Ventilation nozzle and atomization device

Abstract

The utility model relates to a ventilation nozzle and atomization device, including the body, the body is provided with the ventilation channel, in the length direction of the body, the ventilation channel passes through the body, the ventilation channel includes the liquid blocking cavity, the liquid blocking cavity includes at least one conical cavity, in the first direction, the inner diameter of the conical cavity is gradually reduced, and in the second direction, the inner diameter of the conical cavity is gradually reduced. The minimum inner diameter of the conical cavity is not larger than 1 mm. Wherein the first direction is parallel to the length direction. When the atomization device topples over, the ventilation nozzle can prevent liquid from passing through, and therefore liquid leakage is prevented.

Description

Technical Field

[0001] The utility model belongs to the technical field of atomization, and in particular relates to a ventilation nozzle and an atomization device. Background Art

[0002] In the fields of medical treatment, aromatherapy and electronic cigarettes, an atomizer is needed to atomize liquid. Taking aromatherapy as an example, essential oil is stored in a liquid bottle, and the liquid bottle is connected to the atomizer. The atomizer extracts the essential oil in the liquid bottle and sprays it out in an atomized manner. After the liquid in the liquid bottle is extracted, the liquid in the liquid bottle becomes less, so it is necessary to add air to the liquid bottle to ensure the air pressure balance in the liquid bottle. The current processing method is to directly set a ventilation hole connected to the liquid bottle on the atomizer, and the ventilation hole can be directly connected to the outside, but when the atomizer is tilted, the liquid in the liquid bottle may flow out from the ventilation hole, thereby causing corrosion to surrounding objects. Utility Model Content

[0003] In view of this, the utility model provides a ventilation nozzle and an atomizing device. When the atomizing device is tipped over, the ventilation nozzle can prevent liquid from passing through, thereby preventing liquid leakage.

[0004] The technical solution adopted by the utility model is:

[0005] A ventilation nozzle is used in an atomization device, comprising a main body, on which a ventilation channel is provided. In the length direction of the main body, the ventilation channel runs through the main body, the ventilation channel comprises a liquid-blocking cavity, and the liquid-blocking cavity comprises at least one conical cavity. In a first direction, the inner diameter of the conical cavity gradually decreases, and the minimum inner diameter of the conical cavity is not greater than 1 mm; wherein the first direction is parallel to the length direction.

[0006] Preferably, the liquid-blocking cavity comprises three tapered cavities, and in the first direction, the three tapered cavities are connected in sequence.

[0007] Preferably, the ventilation channel further comprises a connecting cavity, the inner diameter of each part of the connecting cavity is consistent, the inner diameter of the connecting cavity is equal to the maximum inner diameter of the tapered cavity, and the direction of the connecting cavity toward the liquid blocking cavity is the first direction.

[0008] Preferably, the body comprises an inserting section and an exposed section which are connected to each other, the liquid blocking cavity is located in the exposed section, and the communicating cavity is located in the inserting section.

[0009] Preferably, the diameter of the plug-in section is smaller than the diameter of the exposed section, and a stop ring is further connected to the main body, and the stop ring is located between the plug-in section and the exposed section.

[0010] Preferably, the exposed section includes an equal diameter section and a reduced diameter section connected to each other. In the first direction, the plug-in section, the equal diameter section and the reduced diameter section are connected in sequence, the diameter of the reduced diameter section gradually decreases, and the diameter of the large end of the reduced diameter section is equal to the diameter of the equal diameter section.

[0011] The utility model also relates to an atomizing device, comprising a first shell, a lower connecting member, an airway, a limit plate and the aforementioned ventilation nozzle, wherein a first cavity with an opening facing downward is formed in the first shell, a liquid outlet nozzle is connected to the top wall of the first shell, a liquid outlet hole penetrating from top to bottom is provided in the liquid outlet nozzle, and the liquid outlet hole is connected to the first cavity;

[0012] The lower connecting member includes a connecting plate and a connecting side wall, the connecting side wall is connected to the lower side of the connecting plate, the connecting side wall encloses a second cavity with an opening facing downward, the inner wall of the connecting side wall is provided with a threaded structure for connecting a liquid bottle, the lower connecting member is connected to the lower side of the first shell, the connecting plate closes the downward opening of the first cavity from the lower side, and a through hole is provided on the connecting plate, so that the first cavity and the second cavity are connected through the through hole;

[0013] The limit plate is arranged in the first cavity, and the limit plate is in a conical structure with a larger top and a smaller bottom. A connecting pipe is arranged at the top of the limit plate, and the connecting pipe is plug-connected with the through hole. The outer edge of the limit plate is sealedly connected with the inner wall of the first cavity. The limit plate divides the first cavity into a first space and a second space, wherein the first space is connected with the liquid outlet hole;

[0014] The connecting plate is provided with a ventilation hole, the ventilation hole is located outside the limiting plate, so that the second space is connected with the second cavity, and the ventilation nozzle is embedded in the ventilation hole;

[0015] A ventilation gap is also provided on the side wall of the first shell, and the ventilation gap is connected to the second space;

[0016] The air channel is located outside the first shell, and has an air port, which faces the liquid outlet.

[0017] Beneficial effects of the utility model:

[0018] The ventilation nozzle of the utility model is applied to an atomizing device. When the atomizing device is working, the liquid in the liquid bottle is extracted. As the liquid in the liquid bottle is reduced, the air pressure in the liquid bottle is reduced, and air needs to be introduced into the liquid bottle. As a ventilation channel is formed in the ventilation nozzle, the liquid bottle can be connected with the outside through the ventilation channel, so that the outside air can enter the liquid bottle, thereby preventing the liquid bottle from having a negative pressure. When the atomizing device is tilted, the liquid in the liquid bottle will enter the ventilation channel, specifically, the conical cavity. As the minimum inner diameter of the conical cavity is less than 1 mm, the liquid forms a capillary force in the conical cavity, thereby preventing the liquid from passing through the conical cavity, thereby preventing the liquid from passing through the ventilation channel, thereby preventing the liquid from leaking, and avoiding corrosion to surrounding objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and other purposes, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

[0020] Figure 1 is a cross-sectional view of the ventilation nozzle;

[0021] Figure 2 is a schematic diagram of the structure of the atomization device;

[0022] Figure 3 is a cross-sectional view of the atomization assembly;

[0023] Figure 4 It is a cross-sectional view of the ventilation nozzle on the atomization device.

[0024] In the figure: 1, ventilation nozzle; 2, first shell; 3, lower connecting piece; 4, airway; 5, liquid outlet nozzle; 6, limit plate; 7, liquid bottle;

[0025] 11. Exposed section; 12. Insertion section; 13. Stop ring; 14. Connecting cavity; 15. Conical cavity;

[0026] 21. First space; 22. Second space; 23. Ventilation gap;

[0027] 31. connecting plate; 32. connecting side wall; 33. second cavity;

[0028] 51. Liquid outlet. DETAILED DESCRIPTION

[0029] The present invention is described below based on embodiments, but the present invention is not limited to these embodiments. In the following detailed description of the present invention, some specific details are described in detail. In order to avoid confusing the essence of the present invention, known methods, processes, procedures, and components are not described in detail.

[0030] In addition, persons of ordinary skill in the art will appreciate that the drawings provided herein are for illustration purposes and are not necessarily drawn to scale.

[0031] Unless the context clearly requires otherwise, throughout the specification and claims, the words "include", "comprising" and similar words should be interpreted in an inclusive sense rather than an exclusive or exhaustive sense; that is, in the sense of "including but not limited to".

[0032] In the description of the present invention, it should be understood that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more.

[0033] See also Figure 1-Figure 4 The utility model provides a ventilation nozzle, which is mainly used in an atomization device. The atomization device can be used in medical treatment, aromatherapy and electronic cigarettes. For example, in medical treatment, it is used as a medical atomizer, and the liquid bottle 7 is filled with liquid medicine. In aromatherapy, it is used as an aromatherapy spray, and the liquid bottle 7 is filled with essential oil. In electronic cigarettes, the liquid bottle 7 is filled with tobacco oil.

[0034] The ventilation nozzle 1 includes a main body, on which a ventilation channel is provided. In the length direction of the main body, the ventilation channel runs through the main body. The ventilation channel includes a liquid-blocking cavity, and the liquid-blocking cavity includes at least one conical cavity 15. In a first direction, the inner diameter of the conical cavity 15 gradually decreases, and the minimum inner diameter of the conical cavity 15 is not greater than 1 mm; wherein the first direction is parallel to the length direction.

[0035] The main body is a rotating body, and the ventilation channel runs through the main body along the axis of the main body (also the length direction), so that the two ends of the main body can be connected through the ventilation channel. Therefore, when applied to the atomization device, one end of the ventilation channel is connected to the liquid bottle 7, and the other end of the ventilation channel is connected to the outside world, so that the outside air can enter the liquid bottle 7 through the ventilation channel, thereby achieving the purpose of replenishing the liquid bottle 7 with air.

[0036] For ease of understanding, the ventilation nozzle 1 is applied to the atomization device for explanation. The atomization device includes a first shell 2, a lower connecting member 3, an airway 4, a limiting plate 6 and a ventilation nozzle 1. A first cavity with an opening facing downward is formed in the first shell 2. A liquid outlet nozzle 5 is connected to the top wall of the first shell 2. A liquid outlet hole 51 is provided in the liquid outlet nozzle 5 and runs through from top to bottom. The liquid outlet hole 51 is connected to the first cavity.

[0037] The lower connecting member 3 includes a connecting plate 31 and a connecting side wall 32, the connecting side wall 32 is connected to the lower side of the connecting plate 31, the connecting side wall 32 surrounds a second cavity 33 with an opening facing downward, and a threaded structure for connecting a liquid bottle 7 is provided on the inner wall of the connecting side wall 32. The lower connecting member 3 is connected to the lower side of the first shell 2, the connecting plate 31 closes the downward opening of the first cavity from the lower side, and a through hole is provided on the connecting plate 31, so that the first cavity is connected to the second cavity 33 through the through hole.

[0038] The limit plate 6 is arranged in the first cavity, and the limit plate 6 has a conical structure that is larger at the top and smaller at the bottom. A connecting pipe is provided at the top of the cone of the limit plate 6, and the connecting pipe is plug-connected with the through-hole. The outer edge of the limit plate 6 is sealed and connected to the inner wall of the first cavity. The limit plate 6 divides the first cavity into a first space 21 and a second space 22, wherein the first space 21 is connected to the liquid outlet 51.

[0039] The connecting plate 31 is provided with a ventilation hole, and the ventilation hole is located outside the limiting plate 6 so that the second space 22 is connected with the second cavity 33 . The ventilation nozzle 1 is embedded in the ventilation hole.

[0040] A ventilation notch 23 is further provided on the side wall of the first shell 2 , and the ventilation notch 23 is communicated with the second space 22 .

[0041] The air channel 4 is located outside the first shell 2 . The air channel 4 has an air port, and the air port faces the liquid outlet 51 .

[0042] The atomizing device of the utility model needs to be used in conjunction with a liquid bottle 7 , in which a liquid (the liquid may be liquid medicine, essential oil or tobacco oil, etc.) is contained, and the liquid can be atomized and sprayed out.

[0043] For the convenience of description, after the atomizing device is connected to the liquid bottle 7 (for the convenience of description, the two together constitute an atomizing assembly), at this time, the bottle mouth of the liquid bottle 7 is connected to the second cavity 33. Since the inner wall of the connecting side wall 32 is provided with a threaded structure, the liquid bottle 7 can be threadedly connected to the second cavity 33. At this time, the first cavity can be connected to the liquid bottle 7 through the through hole, that is, under the action of external force, the liquid in the liquid bottle 7 can enter the first cavity (specifically, enter the first space 21) through the through hole; when in use, a high-pressure airflow is sprayed toward the liquid outlet 51 through the airway 4, and the high-pressure airflow passes through the liquid outlet 51, so that a negative pressure is formed at the liquid outlet 51. The liquid outlet 51 is connected to the second cavity 33 through the first space 21 and the through hole, and the second cavity 33 is connected to the liquid bottle 7, so that the liquid in the liquid bottle 7 can be sucked to the liquid outlet 51, and the liquid is sprayed from the liquid outlet 51 with the high-speed airflow, thereby achieving the purpose of atomizing the liquid.

[0044] As the liquid in the liquid bottle 7 is drawn out, the liquid in the liquid bottle 7 is reduced, so that the air pressure in the liquid bottle 7 is reduced, and air needs to be introduced into the liquid bottle 7. Since the ventilation nozzle 1 is installed at the ventilation hole and a ventilation channel is formed in the ventilation nozzle 1, the two ends of the ventilation channel are respectively connected to the second space 22 and the second cavity 33, and the second space 22 is connected to the outside through the ventilation gap 23. Therefore, the outside air can enter the second cavity 33 through the ventilation gap 23 and the ventilation nozzle 1, so that the outside air can enter the liquid bottle 7, thereby preventing the liquid bottle 7 from having a negative pressure.

[0045] When the atomizer device topples over, the liquid in the liquid bottle 7 will enter the ventilation channel, specifically, the conical cavity 15. Since the minimum inner diameter of the conical cavity 15 is less than 1 mm, the liquid forms a capillary force in the conical cavity 15, thereby preventing the liquid from passing through the conical cavity 15, thereby preventing the liquid from passing through the ventilation channel, thereby preventing liquid leakage and avoiding corrosion to surrounding objects.

[0046] It should be noted that the first direction is from bottom to top, so when the liquid enters the conical cavity 15, the cross section of the liquid entering becomes smaller and smaller, and the venting nozzle is preferably made of polytetrafluoroethylene. When the liquid reaches the top of the conical cavity 15, the contact angle between the liquid and the conical cavity 15 is greater than 90° (the angle between the cavity wall of the conical cavity 15 and the top surface of the conical cavity 15), so that the liquid generates sufficient capillary force to avoid leakage of the liquid. In practical applications, the material of the venting nozzle and the angle of the conical cavity (such as the cone top angle) can be adaptively adjusted according to different essential oils (liquids) to achieve the purpose of preventing liquid leakage.

[0047] In the first direction, the inner diameter of the tapered cavity gradually decreases. The change in the inner diameter of the tapered cavity can be linear or nonlinear, and it is only necessary to ensure that the inner diameter of the tapered cavity gradually decreases from bottom to top.

[0048] The liquid blocking cavity includes three conical cavities 15, and the three conical cavities 15 are connected in sequence in the first direction. The three conical cavities 15 are connected in sequence, and the cavity bottom of the previous conical cavity 15 is connected to the cavity top of the next conical cavity 15. When the liquid passes through each conical cavity 15, it needs to overcome the corresponding capillary force, thereby increasing the difficulty of liquid leakage and avoiding liquid leakage.

[0049] The ventilation channel further includes a connecting cavity 14 . The inner diameter of each part of the connecting cavity 14 is consistent. The inner diameter of the connecting cavity 14 is equal to the maximum inner diameter of the tapered cavity 15 . The direction of the connecting cavity 14 toward the liquid blocking cavity is the first direction.

[0050] In other embodiments, the number of the tapered cavities 15 may be 2, 4 or more.

[0051] Of course, the heights of the three conical cavities may be the same or different.

[0052] The ventilation channel further includes a connecting cavity 14 . The inner diameter of each part of the connecting cavity 14 is consistent. The inner diameter of the connecting cavity 14 is equal to the maximum inner diameter of the tapered cavity 15 . The direction of the connecting cavity 14 toward the liquid blocking cavity is the first direction.

[0053] The main body includes an inserting section 12 and an exposed section 11 which are connected to each other. The liquid blocking cavity is located in the exposed section 11 , and the communicating cavity 14 is located in the inserting section 12 .

[0054] When applied to the atomizer, the plug-in section 12 is plugged into the ventilation hole, so that the ventilation nozzle 1 can be relatively fixed on the atomizer, and there is an interference fit between the plug-in section 12 and the ventilation hole, and the local size of the conical cavity 15 is small, so that the deformation of the conical cavity 15 in the radial direction is small, and thus a relatively large connecting cavity 14 is provided in the plug-in section 12, so that the plug-in section 12 can be smoothly plugged into the ventilation hole, and the liquid blocking cavity is located in the exposed section 11, and in the radial direction, the exposed section 11 does not need to cooperate with any structure, so that the liquid blocking cavity can realize the liquid blocking function.

[0055] The diameter of the plug-in section 12 is smaller than the diameter of the exposed section 11 . A stop ring 13 is further connected to the body, and the stop ring 13 is located between the plug-in section 12 and the exposed section 11 .

[0056] The stop ring 13 is provided so that the ventilation nozzle 1 and the connecting plate 31 are limited in position in the first direction, that is, when the ventilation nozzle 1 and the ventilation hole are inserted, the stop ring 13 and the connecting plate 31 are abutted against each other.

[0057] The exposed section 11 includes an equal diameter section and a reduced diameter section connected to each other. In the first direction, the plug-in section 12, the equal diameter section and the reduced diameter section are connected in sequence, the diameter of the reduced diameter section gradually decreases, and the diameter of the large end of the reduced diameter section is equal to the diameter of the equal diameter section.

[0058] The specific structure of the exposed section 11 makes it easier to pick up the ventilation nozzle 1 and install it at the ventilation hole when installing the ventilation nozzle 1.

[0059] The utility model also relates to an atomization device, comprising a first shell 2, a lower connecting member 3, an airway 4, a limit plate 6 and a ventilation nozzle 1, wherein a first cavity with an opening facing downward is formed in the first shell 2, a liquid outlet nozzle 5 is connected to the top wall of the first shell 2, a liquid outlet hole 51 which passes through from top to bottom is provided in the liquid outlet nozzle 5, and the liquid outlet hole 51 is connected to the first cavity.

[0060] The lower connecting member 3 includes a connecting plate 31 and a connecting side wall 32, the connecting side wall 32 is connected to the lower side of the connecting plate 31, the connecting side wall 32 surrounds a second cavity 33 with an opening facing downward, and a threaded structure for connecting a liquid bottle 7 is provided on the inner wall of the connecting side wall 32. The lower connecting member 3 is connected to the lower side of the first shell 2, the connecting plate 31 closes the downward opening of the first cavity from the lower side, and a through hole is provided on the connecting plate 31, so that the first cavity is connected to the second cavity 33 through the through hole.

[0061] The limit plate 6 is arranged in the first cavity, and the limit plate 6 has a conical structure that is larger at the top and smaller at the bottom. A connecting pipe is provided at the top of the cone of the limit plate 6, and the connecting pipe is plug-connected with the through-hole. The outer edge of the limit plate 6 is sealed and connected to the inner wall of the first cavity. The limit plate 6 divides the first cavity into a first space 21 and a second space 22, wherein the first space 21 is connected to the liquid outlet 51.

[0062] The connecting plate 31 is provided with a ventilation hole, and the ventilation hole is located outside the limiting plate 6 so that the second space 22 is connected with the second cavity 33 . The ventilation nozzle 1 is embedded in the ventilation hole.

[0063] A ventilation notch 23 is further provided on the side wall of the first shell 2 , and the ventilation notch 23 is communicated with the second space 22 .

[0064] The air channel 4 is located outside the first shell 2 . The air channel 4 has an air port, and the air port faces the liquid outlet 51 .

[0065] The specific working process of the ventilation device has been described in the previous article and will not be repeated here.

[0066] When the atomizer is working, the liquid in the liquid bottle 7 is extracted. As the liquid in the liquid bottle 7 decreases, the air pressure in the liquid bottle 7 decreases, and air needs to be introduced into the liquid bottle 7. Since a ventilation channel is formed in the ventilation nozzle 1, the liquid bottle 7 can be connected with the outside through the ventilation channel, so that the outside air can enter the liquid bottle 7, thereby preventing the liquid bottle 7 from having a negative pressure. When the atomizer is tilted, the liquid in the liquid bottle 7 will enter the ventilation channel, specifically, the conical cavity 15. Since the minimum inner diameter of the conical cavity 15 is less than 1 mm, the liquid forms a capillary force in the conical cavity 15, thereby preventing the liquid from passing through the conical cavity 15, thereby preventing the liquid from passing through the ventilation channel, thereby preventing liquid leakage, and avoiding corrosion to surrounding objects.

[0067] It should be understood that the above-mentioned embodiments are merely illustrative and not restrictive. Without departing from the basic principles of the present invention, various obvious or equivalent modifications or substitutions that can be made by technicians in this field to the above details will be included in the scope of the claims of the present invention.

Claims

1. A ventilation nozzle, used in an atomizing device, characterized in that: It includes a main body, on which a ventilation channel is provided. In the length direction of the main body, the ventilation channel runs through the main body. The ventilation channel includes a liquid-blocking cavity. The liquid-blocking cavity includes at least one conical cavity. In a first direction, the inner diameter of the conical cavity gradually decreases, and the minimum inner diameter of the conical cavity is not greater than 1 mm; wherein the first direction is parallel to the length direction.

2. The ventilation nozzle according to claim 1, characterized in that: The liquid-blocking cavity includes three tapered cavities, and in the first direction, the three tapered cavities are connected in sequence.

3. The ventilation nozzle according to claim 2, characterized in that: The ventilation channel further includes a connecting cavity, the inner diameter of each part of the connecting cavity is consistent, the inner diameter of the connecting cavity is equal to the maximum inner diameter of the tapered cavity, and the direction of the connecting cavity toward the liquid blocking cavity is the first direction.

4. The ventilation nozzle according to claim 3, characterized in that: The body comprises an inserting section and an exposed section which are connected to each other, the liquid blocking cavity is located in the exposed section, and the communicating cavity is located in the inserting section.

5. The ventilation nozzle according to claim 4, characterized in that: The diameter of the plug-in section is smaller than the diameter of the exposed section. A stop ring is further connected to the main body, and the stop ring is located between the plug-in section and the exposed section.

6. The ventilation nozzle according to claim 4, characterized in that: The exposed section includes an equal diameter section and a reduced diameter section connected to each other. In the first direction, the plug-in section, the equal diameter section and the reduced diameter section are connected in sequence, the diameter of the reduced diameter section gradually decreases, and the diameter of the large end of the reduced diameter section is equal to the diameter of the equal diameter section.

7. An atomizing device, characterized in that: The invention comprises a first shell, a lower connecting member, an airway, a limit plate and the ventilation nozzle according to any one of claims 1 to 6, wherein a first cavity with an opening facing downward is formed in the first shell, a liquid outlet nozzle is connected to the top wall of the first shell, a liquid outlet hole is provided in the liquid outlet nozzle and is connected to the first cavity; The lower connecting member includes a connecting plate and a connecting side wall, the connecting side wall is connected to the lower side of the connecting plate, the connecting side wall encloses a second cavity with an opening facing downward, the inner wall of the connecting side wall is provided with a threaded structure for connecting a liquid bottle, the lower connecting member is connected to the lower side of the first shell, the connecting plate closes the downward opening of the first cavity from the lower side, and a through hole is provided on the connecting plate, so that the first cavity and the second cavity are connected through the through hole; The limit plate is arranged in the first cavity, and the limit plate is in a conical structure with a larger top and a smaller bottom. A connecting pipe is arranged at the top of the limit plate, and the connecting pipe is plug-connected with the through hole. The outer edge of the limit plate is sealedly connected with the inner wall of the first cavity. The limit plate divides the first cavity into a first space and a second space, wherein the first space is connected with the liquid outlet hole; The connecting plate is provided with a ventilation hole, the ventilation hole is located outside the limiting plate, so that the second space is connected with the second cavity, and the ventilation nozzle is embedded in the ventilation hole; A ventilation gap is also provided on the side wall of the first shell, and the ventilation gap is connected to the second space; The air channel is located outside the first shell, and has an air port, which faces the liquid outlet.

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