Heating non-combustion device and sliding cover assembly thereof

Abstract

The utility model relates to the technical field of heat-not-burn, and discloses a heat-not-burn device and a sliding cover assembly thereof. The upper cover is provided with an insertion opening and an operation hole, and the insertion opening and the operation hole are formed in the length direction of the upper cover. The circuit board is fixed on the upper cover, and the button is installed on the circuit board and extends into the operation hole. The sliding piece is slidably arranged on the first side of the upper cover in the length direction of the upper cover so as to move between the first end and the second end of the upper cover, and a first protruding structure is arranged on the side, facing the upper cover, of the sliding piece. When the sliding piece moves to the first end, the insertion opening is completely exposed, the first protruding structure is aligned with the operation hole, and the first protruding structure can be pressed to make contact with the key so as to trigger the key. When the sliding piece moves to the second end, the insertion opening is completely covered by the sliding piece. The sliding cover assembly has the functions of covering the insertion opening and pressing the key at the same time, the space of the heating non-combustion device is saved, and the structure of the device is more compact.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat-not-burn, in particular to a heat-not-burn device and a sliding cover assembly with a button function thereof. BACKGROUND

[0002] The heat-not-burn device is a device that can generate aerosol by heating aerosol generating substrate at high temperature, but is not sufficient to burn, and can generate aerosol required by the user under the premise of not burning.

[0003] In the related art, a sliding cover assembly is usually added to the top end of the shell of the heat-not-burn device, and the insertion port of the aerosol generating substrate is closed and opened by moving the position of the sliding cover assembly, so that foreign matter can be prevented from entering the heating cavity when the heat-not-burn device is idle, and thus odor can be generated when the heating cavity is working. However, the function of the existing sliding cover assembly is usually realized by sliding to close and open the insertion port, and there is no other additional function, such as a button function, which makes the button need to be arranged in other places of the shell, that is, increases the button cap and other structural members, and requires the heat-not-burn device to have a larger space to accommodate these structural members, so that the structure of the device is not compact. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a sliding cover assembly of a heat-not-burn device, which has the function of covering the insertion port and the function of pressing the button, which helps to save the space of the heat-not-burn device and makes the structure of the device more compact.

[0005] The first aspect of the present application provides a sliding cover assembly of a heat-not-burn device, comprising: an upper cover having an insertion port and an operation hole, the insertion port and the operation hole being arranged along the length direction of the upper cover; the insertion port being used for communicating with a heating cavity of the heat-not-burn device; the upper cover having a first side and a second side, the second side being used for connecting with a shell of the heat-not-burn device; a circuit board assembly comprising a circuit board and a button, the circuit board being fixed to the upper cover; the button being installed on the circuit board and extending into the operation hole; and a sliding member being arranged on the first side of the upper cover along the length direction of the upper cover to move between the first end and the second end of the upper cover; the side of the sliding member facing the upper cover being provided with a first protruding structure; when the sliding member moves to the first end, the insertion port is completely exposed, the first protruding structure is aligned with the operation hole, and the first protruding structure can be pressed to contact the button to trigger the button; when the sliding member moves to the second end, the insertion port is completely covered by the sliding member.

[0006] In an embodiment, the limiting member further comprises a limiting end and a mounting end, the mounting end is arranged through the sliding member and connected with the upper cover, the limiting end is fixedly connected with the mounting end, and the limiting end is arranged protrudingly on the mounting end and abuts against the sliding member, so that the sliding member can be limited while sliding on the upper cover.

[0007] In an embodiment, the limiting member further comprises a limiting end and a mounting end, the mounting end is arranged through the sliding member and connected with the upper cover, the limiting end is fixedly connected with the mounting end, and the limiting end is arranged protrudingly on the mounting end and abuts against the sliding member, so that the sliding member can be limited while sliding on the upper cover.

[0008] In an embodiment, the sliding member comprises a sliding groove, the mounting end is arranged through the sliding groove and connected with the upper cover, and the mounting end is located between the insertion opening and the operation hole, and the sliding groove is provided with a supporting protruding structure on a side facing the upper cover, when the sliding groove is located at the first end, the supporting protruding structure is located between the mounting end and the first protruding structure and serves as a supporting structure of the first protruding structure to press the button.

[0009] In an embodiment, the supporting protruding structure comprises an arc-shaped curved surface.

[0010] In an embodiment, the sliding member further comprises a dustproof cover, the dustproof cover is arranged around the sliding groove and used for covering or exposing the insertion opening.

[0011] In an embodiment, the mounting end is provided with an insertion cavity, the fixing member is provided with an insertion end, the insertion end is movably arranged in the insertion cavity, so that the mounting end can move along the axial direction of the mounting cavity, and the axial direction of the mounting cavity is parallel to the axial direction of the insertion opening.

[0012] In an embodiment, the sliding member is provided with oppositely arranged third and fourth ends, the first protruding structure is arranged on the third end, and the fourth end is used for covering the insertion opening.

[0013] In an embodiment, the second side of the upper cover is provided with a mounting groove, the mounting groove is communicated with the operation hole, and the circuit board is arranged in the mounting groove.

[0014] The second aspect of the present application provides a heat-not-burn device, comprising the sliding cover assembly of the first aspect and a heating cavity for inserting an aerosol generating substrate.

[0015] The application provides a sliding cover assembly of a heat-not-burn device, which comprises an upper cover, a circuit board assembly and a sliding piece. A key is installed on a circuit board and electrically connected with the circuit board by arranging an operation hole on the upper cover and making the key extend into the operation hole. In addition, the sliding piece is arranged on a first side of the upper cover in a length direction of the upper cover, and a first protruding structure is arranged on a side of the sliding piece facing the upper cover. In this way, when the sliding piece moves to a second end, the sliding piece can cover or expose a plug-in hole, preventing foreign matters from entering a heating cavity of the heat-not-burn device, and when the sliding piece moves to a first end, the plug-in hole is exposed, the first protruding structure is aligned with the operation hole, and the first protruding structure can be pressed to contact the key, thereby triggering the key. Therefore, the sliding cover assembly of the application not only has the function of covering the plug-in hole, but also has the function of triggering the key, without arranging the key on other parts, reducing the arrangement of the key cap, and making the structure of the heat-not-burn device more compact. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the sliding cover assembly in embodiment 1.

[0017] Figure 2 It is an exploded structure schematic view of the sliding cover assembly shown in the figure. Figure 1

[0018] Figure 3 It is a cross-sectional view of the sliding cover assembly shown in the figure. Figure 1

[0019] It is a structure schematic view of the upper cover in embodiment 1. Figure 4

[0020] It is a structure schematic view of the limiting piece in embodiment 1. Figure 5

[0021] It is a structure schematic view of the sliding groove in embodiment 1. Figure 6 REFERENCE SIGNS: sliding cover assembly-100, upper cover-110, plug-in hole-111, operation hole-112, mounting groove-113, circuit board assembly-120, circuit board-121, key-122, sliding piece-130, first protruding structure-131, sliding groove-132, supporting protruding structure-133, arc-shaped curved surface-1331, dust cover-134, limiting piece-140, limiting end-141, mounting end-142, plug-in cavity-1421, spring-143, fixing piece-150, plug-in end-151, plastic gasket-160.

[0022] DETAILED DESCRIPTION

[0023] ​​The application will be described in further detail below with reference to the drawings. Like elements in different embodiments are denoted by like reference numerals. In the following embodiments, many specific details are described in order to provide a thorough understanding of the application. However, it will be apparent to those skilled in the art that the specific features, which are described in detail below, can be replaced by other features, or can be omitted in certain situations. In some cases, some operations related to the application are not shown or described in the specification in order to avoid the core of the application being overwhelmed by excessive description, and it is not necessary for those skilled in the art to describe these related operations in detail according to the description in the specification and general technical knowledge in the art.

[0024] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate manner to form various embodiments, and the operation steps involved in each embodiment can be sequentially adjusted or modified in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only intended to clearly describe one embodiment, and do not mean that the composition and / or order is necessary.

[0025] The serial numbers of the components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "coupling" in this application include direct and indirect connection (coupling) unless otherwise specified.

[0026] Embodiment 1

[0027] This embodiment provides a sliding cover assembly 100 of a heat-not-burn device, please refer to Figures 1-6 The sliding cover assembly 100 includes an upper cover 110, a circuit board 121 assembly 120 and a sliding member 130.

[0028] Please refer to Figures 1-4The upper cover 110 has an insertion port 111 and an operation hole 112 arranged along the length direction of the upper cover 110, the insertion port 111 is used for communicating with a heating cavity of a heat-not-burn device, the upper cover 110 has a first side and a second side, the second side is used for connecting with a shell of the heat-not-burn device. The circuit board 121 assembly 120 includes a circuit board 121 and a button 122, the circuit board 121 is fixed to the upper cover 110, and the button 122 is installed on the circuit board 121 and extends into the operation hole 112. The sliding piece 130 is arranged on the first side of the upper cover 110 and slides along the length direction of the upper cover 110, so as to move between the first end and the second end of the upper cover 110; the first side of the sliding piece 130 is provided with a first protruding structure 131. When the sliding piece 130 moves to the first end, the insertion port 111 is completely exposed, the first protruding structure 131 is aligned with the operation hole 112, and the first protruding structure 131 can be pressed to contact the button 122 to trigger the button 122; when the sliding piece 130 moves to the second end, the insertion port 111 is completely covered by the sliding piece 130.

[0029] In the present application, the insertion port 111 and the operation hole 112 are arranged along the length direction of the upper cover 110, the circuit board 121 is fixed to the upper cover 110, and the button 122 is installed on the circuit board 121 and extends into the operation hole 112. In addition, the sliding piece 130 is arranged on the upper cover 110 and slides along the length direction of the upper cover 110, and the first side of the sliding piece 130 is provided with a first protruding structure 131, and the sliding piece 130 can slide between the first end and the second end of the upper cover 110. On the one hand, when the sliding piece 130 slides to the first end, the first protruding structure 131 is aligned with the operation hole 112, so that the first protruding structure 131 can be pressed to contact the button 122, thereby triggering the button 122; on the other hand, when the sliding piece 130 moves to the second end, the insertion port 111 is completely covered by the sliding piece 130, which can prevent foreign matter from entering the heating cavity from the insertion port 111. Therefore, the sliding cover assembly 100 of the present application can realize the functions of covering the insertion port 111 and the button 122 at the same time, and does not need to arrange the button 122 and the button 122 cap and other structures on other parts of the heat-not-burn device, which can save the space of the heat-not-burn device and make the structure of the device more compact.

[0030] Please refer to Figure 3 and Figure 5 The sliding cover assembly 100 further includes a limiting piece 140, the limiting piece 140 includes a limiting end 141 and a mounting end 142, the mounting end 142 penetrates the sliding piece 130 and is connected with the upper cover 110, the limiting end 141 is fixedly connected with the mounting end 142, and the limiting end 141 protrudes from the mounting end 142 and abuts against the sliding piece 130, so that the sliding piece 130 can slide on the upper cover 110 while being limited on the upper cover 110.

[0031] In the embodiment, the limiting end 141 is connected with the mounting end 142 in a T-shaped structure, through the setting of the T-shaped structure, the sliding piece 130 can be conveniently limited in the upper cover 110, and the sliding piece 130 can slide relative to the limiting piece 140.

[0032] Please refer to Figure 3 The sliding cover assembly 100 further comprises a fixing piece 150, the fixing piece 150 is used for being fixed in a containing cavity of the heat-not-burn device, the mounting end 142 is movably connected with the fixing piece 150, so that the mounting end 142 can move along the axial direction of the limiting piece 140, and the end of the mounting end 142 away from the fixing piece 150 can abut against the sliding piece 130. The limiting piece 140 further comprises a spring 143, the spring 143 is sleeved on the outer circumferential side of the mounting end 142, one end of the spring 143 abuts against the fixing piece 150, and the other end abuts against the limiting end 141, the spring 143 has a restoring force for pushing the mounting end 142 to abut against the sliding piece 130 to move away from the upper cover 110.

[0033] In the application, through movably connecting the mounting end 142 with the fixing piece 150, the spring 143 can conveniently push the mounting end 142 to abut against the sliding piece 130 to move. The spring 143 abuts against the fixing piece 150 at one end and abuts against the limiting end 141 at the other end, which can conveniently push the mounting end 142 to abut against the sliding piece 130 to move away from the upper cover 110, so that the limiting piece 140 has a pre-tightening force on the sliding piece 130 when the sliding piece 130 slides on the upper cover 110, preventing the sliding piece 130 from shaking during movement, and improving the operation feeling.

[0034] Please refer to Figure 3 and Figure 6 The sliding piece 130 comprises a sliding groove 132, the mounting end 142 is arranged in the sliding groove 132 and connected with the upper cover 110, and the mounting end 142 is located between the insertion opening 111 and the operation hole 112. The side of the sliding groove 132 facing the upper cover 110 has a supporting protruding structure 133, when the sliding groove 132 is located at the first end, the supporting protruding structure 133 is located between the mounting end 142 and the first protruding structure 131, and is used as a supporting structure of the first protruding structure 131 to press the button 122.

[0035] In the application, the mounting end 142 is arranged between the insertion opening 111 and the operation hole 112, which can conveniently make the sliding piece 130 move on the first end and the second end of the upper cover 110. The setting of the supporting protruding structure 133 facilitates tilting the end of the sliding piece 130 provided with the first protruding structure 131 to one side of the operation hole 112 when the first protruding structure 131 is pressed, using the supporting protruding structure 133 as a fulcrum, which facilitates triggering the button 122 and improves the operation feeling.

[0036] Please refer to Figure 6The supporting convex structure 133 comprises an arc curved surface 1331.

[0037] In the embodiment, the arc curved surface 1331 is a smooth curved surface, which can reduce the movement resistance of the first end and the second end of the sliding piece 130 relative to the up-down movement, reduce the operation resistance, and improve the pressing feeling.

[0038] Please refer to Figure 3 The mounting end 142 has an insertion cavity 1421, and the fixing piece 150 has an insertion end 151 movably inserted into the insertion cavity 1421, so that the mounting end 142 can move along the axial direction of the mounting cavity, which is parallel to the axial direction of the insertion port 111.

[0039] By arranging the insertion cavity 1421 on the mounting end 142 and the insertion end 151 on the fixing piece 150, the insertion end 151 can be movably inserted into the insertion cavity 1421 when the fixing piece 150 is fixed inside the heat-not-burn device. The structure is simple, and the insertion end 151 will not be separated from the insertion cavity 1421 because the movement stroke of the sliding piece 130 in the direction of the insertion cavity 1421 is small.

[0040] Please refer to Figure 1 and Figure 3 The sliding piece 130 further comprises a dust cover 134 sleeved on the sliding groove 132 and used for covering or exposing the insertion port 111.

[0041] Since the sliding groove 132 also has a gap, foreign matters can still enter the insertion port 111 through the gap during the sliding process. Therefore, the dust cover 134 can cover the gap on the sliding groove 132, thereby further preventing foreign matters from entering the insertion port 111.

[0042] Please refer to Figure 6 The sliding piece 130 has oppositely arranged third and fourth ends, the first convex structure 131 is arranged on the third end, and the fourth end is used for covering the insertion port 111.

[0043] By arranging the first convex structure 131 and the part covering the insertion port 111 on the opposite ends of the sliding piece 130 respectively, different functions can be realized when the sliding piece 130 moves to the first end or the second end of the upper cover 110.

[0044] Please refer to Figure 3 The second side of the upper cover 110 is provided with a mounting groove 113 in communication with the operation hole 112, and the circuit board 121 is mounted in the mounting groove 113.

[0045] Please refer to Figure 3 A plastic gasket 160 is further arranged between the upper cover 110 and the sliding piece 130 and used for preventing foreign matters from entering the operation hole 112.

[0046] Embodiment 2

[0047] The present embodiment provides a sliding cover assembly 100 of a heat-not-burn device, as shown in Figures 1-6 The sliding cover assembly 100 comprises an upper cover 110, a circuit board 121 assembly 120 and a sliding member 130.

[0048] As shown in Figures 1-4 The upper cover 110 has an insertion port 111 and an operation hole 112, which are arranged along the length direction of the upper cover 110. The insertion port 111 is used to communicate with the heating cavity of the heat-not-burn device. The upper cover 110 has a first side and a second side, and the second side is used to connect with the shell of the heat-not-burn device. The circuit board 121 assembly 120 comprises a circuit board 121 and a button 122. The circuit board 121 is fixed to the upper cover 110, and the button 122 is installed on the circuit board 121 and extends into the operation hole 112. The sliding member 130 is arranged on the first side of the upper cover 110 along the length direction of the upper cover 110 and is movable between the first end and the second end of the upper cover 110. The first protruding structure 131 is arranged on the side of the sliding member 130 facing the upper cover 110. When the sliding member 130 moves to the first end, the insertion port 111 is completely exposed, the first protruding structure 131 is aligned with the operation hole 112, and the first protruding structure 131 can be pressed to contact the button 122 to trigger the button 122. When the sliding member 130 moves to the second end, the insertion port 111 is completely covered by the sliding member 130.

[0049] In the present application, the insertion port 111 and the operation hole 112 are arranged on the upper cover 110 along the length direction of the upper cover 110. The circuit board 121 is fixed to the upper cover 110, and the button 122 is installed on the circuit board 121 and extends into the operation hole 112. In addition, the sliding member 130 is arranged on the upper cover 110 along the length direction of the upper cover 110, and the first protruding structure 131 is arranged on the side of the sliding member 130 facing the upper cover 110. The sliding member 130 is slidable between the first end and the second end of the upper cover 110. On the one hand, when the sliding member 130 slides to the first end, the first protruding structure 131 is aligned with the operation hole 112, so that the first protruding structure 131 can be pressed to contact the button 122, thereby triggering the button 122. On the other hand, when the sliding member 130 moves to the second end, the insertion port 111 is completely covered by the sliding member 130, which can prevent foreign matter from entering the heating cavity from the insertion port 111. Therefore, the sliding cover assembly 100 of the present application can simultaneously realize the functions of covering the insertion port 111 and the button 122, and there is no need to arrange the button 122 and the button 122 cap and other structures on other parts of the heat-not-burn device, which can save the space of the heat-not-burn device and make the structure of the device more compact.

[0050] As shown inFigure 3 and Figure 5 The slide cover assembly 100 further comprises a limiting member 140, which comprises a limiting end 141 and a mounting end 142. The mounting end 142 is arranged through the sliding member 130 and connected to the upper cover 110. The limiting end 141 is fixedly connected to the mounting end 142, and protrudes from the mounting end 142 and abuts against the sliding member 130, so that the sliding member 130 can be limited while sliding on the upper cover 110.

[0051] In this embodiment, the limiting end 141 and the mounting end 142 are connected in a T-shaped structure. Through the arrangement of the T-shaped structure, the sliding member 130 can be conveniently limited on the upper cover 110, and the sliding member 130 can slide relative to the limiting member 140.

[0052] In this embodiment, the upper cover 110 further has a receiving groove, and the mounting end 142 is arranged in the receiving groove and connected to the bottom of the receiving groove through a spring 143, so that the mounting end 142 can move along the axial direction of the receiving groove, and the spring 143 has a restoring force to push the mounting end 142 to move away from the upper cover 110.

[0053] Through the spring 143, the mounting end 142 is movably connected to the receiving groove. When the sliding member 130 slides on the upper cover 110, the restoring force of the spring 143 makes the limiting member 140 have an abutting force to push the sliding member 130 away from the upper cover 110, preventing the sliding member 130 from shaking during movement and improving the operation feeling.

[0054] Please refer to Figure 3 and Figure 6 The sliding member 130 comprises a sliding groove 132, and the mounting end 142 is arranged through the sliding groove 132 and connected to the upper cover 110, and the mounting end 142 is located between the insertion opening 111 and the operation hole 112. The side of the sliding groove 132 facing the upper cover 110 has a supporting protruding structure 133. When the sliding groove 132 is located at the first end, the supporting protruding structure 133 is located between the mounting end 142 and the first protruding structure 131, and is used as a supporting structure of the first protruding structure 131 to press the button 122.

[0055] In this application, the mounting end 142 is arranged between the insertion opening 111 and the operation hole 112, so that the sliding member 130 can move on the first end and the second end of the upper cover 110. The arrangement of the supporting protruding structure 133 facilitates tilting of the end of the sliding member 130 provided with the first protruding structure 131 to one side of the operation hole 112 when the first protruding structure 131 is pressed, so as to facilitate triggering of the button 122 and improve the operation feeling.

[0056] Please refer to Figure 6The supporting convex structure 133 comprises an arc curved surface 1331.

[0057] In this embodiment, the arc curved surface 1331 is a smooth curved surface, which can reduce the movement resistance of the first end and the second end of the sliding piece 130 relative to the up-down movement, reduce the operation resistance, and improve the pressing feeling.

[0058] Please refer to Figure 1 and Figure 3 The sliding piece 130 further comprises a dust cover 134, which is sleeved on the sliding groove 132 and used for covering or exposing the insertion port 111.

[0059] Since the sliding groove 132 also has a gap, foreign matters can still enter the insertion port 111 through the gap during the sliding process. Therefore, the dust cover 134 can cover the gap on the sliding groove 132, thereby further preventing foreign matters from entering the insertion port 111.

[0060] Please refer to Figure 6 The sliding piece 130 has a third end and a fourth end arranged oppositely, the first convex structure 131 is arranged on the third end, and the fourth end is used for covering the insertion port 111.

[0061] By arranging the first convex structure 131 and the part covering the insertion port 111 on the opposite ends of the sliding piece 130 respectively, different functions can be realized when the sliding piece 130 moves to the first end or the second end of the upper cover 110.

[0062] Please refer to Figure 3 The second side of the upper cover 110 is provided with a mounting groove 113, the mounting groove 113 is in communication with the operation hole 112, and the circuit board 121 is mounted in the mounting groove 113.

[0063] Please refer to Figure 3 A plastic gasket 160 is further arranged between the upper cover 110 and the sliding piece 130, which is used for preventing foreign matters from entering the operation hole 112.

[0064] Embodiment 3

[0065] This embodiment provides a heat-not-burn device, which comprises the sliding cover assembly 100 in the embodiment 1 or the embodiment 2, a heating assembly, a power supply assembly and a shell.

[0066] The shell is provided with a heating cavity and a power supply mounting cavity, the heating cavity is in communication with the insertion port 111 of the sliding cover assembly 100, the upper cover 110 of the sliding cover assembly 100 is connected with the shell, the heating assembly is arranged in the heating cavity and used for heating an aerosol generating substrate, and the power supply assembly is arranged in the power supply mounting cavity and used for providing electric energy for the heating assembly.

[0067] The utility model is described above with specific examples, which is only used for helping to understand the utility model and does not limit the utility model. For the skilled in the art to which the utility model belongs, according to the idea of the utility model, a number of simple deductions, deformations or substitutions can be made.

Claims

1. A sliding cover assembly for a heat-not-burn device, the sliding cover assembly comprising: The application relates to a heating non-combustion device, comprising the following parts: an upper cover with an insertion port and an operation hole, the insertion port and the operation hole being arranged along the length direction of the upper cover; the insertion port is used for communicating with a heating cavity of the heating non-combustion device; the upper cover has a first side and a second side, and the second side is used for connecting with a shell of the heating non-combustion device; a circuit board assembly comprising a circuit board and a button, the circuit board being fixed to the upper cover; the button is installed on the circuit board and extends into the operation hole; and a sliding piece arranged on the first side of the upper cover along the length direction of the upper cover and moving between the first end and the second end of the upper cover; the sliding piece is provided with a first protruding structure on one side of the upper cover; when the sliding piece moves to the first end, the insertion port is completely exposed, the first protruding structure is aligned with the operation hole, and the first protruding structure can be pressed to contact the button to trigger the button; when the sliding piece moves to the second end, the insertion port is completely covered by the sliding piece.

2. The slider assembly of claim 1, wherein, The application further comprises a limiting piece, the limiting piece comprising a limiting end and a mounting end, the mounting end being arranged through the sliding piece and connected with the upper cover, the limiting end being fixedly connected with the mounting end, and the limiting end being protrusively arranged on the mounting end and abutting against the sliding piece, so that the sliding piece can be limited while sliding on the upper cover.

3. The slider assembly of claim 2, wherein, The application further comprises a fixing piece used for fixing in a containing cavity of the heating non-combustion device, the mounting end being movably connected with the fixing piece, so that the mounting end can move along the axial direction of the limiting piece, and one end of the mounting end away from the fixing piece can abut against the sliding piece; the limiting piece further comprises a spring, the spring being sleeved on the outer circumferential side of the mounting end, one end of the spring abutting against the fixing piece, and the other end of the spring abutting against the limiting end, the spring having a restoring force for pushing the mounting end to abut against the sliding piece and move away from the upper cover.

4. The slider assembly of claim 3, wherein, The sliding piece comprises a sliding groove, the mounting end being arranged through the sliding groove and connected with the upper cover, and the mounting end being located between the insertion port and the operation hole; the sliding groove has a supporting protruding structure on one side of the upper cover, when the sliding groove is located at the first end, the supporting protruding structure is located between the mounting end and the first protruding structure and serves as a supporting structure of the first protruding structure for pressing the button.

5. The slider assembly of claim 4, wherein, The supporting protruding structure comprises an arc-shaped curved surface.

6. The slider assembly of claim 4, wherein, The sliding piece further comprises a dustproof cover, the dustproof cover being sleeved on the sliding groove and used for covering or exposing the insertion port.

7. The slider assembly of claim 3, wherein, The mounting end has an insertion cavity, the fixing piece has an insertion end movably arranged in the insertion cavity, so that the mounting end can move along the axial direction of the mounting cavity, and the axial direction of the mounting cavity is parallel to the axial direction of the insertion port.

8. The slider assembly of claim 1, wherein, The sliding piece has oppositely arranged third and fourth ends, the first protruding structure being arranged on the third end, and the fourth end being used for covering the insertion port.

9. The slider assembly of claim 1, wherein, The second side of the upper cover is provided with a mounting groove, the mounting groove being communicated with the operation hole, and the circuit board being mounted in the mounting groove.

10. A heat-not-burn device, characterized in that A sliding cover assembly as claimed in any one of claims 1 to 9 and a heating chamber for splicing an aerosol generating substrate.

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