A flow rate adjustable air flow atomization device

Abstract

The present invention relates to the field of nebulizers, and specifically relates to an airflow atomizing device with adjustable flow rate, comprising a casing, a speed reduction mechanism, a small air pump, a supporting handle and a silicone mouthpiece, wherein a venturi hose, a tightening wheel, a guide bar, a guide block and a micro switch are arranged in the supporting handle, a siphon capillary extending downward to the bottom of the supporting handle is formed on the neck of the venturi hose, and a medicine bottle hanger and an extended steel needle are arranged at the bottom of the supporting handle. The present invention greatly reduces the volume of the airflow atomizer through high integration, making it extremely portable, realizes the synchronous opening and closing of the air pump operation and the atomization passage through a single button, greatly simplifies the operation, and automatically closes the atomization main passage when it is suspended to avoid the entry of pollutants, and enhances the effect of siphon jet atomization through the Venturi effect, thereby improving the effect of inhalation therapy.

Description

Technical Field

[0001] The present invention relates to the field of atomizers, and in particular to an airflow atomizing device with adjustable flow rate. Background Art

[0002] A nebulizer is a solution injection device that finely disperses a test solution into an aerosol. It is primarily used for nebulized inhalation therapy. There are several types of nebulizers: ultrasonic, compression, and vibrating mesh.

[0003] Ultrasonic nebulizers and vibrating mesh nebulizers both use the principle of ultrasonic vibration to shatter and atomize the drug solution. However, due to the limitations of their mechanism, they are not suitable for the atomization of biological macromolecular drugs. They have certain selectivity for drugs, and some drugs may not be suitable for atomization using ultrasonic nebulizers. For example, some protein and peptide drugs may denature under the action of ultrasound, affecting their efficacy.

[0004] For compressed atomizers, the advantages are as follows:

[0005] Wide range of applications: It can produce relatively small aerosol particles, usually with a diameter of 2-10 microns, which can penetrate deep into the lungs. It has a good therapeutic effect on lower respiratory tract diseases and is suitable for patients with asthma, chronic obstructive pulmonary disease, etc.

[0006] Good atomization stability: The atomization process is not affected by changes in the amount of drug solution and the properties of the drug solution, and can maintain a relatively stable atomization effect to ensure accurate drug delivery.

[0007] Easy to adjust: The speed and particle size of atomization can be controlled by adjusting the pressure and flow of compressed air to meet the needs of different patients.

[0008] Strong durability: The structure is relatively solid, the service life is long, and it is a purely mechanical product with a relatively low failure rate and low maintenance costs.

[0009] Its disadvantages are obvious. It is not easy to carry. Patients mainly need to go to the clinic for treatment. In addition, it needs to be connected to the air source during operation and the various functional buttons are complicated, which is not user-friendly for the elderly. Some existing air flow nebulizers can also be carried out for use, but they are generally still large. Moreover, these portable nebulizers generally consist of a base with an air pump and a mask connected to the base through a hose. They are less portable and the experience is not good. Summary of the Invention

[0010] Based on this, it is necessary to provide an air flow atomizing device with adjustable flow rate to address the existing technical problems.

[0011] In order to solve the problems of the prior art, the technical solution adopted by the present invention is:

[0012] A flow rate adjustable air flow atomizing device includes a housing, a speed reduction mechanism disposed in the housing, a small air pump, a support handle disposed horizontally at the upper end of the housing, and a silicone mouthpiece sleeved on the distal end of the support handle. The support handle is provided with a Venturi hose, a holding wheel for pressing down and closing the Venturi hose, a guide bar for driving the holding wheel to move up and down, a guide block for converting the lifting motion into horizontal motion of the guide bar, and a micro switch for resisting the guide block during the downward movement. The speed reduction mechanism has a lifting block located at the top of the housing and capable of lifting and lowering motion. The lifting block is fixedly connected to the top of the guide block, one end of the venturi hose is downwardly connected to the air inlet of the small air pump, and the other end extends to the inner side of the silicone mouthpiece. The neck of the venturi hose is formed with a siphon capillary extending downward to the bottom of the support hanging handle. The bottom of the support hanging handle is provided with a quick-release medicine bottle hanger, and an extended steel needle for inserting the medicine bottle downward is movably connected to the center of the medicine bottle hanger. When the medicine bottle hanger is connected to the bottom of the support hanging handle, the siphon capillary and the extended steel needle are connected to form a siphon liquid path.

[0013] Furthermore, the main body of the medicine bottle hanger is in the shape of a hollow flat cylinder, and a circular through hole is provided at its bottom for inserting the bottle cap of the medicine bottle. The diameter of the circular through hole is smaller than the inner diameter of the medicine bottle hanger, and a plurality of strip-shaped slits evenly distributed along the circumferential direction are provided on the cylindrical side wall of the medicine bottle hanger for elastic expansion of the circular through hole.

[0014] Furthermore, the medicine bottle hanger is connected to the bottom of the supporting handle through a magnetic connector, and the magnetic connector and the bottom of the supporting handle are fixedly embedded with mutually matching annular magnets, an annular flange is formed at the bottom outer edge of the magnetic connector, a circular groove is formed at the top center of the magnetic connector, a stabilizing plate that can be downwardly engaged in the circular groove is formed on the upper outer wall of the extended steel needle, a connecting liner extending downward and used for connecting the medicine bottle hanger is formed at the bottom center of the magnetic connector, and a fixed sleeve fixedly connected to the connecting liner is formed at the top center of the medicine bottle hanger.

[0015] Furthermore, a plurality of air holes evenly distributed along the circumference are provided on the top of the medicine bottle hanger, and an air pressure balance groove consistent with its axial direction is formed on the outer wall of the extended steel needle, and the air pressure balance groove passes through the location of the air holes.

[0016] Furthermore, one end of the guide bar is formed with a first inclined surface, the inner side wall of the support handle is formed with an inclined slide groove, a metal central axis is provided at the center of the clamping wheel, the end of the central axis extends into the corresponding inclined slide groove, a horizontal guide cross plate is formed on the inner side wall of the support handle, one side of the guide bar is formed with a double-layer plywood for sliding through the guide cross plate, and the inner side of the support handle is formed with two limit baffles located on both sides of the Venturi hose, the side of the guide bar away from the double-layer plywood slides in contact with the corresponding limit baffle, and a magnetic strip is embedded in the end of the guide bar close to the clamping wheel, the outer side wall of the magnetic strip is flush with the first inclined surface, and the magnetic strip always remains in contact with the metal central axis.

[0017] Furthermore, a second inclined surface is formed on the end of the guide bar away from the clamping wheel, a guide hanging bar is formed on the second inclined surface, a third inclined surface is formed on the bottom of the guide block for cooperating with the second inclined surface, a limiting hanging groove is provided on the third inclined surface for the sliding connection of the guide hanging bar, and a connecting stud extending vertically upward for fixing the lifting block is formed on the top of the guide block.

[0018] Furthermore, the micro switch is fixedly arranged on the inner side of the supporting handle and is located below the guide block, and the bottom of the guide block is provided with a switch positioning groove for the paddle of the micro switch to abut.

[0019] Furthermore, the deceleration mechanism includes a motor, a reduction gear set driven by the motor, and an incomplete gear meshing with the reduction gear set, the incomplete gear shaft is connected to the inner wall of the casing, the lifting block is located above the incomplete gear, and a lifting groove for vertical displacement of the lifting block is formed on the inner wall of the casing, a convex shaft is formed on the incomplete gear, a connecting rod is connected to the bottom shaft of the lifting block, the lower end of the connecting rod is connected to the convex shaft, and two limit columns are formed on the inner wall of the casing for limiting the upward and downward positions of the incomplete gear.

[0020] Furthermore, one end of the supporting suspension handle is formed with a clamp for connecting the silicone mouthpiece, and one end of the silicone mouthpiece is formed with an elastic wrapping portion for tightly covering the outside of the clamp.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] Firstly, the present invention greatly reduces the volume of the airflow atomizer through high integration, making it extremely portable;

[0023] Secondly, the present invention realizes the synchronous opening and closing of the air pump and the atomization path through a single button, which greatly simplifies the operation. At the same time, the atomization main path is automatically closed when it is not in use to prevent the entry of pollutants.

[0024] Thirdly, the present invention enhances the effect of siphon jet atomization through the Venturi effect, thereby improving the effect of inhalation therapy. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0026] Figure 2 is a planar cross-sectional view of the present invention;

[0027] Figure 3 It is a three-dimensional exploded schematic diagram of the present invention;

[0028] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the present invention;

[0029] Figure 5 is a schematic diagram of the present invention;

[0030] Figure 6 This is a schematic diagram of the exploded three-dimensional structure of the support handle of the present invention;

[0031] Figure 7 Schematic diagram of the three-dimensional structure of the guide strip of the present invention;

[0032] Figure 8 This is a schematic diagram of the inner structure of the support handle of the present invention;

[0033] Figure 9 It is a planar cross-sectional view of the supporting handle of the present invention when it is in working state;

[0034] Figure 10 It is a schematic diagram of the three-dimensional structure of a medicine bottle and a medicine bottle hanger;

[0035] Figure 11 yes Figure 2 A schematic diagram of the structure enlargement at point A;

[0036] The numbers in the figure are: 1-housing; 2-small air pump; 3-support handle; 4-silicone mouthpiece; 5-Venturi hose; 6-tightening wheel; 7-guide bar; 8-guide block; 9-micro switch; 10-lifting block; 11-siphon capillary; 12-medicament bottle hanger; 13-medicament bottle; 14-extended steel needle; 15-slit; 16-magnetic connector; 17-annular magnet; 18-annular flange; 19-stabilizing plate; 20-connecting liner; 21-fixed sleeve; 22-vent hole; 23-air pressure balance tank; 2 4-first inclined plane; 25-inclined slide; 26-metal center axis; 27-guide cross plate; 28-double-layer splint; 29-limit baffle; 30-magnetic strip; 31-second inclined plane; 32-guide hanging strip; 33-third inclined plane; 34-limit hanging slot; 35-connecting stud; 36-switch positioning slot; 37-motor; 38-reduction gear set; 39-incomplete gear; 40-lifting slot; 41-convex shaft; 42-connecting rod; 43-limiting column; 44-clamp; 45-elastic wrapping part; 46-battery; 47-button. DETAILED DESCRIPTION

[0037] In order to further understand the features, technical means, specific objectives and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] Reference Figures 1 to 11 The flow rate adjustable air flow atomizing device shown in the figure comprises a housing 1, a deceleration mechanism arranged in the housing 1, a small air pump 2, a support handle 3 horizontally arranged at the upper end of the housing 1 and a silicone mouthpiece 4 sleeved on the distal end of the support handle 3, a Venturi hose 5 is provided in the support handle 3, a clamping wheel 6 for pressing down and closing the Venturi hose 5, a guide bar 7 for driving the clamping wheel 6 to move up and down, a guide block 8 for converting the lifting motion into horizontal motion of the guide bar 7 and a micro switch 9 for resisting the guide block 8 during the downward process, the deceleration mechanism has a lifting block 10 located at the top of the housing 1 and capable of lifting motion, so The lifting block 10 is fixedly connected to the top of the guide block 8, one end of the venturi hose 5 is downwardly connected to the air inlet of the small air pump 2, and the other end extends to the inner side of the silicone mouthpiece 4. The neck of the venturi hose 5 is formed with a siphon capillary 11 extending downward to the bottom of the support hanger 3. The bottom of the support hanger 3 is provided with a quick-release medicine bottle hanger 12. The center of the medicine bottle hanger 12 is movably connected with an extension steel needle 14 for inserting the medicine bottle 13 downward. When the medicine bottle hanger 12 is connected to the bottom of the support hanger 3, the siphon capillary 11 and the extension steel needle 14 are connected to form a siphon liquid path.

[0039] The casing 1 of the present invention is also provided with an electric control board (not shown in the figure) for controlling the operation of the deceleration mechanism and the small air pump 2, and can receive the signal of the micro switch 9. At the same time, the casing 1 is also provided with a battery compartment for loading and unloading batteries 46. The front side of the casing 1 is also provided with a control button 47. Through program setting, the button 47 can be selected to be pressed once to realize the sequence cycle of the four functions of low speed, medium speed, high speed and shutdown. It can also be set to the function of long pressing to turn on or off the device. The low speed, medium speed and high speed here refer to the power of the air pump. The greater the power of the air pump, the greater the atomization flow rate.

[0040] Before using the device, first remove the medicine bottle hanger 12, and insert and clamp the head of the medicine bottle 13 into the medicine bottle hanger 12, then insert the extended steel needle 14 from the center hole of the medicine bottle hanger 12, and the tip of the extended steel needle 14 pierces the sealing film of the medicine bottle 13 and extends downward into the bottom of the medicine bottle 13, then install the medicine bottle hanger 12 to the bottom of the supporting hanging handle 3, at this time, the upper end of the extended steel needle 14 is aligned with the bottom of the siphon capillary 11 to ensure the opening of the siphon liquid path, and then start the control button 47. The deceleration mechanism is activated, and the operation of the deceleration mechanism drives the lifting block 10 to lift the guide block 8. When the guide block 8 rises, the guide strip 7 matched with its inclined surface moves horizontally in the direction away from the silicone mouthpiece 4. The horizontal movement of the guide strip 7 drives the clamping wheel 6 matched with its inclined surface to lift upward, so that the clamping wheel 6 changes from the original state of pressing the Venturi hose 5 to the state of gradually moving away from and completely opening the Venturi hose 5. In the process of the guide block 8 rising, the micro switch 9 below, which was originally squeezed and connected by it, is released, and the change of the micro switch 9 The signal is detected by the electronic control board, which starts the small air pump 2 to work. The small air pump 2 starts to work and pumps air into the venturi hose 5. After the air passes through the neck of the venturi hose 5, the air flow rate passing through this area increases due to the reduction of the tube cross-section, thereby reducing the pressure here, thereby generating suction through the siphon capillary 11 to suck away the liquid medicine in the medicine bottle 13. The sucked liquid medicine is broken up and atomized in the process of being blown out from the neck of the venturi hose 5 (it can also be at the outlet of the venturi hose 5, that is, the silicone mouthpiece). A small grid component is added at the position before 4, so that the larger liquid medicine particles that may exist after atomization can be further broken up by physical collision with the grid, thereby optimizing the atomization effect. The smaller the tube diameter, the lower the possibility of producing large particles. However, the aperture of the siphon capillary 11 used in this device is less than 1 mm, and the atomization effect is better. Therefore, this device is not equipped with a grid component. If the aperture of the siphon capillary 11 is designed to be larger, the atomization effect can be optimized by the grid component), so that the atomized particles are blown out from the silicone mouthpiece 4 with the air for patient treatment.

[0041] In order to enable the medicine bottle 13 to be quickly connected to the medicine bottle hanger 12, the following features are specifically set:

[0042] The main body of the medicine bottle hanger 12 is in the shape of a hollow flat cylinder, and a circular through hole is provided at its bottom for inserting the bottle cap of the medicine bottle 13. The diameter of the circular through hole is smaller than the inner diameter of the medicine bottle hanger 12. The cylindrical side wall of the medicine bottle hanger 12 is provided with a plurality of strip-shaped slits 15 evenly distributed along the circumferential direction for elastic expansion of the circular through hole.

[0043] When installing the medicine bottle 13, the head of the medicine bottle 13 is inserted upward into the circular through hole at the bottom of the medicine bottle hanger 12. During this process, the circular through hole is first stretched open with the help of the elastic contraction force of the strip slit 15 so that the head of the medicine bottle 13 can enter smoothly. When the head end of the medicine bottle 13 completely passes through the circular through hole, the strip slit 15 restores its deformation, so that the circular through hole at the bottom of the medicine bottle hanger 12 is embedded in the neck of the medicine bottle 13, thereby realizing a quick installation process of the medicine bottle 13 and the medicine bottle hanger 12.

[0044] In order to realize the quick disassembly and assembly of the medicine bottle hanger 12 and the bottom of the support handle 3, and to ensure the opening of the siphon liquid path, the following features are specifically set:

[0045] The medicine bottle hanger 12 is connected to the bottom of the support handle 3 through a magnetic connector 16. The magnetic connector 16 and the bottom of the support handle 3 are fixedly embedded with mutually matching annular magnets 17. The bottom outer edge of the magnetic connector 16 is formed with an annular flange 18, and the top center of the magnetic connector 16 is formed with a circular groove. The upper end outer wall of the extended steel needle 14 is formed with a stabilizing plate 19 that can be downwardly embedded in the circular groove. The bottom center of the magnetic connector 16 is formed with a connecting liner 20 that extends downward and is used for connecting the medicine bottle hanger 12. The top center of the medicine bottle hanger 12 is formed with a fixing sleeve 21 that is fixedly connected to the connecting liner 20.

[0046] After the medicine bottle 13 is loaded into the medicine bottle hanger 12, the extended steel needle 14 is inserted into the medicine bottle 13 from the center of the medicine bottle hanger 12. During this process, the lower end of the extended steel needle 14 first pierces the sealing film on the top of the medicine bottle 13 until the stabilizing plate 19 at the upper end of the extended steel needle 14 is embedded in the circular groove at the top center of the magnetic connector 16, and then the downward movement of the extended steel needle 14 is limited. Then, the magnetic connector 16 is attached to the bottom of the supporting handle 3. At this time, the two annular magnets 17 attract each other. The combined alignment allows the extended steel needle 14 to be firmly pressed against the magnetic connector 16 through the bottom of the supporting handle 3, thereby ensuring that the extended steel needle 14 can be aligned with the bottom opening of the siphon capillary 11 at the center of the annular magnet 17 and keep the liquid path unobstructed. In this way, the alignment and disassembly process of the medicine bottle hanger 12 and the supporting handle 3 are simplified, and the annular flange 18 on the outer edge of the bottom of the magnetic connector 16 can facilitate the finger to exert force to separate the magnetic connector 16 and the supporting handle 3.

[0047] In order to solve the problem of balancing the internal and external air pressures of the medicine bottle 13 during the atomization process, the following features are specifically set:

[0048] The top of the medicine bottle hanger 12 is provided with a plurality of air holes 22 evenly distributed along the circumference, and the outer wall of the extended steel needle 14 is formed with an air pressure balance groove 23 consistent with its axial direction, and the air pressure balance groove 23 passes through the location of the air holes 22.

[0049] Since the medicine bottle 13 is a glass bottle, in the process of the gradual reduction of the liquid medicine therein, in order to ensure that its internal pressure is always connected to the atmosphere, thereby avoiding the pressure difference between the inside of the medicine bottle 13 and the atmosphere, and thus making the siphon process unable to proceed smoothly, the extended steel needle 14 of the present device has a thicker wall, and an air pressure balance groove 23 is processed on its outer wall. During the entire siphon process, the inside of the medicine bottle 13 is always connected to the atmosphere through the air pressure balance groove 23 and the air vent 22, thereby ensuring that the pressure inside the medicine bottle 13 is always consistent with the atmospheric pressure, ensuring that the siphon process can always proceed smoothly.

[0050] In order to realize that the horizontal movement of the guide bar 7 can drive the holding wheel 6 to open and close the Venturi hose 5, the following features are specifically provided:

[0051] A first inclined surface 24 is formed at one end of the guide bar 7, an inclined groove 25 is formed on the inner wall of the support handle 3, a metal central axis 26 is provided at the center of the clamping wheel 6, the end of the central axis extends into the corresponding inclined groove 25, a horizontal guide cross plate 27 is formed on the inner wall of the support handle 3, and a double-layer plywood 28 for sliding through the guide cross plate 27 is formed on one side of the guide bar 7. Two limit baffles 29 are formed on the inner side of the support handle 3 and located on both sides of the Venturi hose 5. The side of the guide bar 7 away from the double-layer plywood 28 slides in contact with the corresponding limit baffle 29, and a magnetic strip 30 is embedded in the end of the guide bar 7 close to the clamping wheel 6. The outer wall of the magnetic strip 30 is flush with the first inclined surface 24, and the magnetic strip 30 always remains in contact with the metal central axis 26.

[0052] During the horizontal movement of the guide bar 7, the magnetic strip 30 embedded in its front end is always in contact with the two ends of the metal center shaft 26 of the pressure wheel 6, and the magnetic strip 30 always sucks the metal center shaft 26 tightly, thereby ensuring that the guide bar 7 can always maintain the pulling force on the pressure wheel 6 during the translation process, and the end of the metal center shaft 26 extends into the corresponding inclined groove 25 and slides with it, and the inclined groove 25 and the first inclined surface 24 of the guide bar 7 are distributed in an "X" shape in the projection view, so that when the guide bar 7 translates in the direction close to the silicone mouthpiece 4, the pressure wheel 6 is driven to move down along the inclined groove 25 until the Venturi hose 5 is blocked. When the guide bar 7 translates in the direction away from the silicone mouthpiece 4, the pressure wheel 6 is driven to rise along the inclined groove 25 until the Venturi hose 5 is opened.

[0053] In order to convert the lifting motion of the guide block 8 into the horizontal movement of the guide bar 7, the following features are specifically set:

[0054] The guide bar 7 is formed with a second inclined surface 31 at the end away from the pressing wheel 6, and a guide hanging bar 32 is formed on the second inclined surface 31. The bottom of the guide block 8 is formed with a third inclined surface 33 for cooperating with the second inclined surface 31, and the third inclined surface 33 is provided with a limiting hanging groove 34 for the sliding connection of the guide hanging bar 32. The top of the guide block 8 is formed with a connecting stud 35 extending vertically upward for fixing the lifting block 10.

[0055] The bottom of the guide block 8 is slidably engaged with the guide hanging strip 32 at the end of the guide strip 7 through the limiting hanging groove 34, ensuring that the two always maintain a state of inclined surface matching without separation. When the guide block 8 rises, the guide strip 7 will be driven to move in a direction away from the silicone mouthpiece 4 under the action of the inclined surface guidance. When the guide block 8 falls, the guide strip 7 will be driven to move in a direction close to the silicone mouthpiece 4 under the action of the shoe upper guidance. For details, see Figure 2 and Figure 9 shown.

[0056] In order to simplify the operation difficulty of the patient and reduce the number of control buttons 47, the following features are specifically set:

[0057] The micro switch 9 is fixedly arranged on the inner side of the supporting handle 3 and is located below the guide block 8. The bottom of the guide block 8 is provided with a switch positioning groove 36 for the paddle of the micro switch 9 to abut.

[0058] During the lifting process, the guide block 8 cooperates with the micro switch 9 below through the switch positioning groove 36 opened in the middle position of its bottom. When the patient needs nebulization treatment, after pressing the button 47, the deceleration mechanism works to make the clamping wheel 6 open the Venturi hose 5. Due to the lifting of the guide block 8, the pressure on the micro switch 9 below will be automatically lost, so that the electronic control board detects the disconnection signal of the micro switch 9, and then starts the small air pump 2 to work; after pressing the button 47 again, the deceleration mechanism works to make the clamping wheel 6 press down again to close the Venturi hose 5. In this process, the guide block 8 presses down the micro switch 9 again, so that the electronic control board detects the opening signal of the micro switch 9, and then turns off the small air pump 2. This simplifies the operating process and is more friendly to elderly patients.

[0059] In order to reduce the speed of the motor 37 and smoothly increase the torque to act on the holding wheel 6 so that it can firmly press the venturi hose 5 to achieve the purpose of closing the pipeline, the following features are specifically set:

[0060] The deceleration mechanism includes a motor 37, a reduction gear set 38 driven by the motor 37, and an incomplete gear 39 meshing with the reduction gear set 38. The incomplete gear 39 is axially connected to the inner wall of the casing 1. The lifting block 10 is located above the incomplete gear 39. A lifting groove 40 for vertical displacement of the lifting block 10 is formed on the inner wall of the casing 1. A convex shaft 41 is formed on the incomplete gear 39. A connecting rod 42 is axially connected to the bottom of the lifting block 10. The lower end of the connecting rod 42 is axially connected to the convex shaft 41. Two limit columns 43 are formed on the inner wall of the casing 1 for limiting the upward and downward positions of the incomplete gear 39.

[0061] The motor 37 is connected to the incomplete gear 39 through the reduction gear set 38 to reduce the speed and increase the torque, so that the incomplete gear 39 has a sufficiently large torque to drive the lifting block 10 to descend in the lifting groove 40, so that the lifting block 10 drives the guide block 8 to descend, and the guide block 8 drives the guide bar 7 to move toward the direction close to the silicone mouthpiece 4 through the inclined surface, thereby driving the clamping wheel 6 to descend along the inclined groove 25 until it is firmly pressed and closed.

[0062] In order to limit the upward rotation and downward rotation processes of the incomplete gear 39, two limit columns 43 are set above the inside of the casing 1, which are used for contact limiting of the incomplete gear 39 during the upward rotation and downward rotation. The two limit columns 43 intermittently limit the two end positions of the horizontal displacement of the guide bar 7, ensuring that the guide bar 7 will not hit the inner wall of the supporting handle 3 during the moving path, and on the other hand, it also ensures that the pressing wheel 6 will not be excessively pressed down to cause structural damage.

[0063] In order to ensure the patient's user experience, enhance the complete absorption of the medicine, and also to facilitate the cleaning and disinfection of the silicone mouthpiece 4, the following features are specifically set:

[0064] One end of the support handle 3 is formed with a clamp 44 for connecting to the silicone mouthpiece 4. One end of the silicone mouthpiece 4 is formed with an elastic wrapping portion 45 for tightly covering the outside of the clamp 44. The silicone mouthpiece 4 can be easily disassembled and assembled with the elastic wrapping portion 45 and the clamp 44. After use, the silicone mouthpiece 4 can be removed by simply pulling it out for cleaning and disinfection, making it convenient to use. At the same time, the silicone mouthpiece 4 also ensures that the atomized liquid medicine can fully enter the patient's respiratory tract during use to avoid waste.

[0065] The above embodiments merely represent one or several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A flow rate adjustable air flow atomizing device, characterized in that: The invention comprises a housing (1), a speed reducing mechanism arranged in the housing (1), a small air pump (2), a support handle (3) arranged horizontally at the upper end of the housing (1), and a silicone mouthpiece (4) sleeved on the distal end of the support handle (3), wherein a venturi hose (5) is arranged in the support handle (3), a pressing wheel (6) for pressing down and closing the venturi hose (5), a guide bar (7) for driving the pressing wheel (6) to move up and down, a guide block (8) for converting the lifting motion into the horizontal motion of the guide bar (7), and a micro switch (9) for resisting the guide block (8) during the downward process, wherein the speed reducing mechanism has a lifting block (10) located at the top of the housing (1) and capable of lifting motion, wherein the lifting block (10) is provided with a lifting block (10) which is capable of lifting motion and is located at the top of the housing (1). 0) is fixedly connected to the top of the guide block (8), one end of the venturi hose (5) is connected downwardly to the air inlet of the small air pump (2), and the other end extends to the inner side of the silicone mouthpiece (4), the neck of the venturi hose (5) is formed with a siphon capillary (11) extending downwardly to the bottom of the support hanger (3), the bottom of the support hanger (3) is provided with a quick-release connection medicine bottle hanger (12), the center of the medicine bottle hanger (12) is movably connected with an extension steel needle (14) for inserting the medicine bottle (13) downwardly, when the medicine bottle hanger (12) is connected to the bottom of the support hanger (3), the siphon capillary (11) and the extension steel needle (14) are docked to form a siphon liquid path; A first inclined surface (24) is formed on one end of the guide bar (7), an inclined slot (25) is formed on the inner side wall of the support handle (3), a metal central shaft (26) is provided at the center of the clamping wheel (6), the end of the central shaft extends into the corresponding inclined slot (25), a horizontal guide cross plate (27) is formed on the inner side wall of the support handle (3), and a double-layer clamping member for sliding through the guide cross plate (27) is formed on one side of the guide bar (7). The support handle (3) is formed with two limit baffles (29) on the inner side thereof and located on both sides of the venturi hose (5). The guide bar (7) is slidably fitted on the side away from the double-layer plywood (28) to the corresponding limit baffle (29). The guide bar (7) is embedded with a magnetic strip (30) at one end thereof close to the retaining wheel (6). The outer side wall of the magnetic strip (30) is flush with the first inclined surface (24). The magnetic strip (30) is always kept in contact with the metal center axis (26).

2. The flow rate adjustable air flow atomizing device according to claim 1, characterized in that: The main body of the medicine bottle hanger (12) is in the shape of a hollow flat cylinder, and a circular through hole is provided at the bottom thereof for inserting the bottle cap of the medicine bottle (13). The diameter of the circular through hole is smaller than the inner diameter of the medicine bottle hanger (12). A plurality of strip-shaped slits (15) are provided on the cylindrical side wall of the medicine bottle hanger (12) and are evenly distributed along the circumferential direction for elastic expansion of the circular through hole.

3. The flow rate adjustable air flow atomizing device according to claim 2, characterized in that: The medicine bottle hanger (12) is connected to the bottom of the supporting handle (3) through a magnetic connector (16), and the bottom of the magnetic connector (16) and the supporting handle (3) are fixedly embedded with mutually matching annular magnets (17), and an annular flange (18) is formed at the outer edge of the bottom of the magnetic connector (16), and a circular groove is formed at the top center of the magnetic connector (16). A stabilizing plate (19) that can be downwardly engaged in the circular groove is formed on the outer wall of the upper end of the extended steel needle (14), and a connecting liner (20) extending downward and used for connecting the medicine bottle hanger (12) is formed at the bottom center of the magnetic connector (16), and a fixed sleeve (21) fixedly connected to the connecting liner (20) is formed at the top center of the medicine bottle hanger (12).

4. The flow rate adjustable air flow atomizing device according to claim 2, characterized in that: The top of the medicine bottle hanger (12) is provided with a plurality of air holes (22) evenly distributed along the circumferential direction, and the outer wall of the extended steel needle (14) is formed with an air pressure balance groove (23) which is consistent with its axial direction, and the air pressure balance groove (23) passes through the location of the air holes (22).

5. The flow rate adjustable air flow atomizing device according to claim 1, characterized in that: The guide bar (7) is formed with a second inclined surface (31) at one end away from the pressing wheel (6), and a guide hanging bar (32) is formed on the second inclined surface (31). The bottom of the guide block (8) is formed with a third inclined surface (33) for matching the second inclined surface (31), and the third inclined surface (33) is provided with a limiting hanging groove (34) for sliding connection of the guide hanging bar (32). The top of the guide block (8) is formed with a connecting stud (35) extending vertically upward for fixing the lifting block (10).

6. The flow rate adjustable air flow atomizing device according to claim 1, characterized in that: The micro switch (9) is fixedly arranged on the inner side of the supporting handle (3) and is located below the guide block (8). The bottom of the guide block (8) is provided with a switch positioning groove (36) for the paddle of the micro switch (9) to abut against.

7. The flow rate adjustable air flow atomizing device according to claim 1, characterized in that: The deceleration mechanism includes a motor (37), a reduction gear set (38) driven by the motor (37), and an incomplete gear (39) meshing with the reduction gear set (38), the incomplete gear (39) is axially connected to the inner wall of the housing (1), the lifting block (10) is located above the incomplete gear (39), a lifting groove (40) for vertical displacement of the lifting block (10) is formed on the inner wall of the housing (1), a convex shaft (41) is formed on the incomplete gear (39), the bottom of the lifting block (10) is axially connected to a connecting rod (42), the lower end of the connecting rod (42) is axially connected to the convex shaft (41), and two limit columns (43) for limiting the upward position and downward position of the incomplete gear (39) are formed on the inner wall of the housing (1).

8. The flow rate adjustable air flow atomizing device according to claim 1, characterized in that: One end of the supporting suspension handle (3) is formed with a clamp (44) for connecting the silicone mouthpiece (4), and one end of the silicone mouthpiece (4) is formed with an elastic wrapping portion (45) for tightly covering the outside of the clamp (44).

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