Self-sealing cover, liquid storage device and electronic atomizer
By designing a self-sealing cap and using an elastic element to drive the valve body to move, the liquid reservoir can be self-sealed, which solves the sealing problem after the liquid reservoir is separated from the atomizing host and avoids the spillage of the atomizing matrix.
Patent Information
- Application Number
- CN202422661662.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-10-31
AI Technical Summary
The existing liquid reservoir cannot seal itself after being separated from the atomizing unit, causing the atomizing matrix to spill out of the outlet.
A self-sealing cover was designed, comprising a cover body, a valve body, an elastic element, and a sealing element. The elastic element causes the valve body to move in different positions, thereby achieving automatic sealing of the liquid inlet and ensuring the self-sealing of the liquid reservoir and the oil tank.
It achieves a self-sealing function between the liquid reservoir and the atomizer, preventing the spillage of the atomized matrix.
Smart Images
Figure CN223528958U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electronic atomization equipment technology, and in particular to a self-sealing cap, a liquid reservoir, and an electronic atomizer. Background Technology
[0002] Existing electronic atomizers consist of a detachable reservoir and an atomizer unit. The atomizer unit has a tank containing pre-stored atomizing matrix and an atomizer coil. The reservoir provides additional atomizing matrix to the tank. However, existing reservoirs lack self-sealing functionality. When not in use, the reservoir's outlet is sealed. After the reservoir is combined with the atomizer unit, the seal at the outlet breaks, allowing the atomizing matrix to transfer into the tank. When the reservoir is separated from the atomizer unit, the outlet cannot self-seal, causing some atomizing matrix to spill from the reservoir's outlet. Utility Model Content
[0003] The main purpose of this invention is to propose a self-sealing cap, a liquid reservoir, and an electronic atomizer, which can solve the problem in the prior art that the liquid reservoir cannot seal itself after being separated from the atomizing host.
[0004] To achieve the above objectives, this application provides a self-sealing cap, the self-sealing cap comprising:
[0005] The cover has opposing first and second sides, and a stepped hole penetrating the first and second sides;
[0006] A hollow valve body is movably disposed within the stepped hole. The valve body has a first end on the same side as the large hole of the stepped hole, a second end on the same side as the small hole of the stepped hole, and a side connecting the first end and the second end. The first end has an opening, and the side near the first end has a protrusion that can restrict the first end within the large hole of the stepped hole when the valve body moves toward the small hole side of the stepped hole. The side near the second end has a liquid inlet and a groove circumferentially disposed on the outer surface of the valve body. The liquid inlet communicates with the opening, and the groove is exposed on the small hole side of the stepped hole.
[0007] The first sealing element has an outer diameter larger than the inner diameter of the small hole of the stepped hole. The first sealing element is installed in the slot and can lock the second end out of the stepped hole.
[0008] An elastic element is sleeved on the valve body. One end of the elastic element is connected to the protrusion of the valve body, and the other end of the elastic element is connected to the cover. The elastic element provides a force for the valve body to move toward the larger hole of the stepped hole, and causes the first sealing element to abut against the cover, thereby hiding the liquid inlet in the stepped hole.
[0009] The aforementioned self-sealing cover can move the valve body closer to the large hole under the support of the elastic element, so that the first sealing element abuts against the cover body and the liquid inlet is hidden in the stepped hole; when the valve body is driven by an external force to compress the elastic element, the valve body moves closer to the small hole, and the liquid inlet will be exposed on the side of the small hole, and the valve body connects the two sides of the cover body.
[0010] In some embodiments, the self-sealing cover further includes a second seal, and a mounting groove is provided on the side of the side near the first end. The second seal is installed in the mounting groove, and the second seal causes the valve body to be tightly fitted with the inner wall of the stepped hole.
[0011] In some embodiments, the outer diameter of the second end is less than or equal to the inner diameter of the small hole of the stepped hole.
[0012] In some embodiments, multiple liquid inlets are provided, and the multiple liquid inlets are distributed in a ring on the side.
[0013] In some embodiments, the self-sealing cover further includes a wall connecting the first side and the second side, the wall having an annular groove, and a tensioning member being engaged within the annular groove, the tensioning member being used to tighten the self-sealing cover in conjunction with an external component.
[0014] In some embodiments, the cover is made of silicone or plastic material.
[0015] This application also provides a liquid reservoir, including a housing and a self-sealing cap as described in any of the above embodiments. The housing has a liquid reservoir cavity inside, and the housing has an outlet communicating with the liquid reservoir cavity. The self-sealing cap is fixed at the outlet, and one end of the small hole of the stepped hole is located on the side close to the liquid reservoir cavity.
[0016] Understandably, when the external device injects oil into the reservoir, it drives the valve body to compress the elastic element, causing the valve body to move towards the reservoir cavity near the small orifice. The inlet is exposed in the reservoir cavity, and external liquid can be injected into the reservoir cavity through the inlet from the opening. Alternatively, liquid in the reservoir cavity can enter the valve body through the inlet and be output to the outside of the reservoir through the opening. When the external device removes its drive on the valve body, the valve body moves towards the side near the large orifice under the tension of the elastic element, and the inlet gradually disappears into the stepped orifice. The first sealing element abuts against the inner wall of the reservoir cavity to seal the gap between the valve body and the reservoir cavity.
[0017] This application also provides an electronic atomizer, which includes a main housing and a liquid reservoir as described in the above embodiments. The main housing has a mounting base on its surface and a protruding pushing part on the mounting base. The main housing has an oil tank inside, and the liquid reservoir is detachably connected to the mounting base.
[0018] In this embodiment, after the liquid reservoir is installed on the mounting base, the pushing part can push the valve body to one side of the liquid reservoir and make the liquid inlet connect to the liquid reservoir, thereby making the liquid reservoir connected to the oil tank; when the liquid reservoir is separated from the main housing, the elastic member supports the valve body to move away from the liquid reservoir, so that the first sealing member abuts against the cover to seal the liquid reservoir, thereby making the liquid inlet hidden in the stepped hole.
[0019] This application also provides an electronic atomizer, including an oil tank and a self-sealing cap as described in any of the above embodiments. The oil tank is provided with an oil filling port, and the self-sealing cap is fixed at the oil filling port. The side of the cap body near the stepped hole and the small hole is on the same side as the inner wall of the oil tank.
[0020] In this embodiment, after the external injector is separated from the oil tank, the self-sealing cap of the electronic atomizer can promptly seal the oil inlet to seal the oil tank, preventing the atomized matrix inside the oil tank from spilling outside the oil tank. When the external injector is inserted into the oil inlet, the valve body is driven by the injector to compress the elastic element, causing the valve body to move closer to the small hole. The liquid inlet will be exposed on the side of the small hole. The valve body connects the oil tank and the injector, allowing the atomized matrix inside the injector to be injected into the oil tank. Attached Figure Description
[0021] Figure 1 This is a schematic diagram of the structure of the self-sealing cap in the embodiments provided in this application;
[0022] Figure 2 for Figure 1 A schematic cross-sectional view of the self-sealing cap structure;
[0023] Figure 3 for Figure 1 Exploded view of the structure of the self-sealing cap;
[0024] Figure 4 for Figure 3 A structural cross-sectional diagram of the self-sealing cap after disassembly;
[0025] Figure 5 This is a schematic diagram of the liquid reservoir in the embodiments provided in this application;
[0026] Figure 6 for Figure 5 Exploded view of the structure of the intermediate liquid storage tank;
[0027] Figure 7 for Figure 5 A cross-sectional view of the liquid storage tank.
[0028] Explanation of icon numbers:
[0029] 1-Self-sealing cap;
[0030] 10-Cover body; 11-First side; 12-Second side; 13-Stepped hole; 131-Large hole; 132-Small hole; 14-Tensioner;
[0031] 20-Valve body; 21-First end; 22-Second end; 23-Liquid inlet; 24-Slot; 25-Protrusion; 26-Mounting groove;
[0032] 30 - Elastic element; 40 - First seal; 50 - Second seal;
[0033] 60-Shell; 601-Liquid reservoir; 61-Outlet. Detailed Implementation
[0034] To make the above-mentioned objects, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0035] In the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0036] Electronic atomizers can be used in various fields, such as medical atomization, beauty atomization, and cigarette alternatives. They primarily work by heating an atomization substrate to generate an aerosol, which can be a liquid substrate containing or without nicotine. Electronic atomizers generally consist of an atomization assembly and a power supply assembly. The atomization assembly includes a reservoir that stores the atomization substrate and a coil. The reservoir stores the substrate, and the coil heats and atomizes it to generate an aerosol. The power supply assembly provides power to the coil.
[0037] E-cigarette tanks are relatively small and cannot sustain aerosol production for extended periods, requiring users to add atomizing material via an external container. Existing e-cigarettes feature a reservoir that provides additional atomizing material to the tank. While the reservoir can be detached from the atomizer, some atomizing material leaks from either the reservoir's outlet or the tank's filling port when separated.
[0038] This application provides a self-sealing cap, such as Figure 1-4 As shown, the self-sealing cover 1 includes a cover body 10, a valve body 20, an elastic element 30, and a sealing element. The cover body 10 is provided with a stepped hole 13. One end of the valve body 20 passes through the stepped hole 13, so that a part of the valve body 20 is exposed on one side of the small hole 132. The valve body 20 is hollow inside. The valve body 20 has an opening on the side near the large hole 131 and an inlet 23 on the side near the small hole 132. The elastic element 30 connects the cover body 10 and the valve body 20. The sealing element is fixed on the side of the valve body 20 exposed in the small hole 132 and provides resistance to the movement of the valve body 20 toward the large hole 131.
[0039] like Figures 2 to 4 As shown, the cover 10 has a first side 11 and a second side 12 facing each other, and a wall connecting the first side 11 and the second side 12. The cover 10 has a stepped hole 13 that penetrates through the first side 11 and the second side 12, meaning the stepped hole 13 can connect to the first side 11 and the second side 12 of the cover 10. Preferably, the cover 10 is made of plastic or silicone. When the cover 10 is installed on a container as a sealing cap, the plastic or silicone material can withstand compression and deform, allowing the cover 10 to tighten and fit snugly onto the container.
[0040] See Figures 3 to 4As shown, the valve body 20 has a hollow structure. The valve body 20 has a first end 21 on the same side as the large hole 131, a second end 22 on the same side as the small hole 132, and a side connecting the first end 21 and the second end 22. The first end 21 of the valve body 20 has an opening that connects to the interior of the valve body 20. The second end 22 of the valve body 20 is closed, and the outer diameter of the second end 22 is less than or equal to the inner diameter of the small hole 132 of the stepped hole 13, so that the second end 22 of the valve body 20 can pass through the small hole 132 and a part of the valve body 20 structure can be exposed on one side of the small hole 132.
[0041] The valve body 20 has a protrusion 25 on its side near the first end 21. The protrusion 25 has an outer diameter larger than the inner diameter of the small hole 132 of the stepped hole 13. Near the second end 22, the side has grooves 24 for liquid inlets 23 connected to the interior of the valve body 20, i.e., the liquid inlets 23 are connected to the opening. Furthermore, multiple liquid inlets 23 are provided, arranged in a ring on the side. It is noteworthy that when a portion of the valve body 20 with an outer diameter smaller than or equal to the inner diameter of the small hole 132 passes through the small hole 132, the protrusion 25 on the side of the valve body 20 engages the portion of the valve body 20 larger than the inner diameter of the small hole 132 within the large hole 131 of the stepped hole 13.
[0042] like Figure 3 As shown, the second end 22 of the valve body 20 passes from the large hole 131 side of the stepped hole 13 to the small hole 132 side, and the groove 24 is exposed on the small hole 132 side. When the valve body 20 moves in the stepped hole 13, the liquid inlet 23 can be exposed from the small hole 132 side. The protrusion 25 can restrict the first end 21 in the large hole 131 when the valve body 20 moves towards the small hole 132 side of the stepped hole 13. It can be understood that when the valve body 20 moves towards the small hole 132 side until the liquid inlet 23 is exposed on the small hole 132 side, the valve body 20 can connect the first side 11 and the second side 12 of the cover 10; when the valve body 20 moves towards the large hole 131 side until the liquid inlet 23 is hidden in the stepped hole 13, the valve body 20 blocks the connection between the first side 11 and the second side 12 of the cover 10.
[0043] The first seal 40 is used to seal the gap between the valve body 20 and the cover 10. The first seal 40 has an outer diameter larger than the inner diameter of the small hole 132 inside the stepped hole 13. Figure 2 As shown, the first seal 40 is installed in the slot 24 and can engage the valve body 20 in the stepped hole 13. Specifically, when the valve body 20 moves towards the large hole 131 until the first seal 40 abuts against the cover 10, the liquid inlet 23 is concealed in the stepped hole 13. The first seal 40 essentially blocks the gap between the valve body 20 and the cover 10, preventing communication between the first side 11 and the second side 12 of the cover 10. Preferably, the first seal 40 is made of silicone or rubber material.
[0044] The elastic element 30 is connected between the valve body 20 and the cover 10. The elastic element 30 continuously provides a force to move the valve body 20 toward the large hole 131, so that when the first seal 40 abuts against the cover 10, it blocks the communication between the first side 11 and the second side 12 of the cover 10. Figure 3 As shown, the elastic element 30 is a spring, which is sleeved on the surface of the valve body 20. One end of the spring is connected to the protrusion 25 near the opening end of the valve body 20, and the other end of the spring is connected to the cover 10.
[0045] Understandably, during assembly of the self-sealing cap, the elastic element 30 is first fitted onto the valve body 20. Then, the second end 22 of the valve body 20 preferentially passes through the large hole 131 side of the stepped hole 13 and exits through the small hole 132 side, exposing the retaining groove 24. The first sealing element 40 is then installed in the retaining groove 24. The tension of the elastic element 30 causes the valve body 20 to move towards the large hole 131 side. The first sealing element 40 moves with the valve body 20 and abuts against the cap 10, preventing the valve body 20 from moving further. Alternatively, the elastic element 30 can be fitted onto the valve body 20 first, and the first sealing element 40 can be installed in the retaining groove 24. Then, the second end 22 of the valve body 20 passes through the cap 10 from the large hole 131 side. The first sealing element 40 can deform under the pressure of the small hole 132, and the second end 22 is forcefully forced through the small hole 132, exposing the first sealing element 40 on the small hole 132 side.
[0046] When the valve body 20 is driven by an external force to move toward the small hole 132, the spring is compressed, and the liquid inlet 23 of the valve body 20 is exposed on the small hole 132 side of the cover 10. The liquid inlet 23 connects the first side 11 and the second side 12 of the cover 10. When the external force driving the valve body 20 disappears, the valve body 20 moves toward the side closer to the large hole 131 under the action of the spring tension until the first sealing element 40 abuts against the cover 10, and the liquid inlet 23 is also hidden in the stepped hole 13. The connection between the first side 11 and the second side 12 of the cover 10 is blocked by the valve body 20 itself.
[0047] In some embodiments, the elastic element 30 may also be a material with shape self-restoring ability that supports the valve body 20 and the cover 10, such as a sheet or tube made of silicone, rubber, shape memory metal, etc.
[0048] Furthermore, the self-sealing cover 1 also includes a second sealing element 50. A mounting groove 26 is provided on the side of the valve body 20 near the first end 21. The second sealing element 50 is installed in the mounting groove 26, causing the valve body 20 to tighten and engage with the inner wall of the stepped hole 13. It is understood that the first sealing element 40 and the second sealing element 50 are located at opposite ends of the valve body 20, respectively. When the valve body 20 moves to either side of the stepped hole 13, the valve body 20 and either side of the cover 10 can be sealed by the sealing elements.
[0049] The self-sealing cap 1, as a sealing component, is typically fixed to the container. When the self-sealing cap serves as a connection between the container and an external component, the surface of the self-sealing cap 1 should form a seal with the external component. It is understood that the self-sealing cap 1 also includes a tensioning member 14, which is fixed to the wall of the self-sealing cap 1 and located on the wall near the opening of the self-sealing cap 1 or the liquid outlet of the container. When the self-sealing cap 1 is connected to an external component, the tensioning member 14 forms a tensioning fit with the external component.
[0050] Based on the self-sealing cap 1 in the above embodiments, this application also provides a liquid reservoir, which serves as a container for storing atomized matrix. The liquid reservoir includes a housing 60 and a self-sealing cap 1 fixed on the housing 60. A liquid storage chamber 601 for storing atomized matrix is defined inside the housing 60. An outlet 61 is provided on the housing 60 to communicate with the liquid storage chamber 601, and the self-sealing cap 1 is fixed at the outlet 61.
[0051] like Figures 5 to 7 As shown, a housing 60 has an internal liquid storage chamber 601. The housing 60 is provided with an outlet 61, which is connected to the liquid storage chamber 601. A self-sealing cover 1 is fixed at the outlet 61.
[0052] Based on the liquid reservoir in the above embodiments, this application also provides an electronic atomizer, which includes a main housing and the liquid reservoir in the above embodiments, wherein the liquid reservoir and the main housing are detachably connected.
[0053] The main housing has a mounting base on its surface, and a protruding pushing part on the mounting base. An oil reservoir is located inside the main housing, and the reservoir is detachably connected to the mounting base. After the reservoir is installed on the mounting base, the pushing part can push the valve body 20 to one side of the reservoir 601, and make the inlet 23 connect to the reservoir 601, thereby making the reservoir 601 connected to the oil reservoir. When the reservoir is separated from the main housing, the elastic member 30 supports the valve body 20 to move away from the reservoir, so that the first sealing member 40 abuts against the cover 10 to seal the gap between the valve body 20 and the reservoir 601. The inlet 23 is hidden in the stepped hole 13 as the valve body 20 moves.
[0054] Based on the self-sealing cap 1 in the above embodiments, this application also provides an electronic atomizer, which includes an oil tank and the self-sealing cap 1 in the above embodiments. The oil tank is provided with an oil filling port, and the self-sealing cap 1 is fixed at the oil filling port. The side of the cap 10 near the stepped hole 13 and the side near the small hole 132 is on the same side as the inner wall of the oil tank.
[0055] In the above embodiment, after the external injector is separated from the oil tank, the self-sealing cap 1 can promptly seal the oil inlet to seal the oil tank, preventing the atomized matrix inside the oil tank from spilling outside the oil tank. When the external injector is inserted into the oil inlet, the valve body 20 compresses the elastic element 30 under the drive of the injector, causing the valve body 20 to move towards the side closer to the small hole 132. The liquid inlet 23 will be exposed on the side of the small hole 132. The valve body 20 connects the oil tank and the injector, allowing the atomized matrix inside the injector to be injected into the oil tank.
[0056] The above description is only a part or preferred embodiment of this utility model. Neither the text nor the drawings should limit the scope of protection of this utility model. All equivalent structural transformations made using the content of this utility model specification and drawings under the overall concept of this utility model, or direct / indirect applications in other related technical fields, are included within the scope of protection of this utility model.
Claims
1. A self-sealing cap, characterized in that, include: The cover has opposing first and second sides and a stepped hole penetrating the first and second sides; A hollow valve body is movably disposed within the stepped hole. The valve body has a first end on the same side as the large hole of the stepped hole, a second end on the same side as the small hole of the stepped hole, and a side connecting the first end and the second end. The first end has an opening, and the side near the first end has a protrusion that can restrict the first end within the large hole of the stepped hole when the valve body moves toward the small hole side of the stepped hole. The side near the second end has a liquid inlet and a groove circumferentially disposed on the outer surface of the valve body. The liquid inlet communicates with the opening, and the groove is exposed on the small hole side of the stepped hole. The first sealing element has an outer diameter larger than the inner diameter of the small hole of the stepped hole. The first sealing element is installed in the slot and can lock the second end out of the stepped hole. An elastic element is sleeved on the valve body. One end of the elastic element is connected to the protrusion of the valve body, and the other end of the elastic element is connected to the cover. The elastic element provides a force for the valve body to move toward the larger hole of the stepped hole, and causes the first sealing element to abut against the cover, thereby hiding the liquid inlet in the stepped hole.
2. The self-sealing cap according to claim 1, characterized in that, The self-sealing cover also includes a second sealing element. A mounting groove is provided on the side of the cover near the first end. The second sealing element is installed in the mounting groove, and the second sealing element causes the valve body to be tightly fitted with the inner wall of the stepped hole.
3. The self-sealing cap according to claim 1, characterized in that, The outer diameter of the second end is less than or equal to the inner diameter of the small hole of the stepped hole.
4. The self-sealing cap according to claim 1, characterized in that, The liquid inlet is provided in multiple ways, and the multiple liquid inlets are distributed in a ring on the side.
5. The self-sealing cap according to claim 1, characterized in that, The self-sealing cover also includes a wall connecting the first side and the second side, the wall having an annular groove, and a tensioning member being engaged in the annular groove, the tensioning member being used to tighten the self-sealing cover with the external component.
6. The self-sealing cap according to claim 1, characterized in that, The cover is made of silicone or plastic material.
7. A liquid reservoir, characterized in that, The device includes a housing and a self-sealing cap as described in any one of claims 1-6. The housing has a liquid storage chamber inside, and the housing has an outlet communicating with the liquid storage chamber. The self-sealing cap is fixed at the outlet, and one end of the small hole of the stepped hole is located on the side close to the liquid storage chamber.
8. An electronic atomizer, characterized in that, The device includes a main housing and a liquid reservoir as described in claim 7. The surface of the main housing is provided with a mounting base, and the mounting base is provided with a protruding pushing part. An oil tank is provided inside the main housing, and the liquid reservoir is detachably connected to the mounting base. After the reservoir is installed on the mounting base, the pushing part can push the valve body to one side of the reservoir and make the inlet connect to the reservoir, thereby making the reservoir connect to the oil tank. After the liquid reservoir is separated from the main housing, the elastic element supports the valve body to move away from the liquid reservoir, so that the first sealing element abuts against the cover to seal the liquid reservoir cavity, thereby making the liquid inlet hidden in the stepped hole.
9. An electronic atomizer, characterized in that, The device includes an oil tank and a self-sealing cap as described in any one of claims 1-6. The oil tank is provided with an oil inlet, the self-sealing cap is fixed at the oil inlet, and the side of the cap body near the stepped hole is on the same side as the inner wall of the oil tank.