CN220395937U - Diaphragm air pump sprayer, diaphragm air pump and electronic atomization device - Google Patents

Abstract

The application discloses a diaphragm air pump spray head, a diaphragm air pump and an electronic atomization device, wherein the diaphragm air pump spray head comprises a main air passage section, a mixed air passage section and a plurality of cavity air passage sections; the plurality of chamber air passage sections are communicated with the mixed air passage section and then are communicated with the main air passage section through the mixed air passage section; the main air passage section is provided with a first port and a second port which are oppositely arranged; the first port is communicated with a port of the mixed air passage section far away from the chamber air passage section, and the second port is communicated with the outside. Through setting up the mixed air flue section between cavity air flue section and main air flue section, the air current in each cavity air flue section is in the mixed air flue section intensive mixing to reduce the velocity gradient, reduced pressure disturbance, and then realized reducing pneumatic noise.

Description

Diaphragm air pump sprayer, diaphragm air pump and electronic atomization device

Technical Field

The application relates to the technical field of electronic atomization, in particular to a diaphragm air pump spray head, a diaphragm air pump and an electronic atomization device.

Background

In the existing diaphragm air pump spray head air passage, a direct connection structure is generally adopted between each chamber air passage and the main air passage. In the operation process of the diaphragm air pump, air in the air passage of each chamber is directly extruded into the main air passage, so that larger pneumatic noise is generated, and the use experience of a user is reduced.

Disclosure of Invention

The application provides a diaphragm air pump shower nozzle, diaphragm air pump and electron atomizing device to reduce pneumatic noise.

In order to solve the technical problem, the first technical scheme provided by the application is as follows: the diaphragm air pump spray head comprises a main air passage section, a mixed air passage section and a plurality of cavity air passage sections; the plurality of chamber air passage sections are communicated with the mixed air passage section and then communicated with the main air passage section through the mixed air passage section; the main air passage section is provided with a first port and a second port which are oppositely arranged; the first port is communicated with a port of the mixed air passage section far away from the chamber air passage section, and the second port is communicated with the outside.

In an embodiment, the chamber air passage section comprises a first air passage section, a second air passage section and a third air passage section which are communicated in sequence, wherein the first air passage section is positioned at one side of the second air passage section away from the mixed air passage section, and the third air passage section is communicated with the mixed air passage section; the cross-sectional area of the first airway segment gradually decreases and/or the cross-sectional area of the second airway segment gradually decreases and/or the cross-sectional area of the third airway segment remains uniform along a direction approaching the mixing airway segment.

In an embodiment, the ratio of the radial width of the port of the first airway segment distal to the second airway segment to the radial width of the port of the first airway segment proximal to the second airway segment is 2-3;

and/or the ratio of the length of the first air passage section to the radial width of the port of the first air passage section close to the second air passage section is 0.9-1.1.

In one embodiment, the second airway segment is of a centrosymmetric structure; and/or the third air passage section is of a central symmetrical structure.

In one embodiment, the second airway segment is shaped as a truncated cone; and/or the third airway segment is cylindrical in shape.

In an embodiment, the ratio of the radial width of the port of the second air passage section away from the third air passage section to the radial width of the port of the second air passage section near the third air passage section is 1.2-1.8;

and/or the ratio of the length of the second air passage section to the radial width of the port of the second air passage section near the third air passage section is 0.8-1.

In one embodiment, the ratio of the length of the third airway segment to the radial width of the third airway segment is 0.4 to 0.6.

In one embodiment, the length of the mixed airway section is greater than the sum of the length of the second airway section and the length of the third airway section.

In one embodiment, the mixing airway segment is cylindrical in shape.

In order to solve the technical problem, the second technical scheme provided by the application is as follows: providing a diaphragm air pump, comprising any one of the diaphragm air pump spray heads, a motor, a connecting rod structure, a diaphragm and a plunger;

the motor is connected with and drives the connecting rod structure; the connecting rod structure drives the plunger to move, and the diaphragm is driven by the plunger to generate airflow, so that the airflow flows into the cavity air passage section of the diaphragm air pump spray head.

In one embodiment, the gas flows within each of the chamber airway segments are mixed within the mixing airway segment.

In order to solve the technical problem, a third technical scheme provided by the application is as follows: providing an electronic atomization device, which comprises the diaphragm air pump, a nozzle, a liquid storage bottle and an atomization core;

the diaphragm air pump is communicated with the nozzle and is used for providing high-speed air flow for the nozzle; the reservoir is for storing an aerosol-generating substrate; the liquid storage bottle is communicated with the nozzle, and the aerosol generating substrate is transmitted to the position of the nozzle and atomized under the action of high-speed air flow provided by the diaphragm air pump to generate aerosol.

The beneficial effects of this application: different from the prior art, the application discloses a diaphragm air pump spray head, a diaphragm air pump and an electronic atomization device; the diaphragm air pump spray head comprises a main air passage section, a mixed air passage section and a plurality of cavity air passage sections; the plurality of chamber air passage sections are communicated with the mixed air passage section and then are communicated with the main air passage section through the mixed air passage section; the main air passage section is provided with a first port and a second port which are oppositely arranged; the first port is communicated with a port of the mixed air passage section far away from the chamber air passage section, and the second port is communicated with the outside. Through setting up the mixed air flue section between cavity air flue section and main air flue section, the air current in each cavity air flue section is in the mixed air flue section intensive mixing to reduce the velocity gradient, reduced pressure disturbance, and then realized reducing pneumatic noise.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural view of a diaphragm air pump sprayer provided in an embodiment of the application;

FIG. 2 is a schematic cross-sectional view of the diaphragm air pump sprayer shown in FIG. 1 in the direction A-A';

FIG. 3 is a top view of the diaphragm air pump sprayer of FIG. 1;

FIG. 4 is a diagram of experimental results of air flow fields corresponding to a diaphragm air pump nozzle provided by the application;

FIG. 5 is a graph of experimental results of air flow fields corresponding to a diaphragm air pump nozzle in the prior art;

FIG. 6 is a schematic cross-sectional view of a diaphragm air pump provided in an embodiment of the present application;

fig. 7 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application.

Detailed Description

The following description of the technical solutions in the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, interfaces, techniques, etc., in order to provide a thorough understanding of the present application.

The terms "first," "second," "third," and the like in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may include at least one such feature, either explicitly or implicitly. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement conditions, etc. between the components under a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is correspondingly changed. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may alternatively include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The present application is described in detail below with reference to the accompanying drawings and examples.

Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a diaphragm air pump nozzle according to an embodiment of the present disclosure; FIG. 2 is a schematic cross-sectional view of the diaphragm air pump sprayer shown in FIG. 1 in the direction A-A'; fig. 3 is a top view of the diaphragm air pump sprayer shown in fig. 1.

The diaphragm air pump sprayer 1 comprises a main air passage section 11, a mixed air passage section 12 and a plurality of chamber air passage sections 13. The chamber air passage sections 13 are all communicated with the mixed air passage section 12 and then communicated with the main air passage section 11 through the mixed air passage section 12. It should be noted that, the magnitude of the pneumatic noise of the diaphragm air pump nozzle 1 is positively correlated with the magnitude of the velocity gradient in the air flowing process, and a mixing air passage section 12 is provided between each chamber air passage section 13 and the main air passage section 11, so that the air flows are fully mixed in the mixing air passage section 12 to reduce the velocity gradient, thereby realizing the reduction of the pneumatic noise of the diaphragm air pump nozzle 1.

The main air passage section 11 is provided with a first port 111 and a second port 112 which are oppositely arranged, the first port 111 is communicated with a port of the mixed air passage section 12 far away from the chamber air passage section 13, and the second port 112 is communicated with the outside; the cross-sectional area of the first port 111 is greater than the cross-sectional area of the second port 112. The cross-sectional shape of the main airway segment 11 is circular. The cross section refers to a cross section perpendicular to the axial direction of the diaphragm air pump sprayer 1, and the cross sections in the following description are all cross sections along the axial direction perpendicular to the diaphragm air pump sprayer 1, and are not described again. The cross-sectional shape of the main air passage section 11 is not limited to a circular shape, and may be, for example, a rectangular shape or the like.

The longitudinal cross-sectional shape of the mixing airway segment 12 is rectangular; and/or the cross-sectional shape of the mixing airway segment 12 is circular; that is, the mixing airway segment 12 is cylindrical in shape. The longitudinal section refers to a section parallel to the axial direction of the diaphragm air pump head 1, and the longitudinal sections described below are sections along the axial direction of the diaphragm air pump head 1. The cross section area of the mixed air passage section 12 is larger than the port area of the main air passage section 11, which is close to the mixed air passage section 12, so that the gas of each chamber air passage section 13 is fully mixed in the mixed air passage section 12, the gas flow in the main air passage section 11 is more stable, and the vibration is reduced. The cross-sectional shape of the mixing duct segment 12 is not limited to a circular shape, and may be, for example, a rectangular shape or the like.

The end of the mixed air passage section 12 close to the chamber air passage section 13 is provided with a plurality of communication ports (not shown), one communication port is arranged corresponding to one chamber air passage section 13, air flow in the chamber air passage section 13 enters the mixed air passage section 12 from the corresponding communication port, the problem that the air flow in each chamber air passage section 13 is extruded into the mixed air passage section 12 from the same port is solved, the speed gradient of the connecting part of the chamber air passage section 13 and the mixed air passage section 12 is effectively reduced, the pressure disturbance is reduced, and the reduction of pneumatic noise is realized.

A number of chamber airway segments 13 are disposed around the axis of the main airway segment 11. The chamber airway segments 13 are of axisymmetric structure. The chamber air passage section 13 comprises a first air passage section 131, a second air passage section 132 and a third air passage section 133 which are communicated in sequence, wherein the first air passage section 131 is positioned on one side, far away from the mixed air passage section 12, of the second air passage section 132, and the third air passage section 133 is communicated with the mixed air passage section 12. The first air passage segment 131 and the second air passage segment 132 are tightly connected without transition gaps. The second air passage section 132 is tightly connected with the third air passage section 133 without a transitional gap. The cross-sectional area of the first air passage segment 131 gradually decreases and/or the cross-sectional area of the second air passage segment 132 gradually decreases and/or the cross-sectional area of the third air passage segment 133 remains uniform in a direction approaching the mixing air passage segment 12.

Specifically, the first gas duct section 131 includes a first subsection 1311 and a second subsection 1312 in communication with each other; the first subsection 1311 has a right triangle shape in longitudinal cross-section, the second subsection 1312 has a rectangular shape in longitudinal cross-section, and the first air duct section 131 has a right trapezoid shape in longitudinal cross-section. Wherein the longitudinal section of the first air passage section 131 is a section of a plane passing through the axis of the diaphragm air pump head 1 and the axis of the third air passage section 133.

The cross-sectional shape of the first subsection 1311 is rectangular; the cross-sectional area of the first subsection 1311 gradually decreases in a direction approaching the mixing airway segment 12. The cross-sectional shape of the second subsection 1312 is a sector; the cross-sectional area of the second subsection 1312 remains uniform along the direction approaching the mixing airway segment 12. The cross-sectional shape of the first subsection 1311 is not limited to a rectangle, and the cross-sectional shape of the second subsection 1312 is not limited to a fan shape, and the longitudinal cross-sectional shape of the first duct section 131 may be a right trapezoid.

The ratio of the radial width of the port of the first air passage segment 131 away from the second air passage segment 132 to the radial width of the port of the first air passage segment 131 close to the second air passage segment 132 is 2-3; and/or the ratio of the length of the first air passage segment 131 to the radial width of the port of the first air passage segment near the second air passage segment 132 is 0.9-1.1. Wherein, the radial width refers to the width along the diameter direction of the diaphragm air pump sprayer 1; the length refers to a dimension along the axial direction of the diaphragm air pump head 1. In the following, the radial width and length are as defined above. When the longitudinal cross-sectional shape of the first air passage segment 131 is a right trapezoid, the radial width of the port of the first air passage segment 131 away from the second air passage segment 132 may be understood as the length of the side of the right trapezoid away from the second air passage segment 132, the radial width of the port of the first air passage segment 131 near the second air passage segment 132 may be understood as the length of the side of the right trapezoid near the second air passage segment 132, and the length of the first air passage segment 131 may be understood as the height of the right trapezoid.

The first air passage segment 131 communicates with the second air passage segment 132 through a port of the second sub-segment 1312 adjacent to the second air passage segment 132, the shape and area of the port of the second sub-segment 1312 adjacent to the second air passage segment 132 being the same as the shape and area of the port of the second air passage segment 132 adjacent to the first air passage segment 131.

The second airway segment 132 is a centrally symmetric structure and/or the third airway segment 133 is a centrally symmetric structure. In one embodiment, the shape of the second air channel section 132 is a truncated cone (the longitudinal cross-sectional shape of the second air channel section 132 is an isosceles trapezoid, and the cross-sectional shape of the second air channel section 132 is a circle); and/or the third air passage section 133 is cylindrical in shape (the longitudinal cross-sectional shape of the third air passage section 133 is rectangular, and the cross-sectional shape of the third air passage section 133 is circular). In one embodiment, the second airway segment 132 is in the shape of a prismatic frustum.

The ratio of the radial width of the port of the second air passage section 132 distal from the third air passage section 133 to the radial width of the port of the second air passage section 132 proximal to the third air passage section 133 is 1.2-1.8; and/or the ratio of the length of the second airway segment 132 to the radial width of the second airway segment's port proximate the third airway segment 133 is 0.8-1. When the shape of the second air passage section 132 is a circular truncated cone, the radial width of the port of the second air passage section 132 far from the third air passage section 133 may be understood as the length of the side of the isosceles trapezoid far from the third air passage section 133, the radial width of the port of the second air passage section 132 near to the third air passage section 133 may be understood as the length of the side of the isosceles trapezoid near to the third air passage section 133, and the length of the second air passage section 132 may be understood as the height of the isosceles trapezoid.

The ratio of the length of the third airway segment 133 to the radial width of the port of the third airway segment 133 is 0.4-0.6. The radial width of the ports of the third airway segment 133 is the same as the radial width of the ports of the second airway segment 132 adjacent to the third airway segment 133. The shape of the third air passage section 133 is not limited to a cylinder, and the shape of the port of the third air passage section 133 near the second air passage section 132 may be the same as the shape of the port of the second air passage section 132 near the third air passage section 133. When the shape of the third air passage section 133 is a cylinder, the length of the third air passage section 133 may be understood as a rectangular width, and the radial width of the port of the third air passage section 133 may be understood as a rectangular length or a diameter of the cylinder.

Wherein the length of the mixing airway segment 12 is greater than the sum of the length of the second airway segment 132 and the length of the third airway segment 133.

Referring to fig. 4 and fig. 5, fig. 4 is a diagram of experimental results of an air flow field corresponding to a diaphragm air pump nozzle provided by the present application; fig. 5 is a graph of experimental results of an air-air flow field corresponding to a diaphragm air pump nozzle in the prior art.

The application also makes experimental comparison between the air flow field corresponding to the diaphragm air pump sprayer 1 shown in fig. 1 and the air flow field corresponding to the diaphragm air pump sprayer 1 in the prior art. Specifically, in the diaphragm air pump sprayer 1 in the prior art, when the air pump operates, air flow in each chamber air passage section 13 is directly extruded into the main air passage section 11, and an air flow field is shown in fig. 5. When the diaphragm air pump sprayer 1 provided by the application is adopted, as shown in fig. 4, the air flow in the main air passage section 11 is more stable, and the vibration is reduced.

In addition, this application has still through the experiment to prior art's diaphragm air pump shower nozzle 1 (when the air pump operates with the air current in each cavity air flue section 13 directly squeeze into main air flue section 11) noise and the noise of this application embodiment provided diaphragm air pump shower nozzle 1 have been compared, and prior art's diaphragm air pump shower nozzle 1's noise is 68dB-69dB, and the noise of this application embodiment provided diaphragm air pump shower nozzle 1 is 58dB-60dB, and pneumatic noise has about 20% decline.

Referring to fig. 6, fig. 6 is a schematic cross-sectional structure of a diaphragm air pump according to an embodiment of the present disclosure.

The diaphragm air pump 2 comprises a diaphragm air pump spray head 1, a motor 21, a connecting rod structure 22, a diaphragm 23 and a plunger 24. The motor 21 is connected with and drives the connecting rod structure 22; the connecting rod structure 22 drives the plunger 24 to move, and the diaphragm 23 is driven by the plunger 24 to generate airflow, so that the airflow flows into the chamber air passage section 13 of the diaphragm air pump sprayer 1.

In one embodiment, the gas flows within each chamber airway segment 13 are mixed within the mixing airway segment 12.

Specifically, when the diaphragm air pump 2 works, the connecting rod structure 22 drives the plunger 24 to reciprocate under the drive of the motor 21, and the working liquid in the liquid cylinder is transferred to the diaphragm 23 through the motion of the plunger 24, so that the diaphragm 23 is inflated back and forth to generate air flow, and the diaphragm 23 generates the flow of the air flow in the inflation process; the diaphragm 23 is arranged corresponding to the chamber air passage section 13, and air flows from the chamber air passage section 13 into the mixing air passage section 12 of the diaphragm air pump spray head 1 to realize full mixing, so that the speed gradient is reduced, and meanwhile, the pressure disturbance is reduced, thereby reducing noise.

It should be noted that, the diaphragm air pump 2 may further include structural elements such as a housing, and the arrangement and functions thereof are the same as those of the prior art, and will not be described again.

Referring to fig. 7, fig. 7 is a schematic structural diagram of an electronic atomization device according to an embodiment of the present application.

The electronic atomizing device 3 comprises a diaphragm air pump 2, a nozzle 31, a liquid storage bottle 32 and an air outlet channel 33. The diaphragm air pump 2 is communicated with the nozzle 31, and the diaphragm air pump 2 is used for providing high-speed air flow for the nozzle 31; the reservoir 32 is for storing a aerosol-generating substrate; the reservoir 32 communicates with the nozzle 31 and the aerosol-generating substrate is transported to the location of the nozzle 31 and is atomized by the high-speed air flow provided by the diaphragm air pump 2 to generate an aerosol. The aerosol generated by atomization flows out of the electronic atomizing device 3 through the air outlet channel 33 and is finally inhaled by the user.

The application discloses a diaphragm air pump spray head 1, a diaphragm air pump 2 and an electronic atomization device 3, wherein the diaphragm air pump spray head 1 comprises a main air passage section 11, a mixed air passage section 12 and a plurality of chamber air passage sections 13; the plurality of chamber air passage sections 13 are communicated with the mixed air passage section 12 and then are communicated with the main air passage section 11 through the mixed air passage section 12; the main airway segment 11 has oppositely disposed first and second ports 111 and 112; the first port 111 communicates with a port of the mixing airway segment 12 remote from the chamber airway segment and the second port 112 communicates with the outside. By arranging the mixing air passage section 12 between the chamber air passage section 13 and the main air passage section 11, the air flows in the chamber air passage sections 13 are fully mixed in the mixing air passage section 12, so that the speed gradient is reduced, the pressure disturbance is reduced, and the pneumatic noise is further reduced.

The foregoing is only the embodiments of the present application, and not the patent scope of the present application is limited by the foregoing description, but all equivalent structures or equivalent processes using the contents of the present application and the accompanying drawings, or directly or indirectly applied to other related technical fields, which are included in the patent protection scope of the present application.

Claims (12)

1. A diaphragm air pump sprayer, comprising:

the device comprises a main air passage section, a mixed air passage section and a plurality of cavity air passage sections;

the plurality of chamber air passage sections are communicated with the mixed air passage section and then communicated with the main air passage section through the mixed air passage section;

the main air passage section is provided with a first port and a second port which are oppositely arranged; the first port is communicated with a port of the mixed air passage section far away from the chamber air passage section, and the second port is communicated with the outside.

2. The diaphragm air pump sprayer of claim 1, wherein the chamber air passage section comprises a first air passage section, a second air passage section and a third air passage section which are communicated in sequence, the first air passage section is positioned on one side of the second air passage section away from the mixed air passage section, and the third air passage section is communicated with the mixed air passage section; the cross-sectional area of the first airway segment gradually decreases and/or the cross-sectional area of the second airway segment gradually decreases and/or the cross-sectional area of the third airway segment remains uniform along a direction approaching the mixing airway segment.

3. The diaphragm air pump sprayer of claim 2, wherein the ratio of the radial width of the port of the first air passage section that is distal to the second air passage section to the radial width of the port of the first air passage section that is proximal to the second air passage section is 2-3;

and/or the ratio of the length of the first air passage section to the radial width of the port of the first air passage section close to the second air passage section is 0.9-1.1.

4. The diaphragm air pump sprayer of claim 2, wherein the second air passage section is of a centrally symmetrical configuration; and/or the third air passage section is of a central symmetrical structure.

5. The diaphragm air pump sprayer of claim 4, wherein the second air passage section is in the shape of a truncated cone; and/or the third airway segment is cylindrical in shape.

6. The diaphragm air pump sprayer of claim 2, wherein a ratio of a radial width of a port of the second air passage section that is distal to the third air passage section to a radial width of a port of the second air passage section that is proximal to the third air passage section is 1.2-1.8;

and/or the ratio of the length of the second air passage section to the radial width of the port of the second air passage section near the third air passage section is 0.8-1.

7. The diaphragm air pump sprayer of claim 2, wherein the ratio of the length of the third air passage section to the radial width of the third air passage section is 0.4-0.6.

8. The diaphragm air pump sprayer of claim 2, wherein the length of the mixing air passage segment is greater than the sum of the length of the second air passage segment and the length of the third air passage segment.

9. The diaphragm air pump sprayer of claim 1, wherein the mixing air channel section is cylindrical in shape.

10. A diaphragm air pump, comprising:

the diaphragm air pump sprayer of any one of claims 1-9, a motor, a connecting rod structure, a diaphragm, a plunger;

the motor is connected with and drives the connecting rod structure; the connecting rod structure drives the plunger to move, and the diaphragm is driven by the plunger to generate airflow, so that the airflow flows into the cavity air passage section of the diaphragm air pump spray head.

11. The diaphragm air pump of claim 10, wherein the air flow within each of said chamber air path segments is mixed within said mixing air path segment.

12. An electronic atomizing device, comprising:

a diaphragm air pump, nozzle, reservoir as claimed in any one of claims 10 to 11;

the diaphragm air pump is communicated with the nozzle and is used for providing high-speed air flow for the nozzle; the reservoir is for storing an aerosol-generating substrate; the liquid storage bottle is communicated with the nozzle, and the aerosol generating substrate is transmitted to the position of the nozzle and atomized under the action of high-speed air flow provided by the diaphragm air pump to generate aerosol.