CN115120820B

CN115120820B - Lever-type breath-actuated inhaler device

Info

Publication number: CN115120820B
Application number: CN202210779826.7A
Authority: CN
Inventors: 王振勇; 徐勇智; 张群; 王阳阳
Original assignee: Shanghai Huarui Aerosol Co ltd
Current assignee: Shanghai Huarui Aerosol Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-30
Anticipated expiration: 2042-07-04
Also published as: CN115120820A

Abstract

The invention relates to the technical field of medical equipment, in particular to a lever type breath actuation inhaler device which comprises a driving cover shell, wherein the bottom end of the driving cover shell is connected with a lower cover shell through threads, the top end of the driving cover shell is provided with an air inlet, the bottom end of the lower cover shell is connected with an air suction nozzle, the middle part of the lower cover shell is fixedly connected with a fixed shell, the top end of a second rotating rod is provided with a third rotating rod, the middle part of the third rotating rod is fixedly connected with a buckling groove block, the inner wall of one end of a rebound plate is fixedly connected with a rebound sheet, and the bottom end of the lower cover shell is provided with a reset mechanism. This device adopts multistage laborsaving lever principle, through the combination of two laborsaving levers for actuating force contracts to and to contract and to breathe the actuation, and pure mechanical structure is guaranteeing actuated reliability and stability, thereby avoids unexpected actuated condition or the condition that does not produce the medicine when inhaling, thereby improves treatment, and this device greatly reduced to the technical requirement of part, change realization volume production.

Description

Lever type breath actuation inhaler device

Technical Field

The invention relates to the technical field of medical equipment, in particular to a lever type breath actuation inhaler device.

Background

Generally, the inhaled aerosol is manually pressed and inhaled, and the patient faces the coordination difficulty of actuation and inhalation when using the aerosol, so that the curative effect of some patients is poor, and the actual efficacy is influenced. In view of the above problems, the device is activated by patient inhalation, alleviating the difficulties of actuation in coordination with patient inhalation, and providing the maximum amount of drug to be inhaled by the patient into the lungs for better therapeutic efficacy, and the breath-actuated inhaler devices are marketed as the latest patents in norton wotdford limited: the breath actuated inhaler (CN, first rotating rod (11), flap valve plate (18) 954B) discloses the most representative structure, the structure is that after the mouthpiece cover is opened, the spring presses the lower cover downwards, the lower cover and the diaphragm form a sealed vacuum cavity, the vacuum cavity and the atmospheric pressure difference form an upward force and the elastic force of the valve is added to balance the spring force, thus realizing the force balance, namely the preparation structure, when a patient inhales, the flap valve opens the sealing part of the vacuum cavity, the air enters the vacuum cavity and loses the pressure difference force, the can moves downwards under the action of the spring force, the valve is opened, the content of the valve is released, and the actuation and the inhalation are cooperated;

the existing partial device needs to form a vacuum cavity to balance the spring force, the sealing performance of a valve hole channel of the vacuum cavity and a sealing piece determines the effect of the formed vacuum cavity, after a suction nozzle cover is opened for a period of time, the possibility of accidental actuation is generated, so that the stability of the device is poor, the inhaler is likely not to deliver medicine during inhalation, and the treatment effect is poor.

Disclosure of Invention

The invention aims to provide a lever type breath actuation inhaler device, which solves the problems that the prior devices in the background art possibly generate accidental braking during use, so that the device has poor stability, and the inhaler possibly does not deliver medicines during inhalation, so that the treatment effect is poor.

In order to achieve the purpose, the invention provides the following technical scheme: the lever type breath actuation inhaler device comprises a driving housing, wherein the bottom end of the driving housing is connected with a lower housing through threads, an air inlet is formed in the top end of the driving housing, the bottom end of the lower housing is connected with an air suction nozzle, the middle part of the lower housing is fixedly connected with a fixed shell, the inner wall of the top end of the driving housing is fixedly connected with a flap valve base, the bottom end of the flap valve base is provided with a tank body seat, the top end of the tank body seat is fixedly connected with a pull buckle disc, one side of the inner wall of the middle part of the flap valve base is fixedly connected with a flap valve fixing plate, the other side of the inner wall of the middle part of the flap valve base is fixedly connected with a flap valve plate, one end of the flap valve base is provided with a first rotating rod, the middle part of the first rotating rod is fixedly connected with a triangular lever plate, the bottom end of the triangular lever plate is fastened with the pull buckle disc, one end of the flap valve base is provided with a second rotating rod, the middle part of the second rotating rod is fixedly connected with a buckle block, the top end of the second rotating rod is fixedly connected with a third rotating rod, the bottom end of the flap valve plate is fastened with a buckle plate, and one end of the flap valve plate is connected with a reset spring plate, and one side of the flap valve plate, and the flap valve plate is connected with a valve plate, and a valve plate, the lower spring plate is connected with a valve plate.

Preferably, jar body seat and drive housing sliding connection, the contained angle of lamella valve gas board and lamella valve fixed plate is one hundred degrees, detain the piece and be in the horizontal direction, detain the pole and be in vertical direction, the work of this device of being convenient for.

Preferably, the both ends of first bull stick, second bull stick and third bull stick all are connected with the inner wall of clack valve base through the bearing, first bull stick and second bull stick are located the both sides of drawing the knot dish respectively, are convenient for the rotation of first bull stick, second bull stick and third bull stick.

Preferably, canceling release mechanical system includes spring, compression medicine jar, atomizing mouth, first spout, first slider, apical ring, second spout, second slider, roof, cross slot, ejector pin, connecting piece, suction nozzle lid, fixed catching groove and fastener, the surface of valve base is provided with the spring, and the bottom of spring and the top fixed connection of jar body seat, the inner wall fixedly connected with atomizing mouth of lower housing bottom, the inside of jar body seat is provided with the compression medicine jar, and the bottom of compressing the medicine jar is located the inside of atomizing mouth, the one end sliding connection of lower housing has the apical ring, and the surface that is located the compression medicine jar of apical ring, the bottom symmetry fixedly connected with roof of apical ring, the cross slot has been seted up to the bottom symmetry of lower housing, the inside of cross slot all sliding connection has the ejector pin, and the top of ejector pin all with the bottom fixed connection of roof, the bottom fixed connection of lower housing has the connecting piece, the surface of suction nozzle is provided with the suction nozzle lid, and the one end of suction nozzle lid links to each other through the bottom of connecting piece, the both ends of suction nozzle lid all with the bottom fixed fastening piece that the one end of suction nozzle lid was laminated mutually, the one end fixed fastening piece that the fixed fastening piece was seted up the suction nozzle lid is located the fastening piece, and the inside fixed fastening piece is located the fixed fastening piece is convenient for the reset device.

Preferably, first spout has evenly been seted up to the inner wall of drive housing one end, the inside all sliding connection of first spout has first slider, and the one end of first slider all with jar body seat fixed connection, through first spout and first slider improvement jar body seat stability of removing.

Preferably, the second spout has been seted up to the one end symmetry of lower housing, the inside of second spout all sliding connection have the second slider, and the one end of second slider all with apical ring fixed connection, through second spout and second slider improvement apical ring removal stability.

Preferably, the fixed shell is made of soft plastic materials, and one end of the fastener is trapezoidal, so that the suction nozzle cover is convenient to fix.

Preferably, both ends of the triangular lever plate are provided with inclined planes, and both sides of the top end of the buckling rod are provided with inclined planes, so that the device is convenient to reset.

Preferably, the triangular lever plate is in a right-angled triangular shape, one end of the buckling block is located at the bottom of one end of the triangular lever plate, and the triangular lever plate is convenient to buckle through the buckling block.

Compared with the prior art, the invention has the beneficial effects that:

when a user uses the device, the bottom end of the compressed medicine tank is inserted into the atomizing nozzle, the driving cover shell is connected with the lower cover shell through threads, the suction nozzle cover is in a closed state, the spring is in a compressed state, the suction nozzle cover is rotated and opened when the user needs to use the device, the ejector rod, the top plate and the ejector ring move downwards under the action of gravity, the top end of the ejector ring does not abut against the tank body seat any more, the movement of the tank body seat is not limited, the user inhales air through the suction nozzle, the air pressure in the device is reduced, the flap valve plate, the third rotating rod and the buckling groove block are rotated under the action of external atmospheric pressure, the flap valve plate presses down the rebound piece, external air enters the device through the gap between the flap valve air plate and the flap valve plate, and the buckling groove block and the flap valve plate recover under the action of the rebound piece when the external air pressure is the same in the device, so that the flap valve plate is attached to the flap valve air plate, so that secondary respiration braking of the device is facilitated, the buckling groove block does not generate resistance to the buckling rod any more after rotating, at the moment, the tank body seat is moved downwards under the action of self resilience force of the compression spring, the tank body seat drives the buckling disc to move downwards, the buckling disc drives the triangular lever plate, the buckling block and the buckling rod to rotate, the compressed medicine tank is compressed under the action of the spring, medicine is atomized and sprayed out through the atomizing nozzle and enters a human body along with air, at the moment, primary respiration braking is completed, when a user needs secondary respiration braking, the user rotates the suction nozzle cover to close the suction nozzle cover, the bottom end of the suction nozzle cover is abutted against the two groups of ejector rods, the ejector rods move upwards under the action of the bottom end inclined plane of the suction nozzle cover, the ejector rods enable the top ring to move upwards through the top plate, the top ring drives the tank body seat and the buckling disc to move upwards, the spring is compressed for the second time through the tank body seat, the upwards moving pull buckle disc drives the triangular lever plate to rotate, the triangular lever plate drives the buckle block and the buckle rod to reset through the reset triangular lever plate, the top end of the buckle rod is positioned at the bottom end of the buckle groove block at the moment, one end of the triangular lever plate is positioned at the top end of the buckle block, the compressed spring enables the tank body seat to have the trend of moving downwards, the tank body seat is buckled with the bottom end of the triangular lever plate through the pull buckle disc, one end of the triangular lever plate is abutted to the buckle block, the buckle block enables the buckle rod to be buckled with the buckle groove block through the second rotating rod, through the buckle rod, the third rotating rod and the buckle groove block enable the tank body seat to be incapable of moving downwards, meanwhile, the bottom end of the ejector rod is abutted to a suction nozzle cover, the top end of the top ring is abutted to the tank body seat, thereby limiting the movement of the tank body seat, and further improving the stability of the device, when a user needs to be used again, the operation can be repeated, the device can perform secondary respiration braking again, the principle of a pure contraction actuation force can be released, the stability of the mechanical structure can be greatly reduced, and the reliability of the device can be greatly reduced when the requirements of the mechanical actuation are met, and the requirements of the mechanical quality of the medical treatment can be avoided, and the requirements of the safety can be greatly reduced.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional perspective view of the present invention;

FIG. 3 is a schematic cross-sectional perspective view of a base of a flapper valve and a base of a canister of the present invention;

FIG. 4 is a schematic plan view of the triangular lever plate, trip lever and flapper valve plate of the present invention;

FIG. 5 is a schematic cross-sectional perspective view of the lower housing, the through slot and the nozzle cover of the present invention;

fig. 6 is an exploded perspective view of the present invention.

In the figure: 1. a driving housing; 2. a lower housing; 3. an air inlet; 4. a suction nozzle; 5. a stationary housing; 6. a flapper valve base; 7. a tank body seat; 8. pulling the buckle plate; 9. a flap valve fixing plate; 10. a flap valve gas plate; 11. a first rotating lever; 12. a triangular lever plate; 13. a second rotating rod; 14. buckling blocks; 15. a buckle rod; 16. a third rotating rod; 17. a groove buckling block; 18. a flap valve plate; 19. a rebound board; 20. returning the elastic sheet; 21. a spring; 22. compressing the medicine tank; 23. an atomizing nozzle; 24. a first chute; 25. a first slider; 26. a top ring; 27. a second chute; 28. a second slider; 29. a top plate; 30. penetrating a groove; 31. a top rod; 32. a connecting member; 33. a nozzle cover; 34. fixing the fastening slot; 35. a fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown:

a lever type breath actuating inhaler device comprises a driving housing 1, the bottom end of the driving housing 1 is connected with a lower housing 2 through a thread, the top end of the driving housing 1 is provided with an air inlet 3, the bottom end of the lower housing 2 is connected with an air suction nozzle 4, the middle part of the lower housing 2 is fixedly connected with a fixed shell 5, the inner wall of the top end of the driving housing 1 is fixedly connected with a flap valve base 6, the bottom end of the flap valve base 6 is provided with a tank body seat 7, the top end of the tank body seat 7 is fixedly connected with a pull buckle disc 8, one side of the middle inner wall of the flap valve base 6 is fixedly connected with a flap valve fixing plate 9, the other side of the middle inner wall of the flap valve base 6 is fixedly connected with a flap valve air plate 10, one end of the flap valve base 6 is provided with a first rotating rod 11, the middle part of the first rotating rod 11 is fixedly connected with a triangular lever plate 12, the bottom end of the triangular lever plate 12 is buckled with the pull buckle disc 8, one end of the flap valve base 6 is provided with a second rotating rod 13, the middle part of the second rotating rod 13 is fixedly connected with a buckle block 14, the middle part of the second rotating rod 13 is fixedly connected with a buckle rod 15, the top end of the second rotating rod 13 is provided with a third rotating rod 16, the middle part of the third rotating rod 16 is fixedly connected with a buckle groove block 17, the bottom end of the buckle groove block 17 is buckled with the buckle rod 15, the middle part of the third rotating rod 16 is fixedly connected with a flap valve plate 18, one side of the flap valve plate 18 is jointed with the flap valve air plate 10, the middle part of the flap valve base 6 is fixedly connected with a rebound plate 19, the inner wall of one end of the rebound plate 19 is fixedly connected with a rebound piece 20, one end of the rebound piece 20 is jointed with the flap valve plate 18, and the bottom end of the lower housing 2 is provided with a reset mechanism;

referring to fig. 2 and 5, in the present embodiment, the reset mechanism includes a spring 21, a compressed medicine tank 22, an atomizing nozzle 23, a first chute 24, a first slider 25, a top ring 26, a second chute 27, a second slider 28, a top plate 29, a through groove 30, a top rod 31, a connecting member 32, a nozzle cover 33, a fixing buckle groove 34 and a fastener 35, the spring 21 is disposed on the outer surface of the flap valve base 6, the bottom end of the spring 21 is fixedly connected with the top end of the tank body base 7, the atomizing nozzle 23 is fixedly connected to the inner wall of the bottom end of the lower housing 2, the compressed medicine tank 22 is disposed inside the tank body base 7, the bottom end of the compressed medicine tank 22 is located inside the atomizing nozzle 23, the top ring 26 is slidably connected to one end of the lower housing 2, the top ring 26 is located on the outer surface of the compressed medicine tank 22, the top plate 29 is fixedly connected to the bottom end of the top ring 26, the through groove 30 is symmetrically formed in the bottom end of the lower housing 2, the through groove 30 is slidably connected to the top rod 31, the top end of the top rod 31 is fixedly connected with the bottom end of the top plate 29, the bottom end of the lower housing 2 is fixedly connected with the connecting piece 32, the outer surface of the suction nozzle 4 is provided with a suction nozzle cover 33, one end of the suction nozzle cover 33 is connected with the bottom end of the connecting piece 32 through a rotating shaft, both ends of the suction nozzle cover 33 are attached to the bottom end of the top rod 31, one end of the suction nozzle cover 33 is provided with a fixed fastening groove 34, one end of the fixed housing 5 is fixedly connected with a fastener 35, one end of the fastener 35 is positioned inside the fixed fastening groove 34, a user rotates the suction nozzle cover 33, the fixed fastening groove 34 at one end of the suction nozzle cover 33 is abutted against the fastener 35, one end of the fixed housing 5 is deformed under the action of an inclined plane, so that the fastener 35 is separated from the fixed fastening groove 34, the suction nozzle cover 33 is opened, when the user rotates the suction nozzle cover 33, the top rod 31 is attached to one end of the suction nozzle cover 33 under the action of gravity, thereby the top rod 31, the top plate 29 and the top ring 26 move downwards, when the top ring 26 moves downwards to the bottom end, the top end of the top ring 26 does not abut against the tank body seat 7 any more, thereby the movement of the tank body seat 7 is not limited, so as to facilitate respiratory braking, the compressed medicine tank 22 is compressed by the tank body seat 7 moving downwards, at this time, the medicine is atomized and sprayed out through the atomizing nozzle 23, and then enters the human body along with the air, so as to complete primary respiratory braking, at this time, the bottom end of the tank body seat 7 is abutted against the top end of the top ring 26, when the user needs to perform secondary respiratory braking, the user rotates the suction nozzle cover 33, the suction nozzle cover 33 rotates reversely, the bottom end of the suction nozzle cover 33 abuts against the arc surfaces of the two groups of top rods 31, and under the effect of the bottom end slope of the suction nozzle cover 33, the top rods 31 moves upwards in the penetrating groove 30, the top plate 31 drives the top plate 29 to move upwards, the top ring 26 drives the top ring 26 to move upwards, the top ring 26 which drives the second sliding block 28 to slide in the second sliding groove 27, the second sliding groove 27 and the second sliding groove 28 improves the stability of the top ring 26, and drives the top ring 26 to move upwards, so as to facilitate secondary compression of the tank body seat 7 to perform secondary respiratory braking, and the return to the return device 21;

referring to fig. 2 and 3, in the present embodiment, the inner wall of one end of the driving housing 1 is uniformly provided with first sliding grooves 24, the inside of the first sliding grooves 24 is slidably connected with first sliding blocks 25, and one end of each first sliding block 25 is fixedly connected with the tank body seat 7, the stability of movement of the tank body seat 7 is improved by the first sliding grooves 24 and the first sliding blocks 25, one end of the lower housing 2 is symmetrically provided with second sliding grooves 27, the inside of the second sliding grooves 27 is slidably connected with second sliding blocks 28, and one end of each second sliding block 28 is fixedly connected with the top ring 26, and the stability of movement of the top ring 26 is improved by the second sliding grooves 27 and the second sliding blocks 28;

it should be noted that, set casing 5 is made for soft plastic material, the one end of fastener 35 is trapezoidal, be convenient for the fixed of suction nozzle lid 33, the both ends of triangle lever board 12 all are provided with the inclined plane, the both sides on detaining 15 tops of pole all are provided with the inclined plane, be convenient for reset of this device, triangle lever board 12 is right angle triangle-shaped, the one end of knot piece 14 is located the bottom of triangle lever board 12 one end, be convenient for detain triangle lever board 12 through detaining piece 14, jar body seat 7 and drive housing 1 sliding connection, the contained angle of clack valve gas board 10 and clack valve fixed plate 9 is one hundred degrees, detain piece 14 and be in the horizontal direction, detain pole 15 and be in vertical direction, be convenient for the work of this device, first bull stick 11, the both ends of second bull stick 13 and third bull stick 16 all are connected with the inner wall of clack valve base 6 through the bearing, first bull stick 11 and second bull stick 13 are located the both sides of drawing buckle dish 8 respectively, be convenient for first bull stick 11, the rotation of second bull stick 13 and third bull stick 16.

The working principle is as follows: when a user uses the device, the user rotationally drives the housing 1 and the lower housing 2, then the compressed medicine tank 22 is placed in the lower housing 2, the bottom end of the compressed medicine tank 22 is inserted into the atomizing nozzle 23, then the driving housing 1 is connected with the lower housing 2 through threads, the nozzle cover 33 is in a closed state, the spring 21 is in a compressed state, the tank body seat 7 tends to move downwards under the self resilience of the compressed medicine tank 22, when the user needs to use the device, the user rotates the nozzle cover 33, the fixing buckle groove 34 at one end of the nozzle cover 33 is abutted against the fastener 35, one end of the fixing shell 5 is deformed under the action of the inclined plane, so that the fastener 35 is separated from the fixing buckle groove 34, the nozzle cover 33 is opened, when the user rotates the nozzle cover 33, the ejector rod 31 is attached to one end of the nozzle cover 33 under the action of gravity, so that the ejector rod 31, the top plate 29 and the top ring 26 move downwards, when the top ring 26 moves downwards to the bottommost end, the top end of the top ring 26 does not abut against the tank body seat 7, so that the movement of the tank body seat 7 is not limited, but the tank body seat 7 cannot move under the action of the triangular lever plate 12, the buckling block 14, the buckling rod 15, the third rotating rod 16 and the buckling groove block 17, a user puts the suction nozzle 4 into the mouth and sucks air through the suction nozzle 4, the air pressure in the device is reduced at the moment, the flap valve plate 18 rotates by taking the third rotating rod 16 as an axis under the action of external atmospheric pressure, the third rotating rod 16 rotates at the moment and drives the buckling groove block 17 to rotate, the flap valve plate 18 rotating downwards rotates by the third rotating rod 16 to enable the buckling groove block 17 to rotate upwards, the flap valve plate 18 rotates downwards and presses the rebound sheet 20 at the same time, external air enters the device through a gap between the flap valve plate 10 and the flap valve plate 18, when the internal and external air pressures of the device are the same, the slot block 17 and the flap valve plate 18 are restored under the action of the rebound sheet 20, so that the flap valve plate 18 is attached to the flap valve air plate 10, so as to facilitate secondary respiration braking of the device, when the slot block 17 rotates upwards, resistance is not generated on the buckling rod 15, so that the motion of the buckling rod 15 is not limited, at the moment, the tank body seat 7 moves downwards under the action of the self rebound force by the compression spring 21, the tank body seat 7 drives the buckling disc 8 to move downwards, the buckling disc 8 drives the triangular lever plate 12 to rotate by taking the first rotating rod 11 as a rotating shaft, the buckling block 14 is pressed downwards by one end of the triangular lever plate 12 according to the lever principle, so that the buckling block 14 rotates by taking the second rotating rod 13 as a rotating shaft, the rotating second rotating rod 13 drives the buckling rod 15 to rotate, at the moment, the downward-moved tank body seat 7 drives the first sliding block 25 to slide in the first sliding groove 24, so as to ensure the stability of the movement of the tank body seat 7, the compressed medicine can 22 is compressed by the downward moving can body base 7, the medicine is atomized and sprayed out through the atomizing nozzle 23 at the moment, and then enters a human body along with the air, one-time breath braking is completed, at the moment, the bottom end of the can body base 7 is attached to the top end of the top ring 26, when a user needs to further perform secondary breath braking, the user rotates the suction nozzle cover 33, the suction nozzle cover 33 rotates reversely, the bottom end of the suction nozzle cover 33 is abutted to the cambered surfaces of the two groups of ejector rods 31 in the rotating process, the ejector rods 31 move upwards in the penetrating groove 30 under the action of the inclined surface at the bottom end of the suction nozzle cover 33, the ejector rods 31 drive the top plate 29 to move upwards, the top plate 29 drives the top ring 26 to move upwards, the upward moving top ring 26 drives the second sliding block 28 to slide in the second sliding groove 27, the moving stability of the top ring 26 is improved through the second sliding groove 27 and the second sliding block 28, and the upward moving top ring 26 drives the can body base 7 to move upwards, the upward moving tank body seat 7 compresses the spring 21 for the second time, the tank body seat 7 drives the pull buckle disc 8 to move upward, the upward moving pull buckle disc 8 is abutted against the triangular lever plate 12, the triangular lever plate 12 is driven to rotate by the upward moving pull buckle disc 8, then the triangular lever plate 12 rotates reversely by taking the first rotating rod 11 as a rotating shaft again, the triangular lever plate 12 rotating in the opposite direction is reset, the reversely rotating triangular lever plate 12 drives the buckle block 14 and the buckle rod 15 to rotate reversely by taking the second rotating rod 13 as a rotating shaft, and reset is carried out, at the moment, the top end of the buckle rod 15 is positioned at the bottom end of the buckle groove block 17, one end of the triangular lever plate 12 is positioned at the top end of the buckle block 14, the compressed spring 21 enables the tank body seat 7 to have the trend of moving downward, the tank body seat 7 is buckled with the bottom end of the triangular lever plate 12 by the pull buckle disc 8, one end of the triangular lever plate 12 is abutted against the buckle block 14, the buckling block 14 buckles the buckling rod 15 and the buckling groove block 17 through the second rotating rod 13, the tank body seat 7 cannot move downwards through the buckling rod 15, the third rotating rod 16 and the buckling groove block 17, meanwhile, the bottom end of the ejector rod 31 is abutted to the suction nozzle cover 33, and the top end of the top ring 26 is abutted to the tank body seat 7, so that the movement of the tank body seat 7 is limited, the stability of the device is further improved, the accidental braking situation cannot occur, when a user needs to use the device again, the breathing braking can be carried out again by repeating the above operation, the device adopts a multi-level labor-saving lever principle, the actuating force is contracted and expanded to be actuated by breathing through the combination of two labor-saving levers, the reliability and the stability of the actuating are ensured by a pure mechanical structure, the situation of accidental actuating or the situation that medicines are not generated during the suction is avoided, the treatment effect is improved, and the technical requirements on parts are greatly reduced by the device, mass production is easier to realize.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The lever type breath actuation inhaler device is characterized by comprising a driving housing (1), wherein the bottom end of the driving housing (1) is connected with a lower housing (2) through a thread, the top end of the driving housing (1) is provided with an air inlet (3), the bottom end of the lower housing (2) is connected with an air suction nozzle (4), the middle part of the lower housing (2) is fixedly connected with a fixed shell (5), the inner wall of the top end of the driving housing (1) is fixedly connected with a flap valve base (6), the bottom end of the flap valve base (6) is provided with a tank body seat (7), the top end of the tank body seat (7) is fixedly connected with a pull buckle disc (8), one side of the inner wall of the middle part of the flap valve base (6) is fixedly connected with a flap valve fixing plate (9), the other side of the inner wall of the middle part of the flap valve base (6) is fixedly connected with a flap valve air plate (10), one end of the flap valve base (6) is provided with a first rotating rod (11), the middle part of the first rotating rod (11) is fixedly connected with a triangular plate (12), the bottom end of the triangular plate (12) is fixedly connected with the pull buckle plate (8), one end of the pull buckle plate (13) is provided with a second rotating rod (13), and one end of the second rotating rod (13) is fixedly connected with a second rotating rod (13), a third rotating rod (16) is arranged at the top end of the second rotating rod (13), a buckling groove block (17) is fixedly connected to the middle of the third rotating rod (16), the bottom end of the buckling groove block (17) is buckled with the buckling rod (15), a flap valve plate (18) is fixedly connected to the middle of the third rotating rod (16), one side of the flap valve plate (18) is attached to the flap valve air plate (10), a rebound plate (19) is fixedly connected to the middle of the flap valve base (6), a rebound sheet (20) is fixedly connected to the inner wall of one end of the rebound plate (19), one end of the rebound sheet (20) is attached to the flap valve plate (18), and a reset mechanism is arranged at the bottom end of the lower housing (2);

the resetting mechanism comprises a spring (21), a compressed medicine tank (22), an atomizing nozzle (23), a first chute (24), a first slider (25), a top ring (26), a second chute (27), a second slider (28), a top plate (29), a through groove (30), an ejector rod (31), a connecting piece (32), a suction nozzle cover (33), a fixed buckle groove (34) and a fastener (35), wherein the spring (21) is arranged on the outer surface of the valve base (6), the bottom end of the spring (21) is fixedly connected with the top end of the tank body seat (7), the atomizing nozzle (23) is fixedly connected with the inner wall of the bottom end of the lower housing (2), the compressed medicine tank (22) is arranged in the tank body seat (7), the bottom end of the compressed medicine tank (22) is positioned in the atomizing nozzle (23), the top ring (26) is slidably connected with one end of the lower housing (2), the outer surface of the top ring (26) is positioned in the compressed medicine tank (22), the bottom end of the top ring (26) is symmetrically connected with the fixed top plate (29), the bottom end of the lower housing (2) is symmetrically provided with the top groove (30), the top end of the ejector rod (31) is connected with the fixed connecting piece (31), and the ejector rod (32) is connected with the bottom end of the fixed connecting piece (31), the surface of suction nozzle (4) is provided with suction nozzle lid (33), and the bottom of the one end of suction nozzle lid (33) through pivot and connecting piece (32) links to each other, the both ends of suction nozzle lid (33) all laminate mutually with the bottom of ejector pin (31), fixed catching groove (34) have been seted up to the one end of suction nozzle lid (33), the one end fixedly connected with fastener (35) of set casing (5), and the one end of fastener (35) is located the inside of fixed catching groove (34).

2. A lever type breath actuated inhaler device as claimed in claim 1 wherein: jar body seat (7) and drive housing (1) sliding connection, the contained angle of lamella valve gas board (10) and lamella valve fixed plate (9) is one hundred degrees, it is in the horizontal direction to detain piece (14), it is in vertical direction to detain pole (15).

3. A lever type breath actuated inhaler device as claimed in claim 1 wherein: the two ends of the first rotating rod (11), the second rotating rod (13) and the third rotating rod (16) are connected with the inner wall of the flap valve base (6) through bearings, and the first rotating rod (11) and the second rotating rod (13) are located on two sides of the pull buckle disc (8) respectively.

4. A lever type breath actuated inhaler device as claimed in claim 1 wherein: first spout (24) have evenly been seted up to the inner wall of drive housing (1) one end, the inside of first spout (24) all sliding connection have first slider (25), and the one end of first slider (25) all with jar body seat (7) fixed connection.

5. A lever-type breath actuated inhaler device as claimed in claim 1, wherein: second spout (27) have been seted up to the one end symmetry of lower housing (2), the inside of second spout (27) all sliding connection has second slider (28), and the one end of second slider (28) all with apical ring (26) fixed connection.

6. A lever type breath actuated inhaler device as claimed in claim 1 wherein: the fixing shell (5) is made of soft plastic materials, and one end of the fastener (35) is trapezoidal.

7. A lever type breath actuated inhaler device as claimed in claim 1 wherein: the two ends of the triangular lever plate (12) are provided with inclined planes, and the two sides of the top end of the buckling rod (15) are provided with inclined planes.

8. A lever-type breath actuated inhaler device as claimed in claim 1, wherein: the triangular lever plate (12) is in a right-angle triangular shape, and one end of the buckling block (14) is located at the bottom of one end of the triangular lever plate (12).