An open type electronic cigarette capable of controlling the amount of secondary oil intake

Abstract

This invention relates to an open-type electronic cigarette with controllable secondary e-liquid filling. The atomizer core assembly has a first and a second sleeve segment axially connected to atomizer core sealing silicone at its upper end; a first and a second abutment step are provided below the port of the main body; a vent hole is provided above the first abutment step; when the atomizer core assembly is first inserted into the main body, the atomizer core sealing silicone cooperates with the first sleeve segment, forming a sealed e-liquid storage cavity when the atomizer core assembly is inserted until the sealing silicone abuts the first abutment step, allowing e-liquid in the storage cavity to be forced into the atomizer core assembly upon further insertion; when the atomizer core assembly is inserted a second time and thereafter, the sealing silicone abuts the first abutment step, forming a sealed e-liquid storage cavity, allowing e-liquid in the storage cavity to be forced into the atomizer core assembly upon further insertion. This invention solves the problem of e-liquid filling control in different states of electronic cigarettes; it can be applied to electronic cigarettes.

Description

Technical Field

[0001] This invention relates to the field of electronic cigarette technology, and specifically to an open-type electronic cigarette with controllable secondary e-liquid intake. Background Technology

[0002] Currently, most open-type replaceable coil e-cigarettes are equipped with a coil-lubricating mechanism to achieve a convenient "instant vaping" experience. The mechanism works as follows: when the coil is inserted into the e-liquid tank, mechanical compression forces e-liquid into the reservoir cotton, completing the initial lubrication. However, existing solutions have significant drawbacks: firstly, the lubrication function is mostly a one-time design, unable to meet the needs of secondary lubrication after refilling; secondly, some structures that support secondary lubrication introduce the exact same amount of e-liquid as the initial lubrication, failing to consider the actual state of residual e-liquid in the reservoir cotton, leading to excessive e-liquid intake during secondary insertion. This results in issues such as vaping liquid e-liquid, abnormal airflow noise, and tank leakage, while also causing e-liquid waste and seal failure.

[0003] The diverse scenarios requiring coil lubrication further exacerbate the technical challenges. During initial use, the e-liquid reservoir is completely dry, requiring a sufficient e-liquid intake to ensure adequate saturation and prevent burnt coils. However, during subsequent refills, the reservoir retains residual e-liquid, requiring only a small amount to maintain stable atomization. Mechanically using the same e-liquid intake as the initial intake would inevitably lead to overfilling. Therefore, current technology cannot adaptively adjust the e-liquid intake based on actual usage conditions, making it difficult to strike a balance between preventing burnt coils and preventing overfilling. This has become a key bottleneck restricting the improvement of product experience in the industry. Summary of the Invention

[0004] The technical problem solved by this invention is to provide an open-type electronic cigarette with controllable secondary oil intake, which can accurately control the amount of oil intake during the first and second lubrication, thus eliminating the risk of burnt coil and avoiding problems such as oil leakage, abnormal noise, etc.

[0005] The technical solution of the present invention to solve the above-mentioned technical problems is:

[0006] The device includes an atomizing core assembly and a main body; the main body has an oil storage cavity at its upper end and a port at its top that communicates with the oil storage cavity for insertion of the atomizing core assembly; one end of the atomizing core assembly is inserted into the main body through the port; the electronic cigarette also includes atomizing core sealing silicone; the upper end of the atomizing core assembly has a first and a second sleeve section axially arranged from bottom to top to fit the atomizing core sealing silicone; below the port of the main body, a first and a second abutting step are arranged from top to bottom; a vent is provided above the first abutting step; when the atomizing core assembly first... When the atomizer core is inserted into the main body of the e-cigarette for the first time, the sealing silicone of the atomizer core mates with the first connecting segment. When the atomizer core assembly is inserted until the sealing silicone of the atomizer core abuts against the first abutting step, a sealed state is formed in the oil storage cavity. When the atomizer core assembly is inserted into the main body of the e-cigarette for the second time and thereafter, the sealing silicone of the atomizer core mates with the second connecting segment. When the atomizer core assembly is inserted until the sealing silicone of the atomizer core abuts against the first abutting step, a sealed state is formed in the oil storage cavity. When the atomizer core assembly is inserted into the main body of the e-cigarette for the second time and thereafter, a sealed state is formed in the oil storage cavity. When the atomizer core assembly is inserted until the sealing silicone of the atomizer core abuts against the first abutting step, a sealed state is formed in the oil storage cavity. When the atomizer core assembly is inserted into the main body of the e-cigarette for the second time and thereafter, a sealed state in the oil storage cavity is formed ...

[0007] A radially protruding limiting ring is formed between the first and second sleeve segments of the atomizing core assembly; the sealing silicone of the atomizing core can axially cross the limiting ring and enter the position that mates with the second sleeve segment under the action of the first and second abutting steps.

[0008] The second abutting step of the main body of the cigarette rod is radially recessed compared to the first abutting step.

[0009] When the atomizing core sealing silicone mates with the first connecting segment and the atomizing core assembly is inserted until the atomizing core sealing silicone mates with the first abutting step, the atomizing core assembly can be inserted further by a stroke of 4mm; when the atomizing core sealing silicone mates with the second connecting segment and the atomizing core assembly is inserted until the atomizing core sealing silicone mates with the first abutting step, the atomizing core assembly can be inserted further by a stroke of 1.5mm.

[0010] The travel distance is the distance from the bottom of the atomizing core assembly to the bottom of the oil storage cavity.

[0011] This invention provides an electronic cigarette structure capable of precisely controlling the e-liquid intake during the initial and secondary coil lubrication. Through a displacement limiting design using a sealing silicone core, differentiated coil lubrication is achieved under different usage conditions. This overcomes the shortcomings of existing open-type replaceable coil electronic cigarettes, such as uncontrollable secondary coil lubrication and the tendency to over-lubricate, eliminating the risk of burnt coils and avoiding problems like vaping, leakage, and abnormal noise. This invention, through a one-time displacement limiting design using a sealing silicone core, eliminates the need for additional electronic control components; the purely mechanical structure achieves precise differentiation between the initial and secondary coil lubrication intake. The structure is simple, highly reliable, and solves the technical pain points of existing products. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings:

[0013] Figure 1 This is a front view of the electronic cigarette atomizing core assembly 1, atomizing core sealing silicone 2, and cigarette rod body 3 in their separated states according to the present invention;

[0014] Figure 2 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly before their first insertion;

[0015] Figure 3 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention being first inserted into the atomizing core sealing silicone 2 and abutting the first abutting step 33;

[0016] Figure 3 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention being first inserted into the atomizing core sealing silicone 2 and abutting the first abutting step 33;

[0017] Figure 4 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention in the first fully inserted state;

[0018] Figure 5 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly after initial insertion and removal.

[0019] Figure 6 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention being re-inserted into the cigarette rod body 3;

[0020] Figure 7 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention being inserted again into the atomizing core sealing silicone 2 and abutting the first abutting step 33;

[0021] Figure 8 This is a cross-sectional view of the electronic cigarette atomizing core assembly 1 and the atomizing core sealing silicone 2 assembly of the present invention in the first fully inserted state;

[0022] Figure 9 yes Figure 2 Enlarged view of part A. Detailed Implementation

[0023] The following embodiments are descriptions of specific implementations of the present invention. 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 invention. All equivalent transformations that can be obtained from the description of the embodiments of the present invention should be within the scope of protection of the present invention.

[0024] like Figures 1 to 9 As shown, the electronic cigarette of the present invention includes an atomizing core assembly 1, a cigarette body 3, and an atomizing core sealing silicone 2. An oil storage cavity 31 is provided at the upper end of the cigarette body 3, and a port 32 communicating with the oil storage cavity 31 for insertion of the atomizing core assembly 1 is provided at the top.

[0025] One end of the atomizing core assembly 1 is inserted into the main body 3 of the e-cigarette through port 32.

[0026] The atomizing core assembly 1 has a first sleeve section 11 and a second sleeve section 12 axially connected from bottom to top at the upper end to fit the sealing silicone 2 of the atomizing core; a radially protruding limiting ring 13 is formed between the first sleeve section 11 and the second sleeve section 12 of the atomizing core assembly 1.

[0027] Below the port 32 of the main body 3 of the cigarette rod, a first abutment step 33 and a second abutment step 34 are provided from top to bottom; a vent 35 is provided above the first abutment step 33. The second abutment step 34 is radially recessed compared to the first abutment step 33.

[0028] like Figure 2 As shown, when the atomizer core assembly 1 is first inserted into the main body 3 of the e-cigarette, the atomizer core sealing silicone 2 mates with the first connecting segment 11. Figure 3 As shown, when the atomizer core assembly 1 is inserted until the atomizer core sealing silicone 2 abuts against the first abutment step 33, the vent 35 is located above the atomizer core sealing silicone 2, forming a sealed state for the oil storage cavity 31. At this time, the distance from the bottom of the atomizer core assembly 2 to the bottom of the oil storage cavity 31 is 4mm; the atomizer core assembly 2 can be further inserted by a stroke of 4mm (from...). Figure 3 State change to Figure 4 (In this state, the atomizing core assembly 1 is axially displaced relative to the main body 3 of the e-cigarette). Continuing to insert the atomizing core assembly 1, the e-liquid in the oil storage cavity 31 can be forced into the atomizing core assembly 1 for lubrication and filling.

[0029] like Figure 5 As shown, the atomizing core sealing silicone 2 on the atomizing core assembly 1, during the insertion of the atomizing core assembly 1, axially crosses the limiting ring 13 and enters the position to mate with the second sleeve segment 12 through the action of the first abutting step 33 and the second abutting step 34. Due to the action of the limiting ring 13, after the atomizing core assembly 1 is pulled out, the atomizing core sealing silicone 2 remains in the state of mate with the second sleeve segment 12. Figure 6 As shown, when the atomizer core assembly 1 is inserted again, because the atomizer core sealing silicone 2 is in a state of engagement with the second sleeve section 12, when the atomizer core assembly 1 is inserted to the appropriate stroke (2.5mm), the atomizer core sealing silicone 2 is still located above the vent hole 35; the e-liquid in the oil storage cavity 31 cannot enter the atomizer core assembly 1 under pressure. Figure 7As shown, when the atomizer core assembly 1 is inserted further, the sealing silicone 2 of the atomizer core abuts against the first abutment step 33, forming a sealed state of the oil storage cavity 31. With continued insertion of the atomizer core assembly 1, the e-liquid in the oil storage cavity 31 can be forced into the atomizer core assembly 2. At this point, the atomizer core assembly 2 can be further inserted by a stroke of 1.5mm (from...). Figure 7 State change to Figure 8 (State, axial displacement of the atomizing core assembly 1 relative to the main body 3 of the e-cigarette). Figure 8 In the state where the atomizing core assembly 1 is fully inserted, when the pressure in the oil storage cavity 31 is balanced, the e-liquid stops being injected into the atomizing core assembly 1.

[0030] As mentioned earlier, when the atomizer coil assembly 1 is first inserted, a sealing structure is formed between the atomizer coil assembly 1 and the e-liquid cavity 31 when the atomizer coil assembly 1 moves down to a position 4mm from the bottom of the e-liquid cavity 31. As the atomizer coil assembly 1 continues to be pressed downwards, e-liquid enters the atomizer coil assembly 1 under pressure, completing the initial 3ml e-liquid lubrication. During the continuous downward pressing of the atomizer coil assembly 1, the first abutment step 33 and the second abutment step 34 push the atomizer coil sealing silicone 2 upwards, causing it to move upwards by 2.5mm. The preset limiting structure on the atomizer coil assembly 1 limits and fixes the atomizer coil sealing silicone 2, preventing it from moving up and down and locking its displacement state.

[0031] When inserting the atomizer coil assembly 1 for the second time, because the sealing silicone 2 has been pushed upwards by 2.5mm and is now in a limited position, the atomizer coil assembly 1 needs to sink 2.5mm more than when it was first inserted to form a sealed fit with the e-liquid cavity 31. At this point, the atomizer coil assembly 1 is only 1.5mm away from the bottom of the e-liquid cavity 31, corresponding to an e-liquid volume of 0.5ml. Continuing to press the atomizer coil assembly 1 to the bottom will only press in 0.5ml of e-liquid to complete the second lubrication. This amount of e-liquid is sufficient to replenish the e-liquid cotton, prevent the coil from burning, and avoid defects such as excessive e-liquid intake or leakage.

[0032] The structure of the remaining parts of the electronic cigarette of the present invention is shown in the figure. The remaining parts are not related to the implementation of the aforementioned scheme; they will not be described in detail here.

Claims

1. An open-type electronic cigarette with controllable secondary oil intake, comprising an atomizing core assembly and a cigarette holder body; an oil storage cavity is provided at the upper end of the cigarette holder body, and a port communicating with the oil storage cavity and for inserting the atomizing core assembly is provided at the top end; one end of the atomizing core assembly is inserted into the cigarette holder body through the port; characterized in that: The electronic cigarette also includes atomizer core sealing silicone; the atomizer core assembly has a first sleeve section and a second sleeve section axially arranged from bottom to top on its upper end to fit the atomizer core sealing silicone; a first abutting step and a second abutting step are arranged from top to bottom below the port of the cigarette body; a vent is provided above the first abutting step; when the atomizer core assembly is first inserted into the cigarette body, the atomizer core sealing silicone cooperates with the first sleeve section, and when the atomizer core assembly is inserted until the atomizer core sealing silicone abuts with the first abutting step, a sealed state is formed in the oil storage cavity, and when it continues to be inserted, the e-liquid in the oil storage cavity can be forced into the atomizer core assembly; when the atomizer core assembly is inserted into the cigarette body for the second time and thereafter, the atomizer core sealing silicone cooperates with the second sleeve section, and when the atomizer core assembly is inserted until the atomizer core sealing silicone abuts with the first abutting step, a sealed state is formed in the oil storage cavity, and when it continues to be inserted, the e-liquid in the oil storage cavity can be forced into the atomizer core assembly.

2. The open-type electronic cigarette with controllable secondary oil intake according to claim 1, characterized in that: A radially protruding limiting ring is formed between the first and second sleeve segments of the atomizing core assembly; the sealing silicone of the atomizing core can axially cross the limiting ring and enter the position that mates with the second sleeve segment under the action of the first and second abutting steps.

3. The open-type electronic cigarette with controllable secondary oil intake according to claim 1, characterized in that: The second abutting step of the main body of the cigarette rod is radially recessed compared to the first abutting step.

4. The open-type electronic cigarette with controllable secondary oil intake according to claim 2, characterized in that: The second abutting step of the main body of the cigarette rod is radially recessed compared to the first abutting step.

5. The open-type electronic cigarette with controllable secondary oil intake according to any one of claims 1 to 4, characterized in that: When the atomizing core sealing silicone mates with the first connecting segment and the atomizing core assembly is inserted until the atomizing core sealing silicone mates with the first abutting step, the atomizing core assembly can be inserted further by a stroke of 4mm; when the atomizing core sealing silicone mates with the second connecting segment and the atomizing core assembly is inserted until the atomizing core sealing silicone mates with the first abutting step, the atomizing core assembly can be inserted further by a stroke of 1.5mm.

6. The open-type electronic cigarette with controllable secondary oil intake according to claim 5, characterized in that: The travel distance is the distance from the bottom of the atomizing core assembly to the bottom of the oil storage cavity.

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