Airflow preheating block and electronic cigarette

Abstract

The present invention relates to an airflow preheating block, which includes a main body, on which a residue receiving groove and an airflow channel are provided; wherein, the residue receiving groove faces the atomizing chamber of the heating element, and the airflow channel is arranged outside the residue receiving groove and is connected with the atomizing chamber. The above-mentioned airflow preheating block includes a main body, on which a residue receiving groove and an airflow channel are provided, wherein the residue receiving groove faces the atomizing chamber of the heating element, and the airflow channel is arranged outside the residue receiving groove and is connected with the atomizing chamber. In this way, a residue receiving groove facing the atomizing chamber is formed on the airflow preheating block, and tobacco residues dropped from the atomizing chamber can be collected through the residue receiving groove, and the airflow can flow to the atomizing chamber through the airflow channel outside the residue receiving groove, and the airflow will not fall into the airflow channel, and will not be blocked, thereby improving the reliability of the electronic cigarette.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic cigarettes, and in particular to an airflow preheating block and an electronic cigarette. Background Art

[0002] Electronic cigarettes are products that replace traditional cigarettes by burning tobacco oil in an atomizer to produce smoke. They are easy to use, the taste can be changed by adjusting the tobacco oil, and the harm to human health is far less than that of traditional cigarettes. At the same time, they are conducive to quitting smoking. Therefore, they have been widely and rapidly promoted in the domestic and foreign markets in recent years. Traditional electronic cigarettes are generally equipped with a heating element and a preheating block. The preheating block is provided with a spiral airflow channel to guide the external airflow into the atomization chamber of the heating element.

[0003] However, when tobacco leaves or cigarettes are placed in the atomization chamber, tobacco residues may fall into the airflow channel, and the airflow channel may be blocked by the residues to increase the suction resistance of the smoking device, which will affect the normal use of the smoking device. Summary of the invention

[0004] Based on this, it is necessary to provide an airflow preheating block and an electronic cigarette to address the problem that the airflow channel in a traditional electronic cigarette may be blocked by smoke residue.

[0005] An airflow preheating block, comprising a body, the body being provided with a residue receiving groove and an airflow channel;

[0006] Wherein, the residue receiving groove faces the atomizing chamber of the heating element, and the air flow channel is arranged around the outside of the residue receiving groove and communicated with the atomizing chamber.

[0007] The airflow preheating block includes a body, on which a residue receiving groove and an airflow channel are provided, the residue receiving groove faces the atomizing chamber of the heating element, and the airflow channel is arranged outside the residue receiving groove and communicates with the atomizing chamber. In this way, a residue receiving groove facing the atomizing chamber is formed on the airflow preheating block, and tobacco residues dropped from the atomizing chamber can be collected through the residue receiving groove, while the airflow can flow to the atomizing chamber through the airflow channel outside the residue receiving groove, and the airflow will not fall into the airflow channel and will not be blocked, thereby improving the reliability of the electronic cigarette.

[0008] In one embodiment, the main body has a first outer wall, a second outer wall arranged opposite to the first outer wall, and a third outer wall connected between the first outer wall and the second outer wall, the third outer wall is provided with the air flow channel, and the first outer wall and the second outer wall are respectively provided with a first opening and a second opening connected to the air flow channel.

[0009] In one embodiment, the air flow channel is arranged in a spiral shape around the third outer wall.

[0010] In one embodiment, the residue receiving groove is formed on the first outer wall.

[0011] In one embodiment, the first opening is communicated with the residue receiving groove.

[0012] In one embodiment, the residue receiving groove is provided on both the first outer wall and the second outer wall, and the residue receiving groove on the first outer wall is independent of the residue receiving groove on the second outer wall.

[0013] In one embodiment, the first opening is communicated with the residue receiving groove on the first outer wall, and the second opening is communicated with the residue receiving groove on the second outer wall.

[0014] In one of the embodiments, the airflow preheating block further includes an auxiliary preheating component, and the auxiliary preheating component is disposed on the main body for transferring heat to the main body.

[0015] An electronic cigarette comprises a heating element and the above-mentioned airflow preheating block, wherein the airflow preheating block is matched with the heating element.

[0016] In one embodiment, the heating element is provided with an atomizing chamber, a receiving chamber and a through hole connecting the atomizing chamber and the receiving chamber, the airflow preheating block is arranged in the receiving groove, the through hole faces the residue receiving groove and is offset from the airflow channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an atomization assembly in one embodiment of the present invention;

[0018] Figure 2 for Figure 1 A schematic structural diagram of an airflow preheating block in the atomization assembly from one perspective;

[0019] Figure 3 for Figure 2 A schematic structural diagram of the airflow preheating block from another perspective;

[0020] Figure 4 for Figure 2 A schematic cross-sectional view of the airflow preheating block shown;

[0021] Figure 5 for Figure 2 The structural schematic diagram of the airflow preheating block shown is another perspective;

[0022] Figure 6 for Figure 2 The structural schematic diagram of the airflow preheating block shown is another perspective;

[0023] Figure 7It is a schematic structural diagram of an atomization assembly in another embodiment of the present invention;

[0024] Figure 8 for Figure 7 A schematic diagram of the structure of the airflow preheating block in the atomization assembly from one perspective

[0025] Fig. 9 for Figure 8 A schematic structural diagram of the airflow preheating block from another perspective;

[0026] Fig.10 for Figure 8 A schematic cross-sectional view of the airflow preheating block shown.

[0027] 200, atomizing assembly; 100, airflow preheating block; 10, main body; 11, residue receiving groove; 12, first outer wall; 121, first opening; 13, airflow channel; 14, second outer wall; 141, second opening; 16, third outer wall; 30, auxiliary preheating element; 210, heating element; 211, atomizing chamber; 213, accommodating chamber; 215, through hole. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0034] See also Figure 1 In one embodiment of the present invention, an electronic cigarette is provided, which includes an atomization component 200. The atomization component 200 is used to heat tobacco leaves, cigarette sticks or tobacco shreds to form smoke, and then the smoke can be inhaled into the user's mouth along with the airflow.

[0035] See also Figure 1-Figure 5 In some embodiments, the atomization assembly 200 includes a heating element 210 and an airflow preheating block 100, the heating element 210 is provided with an atomization chamber 211, the airflow preheating block 100 is matched with the heating element 210, and the airflow preheating block 100 is provided with an airflow channel 13, which is connected with the atomization chamber 211. In this way, the airflow preheating element contacts the heating element 210 to absorb the heat generated by the heating element 210, and then the airflow in the airflow channel 13 can be preheated, thereby increasing the smoke output speed of the smoking device and improving the smoking experience.

[0036] Furthermore, the airflow preheating block 100 includes a body 10, and a residue receiving groove 11 and an airflow channel 13 are provided on the body 10. The residue receiving groove 11 faces the atomizing chamber 211 of the heating element 210, and the airflow channel 13 is arranged outside the residue receiving groove 11 and communicates with the atomizing chamber 211. In this way, the residue receiving groove 11 facing the atomizing chamber 211 is formed on the airflow preheating block 100, and the tobacco residues dropped from the atomizing chamber 211 can be collected through the residue receiving groove 11, and the airflow can flow to the atomizing chamber 211 through the airflow channel 13 outside the residue receiving groove 11, and the airflow will not fall into the airflow channel 13, and will not be blocked, which can improve the reliability of the electronic cigarette.

[0037] Furthermore, the heating element 210 is provided with a receiving chamber 213 and a through hole 215 connected between the atomizing chamber 211 and the receiving chamber 213. The airflow preheating block 100 is arranged in the receiving chamber, and the through hole 215 faces the residue receiving chamber 11 and is misaligned with the airflow channel 13. That is, the airflow preheating block 100 is received and installed by the receiving chamber on the heating element 210, and the through hole 215 connecting the atomizing chamber 211 and the receiving chamber 213 faces the residue receiving chamber 11, and the tobacco residue dropped in the atomizing chamber 211 can drop into the residue receiving chamber 11 through the through hole 215, so that the tobacco residue can be collected by the residue receiving chamber 11; at the same time, the through hole 215 is misaligned with the airflow channel 13, and the tobacco residue dropped in the atomizing chamber 211 will not enter the airflow channel 13, and the airflow channel 13 will not be blocked.

[0038] In some embodiments, the body 10 has a first outer wall 12, a second outer wall 14 opposite to the first outer wall 12, and a third outer wall 16 connected between the first outer wall 12 and the second outer wall 14, an airflow channel 13 is provided on the third outer wall 16, and a first opening 121 and a second opening 141 communicating with the airflow channel 13 are provided on the first outer wall 12 and the second outer wall 14, respectively. Equivalently, an airflow channel 13 is provided on the outer side of the body 10, and a first opening 121 and a second opening 141 are provided on the body 10, the airflow channel 13 can be communicated with the outside through one of the first opening 121 and the second opening 141, and the airflow channel 13 can be communicated with the atomizing chamber 211 through the other of the first opening 121 and the second opening 141, so that the outside airflow can be guided into the atomizing chamber 211 through the airflow channel 13, so that the outside airflow enters the atomizing chamber 211 and mixes with the atomized smoke, and finally drives the atomized smoke into the user's mouth.

[0039] Optionally, the airflow channel 13 is arranged in a spiral shape around the third outer wall 16, so that the length of the airflow channel 13 is increased, so that the airflow in the airflow channel 13 can be in contact with the body 10 for a longer time for heat exchange, thereby improving the preheating effect of the airflow. Specifically in this embodiment, the body 10 is surrounded by a plurality of spirally wound baffles to form a spiral airflow channel 13. The specific shape of the airflow channel 13 is not limited here, and it can be arranged around the outer periphery of the body 10.

[0040] In some embodiments, a residue receiving groove 11 is provided on the first outer wall 12. When assembling the airflow preheating block 100, the airflow preheating block 100 is assembled in a direction such that the residue receiving groove 11 faces the atomizing chamber 211. In addition, the residue receiving groove 11 can be extended along the direction from the first outer wall 12 to the second outer wall 14, as long as the body 10 is not penetrated, so that the volume of the residue receiving groove 11 can be expanded, more residues can be collected through the residue receiving groove 11, and the effect of preventing blockage is better.

[0041] Furthermore, the first opening 121 provided on the first outer wall 12 is connected to the residue receiving groove 11, so that the airflow channel 13 and the residue receiving groove 11 are connected through the first opening 121, and the external airflow can enter the residue receiving groove 11 through the airflow channel 13, and then enter the atomizing chamber 211 through the through hole 215 provided on the heating element 210 corresponding to the residue receiving groove 11, allowing the airflow to flow smoothly. Among them, although the airflow will pass through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally, and will not block the airflow path.

[0042] It is understandable that in some other embodiments, the residue receiving groove 11 may also be provided on the second outer wall 14, which is not limited here.

[0043] See also Figure 7-Figure 10 In other embodiments, the first outer wall 12 and the second outer wall 14 are both provided with a residue receiving groove 11, and the residue receiving groove 11 on the first outer wall 12 and the residue receiving groove 11 on the second outer wall 14 are independent of each other. In this way, the residue receiving groove 11 is provided on both sides of the body 10. When assembling, it is not necessary to distinguish between the front and the back. Either the first outer wall 12 or the second outer wall 14 of the body 10 can be installed toward the atomization chamber 211, thereby improving the installation efficiency. At the same time, the two residue receiving grooves 11 are independent of each other and will not be connected. Either one of them can be used to collect residues after being connected to the atomization chamber 211.

[0044] Furthermore, the first opening 121 is in communication with the residue receiving groove 11 on the first outer wall 12, and the second opening 141 is in communication with the residue receiving groove 11 on the second outer wall 14. This is equivalent to making the residue receiving groove 11 on the first outer wall 12 in communication with the air flow channel 13 through the first opening 121, and making the residue receiving groove 11 on the second outer wall 14 in communication with the air flow channel 13 through the second opening 141. When the residue receiving groove 11 on the first outer wall 12 faces the atomizing chamber 211, the external airflow enters the residue receiving groove 11 on the first outer wall 12 from the first opening 121 after passing through the air flow channel 13, and then enters the atomizing chamber 211 from the through hole 215 on the heating element 210, so that the airflow in the air flow channel 13 enters the atomizing chamber 211 smoothly. When the residue receiving groove 11 on the second outer wall 14 faces the atomizing chamber 211, the external airflow passes through the airflow channel 13 and enters the residue receiving groove 11 on the second outer wall 14 from the second opening 141, and then enters the atomizing chamber 211 from the through hole 215 of the heating element 210, so that the airflow in the airflow channel 13 smoothly enters the atomizing chamber 211. Among them, although the airflow passes through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally without blocking the airflow path.

[0045] See also Figure 1 and Figure 6 In some embodiments, the airflow preheating block 100 further includes an auxiliary preheating member 30, which is disposed on the body 10 and used to transfer heat to the body 10. In this way, the heat is transferred to the airflow preheating block 100 through the heating member 210, and the airflow preheating block 100 is also heated by the auxiliary preheating member 30, so that the airflow flowing in the vortex preheating block can be quickly heated, which can further improve the smoke output speed of the electronic cigarette. Optionally, the auxiliary preheating member 30 is a heating wire.

[0046] In some embodiments, the electronic cigarette further includes a battery core, which is electrically connected to the heating element 210 and the auxiliary preheating element 30 to supply power to the heating element 210 and the auxiliary preheating element 30 .

[0047] The above-mentioned electronic cigarette has the following advantages:

[0048] (1) A residue receiving groove 11 is provided on the main body 10 of the airflow preheating block 100, and tobacco residues dropped from the atomization chamber 211 can be collected through the residue receiving groove 11 to prevent the tobacco residues from entering the airflow channel 13 and preventing the airflow channel 13 from being blocked, thereby ensuring the reliability of the use of the electronic cigarette.

[0049] (2) The through hole 215 provided on the heating element 210 faces the residue receiving groove 11 of the airflow preheating block 100 and is offset from the airflow channel 13, so that tobacco residue in the atomization chamber 211 connected to the through hole 215 can fall into the residue receiving groove 11, and the residue can be collected by the residue receiving groove 11. At the same time, the airflow channel 13 is offset from the through hole 215, and the residue in the receiving cavity will not fall into the airflow channel 13, thereby ensuring that the airflow channel 13 is unobstructed.

[0050] (3) The residue receiving groove 11 is connected to the air flow channel 13 through the first opening 121 or the second opening 141. After the external airflow enters the air flow channel 13, it can flow to the residue receiving groove 11, and then enter the atomizing chamber 211 through the through hole 215 connected to the residue receiving groove 11, so that the airflow can flow smoothly. Moreover, although the airflow will pass through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally, without blocking the airflow path.

[0051] (4) The airflow channel 13 is spirally arranged around the third outer wall 16 , which can increase the flow path of the airflow on the main body 10 and effectively preheat the airflow in the airflow channel 13 .

[0052] (5) The residue receiving groove 11 is provided on both the first outer wall 12 and the second outer wall 14, so there is no need to distinguish the front and back during assembly, which can improve assembly efficiency.

[0053] (6) A residue receiving groove 11 is provided on the first outer wall 12 or the second outer wall 14. The residue receiving groove 11 can extend between the first outer wall 12 and the second outer wall 14 as long as it does not penetrate the main body 10. This can expand the volume of the residue receiving groove 11 and more effectively prevent the airflow path from being blocked.

[0054] Based on the same inventive concept, in one embodiment of the present invention, there is also provided an airflow preheating block 100 as mentioned above, the airflow preheating block 100 comprises a body 10, a residue receiving groove 11 and an airflow channel 13 are provided on the body 10, the residue receiving groove 11 faces the atomizing chamber 211 of the heating element 210, and the airflow channel 13 is arranged outside the residue receiving groove 11 and communicates with the atomizing chamber 211. In this way, a residue receiving groove 11 facing the atomizing chamber 211 is formed on the airflow preheating block 100, and tobacco residues dropped from the atomizing chamber 211 can be collected through the residue receiving groove 11, and the airflow can flow to the atomizing chamber 211 through the airflow channel 13 outside the residue receiving groove 11, and the airflow will not fall into the airflow channel 13, and will not be blocked, thereby improving the reliability of the electronic cigarette.

[0055] In some embodiments, the body 10 has a first outer wall 12, a second outer wall 14 opposite to the first outer wall 12, and a third outer wall 16 connected between the first outer wall 12 and the second outer wall 14, an airflow channel 13 is provided on the third outer wall 16, and a first opening 121 and a second opening 141 communicating with the airflow channel 13 are provided on the first outer wall 12 and the second outer wall 14, respectively. Equivalently, an airflow channel 13 is provided on the outer side of the body 10, and a first opening 121 and a second opening 141 are provided on the body 10, the airflow channel 13 can be communicated with the outside through one of the first opening 121 and the second opening 141, and the airflow channel 13 can be communicated with the atomizing chamber 211 through the other of the first opening 121 and the second opening 141, so that the outside airflow can be guided into the atomizing chamber 211 through the airflow channel 13, so that the outside airflow enters the atomizing chamber 211 and mixes with the atomized smoke, and finally drives the atomized smoke into the user's mouth.

[0056] Optionally, the airflow channel 13 is arranged in a spiral shape around the third outer wall 16, so that the length of the airflow channel 13 is increased, so that the airflow in the airflow channel 13 can be in contact with the body 10 for a longer time for heat exchange, thereby improving the preheating effect of the airflow. Specifically in this embodiment, the body 10 is surrounded by a plurality of spirally wound baffles to form a spiral airflow channel 13. The specific shape of the airflow channel 13 is not limited here, and it can be arranged around the outer periphery of the body 10.

[0057] In some embodiments, a residue receiving groove 11 is provided on the first outer wall 12. When assembling the airflow preheating block 100, the airflow preheating block 100 is assembled in a direction such that the residue receiving groove 11 faces the atomizing chamber 211. In addition, the residue receiving groove 11 can be extended along the direction from the first outer wall 12 to the second outer wall 14, as long as the body 10 is not penetrated, so that the volume of the residue receiving groove 11 can be expanded, more residues can be collected through the residue receiving groove 11, and the effect of preventing blockage is better.

[0058] Furthermore, the first opening 121 provided on the first outer wall 12 is connected to the residue receiving groove 11, so that the airflow channel 13 and the residue receiving groove 11 are connected through the first opening 121, and the external airflow can enter the residue receiving groove 11 through the airflow channel 13, and then enter the atomizing chamber 211 through the through hole 215 provided on the heating element 210 corresponding to the residue receiving groove 11, allowing the airflow to flow smoothly. Among them, although the airflow will pass through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally, and will not block the airflow path.

[0059] It is understandable that in some other embodiments, the residue receiving groove 11 may also be provided on the second outer wall 14, which is not limited here.

[0060] In some other embodiments, the first outer wall 12 and the second outer wall 14 are both provided with a residue receiving groove 11, and the residue receiving groove 11 on the first outer wall 12 and the residue receiving groove 11 on the second outer wall 14 are independent of each other. In this way, the residue receiving groove 11 is provided on both sides of the body 10. When assembling, it is not necessary to distinguish between the front and the back. Either the first outer wall 12 or the second outer wall 14 of the body 10 can be installed toward the atomization chamber 211, thereby improving the installation efficiency. At the same time, the two residue receiving grooves 11 are independent of each other, and the two will not be connected. Either one of them can be used to collect residues after being connected to the atomization chamber 211.

[0061] Furthermore, the first opening 121 is in communication with the residue receiving groove 11 on the first outer wall 12, and the second opening 141 is in communication with the residue receiving groove 11 on the second outer wall 14. This is equivalent to making the residue receiving groove 11 on the first outer wall 12 in communication with the air flow channel 13 through the first opening 121, and making the residue receiving groove 11 on the second outer wall 14 in communication with the air flow channel 13 through the second opening 141. When the residue receiving groove 11 on the first outer wall 12 faces the atomizing chamber 211, the external airflow enters the residue receiving groove 11 on the first outer wall 12 from the first opening 121 after passing through the air flow channel 13, and then enters the atomizing chamber 211 from the through hole 215 on the heating element 210, so that the airflow in the air flow channel 13 enters the atomizing chamber 211 smoothly. When the residue receiving groove 11 on the second outer wall 14 faces the atomizing chamber 211, the external airflow passes through the airflow channel 13 and enters the residue receiving groove 11 on the second outer wall 14 from the second opening 141, and then enters the atomizing chamber 211 from the through hole 215 of the heating element 210, so that the airflow in the airflow channel 13 smoothly enters the atomizing chamber 211. Among them, although the airflow passes through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally without blocking the airflow path.

[0062] In some embodiments, the airflow preheating block 100 also includes an auxiliary preheating component 30, which is disposed on the main body 10 and is used to transfer heat to the main body 10. In this way, heat is transferred to the airflow preheating block 100 through the heating component 210, and the airflow preheating block 100 is also heated by the auxiliary preheating component 30, so that the airflow flowing in the vortex preheating block can be quickly heated, which can further improve the smoke output speed of the electronic cigarette.

[0063] The above-mentioned airflow preheating block 100 has the following advantages:

[0064] (1) A residue receiving groove 11 is provided on the main body 10 of the airflow preheating block 100, and tobacco residues dropped from the atomization chamber 211 can be collected through the residue receiving groove 11 to prevent the tobacco residues from entering the airflow channel 13 and preventing the airflow channel 13 from being blocked, thereby ensuring the reliability of the use of the electronic cigarette.

[0065] (2) The residue receiving groove 11 is connected to the air flow channel 13 through the first opening 121 or the second opening 141. After the external airflow enters the air flow channel 13, it can flow to the residue receiving groove 11, and then enter the atomizing chamber 211 through the through hole 215 connected to the residue receiving groove 11, so that the airflow can flow smoothly. Moreover, although the airflow will pass through the residue receiving groove 11, the residue receiving groove 11 itself is relatively large in size, and can accommodate the residue while allowing the airflow to flow normally, without blocking the airflow path.

[0066] (3) The airflow channel 13 is spirally arranged around the third outer wall 16 , which can increase the flow path of the airflow on the main body 10 and effectively preheat the airflow in the airflow channel 13 .

[0067] (4) The residue receiving groove 11 is provided on both the first outer wall 12 and the second outer wall 14, so there is no need to distinguish the front and back during assembly, which can improve assembly efficiency.

[0068] (5) A residue receiving groove 11 is provided on the first outer wall 12 or the second outer wall 14. The residue receiving groove 11 can extend between the first outer wall 12 and the second outer wall 14 as long as it does not penetrate the main body 10. The volume of the residue receiving groove 11 can be enlarged, and the blockage of the airflow path can be more effectively prevented.

[0069] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0070] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An electronic cigarette, characterized in that: It comprises a heating element and an airflow preheating block, the airflow preheating block is matched with the heating element, the heating element is provided with an atomizing chamber, a containing chamber and a through hole communicating between the atomizing chamber and the containing chamber, and the airflow preheating block is arranged in the containing chamber; The airflow preheating block comprises a body, on which a residue receiving groove and an airflow channel are provided; wherein the residue receiving groove faces the atomizing chamber of the heating element, the airflow channel is arranged outside the residue receiving groove and communicates with the atomizing chamber, and the through hole faces the residue receiving groove and is offset from the airflow channel; The main body comprises a first outer wall, a second outer wall arranged opposite to the first outer wall, and a third outer wall connected between the first outer wall and the second outer wall, the third outer wall is provided with the air flow channel, and the first outer wall and the second outer wall are respectively provided with a first opening and a second opening connected with the air flow channel.

2. The electronic cigarette according to claim 1, characterized in that: The air flow channel is arranged in a spiral shape around the third outer wall.

3. The electronic cigarette according to claim 1, characterized in that: The residue receiving groove is provided on the first outer wall.

4. The electronic cigarette according to claim 3, characterized in that: The first opening is communicated with the residue receiving groove.

5. The electronic cigarette according to claim 3, characterized in that: The residue receiving groove is formed on both the first outer wall and the second outer wall, and the residue receiving groove on the first outer wall is independent of the residue receiving groove on the second outer wall.

6. The electronic cigarette according to claim 5, characterized in that: The first opening is communicated with the residue receiving groove on the first outer wall, and the second opening is communicated with the residue receiving groove on the second outer wall.

7. The electronic cigarette according to any one of claims 1 to 6, characterized in that: The airflow preheating block further includes an auxiliary preheating component, which is disposed on the main body and is used to transfer heat to the main body.

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