CN219896541U - Inverted ultrasonic fragrance-expanding instrument for essential oil bottle - Google Patents

Inverted ultrasonic fragrance-expanding instrument for essential oil bottle Download PDF

Info

Publication number
CN219896541U
CN219896541U CN202320656549.0U CN202320656549U CN219896541U CN 219896541 U CN219896541 U CN 219896541U CN 202320656549 U CN202320656549 U CN 202320656549U CN 219896541 U CN219896541 U CN 219896541U
Authority
CN
China
Prior art keywords
essential oil
atomization
elbow
oil bottle
ultrasonic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320656549.0U
Other languages
Chinese (zh)
Inventor
邹进山
樊波
黄吕湘
郑守勇
付亚枚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Jingxintai Houseware Co ltd
Original Assignee
Shenzhen Jingxintai Houseware Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Jingxintai Houseware Co ltd filed Critical Shenzhen Jingxintai Houseware Co ltd
Priority to CN202320656549.0U priority Critical patent/CN219896541U/en
Application granted granted Critical
Publication of CN219896541U publication Critical patent/CN219896541U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The utility model discloses an inverted type ultrasonic fragrance-expanding instrument for an essential oil bottle, which comprises an atomization elbow, an essential oil bottle and an ultrasonic atomizer; the atomization elbow comprises a vertical assembly part and a horizontal atomization part which are arranged vertically to each other, and the inner cavity of the vertical assembly part is communicated with the inner cavity of the horizontal atomization part to form an essential oil flow channel; the ultrasonic atomizer is positioned at the outlet end of the horizontal atomization part of the atomization elbow; the essential oil bottle can be inversely installed at the vertical assembly portion of the atomization elbow, so that the aromatherapy essential oil in the essential oil bottle can reach the ultrasonic atomizer through the essential oil flow channel. The utility model mainly solves the problem of how to provide a fragrance-expanding instrument with good atomization effect and capable of avoiding the waste of fragrance essential oil; according to the essential oil bottle inverted type ultrasonic fragrance-expanding instrument, the fragrance essential oil flows through gravity, a cotton stick, an oil suction pipe and other parts are not needed, all fragrance essential oil in the essential oil bottle can be effectively atomized, and the waste of the fragrance essential oil is avoided.

Description

Inverted ultrasonic fragrance-expanding instrument for essential oil bottle
Technical Field
The utility model relates to the technical field of aromatherapy atomization and diffusion equipment, in particular to an inverted type ultrasonic fragrance expander for an essential oil bottle.
Background
Not only can fragrance be provided in the environment, but also the fragrance has health functions of tranquilizing, fatigue resistance, mood pleasure and the like; the fragrance-expanding device can be used for atomizing liquid fragrance essence into mist, and the mist fragrance essence can float in the air and gradually spread into the environment, so that the whole environment is full of, and along with the improvement of living standard, places such as houses, offices and shops are increasingly provided with the fragrance-expanding device.
In the prior art, the fragrance-expanding instrument is mainly based on the ultrasonic atomization principle or the Venturi effect.
The Chinese patent publication with publication number of CN215552454U, named as a vehicle-mounted ultrasonic atomization aromatherapy device, discloses a typical aroma diffuser based on the ultrasonic atomization principle, which sucks the spice in the storage bottle 1 to the ultrasonic atomization device 5 through the cotton core 12, and the ultrasonic atomization device 5 can atomize the spice and then spray the spice out of the air outlet 31.
The publication number CN113560062a, entitled "an essential oil atomizing and fragrance-expanding device", discloses a typical venturi effect-based fragrance-expanding device, wherein an air pump 6 generates air flow, the air flow enters the inside of an essential oil atomizing device 3 through an output air flow channel 62, negative pressure is generated at an oil spray hole 32 by the air flow, essential oil is sucked from an essential oil bottle 4 through a conduit 5, an essential oil flow channel 33 and an essential oil atomizing channel 31, the sucked essential oil and the air flow output by the air pump 6 collide at the oil spray hole 32 to form essential oil atomization, and then the atomized essential oil is sequentially diffused into the air through the inside of a nozzle sleeve 2 and a mist outlet 21.
The fragrance-spreading instrument based on the ultrasonic atomization principle is characterized in that a cotton stick is easy to damage or dirty, belongs to a consumable, and needs to be replaced from time to time, so that essential oil left on the cotton stick is wasted when the cotton stick is replaced; the perfume diffusing instrument based on the Venturi effect generally cannot suck all the essential oil in the essential oil bottle, and the essential oil remained in the essential oil bottle is wasted.
In summary, how to provide a fragrance diffusing device with good atomization effect and capable of avoiding the waste of fragrance essential oil is a problem to be solved.
Disclosure of Invention
The utility model aims to provide an inverted ultrasonic fragrance-expanding instrument for an essential oil bottle, which has good atomization effect and effectively avoids the waste of fragrance essential oil.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an inverted type ultrasonic fragrance-expanding instrument for an essential oil bottle comprises an atomization elbow, an essential oil bottle and an ultrasonic atomizer; the atomization elbow comprises a vertical assembly part and a horizontal atomization part which are arranged vertically, and the inner cavity of the vertical assembly part is communicated with the inner cavity of the horizontal atomization part to form an essential oil flow channel; the ultrasonic atomizer is positioned at the outlet end of the horizontal atomization part of the atomization elbow; the essential oil bottle can be inversely installed at the vertical assembly portion of the atomization elbow, so that the aromatherapy essential oil in the essential oil bottle can reach the ultrasonic atomizer through the essential oil flow passage.
In the technical scheme, the inverted type ultrasonic fragrance-enhancing instrument for the essential oil bottle further comprises a connecting flange, wherein the inner wall of the connecting flange is provided with internal threads; the connecting flange is embedded and fixed in the vertical assembly part of the atomization elbow; the essential oil bottle can be connected with the connecting flange through the internal thread.
In the technical scheme, a first sealing ring is arranged between the connecting flange and the vertical assembly part of the atomization elbow; a second sealing ring is arranged between the connecting flange and the bottleneck of the essential oil bottle.
In the technical scheme, the inverted type ultrasonic fragrance-emitting instrument for the essential oil bottle further comprises an outer end cover, wherein a mist outlet channel is formed in the outer end cover; the outer end cover and the atomization elbow are mutually buckled to fix the ultrasonic atomizer at the outlet end of the horizontal atomization part of the atomization elbow body; the fog outlet channel of the outer end cover and the fog outlet of the ultrasonic atomizer are mutually aligned.
In the above technical scheme, a third sealing ring is arranged on the periphery of the ultrasonic atomizer, and the atomization elbow forms a port sealing edge at the outlet end of the horizontal atomization part; the outer edge of the third sealing ring of the ultrasonic atomizer abuts against the inner wall of the port sealing edge of the atomization elbow.
In the technical scheme, the periphery of the outer end cover is pulled up along the axial direction to form an end cover sealing edge; the inner wall of the end cap sealing edge of the outer end cap abuts the outer wall of the port sealing edge of the atomization elbow.
In the above technical scheme, a first communication hole is formed at the bottom of the vertical assembly part of the atomization elbow; the vertical fitting portion and the horizontal atomizing portion of the atomizing elbow are communicated with each other through the first communication hole.
In the technical scheme, the inverted type ultrasonic fragrance-enhancing instrument for the essential oil bottle further comprises an inner end cover, wherein a second communication hole is formed in the inner end cover; the inner end cap is embedded in the outlet end of the horizontal atomizing portion of the atomizing elbow.
In the above technical scheme, a diversion slope for guiding the aromatherapy essential oil to the ultrasonic atomizer is formed in the horizontal atomization part of the atomization elbow.
In the technical scheme, the atomization elbow is provided with an air pressure balance hole communicated with the inside and the outside of the atomization elbow.
Compared with the prior art, the utility model has the beneficial effects that: according to the essential oil bottle inverted type ultrasonic fragrance-expanding instrument, the essential oil bottle can be inversely arranged at the vertical assembly part of the atomization elbow, so that fragrance essential oil in the essential oil bottle can reach the ultrasonic atomizer through the essential oil flow channel, and the atomization effect is good; meanwhile, as the aromatherapy essential oil flows through gravity, components such as a cotton stick or an oil suction pipe are not required, and all the aromatherapy essential oil in the essential oil bottle can be effectively atomized, so that the waste of the aromatherapy essential oil is avoided.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
The reference numerals are: 1. an atomization elbow; 11. a vertical fitting portion; 12. a horizontal atomizing section; 13. an essential oil flow passage; 14. a diversion slope; 15. a first communication hole; 16. an air pressure balance hole; 17. a hook; 18. a port sealing edge; 2. a connecting flange; 21. an internal thread; 22. a first seal ring; 23. a second seal ring; 3. an essential oil bottle; 4. an inner end cap; 41. a second communication hole; 5. an ultrasonic atomizer; 51. a third seal ring; 6. an outer end cap; 61. a mist outlet passage; 62. a claw; 63. and the end cover sealing edge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment provides an essential oil bottle inverted ultrasonic fragrance-expanding instrument which is used for atomizing fragrance essence into mist and diffusing the mist into air.
Referring to fig. 1-3, the inverted ultrasonic fragrance-enhancing device for an essential oil bottle of the present embodiment includes an atomization elbow 1, an essential oil bottle 3, and an ultrasonic atomizer 5.
The atomization bent pipe 1 is an integrally injection molded engineering plastic pipeline and is used for providing an integral structural foundation and a functional foundation for the essential oil bottle inverted ultrasonic fragrance-expanding instrument of the embodiment; the essential oil bottle 3 is a glass bottle with external threads on the bottle mouth and is used for containing aromatherapy essential oil; the ultrasonic atomizer 5 is a microporous ultrasonic atomizer capable of atomizing a liquid such as aromatherapy essential oil into a mist by ultrasonic vibration.
The atomization elbow 1 comprises a vertical assembly part 11 and a horizontal atomization part 12 which are arranged vertically to each other, namely, in normal use, the vertical assembly part 11 is along the vertical direction, the horizontal atomization part 12 is along the horizontal direction, and the vertical assembly part 11 and the horizontal atomization part 12 are integrally injection molded; the inner cavity of the vertical assembly part 11 is communicated with the inner cavity of the horizontal atomization part 12 to form an essential oil flow channel 13; the ultrasonic atomizer 5 is positioned at the outlet end of the horizontal atomizing part 12 of the atomizing elbow pipe 1; the essential oil bottle 3 can be mounted upside down at the vertical fitting portion 11 of the atomizing elbow 1 so that the aromatherapy essential oil in the essential oil bottle 3 can reach the ultrasonic atomizer 5 through the essential oil flow channel 13.
Specifically, the bottom of the vertical fitting portion 11 of the atomizing elbow 1 is provided with a first communication hole 15, and in practice, the bottom of the vertical fitting portion 11 of the atomizing elbow 1 is narrowed, and the narrowed center is provided with the first communication hole 15; the vertical fitting portion 11 and the horizontal atomizing portion 12 of the atomizing elbow 1 communicate with each other through the first communication hole 15, thereby forming the essential oil flow channel 13.
Further, the inverted ultrasonic fragrance-enhancing device for the essential oil bottle of the embodiment further comprises a connecting flange 2, wherein the connecting flange 2 is an engineering plastic tubular workpiece formed by integral injection molding, the inner wall of the connecting flange 2 is provided with an internal thread 21, and the internal thread 21 can be matched with the external thread of the common essential oil bottle 3 sold in the market; the connecting flange 2 is embedded and fixed in the vertical assembly part 11 of the atomization elbow 1, in the embodiment, the connecting flange and the vertical assembly part are in interference fit, and in other embodiments, the connecting flange and the vertical assembly part can be buckled with each other; the essential oil bottle 3 can be connected with the connection flange 2 by means of the internal thread 21 in such a way that connection or disconnection of the essential oil bottle 3 is achieved, so that the essential oil bottle 3 can be connected with the vertical fitting portion 11 of the atomizing elbow 1 and thus communicate with the essential oil flow channel 13 via the first communication hole 15.
Further, a first sealing ring 22 is arranged between the connecting flange 2 and the vertical assembly part 11 of the atomization elbow 1 so as to improve the sealing degree between the connecting flange 2 and the atomization elbow 1; a second sealing ring 23 is arranged between the connecting flange 2 and the bottle mouth of the essential oil bottle 3 so as to improve the sealing degree between the connecting flange 2 and the essential oil bottle 3; in practice, the first seal ring 22 and the second seal ring 23 are both rubber rings or silicone rings.
Further, the inverted ultrasonic fragrance-enhancing device for the essential oil bottle of the embodiment further comprises an outer end cover 6, wherein the outer end cover 6 is an integrally injection molded engineering plastic cover plate, a mist outlet channel 61 is formed on the outer end cover 6, and the mist outlet channel 61 is a tubular channel integrally injection molded on the outer end cover 6; the outer end cover 6 and the atomization elbow 1 are buckled with each other (a claw 62 is formed on the outer end cover 6, a clamping hook 17 is formed on the atomization elbow 1, the claw 62 is matched with the clamping hook 17) so as to fix the ultrasonic atomizer 5 at the outlet end of the horizontal atomization part 12 of the atomization elbow 1 body, in fact, one side of the ultrasonic atomizer 5 is propped against the end face of the horizontal atomization part 12 of the atomization elbow 1 body, the inner side face of the outer end cover 6 at the other side of the ultrasonic atomizer 5 clamps the ultrasonic atomizer 5 at the outlet end of the horizontal atomization part 12 through the matching of the atomization elbow 1 body and the outer end cover 6; the mist outlet channel 61 of the outer end cover 6 is mutually aligned with the mist outlet of the ultrasonic atomizer 5, so that the ultrasonic atomizer 5 can emit mist through the mist outlet channel 61 of the outer end cover 6.
Further, the outer periphery of the ultrasonic atomizer 5 is provided with a third sealing ring 51, the third sealing ring 51 is integrally fixed with the ultrasonic atomizer 5, the atomization elbow 1 forms a port sealing edge 18 at the outlet end of the horizontal atomization part 12, and the port sealing edge 18 is a circle of annular ribs on the surface of the atomization elbow 1; the outer edge of the third sealing ring 51 of the ultrasonic atomizer 5 abuts against the inner wall of the port sealing edge 18 of the atomization elbow 1, so that the sealing degree between the ultrasonic atomizer 5 and the atomization elbow 1 is improved.
Further, the outer periphery of the outer cap 6 is pulled up in the axial direction to form a cap seal edge 63, and in practice, the cap seal edge 63 is an annular rib encircling the outer periphery of the outer cap 6; the inner wall of the end cover sealing edge 63 of the outer end cover 6 abuts against the outer wall of the port sealing edge 18 of the atomization elbow 1 to improve the sealing degree among the outer end cover 6, the ultrasonic atomizer 5 and the atomization elbow 1.
Further, the inverted ultrasonic fragrance-enhancing device for the essential oil bottle of the embodiment further comprises an inner end cover 4, wherein the inner end cover 4 is an integrally injection molded engineering plastic cover plate, a second communication hole 41 is formed in the inner end cover 4, and the second communication hole 41 is a small hole formed in the center of the inner end cover 4; the inner end cap 4 is embedded in the outlet end of the horizontal atomizing part 12 of the atomizing elbow 1, and in this embodiment, the inner end cap 4 is buckled in the horizontal atomizing part 12 of the atomizing elbow 1.
Further, a guiding slope 14 for guiding the aromatherapy essential oil to the ultrasonic atomizer 5 is formed in the horizontal atomizing part 12 of the atomizing elbow 1, i.e. the bottom surface of the horizontal atomizing part 12 is a downward slope leading to the ultrasonic atomizer 5.
Further, the atomization elbow 1 is provided with an air pressure balance hole 16 for communicating the inside and the outside, and in this embodiment, the air pressure balance hole 16 is provided at the junction of the vertical assembly portion 11 and the horizontal atomization portion 12.
When the essential oil bottle 3 is installed, the essential oil bottle 3 is arranged in the upside-down mode, the atomization bent pipe 1 is inverted, then the essential oil bottle 3 is screwed on the connecting flange 2, and then the atomization bent pipe 1 is arranged in the upside-down mode, and at the moment, the essential oil bottle 3 is inverted; the aromatherapy essential oil in the essential oil bottle 3 sequentially passes through the connecting flange 2, the vertical assembly part 11 of the atomization elbow 1 and the first communication hole 15 and enters the horizontal atomization part 12, flows to the inner end cover 4 under the guidance of the diversion slope 14 until reaching the ultrasonic atomizer 5 through the second communication hole 41 of the inner end cover 4; because the ultrasonic atomizer 5 is a microporous ultrasonic atomizer, when the ultrasonic atomizer 5 does not operate, the aromatherapy essential oil cannot pass through micropores of the ultrasonic atomizer 5 due to surface tension, and when the ultrasonic atomizer 5 operates, the aromatherapy essential oil can be atomized and diffused into the air through the mist outlet channel 61 of the outer end cover 6.
According to the essential oil bottle inverted type ultrasonic fragrance expanding instrument, the essential oil bottle 3 can be inversely arranged at the vertical assembly part 11 of the atomization elbow 1, so that the aromatherapy essential oil in the essential oil bottle 3 can reach the ultrasonic atomizer 5 through the essential oil flow channel 13, and the atomization effect is good; meanwhile, as the aromatherapy essential oil flows through gravity, components such as a cotton stick or an oil suction pipe are not required, and all the aromatherapy essential oil in the essential oil bottle 3 can be effectively atomized, so that the waste of the aromatherapy essential oil is avoided.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An inverted type ultrasonic fragrance-spreading instrument for an essential oil bottle is characterized by comprising an atomization elbow, the essential oil bottle and an ultrasonic atomizer;
the atomization elbow comprises a vertical assembly part and a horizontal atomization part which are arranged vertically, and the inner cavity of the vertical assembly part is communicated with the inner cavity of the horizontal atomization part to form an essential oil flow channel;
the ultrasonic atomizer is positioned at the outlet end of the horizontal atomization part of the atomization elbow;
the essential oil bottle can be inversely installed at the vertical assembly portion of the atomization elbow, so that the aromatherapy essential oil in the essential oil bottle can reach the ultrasonic atomizer through the essential oil flow passage.
2. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: the connecting flange is provided with internal threads on the inner wall;
the connecting flange is embedded and fixed in the vertical assembly part of the atomization elbow;
the essential oil bottle can be connected with the connecting flange through the internal thread.
3. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 2, wherein: a first sealing ring is arranged between the connecting flange and the vertical assembly part of the atomization elbow;
a second sealing ring is arranged between the connecting flange and the bottleneck of the essential oil bottle.
4. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: the device also comprises an outer end cover, wherein a fog outlet channel is formed on the outer end cover;
the outer end cover and the atomization elbow are mutually buckled to fix the ultrasonic atomizer at the outlet end of the horizontal atomization part of the atomization elbow body;
the fog outlet channel of the outer end cover and the fog outlet of the ultrasonic atomizer are mutually aligned.
5. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 4, wherein: the periphery of the ultrasonic atomizer is provided with a third sealing ring, and the atomization elbow forms a port sealing edge at the outlet end of the horizontal atomization part;
the outer edge of the third sealing ring of the ultrasonic atomizer abuts against the inner wall of the port sealing edge of the atomization elbow.
6. The essential oil bottle inversion type ultrasonic fragrance diffusing apparatus according to claim 5, wherein: the periphery of the outer end cover is pulled up along the axial direction to form an end cover sealing edge;
the inner wall of the end cap sealing edge of the outer end cap abuts the outer wall of the port sealing edge of the atomization elbow.
7. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: the bottom of the vertical assembly part of the atomization elbow is provided with a first communication hole;
the vertical fitting portion and the horizontal atomizing portion of the atomizing elbow are communicated with each other through the first communication hole.
8. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: the inner end cover is provided with a second communication hole;
the inner end cap is embedded in the outlet end of the horizontal atomizing portion of the atomizing elbow.
9. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: and a diversion slope for guiding the aromatherapy essential oil to the ultrasonic atomizer is formed in the horizontal atomization part of the atomization elbow.
10. The essential oil bottle inverted ultrasonic fragrance diffuser according to claim 1, wherein: the atomization elbow is provided with an air pressure balance hole communicated with the inside and the outside of the atomization elbow.
CN202320656549.0U 2023-03-29 2023-03-29 Inverted ultrasonic fragrance-expanding instrument for essential oil bottle Active CN219896541U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320656549.0U CN219896541U (en) 2023-03-29 2023-03-29 Inverted ultrasonic fragrance-expanding instrument for essential oil bottle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320656549.0U CN219896541U (en) 2023-03-29 2023-03-29 Inverted ultrasonic fragrance-expanding instrument for essential oil bottle

Publications (1)

Publication Number Publication Date
CN219896541U true CN219896541U (en) 2023-10-27

Family

ID=88468087

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320656549.0U Active CN219896541U (en) 2023-03-29 2023-03-29 Inverted ultrasonic fragrance-expanding instrument for essential oil bottle

Country Status (1)

Country Link
CN (1) CN219896541U (en)

Similar Documents

Publication Publication Date Title
CN111011933A (en) Electronic atomization device and atomizer thereof
CN212590244U (en) Electronic atomization device and atomizer thereof
CN219896541U (en) Inverted ultrasonic fragrance-expanding instrument for essential oil bottle
CN111011930A (en) Electronic atomization device and atomizer thereof
CN208864877U (en) Use the fragrant atmosphere spraying device of fragrant atmosphere bottle
WO2022165848A1 (en) Atomization device and aroma diffuser
CN215684877U (en) Atomizer easy to inject liquid
CN204776787U (en) Expand fragrant appearance and atomizer thereof
CN220158841U (en) Inverted ultrasonic fragrance-expanding instrument for essential oil bottle
CN211932564U (en) Electronic atomization device and atomizer thereof
CN220276008U (en) Atomizing assembly and fragrance-expanding instrument using same
CN210425399U (en) Upper water-adding type air humidifier
CN212679683U (en) Fragrance diffusing instrument
CN214691108U (en) Atomizing device and fragrance expanding instrument
CN109317325A (en) A kind of suction type essential oil atomisation device
CN211746972U (en) Electronic atomization device and atomizer thereof
CN208525490U (en) A kind of perfume atmosphere spraying device
CN215964250U (en) Atomizing device and expand fragrant ware
CN218075832U (en) Fragrance expanding machine
CN219896540U (en) Aromatherapy atomization component and atomization mechanism of aromatherapy machine
CN220780827U (en) Atomizing mechanism and fragrance-expanding instrument using same
CN220803863U (en) Atomizer
CN111011929A (en) Electronic atomization device and atomizer thereof
CN219022448U (en) Fragrance machine
CN208574047U (en) A kind of essential oil atomisation spray head and a kind of scent diffusion equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant