Leakage-proof aroma device

The leak-proof fragrance device addresses leakage issues by incorporating a surrounding bone for tight contact with the cotton sheet, enhancing absorption and preventing liquid loss, while maintaining stable volatilization and assembly integrity.

JP3256482UActive Publication Date: 2026-07-07GUANGDONG CAR HOUSE INDUSTRIAL DEVELOPMENT HOLDINGS CO LTD

Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Utility models
Current Assignee / Owner
GUANGDONG CAR HOUSE INDUSTRIAL DEVELOPMENT HOLDINGS CO LTD
Filing Date
2026-04-29
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Conventional fragrance devices suffer from leakage issues due to gaps between the internal plug and cotton sheet, leading to waste and contamination when inverted or tilted.

Method used

A leak-proof fragrance device design featuring a surrounding bone that ensures tight contact with the cotton sheet, combined with a pulp sheet and internal stopper, to prevent liquid leakage by enhancing capillary suction and absorption.

Benefits of technology

The design effectively blocks liquid leakage, maintains stable volatilization concentration, and ensures rapid assembly and stability during transportation, reducing failure rates and waste.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a leak-proof fragrance device that significantly improves the problem of leakage. [Solution] The leak-proof fragrance device of this invention includes a blow bottle 1, a diffusion unit, and a positioning assembly unit, the outer wall of the mouth of the blow bottle being sealed and connected to the positioning assembly unit. The diffusion unit consists of an internal stopper 4, a cotton core 5, and a pulp sheet 6, and the positioning assembly unit includes a lower case 2 and a base 3. The lower case is screw-connected to the upper end of the base, and the blow bottle is screw-connected to the upper end of the lower case. A position limiting groove is provided at the upper end of the base, and a pulp sheet is fitted into the position limiting groove, with the internal stopper fitted above the pulp sheet at the upper end of the base. A cotton core is fitted at the center of the inside of the internal stopper, and a surrounding frame 7 is fixed to the outer edge of the lower end of the internal stopper. In this invention, by adding a surrounding frame to the internal stopper, the surrounding frame is brought into contact with the pulp sheet.
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Description

Technical Field

[0001] The present invention relates to the field of fragrance devices, and particularly discloses a leak-proof fragrance device.

Background Art

[0002] Fragrance devices are widely used for air purification and mood adjustment in places such as indoors and in vehicles. Currently, Commercially available small chemical liquid volatilization devices (such as in-vehicle fragrance devices and indoor deodorant volatilization devices) generally have a structural design that combines a single absorber and a liquid storage bottle. Their operating principle is that the absorber adsorbs the chemical liquid in the liquid storage bottle through capillary action of the absorber, and it is often volatilized into the air from the surface of the absorber. However, conventional fragrance devices have an obvious drawback of leakage during use and transportation. Currently, existing fragrance devices have a gap between the internal plug and the cotton sheet when inverted or tilted, and are not sealed, so when the fragrance device is inverted, the internal liquid leaks out through the gap. This not only causes waste of the fragrance liquid, but also may contaminate clothes, bags, vehicle interior equipment, etc. Therefore, in order to solve the problems in the above prior art, the present application provides a leak-proof fragrance device.

Summary of the Invention

[0003] The object of the present invention is proposed to eliminate the drawbacks existing in the prior art. By adding a surrounding bone to the internal plug and making the surrounding bone contact the cotton sheet, it is to provide a leak-proof fragrance device in which the problem of easy leakage is significantly improved. To achieve the above object, the present invention provides the following technical solutions. A leak-proof fragrance device, comprising a blow bottle, a volatilization unit and a positioning and assembly unit, where the outer wall of the bottle mouth of the blow bottle is hermetically connected to the positioning and assembly unit. ​​The volatilization unit consists of an internal stopper, a cotton core, and a pulp sheet, and the positioning assembly unit The lower case includes a lower case and a base plate. The lower case is screw-connected to the upper end of the base plate, and the blow bottle It is screw-connected to the upper end of the lower case. A position limiting groove is provided at the upper end of the base, and the position limiting groove A pulp sheet is fitted inside. An internal plug is fitted above the pulp sheet at the upper end of the base. The inner stopper is fitted, and a cotton core is fitted into the center position inside the inner stopper, and the outer edge of the lower end of the inner stopper The surrounding frame is fixed in place. Furthermore, a screw cap is screw-connected to the opening at the lower end of the blow-molded bottle. Furthermore, the outer wall of the lower case is provided with multiple ventilation holes, and an internal frame is fitted inside the lower case. It's embedded. Furthermore, the internal plug has a hollow structure, and the lower end surface of the internal plug is also open, and the lower surface of the surrounding frame It adheres tightly to the top surface of the pulp sheet. Furthermore, the cotton core is fixed to the internal stopper and acts as a tight fit, and is positioned at the upper end of the pulp sheet. It is placed. Furthermore, an annular groove is provided on the upper end surface of the internal plug, and a leak opening is provided on one side of the inner wall of the annular groove. Therefore, the outer wall on one side of the cotton core is positioned at one side of the leak opening. [Effects of the Invention]

[0004] The leak-proof type fragrance device of this invention has the following advantages. 1. Add a surrounding frame to the outermost circumference of the internal plug to ensure tight contact with the pulp sheet. By doing so, the surrounding bone effectively blocks the liquid that leaks out when the device is inverted or tilted, The liquid is absorbed by the Lubesheet, preventing external leakage and fundamentally eliminating the risk of leakage. The bone structure increases the contact area between the cotton core and the internal stopper, and combined with the liquid-retaining action of the pulp sheet, it promotes capillary suction. This significantly improves liquid efficiency and chemical impregnation, ensures stable volatilization concentration, and sustains the desired volatilization effect. maintained. 2. By snap-connecting the lower case and the blow bottle, and snap-connecting the base and the lower case, rapid and precise assembly of each component is achieved. During the transportation process, the components do not shift or fall off, reducing the failure rate. The overall structure is compact, and it can accommodate multiple blow bottle specifications without changing the external shape of the existing device, is easy to mass-produce and has low modification costs.

Brief Description of the Drawings

[0005] [Figure 1] Axonometric structural schematic diagram of the present invention [Figure 2] Side cross-sectional structural schematic diagram of the present invention

[0006] Explanation of symbols 1. Blow bottle 2. Lower case 3. Base 4. Internal plug 5. Cotton core 6. Pulp sheet 7. Surrounding bone 8. Screw cap 9. Internal skeleton

Embodiments for Carrying Out the Invention

[0007] Hereinafter, while referring to the drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention and not all embodiments. Based on the embodiments of the present invention, any other embodiments obtained by those skilled in the art without creative labor shall fall within the protection scope of the present invention. Referring to FIGS. 1 and 2, an embodiment provided by the present invention: a liquid leakage prevention type fragrance device, comprising a blow bottle 1, a lower case 2 and a base 3, wherein the lower case 2 is screwed to the upper end of the base 3 The blowing bottle 1 is screwed and connected to the upper end of the lower case 2. At the upper end of the base 3, a pulp sheet 6 is fixed. Above the pulp sheet 6 at the upper end of the base 3, an inner plug 4 is fitted. At the central position inside the inner plug 4, a cotton wick 5 is fitted. At the outer edge of the lower end of the inner plug 4, a surrounding rib 7 is fixed. The blowing bottle 1 is used to enclose the chemical solution. The outer wall of the bottle mouth is hermetically connected to the positioning and assembling unit, and the inner wall is smooth without protrusions to ensure the airtightness of the liquid storage. In the volatilization unit composed of the inner plug 4, the cotton wick 5, and the pulp sheet 6, the inner plug 4 has a hollow structure, and a surrounding rib 7 is integrally added to the outer side of the bottom. The surrounding rib 7 is in close contact with the upper end of the pulp sheet 6. The installation of the surrounding rib 7 strengthens the airtightness and forms a blocking structure. The cotton wick 5 is a central liquid-absorbing and volatilizing component. Its bottom end extends into the blowing bottle 1 to contact the chemical solution, and its upper end is in close contact with the surrounding rib 7. It adsorbs the chemical solution in the blowing bottle 1 by capillary action and conducts it downward. The pulp sheet 6 is laid below the inner plug 4 and cooperates with the bottom end of the cotton wick 5 to further improve the chemical solution adsorption amount and stably supply the chemical solution. The lower case 2 is sleeved outside the bottle mouth of the blowing bottle 1 and is snap-connected to the blowing bottle 1 to achieve rapid assembly and positioning. The base 3 is provided below the lower case 2 and is snap-connected to the lower case 2 to fix the volatilization unit and limit the displacement of the inner plug 4 and the cotton wick 5 to avoid the dropping of components during the transportation process. Specifically, during assembly, first lay the pulp sheet 6 in the position-limiting groove on the upper end surface of the base 3, then insert the cotton wick 5 into the central through-hole of the inner plug 4, and make the lower end of the cotton wick 5 protrude from the lower end of the inner plug 4​ Then, bring it into contact with the upper surface of the pulp sheet 6. After that, fix the internal plug 4 to the upper end of the base 3. The inner stopper 4 and the surrounding frame 7 at the lower end are pressed tightly against the upper surface of the pulp sheet 6. Finally, the blow bottle 1 After filling the inside with fragrance liquid, connect the lower case 2 and the base 3 with screws in order, and then connect the blow bottle 1 and Snap the lower case 2 into place to complete the overall assembly. In one embodiment of the present invention, a screw cap 8 is screw-connected to the opening at the lower end of the blow bottle 1. It is. Specifically, the screw cap 8 seals the mouth of the blow-molded bottle 1 during transport or when not in use, and the fragrance It is used to prevent the evaporation or leakage of liquid. In one embodiment of the present invention, the outer wall of the lower case 2 is provided with a plurality of venting holes, An internal frame 9 is fitted inside. Specifically, the vents are multiple circular or elongated holes uniformly distributed in the circumferential direction of the lower case 2. Yes, there are holes, and the pore diameter is 1-3 mm. The vent holes penetrate the side wall of the lower case 2 and extend from the cotton core 5 to the lower case. 2. Used to diffuse aromatic gases that have volatilized in the lumen into the external environment. Total opening of the emission pores. The area occupies 30% to 50% of the side wall area of ​​the lower case 2, ensuring a sufficient volatilization rate. Internal skeleton Part 9 is fitted inside the lower case 2 and snapped into place within the corresponding vent holes. In one embodiment of the present invention, the lower end surface of the internal plug 4 is also open, and the lower surface of the surrounding frame 7 is made of pulp 6. It fits tightly against the top surface. Specifically, by designing the lower end surface of the internal stopper 4 to be open, the lower end of the cotton core 5 can protrude smoothly. This allows it to come into contact with the pulp sheet 6. The enclosure frame 7 extends downward from the lower outer edge of the internal plug 4. It is an annular thin wall extending in that direction, and its lower surface is in close contact with the upper surface of the pulp sheet 6. The device is inverted or When tilted, the aromatic liquid that flows out from the cotton core 5 is first blocked by the surrounding bone 7, and the enclosure It accumulates in the gap between the bone 7 and the pulp sheet 6. Because the pulp sheet 6 is absorbent, it blocks the accumulation. The absorbed liquid is again absorbed by the cotton core 5, and the liquid escapes to the outside through the fitting gap between the internal stopper 4 and the base 3. To prevent leakage. In one embodiment of the present invention, the cotton core 5 is fixed to the internal stopper 4 and is a tight fit. It is placed at the top edge of the pulp sheet 6. Specifically, the lower end of the cotton core 5 is directly inserted into the upper end of the pulp sheet 6, and the pulp sheet 6 The fibrous structure holds and fixes the cotton core 5. At the same time, the pulp sheet 6 acts as a liquid storage medium. It absorbs the excess fragrance liquid released from the cotton core 5 and continuously replenishes the cotton core 5 during the evaporation process. It ensures stability of liquid and volatilization. In one embodiment of the present invention, an annular groove is provided on the upper end surface of the internal plug 4, and one side of the inner wall of the annular groove An opening is provided for leakage, and the outer wall on one side of the cotton core 5 is positioned at the location on one side of the opening. Specifically, the annular groove provided on the upper end surface of the internal plug 4 surrounds the outside of the base of the cotton core 5, and the ring The leak opening, which is located on one side of the inner wall of the groove, communicates with the side wall of the cotton core 5. When in use, the leak opening guides It functions as a flow channel, guiding the liquid at the upper end back to the cotton core 5 area. Operating principle During assembly, first insert the inner stopper 4 into the mouth of the blow bottle 1, and then insert the cotton core 5 into the inner stopper 4. Insert it into the central pre-groove, then tighten the screw cover 8. Next, join the internal frame 9 and the base 3. Next, snap the lower case 2 and base plate 3 together vertically. Then, attach the pulp sheet 6 to base plate 3. It is laid in the position restriction groove, the liquid medicine is sealed in the blow bottle 1, and then snapped into the lower case 2. Connect and complete the overall assembly. When using, first remove the screw cover 8 and then tilt the device. (The base 2 is at the bottom). The liquid inside the blow bottle 1 is surrounded by the capillary action of the cotton core 5. The bones 7 are adsorbed, and then the cotton core 5 is further dispersed into the air. If the device is tilted, The leaked liquid is blocked by the surrounding frame 7 and then absorbed again by the cotton core 5, thus preventing leakage. During transport, the base 3 and lower case 2 restrict the displacement of the internal stopper 4 and cotton core 5. This ensures that parts do not fall off and that the supply of the chemical solution is stable. Finally, it should be noted that the above description represents only preferred embodiments of the present invention and does not limit the present invention. This is not a definitive statement. The present invention has been described in detail with reference to the embodiments described above, but for those skilled in the art... Therefore, the technical solutions described in each of the above embodiments may be modified, or some technical features may be replaced with equivalent ones. Any modifications can be made within the spirit and principles of this invention. Equivalent substitutions, improvements, etc., are all considered to fall within the scope of protection of this invention.

Claims

1. A leak-proof fragrance device comprising a blow bottle (1), a volatilization unit, and a positioning assembly unit. The set includes a feature in which the outer wall of the bottle neck of the blow bottle (1) is positioned and assembled with the positioning assembly unit. The purpose is to create a sealed connection. The volatilization unit consists of an internal stopper (4), a cotton core (5), and a pulp sheet (6), and the position The fixed assembly unit includes a lower case (2) and a base (3). The lower case (2) is connected to the base (3). The upper end is screw-connected, and the blow bottle (1) is screw-connected to the upper end of the lower case (2). A position-restricting groove is provided at the upper end of the base plate (3), and the pulp sheet (6) is fitted into the position-restricting groove. An internal plug (4) is fitted into the pulp sheet (6) at the upper end of the base (3). A cotton core (5) is fitted into the center of the internal stopper (4), and the internal stopper (4 A surrounding frame (7) is fixed to the outer edge of the lower end.

2. A leak-proof type fragrance device according to claim 1, characterized in that the lower end of the blow bottle (1) The opening is screw-connected to the screw cover (8).

3. A leak-proof type fragrance device according to claim 1, characterized in that the outer wall of the lower case (2) is multi A number of venting holes are provided, and the internal frame (9) is fitted inside the lower case (2). It is located there.

4. A leak-proof type fragrance device according to claim 1, characterized in that the internal stopper (4) has a hollow structure Furthermore, the lower end surface of the internal plug (4) is also open, and the lower surface of the surrounding frame (7) is pulp The key feature is that it is in close contact with the upper surface of (6).

5. A leak-proof fragrance device according to claim 1, characterized in that the cotton wick (5) is an internal stopper (4 It is fixed to the upper end of the pulp sheet (6) and is in an interference fit. It is located there.

6. A leak-proof type fragrance device according to claim 1, characterized in that the upper end surface of the internal stopper (4) has a ring A groove is provided, and a leak opening is made on one side of the inner wall of the annular groove, and the outer wall on one side of the cotton core (5) It is positioned on one side of the leak opening.