Injection type self-sealing oil supply electronic cigarette oil bottle and electronic cigarette thereof
By designing an injectable self-sealing e-liquid bottle, employing a piston structure and spring sealing technology, the problem of non-reusable e-liquid bottles is solved, achieving rapid filling and sealing, thus improving the user experience.
Patent Information
- Application Number
- CN202520387079.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-06
AI Technical Summary
The existing sealing structure of e-liquid bottles makes them unusable after use, preventing the bottles from being reused multiple times.
An injectable self-sealing e-liquid bottle was designed, employing a piston structure including an e-liquid reservoir, a cap, a push cap, and a push rod. The axial movement of the push rod enables the injection of e-liquid and automatic sealing, while a spring and a sealing ring ensure a tight seal.
It enables multiple uses of the e-liquid bottle, reduces waiting time, improves user experience, and allows e-liquid to be quickly injected into the e-liquid reservoir, preventing e-liquid leakage.
Smart Images

Figure CN223929522U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic cigarette technology, specifically to an injectable self-sealing e-liquid bottle and its e-cigarette. Background Technology
[0002] To ensure that the e-liquid reservoir is not filled with e-liquid at the factory or to allow for refilling after the e-liquid bottle is empty, some e-cigarettes use a puncture-type seal on the bottle. After assembling the bottle and e-liquid cup, the seal is punctured through the cup, allowing the e-liquid to flow into the cup. However, existing bottle seals are not reusable after use. Resealing is required to reuse the bottle. Utility Model Content
[0003] The technical problem solved by this utility model is to provide an injectable self-sealing e-cigarette oil bottle and its e-cigarette; the bottle opening can be automatically sealed to enable multiple uses of the oil bottle and its e-cigarette.
[0004] The technical solution of this utility model to solve the above-mentioned technical problems is:
[0005] The oil bottle is generally piston-shaped, including an oil reservoir, a lid, a push cap, and a push rod. The lid and push cap are cylindrical, with one end extending radially to seal. The cylindrical part of the push cap is placed inside the cylindrical part of the lid, and the sealing part of the lid seals the opening of the oil reservoir. The sealing part of the push cap fits into the inner wall of the oil reservoir. The push rod, fitted with a spring, is placed inside the cylindrical part of the push cap. When the push rod is pushed axially along the oil reservoir to a certain distance, the fit between the push rod and the push cap opens, allowing the e-liquid in the oil reservoir to flow out from the cylindrical part of the push cap. When the inward pressure acting on the push rod is removed, the push rod and the push cap return to a sealed state, closing the passage between the oil reservoir and the outside.
[0006] The push rod is generally rod-shaped, thick at both ends and thin in the middle; one end of the spring presses against the inner side of the outer end of the push rod, and the other end presses against the inner side of the convex ring that protrudes towards the center of the cover of the push cap.
[0007] The cylindrical part of the cup lid, without the sealing part, has an inward radial step near the end; the end of the cylindrical part of the push-cover, without the sealing part, can cooperate with the step, and the step limits the axial movement of the cylindrical part of the push-cover to the far end position away from the oil cup.
[0008] A sealing ring is provided between the cylindrical part of the cup lid and the cylindrical part of the push lid, and between the sealing cap of the push lid and the inner end of the push rod.
[0009] A silicone sealant is provided between the push-cap cap and the oil reservoir.
[0010] The electronic cigarette is equipped with an oil-collecting cotton, and an e-liquid channel is provided on the side of the oil-collecting cotton; an oil guiding activation tube is provided on the e-liquid channel; when the oil bottle is assembled with the rest of the electronic cigarette, the oil guiding activation tube pushes the push rod along the axial direction of the oil cup into the oil cup, opening the engagement between the push rod and the push cover, and the e-liquid in the oil cup can flow from the cylindrical part of the push cover into the oil-collecting cotton.
[0011] This invention features a movable piston structure on the e-liquid bottle, similar to a medical syringe. The movable piston is positioned high, with the e-liquid inside. When the bottle is activated (assembled into the device), the e-liquid activation tube on the device contacts the push rod on the push cap. The push cap assembly moves under external force, squeezing the e-liquid into the e-liquid reservoir inside the device. This structure is superior to e-cigarettes that are shipped without refilling because it quickly injects e-liquid into the empty reservoir, eliminating the need for a long wait for the e-liquid to flow into the atomizer coil. This rapid coil lubrication significantly reduces the time users spend lubricating the coil after assembling the bottle into the device. Furthermore, the bottle self-seales after being removed, preventing e-liquid from leaking out and enhancing the user experience. Attached Figure Description
[0012] The present invention will be further described below with reference to the accompanying drawings:
[0013] Figure 1 This is a three-dimensional view of the electronic e-cigarette bottle of this utility model;
[0014] Figure 2 This is a three-dimensional exploded view of the electronic e-cigarette bottle of this utility model;
[0015] Figure 3 This is a cross-sectional view of the electronic e-liquid bottle of this utility model;
[0016] Figure 4 This is a cross-sectional view of the electronic cigarette without the oil bottle assembled.
[0017] Figure 5 This is a cross-sectional view of the electronic cigarette of this utility model after the oil bottle is assembled;
[0018] Figure 6 This is a diagram illustrating the opening and closing process of the electronic e-liquid bottle of this utility model. Detailed Implementation
[0019] The following embodiments are descriptions of specific implementations of the present utility model. These descriptions are intended to facilitate understanding of the technical solutions of this application by those skilled in the art and are not intended to limit the scope of protection of the technical solutions of the present utility model. All equivalent transformations that can be obtained from the description of the embodiments of the present utility model should be within the scope of protection of the present utility model.
[0020] like Figure 1-6As shown, the electronic e-liquid bottle of this utility model generally has a piston structure, including an oil reservoir 1, a lid 5, a push cap 3, a push rod 6, and a spring 4. The lid 5 and the push cap 3 are cylindrical, with one end of the cylindrical lid 5 and the push cap 3 extending radially to seal it; the cylindrical part of the push cap is placed inside the cylindrical part of the lid, and the sealing part of the lid seals the opening of the oil reservoir; the sealing part of the push cap fits with the inner wall of the oil reservoir 1.
[0021] The push rod 6 is roughly rod-shaped, thick at both ends and thin in the middle; the push rod 6 is fitted with a spring 4 and then placed inside the cylindrical part of the push cover 3; one end of the spring 4 presses against the inner side of the outer end of the push rod 6, and the other end presses against the inner side of the convex ring that protrudes towards the center of the cover of the push cover 3.
[0022] The cylindrical part of the cup lid 5, which is not connected to the sealing part, has an inward radial step near the end; the cylindrical part of the push cover 3, which is not connected to the sealing part, is engaged with the step, and the step limits the outward axial movement of the cylindrical part of the push cover 3 to the far end position away from the oil storage cup 1.
[0023] A sealing ring is provided between the cylindrical part of the cup lid 5 and the cylindrical part of the push lid 3, and between the cover of the push lid 3 and the inner end of the push rod 6. A push lid sealing silicone 2 is provided between the cover of the push lid 3 and the oil reservoir 1.
[0024] like Figure 3 As shown, when the push rod 6 is not subjected to axial force, a sealing fit is formed between the push rod 6, the push cover 3, the cup cover 5 and the oil storage cup 1; the oil bottle is in a sealed state.
[0025] like Figure 6 As shown, when the push rod 6 is pushed into the oil cup 1 along the axial direction to a certain stroke, the fit between the push rod 6 and the push cover 3 is opened, and the e-liquid in the oil cup 1 can flow out from the cylindrical part of the push cover 3; when the inward pressure acting on the push rod 6 is removed, the push rod 6 and the push cover 3 return to the sealed state, closing the passage between the oil cup 1 and the outside.
[0026] like Figure 4 , 5 As shown, the electronic cigarette is equipped with an oil-collecting cotton 7, and an e-liquid channel 8 is provided on the side of the oil-collecting cotton 7; an oil-guiding activation tube 9 is provided on the e-liquid channel 8; when the e-liquid bottle is assembled with the rest of the electronic cigarette, the oil-guiding activation tube 9 pushes the push rod 6 axially into the e-liquid cup 1, opening the engagement between the push rod 6 and the push cover 3, allowing the e-liquid in the e-liquid cup 1 to flow from the cylindrical part of the push cover 3 into the oil-collecting cotton 7. When the e-liquid bottle is removed, the structure of the e-liquid bottle returns to its original state. Figure 3 The state shown.
[0027] The structure of the remaining parts of this electronic cigarette is shown in the figure. Their connections and fits are the same as those of existing electronic cigarettes; they will not be described in detail here.
Claims
1. An injectable self-sealing e-liquid bottle, characterized in that: The oil bottle is generally piston-shaped, including an oil reservoir, a lid, a push cap, and a push rod. The lid and push cap are cylindrical, with one end extending radially to seal. The cylindrical part of the push cap is placed inside the cylindrical part of the lid, and the sealing part of the lid seals the opening of the oil reservoir. The sealing part of the push cap fits into the inner wall of the oil reservoir. The push rod, fitted with a spring, is placed inside the cylindrical part of the push cap. When the push rod is pushed axially along the oil reservoir to a certain distance, the fit between the push rod and the push cap opens, allowing the e-liquid in the oil reservoir to flow out from the cylindrical part of the push cap. When the inward pressure acting on the push rod is removed, the push rod and the push cap return to a sealed state, closing the passage between the oil reservoir and the outside.
2. The injectable self-sealing e-liquid bottle according to claim 1, characterized in that: The push rod is generally rod-shaped, thick at both ends and thin in the middle; one end of the spring presses against the inner side of the outer end of the push rod, and the other end presses against the inner side of the convex ring that protrudes towards the center of the cover of the push cap.
3. The injectable self-sealing e-liquid bottle according to claim 1, characterized in that: The cylindrical part of the cup lid, without the sealing part, has an inward radial step near the end; the end of the cylindrical part of the push-cover, without the sealing part, can cooperate with the step, and the step limits the axial movement of the cylindrical part of the push-cover to the far end position away from the oil cup.
4. The injectable self-sealing e-liquid bottle according to claim 2, characterized in that: The cylindrical part of the cup lid, without the sealing part, has an inward radial step near the end; the end of the cylindrical part of the push-cover, without the sealing part, can cooperate with the step, and the step limits the axial movement of the cylindrical part of the push-cover to the far end position away from the oil cup.
5. The injectable self-sealing e-liquid bottle according to claim 2, 3 or 4, characterized in that: A sealing ring is provided between the cylindrical part of the cup lid and the cylindrical part of the push lid, and between the sealing cap of the push lid and the inner end of the push rod.
6. The injectable self-sealing e-liquid bottle according to any one of claims 1 to 4, characterized in that: A silicone sealant is provided between the push-cap cap and the oil reservoir.
7. The injectable self-sealing e-liquid bottle according to claim 5, characterized in that: A silicone sealant is provided between the push-cap cap and the oil reservoir.
8. An electronic cigarette using the injectable self-sealing e-liquid bottle as described in claim 1, characterized in that: The electronic cigarette is equipped with an oil-collecting cotton, and an e-liquid channel is provided on the side of the oil-collecting cotton; an oil guiding activation tube is provided on the e-liquid channel; when the oil bottle is assembled with the rest of the electronic cigarette, the oil guiding activation tube pushes the push rod along the axial direction of the oil cup into the oil cup, opening the engagement between the push rod and the push cover, and the e-liquid in the oil cup can flow from the cylindrical part of the push cover into the oil-collecting cotton.