CN220343682U

CN220343682U - Annotate liquid structure, atomizer and aerosol generating device

Info

Publication number: CN220343682U
Application number: CN202322075835.0U
Authority: CN
Inventors: 翁建华; 刘友明; 牛彦明
Original assignee: Shenzhen Woody Vapes Technology Co Ltd
Current assignee: Shenzhen Woody Vapes Technology Co Ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-16
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a liquid injection structure, an atomizer and an aerosol generating device, wherein the liquid injection structure comprises a duckbill valve, a valve seat, a fixed seat, an elastic piece and a base, wherein the duckbill valve is provided with a fixed end and an open-close end, and the upper edge of the base extends out of a fixed sleeve with an exhaust hole; the fixed end is sleeved on the valve seat, one end of the elastic piece is sleeved on the fixed end, the other end of the elastic piece is abutted to the lower end of the valve seat, the valve seat is arranged on the fixed seat, and the fixed seat is positioned in the fixed sleeve; the duckbill valve has a first state in which the vent is closed and a second state in which the vent is open. During liquid injection, the oil injection head is inserted into the duckbill valve to enable the duckbill valve to move downwards, and the opening and closing ends are opened, so that tobacco tar is injected; at this time, the exhaust hole on the base is opened; when the liquid injection is completed, the duckbill valve is lifted upwards under the action of the elastic piece, and the duckbill valve is reset to form a sealing state under the elasticity of the duckbill valve, so that liquid leakage can be prevented; and further solves the problem that the atomized matrix leaks from the liquid injection port of the liquid storage bin.

Description

Annotate liquid structure, atomizer and aerosol generating device

Technical Field

The utility model belongs to the technical field of aerosol generating devices, and relates to a liquid injection structure, an atomizer and an aerosol generating device.

Background

In recent years, due to the continuous attention of consumers to health concepts, the development of electronic atomization equipment is more and more rapid, and the electronic atomization equipment is an electronic equipment which heats and atomizes aerosol matrixes into aerosol shapes through heating wires for users to use, and is popular since the electronic atomization equipment does not contain harmful substances.

At present, an electronic atomization device mainly comprises an atomizer and a power supply unit, wherein the atomizer is used as a core component of the electronic atomization device, plays a role in storing liquid atomization matrixes and heating the atomization matrixes, and generally comprises a heating element and a liquid storage bin for storing the atomization matrixes, and the heating element heats the atomization matrixes under the electric energy provided by the power supply unit, so that the atomization matrixes are heated, atomized and aerosol for a user to inhale. However, in the use process of the conventional electronic atomization device, there is often a problem that the atomized substrate leaks through the liquid injection port of the liquid storage bin, resulting in poor user experience.

Disclosure of Invention

In view of the above, the utility model provides a liquid injection structure, an atomizer and an aerosol generating device, which solve the technical problem that the atomized substrate always leaks through a liquid injection port of a liquid storage bin in the use process of the traditional atomizing device, so that the user experience is poor.

In order to solve the above problems, according to one aspect of the present application, an embodiment of the present utility model provides a liquid injection structure, including a duckbill valve, a valve seat, a fixing seat, an elastic member, and a base, where the duckbill valve has a fixed end and an open-close end, the base extends out of a fixing sleeve, and a vent hole is formed on a wall of the fixing sleeve; the fixed end of the duckbill valve is sleeved on the valve seat, one end of the elastic piece is sleeved on the fixed end, the other end of the elastic piece is abutted to the lower end of the valve seat, the valve seat is arranged on the fixed seat, and the fixed seat is positioned in the fixed sleeve; the duckbill valve has a first state in which the vent is closed and a second state in which the vent is open.

In some embodiments, the valve seat is a valve seat with a groove on the outer surface, the fixed end of the duckbill valve is provided with a fixing strip, the valve seat is positioned in the fixed end, and the fixing strip is clamped in the groove.

In some embodiments, the valve seat is a hard rubber material, the duckbill valve is a soft rubber material, and the valve seat and the duckbill valve are integrally formed.

In some embodiments, the elastic member is a spring, and the spring is sleeved on the fixed end.

In some embodiments, the outer surface of the valve seat is provided with at least one ring of projections in the circumferential direction, the outer diameter of the projections being larger than the diameter of the spring ring formed by the spring, so that the spring can be caught by the projections.

According to another aspect of the application, an embodiment of the present utility model further provides an atomizer, where the atomizer includes the liquid injection structure described above, and the atomizer has a liquid injection cavity, and the liquid injection structure is disposed at a bottom of the liquid injection cavity.

In some embodiments, the atomizer further comprises a housing connected to the base by a seal ring, and forming an atomization chamber therebetween, the atomization chamber being in communication with the liquid injection cavity.

In some embodiments, the atomizer further comprises an atomizing tube within the atomizing cartridge, the atomizing tube having a heat generating component therein.

In some embodiments, the heat generating component comprises an outer cotton wrap, a bracket, an inner cotton wrap, and a heat generating sheet wrapped layer by layer from outside to inside.

According to another aspect of the present application, an embodiment of the present utility model also provides an aerosol-generating device, characterized in that the aerosol-generating device comprises a nebulizer as described above.

Compared with the prior art, the liquid injection structure has at least the following beneficial effects:

the liquid injection structure provided by the embodiment comprises a duckbill valve, a valve seat, a fixed seat, an elastic piece and a base, wherein the duckbill valve is provided with a fixed end and an opening end, a fixed sleeve is extended from the base, and an exhaust hole is formed in the wall of the fixed sleeve; the fixed end of the duckbill valve is sleeved on the valve seat, one end of the elastic piece is sleeved on the fixed end, the other end of the elastic piece is abutted to the lower end of the valve seat, the valve seat is arranged on the fixed seat, and the fixed seat is positioned in the fixed sleeve; the duckbill valve has a first state in which the vent is closed and a second state in which the vent is open.

In a specific use process, when liquid injection is needed, an oil injection head on the oil injection bottle is inserted into the duckbill valve through a fixed sleeve extending from the base, so that the duckbill valve moves towards the direction in the cavity of the liquid injection cavity, and the opening and closing ends of the duckbill valve are opened, so that tobacco tar in the oil injection bottle is injected into the liquid injection cavity; in the process, when the oil injection head on the oil injection bottle is inserted into the duckbill valve, the duckbill valve moves towards the direction in the cavity of the liquid injection cavity, the exhaust hole on the base is separated from the duckbill valve, and the exhaust hole is opened to exhaust the air in the liquid injection cavity. When the liquid injection is completed, after the force applied to the end face right above the duckbill valve disappears, the duckbill valve is lifted in the direction away from the cavity of the liquid injection cavity under the action of the restoring force of the elastic piece, so that the liquid injection pipe is reset, the oil injection head on the oil injection bottle is separated from the duckbill valve, and the duckbill valve is reset to form a sealing state under the elasticity of the duckbill valve, so that liquid leakage can be prevented; and then solve atomizing device in the use, there is the problem that atomizing matrix leaked through the notes liquid mouth department of stock solution storehouse, lead to the poor technical problem of user experience.

In addition, the liquid injection structure provided by the embodiment has the advantages of few parts, simple structure, low cost and high reliability; and the oiling process is that the oiling bottleneck passes through from the mouth of duckbill valve and enters into annotating the liquid intracavity, so can not have the tobacco tar to remain in the duckbill valve, can not appear the consumer and lead to damaging the problem of equipment because of the tobacco tar is remained when using.

On the other hand, the atomizer provided by the utility model is designed based on the liquid injection structure, and the beneficial effects of the liquid injection structure are referred to herein, and are not described in detail.

On the other hand, the aerosol generating device provided by the utility model is designed based on the atomizer, and the beneficial effects of the aerosol generating device are referred to as beneficial effects of the atomizer, and are not described in detail herein.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a liquid injection structure according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a liquid injection structure according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a duckbill valve in a liquid injection structure according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a valve seat in a liquid injection structure according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a base in a liquid injection structure according to an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a liquid injection structure according to an embodiment of the present utility model in a liquid injection state;

FIG. 7 is a cross-sectional view of a liquid injection structure according to an embodiment of the present utility model in a closed state;

fig. 8 is an exploded view of an atomizer according to an embodiment of the present utility model.

Wherein:

1. a liquid injection structure; 2. a housing; 3. a seal ring; 4. an atomizing tube; 5. a heating component; 11. a duckbill valve; 12. a valve seat; 13. a fixing seat; 14. an elastic member; 15. a base; 51. wrapping cotton; 52. a bracket; 53. cotton is wrapped inside; 54. a heat generating sheet; 111. a fixed end; 112. an opening and closing end; 113. a fixing strip; 121. a groove; 122. a protrusion; 151. a fixed sleeve; 152. and an exhaust hole.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

In the description of the present utility model, it should be clear that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like are used for indicating an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description of the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment provides a liquid injection structure, as shown in fig. 1-7, the liquid injection structure comprises a duckbill valve 11, a valve seat 12, a fixed seat 13, an elastic piece 14 and a base 15, wherein the duckbill valve 11 is provided with a fixed end 111 and an opening end 112, a fixed sleeve 151 extends out of the base 15, and an exhaust hole 152 is formed in the wall of the fixed sleeve 151; the fixed end 111 of the duckbill valve 11 is sleeved on the valve seat 12, one end of the elastic piece 14 is sleeved on the fixed end 111, the other end of the elastic piece 14 is abutted against the lower end of the valve seat 12, the valve seat 12 is arranged on the fixed seat 13, and the fixed seat 13 is positioned in the fixed sleeve 151; the duckbill valve has a first state in which the vent is closed and a second state in which the vent is open.

Specifically, the duckbill valve 11 can be moved up and down to close or open the exhaust hole 152, wherein the upward movement is a direction toward the cavity of the injection cavity, and the downward movement is a direction away from the cavity of the injection cavity.

Specifically, the duckbill valve 11 is specially manufactured from a material having elasticity, and has a shape similar to that of a duckbill, so that it is called a duckbill valve. Under the condition of no internal pressure, the outlet (namely the opening and closing end 112) of the duckbill valve 11 is closed under the action of self elasticity, and the outlet of the duckbill valve 11 is gradually increased along with the gradual increase of the internal pressure, so that the liquid can be discharged at a high flow rate; the valve seat 12 is mainly arranged for fixing the duckbill valve 11; the fixed seat 13 is used for realizing the connection between the valve seat 12 and the base 15; the elastic piece 14 is mainly arranged to enable the duckbill valve 11 to automatically reset after the liquid injection is finished; the base 15 is mainly provided with the exhaust hole 152, and in the liquid injection stage, the exhaust hole 152 is used for exhausting gas to realize liquid entering, and after the exhaust is finished, the duckbill valve 11 automatically returns to the original position, and the exhaust hole 152 is blocked, so that liquid leakage can be avoided.

In a specific use process, when liquid injection is needed, an oil injection head on an oil injection bottle is inserted into the duckbill valve 11, so that the duckbill valve 11 moves towards the direction in the cavity of the liquid injection cavity, and the opening and closing end 112 of the duckbill valve 11 is opened, so that tobacco tar in the oil injection bottle is injected into the device; in this process, when the oil filling head on the oil filling bottle is inserted into the duckbill valve 11, so that the duckbill valve 11 moves toward the direction of the cavity of the liquid filling cavity, the air exhaust hole 152 on the base 15 is separated from the duckbill valve 11, and the air exhaust hole 152 is opened to exhaust the air in the liquid filling cavity. When the injection is completed, after the force applied to the end face right above the duckbill valve 11 disappears, the duckbill valve 11 is lifted upwards (namely, towards the direction away from the cavity of the injection cavity) under the action of the restoring force of the elastic piece 14, so that the injection pipe is reset, the injection head on the injection bottle is separated from the duckbill valve 11, and the duckbill valve 11 is reset to form a sealing state under the elasticity of the duckbill valve, so that the leakage of liquid can be prevented; and then solve atomizing device in the use, there is the problem that atomizing matrix leaked through the notes liquid mouth department of stock solution storehouse, lead to the poor technical problem of user experience.

In addition, the liquid injection structure provided by the embodiment has the advantages of few parts, simple structure, low cost and high reliability; and, the oiling process is that the oiling bottleneck passes from the mouth of duckbill valve 11 and enters into annotate the liquid intracavity, so can not have the tobacco tar to remain in duckbill valve 11, can not appear the consumer and cause the problem of damage equipment because of the tobacco tar remains when using.

In a specific embodiment, the valve seat 12 has a groove 121 on an outer surface, the fixed end 111 of the duckbill valve 11 has a fixing strip 113, the valve seat 12 is located in the fixed end 111, and the fixing strip 113 is clamped in the groove 121.

Specifically, the valve body profile of the valve seat 12 is in a columnar structure, the grooves 121 are axially arranged, the number of the grooves 121 is matched with that of the fixing strips 113, and the fixing strips 113 are clamped in the corresponding grooves 121, so that the valve seat 12 and the duckbill valve 11 are fixedly mounted.

In a specific embodiment, the valve seat 12 is made of hard rubber, the duckbill valve 11 is made of soft rubber, and the valve seat 12 and the duckbill valve 11 are integrally formed.

Specifically, the valve seat 12 is a plastic part, the duckbill valve 11 is a soft rubber part, and the two parts are fixed together through secondary molding.

The valve seat 12 and the duckbill valve 11 are molded by injecting hard glue firstly, and soft glue is injected after the hard glue is injected, so that the duckbill valve 11 has the strength of the hard glue, and the duckbill valve 11 can be pushed to move when the elastic piece 14 acts on the hard glue. The soft rubber part enables the duckbill valve 11 to have corresponding elasticity when the oil injection bottle is inserted, so that the duckbill valve 11 is deformed and spread, and the oil injection nozzle on the oil injection bottle can pass through.

In a specific embodiment, the elastic member 14 is a spring, and the spring is sleeved on the fixed end 111.

In a specific embodiment, at least one ring of protrusions 122 is circumferentially disposed on the outer surface of the valve seat 12, and the outer diameter of the protrusions 122 is larger than the diameter of the spring ring formed by the spring, so that the spring can be caught by the protrusions 122; that is, in order to avoid spring disengagement, a protrusion 122 is provided on the outer surface of the valve seat 12, and the protrusion 122 can avoid spring disengagement.

In the liquid injection structure provided in this embodiment, when oil injection is needed, the oil injection bottle is inserted into the duckbill valve 11 through the fixing sleeve 151 extending from the base 15 and drives the duckbill valve 11 to move downwards, and passes through the duckbill valve 11 and simultaneously opens the exhaust hole 152 due to the downwards movement of the duckbill valve 11. When the oil filling is finished, the oil filling bottle is pulled out of the duckbill valve 11, at the moment, the force applied to the duckbill valve 11 disappears, the duckbill valve 11 moves upwards under the action of the spring force, and after the duckbill valve 11 moves in place, the soft rubber on the duckbill valve 11 is just located on the exhaust hole 152, so that the exhaust hole 152 is closed.

Example 2

The embodiment provides an atomizer, the atomizer includes annotate liquid structure 1 of embodiment 1, the atomizer has annotates the liquid chamber, annotate the liquid structure setting and be in annotate the bottom in liquid chamber. In this way, liquid can be injected into the liquid injection cavity through the liquid injection structure 1.

The atomizer provided in this embodiment includes the liquid injection structure 1 in embodiment 1, so that it has all the advantages of the liquid injection structure 1.

In addition, in a specific embodiment, as shown in fig. 8, the atomizer further includes a housing 2, where the housing 2 is connected with the base 15 through a sealing ring 3, and an atomization bin is formed between the housing and the base, and the atomization bin is communicated with the liquid injection cavity; the open and close end 112 of the duckbill valve 11 is capable of communicating with the atomizing cartridge.

In particular, the duckbill valve 11 may be in direct or indirect communication with the nebulization cartridge; thus, when oiling is needed, after the oiling bottle is inserted into the duckbill valve 11, the oil outlet of the oiling bottle can directly or indirectly convey liquid into the atomization bin.

In a specific embodiment, the atomizer further comprises an atomization tube 4 positioned in the atomization bin, and a heating component 5 is arranged in the atomization tube 4.

In a specific embodiment, the heat generating component 5 includes an outer wrapping cotton 51, a bracket 52, an inner wrapping cotton 53 and a heat generating sheet 54, which are wrapped layer by layer from outside to inside.

Example 3

The present embodiment provides an aerosol-generating device comprising the nebulizer of embodiment 2.

The aerosol-generating device provided by this embodiment includes the atomizer of embodiment 2, and thus has all the advantageous effects that the atomizer of embodiment 2 has.

It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus, device and unit described above may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The liquid injection structure is characterized by comprising a duckbill valve, a valve seat, a fixed seat, an elastic piece and a base, wherein the duckbill valve is provided with a fixed end and an opening end, a fixed sleeve extends out of the base, and an exhaust hole is formed in the wall of the fixed sleeve; the fixed end of the duckbill valve is sleeved on the valve seat, one end of the elastic piece is sleeved on the fixed end, the other end of the elastic piece is abutted to the lower end of the valve seat, the valve seat is arranged on the fixed seat, and the fixed seat is positioned in the fixed sleeve; the duckbill valve has a first state in which the vent is closed and a second state in which the vent is open.

2. The fluid injection structure of claim 1 wherein the valve seat is a valve seat having a recess in an outer surface thereof, the fixed end of the duckbill valve has a retaining strip, the valve seat is positioned in the fixed end, and the retaining strip is captured in the recess.

3. The fluid injection structure of claim 2, wherein the valve seat is made of hard rubber, the duckbill valve is made of soft rubber, and the valve seat and the duckbill valve are integrally formed.

4. A liquid injection structure as claimed in any one of claims 1 to 3 wherein the resilient member is a spring which is sleeved on the fixed end.

5. The liquid injection structure of claim 4, wherein the outer surface of the valve seat is provided with at least one ring of protrusions in the circumferential direction, and the outer diameter of the protrusions is larger than the diameter of a spring ring formed by the springs, so that the springs can be caught by the protrusions.

6. An atomizer comprising the liquid injection structure of any one of claims 1-5, said atomizer having a liquid injection chamber, said liquid injection structure being disposed at a bottom of said liquid injection chamber.

7. The atomizer of claim 6 further comprising a housing connected to said base by a seal ring and defining an atomization chamber therebetween, said chamber in communication with said liquid injection chamber.

8. The nebulizer of claim 7, further comprising a nebulization tube within the nebulization cartridge, the nebulization tube having a heat generating component therein.

9. The atomizer of claim 8 wherein said heat generating component comprises an outer wrap, a bracket, an inner wrap, and a heat generating sheet wrapped layer by layer from the outside to the inside.

10. An aerosol-generating device, characterized in that the aerosol-generating device comprises a nebulizer according to any one of claims 6-9.