Negative pressure liquid feeding atomization device

Abstract

The utility model discloses a negative-pressure liquid feeding atomization device, which belongs to the technical field of atomization and comprises an outer shell and a driving component, and a cover cap is rotatably mounted at the top of the outer shell. A liquid storage tank and an atomization cavity are arranged in the outer shell; a liquid feeding one-way valve and an air return one-way valve are arranged at the communication part of the liquid storage tank and the atomization cavity; a gas-liquid separation membrane is arranged at the inlet end of the gas return one-way valve; the inlet end of the liquid feeding one-way valve is connected with a liquid guide pipe; a glue film hole is formed in the cavity wall of the liquid storage tank, and a silica gel film is mounted in the glue film hole; the driving assembly drives the cap to be opened and presses the silica gel mold at the same time, so that liquid in the liquid storage tank enters the atomization cavity under the action of air pressure. After the cap is opened, liquid in the liquid storage tank enters the atomization cavity under the driving of the driving assembly, quantitative atomization of the atomization device is facilitated, pollution is reduced, and backflow and leakage of atomized liquid are avoided; after the cap covers the liquid storage tank, gas enters the liquid storage tank through the gas-liquid separation membrane and the gas return one-way valve, and gas pressure balance is recovered for recycling.

Description

Technical Field

[0001] The utility model relates to the technical field of atomization, in particular to an atomization device with negative pressure for liquid supply. Background Technique

[0002] Existing atomization products, such as electronic cigarettes and electronic oral sprays, all use cotton swabs, sponge rods, etc. to supply the atomization liquid stored at the bottom to the atomization cavity for atomization. The disadvantages of the above operations are as follows: The atomization liquid will be soaked with drainage media such as cotton swabs for a long time in advance, which will cause pollution of the atomization liquid and cannot well control the amount of atomization liquid in the atomization cavity. Currently, there is also a method that can solve the problem of supplying the liquid below to the top atomization cavity without using drainage media such as cotton swabs, that is, by inverting the product so that the atomization liquid flows into the top atomization cavity. This method is prone to liquid leakage of the atomization liquid, and there are also problems of troublesome operation and backflow of the atomization liquid when the product is placed upright. To solve the above problems, the utility model provides an atomization device with negative pressure for liquid supply. Summary of the Utility Model

[0003] Aiming at the above existing technical deficiencies, the purpose of the utility model is to provide an atomization device with negative pressure for liquid supply. By setting a liquid storage tank, an atomization cavity and a driving component, it realizes that the liquid enters the atomization cavity for atomization while the cap is opened, avoids liquid pollution and backflow, and solves the technical problems proposed in the background technique.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions: The utility model provides an atomization device with negative pressure for liquid supply, including: a housing body with a cap rotatably installed at the top and a driving component; a liquid storage tank and an atomization cavity are sequentially arranged in the housing body from bottom to top; a liquid supply one-way valve and a gas return one-way valve are arranged at the connection between the liquid storage tank and the atomization cavity; a gas-liquid separation membrane is arranged at the inlet end of the gas return one-way valve; a liquid guide pipe is connected to the inlet end of the liquid supply one-way valve; a mist outlet is arranged at the top end of the atomization cavity; an atomization device is arranged in the atomization cavity.

[0005] The cavity wall of the liquid storage tank is provided with a rubber film hole and a silica gel mold is installed in the rubber film hole; the driving component drives to open the cap and presses the silica gel mold at the same time, so that the liquid in the liquid storage tank enters the atomization cavity under the action of air pressure.

[0006] Preferably, the driving component includes an inclined push rod and a rotating dial; the rotating dial is installed at one end of the outer side of the cap; an inclined sliding hole is opened on one side of the housing body, and the low end of the inclined sliding hole corresponds to the position of the silica gel mold; the inclined push rod is slidably installed in the inclined sliding hole; when the cap rotates, the rotating dial presses down the inclined push rod, and then the bottom end of the inclined push rod presses the silica gel mold.

[0007] Preferably, a vertical portion is integrally provided at the upper end of the inclined push rod; when the cap rotates, the rotating block presses the vertical portion.

[0008] Preferably, a vertical sliding groove communicating with the inclined sliding hole is formed on the side surface of the outer housing; the vertical portion is slidably installed in the vertical sliding groove.

[0009] Preferably, a hinge portion is provided on one side inside the cap, and the hinge portion is rotatably installed between the two side walls of the vertical sliding groove; the rotating block is integrally installed at the lower part outside the hinge portion.

[0010] Preferably, an installation groove is formed on the side wall of the lower part of the outer housing; the liquid storage tank is installed in the installation groove.

[0011] Preferably, two communication pipes are provided at the bottom of the atomization chamber, and the communication pipes communicate with the liquid storage tank; the upper liquid one-way valve and the air return one-way valve are respectively installed at the ends of the two communication pipes.

[0012] The beneficial effects of the present utility model are as follows:

[0013] After the cap of the present utility model is opened, the rotating block presses the inclined push rod to move downward, thereby squeezing the silica gel mold, so that the liquid in the liquid storage tank enters the atomization chamber, facilitating quantitative atomization of the atomization device, reducing pollution, and avoiding backflow and leakage of the atomized liquid; when the cap is closed, the gas enters the liquid storage tank through the gas-liquid separation membrane and the air return one-way valve to restore the air pressure balance for recycling. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of an atomization device with negative pressure upper liquid provided by the present utility model.

[0016] Figure 2 It is Figure 1 the front view of

[0017] Figure 3 It is Figure 1 the rear view of

[0018] Figure 4 It is Figure 2 the sectional view taken along A-A in

[0019] Figure 5This is a schematic structural view of the present utility model without the cap installed.

[0020] Figure 6 This is a schematic structural view of the present utility model with the cap opened.

[0021] Figure 7 is Figure 6 vertical sectional view of.

[0022] Explanation of reference numerals: 1 - outer housing, 11 - inclined sliding hole, 12 - vertical sliding groove, 13 - mounting groove, 2 - cap, 21 - hinge portion, 3 - liquid storage tank, 31 - silica gel mold, 4 - atomization chamber, 41 - liquid inlet check valve, 411 - liquid guide pipe, 42 - gas return check valve, 421 - gas-liquid separation membrane, 43 - mist outlet, 44 - connecting pipe, 51 - inclined push rod, 511 - vertical portion, 52 - rotating dial. Detailed implementation manners

[0023] 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1:

[0025] As Figures 1 to 7 shown, this embodiment provides an atomization device with negative pressure liquid supply, including: an outer housing 1 rotatably installed with a cap 2 at the top and a driving component; a liquid storage tank 3 and an atomization chamber 4 are sequentially arranged in the outer housing 1 from bottom to top; the liquid storage tank 3 here can be a cavity integrally formed with the outer housing 1, with a structure similar to that of the atomization chamber 4; or it can be a detachable closed container. A liquid inlet check valve 41 and a gas return check valve 42 are arranged at the connection between the liquid storage tank 3 and the atomization chamber 4; a gas-liquid separation membrane 421 is arranged at the inlet end of the gas return check valve 42; a liquid guide pipe 411 is connected to the inlet end of the liquid inlet check valve 41; a mist outlet 43 is arranged at the top end of the atomization chamber 4; it is realized that the atomized liquid in the liquid storage tank 3 flows unidirectionally through the liquid guide pipe 411 into the atomization chamber 4 and the atomized liquid will not flow back into the liquid storage tank 3, and at the same time, it is ensured that the gas can effectively flow into the liquid storage tank 3 to maintain balance with the external atmospheric pressure; specifically, two connecting pipes 44 are arranged at the bottom of the atomization chamber 4 and the connecting pipes 44 are connected to the liquid storage tank 3; the liquid inlet check valve 41 and the gas return check valve 42 are respectively installed at the ends of the two connecting pipes 44. An atomization device is arranged in the atomization chamber 4, and the atomization device here realizes atomization of the atomized liquid in the atomization chamber 4, which is prior art and will not be elaborated here.

[0026] The cavity wall of the liquid storage tank 3 is provided with a glue film hole, and a silica gel mold 31 is installed in the glue film hole; the driving component drives to open the cap 2 and simultaneously presses the silica gel mold 31, so that the liquid in the liquid storage tank 3 enters the atomization cavity 4 under the action of air pressure. During actual use, under the drive of the driving component, when the cap 2 is opened, the silica gel mold 31 is pressed simultaneously, so that the liquid in the liquid storage tank 3 enters the atomization cavity 4 and is atomized by the atomization device; when the cap 2 is covered, the driving component is released, and the gas enters the liquid storage tank 3 through the air return check valve 42 to restore the balance of the internal and external atmospheric pressure for the next use.

[0027] Embodiment 2:

[0028] Please refer to Figures 4 to 7 As shown, on the basis of retaining all the technical features in the specific Embodiment 1, the driving component includes an inclined push rod 51 and a rotating dial 52; the rotating dial 52 is installed at one end of the outer side of the cap 2; one side of the outer shell 1 is provided with an inclined sliding hole 11, and the low end of the inclined sliding hole 11 corresponds to the position of the silica gel mold 31; the inclined push rod 51 is slidably installed in the inclined sliding hole 11; when the cap 2 rotates, the rotating dial 52 presses the inclined push rod 51 downward, so that the bottom end of the inclined push rod 51 presses the silica gel mold 31. Specifically, a vertical portion 511 is integrally provided at the upper end of the inclined push rod 51; when the cap 2 rotates, the rotating dial 52 presses the vertical portion 511 to facilitate driving the inclined push rod 51 to slide along the inclined sliding hole 11. More specifically, a vertical sliding groove 12 communicating with the inclined sliding hole 11 is provided on the side surface of the outer shell 1; the vertical portion 511 is slidably installed in the vertical sliding groove 12. In addition, a hinge portion 21 is provided on one side inside the cap 2, and the hinge portion 21 is rotatably installed between the two side walls of the vertical sliding groove 12; the rotating dial 52 is integrally installed at the lower part of the outer side of the hinge portion 21; actually, each time the rotation angle of the cap 2 is the same, the amount entering the atomization cavity 4 is fixed, which is convenient for controlling the amount of atomization; the amount entering the atomization cavity 4 each time can be changed by changing the size of the silica gel mold 31.

[0029] During actual use of this embodiment, when the cap 2 is opened, the rotating dial 52 presses the inclined push rod 51 to move downward, thereby squeezing the silica gel mold 31, so that the liquid in the liquid storage tank 3 enters the atomization cavity 4, which is convenient for the atomization device to atomize quantitatively, reduces pollution, and avoids the backflow and external leakage of the atomized liquid; when the cap 2 is covered, the gas enters the liquid storage tank 3 through the gas-liquid separation membrane 421 and the air return check valve 4 to restore the air pressure balance for recycling.

[0030] Embodiment 3:

[0031] Please refer to Figure 3 、 Figure 4 and Figure 6As shown, on the basis of retaining all the technical features in Embodiment 1 and Embodiment 2, an installation groove 13 is formed in the lower side wall of the outer housing 1; the liquid storage tank 3 is installed in the installation groove 13. By providing a detachable liquid storage tank 3, multiple cycles of use can be achieved.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these changes and modifications.

Claims

1. A negative pressure liquid atomization device, characterized in that: include: An outer housing (1) with a cap (2) rotatably mounted on the top and a drive assembly; The outer shell (1) is provided with a liquid storage tank (3) and an atomizing chamber (4) in order from bottom to top; a liquid upper check valve (41) and a gas return check valve (42) are provided at the connection point between the liquid storage tank (3) and the atomizing chamber (4); a gas-liquid separation membrane (421) is provided at the inlet end of the gas return check valve (42); a liquid guide tube (411) is connected to the inlet end of the liquid upper check valve (41); a mist outlet (43) is provided at the top end of the atomizing chamber (4); and an atomizing device is provided in the atomizing chamber (4); The cavity wall of the liquid storage tank (3) is provided with a film hole and a silicone mold (31) is installed in the film hole; the driving component drives the cap (2) to open and presses the silicone mold (31) at the same time, so that the liquid in the liquid storage tank (3) enters the atomization cavity (4) under the action of air pressure.

2. A negative pressure liquid atomizing device as claimed in claim 1, characterized in that: The driving assembly comprises an inclined push rod (51) and a rotating shift block (52); the rotating shift block (52) is mounted on an outer end portion of the cover cap (2); an inclined sliding hole (11) is provided on one side of the outer shell (1) and the lower end of the inclined sliding hole (11) corresponds to the position of the silicone mold (31); the inclined push rod (51) is slidably mounted in the inclined sliding hole (11); when the cover cap (2) rotates, the rotating shift block (52) presses the inclined push rod (51) downward, thereby causing the lower end of the inclined push rod (51) to press the silicone mold (31).

3. A negative pressure liquid atomizing device as claimed in claim 2, characterized in that: The upper end of the tilting push rod (51) is integrally provided with a vertical portion (511); when the cover cap (2) rotates, the rotating shift block (52) presses the vertical portion (511).

4. A negative pressure liquid atomizing device as claimed in claim 3, characterized in that: A vertical slide groove (12) communicating with the inclined slide hole (11) is provided on the side of the outer shell (1); the vertical portion (511) is slidably mounted in the vertical slide groove (12).

5. A negative pressure liquid atomizing device as claimed in claim 4, characterized in that: A hinged portion (21) is provided on one side of the interior of the cover cap (2), and the hinged portion (21) is rotatably mounted between two side walls of the vertical slide groove (12); the rotating shift block (52) is integrally mounted on the lower outer portion of the hinged portion (21).

6. A negative pressure liquid atomizing device as claimed in claim 5, characterized in that: The lower side wall of the outer shell (1) is provided with a mounting groove (13); the liquid storage tank (3) is mounted in the mounting groove (13).

7. A negative pressure liquid atomizing device as claimed in claim 6, characterized in that: Two connecting pipes (44) are provided at the bottom of the atomizing chamber (4), and the connecting pipes (44) are connected to the liquid storage tank (3); the liquid supply check valve (41) and the air return check valve (42) are respectively installed at the ends of the two connecting pipes (44).

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