Atomizer

Abstract

Disclosed in the present invention is an atomizer, comprising a power component, an automatic addition component, an atomization component, a diverter component, and an adjustment member, wherein the automatic addition component is connected to the atomization component and is configured to automatically add a liquid medicine into the atomization component; the power component is configured to deliver compressed air to the atomization component; the atomization component atomizes the liquid medicine by means of the compressed air delivered by the power component; the diverter component is arranged between the power component and the atomization component and is configured to divert the airflow that is delivered to the atomization component by means of the power component; and the adjustment member is configured to adjust the proportion of the airflow diverted by the diverter component so as to adjust the size of the atomized particles of the liquid medicine of the atomization component. In the present invention, the adjustment member can adjust the diversion ratio of the diverter component, and thus medicinal aerosol having desired particle size characteristics can be obtained by means of atomization on the basis of medication requirements of different users. The product structure is simple, and the production cost is low.

Description

A nebulizer Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an atomizer. Background Art

[0002] Compressed nebulizers are a commonly used medical device in respiratory system treatment. They are mainly divided into DC-powered nebulizers and AC-powered nebulizers. Both can atomize liquid medicine through the Venturi jet principle, turning the liquid medicine into extremely fine atomized particles for human inhalation, thereby achieving painless and rapid treatment effects.

[0003] The pressure and flow rate provided by the power structure in existing nebulizers affect the deposition location of the drug after entering the human body (the location where the drug acts). In related technologies, most nebulizers with adjustable pressure or flow rate have relatively complex structures, high production costs, and poor stability of the atomized particles, making it difficult to meet user needs.

[0004] Summary of the Invention

[0005] In view of the above problems existing in the existing atomizers, the present invention aims to provide an atomizer with simple structure, low cost and high stability.

[0006] The specific technical solutions are as follows:

[0007] A nebulizer comprises: a power assembly, an automatic feeding assembly, an atomizing assembly, a diverter assembly and an adjusting member, wherein the automatic feeding assembly is connected to the atomizing assembly and is used to automatically add liquid medicine to the atomizing assembly, the power assembly is used to deliver compressed air to the atomizing assembly, and the atomizing assembly atomizes the liquid medicine through the compressed air delivered by the power assembly, the diverter assembly is arranged between the power assembly and the atomizing assembly and is used to separate part of the airflow delivered by the power assembly to the atomizing assembly, and the adjusting member is used to adjust the proportion of the airflow separated by the diverter assembly to adjust the size of the atomized particles of the liquid medicine in the atomizing assembly.

[0008] As a further improvement and optimization of this solution, the atomization assembly includes:

[0009] an air flow channel, wherein a bottom opening of the air flow channel is in communication with the power assembly;

[0010] a medicine cup, the medicine cup being placed on both sides of the airflow channel and being sealed at both ends; a top sidewall of the medicine cup having a liquid addition port; a medicine cavity for storing liquid medicine formed within the medicine cup between the liquid addition port and the bottom of the medicine cup; the automatic feeding assembly being in communication with the liquid addition port for automatically delivering the liquid medicine into the medicine cavity;

[0011] An impact spacer is located directly above the air flow channel, and both sides of the air flow channel are provided with a pipette, one end of the pipette extends into the medicine cup and extends to the bottom of the medicine cavity, and the other end faces the impact spacer.

[0012] As a further improvement and optimization of this solution, the automatic feeding component includes:

[0013] a liquid supply pipe, one end of which is connected to the liquid filling port via a connecting pipe;

[0014] a sliding piston movably disposed in the liquid supply pipe and forming a sealed sliding fit with the inner wall of the liquid supply pipe;

[0015] A pull rod, one end of which is connected to the side of the sliding piston away from the connecting pipe, and the other end of which extends to the outside of the liquid supply pipe through the other end of the liquid supply pipe, and the other end of the liquid supply pipe is provided with a plurality of vent holes.

[0016] As a further improvement and optimization of this solution, the connecting pipe is a hose.

[0017] As a further improvement and optimization of this solution, the atomizer also includes a shell, the atomizing assembly, the diverter assembly, and the power assembly are all arranged in the shell, and the shell is provided with an exhaust hole connected to the diverter assembly, and the adjusting member is arranged at the exhaust hole for opening or blocking the exhaust hole.

[0018] As a further improvement and optimization of this solution, a mounting groove is provided on the housing, and the exhaust hole is eccentrically provided at the bottom of the mounting groove;

[0019] Wherein, the adjusting member includes:

[0020] The rotating part is coaxially rotated in the installation groove, and a blocking part is eccentrically provided on one side of the rotating part facing the installation groove, and the blocking part is matched with the exhaust hole for blocking.

[0021] As a further improvement and optimization of this solution, at least one group of limit components is provided between the rotating part and the mounting slot, and the limit component includes a limit block provided on the outer wall of the rotating part and a limit slot provided on the inner wall of the mounting slot, the limit block is clamped into the limit slot and forms a circumferential sliding fit with the limit slot, and when the limit block is circumferentially limited by one side wall of the limit slot, the blocking part is sealed and fitted with the exhaust hole, and when the limit block is circumferentially limited by the other side wall of the limit slot, the blocking part is staggered and fitted with the exhaust hole to open the exhaust hole.

[0022] As a further improvement and optimization of this solution, a notch is provided on the outer circumferential surface of the rotating part, and the limiting block is provided at the notch.

[0023] As a further improvement and optimization of this solution, the outer circumference of the rotating part is provided with an annular groove, and the groove wall of the mounting groove is provided with an annular flange. The annular flange is coaxially arranged in the annular groove and forms a circumferential guide fit with the annular groove. When the annular flange is located in the annular groove, the sealing part contacts the bottom of the mounting groove.

[0024] As a further improvement and optimization of this solution, the diversion assembly includes a three-way pipe, which includes an air inlet end connected to the power assembly, an air outlet end connected to the atomization assembly, and an exhaust end connected to the exhaust hole, and a uniform air leakage valve is provided between the exhaust end and the exhaust hole.

[0025] Among them, the diversion component also includes a sealing tube and a connecting tube, the connecting tube is connected between the uniform leakage valve and the exhaust hole, the sealing tube sealing sleeve is arranged on the outside of the exhaust end, the connecting tube and the uniform leakage valve, and the sealing tube can be a plastic tube.

[0026] Compared with the prior art, the above technical solution has the following positive effects:

[0027] (1) The regulating member of the present invention can adjust the diversion ratio of the diversion component, thereby flexibly controlling the air pressure and airflow reaching the atomization component, and further atomizing the medicine mist with the required particle size characteristics according to the medication needs of different users. The product structure is simple and the production cost is low.

[0028] (2) The purpose of setting up the automatic feeding component in the present invention is that when the amount of liquid medicine in the medicine cup is reduced by being drawn out, the amount of liquid medicine decreases relatively, and the air pressure in the medicine cup decreases and is less than the external air pressure, the sliding piston is automatically pushed inward by the external air pressure, and the liquid medicine in the liquid supply pipe is squeezed into the medicine cup, which not only ensures the amount of liquid medicine in the medicine cup and achieves the requirement of sustainable atomization, but also keeps the hydraulic pressure in the medicine cup relatively stable, avoids the change of hydraulic pressure due to the decrease of liquid medicine amount, which causes the negative pressure at the top of the pipette to fluctuate, causing an impact on the size of the atomized particles of the liquid medicine, and improves the stability of the atomization of the liquid medicine.

[0029] (3) In order to facilitate the user to more accurately adjust the size of the atomized particles of the liquid medicine in the present invention, when the limit block is circumferentially limited by one side wall of the limit slot, the blocking portion is matched with the exhaust hole for blocking; when the limit block is circumferentially limited by the other side wall of the limit slot, the blocking portion is matched with the exhaust hole in an offset manner to open the exhaust hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] FIG1 is a schematic diagram of the overall structure of an atomizer of the present invention;

[0031] FIG2 is a schematic structural diagram of an atomizing assembly of an atomizer according to the present invention;

[0032] FIG3 is a schematic structural diagram of an automatic feeding assembly of an atomizer according to the present invention;

[0033] FIG4 is a schematic structural diagram of a housing of an atomizer according to the present invention;

[0034] FIG5 is a schematic structural diagram of an adjusting member of an atomizer according to the present invention;

[0035] FIG6 is a schematic diagram showing the connection between the regulating member and the diversion assembly of an atomizer according to the present invention;

[0036] In the accompanying drawings: 1. Power assembly; 2. Atomization assembly; 3. Diverter assembly; 4. Adjustment member; 5. Shell; 21. Impact spacer; 22. Air flow channel; 23. Medicine cup; 24. Pipette; 231. Liquid adding port; 31. Tee; 32. Uniform air leakage valve; 33. Connecting pipe; 34. Sealing pipe; 41. Rotating part; 42. Sealing part; 411. Limiting block; 412. Annular groove; 51. Mounting groove; 52. Exhaust hole; 53. Annular flange; 511. Limiting slot; 61. Liquid supply pipe; 62. Connecting pipe; 63. Sliding piston; 64. Pull rod; 631. Vent. DETAILED DESCRIPTION

[0037] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but they are not intended to limit the present invention.

[0038] Figure 1 is a schematic diagram of the overall structure of an atomizer of the present invention, Figure 2 is a schematic diagram of the structure of an atomizer assembly of the present invention, Figure 3 is a schematic diagram of the structure of an automatic feeding assembly of an atomizer of the present invention, Figure 4 is a schematic diagram of the structure of a shell of an atomizer of the present invention, Figure 5 is a schematic diagram of the structure of an adjusting member of an atomizer of the present invention, and Figure 6 is a schematic diagram of the connection between the adjusting member and the diverter assembly of an atomizer of the present invention. As shown in Figures 1 to 6, a nebulizer of a preferred embodiment is shown, comprising: a power assembly 1, an automatic feeding assembly, an atomizer assembly 2, a diverter assembly 3 and an adjusting member 4. The automatic feeding assembly is connected to the atomizer assembly 2 and is used to automatically add liquid medicine to the atomizer assembly 2. The power assembly 1 is used to deliver compressed air to the atomizer assembly 2. The atomizer assembly 2 atomizes the liquid medicine through the compressed air delivered by the power assembly 1. The diverter assembly 3 is arranged between the power assembly 1 and the atomizer assembly 2 and is used to separate part of the airflow delivered by the power assembly 1 to the atomizer assembly 2. The adjusting member 4 is used to adjust the proportion of the airflow separated by the diverter assembly 3 to adjust the size of the atomized particles of the liquid medicine in the atomizer assembly 2.

[0039] In this embodiment, the regulating member 4 can adjust the diversion ratio of the diversion component 3, thereby flexibly controlling the air pressure and airflow reaching the atomizing component 2, and further atomizing a drug mist with the required particle size characteristics according to the medication needs of different users. The product structure is simple and the production cost is low.

[0040] As a preferred embodiment, the power component 1 can be a power pump, specifically a piston pump.

[0041] Furthermore, as a preferred embodiment, the atomization assembly 2 includes an air flow channel 22, a medicine cup 23 and an impact spacer 21. The bottom opening of the air flow channel 22 is connected to the power assembly 1. The medicine cup 23 is placed on both sides of the air flow channel 22 and is closed at both ends. The top side wall of the medicine cup 23 has a liquid adding port 231. A medicine cavity for storing liquid medicine is formed in the medicine cup 23 between the liquid adding port 231 and the bottom of the medicine cup 23. The automatic feeding assembly is connected to the liquid adding port 231 for automatically conveying liquid medicine into the medicine cavity. The impact spacer 21 is located directly above the air flow channel 22, and both sides of the air flow channel 22 have a pipette 24. One end of the pipette 24 extends into the medicine cup 23 and extends to the bottom of the medicine cavity, and the other end faces the impact spacer 21.

[0042] In this embodiment, when the power assembly 1 supplies compressed air with a certain pressure to the air flow channel 22, a negative pressure is formed at the top of the pipette 24, and the liquid medicine in the medicine cup 23 is drawn and sprayed toward the impact diaphragm 21 to form fine atomized particles, which are then sprayed out for the user to use.

[0043] Furthermore, as a preferred embodiment, the automatic feeding assembly includes a liquid supply pipe 61, a sliding piston 63 and a pull rod 64. One end of the liquid supply pipe 61 is connected to the liquid filling port 231 through a connecting pipe 62. The sliding piston 63 is movably arranged in the liquid supply pipe 61 and forms a sealed sliding fit with the inner wall of the liquid supply pipe 61. One end of the pull rod 64 is connected to the side of the sliding piston 63 away from the connecting pipe 33, and the other end extends to the outside of the liquid supply pipe 61 through the other end of the liquid supply pipe 61, and a plurality of ventilation holes 631 are provided on the other end of the liquid supply pipe 61.

[0044] The purpose of setting up the automatic feeding component in this embodiment is that when the amount of liquid medicine in the medicine cup 23 is reduced by being drawn out, the amount of liquid medicine decreases relatively, and the air pressure in the medicine cup 23 decreases and is less than the external air pressure, the sliding piston 63 is automatically pushed inward by the external air pressure, and the liquid medicine in the liquid supply pipe 61 is squeezed into the medicine cup 23, which not only ensures the amount of liquid medicine in the medicine cup 23 and achieves the requirement of sustainable atomization, but also keeps the hydraulic pressure in the medicine cup 23 relatively stable, avoids the change of hydraulic pressure due to the decrease of liquid medicine amount, resulting in fluctuation of negative pressure at the top of the pipette 24, which affects the size of the atomized particles of the liquid medicine, and improves the stability of the atomization of the liquid medicine.

[0045] Furthermore, as a preferred embodiment, the connecting pipe 62 is a hose to expand the installation scenario of the liquid supply pipe 61.

[0046] Furthermore, as a preferred embodiment, the atomizer also includes a shell 5, and the atomizing component 2, the diverter component 3, and the power component 1 are all arranged in the shell 5. The shell 5 is provided with an exhaust hole 52 connected to the diverter component 3, and the adjusting member 4 is provided at the exhaust hole 52 for opening or blocking the exhaust hole 52.

[0047] Furthermore, as a preferred embodiment, a mounting groove 51 is provided on the shell 5, and the exhaust hole 52 is eccentrically arranged at the bottom of the mounting groove 51, wherein the adjusting member 4 includes: a rotating portion 41, the rotating portion 41 rotates coaxially and is arranged in the mounting groove 51, and the rotating portion 41 is eccentrically provided with a blocking portion 42 on one side facing the mounting groove 51, and the blocking portion 42 is matched with the exhaust hole 52 for blocking. The user can control the blocking portion 42 to open or block the exhaust hole 52 by rotating the rotating portion 41, thereby realizing diversion regulation.

[0048] Furthermore, the rotating portion 41 and the blocking portion 42 may be an integrated structure or a detachable structure.

[0049] Furthermore, as a preferred embodiment, at least one set of limiting components is provided between the rotating part 41 and the mounting groove 51, and the limiting components include a limiting block 411 provided on the outer wall of the rotating part 41 and a limiting groove 511 provided on the inner wall of the mounting groove 51, the limiting block 411 is snapped into the limiting groove 511, and forms a circumferential sliding fit with the limiting groove 511, and when the limiting block 411 is circumferentially limited by one side wall of the limiting groove 511, the blocking part 42 is blocked and fitted with the exhaust hole 52, and when the limiting block 411 is circumferentially limited by the other side wall of the limiting groove 511, the blocking part 42 is staggered and fitted with the exhaust hole 52 to open the exhaust hole 52.

[0050] In this embodiment, in order to facilitate the user to more accurately adjust the size of the atomized particles of the liquid medicine, when the limit block 411 is circumferentially limited by one side wall of the limit slot 511, the blocking portion 42 is blocked and cooperated with the exhaust hole 52; when the limit block 411 is circumferentially limited by the other side wall of the limit slot 511, the blocking portion 42 is staggered and cooperated with the exhaust hole 52 to open the exhaust hole 52.

[0051] Furthermore, as a preferred embodiment, in order to facilitate the installation of the limit block 411, a notch is provided on the outer circumferential surface of the rotating part 41, and the limit block 411 is provided at the notch, so that the limit block 411 can be deformed during installation and then smoothly installed into the limit slot 511.

[0052] Furthermore, as a preferred embodiment, in order to improve the installation stability of the rotating part 41, the rotating part 41 has an annular groove 412 on its outer circumference, and an annular flange 53 is provided on the groove wall of the mounting groove 51. The annular flange 53 is coaxially arranged in the annular groove 412 and forms a circumferential guide with the annular groove 412. When the annular flange 53 is located in the annular groove 412, the sealing part 42 contacts the bottom of the mounting groove 51.

[0053] Furthermore, as a preferred embodiment, the diversion component 3 includes a three-way pipe 31, the three-way pipe 31 includes an air inlet end connected to the power component 1, an air outlet end connected to the atomization component 2, and an exhaust end connected to the exhaust hole 52, and a uniform leakage valve 32 is provided between the exhaust end and the exhaust hole 52.

[0054] The provision of the uniform leakage valve 32 in this embodiment can make the diversion process more stable.

[0055] Among them, the diversion component 3 also includes a sealing tube 34 and a connecting tube 33. The connecting tube 33 is connected between the uniform leakage valve and the exhaust hole 52. The sealing tube 34 sealing sleeve is arranged on the outside of the exhaust end, the connecting tube 33, and the uniform leakage valve 32. The sealing tube 34 can be a plastic tube, which is beneficial to improving the sealing and connection stability of the outside of the exhaust end, the connecting tube 33, and the uniform leakage valve 32.

[0056] The above description is only a preferred embodiment of the present invention and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An atomizer, characterized in that, Comprising: A power component, an automatic feeding component, an atomizing component, a flow splitting component and an adjusting component. The automatic feeding component is connected to the atomizing component and is used to automatically add liquid medicine into the atomizing component. The power component is used to convey compressed air to the atomizing component. The atomizing component atomizes the liquid medicine by means of the compressed air conveyed by the power component. The flow splitting component is arranged between the power component and the atomizing component and is used to split off a part of the air flow conveyed by the power component to the atomizing component. The adjusting component is used to adjust the proportion of the air flow split off by the flow splitting component, so as to adjust the size of the atomized particles of the liquid medicine in the atomizing component.

2. The atomizer according to claim 1, characterized in that, The atomizing component includes: An air flow channel, the bottom opening of which is communicated with the power component; A medicine cup, which is placed on both sides of the air flow channel and is closed at both the upper and lower ends. The top side wall of the medicine cup has a liquid adding port. A medicine cavity for storing liquid medicine is formed between the liquid adding port and the bottom of the medicine cup in the medicine cup. The automatic feeding component is communicated with the liquid adding port and is used to automatically convey the liquid medicine into the medicine cavity; An impact partition, which is located directly above the air flow channel, and both sides of the air flow channel are provided with liquid suction pipes. One end of each liquid suction pipe extends into the medicine cup and reaches the bottom of the medicine cavity, and the other end faces the impact partition.

3. The atomizer according to claim 2, characterized in that, The automatic feeding component includes: A liquid supply pipe, one end of which is communicated with the liquid adding port through a connecting pipe; A sliding piston, which is movably arranged in the liquid supply pipe and forms a sealed sliding fit with the inner wall of the liquid supply pipe; A pull rod, one end of which is connected to the side of the sliding piston away from the connecting pipe, and the other end extends to the outside of the liquid supply pipe through the other end of the liquid supply pipe. A plurality of ventilation holes are provided on the other end of the liquid supply pipe.

4. The atomizer according to claim 3, wherein, The connecting pipe is a flexible pipe.

5. The atomizer according to claim 1, characterized in that, The atomizer further includes a housing. The atomizing component, the flow splitting component and the power component are all arranged in the housing. An exhaust hole communicated with the flow splitting component is provided on the housing. The adjusting component is arranged at the exhaust hole and is used to open or block the exhaust hole.

6. The atomizer according to claim 5, wherein, An installation groove is provided on the housing, and the exhaust hole is eccentrically arranged at the bottom of the installation groove; Wherein, the adjusting component includes: A rotating part, which is coaxially rotatably arranged in the installation groove, and a blocking part is eccentrically arranged on the side of the rotating part facing the installation groove. The blocking part is in sealing cooperation with the exhaust hole.

7. The atomizer according to claim 6, characterized in that, At least one set of limiting components is arranged between the rotating part and the installation groove. The limiting components include a limiting block arranged on the outer wall of the rotating part and a limiting groove arranged on the inner wall of the installation groove. The limiting block is clamped into the limiting groove and forms a circumferential sliding fit with the limiting groove. When the limiting block is circumferentially limited by one side wall of the limiting groove, the blocking part is in sealing cooperation with the exhaust hole. When the limiting block is circumferentially limited by the other side wall of the limiting groove, the blocking part is misaligned with the exhaust hole to open the exhaust hole.

8. The atomizer according to claim 7, characterized in that, A notch is provided on the outer circumferential surface of the rotating part, and the limit clamping block is arranged at the notch.

9. The atomizer according to claim 6, wherein, An annular groove is formed on the outer circumference of the rotating part. An annular flange is provided on the groove wall of the installation groove. The annular flange is coaxially arranged in the annular groove and forms a circumferential guiding fit with the annular groove. When the annular flange is located in the annular groove, the blocking part contacts the bottom of the installation groove.

10. The atomizer according to claim 5, characterized in that, The flow splitting assembly includes a tee pipe. The tee pipe includes an air inlet end communicated with the power assembly, an air outlet end communicated with the atomization assembly, and an exhaust end communicated with the exhaust hole. A constant leakage valve is arranged between the exhaust end and the exhaust hole.

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