Low-temperature smoking device with cigarette holding structure

Abstract

The present invention discloses a low-temperature smoking device with a cigarette clamping structure, comprising a shell, a cigarette insertion cavity with a top opening formed in the shell, an elastic clamping claw arranged in the cigarette insertion cavity, and a driving member arranged in the shell for driving the elastic clamping claw to open and close so as to clamp the cigarette inserted in the cigarette insertion cavity. After the cigarette of the low-temperature smoking device of the present invention is inserted into the cigarette insertion cavity, the elastic clamping claw is driven by the driving member to clamp the cigarette, and compared with the prior art in which the cigarette is clamped during the insertion process, the cigarette insertion is smoother.

Description

Technical Field

[0001] The invention belongs to the technical field of smoking articles, and in particular relates to a low-temperature smoking article with a cigarette holding structure. Background Art

[0002] Low-temperature smoking utensils require that cigarettes be inserted into the cigarette insertion cavity for heating. In the earliest low-temperature smoking utensils, after the cigarette is inserted into the cigarette insertion cavity, due to the lack of a clamping structure, the cigarette is easy to fall out of the cigarette insertion cavity when the low-temperature smoking utensils are turned over. Later, in order to solve this problem, a claw structure was set in the cigarette insertion cavity, that is, the cigarette is gripped during the process of inserting it into the cigarette insertion cavity. There will be a certain resistance during insertion, making the cigarette difficult to insert. At the same time, the resistance must ensure that the cigarette is not damaged during the insertion process. Therefore, this structure has very high requirements on the tightness of the tobacco in the cigarette. Summary of the invention

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, one of the purposes of the present invention is to provide a low-temperature smoking device with a cigarette holding structure.

[0004] In order to solve the above technical problems, this application adopts the following technical solutions:

[0005] A low-temperature smoking device with a cigarette holding structure comprises a shell, wherein a cigarette insertion cavity with a top opening is formed in the shell, an elastic clamping claw is arranged in the cigarette insertion cavity, and a driving member is also arranged in the shell to drive the elastic clamping claw to open and close so as to hold a cigarette matched to be inserted in the cigarette insertion cavity.

[0006] Furthermore, the shell is provided with a heating element and a lifting mechanism for driving the heating element to insert or withdraw the cigarette from the bottom end of the cigarette insertion cavity when the cigarette is held tightly.

[0007] Furthermore, the lifting mechanism includes a motor, an active part, a torque transmission part, a screw and a nut, the output shaft of the motor is fixedly connected to the active part, the torque transmission part is slidably sleeved on the active part to realize torque transmission, the two ends of the screw are respectively fixedly connected to the heating element and the torque transmission part, and the nut is fixedly arranged in the shell and sleeved on the screw.

[0008] Furthermore, the outer side wall of the elastic claw is inclined inwardly along the cigarette insertion direction, and the driving member is a push rod which is slidably mounted outside the elastic claw and cooperates with the inclined surface of the outer side wall.

[0009] Furthermore, the push rod is driven by the motor, and the output shaft of the motor passes through the threaded through hole at the bottom end of the push rod and is connected to the active component. The output shaft of the motor is provided with a threaded section adapted to the threaded through hole.

[0010] Furthermore, the threaded section of the output shaft can be rotated out of the threaded through hole, and when the motor rotates in the reverse direction, the torque transmission member gives the push rod a pre-pressure to screw the threaded section into the threaded through hole again.

[0011] Furthermore, a driving spring is provided between the push rod and the motor for giving the push rod a pushing force to maintain the elastic claw in a closed state after the push rod is disengaged from the threaded section of the output shaft.

[0012] Furthermore, a control board for controlling the operation of the heating element and the motor and a battery electrically connected to the control board are also provided in the shell.

[0013] Furthermore, the elastic claws are evenly distributed along the circumferential direction of the cigarette insertion cavity.

[0014] Furthermore, an axially extending strip-shaped through hole is provided on the side wall of the cigarette insertion cavity, and the elastic claw is arranged in the strip-shaped through hole and the outer surface is exposed from the strip-shaped through hole.

[0015] Furthermore, the elastic claws are integrally formed on the side wall of the cigarette insertion cavity.

[0016] Furthermore, the elastic claw is arranged close to the top opening end of the cigarette insertion cavity.

[0017] Furthermore, the shell includes a bottom shell and a top shell detachably connected to the bottom shell, a cigarette holder is fixedly provided in the bottom shell, the inner cavity of the cigarette holder constitutes the cigarette insertion cavity, and a cigarette insertion port connected to the cigarette insertion cavity is provided on the top of the top shell.

[0018] Furthermore, the top shell is connected to the bottom shell by magnetic adsorption.

[0019] Furthermore, the heating element is a heating rod.

[0020] Furthermore, the cigarette insertion cavity and the elastic claw are coaxially arranged.

[0021] Furthermore, the shell is also provided with a travel limit switch for limiting the lifting distance of the heating element and a triggering member for triggering the travel limit switch.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. After the cigarette is inserted into the cigarette insertion cavity, the elastic clamping claw is driven by the driving member to clamp the cigarette tightly. Compared with the prior art in which the cigarette is clamped during the insertion process, the cigarette insertion is smoother.

[0024] 2. When the cigarette is held tightly, the heating element can be withdrawn from the cigarette, which effectively solves the problem of tobacco sticking to the heating element after smoking, avoids excessive tobacco residue on the heating element, reduces the burden of cleaning the heating element, and effectively prevents the smoking material from falling into the smoking device. In addition, the operation is also very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the low-temperature smoking device of the present invention;

[0026] Figure 2 This is a schematic diagram of the elastic claws of the low-temperature smoking device of the present invention in an open state;

[0027] Figure 3 This is a schematic diagram of the elastic claws of the low-temperature smoking device of the present invention in a closed state;

[0028] Figure 4 This is a schematic diagram of the state in which the heating element of the low-temperature smoking device of the present invention is inserted into a cigarette;

[0029] Figure 5 It is an exploded view of the low-temperature smoking device of the present invention. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figure 1 and Figure 5 A low-temperature smoking device with a cigarette holding structure comprises a shell 1, a cigarette insertion cavity 2 with a top opening is formed in the shell 1, a heating element 4 for heating the cigarette 3 inserted in the cigarette insertion cavity 2, a control board 5 for controlling the heating of the heating element 4, and a power supply battery 6 are also provided in the shell 1. The power supply battery 6 can be a nickel-hydrogen battery, a lithium-ion battery, a hydrogen battery, etc. A charging interface can also be provided on the shell 1, and the corresponding power supply battery 6 should be a rechargeable battery. An elastic clamp 7 is provided in the cigarette insertion cavity 2. To facilitate the insertion of cigarettes, the cigarette insertion cavity 2 and the elastic clamp 7 are preferably coaxial. When the cigarette is inserted, it passes through the inner cavity of the elastic clamp 7. A driving member 8 is also provided in the shell 1 to drive the elastic clamp 7 to open and close so as to hold the cigarette 3 inserted in the cigarette insertion cavity 2.

[0032] See also Figure 2 and Figure 3In this embodiment, after the cigarette 3 is inserted into the cigarette insertion cavity 2, the elastic claws 7 are driven by the driving member 8 to close radially inward to hold the cigarette 3 tightly, preventing the cigarette 3 from falling out of the cigarette insertion cavity 2. When the cigarette 3 needs to be withdrawn from the cigarette insertion cavity 2, the driving member 8 moves in the opposite direction to release the restraint on the elastic claws 7, and the elastic claws 7 expand outward and reset. At this time, the cigarette 3 can be smoothly pulled out of the cigarette insertion cavity 2. Compared with the prior art in which the cigarette 3 is held tightly during the insertion process, in this embodiment of the smoking device, the cigarette 3 is inserted more smoothly.

[0033] See also Figure 1 In the actual design, the elastic claw 7 has multiple petals and is evenly distributed along the circumferential direction of the cigarette insertion cavity 2, so that the force on the cigarette is more uniform and the cigarette holding stability is improved.

[0034] Specifically, the elastic claw 7 is arranged as close as possible to the top opening end of the cigarette insertion cavity 2. Of course, the elastic claw 7 can also be arranged at other positions of the cigarette insertion cavity. However, under the premise that the elastic claw 7 increases the same holding force, this arrangement makes it difficult for the cigarette 3 to fall out of the insertion cavity.

[0035] In order to prevent heat from being transferred to the shell 1 and causing problems such as scalding, a heat insulation component (not shown in the figure) can be further provided between the cigarette insertion cavity 2 and the shell 1. The heat insulation component can be selected from existing structures such as vacuum tubes and insulation cotton, or can be directly provided as air insulation.

[0036] As for the air flow channel of the low-temperature smoking device, the existing structure such as side air intake or bottom air intake can be adopted. For example, in the present embodiment, an air intake hole (not shown in the figure) is provided at the bottom end of the cigarette insertion cavity 2. Under the action of the negative pressure of suction, the external air enters the cigarette insertion cavity from the air intake hole and then flows into the user's mouth from the top of the cigarette.

[0037] See also Figure 1 and Figure 2 As a preferred solution of the present invention, the housing 1 of the low-temperature smoking device is further provided with a lifting mechanism 9 for driving the heating element 4 to be inserted into or withdrawn from the cigarette 3 from the bottom of the cigarette insertion cavity when the cigarette 3 is held tightly. In this embodiment, when the cigarette 3 is held tightly, the heating element 4 can be withdrawn from the cigarette 3, which solves the problem of the adhesion between the tobacco and the heating element 4 after the cigarette is smoked, avoids excessive residue of tobacco on the heating element 4, reduces the burden of cleaning the heating element 4, and effectively prevents the smoking material from falling off in the smoking device. In addition, the operation is also very convenient.

[0038] See also Figure 1 and Figure 5This embodiment provides a specific structure of the lifting mechanism 9. The lifting mechanism 9 of this embodiment includes a motor 901 with a reduction box, an active part 902, a torque transmission part 903, a screw 904 and a nut 905. The output shaft of the motor 901 is fixedly connected to the active part 902. The torque transmission part 903 is slidably sleeved on the active part 902 to achieve torque transmission. The two ends of the screw 904 are respectively fixedly connected to the heating element 4 and the torque transmission part 903. The nut 905 is fixedly arranged in the housing 1 and sleeved on the screw 904. The motor 901 and the heating element 4 are connected to the control board 5 to form a control circuit. The motor 901 and the heating element 4 are controlled to work by the control circuit. As for the specific structure of the control circuit, it is a conventional design in the field of electric control and will not be repeated here.

[0039] See also Figure 1 and Figure 2 As another preferred embodiment of the present invention, the outer wall of the elastic claw 7 is inclined inward along the direction of cigarette insertion, and the side wall of the cigarette insertion cavity 2 is provided with an axially extending strip through hole, and the elastic claw 7 is arranged in the strip through hole and the outer surface is exposed from the strip through hole, and the driving member 8 is a push rod that can slide up and down and is sleeved outside the elastic claw 7 and cooperates with the inclined surface of its outer wall. When the cigarette is inserted into the smoking device, the cigarette insertion cavity 2 that axially surrounds the cigarette and the cigarette 3 are in a clearance fit, and by pushing the push rod upward, the inclined surface structure drives the elastic claw 7 to close and hold the cigarette 3 radially inward, and when the heating is completed, the push rod moves in the reverse direction to disengage the compression of the elastic claw 7, and the elastic claw 7 is reset to disengage the locking of the cigarette 3.

[0040] In this embodiment, the part of the push rod that contacts the elastic claw 7 is set to an inclined shape. When in use, a cigarette 3 is inserted, and a button on the shell 1 that is electrically connected to the control board 5 is pressed. The push rod driving mechanism receives the control of the control circuit and starts to move, driving the push rod to move upward. During the displacement of the inclined surface end of the push rod, the elastic claw 7 is driven to be compressed, so that it closes inward and holds the cigarette 3 tightly.

[0041] It should be noted that, in practical applications, the inner side wall of the elastic claw 7 can be designed as an arc surface that matches the outer wall of the cigarette 3, so that when the elastic claw 7 is closed to hold the cigarette, the inner side wall of the elastic claw 7 can be completely fitted with the cigarette 3, the clamping area is large, the elastic claw 7 clamps stably, and the cigarette loss is small. In addition, for the convenience of processing, the elastic claw 7 can be designed to be integrally formed with the side wall of the cigarette insertion cavity 2, and the molding method can be selected from stamping and other methods.

[0042] See also Figure 4As another preferred embodiment of the present invention, the push rod is driven by a motor 901, and the output shaft of the motor 901 passes through a threaded through hole at the bottom end of the push rod and is connected to the active member 902. The output shaft of the motor 901 is provided with a threaded section adapted to the threaded through hole, and the bracket 10 in the shell 1 is provided with a slide groove (not shown in the figure) extending along the axial direction of the cigarette insertion cavity, and the push rod is slidably installed in the slide groove and guided by the slide groove.

[0043] When the user needs to smoke, he inserts the cigarette 3 into the cigarette insertion cavity 2 and presses the button 22 to start. The motor 901 with the reduction gearbox starts to rotate, and its rotating output shaft drives the push rod to move upward. The inclined end of the top of the push rod will squeeze the elastic claw 7 during the displacement process, so that it closes inward and holds the cigarette 3 tightly; at the same time, the active member 902 moves synchronously with the output shaft, transmits power to the torque transmission member 903, and then drives the screw 904 to perform a spiral upward movement, inserting the heating element 4 from the bottom end of the cigarette insertion cavity 2 into the cigarette insertion cavity 2 and piercing the cigarette 3 In the process, the control circuit controls the battery to supply power to the heating element 4, and the heating element 4 generates heat to heat the tobacco material in the cigarette to generate smoke for the user to inhale; when the user needs to withdraw the cigarette after inhaling, the control circuit controls the motor 901 to rotate in the opposite direction, thereby driving the push rod and the heating element 4 to move downward at the same time, so that the elastic claws 7 expand outward, thereby unlocking the cigarette 3, and the heating element 4 withdraws from the cigarette 3. At this time, the cigarette 3 is in a relatively free state in the cigarette insertion cavity 2, and can be smoothly pulled out of the cigarette insertion cavity 2, thereby completing the smoking withdrawal process.

[0044] In this embodiment, the movement of the push rod and the heating element 4 are driven by the same motor 901, which not only reduces the cost but also makes the entire smoking device structure more compact. Of course, the heating element 4 and the push rod can also use independent driving power. In the above-mentioned low-temperature smoking device, during the entire process of the heating element 4 inserting the cigarette 3, the push rod is also driven by the motor 901 to move upward, that is, the elastic claw 7 is continuously driven to retract, and the clamping force is continuously increased. In order to prevent the cigarette 3 from being deformed or broken by the clamp, the distance the heating element 4 moves cannot be too large.

[0045] See also Figure 1 As another preferred embodiment of the present invention, the threaded section of the motor output shaft is designed to be rotatable and disengage from the threaded through hole, and when the motor rotates in the reverse direction, the torque transmission member moves downward and can abut against the push rod, thereby giving the push rod a pre-pressure, re-screwing the threaded section into the threaded through hole, and then driving the push rod to reset. In this embodiment, when the push rod is pushed upward to disengage from the threaded section and enter the bare rod section at the free end of the output shaft, the threaded through hole and the threaded section lose thread engagement control, the power transmission is interrupted, the push rod will not continue to be lifted upward, and the elastic claws will not continue to close to clamp or break the cigarette.

[0046] See also Figure 1It should be noted that a driving spring 11 can be arranged between the push rod and the motor to give the push rod a pushing force to maintain the elastic claw in a closed state after the threaded section is separated from the threaded through hole.

[0047] See also Figure 2-Figure 4 When the output shaft of motor 901 drives the threaded end of the push rod to cause the push rod to move horizontally by a distance A, the inclined end of the push rod also moves by a distance A, driving the compressed elastic claw 7 to move toward the cigarette insertion chamber 2 to hold the cigarette 3. At this time, the threaded through hole of the push rod is disengaged from the thread of the motor 901 with the reduction gear box, and the thread engagement control is lost. The drive spring 11 coaxial with the threaded through hole of the push rod continues to push the push rod upward until the force balance is reached or it abuts against the limiting feature on the shell 1. The push rod no longer moves upward and is in a stable state, maintaining the elastic claw in a closed state; the motor 901 continues to rotate to drive the heating element 4 to continue to move upward and insert it into the cigarette 3. At this time, because the power connection between the push rod and the motor 901 is interrupted, the push rod will not move with the subsequent rotation of the motor 901, so that the holding force provided by the elastic claw 7 to the cigarette is constant and will not increase as the heating element continues to rise, and thus the cigarette will not be damaged due to the continuous increase in the holding force.

[0048] In this embodiment, a threaded section is provided on the output shaft of the motor 901 with a reduction gearbox, which is connected to the internal thread at the bottom end of the push rod, thereby ensuring the stability of the push rod movement process. A coaxially placed drive spring 11 in a compressed state is provided between the threaded end of the motor and the threaded end of the push rod. The end of the motor output shaft is fastened to an active component 902 with a blind hole at one end and a U-shaped active component at the other end, so that the U-shaped active component and the output shaft of the motor rotate synchronously. The two vertical arms of the U-shaped active component are matched with a small gap between the holes of the same shape provided on the torque transmission component 903 with a circular cross-section. The center hole of the torque transmission component 903 is fastened to one end of a screw rod 904 with a thread, and the other end of the screw rod 904 is fastened to the center hole of a U-shaped bracket 12 with a circular hole in the center and two sides of the circular hole. The top of the U-shaped bracket 12 is fastened with a heating element 4 by screws, and the nut 905 is installed on the bracket 10 by screws, and the internal thread of the nut 905 engages with the screw rod 904.

[0049] When the motor 901 with reduction gearbox rotates, the push rod is guided by the above-mentioned slide groove. When the motor output shaft rotates, its thread drives the push rod to move up and down, thereby realizing the opening and closing of the elastic claw 7. The end of the output shaft will drive the U-shaped active part fastened thereto to make synchronous circular motion. The rotation of the U-shaped active part will push the torque transmission part 903, the screw 904 fixed to the torque transmission part 903, and the bracket 12 fastened to the other end of the screw 904 to move synchronously. Since the two vertical arms of the U-shaped active part are gap-matched with the two holes set on the torque transmission part 903, and the screw 904 is threadedly engaged with the nut 905 fixed on the bracket 10, the torque transmission part 903, the screw 904, and the U-shaped bracket 12 can only make horizontal synchronous displacement along the axial direction of the screw 904.

[0050] As another preferred embodiment of the present invention, a travel limit switch for limiting the lifting distance of the heating element and a triggering member for triggering the travel limit switch are also provided in the housing.

[0051] Specifically, the heating element 4 is configured as a cylinder with a circular cross-section, one end of which is configured as an introduction end of a tapered thread for convenient screwing into the cigarette, and the other end is configured with a flange with a non-circular cross-section and a wire is welded to it. It is fixed to the cylindrical heating element bracket A13 through the flange, and then inserted into the heating element bracket B14 and fastened with screws. The annular heating element circuit board 15 is clamped and fixed between the heating element bracket A13 and the heating element bracket B14. The annular heating element circuit board 15 is connected to the control board 5 through a wire, thereby constituting the entire heating module of the low-temperature smoking device. An elastic ejector pin 16 (travel limit switch) for controlling the conduction between the welding wire and the annular heating element circuit board is also provided on the heating element bracket B. A triggering member 17 for triggering the elastic ejector pin 16 and thereby conducting the welding wire with the annular heating element circuit board 15 is provided on the bracket 10. The annular heating element circuit board 15 is fixedly connected to the U-shaped bracket 12 by screws, so that the heating module is fixed to the U-shaped bracket 12.

[0052] In this embodiment, when the motor 901 with a reduction gearbox starts to rotate, the U-shaped active member will rotate synchronously with the motor 901. The torque transmission member 903 with holes on both sides that are consistent with the shape of the U-shaped active member will be driven by the U-shaped active member to make circumferential and axial displacements, that is, spiral horizontal movement, because it is fastened to one end of the screw and the nut fixed on the bracket is engaged with the screw thread. When the push rod moves a distance A, the torque transmission member 903 will move a distance A. Figure 1 As shown, after the push rod stops moving, the motor 901 continues to rotate the displacement distance B, as shown in FIG. Figure 3As shown, at this time, the screw 904, the U-shaped bracket 12, and the heating element module that are synchronously displaced with the torque transmission member 903 are synchronously displaced a distance B, and the elastic ejector pin 16 on the heating element module touches the trigger member on the bracket 10, and the control circuit composed of the welding wire and the annular heating element circuit board 15 is turned on. Through the control of the control circuit, the motor 901 with the reduction gear box stops rotating, and the circuit board starts to give out current to drive the heating element to heat, thereby achieving baking of the cigarettes.

[0053] When the smoking device is heated and smoking is completed, the circuit board 5 will stop supplying power to the heating element 2, and the motor 901 with the reduction gearbox will start to rotate in the opposite direction. The U-shaped active member that rotates synchronously with the shaft of the reduction gearbox motor will drive the torque transmission member 903, the screw 904, the U-shaped bracket 12, and the heating element module spiral to move in the opposite direction. The elastic top pin 16 of the heating element spiral will break away from the contact with the trigger member and reset, and the control circuit composed of the welding wire and the annular heating element circuit board will be disconnected again. When the displacement distance B is at position B, as shown in FIG. Figure 3 As shown, the torque transmission member 903 contacts the push rod, and the motor 901 with a reduction gear box continues to rotate. The torque transmission member 903 will drive the push rod to compress the driving spring, and at the same time push the push rod and the thread of the motor shaft to achieve thread engagement, until the motor drives the U-shaped driving member to continue to move to the position of distance A and stop. At this time, the push rod releases the compression of the elastic claw 7, and the elastic claw 7 releases the grip on the cigarette 3. The user can remove the cigarette, and all moving parts of the smoking device return to the starting position to prepare for the next work. Figure 4 shown.

[0054] See also Figure 1 and Figure 5 As another preferred embodiment of the present invention, the shell 1 includes a bottom shell 101 and a top shell 102 detachably connected to the bottom shell 101. A cigarette sleeve 18 is fixedly provided in the bottom shell 101. The inner cavity of the cigarette sleeve 18 constitutes a cigarette insertion cavity 2. A cigarette insertion port 19 connected to the cigarette insertion cavity 2 is provided on the top of the top shell 102. The cigarette sleeve 18, the heating element 4, the control panel 5, the lifting mechanism 9 and other components are all installed on the bracket 10. When assembling the smoking device, the cigarette sleeve 18, the heating element 4, the control panel 5, the lifting mechanism 9 and the like are assembled and connected to the bracket 10 by screws. Then, the bracket 10 is inserted into the bottom shell 101 and the top cover 102 is covered to complete the assembly of the entire smoking device. The assembly of the smoking device is very convenient.

[0055] In this embodiment, a magnet A20 is provided on the top shell 102, and a magnet B21 with opposite poles to the magnet A20 is provided on the bottom shell 101, and the magnets are attracted to each other by opposite poles, so as to realize the detachable connection between the top shell 102 and the bottom shell 101. Of course, the top shell 102 and the bottom shell 101 can also be connected by other detachable connection methods such as buckles, which will not be described here.

[0056] The above embodiments are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. The obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A low-temperature smoking device with a cigarette holding structure, comprising a shell, a cigarette insertion cavity with a top opening formed in the shell, and an elastic claw provided in the cigarette insertion cavity, characterized in that: The housing is also provided with a driving member for driving the elastic claws to open and close so as to hold the cigarette inserted into the cigarette insertion cavity tightly; The housing is also provided with a heating element and a lifting mechanism for driving the heating element to insert or withdraw the cigarette from the bottom end of the cigarette insertion cavity when the cigarette is held tightly; The lifting mechanism comprises a motor, an active member, a torque transmission member, a screw and a nut, wherein the output shaft of the motor is fixedly connected to the active member, the torque transmission member is slidably sleeved on the active member to achieve torque transmission, the two ends of the screw are respectively fixedly connected to the heating element and the torque transmission member, and the nut is fixedly arranged in the housing and sleeved on the screw; The outer wall of the elastic claw is inclined inwardly along the cigarette insertion direction, and the driving member is a push rod which is slidably mounted outside the elastic claw and matched with the inclined surface of the outer wall; The push rod is driven by the motor, the output shaft of the motor passes through the threaded through hole at the bottom end of the push rod and is connected to the active member, and the output shaft of the motor is provided with a threaded section adapted to the threaded through hole; The threaded section of the output shaft can be rotated to disengage from the threaded through hole, and when the motor rotates in the reverse direction, the torque transmission member applies a pre-pressure to the push rod to screw the threaded section into the threaded through hole again; A driving spring is provided between the push rod and the motor for giving the push rod a pushing force to maintain the elastic claw in a closed state after the threaded section is separated from the threaded through hole; A control board for controlling the operation of the heating element and the motor and a battery electrically connected to the control board are also provided in the shell.

2. The low-temperature smoking article according to claim 1, characterized in that: The elastic claws are evenly distributed along the circumferential direction of the cigarette insertion cavity.

3. The low-temperature smoking article according to claim 2, characterized in that: An axially extending strip-shaped through hole is provided on the side wall of the cigarette insertion cavity, and the elastic claw is arranged in the strip-shaped through hole with the outer surface exposed from the strip-shaped through hole.

4. The low-temperature smoking article according to claim 3, characterized in that: The elastic claws are integrally formed on the side wall of the cigarette insertion cavity.

5. The low-temperature smoking article according to claim 2, characterized in that: The elastic claw is arranged close to the top opening end of the cigarette insertion cavity.

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