Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, it is an object of the present application to provide a low temperature baking smoking set that can conveniently clean a heating chamber.
In order to solve the technical problems, the invention adopts the following technical scheme:
A low temperature baked smoking article comprising:
The inside of the shell is provided with a heating cavity for inserting cigarettes in a sliding manner;
The heating body is used for heating the cigarettes inserted in the heating cavity;
the cleaning plug is arranged at the bottom of the heating cavity, so that residues generated after the cigarettes are heated are deposited on the cleaning plug;
The ejector rod is fixedly arranged in the shell and is opposite to the cleaning plug;
the trigger piece is fixedly connected with the heating cavity;
when the trigger piece is pressed, the cleaning plug moves along with the heating cavity towards the ejector rod to separate the cleaning plug from the shell, and when the trigger piece is loosened, the heating cavity is reset under the action of the reset piece.
Further, the heating body is a heating tube which is arranged in the shell in a sliding manner, and the inner cavity of the heating tube forms the heating cavity.
Further, the bottom end fixing of the heating tube is provided with a heating body support, and the cleaning plug is installed in the installation through hole on the heating body support in a matched mode so as to plug the bottom end of the heating tube.
Furthermore, the cleaning plug is in a free state in the heating tube after being separated from the mounting through hole, and can freely slide out of the cigarette jack of the smoking set.
Further, the section of the cleaning plug is T-shaped, the vertical section of the cleaning plug is in interference connection with the installation through hole through the sealing ring, and the sealing ring can be separated from the installation through hole along with the cleaning plug.
Further, a heat insulation piece linked with the heating tube is arranged between the heating tube and the shell, a first air passage is arranged between the heating tube and the heat insulation piece, an air inlet hole is arranged on the shell, a second air passage is arranged between the heating tube and the heating tube, and air flows sequentially enter the heating tube through the air inlet hole, the first air passage and the second air passage and flow out of the top of the cigarette.
Further, the trigger piece is a guide sleeve which is matched and slidably installed in a through hole at the top of the shell, the bottom end of the guide sleeve is in butt joint with the heating tube, a positioning shaft shoulder is arranged on the peripheral wall of the guide sleeve, an inner cavity of the guide sleeve becomes a cigarette jack of the smoking set, and the guide sleeve is in butt joint and positioning with the inner wall of the shell through the positioning shaft shoulder under the action of restoring force provided by the elastic resetting piece.
Further, the ejector rod is fixedly arranged in the shell through the support, and the elastic reset piece is a reset spring which is arranged between the support and the heating body support and sleeved on the ejector rod.
Further, the heat insulation piece is a sleeve pipe clamped and fixed between the heating body bracket and the guide sleeve, a heat insulation cavity is formed in the side peripheral wall of the sleeve pipe, and an aerogel layer is formed on at least one side wall of the heat insulation cavity.
Furthermore, an energy source and a control board are further arranged in the shell, the energy source, the control board and the heating body are electrically connected to form a control circuit, and a control key and a charging interface which are connected with the control board are arranged on the shell.
Further, an annular guide ring is arranged on the inner side wall of the shell, and the sleeve is arranged in the annular guide ring in a matched sliding manner.
Further, the shell comprises a left half shell and a right half shell which are mutually buckled and fixed, and the energy source and the control board are clamped and fixed in the shell when the left half shell and the right half shell are buckled.
Compared with the prior art, the invention has the beneficial effects that:
1. When the smoking set is cleaned, the heating cavity of the smoking set is cleaned conventionally through the hairbrush, substances which are difficult to clean and are generated by long-term use of the smoking set are remained on the cleaning plug which is contacted with the tail end of the cigarette, the cleaning plug is separated from the smoking set by pressing the trigger piece to enable the ejector rod to move relatively to the heating cavity, so that the heating cavity can be cleaned thoroughly, accumulation of residues such as tobacco tar and the like during long-term use is avoided, and the existing smoking set is not required to be improved greatly.
2. The cleaning plug is ejected by the pure mechanical manual ejection mechanism, and has the advantages of simple structure, high application strength, firmness, durability and good touch feeling.
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
Referring to fig. 1-3, a low-temperature baking smoking set comprises a shell 1, wherein a heating cavity and a heating body 2 are arranged in the shell 1, and the heating body 2 is used for heating cigarettes in the heating cavity. The heating cavity can slide relative to the shell 1, a cigarette insertion opening 3 (insertion hole) for inserting a cigarette is arranged at the top of the shell 1, and the cigarette insertion opening 3 is preferably designed to be coaxial with the heating cavity and matched with the cigarette, so that the cigarette has a certain blocking force when being inserted into the cigarette insertion opening 3, and the cigarette can be prevented from being thrown out from a smoking set. An energy source 4, such as a battery, is also provided in the housing 1 and electrically connected to the heating element 2 to power the heating element 2 when required, the battery may be a lithium ion battery, a nickel hydrogen battery or other battery, preferably a rechargeable battery. The casing 1 is also provided with a control board 5, and the control board 5, the battery and the heating element 2 are electrically connected to form a control circuit, and the specific constitution of the control circuit is not described in detail in the prior art. The side wall of the shell 1 is provided with a control key 6 and a charging interface 7 which are connected with a PCB key board 26 on the control board 5, the battery can be charged through the charging interface 7, and the power supply or the power failure of the heating body 2 can be realized through a control circuit by pressing the control key 6.
Cigarettes herein are intended to be taken to mean not only conventional heated non-combustible cigarettes, but also any other article containing smoking material and which can be inserted into a heating chamber for heating to volatilize. If the cigarette is composed of a tobacco section containing tobacco materials and a filter tip section in the embodiment, when a smoker needs to smoke, the cigarette is inserted into the heating cavity from the cigarette insertion opening 3, and the filter tip section of the cigarette is at least partially exposed out of the smoking set from the cigarette insertion opening 3, the control key 6 is pressed to control the circuit to control the battery to supply power to the heating body 2, so that the heating body 2 heats the smoking materials to generate smoke for the smoker to smoke, and the smoke enters the mouth of the smoker after being filtered by the filter tip section. After the cigarette is used, the control circuit stops supplying power to the heating body 2, a smoker can hold the cigarette outside leakage section to pull out the cigarette from the heating cavity, the cigarette can adopt the existing cigarette production line to produce low-temperature non-combustible cigarettes, and the existing production line is not required to be modified. When the cigarette filter tip section is used, at least part of the cigarette filter tip section is exposed from the shell 1, a smoker can directly hold the filter tip for sucking during sucking, a sucking component is not required to be arranged in a smoking set independently, the cost of the smoking set is reduced, the filter tip is replaced along with the cigarette after the cigarette is sucked, different smokers can use the same smoking set for sucking, and the smoking set is high in adaptability.
In this embodiment, the heating element 2 is a heating tube, the heating tube can slide along the axial direction relative to the housing 1, and the inner cavity of the heating tube forms a heating chamber for inserting cigarettes. The heating tube can adopt various heating tubes with electric heating function in the prior art, for example, in the embodiment, the heating tube consists of a metal heat-conducting tube and a thick film resistor paste layer printed on the peripheral wall of the metal heat-conducting tube, the thick film resistor paste layer is provided with an anode electrode and a cathode electrode which are electrically connected with a control board, the metal heat-conducting tube and the thick film resistor paste layer are provided with insulating layers, and after the metal heat-conducting tube is electrified, heat generated by the thick film resistor paste layer is transferred into a metal heat-conducting tube cavity to heat a fuming material.
Referring to fig. 2,3 and 8, in the present embodiment, a cleaning plug 9 is provided at the bottom end of the heating tube (the end of the heating tube opposite to the cigarette insertion opening) to deposit residues such as tobacco tar generated after heating the cigarette thereon. Specifically to this embodiment, there is a heating element support 8 fixedly mounted at the bottom end of the heating tube, a mounting through hole 10 coaxial with the heating tube is provided on the heating element support 8, and a cleaning plug 9 is mounted in the mounting through hole 10 in a matching manner to plug the bottom end of the heating tube. After the cigarettes are inserted into the heating tube from the cigarette insertion opening 3, residues such as tar and the like generated by heating the cigarettes are deposited on the cleaning plug 9 under the action of gravity. The shell 1 is also fixedly provided with a support 11, the control board 5 is fixed in the shell 1 through the support 11, the support 11 is fixedly provided with a push rod 12, the push rod 12 is arranged at one end of the heating body support 8 far away from the heating tube and is opposite to the installation through hole 10, the shell 1 is provided with a trigger piece 13 fixedly connected with the heating tube, when the heating tube needs to be cleaned, a user presses the trigger piece 13 to drive the heating tube to move in the shell 1, the push rod 12 makes relative movement towards the installation through hole 10 to push the cleaning plug 9 out of the installation through hole 1 so as to enable the cleaning plug to be separated from the shell 1, after the trigger piece is released, the heating tube is reset under the action of a reset piece 14, and any reset piece with a reset function in the prior art, such as an elastic reset piece, can be adopted. Preferably, the elastic reset piece 14 is a reset spring, one end of which is fixedly connected with the bracket 11, and the other end of which is fixedly connected with the heating element bracket 8, and the reset spring is sleeved on the ejector rod. It is conceivable that the elastic restoring member may be made of rubber or other material and has an elastic restoring function.
Referring to fig. 6 and 7, when the smoking set needs to be cleaned, the side wall of the heating tube is cleaned conventionally through the hairbrush, substances which are difficult to clean and are generated by long-term use of the smoking set are only remained on the cleaning plug 9 which is contacted with the tail end of the cigarette, the cleaning plug 9 is separated from the smoking set through the ejector rod 12, the cleaning plug 9 is cleaned or replaced, the heating tube can be cleaned thoroughly, accumulation of residues such as tobacco tar and the like during long-term use is avoided, and the existing smoking set is not required to be improved greatly. It is conceivable that a concave deposition chamber may be provided on the end face of the cleaning plug 9 facing the cigarette, in which deposition chamber residues of cut tobacco, tar etc. from the cigarette fall off, are deposited, so that these residues can be prevented from falling into or flowing to the rest of the smoking article. In this embodiment, the cleaning plug 9 and the heating body support 8 are made of high temperature resistant materials to withstand the heat generated by the heating tube and not generate harmful volatile substances, such as high temperature resistant silica gel.
Referring to fig. 2 and 3, in another embodiment, the size of the cleaning plug 9 is slightly smaller than the aperture of the heating tube and the cigarette plug socket 3, so that the cleaning plug 9 is free in the heating tube 2 after being separated from the mounting through hole 10, and can slide out of the cigarette plug socket 3 of the smoking set freely. By means of the structural design, the sliding distance of the heating tube can be designed to be very small (only the length of the interference fit section of the cleaning plug 9 and the mounting through hole 10 is required to be larger), and the whole smoking set structure is very compact. The cleaning plug 9 can be made into various shapes, such as T-shaped cross section, and during installation, only the cleaning plug 9 is required to be plugged into the heating tube from the cigarette jack 3, and the cleaning plug is vertically Duan Guoying to be clamped in the installation through hole 10 for fixation, so that the installation and the replacement are very convenient. It is conceivable that the fixation of the cleaning plug in the mounting through hole 10 can also be achieved by means of electromagnetic attraction or snap-fitting or the like. In addition, in order to prevent smoke from passing through the gap between the cleaning plug 9 and the installation through hole 10, the vertical section of the cleaning plug 9 is in sealing interference connection with the installation through hole 10 through a sealing ring 19, and the sealing ring 19 can be pulled out together with the cleaning plug 9 from the installation through hole 10.
Referring to fig. 2 and 3, in another embodiment, an upper cover fixing member 15 is fixedly installed at the top of the shell, a top through hole is formed in the upper cover fixing member 15, a trigger member 13 is a guide sleeve which is slidably installed in the top through hole in a matching manner, an annular silica gel sleeve 17 is fixedly installed at the bottom end of the guide sleeve, the top end of the heating tube is fixedly inserted into an inner cavity of the annular silica gel sleeve 17, a positioning shaft shoulder 18 is arranged on the peripheral wall of the guide sleeve, the inner cavity of the guide sleeve becomes a cigarette inserting opening 3, and cigarettes sequentially pass through the guide sleeve and the annular silica gel sleeve 17 and enter the heating tube. When the heating tube is in a reset state, the guide sleeve is abutted with the inner wall of the shell 1 through the positioning shaft shoulder 18 under the action of the restoring force provided by the reset spring, and the restoring force provided by the elastic reset piece enables the heating tube to be suspended and fixed in the shell 1, the restoring force of the elastic reset piece is satisfied, and the heating tube can not move or move very little relative to the shell in the process of inserting the heating tube and sucking cigarettes, so that the cleaning plug 9 is prevented from being ejected out of the mounting through hole 10. In this embodiment, the guide sleeve is made of a high temperature resistant material, so as to withstand the heat generated by the heating tube and not generate harmful volatile substances, such as high temperature resistant silica gel.
Referring to fig. 3 to 5, in another embodiment, a heat insulator is provided between the heat pipe and the housing 1, in conjunction with (moving with) the heat pipe. In this embodiment, the heat insulating member is a sleeve fastened and fixed between the heating element support 8 and the guide sleeve 16, the bottom end of the sleeve is in sealing connection with the heating element support 8 through the silica gel sealing member 16, a heat insulating cavity 20 is formed in a side peripheral wall of the sleeve, an aerogel layer (not shown in the figure) is formed on at least one side wall of the heat insulating cavity 20, and when heat generated by the heating tube is diffused to the shell 1 through the sleeve and passes through the aerogel layer, the aerogel has excellent heat insulating performance, so that the heat can be effectively prevented from diffusing to the shell 1, and the hand scalding caused by overhigh temperature of the shell is prevented. A gap is reserved between the heating tube and the sleeve to form a first air passage 21, an air inlet (not shown in the figure) is arranged on the shell 1, a second air passage (not shown in the figure, air inlet by using a fit gap can be adopted) is arranged between the heating body bracket 8 and the heating tube, and air flows sequentially enter the heating tube through the air inlet, the first air passage 21 and the second air passage and flow out from the top of the cigarette. Specifically, the sleeve is composed of an outer tube 22 and an inner tube 23 sleeved in the outer tube 22, and plugs 24 arranged between the outer tube 22 and two ends of the inner tube 23. The guide sleeve is pressed by fingers, the guide sleeve axially slides along the through hole at the top under the action force of pressing, the parts above the reset spring (the guide sleeve, the annular silica gel sleeve 17, the sleeve, the heating tube and the heating body support) move downwards, the reset spring is fixed on the support, the support is in a fixed state (static), when the sleeve is pressed downwards, the ejector rod on the static support can prop against the cleaning plug, so that the cleaning plug is separated from the heating body support, the cleaning plug can be taken out (or tilted/inverted) at the moment to clean up, and after the guide sleeve is loosened, the parts above the reset spring (the guide sleeve, the annular silica gel sleeve 17, the sleeve, the heating tube and the heating body support) move upwards until the guide sleeve is propped against the shell to be positioned.
Referring to fig. 2 and 3, in another embodiment, an annular guide ring 25 is provided on the inner side wall of the housing 1, and a sleeve is slidably disposed in the annular guide ring 25 in a matching manner, the axis of the annular guide ring 25 coincides with the axis of the housing top through hole, and the heating tube is guided by the annular guide ring 25 and the housing top through hole, so as to prevent the heating tube from shifting in the moving process. The shell 1 comprises a left half shell 1-1 and a right half shell 1-2 which are mutually buckled and fixed through buckling positions, and an upper cover fixing piece 15, an energy source 4 and a bracket 11 are clamped and fixed in the shell 1 after the left half shell 1-1 and the right half shell 1-2 are buckled. The upper cover fixing piece 15, the energy source 4, the bracket 11 and the like are installed in the shell 1 in a clamping manner, so that the replacement and the installation are very convenient.
The above examples are only illustrative of the invention and are not intended to be limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Nor is it necessary or impossible to exhaust all embodiments herein. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.