Multi-sealing leakage-proof electronic cigarette tar bin
Through the design of a multi-layered sealing structure, including the cooperation of the cover plate, sealing sleeve and inner support column, the problem of easy leakage of e-liquid filling hole is solved, and higher sealing performance and durability are achieved.
Patent Information
- Application Number
- CN202520062046.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-11
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-11
AI Technical Summary
The existing e-cigarette oil tank has a poor sealing structure, especially the sealing plug at the oil filling hole, which is easy to lose and wear, leading to oil leakage problems.
It adopts a multi-seal structure, including a cover plate, a sealing sleeve, and an inner support column. Through the cooperation of elastic ropes and positioning columns, the cover plate is tightly connected to the oil tank body, and the sealing sleeve is opened by rotating the inner support column when needed to ensure the seal.
It effectively reduces the probability of oil leakage, ensures the multiple sealing of the oil injection hole, and avoids the decline in sealing quality caused by wear of the sealing plug.
Smart Images

Figure CN223929498U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic cigarette technology, specifically to a multi-layered, leak-proof electronic e-cigarette oil tank. Background Technology
[0002] Electronic cigarettes are electronic products that mimic traditional cigarettes, having the same appearance, smoke, taste, and feel. They are products that allow users to inhale nicotine and other substances by vaporizing them. Electronic cigarettes mainly consist of three parts: a tank containing nicotine solution, an vaporization device, and a battery.
[0003] Currently, some easy-to-disassemble oil tanks are directly inserted into the rear of the machine housing. However, the sealing structure of these oil tanks is poor, especially the structure of the oil filling hole. Generally, only a sealing plug is inserted inside, and this sealing plug is set separately. It is easy to lose it after being pulled out. Moreover, the sealing plug will wear out after long-term use, which will greatly reduce the sealing quality and cause oil leakage. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a multi-layered, leak-proof electronic e-liquid tank. Through the multi-layered sealing structure, the sealing of the oil filling hole is ensured, thereby solving the problems mentioned in the background art.
[0005] This utility model is achieved through the following technical solution: a multi-layered, leak-proof electronic e-cigarette oil tank, comprising an oil tank body, a groove on the outer side of the oil tank body, an oil filling part and a positioning part protruding from the inner wall of the oil tank body opposite the groove, an oil filling hole communicating with the groove and the inner cavity of the oil tank body inside the oil filling part, a sealing sleeve inside the oil filling hole, an inner support column inside the sealing sleeve, a cover plate inside the groove, and positioning holes communicating with the groove inside the positioning part, with positioning components connected to the cover plate installed in each positioning hole.
[0006] As a preferred technical solution, the positioning components all include positioning posts and elastic ropes. One end of each positioning post is inserted into a positioning hole and is fixedly connected to the elastic rope. The other end of each elastic rope is fixedly connected to the inner side of the positioning hole. The other end of each positioning post is installed on the inner side of the cover plate.
[0007] As a preferred technical solution, the outer side of the cover plate is provided with a screw hole facing the inner support column. One end of the inner support column is inserted into the screw hole. The end of the inner support column located inside the screw hole is provided with a thread, and is connected to the screw hole by the thread. The inner support column expands outward near the screw hole to form a ring-shaped extrusion section.
[0008] As a preferred technical solution, the end of the oil injection hole away from the groove is bent inward to form a flange with an annular structure. One end of the sealing sleeve is in contact with the flange, the inner ring surface of the sealing sleeve is in contact with the inner support column, and the outer ring surface of the sealing sleeve is in contact with the oil injection hole.
[0009] As a preferred technical solution, the inner wall of the groove is provided with an annular groove on the outer side of the oil injection hole, and a sealing ring is installed on the inner side of the cover plate, with the sealing ring inserted into the annular groove.
[0010] As a preferred technical solution, the outer side of the cover plate is flush with the outer side of the oil tank body.
[0011] The beneficial effects of this utility model are: the utility model has a simple structure, the cover plate and the oil tank body are integrated, which avoids loss, and multiple seals can be achieved through the cover plate, sealing plug and sealing sleeve, which greatly reduces the probability of oil leakage. In addition, after rotating the inner support column, the sealing sleeve can be opened outward, which avoids the sealing quality being affected by the wear of the outer ring of the sealing sleeve. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the present invention after removing the cover plate and positioning components;
[0015] Figure 3 This is a cross-sectional view of the present invention;
[0016] Figure 4 This is a structural schematic diagram of the cover plate, positioning component, and inner support column of this utility model.
[0017] The components include: 1. Oil tank body; 2. Cover plate; 3. Inner support column; 4. Groove; 5. Positioning hole; 6. Annular groove; 7. Sealing sleeve; 8. Positioning part; 9. Oil injection part; 10. Flanged edge; 11. Elastic rope; 12. Positioning column; 13. Sealing ring; 14. Extrusion part. Detailed Implementation
[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0019] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.
[0020] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.
[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model discloses a multi-sealed leak-proof electronic e-liquid tank, comprising an e-liquid tank body 1. The outer side of the e-liquid tank body 1 is provided with a groove 4. The inner wall of the e-liquid tank body 1 protrudes from the groove 4 to form an e-liquid filling part 9 and a positioning part 8. The e-liquid filling part 9 is provided with an e-liquid filling hole that communicates with the groove 4 and the inner cavity of the e-liquid tank body 1. The e-liquid filling hole is provided with a sealing sleeve 7. The sealing sleeve 7 is provided with an inner support column 3. The groove 4 is provided with a cover plate 2. The positioning part 8 is provided with a positioning hole 5 that communicates with the groove 4. A positioning component connected to the cover plate 2 is installed in each positioning hole 5.
[0022] In this embodiment, each positioning component includes a positioning post 12 and an elastic rope 11. One end of each positioning post 12 is inserted into the positioning hole 5 and is fixedly connected to the elastic rope 11. The other end of each elastic rope 11 is fixedly connected to the inner side of the positioning hole 5. The other end of each positioning post 12 is installed on the inner side of the cover plate 2.
[0023] In this embodiment, the outer side of the cover plate 2 is provided with a screw hole facing the inner support column 3. One end of the inner support column 3 is inserted into the screw hole. The inner support column 3 is provided with a thread on the end inside the screw hole, and is connected to the screw hole by the thread. The inner support column 3 expands outward near the screw hole to form a ring-shaped extrusion part 14. The outer end face of the inner support column is provided with a cross groove, so that the inner support column can be rotated by a screwdriver.
[0024] In this embodiment, the end of the oil injection hole away from the groove 4 is bent inward to form a flange 10 with an annular structure. One end of the sealing sleeve 7 is in contact with the flange 10, the inner ring surface of the sealing sleeve 7 is in contact with the inner support column 3, and the outer ring surface of the sealing sleeve 7 is in contact with the oil injection hole. The flange can block one end of the sealing sleeve, preventing the sealing sleeve from entering the inner cavity of the oil tank body.
[0025] In this embodiment, the inner wall of the groove 4 is provided with an annular groove 6 outside the oil injection hole, and a sealing ring 13 is installed on the inner side of the cover plate 2. The sealing ring 13 is inserted into the annular groove 6, and the sealing between the cover plate and the groove is increased by the annular groove and the sealing ring.
[0026] In this embodiment, the outer side of the cover plate 2 is flush with the outer side of the oil tank body 1, so that the cover plate can be pressed down after the oil tank body is inserted into the machine housing.
[0027] When refueling, this device can be pulled out of the housing. The elasticity of the elastic rope pushes out the positioning column and cover plate. The cover plate can be used to pull out the inner support column and sealing sleeve. After the positioning column is no longer obstructed, the cover plate and inner support column can be moved to one side by stretching the elastic rope, so that the oil filling hole is open, which facilitates the filling of oil into the body.
[0028] After oil filling is completed, the elastic rope can be stretched to insert the inner support column and sealing sleeve into the oil filling hole. The rebound of the elastic rope can insert the positioning column into the positioning hole, and the positioning column can position the cover plate. As the cover plate enters the groove, the sealing ring on the cover plate can be inserted into the annular groove. Multiple seals can be achieved through the cover plate, sealing plug and sealing sleeve, which greatly reduces the probability of oil leakage. As the oil tank body is inserted into the machine housing, the outer side of the cover plate will be pressed by the inner side of the machine housing, preventing the cover plate from opening.
[0029] As the sealing sleeve is repeatedly pulled out and inserted into the oil injection hole over a long period of time, the outer ring surface of the sealing strip will wear. At this time, the inner support column can be rotated with a screwdriver to lower the inner support column. The movement of the inner support column drives the extrusion part, and the lowered extrusion part can push the sealing sleeve outward, so that the outer ring surface of the sealing sleeve can further contact the oil injection hole, thereby ensuring the seal between the sealing sleeve and the oil injection hole and greatly reducing oil leakage.
[0030] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.
Claims
1. A multi-layered, leak-proof electronic e-liquid tank, characterized in that: The oil tank body (1) includes a groove (4) on its outer side. The inner wall of the oil tank body (1) protrudes from the groove (4) to form an oil injection part (9) and a positioning part (8). The oil injection part (9) has an oil injection hole that communicates with the groove (4) and the inner cavity of the oil tank body (1). The oil injection hole has a sealing sleeve (7) inside. The sealing sleeve (7) has an inner support column (3) inside. The groove (4) has a cover plate (2) inside. The positioning part (8) has a positioning hole (5) that communicates with the groove (4) inside. The positioning hole (5) has a positioning component that is connected to the cover plate (2) installed in it.
2. The multi-sealed leak-proof electronic e-liquid tank according to claim 1, characterized in that: The positioning components all include a positioning post (12) and an elastic rope (11). One end of the positioning post (12) is inserted into the positioning hole (5) and is fixedly connected to the elastic rope (11). The other end of the elastic rope (11) is fixedly connected to the inner side of the positioning hole (5). The other end of the positioning post (12) is installed on the inner side of the cover plate (2).
3. The multi-sealed leak-proof electronic e-liquid tank according to claim 1, characterized in that: The outer side of the cover plate (2) is provided with a screw hole facing the inner support column (3). One end of the inner support column (3) is inserted into the screw hole. The inner support column (3) is provided with a thread at one end inside the screw hole and is connected to the screw hole by the thread. The inner support column (3) expands outward near the screw hole to form a ring-shaped extrusion part (14).
4. The multi-sealed leak-proof electronic e-liquid tank according to claim 1, characterized in that: The oil injection hole is opened at the end away from the groove (4) and bent inward to form a flange (10) with an annular structure. One end of the sealing sleeve (7) is in contact with the flange (10), the inner ring surface of the sealing sleeve (7) is in contact with the inner support column (3), and the outer ring surface of the sealing sleeve (7) is in contact with the oil injection hole.
5. The multi-sealed leak-proof electronic e-liquid tank according to claim 1, characterized in that: The inner wall of the groove (4) is provided with an annular groove (6) on the outside of the oil injection hole. A sealing ring (13) is installed on the inner side of the cover plate (2), and the sealing ring (13) is inserted into the annular groove (6).
6. The multi-sealed leak-proof electronic e-liquid tank according to claim 1, characterized in that: The outer side of the cover plate (2) is flush with the outer side of the oil tank body (1).