Oil filling device of electronic cigarette oil nozzle
By designing the sealing mechanism and capping rubber pad structure in the oil filling device of the electronic cigarette e-liquid nozzle, the problem of oil flow in the oil injection head is solved, and the sealing effect after oil filling is achieved, avoiding waste of e-liquid and improving the practicality of the device.
Patent Information
- Application Number
- CN202421832229.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing electronic cigarette e-liquid oil filling device is connected to the oil storage device after the oil filling head is filled, resulting in the problem of waste of e-liquid.
An oil filling device including a sealing mechanism is designed. The piston rod pushes the piston downward to move the blocking plate downward to guide oil. After the oil filling is completed, the piston rod pulls back. The blocking plate is moved upward under the action of the spring to achieve double sealing to avoid oil flow; and a cap and rubber pad are provided on the oil injection head for additional sealing.
It effectively avoids the loss of e-liquid when the oil-filling device is not in use, improves the practicality of the oil-filling device, and prevents the waste of e-liquid.
Smart Images

Figure CN223068005U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of oil filling devices, in particular to an oil filling device for an e-cigarette oil nozzle. Background Technique
[0002] An e-cigarette mainly consists of four parts: e-liquid (containing nicotine, flavor, solvent propylene glycol, etc.), a heating system, a power source, and a filter tip. It generates an aerosol with a specific smell through heating and atomization for smokers to use. At the same time, after the e-liquid inside is used up, the inside of the e-cigarette needs to be refilled with oil.
[0003] After the existing oil filling device for an e-cigarette oil nozzle finishes filling oil, since the oil injection head of the oil filling device is in a continuously connected state with the oil storage device, a small amount of oil leakage occurs at the oil injection head when it is not in use, resulting in waste of e-liquid. Therefore, an oil filling device for an e-cigarette oil nozzle is proposed to solve the above problems. Content of the Utility Model
[0004] The purpose of the utility model is to provide an oil filling device for an e-cigarette oil nozzle to achieve the purpose of solving the above problems.
[0005] To achieve the above purpose, the utility model provides the following technical solution: An oil filling device for an e-cigarette oil nozzle, including an oil barrel, a piston is arranged inside the oil barrel, a piston rod is fixedly installed on the piston, a sealing mechanism is arranged at the lower end of the oil barrel, and an oil injection head is arranged below the sealing mechanism;
[0006] The sealing mechanism includes a sealing seat and a limiting ring. The limiting ring is fixedly installed inside the sealing seat. A fixing frame is fixedly installed inside the sealing seat. A guide rod is inserted on the fixing frame. A spring is sleeved on the guide rod. A plug plate is fixedly installed at the upper end of the guide rod. A sealing plate is fixedly installed at the lower end of the guide rod. An oil guiding groove is opened on the inner wall of the sealing seat. A sealing ring is fixedly installed on the upper surface of the plug plate.
[0007] Preferably, a sealing groove is opened at the bottom of the limiting ring, and the sealing ring is inserted inside the sealing groove. An oil port is opened at the bottom of the oil barrel. The sealing between the limiting ring and the plug plate can be improved through the settings of the sealing ring and the sealing groove.
[0008] Preferably, the sealing seat is fixedly installed at the bottom of the oil barrel. A spring groove is opened on the upper surface of the fixing frame. The lower end of the spring is arranged inside the spring groove. The spring can be limited through the setting of the spring groove.
[0009] Preferably, an end cap is fixedly installed at the upper end of the oil barrel, the oil injection head is fixedly installed at the bottom of the sealing seat, the number of oil guiding grooves is eight, and the eight oil guiding grooves are equidistantly arranged on the inner wall of the sealing seat. The oil guiding grooves can facilitate the oil guiding function of the oil.
[0010] Preferably, a sealing cover is threadedly connected to the sealing seat, and a rubber pad is adhesively bonded to the inner bottom wall of the sealing cover. The sealing seat and the rubber pad can seal the oil injection head.
[0011] Preferably, an external thread is provided on the outer wall of the sealing seat, and a thread groove is provided at the upper end of the inner wall of the sealing cover. The external thread and the thread groove can facilitate the threaded connection of the sealing cover to the sealing seat.
[0012] The utility model provides an oil filling device for an e-cigarette oil nozzle. It has the following beneficial effects:
[0013] (1). By pressing the piston rod to push the piston downward, the plug plate of the intelligent sealing mechanism moves downward under the downward pressure of the e-cigarette oil. At this time, the e-cigarette oil can enter the oil injection head through the oil guiding grooves, and the oil nozzle can be filled with oil. However, after the oil filling is completed, the piston rod can be pulled back, and the plug plate moves upward under the action of the spring, so that the plug plate and the sealing plate respectively abut against the bottom of the limiting ring and the fixing frame, realizing the double-layer sealing function, avoiding the problem of oil leakage from the oil injection head when the oil filling device is not in use, and avoiding the waste of e-cigarette oil.
[0014] (2). By providing a sealing cover and a rubber pad on the oil injection head, the oil injection head can be sealed, avoiding the problem of oil leakage from the oil injection head when the piston rod is accidentally pressed, and further improving the practicability of the oil filling device. Description of the Drawings
[0015] The drawings are used to provide a further understanding of the utility model and constitute a part of the specification. They are used together with the embodiments of the utility model to explain the utility model, but do not constitute a limitation to the utility model. In the drawings:
[0016] Figure 1 is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 is a schematic sectional structure diagram of the utility model;
[0018] Figure 3 is a schematic diagram of the structure of the sealing mechanism of the utility model;
[0019] Figure 4 is a schematic diagram of the structure of the sealing cover of the utility model;
[0020] Figure 5This is a schematic cross-sectional structure diagram of the cover of the present utility model.
[0021] In the figure: 1, oil barrel; 2, sealing mechanism; 201, sealing seat; 202, limiting ring; 203, fixing bracket; 204, plugging plate; 205, spring groove; 206, guide rod; 207, spring; 208, oil guiding groove; 209, sealing groove; 210, sealing ring; 211, sealing plate; 3, oil filling head; 4, oil port; 5, end cover; 6, piston; 7, piston rod; 8, cover; 9, rubber pad; 10, external thread; 11, thread groove. Specific implementation mode
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0023] Embodiment 1:
[0024] As Figures 1-3 shown, the present utility model provides a technical solution: an oil filling device for an e-cigarette oil nozzle, including an oil barrel 1, a piston 6 is arranged inside the oil barrel 1, a piston rod 7 is fixedly installed on the piston 6, a sealing mechanism 2 is arranged at the lower end of the oil barrel 1, and an oil filling head 3 is arranged below the sealing mechanism 2;
[0025] The sealing mechanism 2 includes a sealing seat 201 and a limiting ring 202. The limiting ring 202 is fixedly installed inside the sealing seat 201. A fixing bracket 203 is fixedly installed inside the sealing seat 201. A guide rod 206 is inserted on the fixing bracket 203. A spring 207 is sleeved on the guide rod 206. A plugging plate 204 is fixedly installed at the upper end of the guide rod 206. A sealing plate 211 is fixedly installed at the lower end of the guide rod 206. An oil guiding groove 208 is formed on the inner wall of the sealing seat 201. A sealing ring 210 is fixedly installed on the upper surface of the plugging plate 204.
[0026] A sealing groove 209 is formed at the bottom of the limiting ring 202. The sealing ring 210 is inserted inside the sealing groove 209. An oil port 4 is formed at the bottom of the oil barrel 1. The sealing between the limiting ring 202 and the plugging plate 204 can be improved through the arrangement of the sealing ring 210 and the sealing groove 209.
[0027] The sealing seat 201 is fixedly installed at the bottom of the oil barrel 1. A spring groove 205 is formed on the upper surface of the fixing bracket 203. The lower end of the spring 207 is arranged inside the spring groove 205. The spring 207 can be limited through the arrangement of the spring groove 205.
[0028] The upper end of the oil barrel 1 is fixedly installed with an end cover 5. The oil filling head 3 is fixedly installed at the bottom of the sealing seat 201. The number of oil guiding grooves 208 is eight, and the eight oil guiding grooves 208 are equally spaced on the inner wall of the sealing seat 201. The oil guiding function of the oil can be facilitated through the setting of the oil guiding grooves 208.
[0029] In this embodiment, by pressing the piston rod 7 to push the piston 6 to move downward, the blocking plate 204 of the intelligent sealing mechanism 2 moves downward under the downward pressure of the e-liquid. At this time, the e-liquid can enter the oil filling head 3 through the oil guiding grooves 208, and the cigarette holder can be filled with oil. However, after the oil filling is completed, the piston rod 7 can be pulled back. The blocking plate 204 moves upward under the action of the spring 207, so that the blocking plate 204 and the sealing plate 211 respectively abut against the bottom of the limiting ring 202 and the fixing bracket 203, realizing the double-layer sealing function, avoiding the problem of oil flowing out of the oil filling head 3 when the oil filling device is not in use, and avoiding the waste of e-liquid.
[0030] Embodiment Two:
[0031] As Figures 4-5 shown, on the basis of Embodiment One, the present utility model provides a technical solution: A cover 8 is threadedly connected to the sealing seat 201. A rubber pad 9 is adhered to the inner bottom wall of the cover 8. The oil filling head 3 can be sealed through the setting of the sealing seat 201 and the rubber pad 9.
[0032] An external thread 10 is provided on the outer wall of the sealing seat 201, and a thread groove 11 is provided at the upper end of the inner wall of the cover 8. The cover 8 can be conveniently threadedly connected to the sealing seat 201 through the setting of the external thread 10 and the thread groove 11.
[0033] In this embodiment, by providing the cover 8 and the rubber pad 9 on the oil filling head 3, the oil filling head 3 can be sealed, avoiding the problem of oil flowing out of the oil filling head 3 when the piston rod 7 is accidentally pressed, and further improving the practicability of the oil filling device.
[0034] During use, by pressing the piston rod 7 to push the piston 6 to move downward, the blocking plate 204 of the intelligent sealing mechanism 2 moves downward under the downward pressure of the e-liquid. At this time, the e-liquid can enter the oil filling head 3 through the oil guiding grooves 208, and the cigarette holder can be filled with oil. However, after the oil filling is completed, the piston rod 7 can be pulled back. The blocking plate 204 moves upward under the action of the spring 207, so that the blocking plate 204 and the sealing plate 211 respectively abut against the bottom of the limiting ring 202 and the fixing bracket 203, realizing the double-layer sealing function, avoiding the problem of oil flowing out of the oil filling head 3 when the oil filling device is not in use, and avoiding the waste of e-liquid; by providing the cover 8 and the rubber pad 9 on the oil filling head 3, the oil filling head 3 can be sealed, avoiding the problem of oil flowing out of the oil filling head 3 when the piston rod 7 is accidentally pressed, and further improving the practicability of the oil filling device.
[0035] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An oil filling device for an e-cigarette mouthpiece, comprising an oil barrel (1), characterized in that: Inside the oil barrel (1), a piston (6) is provided. A piston rod (7) is fixedly installed on the piston (6). At the lower end of the oil barrel (1), a sealing mechanism (2) is provided. Below the sealing mechanism (2), an oil injection nozzle (3) is provided. The sealing mechanism (2) includes a sealing seat (201) and a limiting ring (202). The limiting ring (202) is fixedly installed inside the sealing seat (201). A fixing frame (203) is fixedly installed inside the sealing seat (201). A guide rod (206) is inserted into the fixing frame (203). A spring (207) is sleeved on the guide rod (206). A plug plate (204) is fixedly installed at the upper end of the guide rod (206). A sealing plate (211) is fixedly installed at the lower end of the guide rod (206). An oil guide groove (208) is formed on the inner wall of the sealing seat (201). A sealing ring (210) is fixedly installed on the upper surface of the plug plate (204).
2. The oil filling device for an e-cigarette mouthpiece according to claim 1, characterized in that: At the bottom of the limiting ring (202), a sealing groove (209) is formed. The sealing ring (210) is inserted into the sealing groove (209). An oil port (4) is formed at the bottom of the oil barrel (1).
3. The oil filling device for an e-cigarette mouthpiece according to claim 1, characterized in that: The sealing seat (201) is fixedly installed at the bottom of the oil barrel (1). A spring groove (205) is formed on the upper surface of the fixing frame (203). The lower end of the spring (207) is arranged inside the spring groove (205).
4. An oil filling device for an e-cigarette mouthpiece according to claim 1, characterized in that: An end cover (5) is fixedly installed at the upper end of the oil barrel (1). The oil injection nozzle (3) is fixedly installed at the bottom of the sealing seat (201). The number of the oil guide grooves (208) is eight, and the eight oil guide grooves (208) are equidistantly formed on the inner wall of the sealing seat (201).
5. The oil filling device for an e-cigarette mouthpiece according to claim 1, characterized in that: A sealing cover (8) is threadedly connected to the sealing seat (201). A rubber pad (9) is bonded to the inner bottom wall of the sealing cover (8).
6. The oil filling device for an electronic cigarette mouthpiece according to claim 5, characterized in that: External threads (10) are formed on the outer wall of the sealing seat (201). Thread grooves (11) are formed at the upper end of the inner wall of the sealing cover (8).