A handheld tobacco roaster

Abstract

This invention discloses a handheld tobacco roaster, comprising: a housing having a vent and a tobacco insertion chamber for inserting a cigarette; a tobacco-pulling mechanism disposed within the housing, including a spiral shaft extending into the tobacco insertion chamber and adapted to engage with the inserted cigarette, and a driving component that drives the spiral shaft to rotate and pull the tobacco from the tobacco paper covering the tobacco outwards; and a tobacco roasting mechanism located between the tobacco insertion chamber and the vent for heating the tobacco entering the roasting mechanism. By providing the tobacco-pulling mechanism and the tobacco roasting mechanism within the housing, when a cigarette is inserted into the tobacco insertion chamber, the tobacco-pulling mechanism pulls the tobacco from the tobacco paper outwards, and the pulled-out tobacco enters the interior of the tobacco roasting mechanism. When the tobacco roasting mechanism heats up, it heats the tobacco inside to produce smoke. The user can then use the cigarette filter inserted into the tobacco insertion chamber to smoke, avoiding the influence of the flavor produced by the burning tobacco paper on the flavor of the smoke produced by the heated tobacco, thus improving the user's smoking experience.

Description

Technical Field

[0001] This invention relates to the field of smoking appliances, specifically to a handheld tobacco roaster. Background Technology

[0002] Currently, electronic cigarette devices on the market are mainly divided into two types: one is an electronic atomizing device that produces inhalable vapor by evaporating e-liquid, and the other is a low-temperature heated cigarette device that heats the tobacco stick at a low temperature without combustion to produce inhalable vapor. For low-temperature heated cigarette devices, a heating element, such as a heating plate, is generally inserted into the cigarette stick to heat it. By controlling the heating temperature, the components in the cigarette stick evaporate, producing vapor for the user to inhale.

[0003] However, in existing low-temperature heated smoking devices, the heating element is directly inserted into the inside of the cigarette. During the heating process, not only is the tobacco inside the cigarette heated and produces smoke, but the paper wrapping the tobacco is also easily scorched or even ignited. The smell produced by the burning paper mixes with the smoke produced by the heated tobacco, affecting the smoking experience. Moreover, the residue left after the tobacco is baked remains on the heating element of the smoking device, affecting the heating effect of the heating element when used next time. Summary of the Invention

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect of poor smoke inhalation caused by the heating method of directly inserting the heating plate into the inside of the cigarette in the prior art low-temperature combustion tobacco device, thereby providing a handheld tobacco roaster.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0006] A handheld tobacco roaster, comprising:

[0007] The casing has a vent and a cigarette insert cavity for inserting a cigarette holder;

[0008] A tobacco-pulling mechanism is disposed within the housing, comprising a spiral shaft extending into the cigarette insertion cavity and adapted to be inserted into the cigarette stick inserted into the cigarette insertion cavity, and a driving member that drives the spiral shaft to rotate to pull the tobacco shreds in the cigarette stick outward from the tobacco paper wrapping the tobacco shreds;

[0009] The tobacco curing mechanism is disposed within the housing and located between the tobacco insertion chamber and the ventilation opening, and is used to heat the tobacco shreds entering the tobacco curing mechanism.

[0010] Furthermore, the end of the spiral shaft near the cigarette is provided with a spiral cone head to facilitate the insertion of the spiral shaft into the cigarette.

[0011] Furthermore, the tobacco curing mechanism includes a tubular heating cylinder with openings at both ends. One end of the heating cylinder is connected to the tobacco insertion chamber, and the other end of the heating cylinder is connected to the ventilation port. The heating cylinder is used to heat the tobacco shreds that enter its inner cavity.

[0012] Furthermore, the heating element is a ceramic heating element.

[0013] Furthermore, the tobacco curing mechanism also includes heat insulation rings fixedly sleeved around both ends of the heating cylinder and heat insulation cups fixedly sleeved around the heat insulation rings.

[0014] Furthermore, the housing is provided with a channel to facilitate the flow of the extracted tobacco into the heating element, and the housing is also provided with a door mechanism; the door mechanism includes a door body located at one end of the channel near the tobacco curing mechanism and having several through holes thereon, and a door drive assembly connected to the door body for driving the door body to open so that the tobacco can enter the tobacco curing mechanism or driving the door body to cover one end of the tobacco curing mechanism to prevent the tobacco from entering the tobacco curing mechanism.

[0015] Furthermore, the door body is rotatably connected to the housing about a door hinge; the door drive assembly includes a connecting rod fixedly connected to the door hinge, and a toggle switch connected to the connecting rod and slidably installed in a limiting groove in the housing.

[0016] Furthermore, a control circuit board is also provided inside the housing, and the driving component and the tobacco curing mechanism are both electrically connected to the control circuit board; the control circuit board is provided with a trigger start switch, and a toggle switch is connected to a toggle lever. During the movement of the toggle switch, the toggle lever has a trigger position that triggers the trigger start switch and a non-trigger position that separates from the trigger start switch to make contact with the trigger start switch; when the trigger start switch is triggered, the control circuit board controls the driving component to drive.

[0017] Furthermore, the housing also contains a rechargeable battery electrically connected to the control circuit board, and the control circuit board is vertically mounted on the housing between the rechargeable battery and the cigarette insertion chamber.

[0018] Furthermore, a filter cover is installed on the vent, one end of which extends into the interior of the heating element, and the filter cover has several filter holes; an outer door cover is installed on the housing to block the outside of the filter cover.

[0019] The technical solution of this invention has the following advantages:

[0020] 1. The handheld tobacco roaster provided by this invention, by setting a tobacco-pulling mechanism and a tobacco roasting mechanism in the housing, inserts a tobacco stick into the tobacco insertion chamber of the housing. The spiral shaft of the tobacco-pulling mechanism is inserted into the tobacco inside the tobacco paper. The driving component drives the spiral shaft to rotate. During the rotation of the spiral shaft, the tobacco inside the tobacco paper is pulled outward. The pulled-out tobacco enters the interior of the tobacco roasting mechanism. When the tobacco roasting mechanism heats up, it heats the tobacco inside to produce smoke. The user can use the tobacco filter inserted in the tobacco insertion chamber to smoke. After smoking, the tobacco filter and the tobacco paper wrapped around the tobacco can be removed outward as a whole. This avoids the influence of the flavor produced by the burning tobacco paper on the flavor of the smoke produced by the heated tobacco, and can improve the user's smoking experience.

[0021] 2. The handheld tobacco roaster provided by the present invention has a spiral cone head at one end of the spiral shaft, which facilitates the insertion of the spiral shaft into the tobacco shreds inside the tobacco paper.

[0022] 3. The handheld tobacco roaster provided by the present invention uses a heating cylinder to heat the tobacco. Compared with the existing technology that uses a heating element to heat the tobacco, it not only has the advantages of a large heating area, the ability to heat more tobacco at one time, and a large amount of smoke production, but also the process of heating the tobacco to produce smoke can be carried out in a relatively enclosed space. The residue after heating the tobacco will only remain in the heating cylinder, avoiding the problem of residue adhering to other parts inside the shell. The operation of cleaning residue inside the heating cylinder is also more convenient.

[0023] 4. The handheld tobacco curing device provided by the present invention uses a heating element made of ceramic material, which does not contain harmful substances such as lead, cadmium, mercury, polybrominated biphenyls, and polybrominated diphenyl ethers. It is also corrosion-resistant, high-temperature resistant, has high power density, fast heating speed, high thermal efficiency, high heating uniformity, low power attenuation, and long service life.

[0024] 5. The handheld tobacco curing device provided by the present invention has heat insulation rings at both ends of the heating element, and heat insulation cups are installed outside the heat insulation rings. The heat insulation cups can be stainless steel cylinders with internal vacuum or other heat insulation materials. The function of the heat insulation rings is to reduce the contact area between the heating element and the heat insulation cups. This structure can reduce the outward loss of heat from the heating element, so that the user will not feel too hot when holding the device.

[0025] 6. The handheld tobacco roaster provided by the present invention has a door set in the channel of the housing. The door can rotate under the drive of the door drive assembly. When the door is opened, the tobacco can enter the heating cylinder. When the door covers one end opening of the heating cylinder, the tobacco roasting mechanism is activated to heat the tobacco in the heating cylinder. The smoke generated by heating the tobacco is inhaled by the user through the through hole on the door and the tobacco insertion chamber. The setting of the door is conducive to the tobacco roasting mechanism heating the tobacco in a relatively more enclosed space, which is beneficial to improving the heating efficiency of the heating cylinder.

[0026] 7. The handheld tobacco curing device provided by the present invention can drive the door hinge and door body to rotate by pushing the toggle switch on the outside of the housing, and can open and close the door body inside the housing from the outside. It has the advantages of simple structure and convenient operation.

[0027] 8. The handheld tobacco roaster provided by the present invention has a toggle lever on the toggle switch. The toggle lever can trigger the trigger start switch on the control circuit board, so that the control circuit board controls the driving component to run. This realizes the dual function of the toggle switch and makes the operation more convenient.

[0028] 9. The handheld tobacco roaster provided by the present invention has a control circuit board that is vertically mounted on the housing, which can save the installation space inside the housing and facilitate the miniaturization and compact design of the handheld tobacco roaster.

[0029] 10. The handheld tobacco curing device provided by the present invention has a filter cover installed on the vent. One end of the filter cover extends into the interior of the heating cylinder. The filter cover can filter out impurities in the air entering the heating cylinder through the vent, avoid the deposition of impurities on the inner wall of the heating cylinder, and reduce the difficulty of cleaning the heating cylinder. Attached Figure Description

[0030] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0031] Figure 1 This is a three-dimensional structural diagram of the front cover side in an embodiment of the present invention;

[0032] Figure 2 This is a three-dimensional structural diagram of the rear cover side in an embodiment of the present invention;

[0033] Figure 3 This is a schematic diagram of the structure of the handheld tobacco roaster after the outer shell is hidden in an embodiment of the present invention;

[0034] Figure 4 This is a schematic diagram of the structure of the handheld tobacco roaster after concealing the outer shell and the upper shell in an embodiment of the present invention;

[0035] Figure 5 This is a schematic diagram of the handheld tobacco curing device in an embodiment of the present invention when no cigarette is inserted into the tobacco insertion hole;

[0036] Figure 6 for Figure 5 A schematic diagram of the structure of the tobacco curing mechanism after the heat insulation cup is hidden;

[0037] Figure 7 This is a structural diagram of the door mechanism and the lower housing.

[0038] Explanation of reference numerals in the attached drawings: 1. Housing; 11. Lower housing; 12. Upper housing; 13. Outer housing; 14. Front cover; 15. Rear cover; 101. Cigarette insertion hole; 102. Cigarette insertion chamber; 103. Motor mounting chamber; 104. Tobacco curing mechanism mounting chamber; 105. Battery mounting chamber; 106. Channel; 107. Charging port; 2. Cigarette; 21. Cigarette filter; 22. Cigarette paper; 3. Tobacco feeding mechanism; 31. Spiral shaft; 311. Spiral cone; 32. Drive component; 4. Tobacco curing mechanism; 41. Heating cylinder; 42. Heat insulation ring; 43. Heat insulation cup; 51. Door; 511. Through hole; 52. Door hinge; 53. Connecting rod; 54. Toggle switch; 55. Toggle lever; 6. Control circuit board; 61. Trigger start switch; 7. Rechargeable battery; 8. Filter cover; 9. Outer door cover. Detailed Implementation

[0039] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0041] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0042] Furthermore, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0043] like Figure 1 The handheld tobacco roaster shown in Figure 7 includes a housing 1 and a tobacco-pulling mechanism 3, a tobacco roasting mechanism 4, a door mechanism, a control circuit board 6, and a rechargeable battery 7 disposed within the housing 1.

[0044] refer to Figure 1 -4. The housing 1 is a flat, elongated cylindrical structure. The housing 1 includes an upper housing 121 and a lower housing 111 that can be fitted together, and an outer housing 131 covering the outer periphery of the upper housing 121 and the lower housing 111. A front cover 14 and a rear cover 15 are respectively connected to the opposite ends of the upper housing 121 and the lower housing 111. The rear cover 15 is integrally formed with the lower housing 111. A ventilation port for air to enter the housing 1 is provided on the rear cover 15, and a smoke insertion hole 101 for inserting a cigarette holder 2 into the housing 1 is provided on the front cover 14.

[0045] In this embodiment, reference Figure 4 -7. The lower housing 111 is provided with several baffles, which divide the internal cavity of the lower housing 111 into multiple sections. These multiple sections are: a cigarette insertion cavity 102 for accommodating the cigarette 2 inserted into the housing 1; a battery mounting cavity 105 for accommodating the rechargeable battery 7; a motor mounting cavity 103 for accommodating the motor; and a tobacco curing mechanism mounting cavity 104 for accommodating the tobacco curing mechanism 4. The cigarette insertion cavity 102 and the battery mounting cavity 105 are located on the side of the lower housing 111 near the front end cover 14 and are arranged side-by-side. The motor mounting cavity 103 and the tobacco curing mechanism mounting cavity 104 are located on the side of the lower housing 111 near the rear end cover 15 and are arranged side-by-side. The cigarette insertion cavity 102 and the motor mounting cavity 103 are arranged in a straight line, with the end of the cigarette insertion cavity 102 furthest from the motor mounting cavity 103 corresponding to the position of the cigarette insertion hole 101. The battery mounting cavity 105 and the tobacco curing mechanism mounting cavity 104 are arranged in a straight line.

[0046] In this embodiment, reference Figure 4 and Figure 7 The tobacco-pulling mechanism 3 includes a spiral shaft 31 that extends into the tobacco insertion cavity 102 and is adapted to engage with the tobacco stick 2 inserted into the tobacco insertion cavity 102, and a driving member 32 that drives the spiral shaft 31 to rotate and pull the tobacco shreds in the tobacco stick 2 outward from the tobacco paper 22 that wraps the tobacco shreds. The driving member 32 is specifically a motor, which is fixed in the motor mounting cavity 103. The tobacco curing mechanism 4 is installed in the tobacco curing mechanism mounting cavity 104, which is located between the tobacco insertion cavity 102 and the vent, and is used to heat the tobacco shreds entering the tobacco curing mechanism 4.

[0047] This handheld tobacco roaster, by setting a tobacco-pulling mechanism 3 and a tobacco-roasting mechanism 4 inside the housing 1, allows the tobacco stick 2 to be inserted into the tobacco insertion chamber 102 of the housing 1. The spiral shaft 31 of the tobacco-pulling mechanism 3 is inserted into the tobacco inside the tobacco paper 22. The driving component 32 drives the spiral shaft 31 to rotate. During the rotation of the spiral shaft 31, the tobacco inside the tobacco paper 22 is pulled outward. The pulled-out tobacco enters the interior of the tobacco roasting mechanism 4. When the tobacco roasting mechanism 4 heats up, it heats the tobacco inside to produce smoke. The user can use the filter tip of the tobacco stick 2 inserted into the tobacco insertion chamber 102 to smoke. After smoking, the filter tip of the tobacco stick 2 and the tobacco paper 22 wrapped with tobacco can be removed outward as a whole. This avoids the influence of the flavor produced by the burning tobacco paper 22 on the flavor of the smoke produced by the heated tobacco, which can improve the user's smoking experience.

[0048] In this embodiment, reference Figure 5 The spiral shaft 31 has a spiral cone 311 at one end near the cigarette stick 2; the outer diameter of the spiral cone 311 is smaller than the outer diameter of the spiral shaft 31 and is far from the spiral shaft 31 with a pointed structure. The spiral cone 311 is provided to facilitate the insertion of the spiral shaft 31 into the tobacco inside the cigarette paper 22.

[0049] In this embodiment, reference Figure 5 and Figure 6 The tobacco curing mechanism 4 includes a tubular heating cylinder 41 with openings at both ends, heat insulation rings 42 fixedly sleeved around the outer periphery of both ends of the heating cylinder 41, and heat insulation cups 43 fixedly sleeved around the outer periphery of the heat insulation rings 42. One end of the heating cylinder 41 communicates with the tobacco insertion chamber 102, and the other end communicates with the ventilation opening. The heating cylinder 41 is used to heat the tobacco entering its inner cavity. The heat insulation cup 43 can be a vacuum-sealed stainless steel cylinder or made of other heat insulation materials. The function of the heat insulation rings 424 is to reduce the contact area between the heating cylinder 41 and the heat insulation cup 43. This structure reduces heat loss from the heating cylinder 41, preventing the user from feeling excessive heat when holding the device. Compared with the existing technology of heating tobacco using heating elements, the method of heating tobacco using heating element 41 has the advantages of large heating area, more tobacco that can be heated at one time, and large amount of smoke generated. Moreover, the process of heating tobacco and generating smoke can be carried out in a relatively closed space. The residue of the heated tobacco will only remain in the heating element 41, avoiding the problem of residue adhering to other parts inside the housing 1. The operation of cleaning residue inside heating element 41 is also more convenient.

[0050] Specifically, the heating element 41 is a ceramic heating element 41, and the heat insulation cup 43 is a stainless steel metal cover. The heating element 41, made of ceramic material, does not contain harmful substances such as lead, cadmium, mercury, polybrominated biphenyls, and polybrominated diphenyl ethers. It is also corrosion-resistant, high-temperature resistant, has high power density, fast heating speed, high thermal efficiency, high heating uniformity, low power attenuation, and long service life.

[0051] In this embodiment, reference Figure 7 The housing 1 has a channel 106 inside to facilitate the flow of tobacco shreds into the heating cylinder 41. The housing 1 also includes a door mechanism. The door mechanism includes a door body 51 located at one end of the channel 106 near the tobacco curing mechanism 4 and having several through holes 511 thereon, and a door drive assembly connected to the door body 51 for either opening the door body 51 to allow tobacco shreds to enter the heating cylinder 41 or sealing one end of the heating cylinder 41 to prevent tobacco shreds from entering. The door body 51 can rotate under the drive of the door drive assembly. When the door body 51 is open, tobacco shreds can enter the heating cylinder 41. When the door body 51 covers the opening at one end of the heating cylinder 41, the tobacco curing mechanism 4 starts heating the tobacco shreds inside the heating cylinder 41. The smoke generated by heating the tobacco shreds is inhaled by the user through the through holes 511 on the door body 51 and the tobacco insertion chamber 102. The door body 51 allows the tobacco curing mechanism 4 to heat the tobacco shreds in a relatively enclosed space, which helps improve the heating efficiency of the heating cylinder 41. Specifically, the door body 51 is rotatably connected to the housing 1 around a door hinge 52. The door drive assembly includes a connecting rod 53 fixedly connected to the door hinge 52, and a toggle switch 54 connected to the connecting rod 53 and slidably installed in a limiting groove in the housing 1. By pushing the toggle switch 54 outside the housing 1, the door hinge 52 and the door body 51 can be rotated, allowing the door body 51 inside the housing 1 to be opened and closed from the outside. This design has the advantages of simple structure and convenient operation.

[0052] In this embodiment, a control circuit board 6 is also provided inside the housing 1. The drive unit 32 and the tobacco curing mechanism 4 are both electrically connected to the control circuit board 6. The control circuit board 6 is provided with a trigger start switch 61, and a toggle switch 54 is connected to a toggle lever 55. During the movement of the toggle switch 54, the toggle lever 55 has a trigger position that triggers the trigger start switch 61 and a non-trigger position that is separated from the trigger start switch 61 to make contact with the trigger. When the trigger start switch 61 is triggered, the control circuit board 6 controls the drive unit 32 to drive. By providing a toggle lever 55 on the toggle switch 54, the toggle lever 55 can trigger the trigger start switch 61 on the control circuit board 6, so that the control circuit board 6 controls the operation of the drive unit 32. This realizes the dual function of the toggle switch 54, making the operation more convenient.

[0053] In this embodiment, a rechargeable battery 7 electrically connected to the control circuit board 6 is also provided inside the housing 1. The control circuit board 6 is vertically mounted on the housing 1 between the rechargeable battery 7 and the tobacco insertion chamber 102. The vertical mounting of the control circuit board 6 inside the housing 1 saves installation space inside the housing 1, which is beneficial for achieving a miniaturized and compact design of the handheld tobacco curing device.

[0054] In this embodiment, a filter cover 8 is installed on the vent, with one end of the filter cover 8 extending into the interior of the heating cylinder 41. The filter cover 8 has several filter holes. An outer door cover 9 is installed on the housing 1, blocking the outside of the filter cover 8. Installing the filter cover 8 on the vent, with one end extending into the interior of the heating cylinder 41, allows the filter cover 8 to filter out impurities in the air entering the heating cylinder 41 through the vent, preventing impurities from depositing on the inner wall of the heating cylinder 41 and reducing the difficulty of cleaning the heating cylinder 41. An outer door cover 9 is connected to the rear end cover 15 of the tobacco curing mechanism 4 mounting cavity 104, away from the battery mounting cavity 105. The outer door cover 9 has a door cover shaft, which is rotatably connected to the door cover shaft. The outer door cover 9 also has several ventilation holes. Opening the outer door cover 9 allows for cleaning of the filter cover 8, and even the removal of the filter baffle to clean the inner cavity of the filter cylinder.

[0055] In summary, the handheld tobacco roaster provided in this embodiment of the invention, by setting a tobacco-pulling mechanism 3 and a tobacco roasting mechanism 4 inside the housing 1, allows the tobacco stick 2 to be inserted into the tobacco insertion cavity 102 of the housing 1. The spiral shaft 31 of the tobacco-pulling mechanism 3 is inserted into the tobacco inside the tobacco paper 22. The driving component 32 drives the spiral shaft 31 to rotate. During the rotation of the spiral shaft 31, the tobacco inside the tobacco paper 22 is pulled outward. The pulled-out tobacco enters the interior of the tobacco roasting mechanism 4. When the tobacco roasting mechanism 4 heats up, it heats the tobacco inside to produce smoke. The user can use the filter tip of the tobacco stick 2 inserted into the tobacco insertion cavity 102 to smoke. After smoking, the filter tip of the tobacco stick 2 and the tobacco paper 22 wrapped with tobacco can be removed outward as a whole, avoiding the influence of the flavor produced by the burning tobacco paper 22 on the flavor of the smoke produced by the heated tobacco, thus improving the user's smoking experience.

[0056] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A hand-held cigarette roaster characterized by, The utility model relates to a cigarette roasting device, including: A shell (1) has a ventilation opening and a cigarette inserting cavity (102) for inserting a cigarette (2); A tobacco pricking mechanism (3) is arranged in the shell (1) and includes a spiral shaft (31) extending into the cigarette inserting cavity (102) and adapted to be inserted into the cigarette (2) inserted into the cigarette inserting cavity (102), and a driving member (32) for driving the spiral shaft (31) to rotate to push the tobacco in the cigarette (2) out of the cigarette paper (22) wrapping the tobacco; A cigarette roasting mechanism (4) is arranged in the shell (1) and located between the cigarette inserting cavity (102) and the ventilation opening, and is used for heating the tobacco entering the cigarette roasting mechanism (4).

2. The hand-held cigarette roaster of claim 1, wherein The spiral shaft (31) is provided with a spiral taper head (311) at one end close to the cigarette (2) to facilitate the insertion of the spiral shaft (31) into the cigarette (2).

3. The hand-held cigarette roaster of claim 1, wherein, The cigarette roasting mechanism (4) includes a heating cylinder (41) in the shape of a tube with openings at both ends, one end of the heating cylinder (41) is communicated with the cigarette inserting cavity (102), and the other end of the heating cylinder (41) is communicated with the ventilation opening, and the heating cylinder (41) is used for heating the tobacco entering the inner cavity thereof.

4. The hand-held cigarette roaster of claim 3, wherein The heating cylinder (41) is a ceramic heating cylinder (41).

5. The hand-held cigarette roaster of claim 3, wherein The cigarette roasting mechanism (4) further includes a heat insulation ring (42) fixedly sleeved on the outer periphery of both ends of the heating cylinder (41), and a heat insulation cup (43) fixedly sleeved on the outer periphery of the heat insulation ring (42).

6. The hand-held cigarette roaster of claim 3, wherein A passage (106) is arranged in the shell (1) to facilitate the flow of the tobacco pushed out to the heating cylinder (41), and a door mechanism is further arranged in the shell (1); the door mechanism includes a door body (51) provided with a plurality of through holes (511) at one end of the passage (106) close to the cigarette roasting mechanism (4), and a door driving assembly connected with the door body (51) and used for driving the door body (51) to open to allow the tobacco to enter the cigarette roasting mechanism (4) or driving the door body (51) to cover one end of the cigarette roasting mechanism (4) to prevent the tobacco from entering the cigarette roasting mechanism (4).

7. The hand-held cigarette roaster of claim 6, wherein The door body (51) is rotatably connected to the shell (1) around a door shaft (52); the door driving assembly includes a connecting rod (53) fixedly connected with the door shaft (52), and a toggle switch (54) connected with the connecting rod (53) and slidingly installed in a limiting groove of the shell (1).

8. The hand-held cigarette roaster of claim 7, wherein, A control circuit board (6) is further arranged in the shell (1), the driving member (32) and the cigarette roasting mechanism (4) are electrically connected with the control circuit board (6); the control circuit board (6) is provided with a trigger starting switch (61), the toggle switch (54) is connected with a toggle lever (55), the toggle lever (55) has a trigger position for triggering the trigger starting switch (61) and a non-trigger position for separating from the trigger starting switch (61) during the movement of the toggle switch (54); when the trigger starting switch (61) is triggered, the control circuit board (6) controls the driving of the driving member (32).

9. The hand-held cigarette roaster of claim 8, wherein, The shell (1) is further provided with a charging battery (7) electrically connected with the control circuit board (6), and the control circuit board (6) is vertically installed on the shell (1) between the charging battery (7) and the cigarette inserting cavity (102).

10. The hand-held cigarette roaster of claim 3, wherein, A filter cover (8) is installed on the ventilation opening, one end of the filter cover (8) extends into the interior of the heating cylinder (41), and a plurality of filter holes are arranged on the filter cover (8); and an outer door cover (9) is installed on the shell (1) and covers the outer side of the filter cover (8).

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