CN115040735A - Cam type breath actuation inhaler device - Google Patents

Cam type breath actuation inhaler device Download PDF

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Publication number
CN115040735A
CN115040735A CN202210779289.6A CN202210779289A CN115040735A CN 115040735 A CN115040735 A CN 115040735A CN 202210779289 A CN202210779289 A CN 202210779289A CN 115040735 A CN115040735 A CN 115040735A
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China
Prior art keywords
fixedly connected
plate
cam
lower shell
bottom end
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Granted
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CN202210779289.6A
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CN115040735B (en
Inventor
王振勇
徐勇智
张群
王阳阳
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Shanghai Huarui Aerosol Co ltd
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Shanghai Huarui Aerosol Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0091—Inhalators mechanically breath-triggered
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M15/00—Inhalators
    • A61M15/0001—Details of inhalators; Constructional features thereof

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Pulmonology (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to the technical field of cam-type medicine suction equipment, in particular to a cam-type breath actuation inhaler device which comprises a lower shell, wherein the top end of the lower shell is connected with an upper shell through threads, air holes are uniformly formed in the top end of the upper shell, the bottom end of the lower shell is connected with a suction nozzle, the top end of a tank body seat is fixedly connected with a pull buckle disc, the inside of one end of a valve seat is fixedly connected with a rebound plate, the middle part of one end of the rebound plate is fixedly connected with a rebound sheet, and a reset mechanism is arranged inside the lower shell. This device passes through cam mechanism's principle, utilizes spring self resilience force to breathe the initiative to alleviate actuation and patient's the difficulty of inhaling the phase coordination, this device simple structure is compact, can brake the locking, can not produce the possibility of unexpected actuation, thereby improves the stability of this device, avoids the user not carry the condition of medicine when inhaling, thereby improves the treatment of this device.

Description

Cam type breath actuation inhaler device
Technical Field
The invention relates to the technical field of cam type medicine suction equipment, in particular to a cam type breath actuation inhaler device.
Background
Generally, the inhaled aerosol is manually pressed for inhalation, the cooperation difficulty of actuation and inhalation is faced when a patient uses the device, the curative effect of some patients is poor, and the actual drug effect is influenced, the structure disclosed by the latest invention patent (CN clack valve plate (11) rebound plate (18) 954B) of Nolton Wltdford limited company in China is most representative in the breath actuation inhaler device on the market, the structure is that after a suction nozzle cover is opened, a spring presses a lower cover downwards, the lower cover and a diaphragm form a sealed vacuum cavity, the upward force formed by the pressure difference of the vacuum cavity and the atmospheric pressure is added with the elastic force of a valve to balance the spring force, so that the force balance is realized, the structure is prepared, when the patient inhales, the clack valve opens the sealing piece of the vacuum cavity, the air loses the pressure difference force after entering the vacuum cavity, the tank moves downwards under the action of the spring force to open the valve, releasing the contents of the valve to realize the coordination of actuation and suction;
the above device has the problems that since the vacuum chamber needs to be formed to balance the spring force, the sealability of the valve hole channel of the vacuum chamber and the sealing member determines the effect of the formed vacuum chamber, the accidental actuation may occur after the nozzle cover is opened for a certain period of time, resulting in poor stability of the device, and the possibility that the device does not deliver the medicine when inhaled.
Disclosure of Invention
The invention aims to provide a cam type breath actuation inhaler device, which solves the problems that the prior devices proposed in the background art can cause the possibility of accidental actuation after being unused for a long time, so that the stability of the device is poor, and the device can not deliver medicine during inhalation.
In order to achieve the purpose, the invention provides the following technical scheme: a cam type breath-actuated inhaler device comprises a lower shell, wherein the top end of the lower shell is connected with an upper shell through threads, air holes are uniformly formed in the top end of the upper shell, the bottom end of the lower shell is connected with a suction nozzle, the bottom end of the lower shell is fixedly connected with a fixed cover, the fixed cover is positioned at the top end of the suction nozzle, the bottom end of the lower shell is fixedly connected with a fixing piece, the outer surface of the suction nozzle is provided with a closed cover, the bottom end of the closed cover is connected with the fixing piece through a rotating shaft, the inner wall of the top end of the upper shell is fixedly connected with a flap valve seat, the inner wall of one side of the middle part of the flap valve seat is fixedly connected with a first side plate, the inner wall of the other side of the middle part of the flap valve seat is fixedly connected with a second side plate, the bottom end of the first side plate is provided with a first rotating rod, the middle part of the first rotating rod is fixedly connected with a flap valve plate, and one side of the flap valve plate is attached to the second side plate, the utility model discloses a safety lock catch, including first bull stick, buckle, cam main body, lamella seat, buckle, top fixedly connected with buckle dish, the middle part fixedly connected with buckle of first bull stick, and the buckle is located the bottom of first curb plate, the bottom of buckle is provided with the second bull stick, the middle part fixedly connected with cam main body of second bull stick, and the top of cam main body is inconsistent with the buckle, the bottom of lamella seat is provided with a jar body seat, the top fixedly connected with of jar body seat draws the buckle dish, and the one end of drawing the buckle dish and the bottom lock joint of cam main body, the top fixedly connected with spring of jar body seat, the inside fixedly connected with resilience board of lamella seat one end, the middle part fixedly connected with resilience piece of resilience board one end, the inside of casing is provided with canceling release mechanical system down.
Preferably, the contained angle of first curb plate and second curb plate is one hundred degrees, the both ends of first bull stick and second bull stick are all connected with the inner wall of lamella disk seat through the bearing, jar body seat and last casing sliding connection, the work of this device of being convenient for.
Preferably, the rebound plate is located between the first rotating rod and the second rotating rod, one end of the rebound plate is attached to the middle of the flap valve plate, and the top end of the spring is fixedly connected with the flap valve seat, so that the stability of the spring is improved.
Preferably, the resetting mechanism comprises an atomizing base, a compressed aerosol tank, a top ring, a second sliding groove, a second sliding block, a connecting plate, a through groove, a push rod, a buckling groove and a fastener, the atomizing base is fixedly connected to the inner wall of the bottom end of the lower shell, the compressed aerosol tank is arranged in the lower shell, the bottom end of the compressed aerosol tank is located in the atomizing base, the top end of the compressed aerosol tank is located in the tank body seat, the top end of the lower shell is slidably connected with the top ring, the top ring is located on the outer surface of the compressed aerosol tank, the bottom end of the top ring is symmetrically and fixedly connected with the connecting plate, one side of the connecting plate is attached to the inner wall of the lower shell, the through groove is symmetrically formed in the bottom end of the lower shell, the push rod is slidably connected to the inside of the through groove, the top end of the push rod is fixedly connected to the connecting plate respectively, and the bottom end of the push rod is attached to the bottom end of the closed cover, the catching groove has been seted up to the one end of closed lid, the one end fixedly connected with fastener of fixed lid, and the one end of fastener is located the inside of catching groove, and this device of being convenient for resets to carry out secondary respiration braking.
Preferably, first spout has evenly been seted up to the inner wall of going up casing 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, improve first spout and first slider and improve the stability that jar body seat removed.
Preferably, the inner wall symmetry of casing one end has seted up the second spout down, the inside all sliding connection of second spout has the second slider, and the one end of second slider all with apical ring fixed connection, improves the stability that the apical ring removed through second spout and second slider.
Preferably, the fixing cover is made of soft plastics, the inner walls of the two sides of the fastening groove are inclined planes, and the surface of one end of the fastener is in an inclined plane shape, so that the fastener can conveniently enter the inside of the fastening groove.
Preferably, the size of the first sliding chute is matched with that of the first sliding block, and the matched size is convenient for the movement of the first sliding block.
Preferably, the size of the second sliding chute is matched with that of the second sliding block, and the matched size is convenient for the movement of the second sliding block.
Compared with the prior art, the invention has the beneficial effects that:
when a user uses the device, the user places the compressed aerosol can in the lower shell, the bottom end of the compressed aerosol can is inserted in the atomizing base, then the lower shell is connected with the upper shell, the closing cover is in a closed state, the spring is in a compressed state, the user presses the fixed cover to open the closing cover, the closing cover rotates at the moment, the ejector rod is attached to the bottom end of the closing cover under the action of the gravity of the ejector ring and the penetrating groove, the ejector ring does not limit the movement of the can body seat after the user opens the closing cover, the user inhales air through the suction nozzle, air in the device enters the mouth of the user through the suction nozzle at the moment, so that the pressure inside the device is reduced, the flap valve plate rotates by taking the first rotating rod as a central shaft under the action of external atmospheric pressure, the first rotating rod drives the buckle plate to rotate, and the buckle plate does not conflict with the top end of the cam main body at the moment, meanwhile, the flap valve plate compresses the rebound sheet, the flap valve plate is separated from the second side plate at the moment, outside air enters the device through the second side plate and the flap valve plate, so that the inside and outside pressures of the device are the same, when the inside and outside pressures of the device are the same, the flap valve plate resets under the action of the rebound sheet, meanwhile, the buckle plate resets under the action of the first rotating rod and the flap valve plate, the tank body seat moves downwards under the action of the spring, the tank body seat drives the pull buckle disc to move downwards, the pull buckle disc drives the cam main body to rotate, the downward-moving tank body seat presses the compressed aerosol tank downwards, the compressed aerosol tank atomizes and sprays the medicine through the atomizing base, the medicine enters the body of a user along with the air, so that the treatment effect is achieved, when the user needs to perform secondary breath braking, the user rotates the closing cover, the bottom end of the closing cover is abutted against the bottom end of the ejector rod, the rotating closing cover enables the ejector rod to move upwards, the ejector rod drives the ejector ring to move upwards through the connecting plate, the ejector ring drives the tank body seat to move upwards, the spring is compressed by the tank body seat which moves upwards, the cam body is enabled to rotate by taking the second rotating rod as a central shaft through the pull buckle disc by the tank body seat, the cam body is enabled to reset, after the reset cam body is abutted against the buckle plate, the cam body is buckled through the buckle plate and the first rotating rod, the cam body is enabled not to rotate any more, the pull buckle disc is buckled through the cam body at the moment, the tank body seat is fixed through the pull buckle disc, and meanwhile, the tank body seat is locked through the ejector ring, the connecting plate, the ejector rod and the closing cover, so that the situation of accidental braking of the device is avoided, the braking preparation is finished at the moment, a user repeats the operation to carry out secondary respiratory braking administration, the device utilizes the self resilience force of the spring to carry out respiratory initiative through the principle of the cam mechanism, and further relieves the difficulty that the actuation is coordinated with the inhalation of a patient, the device has simple and compact structure, can be braked and locked, and cannot generate the possibility of accidental actuation, thereby improving the stability of the device, avoiding the condition that a user does not deliver medicine when inhaling, and improving the treatment effect of the device.
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 plan view of the cam body, flapper valve plate and tab plate of the present invention;
FIG. 4 is a perspective view of the reset mechanism of the present invention;
fig. 5 is an exploded perspective view of the present invention.
In the figure: 1. a lower housing; 2. an upper housing; 3. air holes; 4. a suction nozzle; 5. a fixed cover; 6. closing the cover; 7. a flap valve seat; 8. a first side plate; 9. a second side plate; 10. a first rotating lever; 11. a flap valve plate; 12. buckling the plate; 13. a second rotating rod; 14. a cam body; 15. a tank body seat; 16. pulling the buckle plate; 17. a spring; 18. a rebound board; 19. returning the elastic sheet; 20. a first chute; 21. a first slider; 22. an atomizing base; 23. a compressed aerosol canister; 24. a fixing member; 25. a top ring; 26. a second chute; 27. a second slider; 28. a connecting plate; 29. penetrating a groove; 30. a top rod; 31. buckling grooves; 32. 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. 1-5, an embodiment of the present invention is shown:
a cam type breath-actuated inhaler device comprises a lower shell 1, wherein the top end of the lower shell 1 is connected with an upper shell 2 through threads, the top end of the upper shell 2 is uniformly provided with air holes 3, the bottom end of the lower shell 1 is connected with a suction nozzle 4, the bottom end of the lower shell 1 is fixedly connected with a fixed cover 5, the fixed cover 5 is positioned at the top end of the suction nozzle 4, the bottom end of the lower shell 1 is fixedly connected with a fixing part 24, the outer surface of the suction nozzle 4 is provided with a closed cover 6, the bottom end of the closed cover 6 is connected with the fixing part 24 through a rotating shaft, the inner wall of the top end of the upper shell 2 is fixedly connected with a flap valve seat 7, the inner wall of one side of the middle part of the flap valve seat 7 is fixedly connected with a first side plate 8, the inner wall of the other side of the middle part of the flap valve seat 7 is fixedly connected with a second side plate 9, the bottom end of the first side plate 8 is provided with a first rotating rod 10, the middle part of the first rotating rod 10 is fixedly connected with a flap valve plate 11, and one side of the flap valve plate 11 is attached with the second side plate 9, a buckle plate 12 is fixedly connected to the middle of the first rotating rod 10, the buckle plate 12 is located at the bottom end of the first side plate 8, a second rotating rod 13 is arranged at the bottom end of the buckle plate 12, a cam main body 14 is fixedly connected to the middle of the second rotating rod 13, the top end of the cam main body 14 is abutted to the buckle plate 12, a tank body seat 15 is arranged at the bottom end of the valve seat 7, a pull buckle disc 16 is fixedly connected to the top end of the tank body seat 15, one end of the pull buckle disc 16 is buckled with the bottom end of the cam main body 14, a spring 17 is fixedly connected to the top end of the tank body seat 15, a rebound plate 18 is fixedly connected to the inside of one end of the valve seat 7, a rebound plate 19 is fixedly connected to the middle of one end of the rebound plate 18, and a reset mechanism is arranged inside the lower shell 1;
referring to fig. 2 and 4, in the present embodiment, the resetting mechanism includes an atomizing base 22, a compressed aerosol can 23, a top ring 25, a second sliding slot 26, a second sliding block 27, a connecting plate 28, a through slot 29, a push rod 30, a fastening slot 31 and a fastener 32, the atomizing base 22 is fixedly connected to an inner wall of the bottom end of the lower housing 1, the compressed aerosol can 23 is disposed inside the lower housing 1, the bottom end of the compressed aerosol can 23 is located inside the atomizing base 22, the top end of the compressed aerosol can 23 is located inside the can base 15, the top end of the lower housing 1 is slidably connected to the top ring 25, the top ring 25 is located on an outer surface of the compressed aerosol can 23, the bottom end of the top ring 25 is symmetrically and fixedly connected to the connecting plate 28, one side of the connecting plate 28 is attached to the inner wall of the lower housing 1, the through slot 29 is symmetrically formed at the bottom end of the lower housing 1, the inside of the through slot 29 is slidably connected to the push rod 30, the top ends of the push rods 30 are respectively and fixedly connected with the connecting plate 28, the bottom ends of the push rods 30 are respectively attached to the bottom end of the closing cover 6, one end of the closing cover 6 is provided with a buckling groove 31, one end of the fixing cover 5 is fixedly connected with a fastener 32, one end of the fastener 32 is positioned inside the buckling groove 31, the closing cover 6 of a user rotates to open the closing cover, the push rods 30 move downwards under the action of the gravity of the top ring 25 and the through groove 29 when the closing cover 6 rotates, so that the bottom ends of the push rods 30 are attached to the bottom end of the closing cover 6, the top ring 25 is not positioned at the bottom end of the can body seat 15 after the closing cover 6 is opened by the user, so that the movement of the can body seat 15 is not limited any more, when the unlocking is finished, when the user needs to perform secondary respiratory braking, the user rotates the closing cover 6, two sides of the bottom end of the closing cover 6 abut against the bottom ends of the push rods 30, the push rods 30 are moved upwards by the rotating closing cover 6, the upward moving push rods 30 drive the push rods 25 to move upwards through the connecting plate 28, the upper moving top ring 25 is abutted with the tank body seat 15 and then drives the tank body seat to move upwards, so that the device is convenient to reset and carries out secondary respiration braking;
referring to fig. 2, in the present embodiment, the inner wall of one end of the upper housing 2 is uniformly provided with a first sliding chute 20, the inside of the first sliding chute 20 is slidably connected with a first sliding block 21, one end of the first sliding block 21 is fixedly connected with the tank body seat 15, the first sliding groove 20 and the first sliding block 21 improve the moving stability of the tank body seat 15, the inner wall of one end of the lower shell 1 is symmetrically provided with a second sliding groove 26, the inner part of the second sliding groove 26 is slidably connected with a second sliding block 27, one end of the second sliding block 27 is fixedly connected with the top ring 25, the stability of the movement of the top ring 25 is improved through the second sliding grooves 26 and the second sliding blocks 27, the sizes of the first sliding grooves 20 are all matched with the size of the first sliding blocks 21, the matched sizes are convenient for the movement of the first sliding blocks 21, the sizes of the second sliding grooves 26 are all matched with the size of the second sliding blocks 27, and the matched sizes are convenient for the movement of the second sliding blocks 27;
it should be noted that the included angle between the first side plate 8 and the second side plate 9 is one hundred degrees, the two ends of the first rotating rod 10 and the second rotating rod 13 are connected with the inner wall of the flap valve seat 7 through bearings, the tank body seat 15 is connected with the upper shell 2 in a sliding manner, the device is convenient to operate, the fixing cover 5 is made of soft plastics, the inner walls of the two sides of the fastening groove 31 are inclined planes, the surface of one end of the fastener 32 is inclined plane-shaped, the fastener 32 is convenient to enter the inside of the fastening groove 31, the rebound plate 18 is located between the first rotating rod 10 and the second rotating rod 13, one end of the rebound plate 19 is attached to the middle of the flap valve plate 11, the top end of the spring 17 is fixedly connected with the flap valve seat 7, and the stability of the spring 17 is improved.
The working principle is as follows: when the user uses the device, the user separates the lower shell 1 and the upper shell 2 by rotating the lower shell 1, then the user puts the compressed aerosol can 23 in the lower shell 1, and at the same time, the bottom end of the compressed aerosol can 23 is inserted in the atomizing base 22, then the lower shell 1 and the upper shell 2 are rotated and connected by the screw thread, at this time, the closing cover 6 is in a closed state, the spring 17 is in a compressed state, the user presses the fixing cover 5, one end of the fixing cover 5 deforms, at this time, the deformed fixing cover 5 drives the fastener 32 to move, at this time, one end of the fastener 32 is not in the buckling groove 31, the user can rotate the closing cover 6 to open the closing cover, the mandril 30 moves downwards under the action of the gravity of the mandril 25 and the through groove 29 when the closing cover 6 rotates, so that the bottom end of the mandril 30 is attached to the bottom end of the closing cover 6, after the closing cover 6 is opened, the mandril 25 is not in the bottom end of the can seat 15, thereby no longer restrict the removal of jar body seat 15, the unblock finishes this moment, the user puts into the mouth with suction nozzle 4, then inhale through suction nozzle 4, the inside air of this device gets into in user's the mouth through suction nozzle 4 this moment, thereby lead to inside pressure of this device to diminish, because the inside atmospheric pressure of this device diminishes, outside atmospheric pressure grow, thereby lead to the air to contradict this device under the effect of external atmospheric pressure, because lamella valve plate 11 is the moving part, outside atmospheric pressure contradicts lamella valve plate 11, so make lamella valve plate 11 remove under the effect of external atmospheric pressure, lamella valve plate 11 rotates with first bull stick 10 as the center pin this moment, pivoted first bull stick 10 drives buckle 12 and rotates, buckle 12 no longer contradicts with the top of cam main part 14 this moment, lamella valve plate 11 compresses resilience piece 19 simultaneously, lamella valve plate 11 separates with second curb plate 9 this moment, the outside air enters the device through the space between the second side plate 9 and the flap valve plate 11, meanwhile, the tank body seat 15 moves downwards under the action of the self resilience force of the spring 17, the downward moving tank body seat 15 drives the first sliding block 21 to slide in the first sliding groove 20, the stability of the movement of the tank body seat 15 is improved through the first sliding groove 20 and the first sliding block 21, meanwhile, the moving tank body seat 15 drives the pull buckle disc 16 to move downwards, the downward moving pull buckle disc 16 enables the cam main body 14 to rotate by taking the second rotating rod 13 as a central shaft, the downward moving tank body seat 15 presses down the compressed aerosol tank 23, the compressed aerosol tank 23 atomizes and sprays the medicine through the atomizing base 22, the medicine enters the body of a user through the suction nozzle 4 along with the air, so that the treatment effect is achieved, the outside air enters the device through the space between the flap valve plate 11 and the second side plate 9, when the inside pressure and the outside pressure of the device are the same, at this time, the flap valve plate 11 is reset under the action of the self-resilience force of the resilience piece 19, the flap valve plate 11 drives the first rotating rod 10 to rotate, the pinch plate 12 is reset under the action of the first rotating rod 10 and the flap valve plate 11, when a user needs to perform secondary breathing braking, the user rotates the closing cover 6, two sides of the bottom end of the closing cover 6 are abutted against the bottom end of the ejector rod 30, the rotating closing cover 6 enables the ejector rod 30 to move upwards, the upward-moving ejector rod 30 drives the ejector ring 25 to move upwards through the connecting plate 28, the upward-moving ejector ring 25 is abutted against the tank body seat 15 to drive the tank body seat to move upwards, the upward-moving tank body seat 15 compresses the spring 17, the moving tank body seat 15 drives the pull buckle disc 16 to move upwards, the upward-moving pull buckle disc 16 drives one end of the cam main body 14 to move upwards, at this time, the cam main body 14 rotates by taking the second rotating rod 13 as a central axis, the top end of the pinch plate 12 is abutted against the pinch plate 12 when the cam main body 14 rotates by taking the first rotating rod 10 as a central axis, meanwhile, the first rotating rod 10 drives the flap valve plate 11 to rotate, the flap valve plate 11 compresses the rebound sheet 19, after the cam main body 14 is reset, the pinch plate 12 and the flap valve plate 11 are reset under the action of the rebound sheet 19 at the moment, so that the cam main body 14 is abutted against the pinch plate 12, the cam main body 14 is buckled through the pinch plate 12 and the first rotating rod 10, so that the cam main body 14 does not rotate any more, the pull buckle disc 16 is buckled through the cam main body 14 at the moment, the tank body seat 15 is fixed through the pull buckle disc 16, and the tank body seat 15 is locked through the top ring 25, the connecting plate 28, the ejector rod 30 and the closing cover 6, so that the condition of accidental braking of the device is avoided, the braking preparation is finished at the moment, and a user repeats the above operation to carry out secondary respiratory braking administration, the device carries out respiratory initiative by utilizing the self resilience of the spring 17 through the principle of a cam mechanism, so that the difficulty of the actuation and the coordination of the inhalation of the patient is relieved, the device has simple and compact structure, can be braked and locked, and cannot generate the possibility of accidental actuation, thereby improving the stability of the device, avoiding the condition that a user does not deliver medicine when inhaling, and improving the treatment effect of the device.
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 (9)

1. The cam type breath actuating inhaler device is characterized by comprising a lower shell (1), wherein the top end of the lower shell (1) is connected with an upper shell (2) through threads, air holes (3) are uniformly formed in the top end of the upper shell (2), the bottom end of the lower shell (1) is connected with a suction nozzle (4), a fixed cover (5) is fixedly connected to the bottom end of the lower shell (1), the fixed cover (5) is located at the top end of the suction nozzle (4), a fixing piece (24) is fixedly connected to the bottom end of the lower shell (1), a closing cover (6) is arranged on the outer surface of the suction nozzle (4), the bottom end of the closing cover (6) is connected with the fixing piece (24) through a rotating shaft, a flap valve seat (7) is fixedly connected to the inner wall of the top end of the upper shell (2), and a first side plate (8) is fixedly connected to the inner wall of one side of the middle of the flap valve seat (7), the inner wall of the other side of the middle part of the flap valve seat (7) is fixedly connected with a second side plate (9), the bottom of the first side plate (8) is provided with a first rotating rod (10), the middle part of the first rotating rod (10) is fixedly connected with a flap valve plate (11), one side of the flap valve plate (11) is attached to the second side plate (9), the middle part of the first rotating rod (10) is fixedly connected with a buckle plate (12), the buckle plate (12) is positioned at the bottom end of the first side plate (8), the bottom end of the buckle plate (12) is provided with a second rotating rod (13), the middle part of the second rotating rod (13) is fixedly connected with a cam main body (14), the top end of the cam main body (14) is abutted to the buckle plate (12), the bottom end of the flap valve seat (7) is provided with a tank body seat (15), the top end of the tank body seat (15) is fixedly connected with a pull buckle disc (16), and one end of the pull buckle disc (16) is fastened with the bottom end of the cam main body (14), the top end of the tank body seat (15) is fixedly connected with a spring (17), the inner portion of one end of the valve seat (7) is fixedly connected with a rebound plate (18), the middle portion of one end of the rebound plate (18) is fixedly connected with a rebound piece (19), and a reset mechanism is arranged inside the lower shell (1).
2. A cam-type breath actuated inhaler device according to claim 1, wherein: the contained angle of first curb plate (8) and second curb plate (9) is one hundred degrees, the both ends of first bull stick (10) and second bull stick (13) are all connected with the inner wall of lamella disk seat (7) through the bearing, jar body seat (15) and last casing (2) sliding connection.
3. A cam-type breath actuated inhaler device according to claim 1, wherein: the rebound plate (18) is located between the first rotating rod (10) and the second rotating rod (13), one end of the rebound plate (19) is attached to the middle of the valve plate (11), and the top end of the spring (17) is fixedly connected with the valve seat (7).
4. A cam-type breath actuated inhaler device according to claim 1, wherein: the resetting mechanism comprises an atomizing base (22), a compressed aerosol can (23), a top ring (25), a second sliding groove (26), a second sliding block (27), a connecting plate (28), a through groove (29), a push rod (30), a buckling groove (31) and a fastener (32), wherein the atomizing base (22) is fixedly connected with the inner wall of the bottom end of the lower shell (1), the compressed aerosol can (23) is arranged in the lower shell (1), the bottom end of the compressed aerosol can (23) is positioned in the atomizing base (22), the top end of the compressed aerosol can (23) is positioned in the can body seat (15), the top end of the lower shell (1) is slidably connected with the top ring (25), the top ring (25) is positioned on the outer surface of the compressed aerosol can (23), the bottom end of the top ring (25) is symmetrically and fixedly connected with the connecting plate (28), and one side of the connecting plate (28) is attached to the inner wall of the lower shell (1), lower casing (1)'s bottom symmetry has been seted up and has been worn groove (29), the inside all sliding connection in groove (29) has ejector pin (30), and the top of ejector pin (30) all respectively with connecting plate (28) fixed connection, the bottom of ejector pin (30) all laminates with the bottom of closed lid (6) mutually, catching groove (31) have been seted up to the one end of closed lid (6), the one end fixedly connected with fastener (32) of fixed lid (5), and the one end of fastener (32) is located the inside of catching groove (31).
5. A cam-type breath actuated inhaler device according to claim 1, wherein: go up the inner wall of casing (2) one end and evenly seted up first spout (20), the inside of first spout (20) all has sliding connection first slider (21), and the one end of first slider (21) all with jar body seat (15) fixed connection.
6. The cam-type breath actuated inhaler device according to claim 4, wherein: second spout (26) have been seted up to the inner wall symmetry of lower casing (1) one end, all sliding connection has second slider (27) in the inside of second spout (26), and the one end of second slider (27) all with apical ring (25) fixed connection.
7. The cam-type breath actuated inhaler device according to claim 4, wherein: the fixing cover (5) is made of soft plastics, the inner walls of two sides of the buckling groove (31) are inclined planes, and the surface of one end of the fastener (32) is in an inclined plane shape.
8. A cam-type breath actuated inhaler device according to claim 5, wherein: the size of the first sliding chute (20) is matched with that of the first sliding block (21).
9. The cam-type breath actuated inhaler device according to claim 6, wherein: the size of the second sliding chute (26) is matched with that of the second sliding block (27).
CN202210779289.6A 2022-07-04 2022-07-04 Cam-type breath-actuated inhaler device Active CN115040735B (en)

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CN113382762A (en) * 2019-02-04 2021-09-10 阿普塔尔法国简易股份公司 Device for dispensing a fluid product in synchronism with inhalation and method for assembling a device

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GB2292891A (en) * 1994-09-07 1996-03-13 Norton Healthcare Ltd Actuator for breath-actuated medicament dispenser
US20020100472A1 (en) * 1995-06-08 2002-08-01 Casper Robert A. Inhalation actuated device for use with metered dose inhalers (MDIs)
CN1418118A (en) * 2000-03-18 2003-05-14 阿斯特拉曾尼卡有限公司 Inhaler
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