CN217337403U - Split type plastic support of leak protection liquid and corresponding atomizing core - Google Patents

Abstract

The utility model provides a split type plastic support of leak protection liquid for support the subassembly in the atomizing core, the subassembly includes that heating member and liquid storage are cotton. The heating element comprises a heating core and two pins, and the heating core is provided with a through air hole along the axial direction. The liquid storage cotton comprises a liquid storage part and an extension part, the liquid storage part is sleeved outside the heating core, and the extension part protrudes out of one side of the liquid storage part. The split type plastic support comprises an outer cylinder and an inner cylinder. One end of the outer barrel is of an open structure, two positioning holes are formed in the bottom of the outer barrel and are used for two pins to penetrate out respectively, and a through air passage is formed between the two positioning holes. The bottom interference of inner tube is connected in the urceolus, and the inner wall of inner tube and the internal surface of the bottom of urceolus form and hold the chamber for hold stock solution portion and heating core. One side of the inner cylinder is provided with a through groove, the extending part is arranged in the through groove in a penetrating mode, the bottom edge of the through groove is higher than the inner surface of the bottom of the outer cylinder, and when the liquid storage cotton is fixed on the split type plastic support, the bottom edge of the through groove is in interference connection with the extending part.

Description

Split type plastic support of leak protection liquid and corresponding atomizing core

Technical Field

The utility model relates to an atomizing device technical field, in particular to split type plastic support of leak protection liquid and corresponding atomizing core.

Background

Aerosol is a colloidal dispersion system formed by dispersing small solid or liquid particles in a gaseous medium, and since aerosol can be absorbed by human body through the respiratory system, an atomization device which can generate aerosol by heating atomized liquid such as medical liquid or electronic cigarette liquid is used in various fields such as medical treatment and tobacco substitute products, thereby delivering aerosol for inhalation to users. The atomization device generally comprises a liquid storage cavity and an air outlet rod inserted in the liquid storage cavity, an atomization core is arranged in the air outlet rod, and a liquid inlet hole communicated with the liquid storage cavity is formed in the air outlet rod. Atomized liquid in the liquid storage cavity enters the air outlet rod through the liquid inlet hole, and then is atomized into aerosol due to high temperature generated by the atomizing core. Atomizing core and inside bearing support among the prior art, its structural design is reasonable inadequately, has the risk of weeping, influences product quality.

Therefore, it is necessary to provide a liquid-leakage-proof split plastic bracket and a corresponding atomizing core to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a split type plastic support of prevention of liquid leakage and atomizing core that corresponds to solve the atomizing core among the prior art and inside bearing support, its structural design is reasonable inadequately, has the risk of weeping, influences product quality's technical problem.

In order to solve the technical problem, the utility model adopts the technical scheme that:

a split type plastic support capable of preventing liquid leakage is used for supporting an assembly in an atomizing core, the assembly comprises a heating element and liquid storage cotton, the heating element comprises a heating core and two pins, the heating core is provided with through air holes along the axial direction, the two pins protrude out of one end of the heating core, the liquid storage cotton comprises a liquid storage part and an extension part, the liquid storage part is sleeved outside the heating core, and the extension part protrudes out of one side of the liquid storage part; the split type plastic support includes:

the outer barrel is of an opening structure at one end, two positioning holes are formed in the bottom of the outer barrel and are used for the two pins to penetrate through respectively, and a through air passage is formed between the two positioning holes; and (c) a second step of,

the bottom end of the inner cylinder is connected into the outer cylinder in an interference mode, and an accommodating cavity is formed by the inner wall of the inner cylinder and the inner surface of the bottom of the outer cylinder and used for accommodating the liquid storage part and the heating core; and when the liquid storage cotton is fixed on the split type plastic support, the bottom edge of the through groove is in interference connection with the extension part.

In the liquid leakage prevention split plastic support, the height difference between the bottom edge of the through groove and the inner surface of the bottom of the split plastic support is set to be 0.1mm-0.3 mm.

Split type plastic support of leak protection liquid in, the inside packing of locating hole has and is used for fixing the hot melt material of pin, the hot melt material by the protrusion in the hot melt structure in the outside of locating hole melts and forms, the hot melt structure is cylindricly, and it is provided with the perforation of the central symmetry that runs through along the axial, perforate with the locating hole is coaxial, just fenestrate diameter with the diameter of locating hole equals.

Split type plastic support of leak protection liquid in, two the inboard periphery of locating hole all is provided with guide channel, two the locating hole is located two respectively guide channel's middle part, guide channel's size is followed and is kept away from the one end of locating hole is to being close to the one end of locating hole diminishes gradually.

Leakage-proof split type plastic support in, the opposite side of inner tube is provided with the drain port, its with wear the groove and set up relatively, and with hold the chamber intercommunication, the outside of drain port is provided with fixed drain cotton, the base of drain port is higher than the internal surface of the bottom of urceolus, the outside periphery of drain port is provided with two portions of reducing thinness, is located respectively one side on the base of drain port and one side of topside, the portion of reducing thinness makes the drain cotton with the laminating of stock solution portion to make the atomized liquid pass through the drain cotton is defeated and is given stock solution portion.

Among the split type plastic support of leak protection liquid, the base of drain mouth is higher than wear the height on the base of groove.

In the split type plastic support for preventing liquid leakage, an insertion hole is formed in the top end of the inner cylinder, is communicated with the accommodating cavity and the penetrating groove and is used for inserting the liquid storage cotton, and the size of the insertion hole is gradually increased from inside to outside; the penetrating groove is provided with a fillet structure and an oblique angle structure which are convenient for leading in the liquid storage cotton from outside to inside at one end close to the insertion hole.

Split type plastic support of leak protection liquid in, the inside wall of urceolus is provided with prevents slow-witted strip, the lateral wall of the bottom of inner tube is provided with prevents slow-witted groove, prevent slow-witted groove and run through the lateral wall of inner tube, prevent slow-witted groove with wear the relative setting in groove, just prevent slow-witted groove with prevent slow-witted strip location joint.

Leakage-proof split type plastic support in, two lateral walls in preventing slow-witted groove are parallel to each other, the width in preventing slow-witted groove sets up to 1mm-3mm, two sides in preventing slow-witted groove's outside set up to the radius limit, prevent slow-witted strip and follow the internal surface of the bottom of urceolus extends to the opening part of urceolus, prevent slow-witted strip the length with prevent the highly uniform in slow-witted groove, prevent the shape of slow-witted strip the shape in preventing slow-witted groove matches.

An atomizing core comprises the split type plastic support.

The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses a split type plastic support and atomizing core that corresponds, it is fixed with two pins of heating member with the mode of packing through two locating holes, makes the air current pass through the air flue, makes the extension wear out from one side and carries atomized liquid through wearing the groove, and the difference in height of the internal surface of the bottom through the base of wearing the groove and urceolus forms the step to prevent that the unnecessary atomized liquid flow direction in bottom from holding the outside in chamber, cause atomized liquid to leak, effectively improved product quality.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.

Fig. 1 is the overall structure schematic diagram of the split plastic support of the present invention.

Fig. 2 is a schematic view of the overall structure of the split plastic bracket of the present invention at another angle.

Fig. 3 is an exploded schematic view of the split plastic bracket of the present invention.

Fig. 4 is an exploded schematic view of the split plastic bracket of the present invention at another angle.

Fig. 5 is a schematic top view of the outer tube of the split plastic bracket of the present invention.

Fig. 6 is a schematic view of the radial cross section structure of the split plastic support of the present invention.

Fig. 7 is a schematic top view of the overall structure of the split plastic support of the present invention.

Wherein the content of the first and second substances,

11. an outer cylinder is arranged on the outer cylinder,

111. a positioning hole is formed in the positioning plate,

112. the air passage is arranged on the air duct,

113. the hot-melt structure, 1131, the through holes,

114. the guide channel is arranged on the upper surface of the guide channel,

115. the anti-slow-down strip is arranged on the upper part of the frame,

12. an inner cylinder is arranged in the inner cavity,

121. the groove is penetrated through the groove, and the groove is penetrated through the groove,

122. an insertion opening is formed in the housing,

123. a liquid guide port is arranged on the upper surface of the liquid guide pipe,

124. the thickness of the thin-reducing part is reduced,

125. a guide-in part for guiding the liquid into the container,

126. the anti-staying groove is arranged on the upper part of the groove,

127. the convex steps are arranged on the upper surface of the base plate,

13. a receiving cavity.

In the drawings, elements having similar structures are denoted by the same reference numerals.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.

The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Atomizing core and inside bearing support among the prior art, its structural design is reasonable inadequately, has the risk of weeping, influences product quality.

The utility model provides a split type plastic support of leak protection liquid and the preferred embodiment of the atomizing core that corresponds that can solve above technical problem.

Referring to fig. 1-7, the utility model provides a split type plastic support for atomizing core, it is arranged in supporting the subassembly in the atomizing core, the subassembly includes heating member and liquid storage cotton, the heating member includes heating core and two pins, the heating core is provided with the air vent that runs through along the axial, two pins protrusion in the one end of heating core, the liquid storage cotton includes stock solution portion and extension, the outside at the heating core is established to stock solution portion cover, extension protrusion in one side of stock solution portion.

The split type plastic support comprises an outer cylinder 11 and an inner cylinder 12. One end of the outer barrel 11 is of an opening structure, and two positioning holes 111 are formed in the bottom of the outer barrel 11 and are used for two pins to penetrate out respectively. A through air passage 112 is arranged between the two positioning holes 111, and the air passage 112 is communicated with the vent holes for air flow to pass through. The bottom end of the inner cylinder 12 is of an opening structure, the bottom end of the inner cylinder 12 is connected in the outer cylinder 11 in an interference mode, and an accommodating cavity 13 is formed by the inner wall of the inner cylinder 12 and the inner surface of the bottom of the outer cylinder 11 and used for accommodating the liquid storage part and the heating core. One side of the inner cylinder 12 is provided with a through groove 121, and the extending part is arranged through the through groove 121, so as to be contacted with the atomized liquid and convey the atomized liquid to the liquid storage part. The bottom edge of the through groove 121 is higher than the inner surface of the bottom of the outer cylinder 11, when the liquid storage cotton is fixed on the split type plastic bracket, the bottom edge of the through groove 121 is in interference connection with the extending part,

the utility model discloses a split type plastic support, it is fixed with two pins of heating member with the mode of filling through two locating holes 111, makes the air current pass through air flue 112, makes the extension wear out through wearing groove 121 and carries atomized liquid from one side, and the difference in height of the internal surface of the bottom through wearing groove 121 and urceolus 11 forms the step to prevent that the unnecessary atomized liquid flow in bottom from holding the outside of chamber 13, cause the atomized liquid to leak, effectively improved product quality.

With reference to fig. 2, the height difference between the bottom edge of the through groove 121 and the inner surface of the bottom of the outer cylinder 11 can be set to 0.1mm-0.3 mm. Because the one end of liquid storage portion and the internal surface contact of the bottom of urceolus 11, above-mentioned size structure not only can prevent effectively that the unnecessary atomizing liquid of liquid storage portion from flowing to the outside that holds chamber 13, and its reasonable difference in height of the internal surface of the bottom of wearing groove 121 and urceolus 11 moreover for the bottom of liquid storage portion and the bottom of extension form reasonable difference in height, do benefit to the atomizing liquid supply of the bottom of liquid storage portion.

Referring to fig. 5, the inner peripheries of the two positioning holes 111 are provided with guide channels 114, the two positioning holes 111 are respectively located in the middle of the two guide channels 114, and the size of the guide channels 114 gradually decreases from one end far away from the positioning holes 111 to one end close to the positioning holes 111, and the guide channels are in a shape of a horn.

Please refer to fig. 5, and please refer to fig. 1 and fig. 7 simultaneously. The accommodating cavity 13 is cylindrical, the surface where the outer side wall of the guide channel 114 is located coincides with the surface where the side wall of the accommodating cavity 13 is located, the end portions of the two guide channels 114 located on the same side of the connecting line of the two positioning holes 111 are arranged adjacently, and the two guide channels 114 form a nearly circular shape in a surrounding manner. This structure makes the opening of guide channel 114 big enough, is more convenient for operating personnel to stretch into the pin in guide channel 114, improves machining efficiency.

Referring to fig. 2 and 4, the other side of the inner cylinder 12 is provided with a liquid guiding port 123, which is opposite to the through groove 121 and is communicated with the accommodating cavity 13. The outside of drain port 123 is provided with fixed drain cotton, carries the atomized liquid to the liquid storage part from two offsides, can be so that the atomized liquid supplies evenly, and when the side of split type plastic support received certain extrusion force, also can effectively guarantee its structural stability. The bottom edge of the liquid guide port 123 is higher than the inner surface of the bottom of the outer cylinder 11, two thinning portions 124 are arranged on the periphery of the outer side of the liquid guide port 123 and are respectively located on one side of the bottom edge and one side of the top edge of the liquid guide port 123, and the thinning portions 124 enable the liquid guide cotton to be attached to the liquid storage portion, so that atomized liquid can be smoothly conveyed to the liquid storage portion through the liquid guide cotton.

With continued reference to fig. 2 and 4, the thickness of the thinned portion 124 is 0.5mm to 0.7 mm. The structure can ensure the structural strength around the liquid guide port 123 and improve the fitting degree of the liquid guide cotton and the liquid storage cotton.

Referring to fig. 3 and 5, the positioning hole 111 is filled with a hot-melt material for fixing the lead, and the hot-melt material is formed by melting a hot-melt structure 113 protruding from the positioning hole 111. The figure shows a state before heat fusion. The structure enables the pin to be fixed and stable.

Referring to fig. 3 and fig. 5, the thermal melting structure 113 is cylindrical, and a through hole 1131 with a central symmetry is axially disposed through the thermal melting structure, the through hole 1131 is coaxial with the positioning hole 111, and a diameter of the through hole 1131 is equal to a diameter of the positioning hole 111. This structure is convenient for fill locating hole 111 after the hot melt structure 113 hot melt for the operation is accurate.

Referring to fig. 3 and 5, the diameter of the lead is 0.3mm, the diameter of the positioning hole 111 is 0.35mm to 0.5mm, and the depth of the positioning hole 111 is 3mm to 6 mm. The structure further enables the pin to be fixed and stable in the transverse direction and the longitudinal direction.

With continued reference to fig. 3 and 5, the thickness of the wall of the heat-fusible structure 113 is 0.5mm-1mm, and the length of the heat-fusible structure 113 is 3mm-5 mm. The structure enables the hot melting structure 113 to be fully filled with the positioning hole 111 after being melted, and no redundant hot melting material exists, so that other components are prevented from being affected.

Referring to fig. 4, the inner sidewall of the outer barrel 11 is provided with a fool-proof strip 115, the sidewall of the bottom end of the inner barrel 12 is provided with a fool-proof groove 126, and the fool-proof groove 126 is in positioning and clamping connection with the fool-proof strip 115. The structure ensures that the outer barrel 11 and the inner barrel 12 are simple to assemble, and effectively improves the production efficiency

Referring to fig. 4 and 5, the fool-proof strip 115 extends from the inner surface of the bottom of the outer tub 11 to the opening of the outer tub 11, and the height of the fool-proof groove 126 is the same as the length of the fool-proof strip 115. The fool-proof strip 115 is flush with the opening of the outer barrel 11, the fool-proof groove 126 and the fool-proof strip 115 are aligned conveniently, the bottom of the fool-proof strip 115 is connected with the inner surface of the bottom of the outer barrel 11, the height of the fool-proof groove 126 is consistent with the length of the fool-proof strip 115, the inner barrel 12 can be directly inserted into the bottom of the outer barrel 11, and the structure is stable and compact after installation.

Referring to fig. 4, the fool-proof groove 126 penetrates through the sidewall of the inner barrel 12, and the fool-proof groove 126 is disposed opposite to the through groove 121. The two opening structures are arranged in a staggered manner, so that the structural strength of the inner barrel 12 is not influenced.

Please refer to fig. 6, and please refer to fig. 4. Two side walls of the fool-proof groove 126 are parallel to each other, the width of the fool-proof groove 126 is set to be 1mm-3mm, and the shape and the size of the fool-proof strip 115 are respectively matched with the shape and the size of the fool-proof groove 126. The fool-proof groove 126 and the fool-proof strip 115 have reasonable shapes and sizes, so that the fool-proof groove 126 and the fool-proof strip 115 can be conveniently aligned and clamped.

Referring to fig. 6, two sides of the exterior of the fool-proof slot 126 are rounded. This structure makes the fool-proof groove 126 and the fool-proof bar 115 smoother in the process of slide clamping.

Referring to fig. 3, the bottom end of the inner cylinder 12 is provided with an introduction portion 125 for easy insertion, and the outer diameter of the introduction portion 125 is smaller than the inner diameter of the outer cylinder 11. This structure facilitates the insertion of the inner cylinder 12 into the outer cylinder 11.

With continued reference to fig. 2 and 4, the circumferential dimension of the fluid conducting port 123 is 1/3-1/2 of the circumferential dimension of the inner barrel 12. The structure can ensure that the liquid guide cotton is wide enough and the structural strength around the liquid guide port 123.

Referring to fig. 2, the bottom edge of the liquid guiding opening 123 is higher than the bottom edge of the through groove 121, and the height difference may be set to 0.5mm-1.5 mm. If the atomized liquid in the liquid storage part is too saturated, the structure can enable the atomized liquid to flow to the extending part, and the atomized liquid is effectively prevented from leaking from the side seam of the liquid guide port 123. Reasonable difference in height can effectively reduce the weeping risk, can make the drain cotton compromise the atomized liquid of liquid storage portion bottom again and carry for the atomized liquid of liquid storage portion supplies with in place.

Referring to fig. 1, the size of the insertion opening 122 gradually increases from inside to outside. The structure is convenient for inserting the liquid storage cotton.

Referring to fig. 1, the top end of the inner cylinder 12 is provided with an insertion opening 122 for inserting the liquid cotton, which is communicated with the through groove 121. The end of the through groove 121 close to the insertion opening 122 is sequentially provided with a round angle structure and an oblique angle structure from outside to inside so as to be convenient for inserting the liquid storage cotton.

Please refer to fig. 7, and also refer to fig. 1. One side of the through groove 121 close to the accommodating cavity 13 is of a rounded edge structure. This structure makes the junction of stock solution portion and extension and the side of wearing groove 121 laminate more, and not fragile stock solution is cotton.

Referring to fig. 1 and 3, the width of the through groove 121 is less than or equal to the thickness of the extending portion. This configuration allows the extension to completely fill the through-slot 121 so that the atomized liquid is delivered uniformly throughout the extension.

The utility model also provides an atomizing core, not shown in the figure. Comprises a glass fiber tube, a shell and the split type plastic bracket. The glass fiber tube is used for guiding out gas, the shell is of a cylindrical structure, the split type plastic support penetrates through the shell, referring to fig. 3, a convex step 127 is arranged on the top of the split type plastic support along the circumferential direction of the split type plastic support, and one end of the glass fiber tube is in limit abutting joint with the convex step 127.

The utility model discloses a split type plastic support's application method:

1. aligning the fool-proof groove 126 with the fool-proof strip 115, and connecting the bottom end of the inner barrel 12 into the outer barrel 11 in an interference manner;

2. placing the heating element into the accommodating cavity 13 from the insertion opening 122, wherein two pins of the heating element face downwards when the heating element is placed, and the two pins are respectively inserted into the two positioning holes 111 along the side walls of the two trumpet-shaped guide channels 114 in a sliding manner and penetrate through the through holes 1131 of the hot-melt structure 113;

3. heating the hot-melting structure 113, pushing the melted hot-melting material to fill the positioning hole 111, and after cooling, fixing the pin in the positioning hole 111, wherein no redundant hot-melting material exists outside the positioning hole 111;

4. pinching two sides of the sheet-shaped liquid storage cotton, forming a liquid storage part in the middle of the sheet-shaped liquid storage cotton, forming extension parts on the two sides, aligning the liquid storage part with the insertion hole 122, aligning the extension parts with the through groove 121, so that the liquid storage cotton is loaded into the accommodating cavity 13, sleeving the liquid storage part outside the heating core, and extending the extension parts to the outside through the through groove 121 so as to be in contact with atomized liquid and conveying the atomized liquid to the liquid storage part from one side;

5. the liquid guide cotton arranged outside the liquid guide port 123 is sunk into the liquid guide port 123 through the two thinning parts 124, is attached to the liquid storage part, and conveys atomized liquid to the liquid storage part from the other side;

6. the heating core in the liquid storage part heats the atomized liquid to change the atomized liquid into a steam shape, inputs airflow through the air passage 112 and discharges the airflow through the vent hole;

7. if there is a small amount of excess atomized liquid in the bottom of the reservoir, the bottom edge of the through groove 121 prevents the atomized liquid from flowing out of the containing chamber 13. If the bottom of the liquid storage part has more redundant atomized liquid, the bottom edge of the liquid guide port 123 is higher than the bottom edge of the through groove 121, so that the atomized liquid flows to the extension part arranged in the through groove 121 in an interference manner, and the atomized liquid is prevented from leaking through the side seam of the liquid guide port 123.

Thus, the use method of the split type plastic bracket of the preferred embodiment is completed.

The utility model discloses a split type plastic support and atomizing core that corresponds, it is fixed with two pins of heating member with the mode of filling through two locating holes, makes the air current pass through the air flue, makes the extension wear out from one side and carries atomized liquid through wearing the groove, and the difference in height of the internal surface of the bottom through the base of wearing the groove and urceolus forms the step to prevent that the unnecessary atomized liquid flow in bottom from holding the outside in chamber, cause atomized liquid to leak, effectively improved product quality.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention is to be determined by the appended claims.

Claims (8)

1. A split type plastic support capable of preventing liquid leakage is used for supporting an assembly in an atomizing core and is characterized in that the assembly comprises a heating element and liquid storage cotton, the heating element comprises a heating core and two pins, the heating core is provided with through air holes along the axial direction, the two pins protrude out of one end of the heating core, the liquid storage cotton comprises a liquid storage part and an extension part, the liquid storage part is sleeved outside the heating core, and the extension part protrudes out of one side of the liquid storage part; the split type plastic support includes:

the outer barrel is of an opening structure at one end, two positioning holes are formed in the bottom of the outer barrel and are used for the two pins to penetrate through respectively, and a through air passage is formed between the two positioning holes; and the number of the first and second groups,

the bottom end of the inner cylinder is connected into the outer cylinder in an interference manner, and an accommodating cavity is formed by the inner wall of the inner cylinder and the inner surface of the bottom of the outer cylinder and is used for accommodating the liquid storage part and the heating core; and when the liquid storage cotton is fixed on the split type plastic support, the bottom edge of the through groove is in interference connection with the extension part.

2. The liquid leakage preventing split type plastic bracket of claim 1, wherein a height difference between a bottom edge of the through groove and an inner surface of a bottom of the split type plastic bracket is set to be 0.1mm to 0.3 mm.

3. The liquid leakage prevention split type plastic support according to claim 1, wherein the positioning hole is filled with a hot-melt material for fixing the pin, the hot-melt material is formed by melting a hot-melt structure protruding out of the positioning hole, the hot-melt structure is cylindrical, a through hole with central symmetry is axially arranged, the through hole is coaxial with the positioning hole, and the diameter of the through hole is equal to the diameter of the positioning hole.

4. The split type plastic rack for preventing liquid leakage according to claim 1, wherein a liquid guide port is formed on the other side of the inner cylinder, the liquid guide port is opposite to the through groove and is communicated with the accommodating cavity, a fixed liquid guide cotton is arranged outside the liquid guide port, the bottom edge of the liquid guide port is higher than the inner surface of the bottom of the outer cylinder, two thinning portions are formed on the periphery of the outer side of the liquid guide port and are respectively located on one side of the bottom edge and one side of the top edge of the liquid guide port, the thinning portions enable the liquid guide cotton to be attached to the liquid storage portion, so that atomized liquid is conveyed to the liquid storage portion through the liquid guide cotton, and the bottom edge of the liquid guide port is higher than the bottom edge of the through groove.

5. The liquid leakage preventing split type plastic bracket as claimed in claim 1, wherein an insertion opening is provided at a top end of the inner cylinder, which is communicated with both the accommodating chamber and the through groove, for inserting the liquid storage cotton, and the size of the insertion opening is gradually increased from inside to outside; and one end of the through groove, which is close to the insertion opening, is sequentially provided with a round angle structure and an oblique angle structure from outside to inside so as to facilitate the introduction of the liquid storage cotton.

6. The liquid leakage preventing split plastic bracket according to claim 1, wherein the inner sidewall of the outer cylinder is provided with a fool-proof strip, the sidewall of the bottom end of the inner cylinder is provided with a fool-proof groove, the fool-proof groove penetrates through the sidewall of the inner cylinder, the fool-proof groove is opposite to the through groove, and the fool-proof groove is in positioning clamping connection with the fool-proof strip.

7. The liquid leakage preventing split type plastic bracket according to claim 6, wherein two side walls of the fool-proof groove are parallel to each other, the width of the fool-proof groove is set to be 1mm-3mm, two side edges of the exterior of the fool-proof groove are set to be rounded edges, the fool-proof strip extends from the inner surface of the bottom of the outer cylinder to the opening of the outer cylinder, the length of the fool-proof strip is consistent with the height of the fool-proof groove, and the shape of the fool-proof strip matches the shape of the fool-proof groove.

8. An atomizing core, characterized in that it comprises a split plastic holder according to any one of claims 1 to 7.

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