Atomization device, pressure release valve thereof and electronic cigarette

Abstract

The utility model provides an atomization device and a pressure release valve thereof and an electronic cigarette, the atomization device comprises an oil cup support and an oil storage bin, the bottom of the oil storage bin is connected with the oil cup support, the bottom of the oil storage bin is provided with an oil outlet hole, the oil cup support is provided with an oil inlet hole, the oil outlet hole is communicated with the oil inlet hole, and the oil outlet hole is communicated with the oil storage bin. The pressure release valve of the atomization device comprises an air inlet groove located in the side wall of the oil cup support, the upper end of the air inlet groove is communicated with the oil inlet hole, and the air inlet groove is communicated with the outside and used for air inlet. One side or two sides of the air inlet groove are provided with oil storage grooves for liquid in the air inlet groove to flow in, and the oil storage grooves are communicated with the air inlet groove. According to the technical scheme, pressure relief can be achieved, meanwhile, the better oil leakage prevention effect can be achieved, the taste is not affected, a user can use the pressure relief valve comfortably, and the better experience feeling is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of atomizers, and in particular to an atomizer device and a pressure relief valve thereof, and an electronic cigarette. Background Art

[0002] For the disposable ceramic core electronic cigarette products on the market, when the oil in the oil storage tank is consumed, the oil cavity will form a negative pressure state. If the air is not vented or the air is not vented enough, the air pressure inside and outside cannot be balanced, and the oil cannot be fully guided to contact the heating module, which will cause the oil to enter the ceramic atomization amount insufficiently, resulting in insufficient smoke saturation and even a burnt smell, affecting the taste and the consumer experience. Most of the existing solutions currently use vertical air venting grooves. This solution will cause a small amount of oil to overflow (leak) due to continuous pressure release during use, affecting the user experience. Utility Model Content

[0003] In view of the above technical problems, the utility model discloses an atomizing device and a pressure relief valve thereof, and an electronic cigarette, which can achieve pressure relief and prevent oil leakage.

[0004] To this end, the technical solution of the utility model is:

[0005] A pressure relief valve for an atomizing device, the atomizing device comprising an oil cup bracket and an oil storage bin, the bottom of the oil storage bin being connected to the oil cup bracket, the bottom of the oil storage bin being provided with an oil outlet hole, the oil cup bracket being provided with an oil inlet hole, the oil outlet hole being communicated with the oil inlet hole, the pressure relief valve for the atomizing device comprising an air inlet groove on the side wall of the oil cup bracket, the upper end of the air inlet groove being communicated with the oil inlet hole, the air inlet groove being communicated with the outside for air intake; one side or both sides of the air inlet groove being provided with an oil storage groove for liquid in the air inlet groove to flow into, the oil storage groove being communicated with the air inlet groove.

[0006] With this technical solution, the oil storage tank is aired through the air intake groove to achieve pressure relief and balance the internal and external pressures, and a connected oil storage groove is provided on one or both sides of the air intake groove. While air is being taken in, if the liquid in the oil storage tank enters the air intake groove, under the action of the airflow, the liquid will flow into the oil storage groove along the inner wall of the air intake groove instead of flowing out of the air intake groove, thereby achieving a good oil leakage prevention effect.

[0007] As a further improvement of the utility model, the oil storage groove is a U-shaped groove, a bucket groove or an annular groove.

[0008] As a further improvement of the utility model, the outline of the oil storage tank is in the shape of a water drop.

[0009] As a further improvement of the utility model, the air inlet groove is arranged obliquely relative to the axis of the oil cup bracket. This technical solution has a better effect of preventing oil leakage.

[0010] As a further improvement of the present invention, the angle between the axis of the air intake groove and the oil cup bracket is 0-60 degrees. Furthermore, the angle between the axis of the air intake groove and the oil cup bracket is 5-60 degrees.

[0011] As a further improvement of the present invention, there are multiple oil storage grooves, which are distributed in sequence on both sides of the air intake groove.

[0012] As a further improvement of the utility model, an air inlet notch is provided on the top of the oil cup bracket, and the air inlet notch is connected with the air inlet groove and the oil inlet hole. Further, the width of the air inlet notch is 0.2-0.5mm, and the depth is 0.05-0.1mm.

[0013] As a further improvement of the utility model, the width of the air intake groove is 0.2-0.5 mm, the depth of the oil storage groove is 0.05-0.1 mm, and the width is 0.2 mm.

[0014] As a further improvement of the present invention, the number of the air intake grooves is two, which are symmetrically distributed on the side wall of the oil cup bracket.

[0015] As a further improvement of the present invention, the lower end of the air intake groove is used to communicate with the outside for air intake.

[0016] The utility model discloses an atomizing device, which comprises a shell, a suction nozzle is arranged on the top of the shell, an oil storage bin and an oil cup bracket are arranged in the shell, the bottom of the oil storage bin is connected to the oil cup bracket, an oil outlet hole is arranged at the bottom of the oil storage bin, the oil cup bracket is provided with an air inlet hole, an oil inlet hole and an air outlet, an atomizing chamber is arranged in the oil cup bracket, a heating module is arranged in the atomizing chamber, the oil outlet hole is communicated with the oil inlet hole, the air inlet hole, the oil inlet hole and the air outlet are communicated with the atomizing chamber, an air outlet channel is arranged in the middle of the oil storage bin, and the air outlet is communicated with the airway of the suction nozzle through the air outlet channel; the oil cup bracket is provided with a pressure relief valve of the atomizing device as described above.

[0017] As a further improvement of the utility model, the air outlet is located in the middle of the oil cup bracket, and the oil inlet is located outside the air outlet.

[0018] As a further improvement of the present invention, the heating module is a ceramic heating core.

[0019] As a further improvement of the utility model, the oil storage tank is connected to the oil cup bracket through a sealing component. Further, the sealing component is a sealing ring.

[0020] As a further improvement of the present invention, the lower end of the air intake groove is communicated with the gap in the shell for air intake.

[0021] The utility model discloses an electronic cigarette, which comprises the above-mentioned atomization device, a battery and a control board, wherein the heating module is electrically connected to the control board, and the control board is electrically connected to the battery.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] According to the technical solution of the utility model, when the smoke oil in the oil storage bin is consumed, air is introduced into the internal oil storage bin from the outside through the pressure relief valve, so that the pressure inside and outside are consistent, and the oil can be smoothly guided to the heating module for sufficient atomization, and there will be no functional problems in the long battery life; and by arranging an oil storage groove next to the air intake groove, the smoke oil can be prevented from leaking out of the shell, which has a better anti-leakage effect, does not affect the taste, and the user is comfortable to use with a better experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of a pressure relief valve of an atomizing device in Example 1 of the utility model.

[0025] Figure 2 It is a side structural schematic diagram of a pressure relief valve of an atomizing device in Example 1 of the utility model.

[0026] Figure 3 It is a top view of the oil cup bracket of Example 1 of the utility model.

[0027] Figure 4 It is a schematic structural diagram of the atomizing device of Example 2 of the utility model.

[0028] Figure 5 It is a cross-sectional schematic diagram of the atomizing device of Example 2 of the present utility model.

[0029] Figure 6 This is a schematic diagram of the exploded structure of an electronic cigarette according to Embodiment 3 of the present utility model.

[0030] Reference numerals include:

[0031] 1-shell, 2-oil cup bracket, 3-oil storage bin, 4-suction nozzle, 5-sealing component, 6-atomizing chamber, 7-heating module, 8-oil absorbing cotton, 9-sealing silica gel, 10-elastic needle, 11-battery, 12-air outlet channel, 13-battery bracket;

[0032] 21 - air inlet groove, 22 - oil storage groove, 23 - air inlet notch, 24 - oil inlet hole, 25 - air outlet. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0034] Example 1

[0035] like Figure 1 to Figure 3 As shown, a pressure relief valve of an atomizing device, the atomizing device comprises an oil cup bracket 2 and an oil storage bin 3, the bottom of the oil storage bin 3 is connected to the oil cup bracket 2, the bottom of the oil storage bin 3 is provided with an oil outlet hole, the oil cup bracket 2 is provided with an oil inlet hole 24, the oil outlet hole is communicated with the oil inlet hole 24, the pressure relief valve of the atomizing device comprises an air inlet groove 21 located on the side wall of the oil cup bracket 2, the upper end of the air inlet groove 21 is communicated with the oil inlet hole 24, the air inlet groove 21 is communicated with the outside for air intake; an oil storage groove 22 for liquid in the air inlet groove 21 to flow into is provided next to the air inlet groove 21, the oil storage groove 22 is communicated with the air inlet groove 21, and the oil storage groove 22 is multiple and sequentially distributed on both sides of the air inlet groove 21. The number of the air inlet grooves 21 is two, which are symmetrically distributed on the side wall of the oil cup bracket 2.

[0036] The oil storage groove 22 is a U-shaped groove, a bucket groove or an annular groove. Further, the outline of the oil storage groove 22 is a water drop shape.

[0037] Furthermore, the air intake groove 21 is tilted relative to the axis of the oil cup bracket 2 . Furthermore, the air intake groove 21 and the axis of the oil cup bracket 2 are at an angle of 5-60 degrees.

[0038] The top of the oil cup bracket 2 is provided with an air inlet notch 23, which is connected to the air inlet groove 21 and the oil inlet hole 24. Further, the width of the air inlet notch 23 is 0.2-0.5mm, and the depth is 0.05-0.1mm. The width of the air inlet groove 21 is 0.2-0.5mm, and the depth of the oil storage groove 22 is 0.05-0.1mm, and the width is 0.1-0.5mm.

[0039] Example 2

[0040] like Figure 4 and Figure 5As shown, an atomization device comprises a shell 1, a suction nozzle 4 is provided on the top of the shell 1, an oil storage bin 3 and an oil cup bracket 2 are provided in the shell 1, the bottom of the oil storage bin 3 is connected to the oil cup bracket 2 through a sealing member 5, an oil outlet hole is provided at the bottom of the oil storage bin 3, the oil cup bracket 2 is provided with an air inlet hole, an oil inlet hole 24 and an air outlet 25, an atomization chamber 6 is provided in the oil cup bracket 2, a heating module 7 and oil-absorbing cotton 8 are provided in the atomization chamber 6, the oil outlet hole is communicated with the oil inlet hole 24, the air inlet hole, the oil inlet hole 24 and the air outlet 25 are communicated with the atomization chamber 6, an air outlet channel 12 is provided in the middle of the oil storage bin 3, and the air outlet 25 is communicated with the airway of the suction nozzle 4 through the air outlet channel 12; the oil cup bracket 2 is provided with a pressure relief valve of the atomization device as described in Example 1; the lower end of the air inlet groove 21 is communicated with the gap in the shell 1, and the gap is communicated with the outside of the shell 1 for air intake.

[0041] The air outlet 25 is located in the middle of the oil cup bracket 2, and the oil inlet 24 is located outside the air outlet 25. The heating module 7 is a ceramic heating core.

[0042] By adopting the technical solution of this embodiment, the liquid in the oil storage tank 3 enters the atomization chamber 6 through the oil outlet hole at the bottom and the oil inlet hole 24 of the oil cup bracket 2, and is atomized by contacting the heating module 7. The atomized smoke is discharged through the air outlet 25 and enters the suction nozzle 4 through the air outlet channel 12. When the liquid in the oil storage tank 3 is consumed, air is taken in through the air inlet groove 21 to achieve pressure relief, so that the internal and external pressures are balanced, and the liquid can be smoothly introduced into the atomization chamber 6 and contact the heating module 7 to achieve full atomization. Under continuous pressure relief, if a small amount of liquid overflows and enters the air inlet groove 21, it will flow into the oil storage tank 22 instead of flowing out of the air inlet groove 21, and the oil leakage prevention effect is good.

[0043] Example 3

[0044] An electronic cigarette comprises the atomizing device as described in Example 2, a battery 11 and a control board, wherein the battery 11 is located on a battery bracket 13, the heating module 7 is electrically connected to the control board, and the control board is electrically connected to the battery 11. Furthermore, the bottom of the atomizing device is connected to the battery bracket 13 through a sealing silicone 9, the heating module 7 is electrically connected to one end of a spring pin 10 extending into the sealing silicone 9, and the other end of the spring pin 10 is electrically connected to the control board.

[0045] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are orientations or positional relationships based on the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0047] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0048] The specific implementation methods described above are preferred implementation methods of the present utility model, and are not intended to limit the specific implementation scope of the present utility model. The scope of the present utility model includes but is not limited to the specific implementation methods. All equivalent changes made in accordance with the shape and structure of the present utility model are within the protection scope of the present utility model.

Claims

1. A pressure relief valve for an atomizing device, the atomizing device comprising an oil cup bracket and an oil storage tank, the bottom of the oil storage tank being connected to the oil cup bracket, the bottom of the oil storage tank being provided with an oil outlet hole, the oil cup bracket being provided with an oil inlet hole, the oil outlet hole being connected to the oil inlet hole, characterized in that: The pressure relief valve of the atomization device includes an air intake groove located on the side wall of the oil cup bracket, the upper end of the air intake groove is connected to the oil inlet hole, and the air intake groove is connected to the outside for air intake; one side or both sides of the air intake groove are provided with an oil storage groove for the liquid in the air intake groove to flow into, and the oil storage groove is connected to the air intake groove.

2. The pressure relief valve of the atomizing device according to claim 1, characterized in that: The oil storage groove is a U-shaped groove, a bucket groove or an annular groove.

3. The pressure relief valve of the atomizing device according to claim 2, characterized in that: The axis line of the air intake groove and the oil cup bracket is 5-60 degrees.

4. The pressure relief valve of the atomizing device according to claim 3, characterized in that: There are multiple oil storage grooves, which are distributed in sequence on both sides of the air intake groove.

5. The pressure relief valve of the atomizing device according to any one of claims 1 to 4, characterized in that: An air intake notch is provided on the top of the oil cup bracket, and the air intake notch is connected to the air intake groove and the oil inlet hole. The width of the air intake notch is 0.2-0.5mm and the depth is 0.05-0.1mm; the width of the air intake groove is 0.2-0.5mm, and the depth of the oil storage groove is 0.05-0.1mm and the width is 0.1-0.5mm.

6. The pressure relief valve of the atomizing device according to claim 5, characterized in that: The number of the air intake grooves is two, which are symmetrically distributed on the side wall of the oil cup bracket.

7. An atomizing device, characterized in that: It includes a shell, a suction nozzle is provided on the top of the shell, an oil storage bin and an oil cup bracket are provided in the shell, the bottom of the oil storage bin is connected to the oil cup bracket, an oil outlet hole is provided at the bottom of the oil storage bin, the oil cup bracket is provided with an air inlet hole, an oil inlet hole and an air outlet, an atomization chamber is provided in the oil cup bracket, a heating module is provided in the atomization chamber, the oil outlet hole is communicated with the oil inlet hole, the air inlet hole, the oil inlet hole and the air outlet are communicated with the atomization chamber, an air outlet channel is provided in the middle of the oil storage bin, and the air outlet is communicated with the airway of the suction nozzle through the air outlet channel; the oil cup bracket is provided with a pressure relief valve of the atomization device according to any one of claims 1 to 6.

8. The atomizing device according to claim 7, characterized in that: The air outlet is located in the middle of the oil cup bracket, and the oil inlet is located outside the air outlet.

9. The atomizing device according to claim 7, characterized in that: The heating module is a ceramic heating core.

10. An electronic cigarette, characterized in that: It comprises the atomizing device according to any one of claims 7 to 9, a battery and a control board, the heating module is electrically connected to the control board, and the control board is electrically connected to the battery.

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