TW202102142A - Heating assembly and flavor inhaler - Google Patents

Abstract

This invention provides a flavor inhaler with novel structure and a heating assembly. The heating assembly includes a heating portion configured to extend in a first direction for heating a flavor-generating article; a heat insulation portion which extends along the first direction and is separated from the heating portion in a second direction orthogonal to the first direction; and a partition wall which is configured to be arranged on at least one of the first end portion and the second end portion of the heating portion and prevents fluid from flowing out from a gap between the heating portion and the heat insulation portion.

Description

Heating assembly and fragrance taster

The invention relates to a heating assembly and a flavor inhaler.

In the prior art, there is known a flavor inhaler that does not burn a substrate containing a flavor source but tastes flavor. Regarding such a flavor inhaler, it is well known that in order to suppress the heat conduction from the heating part to the heat insulation part, the heat insulation part is arrange|positioned separately from the heating part (for example, refer patent document 1).

(Prior technical literature) (Patent Document)

Patent Document 1: International Publication No. 2017/194763

The object of the present invention is to provide a heating assembly and a flavor inhaler with a novel structure.

According to an embodiment of the present invention, a heating assembly is provided. The heating assembly is equipped with: a heating part, which is configured to extend in a first direction to heat the fragrance-generating article; and a heat insulation part, which extends in the first direction and extends in a second direction perpendicular to the first direction. The direction is separated from the heating part; and the partition wall is configured to be arranged at at least one of the first end and the second end of the heating part and prevent fluid from flowing out of the gap between the heating part and the heat insulating part.

According to another embodiment of the present invention, there is provided a fragrance inhaler equipped with the above heating assembly.

3‧‧‧Arrow

10‧‧‧Scent inhaler

11‧‧‧Shell

11A‧‧‧Top case

11B‧‧‧Bottom shell

12‧‧‧Cover

12a‧‧‧Opening

13‧‧‧Switch

14‧‧‧Cover

15‧‧‧First vent

16‧‧‧Cap

17‧‧‧Inner shell

18‧‧‧Second vent

18A‧‧‧Air flow path

20‧‧‧Power Department

21‧‧‧Power

22‧‧‧Terminal

30‧‧‧Circuit Department

31‧‧‧First circuit board

32‧‧‧Second circuit board

33‧‧‧The third circuit board

34‧‧‧The next wall

40‧‧‧Heating device

41‧‧‧Heating assembly

42‧‧‧Heating section

42a‧‧‧First opening

42b‧‧‧Second opening

43‧‧‧Insulation Department

43a‧‧‧Inner tubular member

43b‧‧‧Outside tubular member

43c‧‧‧First ring member

43d‧‧‧Second ring member

44‧‧‧First Wall

44a‧‧‧First protrusion

45‧‧‧Second Wall

46‧‧‧Container (heat conduction member)

46a‧‧‧Bottom wall

46b‧‧‧Protrusion

46c‧‧‧First extension

46d‧‧‧Second extension

47‧‧‧Heating element

48‧‧‧Heat shrinkable tube

50‧‧‧Inlet pipe

50a‧‧‧Downstream

50b‧‧‧Upstream

50c‧‧‧Positioning part

60‧‧‧Insert guide member

60a‧‧‧Upstream

60b‧‧‧Opening

71‧‧‧ Rib

72‧‧‧ Ribs

73‧‧‧ Rib

74‧‧‧ Rib

110‧‧‧Scent producing items

110A‧‧‧Base Material Department

110B‧‧‧Suction

111‧‧‧Filling

112‧‧‧The first roll of paper

113‧‧‧The second roll of paper

114‧‧‧Paper Tube Department

115‧‧‧Filter

116‧‧‧Hollow section

Figure 1A is an overall perspective view of the flavor inhaler of the first embodiment.

Fig. 1B is an overall perspective view of the flavor inhaler of Embodiment 1 in which the state of the flavor generating article is maintained.

Figure 2 is a cross-sectional view of the fragrance generating article.

Figure 3 is a cross-sectional view of arrow 3-3 shown in Figure 1A.

Figure 4 is a cross-sectional view of the heating section.

Figure 5 is an enlarged cross-sectional view of the engaging portion of the heating part and the insertion guide member.

Fig. 6 is an enlarged cross-sectional view of the engaging part of the heating part and the inlet pipe.

Fig. 7 is an enlarged cross-sectional view of the engaging part of the heating part and the insertion guide member of the second embodiment.

Fig. 8 is an enlarged cross-sectional view of the engaging part of the heating part and the inlet pipe of the second embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the drawings described below, the same or equivalent constituent elements are all marked with the same symbols, and repeated descriptions are omitted.

Figure 1A is an overall perspective view of the flavor inhaler of the first embodiment. Fig. 1B is an overall perspective view of the flavor inhaler of Embodiment 1 in which the state of the flavor generating article is maintained. The flavor inhaler 10 of this embodiment is configured to heat a flavor generating article 110 having a flavor source containing a mist source to generate a mist containing flavor, for example.

As shown in FIGS. 1A and 1B, the flavor inhaler 10 has a top case 11A, a bottom case 11B, a cover 12, a switch 13, a cover 14, a first vent 15 and a cap 16. The top shell 11A and the bottom shell 11B are connected to each other to form the outermost shell 11 of the flavor inhaler 10. The housing 11 is a size that fits the user's hand. When the user uses the fragrance inhaler 10, the user can hold the fragrance inhaler 10 by hand to inhale the fragrance.

The top case 11A has an opening not shown, and the cover 12 is combined with the top case 11A to close the opening. As shown in FIG. 1B, the cover 12 has an opening 12a into which the fragrance generating article 110 can be inserted. The cover 14 is configured to open and close the opening 12a of the cover 12. Specifically, the cover 14 is configured to be installed on the cover 12 and movable along the surface of the cover 12 between a first position for closing the opening 12a and a second position for opening the opening 12a. Thereby, the cover 14 can allow or restrict the flavour generating article 110 to the inside of the flavour inhaler 10 (the opening 60b of the insertion guide member 60 shown in FIG. 4).

The switch 13 is used to switch the operation of the fragrance inhaler 10 between ON and OFF. For example, the user operates the switch 13 in a state where the fragrance generating article 110 is inserted into the opening 12a as shown in FIG. 1B, so that electric power can be supplied from a power source not shown to a heater not shown. Heating element, and heat the fragrance generating article 110 in a non-combustible manner. When the fragrance generating article 110 is heated, the mist will evaporate from the mist source contained in the fragrance generating article 110, and the fragrance of the fragrance source may be brought into the mist. The user can breathe in the part of the fragrance-generating article 110 protruding from the fragrance inhaler 10 (the part shown in Fig. 1B), and inhale the mist containing the fragrance.

The first vent 15 is a vent for introducing air to the inside of the heating assembly 41 (refer to FIG. 3) housed in the internal space of the housing 11. The cap 16 is configured to be detachable and detachable from the bottom shell 11B. The cap 16 is installed on the bottom shell 11B, and a first vent 15 is formed between the bottom shell 11B and the cap 16. The cap 16 may have, for example, a through hole or a notch not shown. In addition, in this specification, the longitudinal direction (first direction) of the flavor inhaler 10 refers to the direction in which the flavor-generating article 110 is inserted into the opening 12a. In addition, in the flavor inhaler 10 of the present specification, the inflow side (for example, the first vent 15 side) of the fluid such as air is defined as the upstream side, and the outflow side of the fluid (for example, the opening 12a side) is defined as the downstream side. .

Next, the structure of the fragrance generating article 110 used in the fragrance inhaler 10 of this embodiment is demonstrated. FIG. 2 is a cross-sectional view of the fragrance generating article 110. As shown in FIG. In the embodiment shown in FIG. 2, the fragrance generating article 110 has a base material portion 110A and a mouthpiece portion 110B. The base part 110A includes a filler 111 and a first roll paper 112 of the roll filler 111, and the suction port 110B forms an end on the opposite side of the base part 110A. The base part 110A and the suction mouth part 110B are connected by a second roll paper 113 different from the first roll paper 112. However, it is also possible to omit the second roll paper 113 and use the first roll paper 112 to connect the base portion 110A and the suction port portion 110B.

The mouthpiece 110B in FIG. 2 has a paper tube section 114, a filter section 115, and a hollow section 116 arranged between the paper tube section 114 and the filter section 115. The hollow section 116 is composed of, for example, a filled layer having one or more hollow cavities and a cylindrical shape covering the filled layer. The packaging material is composed. The packing density of the fibers in the packing layer is relatively high, so when inhaling, air, mist, etc. only circulate in the hollow cavity and hardly circulate in the packing layer. In the fragrance generating article 110, if it is desired to reduce the reduction of mist components due to the filtering of the filter part 115, shortening the length of the filter part 115 and replacing it with a hollow section 116 will be beneficial to increase the amount of mist delivered. Big.

The mouthpiece 110B in Figure 2 is composed of three sections. However, in this embodiment, the mouthpiece 110B may also be composed of one or two sections, or may be composed of four or more sections. constitute. For example, the hollow section 116 may be omitted, and the paper tube section 114 and the filter section 115 may be arranged adjacent to each other to form the suction port 110B.

In the embodiment shown in FIG. 2, the length in the longitudinal direction of the fragrance generating article 110 is preferably 40 mm to 90 mm, preferably 50 mm to 75 mm, and more preferably 50 mm to 60 mm. The circumference of the fragrance generating article 110 is preferably 15 mm to 25 mm, preferably 17 mm to 24 mm, and more preferably 20 mm to 23 mm. Moreover, the length of the base material portion 110A in the fragrance generating article 110 may be 20mm, the length of the first roll paper 112 may be 20mm, the length of the hollow section 116 may be 8mm, and the length of the filter portion 115 may be 7mm, However, the length of these individual sections can be appropriately changed according to manufacturing adaptability and quality requirements.

In this embodiment, the filling 111 of the fragrance generating article 110 may contain a mist source that is heated at a predetermined temperature to generate mist. The type of mist source is not specifically limited, and extracts from various natural products, constituent components of various natural products, etc. can be selected according to the application. As for the mist source, for example, glycerin, propylene glycol, 1,3-butanediol, and mixtures of these can be mentioned. The content of the mist source in the filler 111 is not specifically limited. Considered from the viewpoint of sufficient mist generation and good flavor imparting, it is usually 5% by mass or more, and preferably 10% by mass or more, or usually 50% by mass Below, preferably 20% by mass or less.

The filler 111 of the flavor generating article 110 in this embodiment may contain tobacco shreds as a flavor source. The material of shredded tobacco is not specifically limited, and well-known ones such as mesophyll and leaf stem can be used. The range of the content of the filler 111 in the fragrance generating article 110: when the circumference is 22 mm and the length is 20 mm, for example, 200 mg to 400 mg, preferably 250 mg to 320 mg. The water content of the filler 111 is, for example, 8% by mass to 18% by mass, preferably 10% by mass to 16% by mass. If the water content is as described above, the occurrence of rolling marks can be suppressed, and the rolling suitability at the time of manufacturing the base portion 110A can be improved. The size of the tobacco shreds used as the filler 111 and the preparation method thereof are not specifically limited. For example, the dried tobacco leaf can be cut to a width of 0.8 mm to 1.2 mm. In addition, it is also possible to pulverize the dried tobacco leaves to have an average particle diameter of about 20 μm to 200 μm and homogenize them for sheet processing, and cut the dried tobacco leaves into pieces with a width of 0.8 mm to 1.2 mm. Furthermore, it is also possible to use as the filler 111 for the above-mentioned sheet-processed one without shredding but with a wrinkle process. In addition, the filler 111 may also contain one or more fragrances. The type of the flavor is not specifically limited, but from the viewpoint of imparting a good flavor, menthol is preferred.

In this embodiment, the basis weight of the first roll paper 112 and the second roll paper 113 of the fragrance generating article 110 is, for example, 20 gsm to 65 gsm, and preferably can be made from 25 gsm to 45 gsm raw paper. The thickness of the first roll paper 112 and the second roll paper 113 is not specifically limited, but considering the rigidity, air permeability, and ease of adjustment during papermaking, it can be 10 μm to 100 μm, preferably 20 μm to 75 μm. 30 μm to 50 μm is preferable.

In this embodiment, the first roll paper 112 and the second roll paper 113 of the fragrance generating article 110 may contain fillers. The content of the filler can be exemplified: 10% to 60% by mass relative to the total weight of the first roll paper 112 and the second roll paper 113, and 15% to 45% by mass good. In this embodiment, relative to the preferred basis weight range (25gsm to 45gsm), the filler is preferably 15% to 45% by mass. As for the filler, for example, calcium carbonate, titanium dioxide, kaolin, etc. can be used. Considering from the viewpoint of using the appearance of the roll paper as the fragrance generating article 110, the paper containing such a filler exhibits a good white-based bright color, and can maintain the white color for a long time. When such a filler is contained in a large amount, for example, the ISO whiteness of the roll paper can be made 83% or more. Furthermore, from the practical viewpoint of using the roll paper as the fragrance generating article 110, the first roll paper 112 and the second roll paper 113 preferably have a tensile strength of 8N/15mm or more. This tensile strength can be improved by reducing the filler content. Specifically, when the content of the filler is reduced from the upper limit of the content of the filler shown in the ranges of the respective basis weights exemplified above, the tensile strength can be improved.

Next, the internal structure of the flavor inhaler 10 shown in FIG. 1A and FIG. 1B will be described. Figure 3 is a cross-sectional view of arrow 3-3 shown in Figure 1A. As shown in FIG. 3, the flavor inhaler 10 is provided with a power supply unit 20, a circuit unit 30, and a heating device 40 in the inner space of the outer casing 11 and the inner casing 17. As shown in FIG. The top shell 11A and the bottom shell 11B constituting the outer shell 11 surround the inner shell 17 and store the inner shell 17 in the internal space.

The circuit unit 30 has a first circuit board 31, a second circuit board 32, and a third circuit board 33 that are electrically connected to each other. The first circuit board 31 is arranged, for example, as shown in the figure, adjacent to one surface of the rectangular power supply 21 and extending in the longitudinal direction. A partition wall 34 is provided between the first circuit board 31 and the heating device 40 to partition at least a part of the area accommodating the power supply unit 20 and the first circuit board 31. The partition wall 34 may be provided with a notch, a through hole, etc. through which the space on the side of the power supply unit 20 fluidly communicates with the space on the side of the heating device 40.

The second circuit board 32 is disposed inside the top case 11A, between the cover 12 and the power supply unit 20, and extends in a direction orthogonal to the extending direction of the first circuit board 31. switch The system 13 is arranged adjacent to the second circuit board 32. When the user presses the switch 13, a part of the switch 13 can contact the second circuit board 32. The third circuit board 33 is arranged to extend in the longitudinal direction in a space formed on the opposite side of the opening 12a (refer to FIG. 1B) with respect to the heating device 40.

The third circuit board 33 has a main surface on which various electronic components are mounted. For example, the third circuit board 33 may be arranged in the bottom case 11B with its main surface inclined with respect to the longitudinal direction. Thereby, the main surface of the third circuit board 33 can be enlarged, and the space in the bottom case 11B can be effectively used.

The first circuit board 31, the second circuit board 32, and the third circuit board 33 contain, for example, a microprocessor or the like, and can control the power supplied from the power supply unit 20 to the heating device 40. Thereby, the first circuit board 31, the second circuit board 32, and the third circuit board 33 can control the heating of the fragrance generating article 110 by the heating device 40.

The power supply unit 20 has a power supply 21 electrically connected to the first circuit board 31, the second circuit board 32, and the third circuit board 33. The power source 21 may be, for example, a rechargeable battery or a non-rechargeable battery. The power supply 21 is electrically connected to the heating device 40 via at least one of the first circuit board 31, the second circuit board 32, and the third circuit board 33. Thereby, the power supply 21 can supply electric power to the heating device 40 to appropriately heat the fragrance generating article 110. Furthermore, as shown in the figure, the power source 21 and the heating device 40 are arranged side by side. Thereby, even if the size of the power source 21 is enlarged, the length in the longitudinal direction of the flavor inhaler 10 can be suppressed from increasing.

The flavor inhaler 10 has a terminal 22 that can be connected to an external power source. The terminal 22 can be connected to a cable such as a micro USB, for example. When the power source 21 is a rechargeable battery, an external power source is connected to the terminal 22 to allow current to flow from the external power source to the power source 21 to charge the power source 21. and Moreover, when a data transmission cable such as a micro USB is connected to the terminal 22, data related to the operation of the fragrance inhaler 10 can be transmitted to an external device.

As shown in the figure, the heating device 40 includes a heating assembly 41 extending in the longitudinal direction, an inlet pipe 50 having an L-shaped cross-section, and an insertion guide member 60 having a substantially cylindrical shape. The heating assembly 41 is a cylindrical body as a whole and contains a plurality of cylindrical members. The heating assembly 41 is configured to accommodate a part of the fragrance generating article 110 inside, and has a function of defining a flow path for supplying air to the fragrance generating article 110 and a function of heating the fragrance generating article 110 from the outer periphery. The inlet pipe 50 is formed of, for example, a resin material, and introduces air into the heating part 42 (refer to FIG. 4). The insertion guide member 60 is formed of, for example, a resin material, and is provided between the cover 12 having an opening 12a (refer to Figure 1B) and the downstream end of the heating assembly 41, and guides the fragrance generating article 110 to be inserted into the heating section 42 (refer to Figure 4).

The bottom shell 11B is formed with a first vent 15 and a second vent 18 for introducing air into the heating assembly 41. Specifically, the first vent 15 is in fluid communication with the upstream end of the flow path that penetrates the inlet pipe 50 and leads to the heating assembly 41. That is, the first vent 15 is in fluid communication with the upstream end of the heating assembly 41 via the through flow path of the inlet pipe 50. In addition, the second air vent 18 is in fluid communication with the upstream end of the air flow path 18A formed between the outer shell 11 and the inner shell 17. Furthermore, the downstream end of the air flow path 18A is in fluid communication with the upstream end of the flow path penetrating the inlet pipe 50, so like the first vent 15, the second vent 18 is finally in fluid communication with the heating assembly 41.

The downstream end of the heating assembly 41 is in fluid communication with the upstream end of the flow path that penetrates the guide member 60 and leads to the opening 12a shown in FIG. 1B. When the fragrance generating article 110 is inserted into the fragrance inhaler 10 from the opening 12a of the cover 12 as shown in FIG. 1B, it passes through the insertion guide The guide member 60 and a part of the fragrance generating article 110 are arranged inside the heating assembly 41. Therefore, the insertion guide member 60 is preferably formed such that the opening on the cover 12 side is larger than the opening on the downstream side of the heating assembly 41. Thereby, the fragrance generating article 110 can be easily inserted into the insertion guide member 60 from the opening 12a.

As shown in Figure 1B, in a state where the fragrance-generating article 110 is inserted into the fragrance inhaler 10 from the opening 12a, the user inhales the portion of the fragrance-generating article 110 that protrudes from the fragrance inhaler 10, that is, When the filter portion 115 shown in FIG. 2 takes in air, air flows into the heating assembly 41 from the first vent 15 and the second vent 18. The inflowing air passes through the inside of the heating assembly 41 and reaches the mouth of the user together with the mist generated by the fragrance generating article 110. Therefore, the side of the heating assembly 41 close to the first vent 15 and the second vent 18 (the side close to the inlet pipe 50) is the upstream side, and the side of the heating assembly 41 close to the opening 12a (the side close to the insertion guide member The 60 side) is the downstream side.

Next, the structure of the heating device 40 shown in FIG. 3 will be described. FIG. 4 is a cross-sectional view of the heating device 40. As shown in FIG. As shown in FIG. 4, the heating device 40 includes a heating assembly 41, an inlet pipe 50, and an insertion guide member 60. The heating assembly 41 has a heating part 42, a heat insulation part 43, a first wall 44, and a second wall 45. Among them, the first wall 44 is formed integrally with the insertion guide member 60 on the upstream side of the insertion guide member 60. The second wall 45 is formed integrally with the inlet pipe 50 on the downstream side of the inlet pipe 50. In addition, at least one of the first wall 44 and the second wall 45 may also be provided independently of the insertion guide member 60 or the inlet pipe 50. In addition, only one of the first wall 44 and the second wall 45 may be arranged.

The heating unit 42 is configured to extend in the longitudinal direction and heat the fragrance generating article 110. The heating portion 42 has a first opening 42a at the first end and a second opening at the second end. The opening 42b is configured to accommodate the fragrance generating article 110, the first opening 42a is capable of inserting the fragrance generating article 110, and the second opening 42b is capable of supplying air to the fragrance generating article 110. The heating unit 42 has a container (heat conduction member) 46, a heating element 47, and a heat shrink tube 48.

The container 46 is cup-shaped and forms a cavity for accommodating the fragrance generating article 110. In addition, the first opening 42 a and the second opening 42 b are formed in the container 46. In this embodiment, the container 46 has an inner wall configured to be in contact with at least a part of the outer wall of the fragrance generating article 110 inserted from the first opening 42a. Furthermore, the container 46 has a bottom wall 46a, and the bottom wall 46a abuts against the front end of the fragrance generating article 110 inserted from the first opening 42a. The second opening 42b is a through hole formed in the bottom wall 46a of the container 46. The second opening 42b is located on the upstream side of the air flow, and the first opening 42a is located on the downstream side. In addition, a convex portion 46b is formed on the inner peripheral surface of the container 46 on the side of the first opening 42a. The convex portion 46b is configured to direct the outer wall of the inserted fragrance generating article 110 in the radial direction (orthogonal to the first direction). Second direction) Press inside.

The heating element 47 may be a flexible thin-film heater, and the flexible thin-film heater is formed by sandwiching a heating resistor with two PI (polyimide) films. The heating element 47 is arranged to be in contact with the container 46. Specifically, in the example shown in the figure, the heating element 47 is arranged on the outer peripheral surface of the container 46, and the inner surface of the heating element 47 is in close contact with the outer surface of the container 46. The heating element 47 is arranged along the outer peripheral surface of the container 46, so the whole is deformed into a substantially cylindrical shape.

The heating element 47 generates heat applied to the fragrance generating article 110. The container 46 is formed of, for example, a metal material with high thermal conductivity such as SUS. Therefore, the heat generated by the heating element 47 is transmitted to the entire container 46, and finally the fragrance generating article 110 inserted into the container 46 is heated.

The heat shrink tube 48 has a cylindrical shape, and maintains a state in which the heating element 47 and the container 46 are in close contact. Specifically, the heat-shrinkable tube 48 is heated while being arranged on the outer peripheral side of the heating element 47 and heat-shrinked, thereby applying stress to the heating element 47 to press the heating element 47 against the container 46. Here, the heat-shrinkable tube 48 covers the positioning portion 50c formed on the downstream side of the inlet tube 50 and heat-shrinks, thereby allowing the container 46 and the inlet tube 50 to be in close contact.

The heat insulating portion 43 extends in the longitudinal direction and is separated from the heating portion 42 in the radial direction, and is a cylindrical body that surrounds the outer circumference of the heating portion 42. Specifically, the heat insulating portion 43 is a cylindrical member having a double tube structure, and is arranged to be spaced apart from the heat shrink tube 48 at a predetermined interval on the radially outer side. In addition, the heat insulation part 43 is formed of metal materials, such as SUS, similarly to the container 46. As shown in FIG. The heat insulating portion 43 has an inner tubular member 43a, an outer tubular member 43b, a first ring-shaped member 43c, and a second ring-shaped member 43d. The inner tubular member 43a and the outer tubular member 43b are arranged to be aligned along the radial direction of the inserted fragrance generating article 110.

The first annular member 43c is arranged on the downstream side of the inner tubular member 43a and the outer tubular member 43b, and the second annular member 43d is arranged on the upstream side of the inner tubular member 43a and the outer tubular member 43b. For example, the heat insulating portion 43 may be a vacuum heat insulating material having reduced pressure air or vacuum inside the double pipe structure. Specifically, by decompressing the space formed between the inner tubular member 43a, the outer tubular member 43b, the first annular member 43c, and the second annular member 43d, the heat generated by the heating element 47 is difficult to conduct. To the outside of the heating assembly 41.

The first wall 44 is arranged at the first end of the heating part 42 and is configured as a partition wall that prevents fluid from flowing out of the gap between the heating part 42 and the heat insulating part 43. The first wall 44 is a ring shape that spans the gap between the heating part 42 and the heat insulation part 43 and abuts the heating part 42 and the heat insulation part 43 的Components. That is, the first wall 44 extends in the circumferential direction between the end on the downstream side of the heating part 42 and the end on the downstream side of the heat insulating part 43.

The second wall 45 is arranged at the second end of the heating part 42 and is configured as a partition wall that prevents fluid from flowing out of the gap between the heating part 42 and the heat insulating part 43. The second wall 45 is a ring-shaped member that straddles the gap between the heating portion 42 and the heat insulation portion 43 and abuts on the heating portion 42 and the heat insulation portion 43. That is, the second wall 45 extends in the circumferential direction between the end on the upstream side of the heating part 42 and the end on the upstream side of the heat insulating part 43.

Since the first wall 44 is provided at the first end of the heating part 42 and the second wall 45 is provided at the second end of the heating part 42, the outflow of air from the gap between the heating part 42 and the heat insulating part 43 can be prevented. Thereby, it is possible to prevent air from flowing out of the gap due to the convection generated by the gap between the heating portion 42 and the heat insulating portion 43, and the high-temperature air to diffuse inside the flavor inhaler 10. As a result, the high-temperature air around the heating portion 42 can be retained around the heating portion 42, so that the heating efficiency of the fragrance generating article 110 by the heating portion 42 can be improved. In addition, even in the case where only one of the first wall 44 and the second wall 45 is provided, it is possible to prevent air from flowing out of the gap due to convection generated by the gap between the heating portion 42 and the heat insulating portion 43. This causes the high-temperature air to diffuse inside the flavor inhaler 10.

The inlet pipe 50 is a member forming a piping having a downstream end 50a and an upstream end 50b. The downstream end 50a is engaged with the upstream end (the end on the second opening 42b side) of the container 46, and the upstream end 50b is connected downstream The opposite side of end 50a. The inlet pipe 50 forms an internal flow path for introducing air toward the second opening 42 b of the container 46. The inlet pipe 50 shown in FIG. 4 forms an L-shaped curved internal flow path. In addition, the upstream end 50b of the inlet pipe 50 is the same as the first The vent 15 and the air flow path 18A are arranged close to or adjacent to each other. In addition, the inlet pipe 50 has a positioning portion 50c for positioning the container 46.

The insertion guide member 60 is a substantially cylindrical member having an upstream end 60a and an opening 60b. The upstream end 60a is engaged with the downstream end (the end on the first opening 42a side) of the container 46, and the opening 60b is The opposite side of the upstream end 60a. The opening 60b is configured to be in fluid communication with the opening 12a (refer to FIG. 1B) of the cover 12 so that the fragrance generating article 110 can be inserted.

The insertion guide member 60 integrally formed with the first wall 44 and the inlet pipe 50 integrally formed with the second wall 45 fix the heating assembly 41 to the inner shell 17 of the flavor inhaler 10. At this time, the heat insulating portion 43 is fixed to the inner shell 17 in a state where it is not in contact with the inner shell 17. Thereby, it is possible to suppress heat transfer from the heat insulating portion 43 to the inner shell 17.

Next, the details of the engagement portion between the heating portion 42 and the insertion guide member 60 and the engagement portion between the heating portion 42 and the inlet pipe 50 will be described. FIG. 5 is an enlarged cross-sectional view of the engaging portion of the heating portion 42 and the insertion guide member 60. As shown in FIG. FIG. 6 is an enlarged cross-sectional view of the engagement portion between the heating portion 42 and the inlet pipe 50. As shown in FIG. As shown in Figures 5 and 6, the container 46 has a first extension 46c and a second extension 46d. The first extension 46c extends from the heating element 47 from the second end to the first end. The second extending portion 46d extends from the heating element 47 in the direction from the first end to the second end.

That is, the first wall 44 is arranged to span the gap between the first extension portion 46c and the heat-insulating portion 43, and the second wall 45 is arranged to span the gap between the second extension portion 46d and the heat-insulating portion 43. . Thereby, the first wall 44 and the second wall 45 do not contact the heating element 47, and therefore, it is possible to suppress heat transfer from the heating portion 42 to the heat insulation portion 43 via the first wall 44 and the second wall 45.

In addition, the first extension 46c only abuts the first wall 44 with the first end of the heating portion 42, and the second extension 46d abuts the second wall 45 with only the second end of the heating portion 42. As a result, the contact area between the heating portion 42 and the first wall 44 and the second wall 45 is reduced, so that the transmission of heat from the heating portion 42 to the heat insulating portion 43 via the first wall 44 and the second wall 45 can be further suppressed. In addition, the first extension portion 46c and the second extension portion 46d may form only either one.

In addition, the first wall 44 has a first protrusion 44a that is disposed in a gap between the heating portion 42 and the heat insulation portion 43 and protrudes from the first wall 44 into the gap. The first protruding portion 44 a extends from the first wall 44 to the first edge of the heating element 47 close to the first end portion, and is arranged to be separated from the heating portion 42. Thereby, compared with the case where the first protrusion 44a is not provided, the volume of the space formed by the heating part 42, the heat insulating part 43, the first wall 44, and the second wall 45 can be reduced, so that the space can be reduced. The air inside decreases. As a result, it is possible to suppress heat transfer from the heating portion 42 to the heat insulating portion 43 due to convection. In addition, by providing the first protrusion 44a, the high temperature air can be prevented from reaching the vicinity of the first wall 44. It is assumed that even if the high-temperature air reaches the vicinity of the first wall 44, it will be enclosed in the narrow space between the first protrusion 44a and the heating part 42, so that the heating part 42 through the first wall 44 can prevent heat insulation. Section 43 heat transfer.

In addition, it is not shown in the drawings, but the second wall 45 may also have a second protrusion that is disposed in the gap between the heating portion 42 and the heat insulation portion 43 and protrudes from the second wall 45 into the gap. The second protrusion extends from the second wall 45 to the second edge of the heating element 47 close to the second end, and is arranged to be separated from the heating portion 42. In addition, a filling member may be provided instead of the first protrusion 44a and the second protrusion. The filling member is arranged in the gap between the heating part 42 and the heat insulation part 43, separated from the heating part 42 and along the longitudinal direction. extend. The filling member may be fixed to the inner peripheral surface of the heat insulation part 43, for example. Furthermore, the heating part 42, the heat insulation part 43, the first The space defined by the wall 44 and the second wall 45 seals the aerogel as a filling member. In this case, the heat transfer from the heating part 42 to the heat insulating part 43 due to convection can also be suppressed, and the heat transfer from the heating part 42 to the heat insulating part 43 via the first wall 44 or the second wall 45 can be suppressed.

Hereinafter, Embodiment Mode 2 of the present invention will be described. In the following description, the differences from the first embodiment described above will be described.

FIG. 7 is an enlarged cross-sectional view of the engagement portion between the heating portion 42 and the insertion guide member 60 of the second embodiment. FIG. 8 is an enlarged cross-sectional view of the engagement portion between the heating portion 42 and the inlet pipe 50 of the second embodiment. As shown in FIGS. 7 and 8, ribs 71 to 74 are provided in the gap between the heating portion 42 and the heat insulating portion 43. As shown in FIG. The fins 71 to 74 are annular members made of resin or rubber extending from the inner peripheral surface of the heat insulating portion 43 as a starting point, and are divided by the heating portion 42, the heat insulating portion 43, the first wall 44, and the second wall 45 The function of the space formed. In addition, the fins 71 to 74 are separated from the heating portion 42 and are arranged in the range where the heating element 47 in the longitudinal direction extends. In addition, at least one fin may be provided.

Ribs 71 to 74 are provided in the gap between the heating part 42 and the heat insulation part 43, which can further hinder the outflow of air from between the heating part 42 and the heat insulation part 43. Thereby, it is possible to further suppress the air flowing out from the gap due to the convection generated in the gap between the heating portion 42 and the heat insulating portion 43, and the high-temperature air from spreading inside the flavor inhaler 10. As a result, the high-temperature air around the heating portion 42 can be retained around the heating portion 42, so that the heating efficiency of the fragrance generating article 110 by the heating portion 42 can be improved.

In addition, the fin 73 is arranged at the first edge of the heating element 47 near the first end, and the fin 74 is arranged at the second edge of the heating element 47 near the second end. Specific and In other words, the fins 73 and the fins 74 start from the inner peripheral surface of the heat insulating portion 43 and extend obliquely with respect to the longitudinal direction so as to be away from the heating element 47.

According to the above configuration, the ends of the fins 73 and the fins 74 on the heating portion 42 side are opposed to the first extension 46c and the second extension 46d where the heating element 47 is not disposed. In this way, the influence of the heating element 47 caused by convection on the heat transfer of the fins 73 and 74 is reduced, so the radial length of the fins 73 and the fins 74 can be set to be longer than that of the fins 71 and 72. And it is closer to the heating part 42. As a result, the outflow of air from the gap between the heating part 42 and the heat insulating part 43 is further prevented.

The embodiments of the present invention have been described above, but the present invention is not limited to the above embodiments, and various modifications can be made within the scope of the patent application and the technical ideas disclosed in the specification and drawings. In addition, even if any shapes, materials, etc., which are not directly described in the specification and drawings, if the functions and effects of the present invention are exerted, they also fall within the scope of the technical idea of the present invention.

Hereinafter, several types disclosed in this specification are described.

According to the first form, a heating assembly is provided. The heating assembly is provided with: a heating part, which is configured to extend in a first direction and heat the fragrance-generating article; and a heat insulation part, which extends in the first direction and is in contact with The second direction perpendicular to the first direction is separated from the heating part; and the partition wall is configured to be arranged on at least one of the first end and the second end of the heating part and prevent fluid from passing between the heating part and the heat insulating part. The gap between them flows out.

According to the second form, in the heating assembly of the first form, the heating part is provided with a first opening at the first end portion for inserting the fragrance generating article, and the heat insulation part is a cylindrical body surrounding the outer periphery of the heating part .

According to the third form, in the heating assembly of the first form or the second form, the second end of the heating part is provided with a second opening that can supply air to the fragrance generating article.

According to the fourth form, in the heating assembly of any one of the first form to the third form, the heating part has: a heating element that generates heat applied to the fragrance-generating article; and a heat conduction member that is The heat generated by the heating element is transferred to the fragrance-generating article; the heat conduction member has at least one of a first extension and a second extension, and the first extension is self-heating in the direction from the second end to the first end For element extensions, the second extension portion extends from the heating element in the direction from the first end to the second end; the partition wall includes: a space configured to span the gap between the first extension and the heat insulation portion The first wall and the second wall arranged to straddle the gap between the second extension part and the heat insulation part.

According to the fifth form, in the fourth form of heating assembly, the first extension is only in contact with the first wall at the first end of the heating part, and the second extension is only at the second end of the heating part. The end abuts against the second wall.

According to the sixth form, in the heating assembly of the fourth form or the fifth form, the first wall is formed integrally with the insertion guide member, and the insertion guide member guides the fragrance generating article to be inserted into the heating part.

According to the seventh form, in the heating assembly of any one of the fourth form to the sixth form, the second wall system is formed integrally with the inlet pipe, and the inlet pipe system introduces air into the heating part.

According to the eighth form, the heating assembly of any one of the first to seventh forms has a filling member which is arranged in the gap between the heating part and the heat insulation part, and The heating part is separated and extends in the first direction.

According to the ninth form, in the heating assembly of the eighth form, the filling member includes a protrusion that protrudes from the partition wall into the gap.

According to the tenth form, the heating assembly in any of the first to ninth forms has fins, which are arranged in the gap between the heating part and the heat insulation part and separate The space formed by the heating part, the heat insulating part, and the partition wall.

According to the eleventh type, in the tenth type of heating assembly, the fins are arranged to be separated from the heating part.

According to the twelfth type, in the heating assembly of the tenth type or the eleventh type, the fins are arranged in the range extended by the heating element of the heating part in the first direction.

According to the thirteenth type, in the heating assembly of any type from the tenth type to the twelfth type, the fins are arranged on the first edge of the heating element of the heating part near the first end. And at least one of the second edge near the second end.

According to the fourteenth aspect, in the thirteenth aspect of the heating assembly, the fins start from the inner peripheral surface of the heat insulating portion and extend obliquely with respect to the first direction to be away from the heating element.

According to the fifteenth type, a fragrance inhaler is provided, and the fragrance inhaler is provided with a heating assembly of any one of the first to fourteenth types.

According to the sixteenth aspect, in the fifteenth aspect of the flavor inhaler, the partition wall is formed integrally with the support member, and the support member fixes the heating portion and the heat insulating portion to the housing of the flavor inhaler.

According to the seventeenth aspect, in the sixteenth aspect of the flavor inhaler, the heat insulation part is in a state of not contacting the housing, and is fixed to the housing by the supporting member.

40‧‧‧Heating device

41‧‧‧Heating assembly

42‧‧‧Heating section

42a‧‧‧First opening

42b‧‧‧Second opening

43‧‧‧Insulation Department

43a‧‧‧Inner tubular member

43b‧‧‧Outside tubular member

43c‧‧‧First ring member

43d‧‧‧Second ring member

44‧‧‧First Wall

44a‧‧‧First protrusion

45‧‧‧Second Wall

46‧‧‧Container

46a‧‧‧Bottom wall

46b‧‧‧Protrusion

47‧‧‧Heating element

48‧‧‧Heat shrinkable tube

50‧‧‧Inlet pipe

50a‧‧‧Downstream

50b‧‧‧Upstream

50c‧‧‧Positioning part

60‧‧‧Insert guide member

60a‧‧‧Upstream

60b‧‧‧Opening

Claims (17)

A heating assembly with: The heating part is configured to extend along the first direction for heating the fragrance generating article; The heat insulation part extends along the aforementioned first direction and is separated from the aforementioned heating part in a second direction orthogonal to the aforementioned first direction; and The partition wall is configured to be arranged on at least one of the first end and the second end of the heating part and to prevent fluid from flowing out of the gap between the heating part and the heat insulating part. The heating assembly as described in item 1 of the scope of patent application, in which: The heating part is provided at the first end with a first opening into which the fragrance generating article can be inserted; The heat insulation part is a cylindrical body surrounding the outer periphery of the heating part. The heating assembly as described in item 1 of the scope of patent application, in which: The heating part is provided at the second end with a second opening that can supply air to the fragrance generating article. The heating assembly as described in item 1 of the scope of patent application, in which: The aforementioned heating part has: The heating element generates heat applied to the aforementioned fragrance-generating article; and The heat conduction member transfers the heat generated by the heating element to the fragrance generating article; The heat conduction member has at least one of a first extension portion and a second extension portion. The first extension portion extends from the heating element in a direction from the second end portion toward the first end portion, and the second extension portion It extends from the heating element in the direction from the first end to the second end; The partition wall includes: a first wall arranged to straddle the gap between the first extension part and the heat insulation part, and a first wall arranged to straddle the gap between the second extension part and the heat insulation part The second wall. The heating assembly described in item 4 of the scope of patent application, in which, The first extension part is only in contact with the first wall at the first end of the heating part; The second extension part is only in contact with the second wall at the second end of the heating part. The heating assembly described in item 4 of the scope of patent application, in which, The first wall is formed integrally with an insertion guide member, and the insertion guide member guides the fragrance generating article to be inserted into the heating part. The heating assembly described in item 4 of the scope of patent application, in which, The second wall system is formed integrally with the inlet pipe, and the inlet pipe system introduces air into the heating part. The heating assembly described in item 1 of the scope of the patent application has a filling member which is arranged in the gap between the heating part and the heat insulation part, and is separated from the heating part and along the first Extend in one direction. The heating assembly as described in item 8 of the scope of patent application, in which, The filling member includes a protrusion that protrudes from the partition wall into the gap. The heating assembly described in item 1 of the scope of patent application has fins, The fins are arranged in the gap between the heating part and the heat insulation part, and partition the space formed by the heating part, the heat insulation part, and the partition wall. The heating assembly as described in item 10 of the scope of patent application, in which, The fins are arranged to be separated from the heating part. The heating assembly as described in item 10 of the scope of patent application, in which, The fins are arranged in the range extended by the heating element of the heating part in the first direction. The heating assembly as described in item 10 of the scope of patent application, in which, The fins are arranged on at least one of a first edge portion near the first end portion and a second edge portion near the second end portion of the heating element of the heating portion. The heating assembly as described in item 13 of the scope of patent application, in which: The fins start from the inner peripheral surface of the heat insulating portion, and extend obliquely with respect to the first direction so as to be away from the heating element. A flavor inhaler is provided with the heating assembly described in any one of items 1 to 14 in the scope of patent application. The fragrance inhaler as described in item 15 of the scope of patent application, in which, The partition wall is formed integrally with a support member, and the support member fixes the heating part and the heat insulation part to the housing of the flavor inhaler. The fragrance inhaler as described in item 16 of the scope of patent application, in which, The heat insulation part is in a state of not contacting the housing, and is fixed to the housing by the supporting member.

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