CN216568321U - Electronic atomization device and host machine thereof - Google Patents

Abstract

The utility model discloses an electronic atomization device and a host machine thereof, wherein the host machine comprises a support, and a microphone and an air guide frame which are arranged on the support, wherein the air guide frame comprises an air guide hole, and the air guide hole corresponds to the microphone; a first air guide groove and a second air guide groove which are arranged in parallel and are mutually spaced are formed on the air guide frame, and the first air guide groove and the second air guide groove are respectively communicated with the air guide holes; the support comprises an upper end wall, a pair of air guide channels which are communicated up and down and are arranged at intervals are arranged on the upper end wall, and the pair of air guide channels are respectively communicated with the first air guide groove and the second air guide groove. The utility model has the beneficial effects that: the air guide frame of the main machine is provided with a first air guide groove and a second air guide groove which are arranged in parallel and are mutually spaced, and even if one air guide groove is blocked, the normal work of the microphone can not be influenced.

Description

Electronic atomization device and host machine thereof

Technical Field

The present disclosure relates to an atomizer, and more particularly, to an electronic atomizer and a host thereof.

Background

An electronic atomizer in the related art includes an atomizer for heating and atomizing a liquid aerosol-generating substrate such as tobacco tar, liquid medicine, etc. to form an aerosol, and a main body detachably connected to the atomizer, and is provided for a user to inhale the aerosol. The host is used for supplying power to the atomizer and controlling the operation mode of the whole electronic atomization device. The host computer usually includes miaow head (air switch) and cooperates the response passageway with the miaow head, and the response passageway among the correlation technique is only one, when appearing the weeping, appears blockking up easily, influences the normal operating of miaow head.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved electronic atomization device and a host thereof.

In order to achieve the above object, the present invention provides a main frame for an electronic atomization device, which includes a support, and a microphone and an air guide frame disposed on the support, wherein the air guide frame includes an air guide hole, and the air guide hole corresponds to the microphone; a first air guide groove and a second air guide groove which are arranged in parallel and are mutually spaced are formed on the air guide frame, and the first air guide groove and the second air guide groove are respectively communicated with the air guide holes; the support comprises an upper end wall, a pair of air guide channels which are communicated up and down and are arranged at intervals are arranged on the upper end wall, and the pair of air guide channels are respectively communicated with the first air guide groove and the second air guide groove.

In some embodiments, the air guide comprises a longitudinally disposed first air guide plate portion comprising a first surface and a second surface disposed opposite to the first surface, and the air guide hole is formed in the first air guide plate portion and extends from the first surface to the second surface; the first gas guide groove and the second gas guide groove are formed on the first surface.

In some embodiments, the air hole is disposed at a lower portion of the first air guide plate portion, and the first air guide groove and the second air guide groove both extend from top to bottom in an S-shape.

In some embodiments, the first air guide groove and the second air guide groove are symmetrically arranged.

In some embodiments, the first surface of the first air guide plate portion is further formed with a first reservoir and a second reservoir, and the first reservoir and the second reservoir are respectively located at a lower side of one transverse air guide section of the first air guide groove and the second air guide groove.

In some embodiments, the first surface of the first air guide plate portion is further formed with a third reservoir disposed at a lower side of the air guide hole.

In some embodiments, the air guide frame further comprises a second air guide plate part which is connected with the upper side of the first air guide plate part and is transversely arranged, the upper surface of the second air guide plate part is tightly attached to the lower surface of the upper end wall, and a third air guide groove and a fourth air guide groove which are arranged at intervals are formed, and the third air guide groove and the fourth air guide groove respectively communicate the pair of air guide channels with the first air guide groove and the second air guide groove.

In some embodiments, the gas guide is L-shaped plate-like.

In some embodiments, the third air guide groove and the fourth air guide groove are arranged in parallel at intervals, and the length of the third air guide groove is greater than that of the fourth air guide groove.

An electronic atomization device is also provided, which comprises the host machine in any one of the above.

The utility model has the beneficial effects that: the air guide frame of the main machine is provided with a first air guide groove and a second air guide groove which are arranged in parallel and are mutually spaced, and even if one air guide groove is blocked, the normal work of the microphone can not be influenced.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic perspective view of an electronic atomizer according to some embodiments of the present invention.

Fig. 2 is a schematic perspective exploded view of the electronic atomizer shown in fig. 1.

Fig. 3 is a schematic perspective view of the electronic atomizer of fig. 1 with the bottom of the atomizer facing upward.

Fig. 4 is a schematic perspective view of the atomizer shown in fig. 3 in another state.

Fig. 5 is a schematic longitudinal sectional view of the atomizer shown in fig. 3.

Fig. 6 is a schematic longitudinal sectional view of the atomizer shown in fig. 3 in another state.

Fig. 7 is a schematic perspective exploded view of the atomizer shown in fig. 3.

Fig. 8 is an exploded view in longitudinal section of the atomizer shown in fig. 3.

Fig. 9 is a schematic perspective exploded view of the atomizer body of the atomizer shown in fig. 3.

Fig. 10 is a schematic view of an exploded longitudinal cross-section of the atomizer body of the atomizer shown in fig. 3.

Fig. 11 is a schematic perspective exploded view of the atomizing assembly of the atomizer shown in fig. 3.

Fig. 12 is an exploded view in longitudinal section of the atomizing assembly of the atomizer shown in fig. 3.

Fig. 13 is a schematic perspective exploded view of the main body of the electronic atomizer shown in fig. 1.

Fig. 14 is a schematic perspective exploded view of the main body shown in fig. 13.

Fig. 15 is a schematic perspective exploded view of the host body of the host shown in fig. 13 from another perspective.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 and 2 show an electronic atomisation device 1 in some embodiments of the utility model, the electronic atomisation device 1 being operable to heat atomise a liquid aerosol-generating substrate such as tobacco smoke, a liquid medicament, etc. to form an aerosol for inhalation by a user. Which in some embodiments may be a flat strip and includes an atomizer 10 and a main body 20, wherein the atomizer 10 in some embodiments may be detachably inserted into an upper end of the atomizer 10 along a longitudinal direction. The atomizer 10 is configured to receive a liquid aerosol-generating substrate and to heat-atomize the liquid aerosol-generating substrate, and the host 20 is configured to supply power to the atomizer 10 and to control the operation of the entire electronic atomization device 1. The nebulizer 10 may in some embodiments be a disposable nebulizer, so that when the liquid aerosol-generating substrate is consumed, the nebulizer 10 can be replaced with a new one.

As shown in fig. 3-8, the atomizer 10 may in some embodiments comprise a flat cylindrical atomizer body 11 and an elongated cylindrical atomizing assembly 13. The atomizer body 11 comprises a reservoir 110 for a liquid aerosol substrate, and the atomizing assembly 13 is inserted in the atomizer body 11 and can be moved from a first position protruding from the atomizer body 11 (the position shown in fig. 4) to a second position completely embedded in the atomizer body 11 (the position shown in fig. 3). When the atomizing assembly 13 is in the first position, the liquid aerosol-generating substrate in the reservoir 110 of the atomizer body 11 cannot flow into the interior of the atomizing assembly 13. When the atomization assembly 13 is located at the second position, the inside of the atomization assembly 13 is in fluid-conducting connection with the liquid storage cavity 110 of the atomizer body 11. In this regard, when the atomizing assembly 13 is in the first position, the atomizer 10 is less prone to leakage and is particularly suited for shipping. And then push atomizing assembly 13 from the first position to the second position when needed. The atomizing assembly 13 may be cylindrical in some embodiments.

Referring to fig. 8 to 10 together, the atomizer body 11 may include an atomizing base 111 for the atomizing assembly 13 to be inserted into, a sealing cover 112 sleeved on the top of the atomizing base 111, and a liquid storage shell 113 sleeved on the atomizing base 111 and the sealing cover 112, wherein a liquid storage cavity 110 is formed between the top surface of the sealing cover 112 and the inner surface of the liquid storage shell 113. The atomizing base 111 and the sealing cap 112 together form an atomizing base assembly.

The atomizing base 111 may have a cross-sectional shape of a race-track type column in some embodiments, and includes a bottom portion 1111, a top portion 1113, and a waist portion 1112 connected between the bottom portion 1111 and the top portion 1113, wherein the waist portion 1112 has a smaller cross-sectional size so as to form an air flow channel between an outer wall surface of the waist portion 1112 and an inner wall surface of the liquid storage case 113 and accommodate other components.

The atomizing base 111 may include a through hole 1110 extending therethrough in some embodiments for the atomizing assembly 13 to pass therethrough. A pair of adjacent limiting rings 1114 are disposed on the inner wall surface of the through hole 1110 near the bottom surface of the atomizing base 111 to form a limiting groove for limiting the atomizing assembly 13 at the first position. A limiting step 1115 is further disposed in the through hole 1110 away from the bottom surface of the atomizing base 111 to limit the atomizing assembly 13 at the second position.

The atomizing base 111 in some embodiments further includes an air intake 1116 formed in the waist 1112 that communicates the through-hole 1110 with an outer surface of the waist 1112. The atomizing base 111 further includes an air inlet 1117 extending upward from the bottom surface in some embodiments, and the air inlet 1117 communicates with the air inlet 1116 through a gap between the outer wall surface of the waist 1112 and the inner wall surface of the liquid storage case 113. The cross-section of the air inlet conduit 1117 may be racetrack shaped in some embodiments, and its length is perpendicular to the cross-sectional length of the atomizing base 111.

The atomizing base 111 further includes a liquid injection hole 1118 extending vertically therethrough, and a pair of mounting holes 1119 extending upwardly from the bottom surface, the liquid injection hole 1118 being used for injecting the liquid aerosol substrate into the liquid storage chamber 110, the pair of mounting holes 1119 being respectively disposed at two opposite sides of the through hole 1110 for respectively inserting the pair of magnetic attraction members 115 therein. The atomizing base 111 may also include a relief hole 1110a (shown in fig. 3 and 4) in some embodiments.

The sealing cover 112, which may be made of soft material such as silicon gel in some embodiments, tightly covers the top 1113 of the atomizing base 111, and includes a first sealing portion 1121 covering the top surface of the top 1113 and an annular second sealing portion 1122 covering the outer wall surface of the top 1131. The first sealing portion 1121 is further provided with a first through hole 1120 and a second through hole 1124 corresponding to the through hole 1110 and the liquid injection hole 1118, the first through hole 1120 further extends downwards to form a third sealing portion 1123, and the third sealing portion 1123 tightly covers the inner wall surface of the through hole 1110 and can be used for blocking the atomizing assembly 13. The first through hole 1120 forms a receiving hole for the atomizing assembly 13 to be inserted into together with the through hole 1110.

The liquid storage case 113 may include a flat cylindrical housing 1131, a nozzle hole 1130 formed at an upper end of the housing 1131, and an air tube 1132 integrally connected to an inside of the housing 1131 and communicating with the nozzle hole 1130, wherein the air tube 1132 is used for communicating with the atomizing assembly 13.

The nebulizer body 11 may also include, in some embodiments, a wicking member 114, a pair of magnetic members 115, a liquid injection plug 116, a sealing cartridge 117, and a bottom cap 118. The liquid absorbing member 114 can be made of cotton strip and is disposed in the gap between the waist portion 1111 and the inner wall of the liquid storage case 13 to absorb possible leakage of liquid and prevent leakage of liquid. The pair of magnetic members 115 may have a cylindrical shape in some embodiments, and are respectively inserted into the pair of mounting holes 1119 of the atomizing base 111 for magnetically attracting the host 20. The sealing cylinder 117 is plugged in the air duct 1132 of the liquid storage shell 113 and sleeved on the atomization assembly 13 to seal the outer wall surface of the atomization assembly 13 and the inner wall surface of the air duct 1132. The bottom cover 118 is buckled at the bottom of the atomizing base 111 and is buckled with the lower end of the liquid storage shell 113, so as to tightly connect the atomizing base 111 and the liquid storage shell 113 together. As shown in fig. 10, the inner wall of the sealing cylinder 117 has a sealing ring 1171, 1172 on the upper and lower sides thereof, so that the atomizing assembly 13 can be well sealed when moving up and down. The bottom cover 118 may be made of a metal material in some embodiments, and has through holes corresponding to the through holes 1110, the inlet pipes 1117, and the relief holes 1110 a.

Referring to fig. 8, 11 and 12 together, the atomizing assembly 13 may include a cylindrical base 131, an atomizing core 132 installed at an upper end of the base 131, a vent pipe 133 sleeved at an upper end of the base 131 and tightly covering the atomizing core 132, and a pair of electrode pillars 134 embedded at a lower end of the base 131 in an electrically insulated manner, wherein the pair of electrode pillars 134 are electrically connected to the atomizing core 132, respectively. The atomizing assembly 13 may also include a seal ring 135 that is received on the base 131 in some embodiments.

The base 131, which may be integrally formed of a rigid plastic material in some embodiments, includes a base 1311 with a runway-shaped cross section, a cylindrical mounting 1312, and a pair of legs 1313 for mounting the mounting 132 to the base 1311, wherein an air inlet 1310 is formed between the mounting 1312 and the base 1311.

The base 1311 may include a pair of receiving holes 1314 passing through the upper and lower portions thereof, and an annular receiving groove 1315 formed on a side wall surface of the upper end, wherein the pair of receiving holes 1314 are used for the pair of electrode posts 134 to be inserted therein, and the receiving groove 1315 is used for the sealing ring 135 to be received therein. The pair of legs 1313 are erected on the upper end surface of the base 1311 at an interval and are located on the long sides of the upper end surface.

The mounting seat 1312 may include a through hole 1316 and a pair of through holes 1317, wherein the through holes 1317 are disposed at two opposite sides of the through hole 1316 and correspond to the receiving holes 1314 of the base 1311, so that the two electrode leads of the atomizing core 132 are mechanically and electrically connected to the electrode posts 134. The lower end of the mounting seat 1312 is further provided with a rim 1318 protruded therefrom to support the lower end of the vent pipe 133.

The atomizing core 132 may include a cylindrical liquid-absorbing body 1321 and a heat-generating body 1322 provided on an inner wall surface of the liquid-absorbing body 1321, and the heat-generating body 1322 includes two electrode leads extending downward. The liquid absorption body 1321 may be formed by winding a cotton sheet in some embodiments, which has excellent liquid absorption performance. The central portion of the absorbent body 1321 forms an air flow passage 1320 for air to pass through.

The vent pipe 133 may be cylindrical in some embodiments, and may include a first pipe section 1331 at a lower portion and a second pipe section 1332 at an upper portion, the second pipe section 1332 having both an inner diameter and an outer diameter smaller than those of the first pipe section 1331. The inner diameter of the first pipe section 1331 is adapted to the diameter of the mounting seat 131 and the outer diameter of the atomizing core 132, so that the lower end of the first pipe section 1331 can be tightly sleeved on the mounting seat 131, and at the same time, the first pipe section 1331 tightly covers the liquid carrier 1321 of the atomizing core 132. A pair of liquid inlet holes 1330 are further formed in the first pipe segment 1331 at a position corresponding to the liquid absorbing body 1321, so that the liquid in the liquid storage chamber 110 can be connected with the liquid absorbing body 1321 in a liquid guiding manner.

As shown in fig. 5, 6, and 8, when the nebulizer 10 is assembled, the nebulizer kit 13 is gradually inserted into the nebulizer body 11 through the through hole 1110 of the nebulizer body 11. When the atomizing assembly 13 moves to the position shown in fig. 6, the atomizing assembly 13 is clamped between the two stop rings 1114 in the through hole 1110, so that the atomization assembly 13 is pre-positioned. At this time, the upper end of the vent pipe 133 of the atomizing assembly 13 extends into the sealing cylinder 117 in the air duct 1132 of the reservoir housing 113, and is enhanced and sealed by the sealing ring 1172; the liquid inlet hole 1330 of the vent pipe 133 is blocked by the third sealing part 1123 of the sealing cover 112, so that the atomizing core 132 is isolated from the reservoir 110.

When an external force is applied to the atomizing assembly 13, the resistance of the limiting ring 1114 to the atomizing assembly 13 is overcome, and the atomizing assembly 13 further moves toward the atomizer body 11 until the top surface of the base 1311 of the atomizing assembly 13 abuts against the step 1115, the liquid inlet hole 1330 is exposed to the liquid storage cavity 110, so that the atomizing core 132 is in liquid-guiding connection with the liquid storage cavity 110, and the atomizer 10 enters a use state. At this time, the bottom surface of the atomizing assembly 13 may be flush with the bottom surface of the atomizer body 11.

As shown in fig. 13, the main body 20 may include a flat cylindrical housing 21 having an opening 210 at an upper end thereof, a flat cylindrical main body detachably embedded in the housing 21 through the opening 210, and a sheet-shaped stopper 22 for restraining the main body within the housing 21. The main body may have a limiting groove 237 for the limiting member 22 to be inserted into, and the housing 21 has a limiting hole 212 corresponding to the limiting groove 237. The limiting member 22 is partially inserted into the limiting groove 237 through the limiting hole 212, and partially located in the limiting hole 212 to limit the host body in the longitudinal direction, so as to lock the host body in the housing 21. When the host body needs to be detached, the limiting piece 22 can be pried out, and the host body can be taken out from the shell 21 after the limiting in the longitudinal direction in the shell 21 is removed, so that the battery on the host body can be conveniently replaced or the electronic components can be conveniently maintained. The host 20 adopts the limiting part 22 to limit the host body and the shell 21, glue or screw locking between the host body and the shell 21 is not needed, and the dismounting efficiency is improved. The retaining member 22 may be a logo member such as a trademark in some embodiments, and may be made of a light-transmitting material.

As shown in fig. 14 and 15, the main body may include a flat cylindrical support 23, and a battery assembly 24, a control circuit 25, an airway frame 26, a fixing frame 27, a pair of airway tubes 28, and an end cap 29 mounted on the support 23. The battery assembly 24 is used for supplying power to the atomizer 10, the control circuit 25 is used for controlling the on-off of the electricity and the operation mode of the whole electronic atomization device 1, the air guide frame 26 is used for providing a sensing channel for the microphone 253 on the control circuit 25, the fixing frame 27 is used for fixing the air guide frame 27 and the control circuit 25 in the support 23, the pair of air guide tubes 28 is used for being communicated with the air guide frame 26, and the end cover 29 is used for covering the upper end face of the support 23.

The bracket 23 may include a racetrack-shaped upper end wall 231, a partition wall 232 spaced apart from and parallel to the upper end wall 231, and a blocking wall 233 connected between the upper end wall 231 and the partition wall 232, wherein a receiving chamber 230 is formed between the upper end wall 231 and the partition wall 232, and the receiving chamber 230 has an opening opposite to the blocking wall 233. The control circuit 25 and the air guide frame 26 are placed in the housing chamber 230 through the opening and are fixed by the fixing frame 27. The upper end wall 231 may in some embodiments include a pair of diagonally disposed, through-going air guide channels 2310, the pair of air guide channels 2310 being adapted to communicate with the air guide frame 26. The pair of air ducts 28 are respectively embedded in the pair of air guide channels 2310 and respectively correspond to the escape holes 1110a and the air inlet duct 1117 at the bottom of the atomizer 10, so that when one air duct 28 is located in the air inlet duct 1117, the other air duct 28 is located in the escape hole 1110 a. Embedded in the upper end wall 231 may, in some embodiments, be a pair of magnetic elements 2312, a pair of electrode pins 2314, and an annular wall 2316 surrounding the pair of electrode pins 2314.

The control circuit 25 may include a circuit board 251 and a cylindrical head 253 disposed on the circuit board 251 in some embodiments. The circuit board 251 is tightly attached to the second surface of the air guide frame 26, and the microphone 253 is matched with the air guide frame 26, so that the microphone 253 is driven to work by guiding airflow through the air guide frame 26.

The air guide frame 26 may be L-shaped in some embodiments, and may include a first air guide plate portion 261 arranged longitudinally and a second air guide plate portion 262 arranged transversely, the first air guide plate portion 261 being adapted to abut against the blocking wall 233, and the second air guide plate portion 262 being adapted to abut against the upper end wall 231. The lower portion of the first air guide portion 261 may be formed with a cylindrical air guide hole 2610 corresponding to the microphone 253, and the air guide hole 2610 extends from the first surface to the second surface of the first air guide portion 261. The surface of the first air guide plate 261, which is attached to the blocking wall 233, is provided with a first air guide groove 2612 and a second air guide groove 2614 which are arranged in parallel, and the first air guide groove 2612 and the second air guide groove 2614 both extend from top to bottom in an S-shape and are respectively communicated with the air guide hole 2610. The first air guide groove 2612 and the second air guide groove 2614 may be symmetrically arranged in some embodiments.

The surface (first surface) of the first air guide plate portion 261 facing the blocking wall 233 may include, in some embodiments, a first liquid storage tank 2611 and a second liquid storage tank 2613, where the first liquid storage tank 2611 and the second liquid storage tank 2613 are respectively located at a lower side of one transverse air guide section of the first air guide tank 2612 and the second air guide tank 2614 to receive possible leakage liquid, so as to prevent the leakage liquid from entering the microphone 253 and affecting the normal operation of the microphone 253.

The surface of the first air guide portion 261 facing the blocking wall 233 may further include a third liquid storage tank 2615 in some embodiments, and the third liquid storage tank 2615 is arranged right below the air guide hole 2610 so as to further receive possible leakage liquid and further reduce the leakage liquid from entering the microphone 253.

The second air guide plate portion 262 may include a third air guide groove 2621 and a fourth air guide groove 2623 in some embodiments, and the third air guide groove 2621 and the fourth air guide groove 2623 are respectively formed on the surface of the second air guide plate portion 262 attached to the upper end wall 231 and respectively communicate with the first air guide groove 2612 and the second air guide groove 2614. The third and fourth air guide grooves 2621 and 2623 are also in communication with the pair of air guide channels 2310, respectively, and further in communication with the pair of air guide tubes 28, respectively. The third and fourth air guide grooves 2621 and 2623 are preferably arranged in parallel and spaced apart, and the length of the third air guide groove 2621 is greater than the length of the fourth air guide groove 2623.

The airway tube 28 may in some embodiments include an air outlet 280 in the upper sidewall and a top block 281 to allow lateral flow of air and to prevent leakage from entering the airway tube 28. The air outlet 280 is located on the upper side wall of the air duct 28 and protrudes a distance from the top surface of the end cap 29, so that even if the liquid medium leaks from the atomizer 10 to the top surface of the end cap 29, the liquid medium cannot easily enter the air duct 28. The central portion of the air duct 28 may also be provided with a rim 283, which rim 283 abuts against the edge of the mounting hole 290 of the end cap 29, on the one hand to secure the air duct 28, and on the other hand to facilitate a liquid seal between the air duct 28 and the mounting hole 290. The lower end of the air duct 28 is provided with an air inlet hole to communicate with the air duct 2310.

The end cap 29, which in some embodiments may be made of a soft material, covers the top surface of the upper end wall 231 to reduce the chance of leakage through the fitting clearance of the parts on the upper end wall 231. The end cap 29 includes a collection groove 290 formed on the top surface by being recessed downward, a pair of mounting holes 290 penetrating up and down for closely fitting the collection groove 290 to the pair of air guide tubes 28, and a pair of air inlet grooves 292 communicating the collection groove 290 with the outside, respectively, the pair of air inlet grooves 292 allowing the external air to enter into the gap between the lower end surface of the atomizer 10 and the upper end surface of the main body 20.

It should be noted that, for a person skilled in the art, the above-mentioned features can be freely combined, and several variations and modifications can be made without departing from the concept of the present invention, which falls within the protection scope of the present invention.

Claims (10)

1. A host machine is used for an electronic atomization device and comprises a support, a microphone and an air guide frame, wherein the microphone and the air guide frame are arranged on the support; the air guide frame is characterized in that a first air guide groove and a second air guide groove which are arranged in parallel and are mutually spaced are formed on the air guide frame, and the first air guide groove and the second air guide groove are respectively communicated with the air guide holes; the support comprises an upper end wall, a pair of air guide channels which are communicated up and down and are arranged at intervals are arranged on the upper end wall, and the pair of air guide channels are respectively communicated with the first air guide groove and the second air guide groove.

2. The mainframe according to claim 1, wherein the air guide frame comprises a first air guide plate portion arranged longitudinally, the first air guide plate portion comprises a first surface and a second surface which are arranged oppositely, and the air guide hole is formed on the first air guide plate portion and penetrates from the first surface to the second surface; the first gas guide groove and the second gas guide groove are formed on the first surface.

3. The mainframe according to claim 2, wherein the air hole is disposed at a lower portion of the first air guide plate portion, and the first air guide groove and the second air guide groove both extend from top to bottom in an S-shape.

4. The mainframe according to claim 3, wherein the first air guide groove and the second air guide groove are symmetrically arranged.

5. The mainframe according to claim 3, wherein the first surface of the first air guide plate portion is further formed with a first reservoir and a second reservoir, and the first reservoir and the second reservoir are respectively located at a lower side of one transverse air guide section of the first air guide groove and the second air guide groove.

6. The host machine according to claim 3, wherein the first surface of the first air guide plate portion is further formed with a third reservoir disposed at a lower side of the air guide hole.

7. The mainframe according to any one of claims 2 to 6, wherein the air guide frame further comprises a second air guide plate portion connected to the upper side of the first air guide plate portion and disposed transversely, the upper surface of the second air guide plate portion is closely attached to the lower surface of the upper end wall, and third and fourth air guide grooves are formed at intervals, and the third and fourth air guide grooves respectively communicate the pair of air guide channels with the first and second air guide grooves.

8. The mainframe of claim 7, wherein the air guide frame is in the shape of an L-shaped plate.

9. The mainframe according to claim 7, wherein the third air guide groove and the fourth air guide groove are arranged in parallel and spaced, and the length of the third air guide groove is greater than that of the fourth air guide groove.

10. An electronic atomisation device comprising a host as claimed in any one of claims 1 to 9.

Images