Small and exquisite vehicle-mounted aromatherapy machine with essential oil convenient to replace

Abstract

The utility model discloses a small vehicle-mounted aromatherapy machine convenient for replacing essential oil. The vehicle-mounted aromatherapy machine comprises a shell, an atomizing head, an essential oil bottle, a control panel, a micro air pump and an air pipe, the shell comprises a main shell and a rear cover, a partition wall is arranged in the main shell and divides the interior of the main shell into a first cavity position and a second cavity position, a first opening is formed in the upper end, corresponding to the main shell, of the first cavity position, a second opening is formed in the rear side wall, corresponding to the main shell, of the second cavity position, and the rear cover covers the second opening; the back of the rear cover is provided with a clamping groove position used for being connected with a vehicle-mounted connector device in a clamping mode. A through hole is formed in the upper end of the partition wall, the miniature air pump is connected with the lower end of the air pipe, the upper end of the air pipe is connected to the through hole, and the miniature air pump is connected with the control panel which is connected with a power supply unit. The atomizing head is in threaded connection with the essential oil bottle, the atomizing head is provided with a liquid channel and a gas channel, the gas channel is communicated with the gas pipe when the atomizing head is inserted into the first opening, and the essential oil bottle can be conveniently and rapidly replaced through insertion connection.

Description

Technical Field

[0001] This disclosure relates to the field of aroma diffuser technology, and more particularly to a compact and easy-to-change car aroma diffuser. Background Technology

[0002] With rising economic levels, more and more people are purchasing cars as their means of transportation. The interior space of a car is limited and relatively enclosed, and air conditioning is typically used. However, after prolonged use, air conditioning can produce unpleasant odors, leading to clogged pores inside the car. To address this, car air fresheners have emerged. These diffusers are filled with perfumes or essential oils that have antibacterial, deodorizing, and air-freshening properties, thus improving the air quality inside the car. However, existing car air fresheners are usually placed on the center console, which is not compact enough and their placement within the car is not flexible. Furthermore, changing the essential oil usually requires opening the casing to remove the bottle, which is inconvenient and time-consuming. Based on these issues, there is still room for improvement in existing car air fresheners. Utility Model Content

[0003] In view of this, the present disclosure proposes a compact and convenient car aroma diffuser with easy-to-change essential oils. Its compact design allows it to be flexibly placed in the car, and the essential oil bottle and atomizing head are connected to the main housing by a plug-in connection. The essential oil bottle can be removed by simply lifting the nozzle assembly upwards, making it convenient and quick to change the essential oils.

[0004] According to one aspect of this disclosure, a compact and convenient car aroma diffuser with replaceable essential oils is provided, comprising a housing, an atomizing head, an essential oil bottle, a control board, a miniature air pump, and an air tube. The housing comprises a main housing and a rear cover. The main housing has an internal partition wall dividing its interior into a first chamber and a second chamber. The first chamber has a first opening at its upper end, and the second chamber has a second opening at its rear side wall. The rear cover is positioned over the second opening. The back of the rear cover has a slot for engaging a car connector. A through hole is located at the upper end of the partition wall. The miniature air pump is connected to the lower end of the air tube, and the upper end of the air tube is connected to the through hole. The miniature air pump is connected to the control board, which is connected to a power supply unit. The atomizing head is threadedly connected to the essential oil bottle. The atomizing head has a liquid channel and a gas channel. The liquid channel connects to the inside of the essential oil bottle, and the gas channel connects to the air tube when the atomizing head is inserted into the first opening.

[0005] Furthermore, the atomizing head includes an atomizing head body, an atomizing core, and a mist outlet cover. The lower end of the atomizing head body is an internally threaded connection port. The atomizing head body above the internally threaded connection port is provided with a liquid channel and a gas channel. The output ends of the liquid channel and the gas channel are upwardly protruding output ends. The atomizing core is sleeved on the upwardly protruding output ends. An oil-guiding cotton rod is inserted into the liquid channel. The atomizing core is provided with lateral microholes and upward microholes. The opening of the lateral microhole is above and to the side of the upward microhole. The lateral microhole is connected to the liquid channel, and the upward microhole is connected to the gas channel. The mist outlet cover is provided with a mist outlet hole and is placed on the upper end of the atomizing head body.

[0006] Preferably, an atomizing baffle is embedded at the upper end of the atomizing head body, the atomizing baffle has a mist outlet, the mist outlet cover is placed on top of the atomizing baffle, a sealing gasket is provided between the bottom edge of the mist outlet cover and the atomizing baffle, the mist outlet cover is fixedly connected to the atomizing head body, and a mist outlet gap is maintained between the top of the atomizing baffle and the bottom of the mist outlet cover; the atomizing baffle has a groove corresponding to the position of the mist outlet, and a steel ball is provided in the groove. When the mist outlet cover is facing down, the steel ball blocks the mist outlet.

[0007] Furthermore, the bottom edge of the mist outlet cover is provided with an internally threaded connecting post, and the atomizing head body is provided with a screw connection hole for inserting a screw from the bottom. The internally threaded connecting post mates with the screw connection hole and is fixed by screws. The edge of the atomizing baffle is provided with a clearance for the internally threaded connecting post.

[0008] Furthermore, the power supply unit is a power interface located on the control board. The power interface can be any one of a DC interface, Micro USB, or Type-C interface. Power cords and adapters are connected to an external power source through the power interface.

[0009] Furthermore, the power supply unit is a rechargeable battery, which is connected to the control board. The control board is equipped with a charging interface, which can be any one of a DC interface, Micro USB, or Type-C interface.

[0010] Preferably, the upper end of the air pipe is connected to an L-shaped elbow air pipe connector. The front end of the L-shaped elbow air pipe connector is a silicone tube opening with an annular groove. The inner wall of the through hole of the partition wall is provided with an annular protrusion. The annular protrusion is tightly connected to the annular groove of the L-shaped elbow air pipe connector. When the atomizing head is inserted into the first opening, the outer wall of the atomizing head corresponding to the gas channel tightly abuts against the front end of the silicone tube opening, achieving a sealed connection without leakage.

[0011] Preferably, the slot is a rectangular groove, with opposing inwardly protruding buckle positions on both sides of the upper end of the rectangular groove, and a sloping insertion position at the lower end of the rectangular groove.

[0012] Compared to existing aromatherapy diffusers, the car diffuser disclosed in this solution offers the following advantages: Utilizing a micro-air pump design and the principle of two-fluid atomization to atomize essential oils, this compact diffuser features a connecting back cover on the main housing. The back cover has slots for attaching car-mounted connectors, allowing for connection to a bracket with a car air conditioning vent connector, a magnetically attracted metal plate for connection to a magnetic car mount, or a metal or plastic piece with double-sided adhesive for connection to an adhesive car mount. This allows for flexible placement within the car. Furthermore, the atomizing head is designed with a plug-in connection to the main housing. Simply removing the atomizing head from the main housing allows for easy removal and replacement of the essential oil bottle. When the atomizing head is inserted into the first opening of the main housing, its gas passage connects to the micro-air pump's air tube. This facilitates quick and easy essential oil replacement, meeting consumers' needs for switching between different scents and enhancing the user experience. Attached Figure Description

[0013] Figure 1 This is an exploded view of the overall structure of an embodiment of the present invention.

[0014] Figure 2 This is a three-dimensional front view of the overall structure of an embodiment of the present utility model.

[0015] Figure 3 This is a three-dimensional view of the rear side of the overall structure of an embodiment of this utility model.

[0016] Figure 4 This is a cross-sectional view of the structure of an embodiment of the present utility model.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Main housing; 101. First cavity; 102. Partition wall; 103. Through hole; 1031. Annular flange; 2. Rear cover; 201. Slot; 3. Control board; 4. Miniature air pump; 5. Air pipe; 51. L-shaped elbow air pipe connector; 511. Annular groove; 6. Atomizing head; 61. Atomizing head body; 611. Liquid channel; 612. Gas channel; 613. Screw connection hole; 62. Atomizing core; 621. Lateral micro-hole; 622. Upward micro-hole; 63. Atomizing baffle; 631. Mist outlet; 632. Groove; 64. Sealing gasket; 65. Steel ball; 66. Mist outlet cover; 661. Mist outlet hole; 662. Internal threaded connecting post; 7. Essential oil bottle. Detailed Implementation

[0019] The technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this disclosure.

[0020] Please refer to Figures 1 to 4 This is a specific embodiment of a compact and convenient car aroma diffuser with replaceable essential oils disclosed in this solution. It includes a housing, atomizing head 6, an essential oil bottle 7, a control board 3, a miniature air pump 4, and an air tube 5. The housing includes a main housing 1 and a rear cover 2. The main housing 1 has an internal partition wall 102 that divides the interior of the main housing 1 into a first cavity 101 and a second cavity. The first cavity 101 has a first opening at the upper end of the main housing 1, and the second cavity has a second opening at the rear side wall of the main housing 1. The rear cover 2 covers the second opening. The back of the rear cover 2 has a design for attaching to a car accessory. The connector device has a slot 201; the upper end of the partition wall 102 is provided with a through hole 103, the micro air pump 4 is connected to the lower end of the air pipe 5, the upper end of the air pipe 5 is connected to the through hole 103, the micro air pump 4 is connected to the control board 3, and the control board 3 is connected to a power supply unit; the atomizing head 6 is connected to the essential oil bottle 7 by a thread, the atomizing head 6 is provided with a liquid channel 611 and a gas channel 612, the liquid channel 611 is connected to the inside of the essential oil bottle 7, and the gas channel 612 is connected to the air pipe 5 when the atomizing head 6 is inserted into the first opening.

[0021] Please refer to Figure 1 , Figure 4 As a specific structure of the atomizing head 6 in this embodiment, the atomizing head 6 includes an atomizing head body 61, an atomizing core 62, and a mist outlet cover 66. The lower end of the atomizing head body 61 is an internally threaded connection port. The atomizing head body 61 above the internally threaded connection port is provided with a liquid channel 611 and a gas channel 612. The output ends of the liquid channel 611 and the gas channel 612 are upwardly protruding output ends. The atomizing core 62 is sleeved on the upwardly protruding output ends. An oil-guiding cotton rod is inserted into the liquid channel 611. The atomizing core 62 is provided with a lateral microhole 621 and an upward microhole 622. The opening of the lateral microhole 621 is above and to the side of the upward microhole 622. The lateral microhole 621 is connected to the liquid channel 611, and the upward microhole 622 is connected to the gas channel 612. The mist outlet cover 66 is provided with a mist outlet hole 661 and is placed on the upper end of the atomizing head body 61.

[0022] Please refer to Figure 1 , Figure 4In a further optimized embodiment, an atomizing baffle 63 is embedded at the upper end of the atomizing head body 61. The atomizing baffle 63 has a mist outlet 631. A mist outlet cover 66 covers the atomizing baffle 63. A sealing gasket 64 is provided between the bottom edge of the mist outlet cover 66 and the atomizing baffle 63. The mist outlet cover 66 is fixedly connected to the atomizing head body 61. A mist outlet gap is maintained between the top of the atomizing baffle 63 and the bottom of the mist outlet cover 66. A groove 632 is provided on the atomizing baffle 63 at the position corresponding to the mist outlet 661. A steel ball 65 is provided in the groove 632. When the mist outlet cover 66 is facing down, the steel ball 65 blocks the mist outlet 661. Specifically, one of the specific solutions for the fixed connection between the mist outlet cover 66 and the atomizing head body 61 is as follows: the bottom edge of the mist outlet cover 66 is provided with an internally threaded connecting post 662, and the atomizing head body 61 is provided with a corresponding screw connection hole 613 for inserting a screw from the bottom. The internally threaded connecting post 662 mates with the screw connection hole 613 and is fixed by screws. The edge of the atomizing baffle 63 is provided with a clearance position for the internally threaded connecting post 662.

[0023] Furthermore, the power supply unit is a power interface located on the control board 3. The power interface can be any one of DC interface, Micro USB, or Type-C interface. Power cords and adapters are connected to external power sources through the power interface.

[0024] Furthermore, the power supply unit is a rechargeable battery, which is connected to the control board 3. The control board 3 is provided with a charging interface, which can be any one of a DC interface, Micro USB, or Type-C interface.

[0025] Please refer to Figure 1 , Figure 4 Preferably, the upper end of the air pipe 5 is connected to an L-shaped elbow air pipe connector 51. The front end of the L-shaped elbow air pipe connector 51 is a silicone tube opening with an annular groove 511. The inner wall of the through hole 103 of the partition wall 102 is provided with an annular protrusion 1031. The annular protrusion 1031 is tightly connected to the annular groove 511 of the L-shaped elbow air pipe connector 51. When the atomizing head 6 is inserted into the first opening, the outer wall of the atomizing head 6 corresponding to the gas channel 612 tightly abuts against the front end of the silicone tube opening, achieving a sealed connection without leakage.

[0026] Preferably, the slot 201 is a rectangular groove with opposing inward-protruding buckle positions on both sides of the upper end of the rectangular groove. The lower end of the rectangular groove is provided with a sloping insertion position. The sloping insertion position facilitates the insertion or sliding out of the connecting plate of the connecting bracket with the vehicle air conditioning vent connector, the insertion or sliding out of magnetically attracted metal pieces, and the insertion or sliding out of metal or plastic pieces with double-sided adhesive.

[0027] The car aroma diffuser disclosed in this embodiment operates as follows: the atomizing core 62 guides the essential oil from the essential oil bottle 7 to the atomizing core 62 via an oil-guiding cotton swab. A micro air pump 4 then propels air at high speed out through the upward micro-hole 622, creating a low-pressure area in a localized region of the upward micro-hole 622. This creates a Bernoulli effect, and the pressure difference continuously ejects essential oil through the lateral micro-hole 621. The high-speed airflow impacts the essential oil, atomizing it, and the atomized oil is output from the mist outlet 661. The circuit principle of the control board driving the micro air pump 4 in this car aroma diffuser is a readily available and mature control board circuit, which will not be elaborated upon here.

[0028] The various embodiments of this disclosure have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A compact and convenient car aroma diffuser with replaceable essential oils, comprising a housing, atomizing head, an essential oil bottle, a control board, a miniature air pump, and an air tube, characterized in that, The housing includes a main housing and a rear cover. The main housing has an internal partition wall that divides the interior of the main housing into a first cavity and a second cavity. The first cavity has a first opening at the upper end of the main housing, and the second cavity has a second opening at the rear side wall of the main housing. The rear cover is placed over the second opening. The back of the rear cover has a slot for engaging a vehicle connector. The upper end of the partition wall has a through hole. The micro air pump is connected to the lower end of an air tube, and the upper end of the air tube is connected to the through hole. The micro air pump is connected to a control board, and the control board is connected to a power supply unit. The atomizing head is threadedly connected to an essential oil bottle. The atomizing head has a liquid channel and a gas channel. The liquid channel is connected to the inside of the essential oil bottle, and the gas channel is connected to the air tube when the atomizing head is inserted into the first opening.

2. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 1, characterized in that, The atomizing head includes an atomizing head body, an atomizing core, and a mist outlet cover. The lower end of the atomizing head body has an internally threaded connection port. Above the internally threaded connection port, the atomizing head body is provided with a liquid channel and a gas channel. The output ends of the liquid channel and the gas channel are upwardly protruding output ends. The atomizing core is sleeved on the upwardly protruding output ends. An oil-guiding cotton rod is inserted into the liquid channel. The atomizing core has lateral micro-holes and upward micro-holes. The opening of the lateral micro-hole is above and to the side of the upward micro-hole. The lateral micro-hole is connected to the liquid channel, and the upward micro-hole is connected to the gas channel. The mist outlet cover has a mist outlet hole and is placed on the upper end of the atomizing head body.

3. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 2, characterized in that, An atomizing baffle is embedded at the upper end of the atomizing head body. The atomizing baffle has a mist outlet. A mist outlet cover is placed on top of the atomizing baffle. A sealing gasket is provided between the bottom edge of the mist outlet cover and the atomizing baffle. The mist outlet cover is fixedly connected to the atomizing head body. A mist outlet gap is maintained between the top of the atomizing baffle and the bottom of the mist outlet cover. A groove is provided on the atomizing baffle corresponding to the position of the mist outlet. A steel ball is placed in the groove. When the mist outlet cover is facing down, the steel ball blocks the mist outlet.

4. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 3, characterized in that, The bottom edge of the mist outlet cover is provided with an internally threaded connecting post, and the atomizing head body is provided with a screw connection hole for inserting a screw from the bottom. The internally threaded connecting post mates with the screw connection hole and is fixed by screws. The edge of the atomizing baffle is provided with a clearance for the internally threaded connecting post.

5. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 1, characterized in that, The power supply unit is a power interface located on the control board. The power interface can be any one of DC interface, Micro USB, or Type-C interface. Power cords and adapters are connected to the external power source through the power interface.

6. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 1, characterized in that, The power supply unit is a rechargeable battery, which is connected to the control board. The control board is equipped with a charging interface, which can be any one of a DC interface, Micro USB, or Type-C interface.

7. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 1, characterized in that, The upper end of the air pipe is connected to an L-shaped elbow air pipe connector. The front end of the L-shaped elbow air pipe connector is a silicone tube opening with an annular groove. The inner wall of the through hole of the partition wall is provided with an annular protrusion. The annular protrusion is tightly connected to the annular groove of the L-shaped elbow air pipe connector. When the atomizing head is inserted into the first opening, the outer wall of the atomizing head corresponding to the gas channel tightly abuts against the front end of the silicone tube opening, achieving a sealed connection without air leakage.

8. The compact and convenient car aroma diffuser with replaceable essential oils according to claim 1, characterized in that, The slot is a rectangular groove with opposing inward-protruding buckle positions on both sides of the upper end of the rectangular groove, and a sloping insertion position at the lower end of the rectangular groove.

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