Spraying structure

By designing an integrated spray structure and spray channel, the problems of complex spray structure and poor atomization effect in aroma diffusers have been solved, simplifying manufacturing, improving atomization effect, reducing noise and vibration, and facilitating large-scale production.

CN223747795UActive Publication Date: 2026-01-02QUANZHOU E-LONG ELECTRIC APPLIANCES IND CO LTD
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Patent Information

Application Number
CN202422890157.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-01-02
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Existing diffusers have complex spray structures, are inconvenient to manufacture, and have poor atomization effects.

Method used

Design a spray structure including an integrally molded air inlet and liquid inlet, with the air outlet and liquid outlet arranged at 90°, and a spray channel set around the inner support, the spray channel being connected to the mist outlet, and the structure being injection molded from POM plastic.

Benefits of technology

The simplified spray structure improves atomization, reduces noise and vibration, ensures the fineness of the essential oil mist and the stability of the product, and facilitates large-scale production.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a spray structure, including air pump, essential oil pipe and spray nozzle, the spray nozzle includes the air inlet portion and liquid inlet portion that are integrated, the air inlet portion is provided at the upper end of liquid inlet portion, the bottom of the air inlet portion forms an air outlet hole, the side wall of liquid inlet portion forms a liquid outlet hole, the liquid outlet hole is located right below the air outlet hole, and the liquid outlet hole is located right below the air outlet hole. The center line of the liquid outlet hole is perpendicular to the center line of the air outlet hole. The output end of the air pump is connected with the air inlet part, and the upper end of the essential oil pipe is connected with the liquid inlet part. The essential oil atomizer has the advantages that on one hand, sprayed compressed air can vertically impact essential oil, so that the atomization effect of the essential oil is improved; and on the other hand, the whole spray nozzle is integrally formed and manufactured, the structure is very simple, manufacturing is very convenient, the product structure size is accurate and stable, and large-scale rapid production can be facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fragrance diffuser, especially relates to a spraying structure. BACKGROUND

[0002] In order to improve the environment of life, people often fill the bottle with perfume, and then insert fresh flowers or other cotton heads, so as to diffuse the fragrance in the bottle in the environment, so as to achieve the effect of incense. However, by using this method, the perfume is volatilized freely by its own characteristics, and the perfume is not fully atomized, and the existing technology has developed a fragrance diffuser to improve this situation.

[0003] The fragrance diffuser is also called aromatherapy machine, fragrance machine, fragrance instrument, fragrance adding machine, fragrance diffuser and essential oil fragrance diffuser in the industry. The working principle of the fragrance diffuser is that compressed air is generated and sprayed by the air pump, so that the compressed air high-impact fragrance essential oil, the fragrance essential oil is atomized into small fragrance molecules and sprayed into the air from the spraying channel, and the whole space is filled with fragrance with the diffusion of air.

[0004] The utility model discloses a kind of novel fragrance diffusers of application No. CN202310675086.7, but the gas of air pump needs to extend to first gas cavity in turn along first gap and first air hole when the fragrance diffuser works, then gas is provided to atomizing core to realize atomization by the air inlet on atomizing core;The whole spraying structure is relatively complex, manufacturing is inconvenient, and atomization effect is poor. In view of the above problems, the present invention is produced after the problem is researched in depth. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problems, provides a kind of spraying structure, solves the problems that the spraying structure of existing fragrance diffuser is relatively complex, manufacturing is inconvenient, and atomization effect is poor.

[0006] The utility model is implemented as follows: a kind of spraying structure, including air pump, essential oil pipe and spraying nozzle, the spraying nozzle includes integrated intake and liquid inlet portion, the intake is located at the upper end of liquid inlet portion, the bottom of intake forms air outlet hole, the side wall of liquid inlet portion is formed with liquid outlet hole, the liquid outlet hole is located below air outlet hole, and the center line of liquid outlet hole and the center line of air outlet hole are perpendicular to each other;The output end of air pump is connected with intake, and the upper end of essential oil pipe is connected with liquid inlet portion.

[0007] Further, the inner support and the support lower cover are further included, the lower end of the inner support is sealingly and fitly connected with the support lower cover, and the spray nozzle is arranged in the inner part of the support lower cover; the air pump is installed on the inner support in a manner that the output end faces downward, the top of the inner support is provided with a mist outlet, at least two spray channels are arranged along the vertical direction around the air pump, the lower end of the spray channel is communicated with the inner part of the support lower cover, and the upper end of the spray channel is communicated with the mist outlet.

[0008] Further, the diameter of the air outlet hole is smaller than that of the liquid outlet hole.

[0009] Further, the diameter of the air outlet hole is 0.25 mm, and the diameter of the liquid outlet hole is 0.35 mm.

[0010] Further, the side wall of the liquid inlet part is formed with an extension protrusion, the top of the extension protrusion is formed with a first inclined surface which gradually inclines outward from top to bottom, the bottom of the extension protrusion is formed with a second inclined surface which gradually inclines inward from top to bottom, a vertical plane is formed between the first inclined surface and the second inclined surface, the liquid outlet hole is arranged on the second inclined surface, and the middle part of the air outlet hole is aligned with the vertical plane.

[0011] Further, the air inlet channel is formed in the air inlet part along the vertical direction, and the reduced diameter section communicated with the air outlet hole is formed in the lower part of the air inlet channel.

[0012] Further, the liquid inlet channel is formed in the liquid inlet part, and the upper end of the essential oil pipe is inserted into the liquid inlet channel.

[0013] Further, the bottom of the inner support is provided with a connecting sleeve communicated with the output end of the air pump, and the air inlet part is inserted into the connecting sleeve.

[0014] Further, the inner support is provided with two spray channels along the vertical direction around the air pump.

[0015] Further, the spray nozzle is integrally formed by using POM plastic.

[0016] By adopting the technical scheme of the utility model, at least the following beneficial effects are achieved:

[0017] 1. By designing the spray nozzle to include the integrally formed air inlet part and liquid inlet part, forming the air outlet hole in the bottom of the air inlet part, forming the liquid outlet hole in the side wall of the liquid inlet part, and arranging the air outlet hole and the liquid outlet hole at 90°, on the one hand, the sprayed compressed air can vertically impact the essential oil, thereby improving the atomization effect of the essential oil; on the other hand, the entire spray nozzle is integrally formed, the structure is very simple, the manufacturing is very convenient, the product structure size is accurate and stable, and large-scale rapid production can be facilitated.

[0018] 2. By setting spray channels vertically around the air pump within the inner bracket, and connecting the lower end of the spray channels to the inside of the bracket's lower cover, and connecting the upper end of the spray channels to the mist outlet, the essential oil mist sprayed from the nozzle passes upward through the spray channels before being sprayed out from the mist outlet. This not only effectively attenuates the sharp sound produced by the nozzle and reduces operating noise, but also ensures that large particles of essential oil mist adhere to the inner wall of the spray channels as they pass upward, resulting in a finer essential oil mist sprayed from the top of the product. At the same time, the entire air pump is suspended and inverted on the inner bracket, which effectively reduces vibration generated during operation. [Attached Image Description]

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Figure 1 This is a three-dimensional structural diagram of a spray structure according to the present invention;

[0021] Figure 2 This is a cross-sectional view of a spray structure according to this utility model;

[0022] Figure 3 This is one of the structural diagrams of the spray nozzle in this utility model;

[0023] Figure 4 This is the second structural diagram of the spray nozzle in this utility model;

[0024] Figure 5 This is a cross-sectional view of the spray nozzle in this utility model;

[0025] Figure 6 This is a structural diagram of the internal support in this utility model.

[0026] Explanation of reference numerals in the attached figures:

[0027] Spray structure 100;

[0028] Air pump 1;

[0029] Essential oil tube 2;

[0030] Spray nozzle 3, air inlet 31, air outlet 311, air inlet channel 312, diameter reduction section 3121, liquid inlet 32, liquid outlet 321, extension protrusion 322, first inclined surface 3221, second inclined surface 3222, vertical plane 3223, liquid inlet channel 323.

[0031] Inner support 4, mist outlet 41, spray channel 42, connecting sleeve 43;

[0032] 5. Lower cover of the bracket.

Detailed Implementation Methods

[0033] In order to better understand the technical scheme of the utility model, the technical scheme of the utility model will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0034] It should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features.

[0035] Please refer to Figures 1 to 6 The utility model discloses a spray structure 100, the spray structure 100 includes air pump 1, essential oil pipe 2 and spray nozzle 3, wherein, the air pump 1 is used to provide high pressure compressed air, the essential oil pipe 2 is used to extract essential oil, the spray nozzle 3 is used to make the high-speed impact of the spray compressed air to the spray essential oil realizes atomization effect;

[0036] The spray nozzle 3 includes the air inlet part 31 and the liquid inlet part 32 of one-piece forming, the air inlet part 31 is located at the upper end of liquid inlet part 32, the bottom of air inlet part 31 forms the air outlet hole 311, and the air outlet hole 311 is used for the high-speed spray of compressed air, the sidewall of liquid inlet part 32 forms the liquid outlet hole 321, and the liquid outlet hole 321 is used for the spray of essential oil, the liquid outlet hole 321 is located below the air outlet hole 311, and the center line of the liquid outlet hole 321 and the center line of the air outlet hole 311 are perpendicular to each other, that is, the air outlet hole 311 and the liquid outlet hole 321 are arranged at 90 °, so that the compressed air can be vertically impacted on the essential oil, thereby realizing better atomization effect, the output end of air pump 1 is connected with the air inlet part 31, so as to provide compressed air for the air inlet part 31 by air pump 1, and the upper end of essential oil pipe 2 is connected with the liquid inlet part 32, so as to extract essential oil by essential oil pipe 2 and provide for the liquid inlet part 32. In specific work, the gas generated by the air pump 1 is sprayed out through the air outlet hole 311 of the air inlet part 31, thereby generating strong high-speed airflow, and the spray of high-speed airflow makes the liquid outlet hole 321 generate internal and external air pressure difference, thereby realizing the extraction of essential oil and the spray of essential oil through the liquid outlet hole 321, and the spray of essential oil is mixed with high-speed airflow to realize atomization effect.

[0037] The utility model discloses a spray nozzle 3 includes the integrated air inlet portion 31 and liquid inlet portion 32, and forms the air outlet hole 311 at the bottom of air inlet portion 31, forms the liquid outlet hole 321 at the lateral wall of liquid inlet portion 32, and makes the air outlet hole 311 and liquid outlet hole 321 90 ° arrangement, in this way, on the one hand can make the compressed air that sprays vertically impact essential oil, thereby promoting the atomization effect of essential oil, on the other hand, the whole spray nozzle 3 is integrated molding manufacturing, and the structure is very simple, and manufacturing is very convenient, and product structure size is accurate and stable, can be convenient large -scale quick production.

[0038] In some embodiments of the utility model, the spray structure 100 still includes inner support 4 and support lower cover 5, the lower end of inner support 4 is sealed with support lower cover 5 assembly connection to realize sealing effect, spray nozzle 3 is arranged in the inside of support lower cover 5, gas pump 1 is installed on inner support 4 in the way of output end downward to realize the support of gas pump 1, the top of inner support 4 is provided with mist outlet 41, inner support 4 is provided with at least two spray channels 42 around the periphery of gas pump 1 along the vertical direction, the lower end of spray channel 42 is communicated with the inside of support lower cover 5, the upper end of spray channel 42 is communicated with mist outlet 41, when working, spray nozzle 3 will atomize essential oil in support lower cover 5, and the essential oil mist after atomization will pass through spray channel 42 and be sprayed by mist outlet 41.

[0039] The utility model discloses a spray channel 42 is arranged along the vertical direction around the periphery of gas pump 1 in inner support 4, and the lower end of spray channel 42 is communicated with the inside of support lower cover 5, and the upper end of spray channel 42 is communicated with mist outlet 41, so that the essential oil mist sprayed by spray nozzle 3 will pass through spray channel 42 upward and then be sprayed by mist outlet 41, which not only effectively attenuates the sharp sound generated by spray nozzle 3, but also reduces the working noise, and in the process of passing through spray channel 42 upward, the large-particle essential oil mist will adhere to the inner wall of spray channel 42, so that the essential oil mist sprayed from the top of the product is more delicate.

[0040] As a specific embodiment of the utility model, the inner support 4 is provided with two spray channels 42 around the periphery of gas pump 1 along the vertical direction.

[0041] In some embodiments of the utility model, in order to guarantee that the air outlet hole 311 can spray powerful high-speed airflow to extract essential oil by using air pressure difference, the aperture of the air outlet hole 311 is smaller than the aperture of the liquid outlet hole 321.

[0042] As a specific embodiment of the utility model, the aperture of the air outlet hole 311 is 0.25mm, and the aperture of the liquid outlet hole 321 is 0.35mm.

[0043] In some embodiments of the utility model, in order to make the high-speed airflow that air inlet part 31 exports can better impact essential oil and realize atomization effect, the side wall of liquid inlet part 32 is formed with extension protruding part 322, the top of extension protruding part 322 is formed with first inclined plane 3221 that gradually inclines outward from top to bottom, the bottom of extension protruding part 322 is formed with second inclined plane 3222 that gradually inclines inward from top to bottom, vertical plane 3223 is formed between first inclined plane 3221 and second inclined plane 3222, liquid outlet hole 321 is set on second inclined plane 3222, the middle part of air outlet hole 311 is aligned with vertical plane 3223.

[0044] In some embodiments of the utility model, air inlet channel 312 is formed in air inlet part 31 along the vertical direction, the lower part of air inlet channel 312 is formed with the reduced diameter section 3121 that is communicated with air outlet hole 311, through the design of this reduced diameter section 3121, the output speed of gas can be effectively improved.

[0045] In some embodiments of the utility model, in order to realize the extraction of essential oil and connect essential oil pipe 2 with liquid inlet part 32 conveniently, liquid inlet channel 323 is formed in liquid inlet part 32, and the upper end of essential oil pipe 2 is inserted into liquid inlet channel 323.

[0046] In some embodiments of the utility model, in order to connect air inlet part 31 with the output end of air pump 1 conveniently, the bottom of inner support 4 is provided with connecting sleeve 43 that is communicated with the output end of air pump 1, and air inlet part 31 is inserted into connecting sleeve 43.

[0047] As a specific embodiment of the utility model, the spray nozzle 3 is integrally formed by POM plastic injection molding. By using POM plastic to integrally form the spray nozzle 3 by injection molding, not only the manufacturing is convenient, but also the POM plastic can resist essential oil corrosion, and the service life of the spray nozzle 3 can be improved.

[0048] Although the specific embodiments of the utility model are described above, those skilled in the art should understand that the specific embodiments described are only illustrative, and are not used to limit the scope of the utility model, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the utility model should be covered within the scope of protection of the claims of the utility model.

Claims

1. A spray structure comprising an air pump and an essential oil tube; characterized in that: The spray nozzle comprises an integrated air inlet part and liquid inlet part, the air inlet part is arranged at the upper end of the liquid inlet part, the bottom of the air inlet part forms an air outlet hole, the sidewall of the liquid inlet part forms a liquid outlet hole, the liquid outlet hole is below the air outlet hole, and the center line of the liquid outlet hole is perpendicular to the center line of the air outlet hole; the output end of the air pump is connected with the air inlet part, and the upper end of the essential oil pipe is connected with the liquid inlet part.

2. A spray structure as claimed in claim 1, wherein: The inner support and the support lower cover are further included, the lower end of the inner support is sealingly and assembledly connected with the support lower cover, and the spray nozzle is arranged inside the support lower cover; the air pump is installed on the inner support in a manner that the output end faces downward, the top of the inner support is provided with a mist outlet, at least two spray channels are arranged around the air pump in the vertical direction, the lower end of the spray channel is communicated with the inside of the support lower cover, and the upper end of the spray channel is communicated with the mist outlet.

3. A spray structure as claimed in claim 1, wherein: The diameter of the air outlet hole is smaller than that of the liquid outlet hole.

4. A spray structure as claimed in claim 3, wherein: The diameter of the air outlet hole is 0.25 mm, and the diameter of the liquid outlet hole is 0.35 mm.

5. A spray structure as defined in claim 1, wherein: The sidewall of the liquid inlet part is formed with an extension protrusion, the top of the extension protrusion is formed with a first inclined surface which gradually inclines outward from top to bottom, the bottom of the extension protrusion is formed with a second inclined surface which gradually inclines inward from top to bottom, and a vertical plane is formed between the first inclined surface and the second inclined surface; the liquid outlet hole is arranged on the second inclined surface, and the middle part of the air outlet hole is aligned with the vertical plane.

6. A spray structure as defined in claim 1, wherein: An air inlet channel is formed in the air inlet part in the vertical direction, and the lower part of the air inlet channel is formed with a reduced diameter section which is communicated with the air outlet hole.

7. A spray structure as claimed in claim 1, wherein: A liquid inlet channel is formed in the liquid inlet part, and the upper end of the essential oil pipe is inserted into the liquid inlet channel.

8. A spray structure as claimed in claim 2, wherein: The bottom of the inner support is provided with a connecting sleeve which is communicated with the output end of the air pump, and the air inlet part is inserted into the connecting sleeve.

9. A spray structure as claimed in claim 2, wherein: The inner support is provided with two spray channels around the air pump in the vertical direction.

10. A spray structure as claimed in claim 1, wherein: The spray nozzle is integrally formed by injection molding with POM plastic.

Citation Information

Patent Citations

  • Novel fragrance diffuser

    CN116585516A