WO2021135243A1

WO2021135243A1 - Low-temperature tobacco device having polygonal heating cavity with air intake structure

Info

Publication number: WO2021135243A1
Application number: PCT/CN2020/108595
Authority: WO
Inventors: 刘建福; 钟科军; 郭小义; 尹新强; 易建华; 曾维林
Original assignee: 湖南中烟工业有限责任公司
Priority date: 2020-01-03
Filing date: 2020-08-12
Publication date: 2021-07-08
Also published as: CN211910533U

Abstract

Disclosed is a low-temperature tobacco device having a polygonal heating cavity with an air intake structure. The tobacco device comprises a housing (1), wherein a heating cavity (7) allowing a tobacco product (6) to be inserted therein is provided in the housing (1), and the cross-section of the heating cavity (7) is polygonal; and a circle where the contour line of the cross-section of the tobacco product (6) inserted into the heating cavity (7) is located is internally tangent to the polygon, so that a plurality of air intake channels (9) are formed between the heating cavity (7) and the tobacco product (6). The heating cavity (7) of the tobacco device is polygonal, and edges of the heating cavity respectively intersect to form corners. After the tobacco product (6) is inserted into the heating cavity (7), an air flow can enter through the corners. All the circumferential corners are the air intake channels (9), the air intake channels (9) are evenly distributed on the periphery of the tobacco product (6), and the air flow can smoothly enter the tobacco product (6) during use.

Description

Low-temperature smoking set with heating cavity with polygonal air intake structure

Technical field

The invention belongs to the technical field of smoking articles, and particularly relates to a low-temperature smoking article with a heating cavity with a polygonal air intake structure.

Background technique

The current e-cigarettes on the market mainly include two types, such as e-cigarettes that form smokeable mists by evaporating e-liquid and low-temperature smokes that form smokeable mists by heating/distilling tobacco materials at a low temperature (150-300 degrees). Compared with burning cigarettes, e-cigarettes and low-temperature cigarettes have a lower working temperature, and the harmful components in the smoke produced by the e-liquid or low-temperature cigarettes used are far less than traditional burning cigarettes. Therefore, use e-cigarettes or Low-temperature smoke can greatly avoid the adverse effects of cigarettes on the human body. With the widespread use of low-temperature smoke in overseas markets, low-temperature smoking sets have attracted much attention from consumers. Different smoking sets have different experience effects. Through continuous market exploration, smoking sets continue to innovate, and customers' acceptance of low-temperature smoke is also increasing.

Chinese patents 2017206386809, 2018205939467, 2018205939467, etc. disclose a low-temperature smoking set with side air intake. By providing a side air inlet channel between the heating cavity and the shell, the air inlet channel is connected to the bottom of the heating cavity, so as to reduce heat exchange. The purpose of the casing temperature, but according to customer feedback, the smoking set of the above patent has problems such as unsmooth airflow and exhaustion of smoking.

technical problem

This application aims to solve at least one of the technical problems existing in the prior art. To this end, one of the objectives of the present invention is to provide a low-temperature smoking appliance with a heating cavity with a polygonal air intake structure, so as to solve the problems of unsmooth air flow and exhausting smoking in the prior art.

Technical solutions

In order to solve the above technical problems, this application adopts the following technical solutions.

A low-temperature smoking set with a heating cavity with a polygonal air intake structure includes a shell in which is formed a heating cavity for inserting tobacco products, the cross section of the heating cavity is polygonal, and the tobacco product inserted into the heating cavity The circle in which the contour line of the cross section is located is inscribed in the polygon, so that a plurality of air intake passages are formed between the heating cavity and the tobacco product.

Further, the heating cavity has opposite first and second ends; wherein, the first end is the tobacco product insertion end, and the second end is the closed end.

Further, a plurality of air intake passages are formed between the heating cavity and the tobacco product, and the closed end is provided with a groove connecting the air intake passage and the tobacco product.

Further, the tobacco product is a low-temperature cigarette.

Further, the polygon is a regular polygon.

Further, the housing is also provided with a heating element for heating the tobacco products in the heating cavity.

Further, a pressing member and an elastic element are also provided in the housing.

The pressing member can drive the heating body to move along the tobacco product insertion direction relative to the heating cavity.

The elastic element is connected between the pressing piece and the housing, so that when the pressing piece is released, the pressing piece and the heating element are driven to reset.

Further, the second end is provided with a through hole for the heating end of the heating element to pass through.

Further, the pressing member is a pressing sleeve that is slidably sleeved outside the heating chamber and connected to the mounting seat of the heating element.

Further, the housing includes a lower shell and a cigarette insertion tube installed on the top of the lower shell, the inner cavity of the cigarette insertion tube constitutes the heating cavity, and the pressing sleeve is slidably sleeved on the cigarette insertion tube outer.

Further, the bottom end of the smoking pipe is closed by a guide sleeve fixedly connected to the lower shell.

The guide sleeve is provided with a guide groove parallel to the insertion direction of the tobacco product, and the mounting seat is installed in the guide sleeve and has a guide block that matches through the guide groove and is connected to the pressing sleeve.

Beneficial effect

Compared with the prior art, the present invention has the beneficial effects.

1. The heating cavity is polygonal, and each side intersects to form edges and corners. When tobacco products are inserted into the heating cavity, the airflow can enter through the edges and corners. Therefore, the edges and corners of the circumference are all air intake channels, which are evenly distributed around the tobacco products. When the airflow can enter the tobacco products smoothly.

2. One end of the heating cavity is closed, and the air inlet channel is directly arranged in the heating cavity. The condensate formed during the heating process of the tobacco products and the fallen tobacco will be concentrated in the heating cavity, and will not flow to other parts of the smoking set. The smoking set is easy to clean. .

3. After smoking cigarettes and other tobacco products, press the pressing member to drive the heating element to move along the insertion direction of the cigarette to separate the heating element from the tobacco product. At this time, pull out the tobacco product, loosen the pressing member, and press the elastic element. By resetting the parts and heating element, the problem of tobacco sticking can be solved, and the operation is very convenient.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention.

Figure 2 is an axonometric view of the present invention.

Figure 3 is a top view of the present invention.

Figure 4 is an exploded view of the present invention.

Fig. 5 is an enlarged view of A in Fig. 4.

Fig. 6 is a schematic cross-sectional view in the direction of A-A in Fig. 4.

Fig. 7 is an enlarged view of B in Fig. 6.

The best mode of the present invention

Type here a paragraph describing the best mode of the present invention.

Embodiments of the present invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Refer to Figures 1 to 4, including a housing 1 and a heating element 2, a battery 3 and a PCB board 3 arranged in the housing 1. The battery 3 is connected to the PCB board 3, and the PCB board 3 is connected to the heating element 2 to form a heating For the control circuit, a button 5 is also provided on the side of the housing 1. By pressing the button 5, the heating control circuit can be controlled on and off, and the heating element 2 can be controlled on and off.

The battery 3 can be a battery such as a nickel-hydrogen battery or a lithium-ion battery. When a rechargeable battery is used, a charging port needs to be provided on the housing, and a vibration motor 4 can also be provided in the housing to prompt charging information.

1 and 2, a heating cavity 7 for inserting tobacco products 6 is formed on the top of the housing 1 of the low-temperature smoking device of this embodiment. Wherein, the tobacco product 6 may be a structure made of smoking materials such as low-temperature cigarettes or pods, and this embodiment uses low-temperature cigarettes for exemplification.

The open end at the top of the heating cavity 7 is the end for inserting tobacco products, that is, the end for inserting cigarettes; the bottom is the closed end, and the closed end is formed with a hole for the heating element 2 to be inserted, and the heating element 2 is installed through the mounting seat 8. It is located at the bottom of the heating cavity 7 in the housing 1 and the heating end extends through the perforation into the heating cavity 7. When a cigarette is inserted into the heating cavity 7, the filter end of the cigarette is exposed to the outside of the housing 1 for the user Hold it for smoking, and it is also convenient to pull out the cigarette. In the process of inserting the cigarette, the heating end of the heating element 2 will be inserted into the cigarette correspondingly, and then the smoking material in the cigarette is heated to produce smoke for the user to inhale. The airflow flows from the heating chamber 7 to the smoke. The side of the cigarette enters, and the smoke generated by heating the smoking material through the bottom of the cigarette is brought from the filter tip end of the cigarette to the user's mouth.

In the smoking apparatus of the above embodiment, the heating cavity 7 is closed at one end, and the air inlet channel 9 is directly arranged in the heating cavity 7. The condensate formed during the heating process of the tobacco product 6 and the dropped tobacco will be concentrated in the heating cavity 7 without It flows to other parts of the smoking set, and the smoking set is easy to clean.

Referring to Figures 5 to 7, in this embodiment, the cross section of the heating cavity 7 is a polygon, and the circle where the contour line of the cross section of the tobacco product 6 inserted into the heating cavity 7 is cut into the polygon, so that the heating cavity and the tobacco product A plurality of intake passages 9 are formed between. When the cigarette is inserted into the heating cavity 7, the outer diameter of the cigarette is tangent to the middle of the polygonal edge, and each side of the heating cavity 7 intersects to form an edge. The airflow can enter through the edge, so the surrounding edges and corners are all air inlet channels 9. The channels 9 are evenly distributed on the periphery of the cigarette, and the airflow can smoothly enter the cigarette cavity during use.

When the cigarette is inserted into the heating cavity 7, the airflow will enter from all corners of the polygon when smoking, and flow along the side of the cigarette to the bottom. Because the cigarette is inserted into the bottom of the heating cavity 7 and limited by the bone position, the airflow is from the bottom The trough 15 with the bone position overhead enters the bottom plane of the cigarette, so that the airflow can be inhaled smoothly.

It should be explained that, in this embodiment, the polygons preferably adopt regular polygons such as regular hexagons, regular octagons, etc., of course, other polygons with inscribed circles may also be adopted.

1 and 2, it can be understood that, in practical applications, the low-temperature smoking set further includes a pressing member 10 disposed in the housing 1 and capable of driving the heating element 2 to move along the insertion direction of the tobacco product 6 relative to the heating cavity 7 And an elastic element 11 connected between the mounting seat 8 and the housing 1 to drive the pressing member 10 and the heating element 2 to reset when the pressing member 10 is released.

2 and 3, the low-temperature smoking set of this embodiment, after the cigarette is smoked, the pressing member 10 is pressed to drive the heating element 2 to move along the insertion direction of the cigarette, so that the heating element 2 is separated from the cigarette, and the cigarette is pulled out at this time It can effectively prevent the tobacco from sticking to the heating element 2. When the cigarette is pulled out, loosen the pressing member 10, the pressing member 10 and the heating element 2 are reset under the elastic resetting force of the elastic element 11, and the user can restart Inserting new cigarettes for smoking, the whole operation process is very convenient.

It should be noted that the cigarette can be set in a two-stage structure consisting of a tobacco section and a filter section, or it may be set in a two-stage structure consisting of a tobacco section, a condensation section, and a filter section. Because the stick is provided with a condensing section, the temperature of the smoke entering the user's mouth can be effectively reduced, and the smoking taste is better than the two-stage structure cigarette.

1 and 2, in some embodiments, the housing 1 includes a lower housing 101 and a smoking pipe 102 installed on the top of the lower housing 101. The inner cavity of the smoking pipe 102 directly constitutes the heating chamber 7, and the pressing member 10 is a sliding member. The pressing sleeve is sleeved outside the smoking pipe 102, and the bottom end of the pressing sleeve extends into the lower shell 101 and is fixedly connected with the mounting seat 8 in the lower shell 101.

After smoking the cigarette, use one hand to press the pressing sleeve with the big female finger to drive the mounting seat 8 and the heating element 2 to move down, so that the heating element 2 is separated from the cigarette, and the elastic element 11 is compressed, and the cigarette is pulled out at this time. This can effectively solve the problem of tobacco sticking, loosen the big female finger, and the mounting seat 8 drives the pressing sleeve and the heating element 2 to move up and reset under the action of the reset force of the elastic element 11. It is conceivable here that the elastic element 11 can be a coil spring, and of course, a rubber member can also be used.

1, in other embodiments, the bottom end of the heating chamber 7 is closed by a guide sleeve 12 fixedly connected to the lower shell 101, the guide sleeve 12 is provided with a guide groove 13 parallel to the cigarette insertion direction, and the mounting seat 8 is installed The guide sleeve 12 has a guide block 14 that passes through the guide groove 13 and is connected to the pressing sleeve.

1 and 3, this embodiment is provided with a guide sleeve 12 in the lower shell 101, which can then guide the pressing direction of the pressing sleeve, which can effectively prevent the pressing sleeve from jamming during the moving process, causing pressing failure; After the mother finger, the mounting seat 8 drives the pressing sleeve and the heating element 2 to move up and reset under the reset force of the elastic element 11 until the mounting seat 8 contacts the top of the guide sleeve 12, at this time, the heating end of the heating element 2 is inserted into the heating cavity In 7, the user can start the next round of cigarette smoking.

The polygonal smoking pipe 102 is made of aluminum alloy with anodized surface. In order to ensure the verticality of the smoking pipe 102, the smoking pipe 102 and the guide sleeve 12 in the housing 1 are fixed by an integral injection molding process.

The above-mentioned embodiments are merely examples to clearly illustrate the present invention, rather than limiting the implementation manners. For those of ordinary skill in the art, other changes or modifications in different forms can be made on the basis of the above description. It is also unnecessary and impossible to list all the embodiments here. The obvious changes or modifications derived from this are still within the protection scope of the present invention.

Industrial applicability

Type a paragraph describing industrial applicability here.

Sequence Listing Free Content

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Claims

A low-temperature smoking set with a heating cavity with a polygonal air intake structure includes a shell in which is formed a heating cavity for inserting tobacco products. The heating cavity is characterized in that the cross section of the heating cavity is polygonal, and the heating cavity is inserted into all parts of the heating cavity. The circle where the contour line of the cross section of the tobacco product is located is inscribed in the polygon, so that a plurality of air inlet channels are formed between the heating cavity and the tobacco product.
The low-temperature smoking device according to claim 1, wherein the heating cavity has a first end and a second end opposite to each other; wherein,

The first end is the tobacco product insertion end, and the second end is the closed end;

The closed end is provided with a groove connecting the air inlet passage and the tobacco product.
The low-temperature smoking appliance according to claim 1, wherein the tobacco product is a low-temperature cigarette.
The low-temperature smoking device according to claim 1, wherein the polygon is a regular polygon.
The low-temperature smoking article according to any one of claims 1 to 4, wherein the housing is further provided with a heating element for heating the tobacco products in the heating cavity.
The low-temperature smoking set according to claim 5, characterized in that: the casing is further provided with a pressing member and an elastic element;

The pressing member can drive the heating body to move along the insertion direction of the tobacco product relative to the heating cavity;

The elastic element is connected between the pressing piece and the housing, so that when the pressing piece is released, the pressing piece and the heating element are driven to reset.
The low-temperature smoking appliance according to claim 6, wherein the second end is provided with a perforation through which the heating end of the heating body matches.
The low-temperature smoking device according to claim 6, wherein the pressing member is a pressing sleeve that is slidingly sleeved outside the heating chamber and connected to the mounting seat of the heating body.
The low-temperature smoking appliance according to claim 8, wherein the housing includes a lower shell and a smoking pipe installed on the top of the lower housing, and the inner cavity of the smoking pipe constitutes the heating cavity, and The pressing sleeve is slidably sleeved outside the cigarette insertion tube.
The low-temperature smoking appliance according to claim 9, wherein the bottom end of the smoking pipe is closed by a guide sleeve fixedly connected to the lower shell;

The guide sleeve is provided with a guide groove parallel to the insertion direction of the tobacco product, and the mounting seat is installed in the guide sleeve and has a guide block that matches through the guide groove and is connected to the pressing sleeve.