting grooves; 212-through slots; 213-a through hole; 214-mounting holes; 220-a mouthpiece section; 221-a suction channel; 230-a jacket; 240-bottom cover; 241-a first limiting elastic sheet; 242 — a first boss; 243-second limiting member; 244-a second retaining groove; 245-a fixed plate; 260-a second connector; 300-capsule piercing mechanism; 310-a button; 320-a piercing element; 330-reset element.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

The technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of a capsule powder mist inhalation device 1 according to an embodiment of the present application when a medicine bin 100 is at a first predetermined position. Please refer to fig. 2, which is a schematic structural diagram of the capsule powder mist inhalation device 1 according to an embodiment of the present application when the medicine bin 100 is at the second predetermined position. A capsule type powder mist inhalation device 1 comprises a medicine bin 100, a bracket 200, a first connecting piece 160, a second connecting piece 260 and a capsule puncturing mechanism 300, wherein the medicine bin 100 is provided with a cavity 110 for containing a capsule and an air channel 130 tangent to the cavity 110; the holder 200 has a suction channel 221; the first connecting piece 160 is arranged on the medicine bin 100; the second connecting piece 260 is arranged on the bracket 200; the first connector 160 and the second connector 260 are matched, and the cartridge 100 is slidably connected with the bracket 200; the capsule piercing mechanism 300 is disposed in the cartridge 100 for piercing the capsule in the chamber 110. Wherein, when the cartridge 100 slides to the first preset position, the cavity 110 is in butt joint with and communicated with the inhalation channel 221 for administration; when the cartridge 100 slides to the second predetermined position, the cavity 110 is exposed for filling the capsule.

In an operation process, a user slides the medicine bin 100 through any exposed position of the medicine bin 100 to enable the medicine bin 100 to reach a second preset position, the cavity 110 is exposed, the user puts a capsule containing a medicine into the cavity 110, then slides the medicine bin 100 to enable the medicine bin 100 to reach the first preset position, the capsule is punctured through the capsule puncturing mechanism 300, the user inhales air through the inhalation passage 221, surrounding air enters the cavity 110 through the air passage 130, the air rushing into the cavity 110 forms a vortex in the cavity 110 due to the tangency of the air passage 130 and the cavity 110, the capsule can rotate in the cavity 110 under the driving of air flow and continuously collides with the inner wall of the cavity 110, the medicine in the capsule leaves from the capsule and is inhaled by the user along with the air flow through the inhalation passage 221, after one capsule is used up, the user can slide the medicine bin 100 to enable the medicine bin 100 to reach the second preset position, the capsule is replaced and the device is used continuously. Wherein the medicament may be in powder form.

In a further operation, the pierced capsule is placed directly into the cartridge 100 without or with continued use of the capsule piercing mechanism 300. Therefore, the capsule type powder mist inhaler 1 may not be provided with the capsule insertion mechanism 300.

Therefore, the first connecting part 160 and the second connecting part 260 are used for connecting the medicine bin 100 and the support 200 in a sliding manner, so that the medicine bin 100 can be exposed in a sliding manner, capsules can be filled conveniently, only one-hand operation is needed, two hands are not needed to cooperate, and the operation is simple and convenient.

Please refer to fig. 3, which is an exploded view of a part of the structure of the capsule-type powder mist inhalation device 1 according to an embodiment of the present application. A fixing position 120 matched with the capsule is arranged in the cavity 110; the capsule penetration mechanism 300 includes: two buttons 310, a plurality of piercing elements 320 and a plurality of restoring elements 330, wherein the two buttons 310 are movably disposed on the cartridge 100 by means of snap connection, insertion, etc., and the two buttons 310 are respectively disposed on two parallel surfaces of the cartridge 100; a plurality of piercing elements 320 are respectively connected to the two buttons 310 and can be inserted into the fixed position 120 for piercing the capsule; a plurality of reset elements 330 are provided on the piercing element 320 or the button 310 for resetting.

The reset element 330 may be a compression spring or a metal spring, the piercing element 320 may be a needle or a spike, and the fixing portion 120 is provided with a piercing hole 121 through which the piercing element 320 passes.

In this embodiment, the return element 330 is a compression spring that fits over the piercing element 320 and is connected to the button 310.

In one operation, the user presses the two buttons 310 to make the piercing member 320 pass through the piercing hole 121, and after the capsule is punctured, the buttons 310 are reset by the resetting member 330. When the cartridge 100 is pushed out to the second predetermined position, the cartridge 100 and the capsule piercing mechanism 300 can be pushed out together as a unit, requiring only a simple operation with one hand and not requiring cooperation of both hands.

Wherein, the fixing portion 120 may have a strip-shaped hole matching with the size and shape of the capsule for better blocking the capsule to avoid the failure of the capsule due to the rolling of the capsule when the piercing element 320 pierces the capsule. The cross section of the cavity 110 can be a circular hole, the diameter of the cavity is slightly larger than that of the capsule, the capsule is contained and simultaneously rotates in a certain space, and the capsule can collide with the inner wall of the cavity 110, so that medicine discharging is facilitated. Wherein, as a result of the user inhaling, the vortex formed in the chamber 110 may cause the pierced capsule to rise in the holding position 120, rotating into the upper space of the chamber 110.

Please refer to fig. 4, which is a schematic structural diagram of the capsule powder mist inhalation device 1 according to an embodiment of the present application when the medicine bin 100 is at the second predetermined position. The longitudinal direction of the inhalation passage 221 is defined as the up-down direction, the sliding direction of the cartridge 100 is defined as the left-right direction, and the direction in which the two buttons 310 are located is defined as the front-rear direction, wherein the movement of the first preset position to the second preset position is referred to as the right movement, thereby determining the up-down, left-right, front-rear directions. Here, the positive Z direction represents upward, the positive X direction represents rightward, and the positive Y direction represents forward.

The inhalation channel 221 is provided on the upper surface of the support 200, and the support 200 is provided on the right side surface thereof with a mounting groove 211 communicating with the inhalation channel 221, the mounting groove 211 being configured to receive the cartridge 100. When the cartridge 100 slides between the first preset position and the second preset position, the cartridge 100 is inserted into the mounting recess 211 leftward or inserted into the mounting recess 211 rightward.

The first connecting member 160 comprises two guide rails, which are respectively disposed on two parallel outer surfaces of the cartridge 100; the second connector 260 includes two guide grooves matching with the guide rails, and the two guide grooves are respectively formed on two parallel inner surfaces of the mounting groove 211. Wherein, two guide rails and two buttons 310 are provided on the front and rear outer surfaces of the cartridge 100.

To avoid the two buttons 310 colliding with the bracket 200, the bracket 200 is provided with a through slot 212, the through slot 212 is configured to receive the two buttons 310, and the two buttons 310 can pass through the through slot 212 when the cartridge 100 slides between the first preset position and the second preset position. Wherein the through groove 212 and the mounting groove 211 together penetrate the front and rear surfaces and the right side surface of the stand 200.

In another embodiment, the first connecting element 160 includes: the two guide rail grooves are respectively arranged on the two parallel outer surfaces of the medicine bin 100; the second connector 260 includes: two guide rails matching with the guide rail grooves are respectively arranged on two parallel inner surfaces of the mounting groove 211.

A through hole 213 communicated with the mounting groove 211 is formed on the left side surface of the bracket 200, and a pressing structure 140 matched with the through hole 213 is arranged on the left side surface of the medicine bin 100; wherein, when the cartridge 100 is at the first predetermined position, the pressing structure 140 is disposed in the through hole 213.

In an operation process, a user can press the pressing structure 140 on the medicine bin 100 by a thumb to enable the medicine bin 100 to be separated from the mounting groove 211, and the operation can be simple and convenient by one hand.

In another embodiment, the first connector 160 is disposed on the upper surface of the cartridge 100, and the second connector 260 is disposed on the lower surface of the frame 200.

A plurality of air passages 130 are provided, and each air passage 130 communicates with the chamber 110.

Fig. 5 is a front view of the capsule type powder mist inhalation device 1 according to an embodiment of the present application. Referring to fig. 6, a sectional view along the line a-a of fig. 5 is shown when the cartridge 100 is in the first predetermined position according to an embodiment of the present disclosure. Referring to fig. 7, a sectional view along the line a-a of fig. 5 is shown when the cartridge 100 is in the second predetermined position according to an embodiment of the present application.

The pressing structure 140 includes: a supporting rod 141 and a pressing plate 142, wherein the supporting rod 141 is connected with the medicine bin 100; the pressing plate 142 is connected with the supporting rod 141, and a gap 143 is left between the pressing plate 142 and the cartridge 100. The gap 143 can play a role in buffering, thereby avoiding the damage of the guide rail and the guide rail groove caused by the overlarge pressing force of a user and prolonging the service life of the product.

A first limiting groove 150 is formed in one surface (the lower surface of the medicine bin 100) of the medicine bin 100, which is far away from the opening 152 of the cavity 110, and a second protruding part 151 is arranged in the first limiting groove 150; a limiting buckle 170 is arranged at one end (the upper surface of the medicine bin 100) of the medicine bin 100 where the opening 152 of the cavity 110 is located; the bracket 200 includes a first limiting elastic sheet 241, a second limiting member 243 and a second limiting groove 244, the first limiting elastic sheet 241 and the second limiting member 243 are disposed in the mounting groove 211, and a first protruding portion 242 is disposed on the first limiting elastic sheet 241. The first position-limiting groove 150 has an opening 152 for the first position-limiting elastic piece 241 to pass through.

In the present embodiment, the second protrusion 151, the limiting buckle 170, the first limiting elastic sheet 241, the second limiting member 243 and the second limiting groove 244 are used to limit the position of the cartridge 100.

In an operation process, when the cartridge 100 slides between the first predetermined position and the second predetermined position, the second position-limiting member 243 can move in the first position-limiting groove 150, and the first position-limiting elastic piece 241 can move in the first position-limiting groove 150 or pass through the opening 152 from the first position-limiting groove 150.

When the cartridge 100 moves to the first predetermined position, the first protrusion 242 abuts against the second protrusion 151, and the limiting buckle 170 is buckled with the second limiting groove 244. Because the second protruding part 151 is located at the lower right side relative to the limiting buckle 170, the medicine bin 100 is fixed in the mounting groove 211 through the limitation of multiple parts of the medicine bin 100, and the medicine bin 100 is prevented from falling off due to unstable fixation in the carrying process of a user.

When the cartridge 100 moves from the first preset position to the second preset position in the process of moving rightwards, the user presses the plate 142, the pressing plate 142 passes through the through hole 213, the second protruding portion 151 generates a pushing force on the first protruding portion 242, and the first limiting elastic sheet 241 can be deformed to enable the second protruding portion 151 to jump over, so that the first limiting elastic sheet 241 can be prevented from limiting the movement of the cartridge 100, and then the first limiting elastic sheet 241 passes through the limiting groove from the opening 152, and the cartridge 100 continues to slide.

When the cartridge 100 moves to the second predetermined position, the second position-limiting member 243 abuts against the inner sidewall of the first position-limiting groove 150. Since the user needs to mount the cartridge 100 in the mounting recess 211 again if the cartridge 100 is completely separated from the mounting recess 211, the one-handed operation may be difficult. Therefore, the second limit part 243 is provided in this embodiment, so that the capsule-type powder inhalation device 1 can be operated by one hand, and the operation is more convenient.

The second protruding portion 151 and the limiting buckle 170 may be integrally formed with the medicine bin 100, the first limiting elastic piece 241 may be made of metal, plastic or other elastic materials, and the first protruding portion 242 is formed by bending the first limiting elastic piece 241. The second position-limiting member 243 is formed by two rods or two protruding columns spaced apart from each other, the inner walls of the first position-limiting groove 150 at two sides of the opening 152 are referred to as two first walls 153, and the two rods or the two protruding columns abut against the two first walls 153.

Please refer to fig. 8, which is an exploded view of the capsule-type powder mist inhalation device 1 according to an embodiment of the present application. The holder 200 includes a mouthpiece portion 220, a mouthpiece passage 221 provided in the mouthpiece portion 220, and a casing 230 provided around the

mouthpiece portion

220 and 230. The outer cover 230 may be used to protect the cleanliness of the mouthpiece section 220.

The stand 200 further includes a main body portion 210 and a bottom cover 240 detachably coupled together; the first limiting elastic piece 241 and the second limiting piece 243 are both arranged on the bottom cover 240; the mouthpiece portion 220, the mounting groove 211 and the second limiting groove 244 are disposed on the main body portion 210, the main body portion 210 is provided with a mounting hole 214 communicated with the mounting groove 211, and the first limiting elastic piece 241 and the second limiting piece 243 penetrate through the mounting hole 214 and extend into the mounting groove 211.

The first limiting elastic piece 241 is disposed on the fixing plate 245, and the fixing plate 245 is fixed on the bottom cover 240 through a snap connection, a plug connection, or the like. The second limiting member 243 may be integrally formed with the bottom cover 240 or detachably connected thereto. The main body 210 and the bottom cover 240 are detachably connected by means of a snap connection, a plug connection, or the like.

An identifier 144 may be provided on the pressing structure 140 of the cartridge 100 to prompt the user how to operate.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A capsule type powder mist inhaler, comprising:

the medicine bin is provided with a cavity for containing the capsule and an air channel tangent to the cavity;

a holder having a suction channel;

the first connecting piece is arranged in the medicine bin; and

the second connecting piece is arranged on the bracket; the first connecting piece is matched with the second connecting piece, and the medicine bin is connected with the bracket in a sliding manner;

when the medicine bin slides to a first preset position, the cavity is in butt joint with and communicated with the inhalation channel for administration; when the medicine bin slides to a second preset position, the cavity is exposed to fill the capsule.

2. The capsule-type powder mist inhaler as claimed in claim 1, wherein a mounting groove communicating with the inhalation passage is provided on the holder, the mounting groove being configured to receive the cartridge.

3. The capsule-type powder mist inhaler of claim 2, wherein the first connecting member comprises two guide rails respectively disposed on two parallel outer surfaces of the cartridge;

the second connecting piece comprises two guide rail grooves matched with the guide rails, and the two guide rail grooves are respectively arranged on the two parallel inner surfaces of the mounting groove.

4. The capsule-type powder mist inhaler according to claim 3, further comprising:

the capsule puncturing mechanism is arranged in the medicine bin and is used for puncturing the capsule in the cavity;

a fixing position matched with the capsule is arranged in the cavity; the capsule piercing mechanism comprises:

the two buttons can be movably arranged on the medicine bin, and are respectively arranged on the outer surface of the medicine bin where the two guide rails are arranged;

a plurality of piercing elements respectively connected to the two buttons and capable of extending into the fixing position for piercing the capsule; and

a plurality of reset elements arranged on the piercing element or the button for resetting;

wherein the bracket is provided with a through slot configured to receive the two buttons, the two buttons being capable of passing through the through slot when the cartridge slides between the first and second preset positions.

5. The capsule-type powder mist inhaler as claimed in claim 3, wherein the holder is provided with a through hole communicating with the mounting groove, and the cartridge is provided with a pressing structure fitted with the through hole;

when the medicine bin is located at the first preset position, the pressing structure is arranged in the through hole.

6. The capsule-type powder mist inhaler according to claim 5, wherein the pressing structure comprises:

the supporting rod is connected with the medicine bin; and

the pressing plate is connected with the supporting rod, and a gap is reserved between the pressing plate and the medicine bin.

7. The capsule-type powder mist inhaler according to any one of claims 2 to 6,

a first limiting groove is formed in one surface, away from the cavity opening, of the medicine bin, and a second protruding portion is arranged in the first limiting groove;

a limiting buckle is arranged at one end of the medicine bin where the cavity opening is located;

the bracket comprises a first limiting elastic sheet and a second limiting groove, the first limiting elastic sheet is arranged in the mounting groove, and a first protruding part is arranged on the first limiting elastic sheet;

the first limiting groove is provided with an opening for the first limiting elastic sheet to pass through;

when the medicine bin slides, the first limiting elastic piece can move in the first limiting groove or penetrate out of the first limiting groove from the opening; when the medicine bin moves to a first preset position, the first protruding portion abuts against the second protruding portion, and the limiting buckle is buckled with the second limiting groove.

8. The capsule-type powder mist inhaler according to claim 7, wherein the holder includes a second stopper provided in the mounting groove;

when the medicine bin slides, the second limiting piece moves in the first limiting groove; when the medicine bin moves to a second preset position, the second limiting piece is abutted to the inner side wall of the first limiting groove.

9. The capsule-type powder mist inhaler according to claim 8, wherein the holder comprises a main body part and a bottom cover detachably coupled together;

the first limiting elastic sheet and the second limiting piece are arranged on the bottom cover;

the mounting groove and the second limiting groove are arranged on the main body part, a mounting hole communicated with the mounting groove is formed in the main body part, and the first limiting elastic sheet and the second limiting piece penetrate through the mounting hole and extend into the mounting groove.

10. The capsule-type powder mist inhaler according to claim 1, wherein the holder comprises a mouthpiece section, the inhalation passage is provided in the mouthpiece section, and an outer cover is provided over the mouthpiece section.