CN212943710U

CN212943710U - Waterproof construction and atomizer

Info

Publication number: CN212943710U
Application number: CN202021649165.9U
Authority: CN
Inventors: 田雁; 王江平
Original assignee: Dongguan Tengteng Electronic Co ltd
Current assignee: Dongguan Tengteng Electronic Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-13
Anticipated expiration: 2030-08-10

Abstract

The utility model provides a waterproof construction and atomizer relates to waterproof technical field, and waterproof construction includes the atomizing chamber, and atomizing chamber sealing connection seals the clamping ring, and sealed clamping ring is provided with annular outward flange towards the one side in atomizing chamber, and the outward flange is provided with the atomizing piece in the fixed slot that forms on sealed clamping ring, and the atomizing piece passes through the inner seal circle and connects sealed clamping ring formation inner seal. The atomizer includes foretell waterproof construction, and the atomizing piece passes through the circuit board of two line hole connection inside that set up in the atomizing intracavity. An atomization cavity arranged in the atomizer is detachably and hermetically connected with the sealing pressure ring to realize external sealing; the fixed groove that sealed clamping ring set up is connected with the atomizing piece through the inner seal circle in, avoids water to flow into the atomizing chamber from the junction of atomizing piece and sealed clamping ring. The waterproof performance of the atomization cavity can be kept for a long time without using sealant. In addition, when the atomizing sheet is replaced, the sealing press ring is convenient to detach from the atomizing cavity.

Description

Waterproof construction and atomizer

Technical Field

The utility model relates to a waterproof technology field especially relates to a waterproof construction and atomizer.

Background

The existing atomizer is generally provided with a blind hole on the surface for installing an atomizing sheet, a sealing ring is installed between the atomizing sheet and the edge of the blind hole, and sealing glue is coated on the sealing ring and is adhered to the blind hole, so that the waterproof property is realized. Because the atomizer is placed and is worked in water, sealed glue soak time in water after too long, can appear becoming flexible, influence the leakproofness between atomizing piece and the blind hole, water enters into the atomizing chamber of atomizer by the blind hole, leads to damaging the electronic components in atomizing chamber. In addition, when the atomizing sheet is replaced, the sealing ring and the sealant need to be detached by using tools, so that the detachment is troublesome.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a waterproof structure and an atomizer to overcome the shortcomings of the prior art.

The utility model provides a following technical scheme: a waterproof structure comprises a shell, wherein an atomization cavity is formed in the shell, the atomization cavity is detachably connected with a sealing compression ring in a sealing mode, the sealing compression ring is provided with a through hole, an annular outer flange is arranged on one surface, facing the atomization cavity, of the sealing compression ring, an atomization sheet is arranged in a fixing groove formed in the sealing compression ring through the outer flange, the through hole is located in the fixing groove, and an inner sealing ring is arranged in the fixing groove; when the sealing press ring is in sealing connection with the atomization cavity, the sealing press ring and the atomization sheet extrude the inner sealing ring simultaneously.

Furthermore, an annular inner flange is arranged in the fixing groove, and an inner sealing cavity is formed between the inner flange and the outer flange; the inner sealing ring is arranged in the inner sealing cavity, and the height of the inner sealing ring is greater than that of the inner sealing cavity; when the sealing press ring is in sealing connection with the atomizing cavity, the atomizing sheet extrudes the inner sealing ring to finish inner sealing.

Further, the outer seal ring is sleeved on the outer flange; when the sealing press ring is in sealing connection with the atomization cavity, the outer sealing ring extrudes the top of the atomization cavity to complete outer sealing.

Furthermore, a limiting counter bore is arranged at the top of the atomization cavity, the diameter of the limiting counter bore is equal to that of the outer sealing ring, and the outer sealing ring is arranged in the limiting counter bore; when the sealing press ring is in sealing connection with the atomizing cavity, the outer sealing ring extrudes the bottom of the limiting counter bore.

Furthermore, an annular groove is formed in the outer side face of the outer flange, and the outer sealing ring is fixed to the outer side face of the outer flange through the annular groove.

Further, the lateral surface of outward flange is in be provided with the external screw thread below the annular groove, the inner wall in atomizing chamber is provided with the internal thread, through the internal thread with the external screw thread fit connection, sealed clamping ring with the junction in atomizing chamber is sealed.

Furthermore, two mounting grooves are formed in one surface, away from the atomization cavity, of the sealing pressure ring, the mounting grooves are arranged oppositely and located on the same straight line.

In a second aspect, the utility model also provides an atomizer, including the waterproof structure, the waterproof structure includes a housing, an atomizing cavity is arranged on the housing, the atomizing cavity can be disassembled and sealed to connect a sealing compression ring, the sealing compression ring is provided with a through hole, one side of the sealing compression ring facing the atomizing cavity is provided with an annular outer flange, an atomizing sheet is arranged in a fixed groove formed on the sealing compression ring by the outer flange, the through hole is positioned in the fixed groove, and an inner sealing ring is arranged in the fixed groove; when the sealing press ring is in sealing connection with the atomization cavity, the sealing press ring and the atomization sheet extrude the inner sealing ring simultaneously.

Furthermore, a circuit board is arranged in the shell, two wire passing holes are formed in the bottom of the atomization cavity, a positive coil and a negative coil are arranged in the atomization cavity, when the sealing pressure ring is in sealing connection with the atomization cavity, one end of the positive coil is in contact connection with an electrode of the atomization sheet, and one end of the negative coil is in contact connection with the electrode of the atomization sheet; the other end of the positive pole coil and the other end of the negative pole coil respectively penetrate through the two wire passing holes to be connected with the circuit board.

Furthermore, the bottom of the atomization cavity is provided with an isolation boss, the middle position of the isolation boss is provided with the positive coil and is provided with one of the wire passing holes, and the isolation boss and the edge of the atomization cavity are provided with the negative coil and is provided with the other wire passing hole.

The embodiment of the utility model has the following advantage: an atomization cavity arranged on a shell of the atomizer is detachably and hermetically connected with a sealing pressure ring to achieve a waterproof effect between the sealing pressure ring and the atomization cavity; in addition, the fixed groove of the sealing press ring is connected with the atomizing sheet through the inner sealing ring, so that water is prevented from flowing into the atomizing cavity from the connection position of the atomizing sheet and the sealing press ring. The waterproof performance of the atomization cavity can be kept for a long time without using sealant. In addition, when the atomizing sheet is replaced, the sealing press ring is convenient to detach from the atomizing cavity.

In order to make the aforementioned and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 shows a schematic structural view of an atomizer;

FIG. 2 shows an exploded view of a waterproof structure;

FIG. 3 shows a schematic view of a sealing collar of a waterproof construction;

FIG. 4 is a schematic view of another perspective of a sealing collar of a waterproof construction;

FIG. 5 is a schematic structural diagram of a waterproof structure after an outer sealing ring and an inner sealing ring are mounted on a sealing pressure ring;

FIG. 6 is a schematic view of an atomizing sheet in a waterproof configuration;

FIG. 7 is a schematic structural diagram of a waterproof structure after an atomizing sheet is mounted on a sealing pressure ring;

FIG. 8 shows a schematic view of the seal of an atomizer;

FIG. 9 is a schematic diagram of the atomizing chamber in a waterproof configuration;

FIG. 10 is a schematic diagram showing the overall cross-sectional configuration of the atomizing chamber in a water-tight configuration;

fig. 11 shows an enlarged schematic structure of a portion a in fig. 10.

Description of the main element symbols:

1-sealing the pressure ring; 11-a through hole; 12-mounting grooves; 13-external thread; 14-an outer flange; 15-inner flange; 16-inner sealed cavity; 17-an annular groove; 2-an atomizing cavity; 3-a shell; 4-inner sealing ring; 5-outer sealing ring; 6-atomizing tablets; 61-positive electrode surface; 62-negative electrode surface; 63-an insulating layer; 7-a conductive coil; 8-a circuit board; 91-a sealing part; 92-a fixed part; 93-a fixing hole; 101-a positive coil; 102-a negative coil; 103-power indicator light;

20-a wire through hole; 21-sealing the inclined plane; 22-fixing the counter bore.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Unless defined otherwise, 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 in the description of the templates herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 2, the embodiment provides a waterproof structure, which includes an atomizing chamber 2 and a sealing press ring 1, wherein the atomizing chamber 2 is connected to the sealing press ring 1 in a sealing manner to prevent external water from entering the atomizing chamber 2. An inner sealing ring is further arranged on the sealing pressure ring 1, and the inner sealing ring can achieve the waterproof performance between the sealing pressure ring 1 and the atomizing cavity 2. In addition, sealed clamping ring 1 is connected for dismantling with atomizing chamber 2, when changing atomizing piece 6, need dismantle sealed clamping ring 1, after changing into new atomizing piece 6, will seal clamping ring 1 again and install on atomizing chamber, and sealed clamping ring 1 is dismantled conveniently from atomizing chamber 2.

Waterproof construction includes casing 3, is provided with the atomizing chamber 2 that forms by the hole that sinks on casing 3, and the hole that sinks has many kinds of shapes, for make sealed clamping ring 1 conveniently dismantle in atomizing chamber 2, this embodiment will sink the hole and set up to cylindrical hole shape, and the atomizing chamber 2 that forms also is cylindrical hole shape. The atomizing cavity 2 can be detachably connected with a sealing press ring 1 in a sealing mode, and the atomizing cavity 2 and the sealing press ring 1 can be connected in a clamping mode or in a threaded connection mode. The sealing pressure ring 1 is provided with a through hole 11, and the sealing pressure ring 1 with the through hole 11 is in an annular ring shape; atomizing piece 6 is located the one side of sealed clamping ring 1 towards atomizing chamber 2, and atomizing piece 6 keeps away from the one side of atomizing chamber 2 and exposes to atomizing chamber 2 outside through-hole 11, and atomizing piece 6 is close to the one side of atomizing chamber 2 and is provided with the electrode.

As shown in fig. 3 and 4, an annular outer flange 14 is provided on an annular surface of the sealing collar 1 facing the atomizing chamber 2, and the outer flange 14 is provided with the atomizing plate 6 in a fixing groove formed in the sealing collar 1. In order to make the atomization plate 6 more stably installed, the diameter of the fixing groove and the diameter of the atomization plate 6 are set to be equal in this embodiment. The through hole 11 is positioned in the fixing groove, and the center of the through hole 11 and the center of the fixing groove are positioned on the same vertical straight line.

As shown in fig. 5, the sealing press ring 1 is provided with an inner sealing ring 4, and the inner sealing ring 4 is used for sealing a gap of the atomizing plate 6 at the through hole 11. An annular inner flange 15 is arranged in the fixing groove, the inner flange 15 is also annular, the diameter of the inner flange 15 is smaller than that of the outer flange 14, and the height of the outer flange 14 is higher than that of the inner flange 15, so that an annular inner cavity which is an inner sealing cavity 16 is formed between the inner flange 15 and the outer flange 14. The inner sealing ring 4 is arranged in the inner sealing cavity 16, and the height of the inner sealing ring 4 is greater than that of the inner sealing cavity 16; when the sealing pressure ring 1 is in sealing connection with the atomizing cavity 2, the top of the atomizing sheet 6 extrudes the inner sealing ring 4, and if the extrusion force is large, the top of the atomizing sheet 6 pushes against the inner flange 15 to reach the limit position. Because the atomizing sheet 6 and the inner sealing ring 4 are in a squeezing state, the atomizing sheet 6 is positioned at the through hole 11 and sealed with the atomizing cavity 2.

As shown in fig. 5 and 7, in some possible embodiments, an outer sealing ring 5 is further included, and the outer sealing ring 5 is used to further improve the water resistance of the connection part of the sealing press ring 1 and the atomizing chamber 2. The outer sealing ring 5 is sleeved on the outer flange 14; in order to make the outer seal ring 5 fit on the outer flange 14 more firmly, the diameter of the outer seal ring 5 may be set to be equal to or slightly smaller than the diameter of the outer side surface of the outer flange 14. The outer sealing ring 5 may be made of an elastic material, and the outer sealing ring 5 mounted on the outer side surface of the outer flange 14 is in a tightened state and is mounted stably. When the sealing pressure ring 1 and the atomizing cavity 2 are in sealing connection, the outer sealing ring 5 extrudes the top of the atomizing cavity 2 to complete outer sealing.

The outer sealing ring 5 presses the top of the atomizing chamber 2, which includes two conditions: the first one is that the top of the atomizing chamber 2 is not provided with a limiting counter bore, the top of the atomizing chamber 2 is the surface of the shell 3 at the moment, the diameter of the outer sealing ring 5 is larger than that of the atomizing chamber 2, and the outer sealing ring 5 completely surrounds the opening of the atomizing chamber 2. The upper and lower parts of the outer sealing ring 5 respectively extrude the sealing press ring 1 towards the lower surface of the atomizing cavity 2 and the surface of the shell 3, so that the inside and the outside of the atomizing cavity 2 are sealed.

The second is that the top in atomizing chamber 2 is provided with spacing counter bore, and the diameter of spacing counter bore equals the diameter of outer sealing ring 5, and during outer sealing ring 5 located spacing counter bore, spacing counter bore can carry on spacingly to outer sealing ring 5 to avoid outer sealing ring 5 because unexpected emergence is removed, thereby can't surround the opening in atomizing chamber 2 completely, sealed clamping ring 1 can't seal atomizing chamber 2 completely, influences the leakproofness. When the sealing pressure ring 1 and the atomizing cavity 2 are in sealing connection, the bottom of the outer sealing ring 5 extrudes the bottom of the limiting counter bore, and the top of the outer sealing ring 5 is in contact with the lower surface, facing the atomizing cavity 2, of the sealing pressure ring 1.

In some possible embodiments, the outer side surface of the outer flange 14 may further be provided with an annular groove 17, the annular groove 17 is recessed toward the center of the sealing press ring 1, the outer seal ring 5 is fixed on the outer side surface of the outer flange 14 through the annular groove 17, and the annular groove 17 is provided near the top of the sealing press ring 1.

In order to enable the waterproof performance of the joint of the sealing press ring 1 and the atomizing cavity 2 to be better, the sealing press ring 1 is selected to be in threaded connection with the atomizing cavity 2. Specifically, the outer side face of the outer flange 14 is provided with an external thread 13 below the annular groove 17, the inner wall of the atomization cavity 2 is provided with an internal thread, the internal thread is connected with the external thread 13 in a matched mode, and the connection position of the sealing pressure ring 1 and the atomization cavity 2 is sealed.

For more convenient with sealed clamping ring 1 installation fix on atomizing chamber 2, two mounting grooves 12 have been seted up to the one side of keeping away from atomizing chamber 2 at sealed clamping ring 1, two mounting grooves 12 set up relatively, and lie in same straight line. In the process of installing the sealing pressure ring 1, the sheet-shaped tool can be clamped into the two installation grooves 12 at the same time, and then the sheet-shaped tool is rotated clockwise, so that the sealing pressure ring 1 is screwed into the atomization cavity 2 to complete sealing connection. In the process, the sealing press ring 1 extrudes the top of the atomizing cavity 2 through the outer sealing ring 5, and the atomizing sheet 6 is far away from the upper surface of the atomizing cavity 2 to extrude the inner sealing ring 4.

Example 2

As shown in fig. 1 and fig. 2, the present invention further provides an atomizer, which includes the above-mentioned waterproof structure. In actual use, the atomizer is located in the water when in normal operation. The atomizing plate 6 is provided on the surface of the atomizer. Be provided with circuit board 8 and power in the atomizer, circuit board 8 is connected in the two poles of the earth of atomizing piece 6 through anodal coil 101 and negative pole coil 102, for atomizing piece 6 power supply, makes atomizing piece 6 atomizing water with it contact, is in normal operating condition.

As shown in fig. 6, the atomizing plate 6 is provided with a positive electrode surface 61 and a negative electrode surface 62 near the lower surface of the atomizing chamber 2, and the positive electrode surface 61 is a circular surface provided at the center of the atomizing plate 6; the negative electrode surface 62 is an annular surface near the edge of the atomizing plate 6. An insulating layer 63 is provided between the positive electrode face 61 and the negative electrode face 62 to avoid short-circuiting.

As shown in fig. 9, 10 and 11, in order to complete the connection between the atomizing sheet 6 and the positive electrode and the negative electrode of the circuit board 8, two wire passing holes 20 are formed at the bottom of the atomizing chamber 2, the two wire passing holes 20 are respectively used for passing through the positive coil 101 and the negative coil 102, and the positive coil 101 and the negative coil 102 are arranged in the atomizing chamber 2.

Specifically, the bottom central point of atomizing chamber 2 puts and is provided with the isolation boss, and the intermediate position of keeping apart the boss is provided with positive coil 101 and has seted up one of them and crossed line hole 20, keeps apart and is provided with negative coil 102 and has seted up another and crossed line hole 20 between the border of boss and atomizing chamber 2, and negative coil 102 encircles the border setting that is close to atomizing chamber 2. The other ends of the positive coil 101 and the negative coil 102 respectively penetrate through the corresponding wire through holes 20 to extend into the atomizer, and are connected with the circuit board 8. By arranging the isolation boss, the positive coil 101 is isolated from the negative coil 102, and contact short circuit is avoided. Spacing groove has been seted up at the center of keeping apart the boss, and the spacing groove is used for spacing positive pole coil 101, avoids in the use, and positive pole coil 101 removes to and leads to the short circuit with negative pole coil 102 contact. The positive coil 101 and the negative coil 102 are both in an up-and-down spiral shape at the part of the atomization cavity 2, when the sealing pressure ring 1 is installed in the atomization cavity 2, the atomization sheet 6 is close to the lower surface of the atomization cavity 2 and simultaneously extrudes the positive coil 101 and the negative coil 102, and two poles of the atomization sheet 6 are respectively in contact with the end parts of the positive coil 101 and the negative coil 102.

When the atomizer is in a working state, one end part of the positive coil 101 is in contact connection with the electrode of the atomizing sheet 6, and one end part of the negative coil 102 is in contact connection with the electrode of the atomizing sheet 6; the other end of the positive coil 101 passes through the corresponding wire passing hole 20 and is connected to the circuit board 8, and the other end of the negative coil 102 passes through the corresponding wire passing hole 20 and is connected to the circuit board 8. In order to ensure the electrical conductivity of the negative coil 102 to the atomizing plate 6, a conductive coil 7 may be placed on the negative coil 102, the diameter of the conductive coil 7 is equal to the inner diameter of the atomizing chamber 2, the conductive coil 7 is placed against the side wall of the atomizing chamber 2, the bottom of the conductive coil 7 is in contact with the negative coil 102, and the top of the conductive coil 7 is in contact with the negative electrode of the atomizing plate 6.

In order to ensure the tightness between the inside of the atomizer and the atomizing chamber 2, the wire through hole 20 is formed by connecting a bevel hole and a fixing counter bore 22.

As shown in fig. 8, a sealing member is disposed in the wire passing hole 20, the sealing member is composed of a sealing portion 91 and a fixing portion 92, the sealing member is further provided with a through fixing hole 93, the diameter of the fixing hole 93 is equal to the wire diameter of the positive coil 101, and the positive coil 101 penetrates out of the fixing hole 93 and then penetrates out of the wire passing hole 20 to be connected with the circuit board 8.

The sealing member can be made by soft materials such as plastics, and when actual installation, wear out from fixed orifices 93 with the tip of anodal coil 101 earlier, continue to pull to the direction of keeping away from fixed orifices 93, until unable pulling, wear out anodal coil 101 from crossing line hole 20 again, drive the sealing member and install and cross the internal fixation of line hole 20. Specifically, the fixing portion 92 of the sealing element is inserted into the fixing counter bore 22, and after the sealing surface of the sealing portion 91 is contacted with the sealing inclined surface 21 of the inclined surface hole, the top of the sealing portion 91 is continuously pressed manually, so that the sealing surface is attached to the sealing inclined surface 21 until the sealing portion 91 is completely plugged into the inclined surface hole.

In order to make the sealing portion 91 and the sealing inclined surface 21 fit more closely, the included angle between the sealing surface and the horizontal plane is set smaller than the included angle between the sealing inclined surface 21 and the horizontal plane. In the process of attaching the sealing surface to the sealing inclined surface 21, the top to the bottom of the sealing surface is gradually attached to the sealing inclined surface 21.

The diameter of the fixing counter bore 22 is equal to the diameter of the fixing portion 92, so that the sealing element can be stably inserted into the fixing counter bore 22 through the fixing portion 92. And the sealing part can be prevented from being easily loosened in the using process of the atomizer.

In some possible embodiments, the positive coil 101 may also be integrated with the sealing member, which may result in better sealing at the connection of the sealing member with the positive coil 101.

As shown in fig. 1, ten atomizing plates 6 may be disposed on the upper surface of the atomizer of this embodiment, ten atomizing plates 6 are correspondingly disposed with ten atomizing cavities 2, and the atomizing plates 6 are connected to the circuit board 8 disposed inside through two wire passing holes 20 disposed in the atomizing cavities 2. Still be provided with power indicator 103 on the atomizer for the operating condition of display atomizer, when the atomizer normally worked, power indicator 103 shows green lamp, trouble display red light.

The casing of current atomizer is made using metal, and the casing of metal material is opened the counter bore inconvenient and with high costs, selects to open the blind hole usually, uses the sealing gum and waterproof with the sealing washer in the junction of blind hole and atomizing piece 6, when changing atomizing piece 6, needs use tools to dismantle sealing washer and sealed glue, troublesome poeration. The newly replaced atomizing sheet 6 needs to be coated with the sealant again by using the sealing ring, so that the cost is high, and the sealing performance is not good enough. The shell of the atomizer of the embodiment is made of plastic materials, the atomizing cavity 2 formed by the counter bore is also made of plastic materials, the mold opening is convenient, and the cost is low. Atomizing chamber 2 is through with 1 threaded connection of sealed clamping ring for atomizing chamber 2's waterproof nature is good, and in addition outer sealing washer 5 and inner seal 4's further sealed, has strengthened atomizing chamber 2's waterproof nature. When changing atomizing piece 6, sealed clamping ring 1 dismantles conveniently.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above examples merely represent some embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A waterproof structure is characterized by comprising a shell, wherein an atomization cavity is arranged on the shell, the atomization cavity is detachably connected with a sealing press ring in a sealing mode, the sealing press ring is provided with a through hole, one surface, facing the atomization cavity, of the sealing press ring is provided with an annular outer flange, an atomization sheet is arranged in a fixing groove formed in the sealing press ring through the outer flange, the through hole is located in the fixing groove, and an inner sealing ring is arranged in the fixing groove; when the sealing press ring is in sealing connection with the atomization cavity, the sealing press ring and the atomization sheet extrude the inner sealing ring simultaneously.

2. The waterproof structure according to claim 1, wherein an annular inner flange is provided in the fixing groove, and an inner sealing cavity is formed between the inner flange and the outer flange; the inner sealing ring is arranged in the inner sealing cavity, and the height of the inner sealing ring is greater than that of the inner sealing cavity; when the sealing press ring is in sealing connection with the atomizing cavity, the atomizing sheet extrudes the inner sealing ring to finish inner sealing.

3. The waterproof structure according to claim 2, further comprising an outer sealing ring, wherein the outer sealing ring is sleeved on the outer flange; when the sealing press ring is in sealing connection with the atomization cavity, the outer sealing ring extrudes the top of the atomization cavity to complete outer sealing.

4. The waterproof structure according to claim 3, wherein a limiting counter bore is arranged at the top of the atomization cavity, the diameter of the limiting counter bore is equal to that of the outer sealing ring, and the outer sealing ring is arranged in the limiting counter bore; when the sealing press ring is in sealing connection with the atomizing cavity, the outer sealing ring extrudes the bottom of the limiting counter bore.

5. The waterproof structure according to claim 3, wherein an outer side face of the outer flange is provided with an annular groove, and the outer seal ring is fixed to the outer side face of the outer flange through the annular groove.

6. The waterproof structure according to claim 5, wherein an external thread is arranged on the outer side surface of the outer flange below the annular groove, an internal thread is arranged on the inner wall of the atomization cavity, the internal thread is matched and connected with the external thread, and the connection part of the sealing pressure ring and the atomization cavity is sealed.

7. The waterproof structure according to claim 1, wherein two mounting grooves are formed in one surface of the sealing pressure ring, which is far away from the atomization cavity, and the two mounting grooves are oppositely arranged and located on the same straight line.

8. An atomizer, comprising the waterproof structure according to any one of claims 1 to 7, wherein the waterproof structure comprises a housing, an atomization cavity is arranged on the housing, the atomization cavity is detachably and hermetically connected with a sealing press ring, the sealing press ring is provided with a through hole, one surface of the sealing press ring facing the atomization cavity is provided with an annular outer flange, an atomization sheet is arranged in a fixing groove formed on the sealing press ring by the outer flange, the through hole is positioned in the fixing groove, and an inner sealing ring is arranged in the fixing groove; when the sealing press ring is in sealing connection with the atomization cavity, the sealing press ring and the atomization sheet extrude the inner sealing ring simultaneously.

9. The atomizer according to claim 8, wherein a circuit board is disposed in the housing, two wire through holes are disposed at the bottom of the atomizing chamber, a positive coil and a negative coil are disposed in the atomizing chamber, when the sealing pressure ring is hermetically connected to the atomizing chamber, one end of the positive coil is in contact connection with the electrode of the atomizing sheet, and one end of the negative coil is in contact connection with the electrode of the atomizing sheet; the other end of the positive pole coil and the other end of the negative pole coil respectively penetrate through the two wire passing holes to be connected with the circuit board.

10. The atomizer according to claim 9, wherein an isolation boss is provided at the bottom of the atomizing chamber, the isolation boss is provided at a middle position thereof with the positive coil and is provided with one of the wire through holes, and the isolation boss is provided with the negative coil and is provided with the other of the wire through holes between the isolation boss and the edge of the atomizing chamber.