CN210630653U

CN210630653U - Electric heating device with bottom air inlet

Info

Publication number: CN210630653U
Application number: CN201921011648.3U
Authority: CN
Inventors: 刘义波; 李峰; 胡静; 肖瑜; 吴桂周; 何艳明; 李凌
Original assignee: China Tobacco Guangdong Industrial Co Ltd
Current assignee: China Tobacco Guangdong Industrial Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-29
Anticipated expiration: 2029-06-28

Abstract

The utility model relates to a tobacco products's electrical heating field, more specifically relates to an electric heater unit that bottom was admitted air. The electric heating device comprises a shell and a base, wherein the base is provided with a base, and a heating body for heating tobacco products is arranged on the base; the base and the heating body are both wrapped in the shell, and an air inlet gap is reserved between the base and the shell; one end of the shell close to the base is provided with a plurality of first air inlets, the first air inlets are communicated with the air inlet gap, air enters the heating cavity from the bottom, the air flow path is short, and the resistance is greatly reduced. In addition, a gas path piece for air inlet is arranged between the shell and the base, the gas path piece is provided with a second air inlet hole, the size of the air inlet hole is changed by rotating the gas path piece, and the entering amount of cold air is controlled, so that the smoking quality of the cigarettes is better, and the cigarettes are more flexible.

Description

Electric heating device with bottom air inlet

Technical Field

The utility model relates to a tobacco products's electrical heating field, more specifically relates to an electric heater unit that bottom was admitted air.

Background

The traditional cigarette mostly adopts open fire, the safety is low, and the fire is easy to cause. Different from the traditional violent combustion smoking mode of lighting cigarettes with open fire, the smoking mode of baking the cigarettes by adopting the non-combustible electric heating device avoids the process of releasing harmful ingredients by pyrolysis due to the fact that the cigarettes are not combusted with the open fire, and the generation of harmful substances in the smoke is greatly lower than that of the traditional cigarettes after combustion. The air intake and the air intake pattern have a great influence on the quality of the smoking when the tobacco product is heated.

The design of the gas circuit of the current electric heating device mainly has two types: firstly, air enters through a gap formed between the cigarette and the heating cavity, smoke is released and sucked out through the cigarette, the bad part of the mode is that the cigarette is loosened in the heating cavity, cold air cannot enter the heating cavity to be controlled, the suction quality is affected, and the risk of igniting the cigarette is also caused; secondly, the gas circuit is designed between the inner wall and the outer wall of the heating cavity, the air is supplemented to enter the bottom of the cavity through the space between the inner wall and the outer wall on one side close to the mouth end, and then enters the cigarette through the end part of the cut tobacco, the path is long at the bad part, the structure is complex, the structural design easily causes the cleaning trouble, and the user experience is not good. Moreover, the air intake methods adopted at present lack the function of controlling the air intake amount, and have no controllability and flexibility. Therefore, the air intake mode of the electric heating device still needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art at least a defect, provide an electric heater unit that bottom was admitted air, the electric heater unit bottom is located to the gas circuit, and air flow path is short, and air mass flow is sufficient, has the function of air conditioning admission volume moreover.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an electric heating device with bottom air inlet comprises a shell and a base, wherein the base is provided with a base, and a heating body for heating tobacco products is arranged on the base; the base and the heating body are both wrapped in the shell, and an air inlet gap is reserved between the base and the shell; one end of the shell close to the base is provided with a plurality of first air inlets which are communicated with the air inlet gap. The shell is a hollow cylinder. When the cigarette heating device is used, a cigarette extends into the heating cavity of the shell from the top and is abutted to the base, the heating body is inserted into the cigarette from the lower part, air flows in from the first air inlet hole at the bottom of the shell during heating and then enters the air inlet gap to heat the cigarette, and finally the smoke is released and sucked out through the cigarette.

As one preferable scheme, an air path piece for air intake is further arranged between the shell and the base, and the centers of the air path piece, the shell and the base are located on the same axis; the gas circuit piece is provided with a second gas inlet hole, and the center of the second gas inlet hole and the center of the first gas inlet hole are located on the same horizontal line. The first air intake hole communicates with the second air intake hole, and air flows into the air intake gap from the second air intake hole.

As one preferable scheme, the air channel piece is of an annular structure, and the air channel piece is sleeved on the base and can rotate around the central axis. The air path piece can rotate, and when the second air inlet hole is not communicated with the first air inlet hole, the air path is closed.

As a preferred scheme, the first air inlet holes are uniformly and symmetrically distributed around the central point, the first air inlet holes with the same diameter are the same group of first air inlet holes, the same group of first air inlet holes have the same aperture size, and the inter-group first air inlet holes have different aperture sizes; the second air inlet holes are positioned at the same diameter and are symmetrically distributed; the aperture of the first air inlet hole is not larger than that of the second air inlet hole. The air path piece is rotated to enable the second air inlet hole to be communicated with the first air inlet holes with different aperture sizes, so that the air inlet amount is controlled.

As one preferable scheme, the first air inlet holes are positioned at the same diameter and are symmetrically distributed; the second air inlet holes are uniformly and symmetrically distributed around the central point, the second air inlet holes with the same diameter are the same group of second air inlet holes, the aperture sizes of the same group of second air inlet holes are the same, and the aperture sizes of the inter-group second air inlet holes are different; the aperture of the second air inlet hole is not larger than that of the first air inlet hole. The air path piece is rotated to connect the second air inlet holes with different apertures with the first air inlet hole, thereby controlling the air inlet amount.

As one of the preferable schemes, the air path piece comprises a rotating table, a side wall and a clearance table, the rotating table, the side wall and the clearance table are integrally formed, the second air inlet hole is formed in the side wall, and the height of the clearance table is lower than that of the second air inlet hole. The rotating table is screwed, the air channel piece is rotated, the second air inlet hole on the control side wall is communicated with the first air inlet hole, and air is controlled to enter.

As a preferable scheme, the outer wall of the rotating table is provided with a concave-convex layer for increasing friction force. In order to facilitate screwing the air channel piece, the outer wall of the rotating table is covered with a concave-convex layer.

Preferably, the inner diameter of the side wall is equal to the inner diameter of the shell. The inner diameter of the side wall is equal to that of the shell, and the two sections of air inlet gaps are equal.

As a preferred scheme, the height of the base is greater than that of the air channel piece. In order to avoid the cigarette from blocking the second air inlet hole, the height of the base is larger than that of the air channel piece, and the cigarette is ensured to be positioned above the second air inlet hole.

Preferably, the base is detachably connected to the base.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an electric heater unit that bottom was admitted air, air follow bottom entering heating intracavity, and air flow path is short, and the resistance reduces greatly. Moreover, the electric heating device has the function of controlling the air inlet amount, the size of the air inlet hole is changed by rotating the air path piece, and the cold air inlet amount is controlled, so that the smoking quality of cigarettes is better, and the cigarette smoking device is more flexible.

Drawings

FIG. 1 is a structural sectional view of embodiment 1.

FIG. 2 is a structural sectional view of embodiment 2.

FIG. 3 is a structural sectional view of embodiment 3.

Fig. 4 is a schematic view of the overall structure of the air channel member.

Fig. 5 is an exploded view of the structure of example 3.

Fig. 6 is an exploded view of the structure of example 4.

The cigarette making machine comprises a shell 1, a base 2, a base 3, a heating body 4, an air inlet gap 5, a first air inlet hole 6, an air channel piece 7, a second air inlet hole 8, a rotating table 71, a side wall 72, a gap table 73 and a cigarette 9.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1, the present embodiment provides an electric heating apparatus with bottom air intake, which includes a housing 1 and a base 2, wherein the housing 1 is a hollow cylinder, the base 2 is provided with a base 3, and the base 3 are detachable from each other. Wherein, the base 3 is provided with a heating body 4 for heating tobacco products, and the top end of the heating body 4 is conical so as to extend into a cigarette 9. Meanwhile, the base 3 and the heating body 4 are both wrapped in the heating cavity of the shell 1, an air inlet gap 5 is reserved between the base 3 and the shell, and air flows into the heating cavity through the air inlet gap 5.

In addition, one end of the shell close to the base 2 is provided with a plurality of first air inlet holes 6, and the first air inlet holes 6 are horizontally arranged and communicated with the air inlet gap 5. When in use, a cigarette 9 extends into the heating cavity from the top of the shell and is abutted on the base 3, and the heating body 4 is inserted into the cigarette 9 from the lower part so as to be heated. During heating, air flows in from a first air inlet hole 6 at the bottom of the shell, passes through the air inlet gap 5, enters the heating cavity of the shell, is supplied to the cigarettes 9 for heating, and finally, smoke is released and sucked out through the cigarettes 9. The embodiment adopts a mode of air inlet from the bottom, shortens the path of air entering the electric heating device and reduces the resistance.

Example 2

As shown in fig. 2, the present embodiment also provides an electric heating device with bottom intake, and the structural principle is similar to that of embodiment 1, except that the present embodiment further includes an air channel member 7 for intake.

The embodiment comprises a shell 1, a base 2 and an air path piece 7, wherein the centers of the air path piece 7, the shell 1 and the base 2 are positioned on the same axis. Casing 1 is hollow cylinder, and base 2 is equipped with base 3, can dismantle between base and the base 3. Meanwhile, a heating body 4 for heating tobacco products is arranged on the base 3, and the top end of the heating body 4 is conical so as to extend into a cigarette 9. Base 3 and heating member 4 all wrap up in the heating chamber of casing 1, leave air intake gap 5 between base 3 and the casing, and the air flows into the heating chamber through air intake gap 5. In addition, one end of the shell close to the base 2 is provided with two first air inlet holes 6, and the first air inlet holes 6 are horizontally arranged and are symmetrically distributed on the same diameter.

As shown in fig. 4, the air path member 7 is of an annular structure, the air path member 7 is disposed between the housing 1 and the base 2, and the air path member 7 is sleeved on the base 3 and can rotate around the central axis. Specifically, the air channel member 7 includes a rotating table 71, a side wall 72 and a gap table 73, the rotating table 71, the side wall 72 and the gap table 73 are integrally formed, the inner diameter of the side wall 72 is equal to the inner diameter of the housing, and the two sections of the intake gaps 5 are equal.

Wherein, the side wall 72 of the air path piece 7 is provided with second air inlet holes 8, the second air inlet holes 8 are positioned on the same diameter and are symmetrically distributed, and the centers of the second air inlet holes 8 and the first air inlet holes 6 are positioned on the same horizontal line. The air passage member 7 is rotated, and the second air intake holes 8 in the side wall 72 communicate with the first air intake holes 6. Specifically, the outer wall of the rotating table 71 is provided with a concave-convex layer for increasing friction force, so that the air channel piece 7 is convenient to screw. Specifically, to avoid the air intake holes from being clogged, the height of the clearance table 73 is lower than the height of the second air intake holes 8. Meanwhile, in order to avoid the cigarette 9 from blocking the second air inlet hole 8, the height of the base 3 is larger than that of the air channel piece 7, and the cigarette 9 is ensured to be positioned above the second air inlet hole 8.

When in use, the first air inlet hole 6 is communicated with the second air inlet hole 8. During heating, air flows in from the first air inlet hole 6 at the bottom of the shell, enters the air inlet gap 5 through the second air inlet hole 8, finally enters the heating cavity of the shell through the air inlet gap 5 and is heated by the cigarette 9. In the embodiment, the communication state of the second air inlet hole 8 and the first air inlet hole 6 is controlled by rotating the air path piece 7, and when the second air inlet hole 8 is completely communicated with the first air inlet hole 6, the air inlet amount is maximum; when the second air inlet holes 8 are partially communicated with the first air inlet holes 6, the air inlet amount is controlled to be increased or decreased; when the second air inlet hole 8 is not communicated with the first air inlet hole 6, air is blocked from entering, and the air entering amount is zero.

Example 3

As shown in fig. 3, the present embodiment provides an electric heating device with bottom air intake, the structure principle is similar to that of embodiment 2, and is based on embodiment 2, and the improvement is that, in the present embodiment, one end of the housing close to the base 2 is provided with a plurality of sets of first air intake holes 6 with different aperture sizes.

Specifically, as shown in fig. 5, the first air inlet holes 6 are uniformly and symmetrically distributed around the central point, wherein the first air inlet holes 6 located in the same diameter are the same group of first air inlet holes 6, the same group of first air inlet holes 6 have the same aperture size, and the aperture sizes of the first air inlet holes 6 between the groups are different. This embodiment includes three different first inlet port 6 of group aperture size, and the aperture of first inlet port 6 is not more than the aperture of second inlet port 8.

According to the requirement of the air inlet amount, the air path piece 7 is rotated to enable the second air inlet holes 8 to be communicated with the first air inlet holes 6 with different aperture sizes, so that the air inlet amount is controlled.

Example 4

As shown in fig. 6, the present embodiment provides an electric heating device with bottom air intake, the structure principle is similar to that of embodiment 2, and is based on embodiment 2, and the improvement is that, in the present embodiment, a plurality of sets of second air intake holes 8 with different aperture sizes are arranged on a side wall 72 of an air path piece 7.

Specifically, the second air inlets 8 are uniformly and symmetrically distributed around the central point, wherein the second air inlets 8 with the same diameter are the same group of second air inlets 8, the aperture sizes of the same group of second air inlets 8 are the same, and the aperture sizes of the group of second air inlets 8 are different. The embodiment comprises three groups of second air inlet holes 8 with different hole diameters, and the hole diameter of each second air inlet hole 8 is not larger than that of the corresponding first air inlet hole 6.

According to the requirement of the air inlet amount, the air path piece 7 is rotated to connect the second air inlet holes 8 with different aperture sizes with the first air inlet hole 6, thereby controlling the air inlet amount.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An electric heater unit that bottom was admitted air which characterized in that: the tobacco shred cutting machine comprises a shell (1) and a base (2), wherein the base (2) is provided with a base (3), and a heating body (4) for heating tobacco products is arranged on the base (3); the base (3) and the heating body (4) are both wrapped in the shell (1), and an air inlet gap (5) is reserved between the base (3) and the shell; one end of the shell close to the base (2) is provided with a plurality of first air inlets (6), and the first air inlets (6) are communicated with the air inlet gap (5).

2. A bottom-inlet air electric heater as claimed in claim 1, wherein: an air path piece (7) for air intake is further arranged between the shell (1) and the base (2), and the centers of the air path piece (7), the shell (1) and the base (2) are located on the same axis; the air path piece (7) is provided with a second air inlet hole (8), and the center of the second air inlet hole (8) and the center of the first air inlet hole (6) are located on the same horizontal line.

3. A bottom-inlet air electric heater as claimed in claim 2, wherein: the gas circuit piece (7) is of an annular structure, and the gas circuit piece (7) is sleeved on the base (3) and can rotate around the central axis.

4. A bottom-inlet air electric heater as claimed in claim 3, wherein: the first air inlets (6) are uniformly and symmetrically distributed around the central point, the first air inlets (6) with the same diameter are the same group of first air inlets (6), the first air inlets (6) in the same group have the same aperture size, and the first air inlets (6) in groups have different aperture sizes; the second air inlet holes (8) are positioned at the same diameter and are symmetrically distributed; the aperture of the first air inlet hole (6) is not larger than that of the second air inlet hole (8).

5. A bottom-inlet air electric heater as claimed in claim 3, wherein: the first air inlet holes (6) are positioned at the same diameter and are symmetrically distributed; the second air inlet holes (8) are uniformly and symmetrically distributed around the central point, the second air inlet holes (8) with the same diameter are the same group of second air inlet holes (8), the pore sizes of the same group of second air inlet holes (8) are the same, and the pore sizes of the inter-group second air inlet holes (8) are different; the aperture of the second air inlet hole (8) is not larger than that of the first air inlet hole (6).

6. A bottom-inlet air electric heater as claimed in claim 3, wherein: the air channel piece (7) comprises a rotating table (71), a side wall (72) and a clearance table (73), the rotating table (71), the side wall (72) and the clearance table (73) are integrally formed, the second air inlet holes (8) are formed in the side wall (72), and the height of the clearance table (73) is lower than that of the second air inlet holes (8).

7. The bottom-feed electric heating apparatus as set forth in claim 6, wherein: the outer wall of the rotating table (71) is provided with a concave-convex layer for increasing friction force.

8. The bottom-feed electric heating apparatus as set forth in claim 6, wherein: the sidewall (72) has an inner diameter equal to the inner diameter of the housing.

9. A bottom-inlet air electric heater as claimed in claim 2, wherein: the height of the base (3) is greater than that of the air channel piece (7).

10. A bottom-inlet air electric heater as claimed in claim 1, wherein: the base (2) is detachably connected with the base (3).