A smokeless ashtray

Abstract

The invention discloses a smokeless ashtray, belonging to the technical field of intelligent ashtrays. Through a unique cylinder body design, a cylinder cover and a cylinder body supporting tube are very conveniently mounted on both ends thereof respectively. The cylinder cover and the cylinder body supporting tube are installed in one step without considering the positioning problem, and the installation efficiency is extremely high. In addition, a smoke purification device is arranged in the cylinder body supporting tube. When a lit cigarette is placed in a U-shaped smoke releasing groove, or a cigarette butt is placed in the cylinder body, the smoke will be purified by the smoke purification device and then discharged, and harmful substances in the smoke will be completely eliminated, reducing the harm to the environment and human body. In addition, people who are in urgent need of smoking indoors can also place the lit cigarette in the U-shaped smoke releasing groove, which can greatly reduce the pollution of the smoke to the indoor environment or the impact of the smoke on human health.

Description

Technical Field

[0001] The invention relates to human daily necessities, in particular to a cigarette smoke and ash processing technology, in particular to a smokeless ashtray. Background Art

[0002] Ashtrays are used to hold cigarette ashes and cigarette butts. In the prior art, ashtrays have the following shortcomings: 1) Ashtrays can only hold cigarette ashes and cigarette butts, but cannot suppress the smoke generated when cigarette butts are lit; 2) The ashes of cigarette butts need to be manually dusted off, which is inconvenient to use; 3) The smoke generated when cigarettes are placed in ashtrays contains PM2.5 and PM10, tar, nicotine, formaldehyde, TVOC and various odors, which will affect human health; 4) Ashtrays are not easy to carry, and cigarette ashes are dusted on the ground, affecting environmental hygiene. Summary of the invention

[0003] The purpose of the present invention is to provide a smokeless ashtray, which, through a unique cylinder body design, allows the cylinder cover and the cylinder body supporting tube to be very conveniently mounted on both ends thereof, respectively. The cylinder cover and the cylinder body supporting tube can be installed in one step without considering the positioning problem, and the installation efficiency is extremely high. In addition, a smoke purification device is arranged in the cylinder body supporting tube. When a lit cigarette is placed in the U-shaped smoke release groove, or a cigarette butt is placed in the cylinder body, the smoke will be purified by the smoke purification device and then discharged, completely eliminating harmful substances in the smoke and reducing harm to the environment and human body. In addition, when smoking outdoors, if there are suddenly matters to be dealt with, most people will discard the cigarette at this time, causing waste. The ashtray of the present application is easy to carry, and the unsmoked cigarette can be placed in the U-shaped smoke release groove and carried indoors together without worrying about smoke polluting the indoor environment.

[0004] In order to solve the technical problems that the ashtrays in the prior art have single functions, are inconvenient to carry, and are unable to handle discarded cigarette butts and place away harmful substances in smoke from burning cigarettes, the present application provides a smokeless ashtray, which specifically includes a cylinder body, a cylinder cover, a cylinder body support pipe, a smoke purification device, and a power supply;

[0005] The cylinder body comprises a cylindrical upper cylinder body and a barrel-shaped lower cylinder body, the lower end circumference of the upper cylinder body is provided with a shoulder structure by means of an expansion method, the outer diameter of the shoulder structure is larger than the outer diameter of the cylinder body and the outer diameter of the cylinder body support tube; the upper end circumference of the lower cylinder body is provided with a circumferential assembly surface by means of an expansion method; the lower end of the shoulder structure is connected to the circumferential assembly surface by an arc transition welding; a through hole is provided on the circumference of the lower cylinder body adjacent to the assembly surface;

[0006] A cylinder head, the cylinder head comprising a cylinder head seat and a cylinder head cap; a U-shaped smoke release groove is provided at the upper edge of the cylinder head seat, the lower end of the cylinder head seat is sleeved outside the upper cylinder body and axially stopped at the boss structure, the cylinder head cap covers the upper opening of the cylinder head seat, the rear end of the cylinder head cap is hinged on the cylinder head seat, the front end of the cylinder head cap is connected to the cylinder head seat through a locking switch, and a through hole is provided on the cylinder head cap;

[0007] A cylinder support tube, the upper end of which is sleeved outside the lower cylinder body and axially stopped at the boss structure, and the lower end of which is radially provided with an inwardly concave mounting seat;

[0008] A flue gas purification device, the flue gas purification device is arranged in the inner cavity of the cylinder support tube and axially stopped at the concave mounting seat;

[0009] A rechargeable power source is arranged in a power box on the side wall of the cylinder support tube and is connected in parallel to the flue gas purification device.

[0010] Preferably, in order to more conveniently open the cylinder cap, a smokeless ashtray provided by the present invention has a torsion spring sleeved on the hinge axis between the cylinder cap and the cylinder cap seat, the torsion spring biases the cylinder cap in the opening direction, and a plurality of through holes are opened on the cylinder cap.

[0011] Furthermore, the present invention provides a smokeless ashtray, wherein the locking switch includes a fixed latch tooth arranged at the front end of the cylinder head cap and a movable latch tooth arranged in the inner cavity of the cylinder head seat, the movable latch tooth is fixed to a button rod radially passing through the cylinder head seat, and the movable latch tooth and the cylinder head cap are connected by a radially arranged pre-stretched spring.

[0012] Furthermore, the present invention provides a smokeless ashtray, which also includes an ash duster, wherein the ash duster includes a tuning fork structure and a dial pin; the rear end of the tuning fork structure is fixedly installed on the cylinder head seat, and the front end is close to the U-shaped smoke release groove along the vibration direction of the tuning fork structure; the dial pin is fixed to the cylinder head cap, and moves the tuning fork structure in the cylinder head cap pop-up path; when it is necessary to temporarily put the burning cigarette in the U-shaped smoke release groove, the cylinder head cap is opened, and the cylinder head cap pops up under the action of the torsion spring. During the pop-up process, the dial pin arranged on the cylinder head cap hits the tuning fork. Because the front end of the tuning fork is close to the burning cigarette along its own vibration direction, it will vibrate once it is hit by the dial pin, and the small vibration will slightly hit the burning cigarette, causing the ashes at the inner end of the burning cigarette to separate from the cigarette body and fall into the cylinder body below, thereby avoiding the smoker's manual dusting action, which is more convenient to use.

[0013] Preferably, the present invention provides a smokeless ashtray, wherein the smoke purification device comprises a filter frame and a negative pressure fan;

[0014] A filter frame, the filter frame comprises a mounting plate, an inner tube and an outer tube arranged coaxially, the tube walls of the inner tube and the tube walls of the outer tube are evenly distributed with through holes, the lower ends of the inner tube and the lower ends of the outer tube are both embedded and mounted on the mounting plate, and a through hole connecting the inner cavity of the inner tube and the outer side of the mounting plate is opened in the center of the mounting plate; a positioning plate is provided at the upper end of the inner tube, and a mounting ring is provided at the upper end of the outer tube, and the positioning plate and the mounting ring are sealingly assembled; the outer side of the tube wall of the inner tube is surrounded by filter cloth, and the outer side of the tube wall of the outer tube is provided with filter cloth, and the inner tube and the outer tube are filled with activated carbon and / or a mixture of nano-active minerals; the mounting plate is axially stopped at the upper end surface of the concave mounting seat;

[0015] A negative pressure fan is sealed and connected to the lower end surface of the concave mounting seat, and an air inlet of the negative pressure fan is connected to the through hole in the center of the mounting plate.

[0016] Furthermore, the present invention provides a smokeless ashtray, which, in order to prevent smoke that has not been filtered by the filter frame from directly entering the negative pressure fan through the gap between the mounting plate and the inner wall of the cylinder support tube, also includes a sealing ring, which is sleeved on the mounting plate and is used to achieve a sealing effect between the mounting plate and the inner wall of the cylinder support tube.

[0017] Furthermore, the present invention provides a smokeless ashtray, which, in order to prevent the internal smoke purification device from colliding with the inner wall of the cylinder support tube when the ashtray is carried, improves the compactness of the device's own structure and extends its service life, also includes a radial support block, which is arranged on the outer circumference of the positioning plate to ensure the coaxiality of the filter frame and the cylinder support tube.

[0018] Furthermore, the present invention provides a smokeless ashtray, which also includes a bottom cover, which is connected to the lower end of the cylinder body support tube and covers the negative pressure fan, and the side wall and / or the bottom of the bottom cover are provided with through holes; while ensuring that the smoke can be purified and discharged smoothly, the placement of the ashtray is facilitated and the negative pressure fan is protected.

[0019] Furthermore, the present invention provides a smokeless ashtray, in order to improve the convenience of use of the ashtray, which also includes a control device, the control device includes a switch, a power detection unit, a rechargeable power supply, red and green indicator lights and a charging interface; the charging interface is arranged in the power box and connected to the rechargeable power supply through a charging circuit, the switch is arranged in the power box and connected to the power output line, the power detection unit is connected to the rechargeable power supply, and the red and green indicator lights are connected to the signal output end of the power detection unit.

[0020] Specifically, the switch, power detection unit, red and green indicator lights, charging circuit and charging interface of the present invention all adopt the known technical solutions in the prior art; for example, when the power of a rechargeable appliance is low, a red light is used to indicate that the power is low, and when the power is high, a green light is used to indicate that the power is high. The above known technical solutions are well known to those skilled in the art and will not be described in detail here.

[0021] The smokeless ashtray provided by the present invention has the following advantages compared with the prior art: on the one hand, the cylinder body of the present application is composed of a tubular upper cylinder body and a barrel-shaped lower cylinder body, and the upper cylinder body is connected to the upper end of the assembly surface of the lower cylinder body by arc transition welding at the lower end of the boss structure. The original cylinder body structure facilitates the subsequent addition of a smoke purification device, and while optimizing the structural design, it plays a role in eliminating and purifying cigarette butts and smoke from burning cigarettes, reducing harm to the environment and human body; on the other hand, the ashtray of the present application is easy to carry, and cigarette ashes and cigarette butts are not easy to fall out; in addition, the ashes do not need to be manually shaken off, and the ash itself has an ash-shaking structure, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of a smokeless ashtray according to the present invention;

[0023] Figure 2 This is a schematic diagram of the structure of a smokeless ashtray in another aspect of the present invention;

[0024] Figure 3 It is a schematic cross-sectional view of a smokeless ashtray of the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of a cylinder cover seat of a smokeless ashtray of the present invention;

[0026] Figure 5 It is a schematic diagram of the top view of the cylinder cover seat of a smokeless ashtray of the present invention;

[0027] Figure 6 It is a schematic diagram of the cylinder structure of a smokeless ashtray of the present invention;

[0028] Figure 7 It is a schematic diagram of the assembly structure of the inner tube and the mounting plate of a smokeless ashtray of the present invention;

[0029] Figure 8 It is a schematic cross-sectional structure diagram of a filter frame of a smokeless ashtray of the present invention;

[0030] Fig. 9 The present invention is a schematic diagram of the structure of a control device of a smokeless ashtray.

[0031] Wherein: 1. Cylinder body; 100. Upper cylinder body; 101. Lower cylinder body; 2. Cylinder body support tube; 3. Rechargeable power supply; 4. Boss structure; 5. Assembly surface; 6. Cylinder head seat; 60. Moving latch; 61. Push button rod; 62. Pre-stretching spring; 7. Cylinder head cap; 70. Fixed latch; 8. U-shaped smoke release groove; 9. Torsion spring; 10. Concave mounting seat; 11. Power box; 12. Negative pressure fan; 13. Mounting plate; 14. Inner tube; 15. Outer tube; 16. Positioning plate; 17. Mounting ring; 18. Sealing ring; 19. Radial support block; 20. Bottom cover; 21. Tuning fork structure; 22. Pin; 23. Switch; 24. Power detection unit; 25. Red and green indicator lights; 26. Charging port. DETAILED DESCRIPTION

[0032] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings;

[0033] like Figures 1 to 7 As shown, this embodiment provides a smokeless ashtray, which specifically includes a cylinder body 1, a cylinder head, a cylinder body support tube 2, a smoke purification device and a power supply 3; wherein the cylinder body 1 includes a cylindrical upper cylinder body 100 and a barrel-shaped lower cylinder body 101, the lower end circumference of the upper cylinder body 100 is provided with a shoulder structure 4 in a diameter expansion manner, and the outer diameter of the shoulder structure 4 is larger than the outer diameter of the cylinder body 1 and the outer diameter of the cylinder body support tube 2; the upper end circumference of the lower cylinder body 101 ... provided with a shoulder structure 4 in a diameter expansion manner, and the outer diameter of the shoulder structure 4 is provided with a shoulder structure 4 in a diameter expansion manner, and the outer diameter of the shoulder structure 4 is provided with a shoulder structure 4 in a diameter expansion manner, and the outer diameter of the shoulder structure The circumferential assembly surface 5 is set in an expansion manner; the lower end of the boss structure 4 is connected to the upper end of the assembly surface 5 by arc transition welding; a through hole is opened in the circumference of the lower cylinder body 101 and close to the assembly surface 5; the cylinder head includes a cylinder head seat 6 and a cylinder head cap 7; a U-shaped smoke release groove 8 is opened on the upper edge of the cylinder head seat 6, and the lower end is sleeved on the upper cylinder body 100 and axially stopped at the boss structure 4; the rear end of the cylinder head cap 7 is hinged to the cylinder head seat 6, and the front end is locked by locking The switch is connected to the cylinder head seat 6, and a through hole is provided on the cylinder head cap 7, and also includes a torsion spring 9, which is sleeved on the hinge shaft of the hinged part and is used to bounce off when the cylinder head cap 7 is separated from the locking action of the locking switch. The locking switch includes a fixed latch tooth 70 arranged at the front end of the cylinder head cap 7 and a movable latch tooth 60 arranged in the inner cavity of the cylinder head seat 6, and the movable latch tooth 60 is fixed to a button rod 61 radially penetrating the cylinder head seat 6, and the movable latch tooth 60 and the cylinder head cap 7 are connected by a radially arranged pre-tensioning spring 62; the upper end of the cylinder support tube 2 is sleeved outside the lower cylinder 101 and axially stopped at the boss structure 4, and the lower end of the cylinder support tube 2 is radially provided with a concave mounting seat 10; the flue gas purification device is arranged in the inner cavity of the cylinder support tube 2 and axially stopped at the concave mounting seat 10; the power supply 3 is arranged in the power supply box 11 on the side wall of the cylinder support tube 2, and is connected to the flue gas purification device in parallel;

[0034] Specific as Figure 7and Figure 8 As shown, the flue gas purification device includes a filter frame and a negative pressure fan 12; the filter frame includes a mounting plate 13, an inner tube 14 and an outer tube 15 arranged coaxially, the tube wall of the inner tube 14 and the tube wall of the outer tube 15 are evenly distributed with through holes, the lower end of the inner tube 14 and the lower end of the outer tube 15 are both embedded and installed on the mounting plate 13, and the center of the mounting plate 13 is provided with a through hole that connects the inner cavity of the inner tube 14 and the outer side of the mounting plate 13; a positioning plate 16 is provided at the upper end of the inner tube 14, and a mounting ring 17 is provided at the upper end of the outer tube 15, and the positioning plate 16 and the mounting ring 17 are sealed and assembled; wherein, the outer tube wall of the inner tube 14 is wrapped with several layers of PM2.5 high-efficiency filter cloth, the outer tube wall of the outer tube is wrapped with several layers of PM2.5 high-efficiency filter cloth, and a mixture of activated carbon and nano-active ore is filled between the inner tube 14 and the outer tube 15; the mounting plate 13 is axially stopped at The upper end surface of the recessed mounting seat 10; the negative pressure fan 12 is mounted on the lower end surface of the recessed mounting seat 10, and the air inlet of the negative pressure fan 12 is sealed and connected to the through hole of the mounting plate 13; at the same time, in order to prevent the smoke that has not been filtered by the filter frame from directly entering the negative pressure fan 12 through the gap between the mounting plate 13 and the inner wall of the cylinder support tube 2, it also includes a sealing ring 18, which is sleeved on the mounting plate 13 to achieve a sealing effect between the mounting plate 13 and the inner wall of the cylinder support tube 2; further, in order to prevent the internal smoke purification device from colliding with the inner wall of the cylinder support tube 2 when carrying the ashtray, and at the same time improve the compactness of the device's own structure and extend its service life, it also includes a radial support block 19, which is arranged on the outer ring surface of the positioning plate 16 to ensure that the filter frame and the cylinder support tube 2 are consistent in coaxiality;

[0035] In addition, in order to facilitate the placement of the ashtray and protect the negative pressure fan 12, it also includes a bottom cover 20, which is connected to the lower end of the cylinder support tube 2 and covers the negative pressure fan 12, and the side wall and / or the bottom of the bottom cover 20 are provided with through holes;

[0036] As a preferred technical solution of this embodiment, as shown in the figure, it also includes an ash duster, which includes a tuning fork structure 21 and a dial pin 22; the rear end of the tuning fork structure 21 is fixedly installed on the cylinder head seat 6, and the front end is close to the U-shaped smoke release groove 8 along the vibration direction of the tuning fork structure 21; the dial pin 22 is fixed to the cylinder head cap 7, and the tuning fork structure 21 is dialed in the pop-up path of the cylinder head cap 7; when it is necessary to temporarily put the burning cigarette on the U-shaped smoke release groove 8, the cylinder head cap 7 is opened, and the cylinder head cap 7 is bounced open under the action of the torsion spring 9. In the process of popping open, the dial pin 22 arranged on the cylinder head cap 7 hits the tuning fork structure 21. Because the front end of the tuning fork is close to the burning cigarette along its own vibration direction, it will vibrate once it is hit by the dial pin 22. The small vibration will slightly hit the burning cigarette, causing the ash at the inner end of the burning cigarette to fall off the cigarette body and fall into the cylinder body below, thereby avoiding the smoker's manual action of dusting the cigarette, which is more convenient to use;

[0037] In order to improve the convenience and intelligence of ashtrays, Fig. 9 As shown, it also includes a control device, which includes a power supply 3, a switch 23, a power detection unit 24, a red and green indicator light 25 and a charging interface 26; the charging interface is arranged in the power box and connected to the power supply through a charging circuit, the switch is arranged in the power box and connected to the power output line, the power detection unit is connected to the power supply, the red and green indicator lights are connected to the signal output end of the power detection unit, and the power supply 3 is electrically connected to the negative pressure fan 12, which is used to drive the negative pressure fan 12 through the driving circuit to introduce the air mixed with the flue gas into the flue gas purification device after turning on the switch 23;

[0038] The working process and principle of the technical solution of this embodiment are as follows: a smoker can carry the smokeless ashtray of this embodiment with him when smoking. When he finishes smoking, he can press the button rod 61. At this time, the movable latch tooth 60 is disengaged from the lock with the fixed latch tooth 70, and the cylinder cap 7 is bounced open under the action of the torsion spring 9. At this time, the cigarette butt can be thrown into the lower cylinder body 101, and the smoke of the burning cigarette butt will enter the smoke purification device under the action of the negative pressure fan; if the cigarette has not been smoked out yet, just to dust off the ashes, at this time, the cigarette butt is close to the tuning fork structure 21. Since the needle 22 follows the upward movement of the cylinder cap to stir the tuning fork structure 21, the tuning fork structure is in a vibrating state. At this time, the ashes of the cigarette head will be dusted into the lower cylinder body 101; or in the smoke smell suction After the smoke is finished, it needs to be brought into the room. At this time, the cigarette can be placed in the U-shaped smoke release groove and then the cylinder cap is covered. Or some people who are in urgent need of smoking indoors can place the lit cigarette in the U-shaped smoke release groove and then cover the cylinder cap to smoke at any time. In the above four cases, the smoke will be brought into the filter frame located in the cylinder support tube 2 by the negative pressure fan 12, enter the filter frame from the outer periphery of the filter frame, and successively pass through several layers of PM2.5 high-efficiency filter cloth wrapped around the outer tube wall, the outer tube 15, the activated carbon and / or nano-active ore mixture, several layers of PM2.5 high-efficiency filter cloth wrapped around the inner tube wall and the inner tube 14 into the inner tube cavity, and finally enter the negative pressure fan 12 through the through hole in the center of the mounting plate 13 for discharge.

[0039] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A smokeless ashtray, characterized in that: It includes a cylinder body, a cylinder head, a cylinder body support pipe, a flue gas purification device and a power supply; The cylinder body comprises a cylindrical upper cylinder body and a barrel-shaped lower cylinder body, the lower end circumference of the upper cylinder body is provided with a shoulder structure by means of an expansion method, the outer diameter of the shoulder structure is larger than the outer diameter of the cylinder body and the outer diameter of the cylinder body support tube; the upper end circumference of the lower cylinder body is provided with a circumferential assembly surface by means of an expansion method; the lower end of the shoulder structure is connected to the circumferential assembly surface by an arc transition welding; a through hole is provided on the circumference of the lower cylinder body adjacent to the assembly surface; A cylinder head, the cylinder head comprising a cylinder head seat and a cylinder head cap; a U-shaped smoke release groove is provided at the upper edge of the cylinder head seat, the lower end of the cylinder head seat is sleeved outside the upper cylinder body and axially stopped at the boss structure, the cylinder head cap covers the upper opening of the cylinder head seat, the rear end of the cylinder head cap is hinged on the cylinder head seat, the front end of the cylinder head cap is connected to the cylinder head seat through a locking switch, and a through hole is provided on the cylinder head cap; A cylinder support tube, the upper end of which is sleeved outside the lower cylinder body and axially stopped at the boss structure, and the lower end of which is radially provided with an inwardly concave mounting seat; A flue gas purification device, the flue gas purification device is arranged in the inner cavity of the cylinder support tube and axially stopped at the concave mounting seat; A rechargeable power source, which is arranged in a power box on the side wall of the cylinder support tube and connected to the power supply terminal of the flue gas purification device through a wire; A torsion spring is sleeved on the hinge shaft between the cylinder head cap and the cylinder head seat, and the torsion spring biases the cylinder head cap in the opening direction. A plurality of through holes are opened on the cylinder head cap; The locking switch comprises a fixed latching tooth arranged at the front end of the cylinder head cap and a movable latching tooth arranged in the inner cavity of the cylinder head seat, the movable latching tooth is fixed to a button rod radially penetrating the cylinder head seat, and the movable latching tooth and the cylinder head cap are connected by a radially arranged pre-tensioned spring; It also includes an ash duster, which includes a tuning fork structure and a dial pin; the rear end of the tuning fork structure is fixedly mounted on the cylinder head seat, and the front end is close to the U-shaped smoke release groove along the vibration direction of the tuning fork structure; the dial pin is fixed to the cylinder head cap, and dials the tuning fork structure in the cylinder head cap pop-up path; The flue gas purification device comprises a filter frame and a negative pressure fan; A filter frame, the filter frame comprises a mounting plate, an inner tube and an outer tube arranged coaxially, the tube walls of the inner tube and the tube walls of the outer tube are evenly distributed with through holes, the lower ends of the inner tube and the lower ends of the outer tube are both embedded and mounted on the mounting plate, and a through hole connecting the inner cavity of the inner tube and the outer side of the mounting plate is opened in the center of the mounting plate; a positioning plate is provided at the upper end of the inner tube, and a mounting ring is provided at the upper end of the outer tube, and the positioning plate and the mounting ring are sealed and assembled; the outer side of the tube wall of the inner tube is surrounded by PM2.5 high-efficiency filter cloth, the outer side of the tube wall of the outer tube is provided with PM2.5 high-efficiency filter cloth, and the inner tube and the outer tube are filled with activated carbon and / or a mixture of nano-active minerals; the mounting plate is axially stopped at the upper end surface of the concave mounting seat; A negative pressure fan, the negative pressure fan is sealed and connected to the lower end surface of the concave mounting seat, and the air inlet of the negative pressure fan is connected to the through hole in the center of the mounting plate; It includes a sealing ring, which is sleeved on the mounting plate and is used to achieve a sealing effect between the mounting plate and the inner wall of the cylinder support tube; It also includes a radial support block, which is arranged on the outer circumference of the positioning disk and is used to ensure that the filter frame and the cylinder support pipe are consistent in coaxiality.

2. The smokeless ashtray according to claim 1, characterized in that: It also includes a bottom cover, which is connected to the lower end of the cylinder support tube, covers the negative pressure fan, and has through holes on the side wall and / or the bottom of the bottom cover.

3. The smokeless ashtray according to claim 1, characterized in that: It also includes a control device, which includes a switch, a power detection unit, a rechargeable power supply, red and green indicator lights and a charging interface; the charging interface is arranged in the power box and is connected to the rechargeable power supply through a charging circuit, the switch is arranged in the power box and is connected to a power output line, the power detection unit is connected to the rechargeable power supply, and the red and green indicator lights are connected to the signal output end of the power detection unit.

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