Flue structure of warming table

By setting a smoke vent and a longitudinal smoke exhaust channel at the bottom of the stove body of the fire table, the problem of the smoke vent occupying side space in the existing technology is solved, thereby improving the side utilization rate and safety of the fire table.

CN223826261UActive Publication Date: 2026-01-23ZHONGSHAN ZAOFU TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520462782.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-01-23
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The existing flue structure of the fire table results in the smoke outlet being located on the side wall, making it impossible for people to sit on that side, thus reducing the side utilization and practicality of the fire table.

Method used

The exhaust port is located at the bottom of the furnace body, and a long, vertical exhaust channel is set inside the furnace body to allow the flue gas to be discharged from the top of the stove opening to the bottom through the exhaust port. Multiple exhaust channels and partitioned chambers are combined to exchange heat and reduce the temperature of the flue gas.

Benefits of technology

While achieving normal smoke extraction, it increases the utilization and practicality of the side of the fire table, and reduces the risk of burns to users from the smoke extraction.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223826261U_ABST
    Figure CN223826261U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of warming tables, in particular to a flue structure of a warming table, which comprises a table plate and a furnace body, a combustion chamber is arranged in the furnace body, a stove opening is arranged at the top of the combustion chamber, an air inlet and a smoke outlet are arranged on the furnace body, the smoke outlet is arranged at the bottom of the furnace body, and a smoke exhaust channel is arranged in the furnace body. The smoke exhaust channel is in a long strip shape and is longitudinally arranged, the upper end of the smoke exhaust channel is communicated with the stove opening, and the lower end of the smoke exhaust channel is communicated with the smoke outlet. The smoke exhaust port is arranged at the bottom of the furnace body, the smoke exhaust channel is arranged in the furnace body, the smoke exhaust channel is in the shape of a long strip and is longitudinally arranged, smoke exhausted from a stove opening passes through the smoke exhaust channel from top to bottom and is finally exhausted from the smoke exhaust port at the bottom, and the smoke exhaust port can be communicated with a smoke exhaust pipe pre-buried on the ground and leads the smoke out of a room. The influence on the side face of the warming table is reduced, and the side face utilization rate and practicability of the warming table are improved while normal smoke exhaust is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a brazier technology field especially a brazier's flue structure. BACKGROUND

[0002] The brazier includes a furnace body and a table board, a combustion chamber for burning biomass fuel such as wood is arranged in the furnace body, a flue structure is arranged on the combustion chamber, flue gas is guided out of the outdoor through the flue structure, and the flue structure includes a smoke outlet and a smoke exhaust pipe.

[0003] However, the existing smoke outlet is generally arranged on the side wall of the combustion chamber, the smoke exhaust pipe is directly connected to the side wall of the furnace body and communicates with the smoke outlet, that is, one side of the brazier needs to be used for discharging smoke, people cannot sit on the side, the side surface utilization rate is low, and the practicability needs to be improved.

[0004] For example, the multifunctional household brazier disclosed in the patent with the publication number CN202101326U is arranged with a smoke outlet on the upper side of the side wall of the hearth, the smoke outlet is connected with a circular smoke exhaust pipe, and external smoke discharge is realized.

[0005] In the above-mentioned technology, due to the arrangement of the flue structure, the side where the smoke exhaust pipe is arranged cannot be sat on, the side surface utilization rate of the brazier is low, and the side surface utilization rate and the practicability need to be improved. INNOVATION CONTENT

[0006] To solve the above-mentioned technical problems, the purpose of the utility model is to provide a flue structure of a brazier, which can improve the side surface utilization rate and the practicability of the brazier while normally discharging smoke.

[0007] The utility model discloses the technical scheme adopted to solve the problem is: a brazier's flue structure, including table board and furnace body, the combustion chamber is arranged in the furnace body, the hearth is arranged on the top of the combustion chamber, the air inlet and the smoke outlet are arranged on the furnace body, the air inlet is communicated with the combustion chamber, the smoke outlet is arranged at the bottom of the furnace body, the smoke exhaust passage is arranged in the furnace body, the smoke exhaust passage is long strip and is longitudinally arranged, the upper end of the smoke exhaust passage is communicated with the hearth, and the lower end of the smoke exhaust passage is communicated with the smoke outlet.

[0008] As a further improvement of the above-mentioned technical scheme, the number of the smoke exhaust passages is more than two.

[0009] As a further improvement of the above-mentioned technical scheme, the furnace body is in the shape of a tetrahedron, the number of the smoke exhaust passages is four and is arranged at the four corners of the furnace body, and the smoke exhaust passages are arranged around the combustion chamber.

[0010] As a further improvement of the above technical solution, the smoke exhaust chamber is arranged below the combustion chamber, the lower ends of the smoke exhaust channels are communicated with the smoke exhaust chamber, and the smoke exhaust port is arranged on the bottom surface of the smoke exhaust chamber.

[0011] As a further improvement of the above technical solution, the second partition cavity is arranged between the bottom of the furnace body and the combustion chamber, a second baffle is arranged in the second partition cavity, the second baffle divides the second partition cavity into the smoke exhaust chamber and a second outer ring air duct, the second outer ring air duct is located at the outer periphery of the smoke exhaust chamber and is communicated with the combustion chamber, and the air inlet hole comprises a second air inlet hole arranged at the lower end of the side wall of the furnace body and communicated with the second outer ring air duct, so that external air can enter the second outer ring air duct from the second air inlet hole.

[0012] As a further improvement of the above technical solution, the top plate is arranged on the top of the furnace body, a through hole corresponding to the cooking opening is arranged in the middle of the top plate, a first partition cavity is arranged between the top plate and the combustion chamber, a first baffle is arranged in the first partition cavity, the first baffle divides the first partition cavity into a central air duct and a first outer ring air duct, the first outer ring air duct is arranged at the outer periphery of the central air duct and is communicated with the combustion chamber, the cooking opening is located at the center of the central air duct, the upper end of the smoke exhaust channel is located at the side of the central air duct, and the air inlet hole comprises a first air inlet hole arranged on the top plate and communicated with the first outer ring air duct, so that external air can enter the first outer ring air duct from the first air inlet hole.

[0013] As a further improvement of the above technical solution, the support is arranged below the furnace body, and the support has a certain height.

[0014] The utility model discloses the beneficial effect is: the utility model discloses the smoke exhaust port is arranged at the bottom of the furnace body, the smoke exhaust channel is arranged in the furnace body, the smoke exhaust channel is long strip -shaped and is longitudinally arranged, the upper end of the smoke exhaust channel is communicated with the cooking opening, the lower end of the smoke exhaust channel is communicated with the smoke exhaust port, and the smoke exhaust port can be communicated with the smoke exhaust pipe buried on the ground and guide the smoke to the outdoor, reduce the influence to the side of the fire table, improve the side use rate and practicality of the fire table when normally exhausting the smoke. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be explained further in the following combining with the specific embodiment of the attached drawing.

[0016] Figure 1 It is one of the front side sectional view of the utility model;

[0017] Figure 2 is a top sectional view of the utility model;

[0018] Figure 3 is a front sectional view of the utility model;

[0019] Figure 4 is a Figure 3 is an enlarged schematic view of the structure at A in the middle;

[0020] Figure 5 is a schematic view of the overall structure of the utility model;

[0021] Figure 6 is a top sectional view of the utility model;

[0022] Figure 7 is a bottom sectional view of the utility model;

[0023] In the drawing: 1-table board, 2-furnace body, 21-combustion chamber, 211-stove mouth, 22-exhaust chamber, 231-first air inlet hole, 232-second air inlet hole, 24-exhaust port, 25-exhaust passage, 3-bracket, 4-top plate, 41-through hole, 5-first partition cavity, 51-first baffle, 52-central air duct, 53-first outer ring air duct, 6-second partition cavity, 61-second baffle, 62-second outer ring air duct. DETAILED DESCRIPTION

[0024] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawing, the role of the drawing is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0025] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc., is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as the limitation of the utility model.

[0026] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, above, below, etc. are understood as including the number. If it is described to the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing, connecting should be understood broadly, and the skilled in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0028] Referring to Figures 1 to 7 A flue structure of a brazier, comprising a table plate 1 and a furnace body 2, the furnace body 2 is installed below the table plate 1, a combustion chamber 21 is arranged in the furnace body 2, a hearth 211 is arranged at the top of the combustion chamber 21, biomass fuel such as firewood is combusted in the combustion chamber 21, and the heat generated by combustion is transmitted to the table plate 1 through the hearth 211, air inlet holes (for supplying oxygen) and smoke outlet holes 24 (for discharging smoke) are arranged on the furnace body 2, the smoke outlet holes 24 are arranged at the bottom of the furnace body 2, a smoke discharge channel 25 is arranged in the furnace body 2, the smoke discharge channel 25 is in a strip shape and is arranged longitudinally, the upper end of the smoke discharge channel 25 is communicated with the hearth 211, and the lower end of the smoke discharge channel 25 is communicated with the smoke outlet holes 24. By arranging the smoke outlet holes 24 at the bottom of the furnace body 2 and arranging the smoke discharge channel 25 in the furnace body 2, the flue gas discharged by the hearth 211 is discharged from the furnace body 2 from top to bottom, bottom smoke discharge is realized, and the specific smoke discharge path is shown by reference to Figure 1 Arrow, while normally discharging smoke, reducing the influence on the side of the brazier, improving the utilization rate of the side, and improving the practicability of the brazier.

[0029] In a preferred embodiment, the number of smoke discharge channels 25 is two or more, improving the smoke discharge efficiency.

[0030] In a preferred embodiment, the furnace body 2 is in a tetrahedron shape, the number of smoke discharge channels 25 is four and is arranged at four corners of the furnace body 2, the smoke discharge channels 25 are arranged around the combustion chamber 21, and the smoke discharge direction is shown by reference to Figure 6 Arrow, fully utilizing the internal structure of the furnace body 2, further improving the smoke discharge efficiency while improving the compactness of the structure. It should be noted that the smoke discharge channel 25 is arranged at the corner, which should be understood as the smoke discharge channel 25 being arranged close to the corner, that is, the smoke discharge channel 25 can be arranged close to the corner, or can be arranged with a certain gap or distance from the corner, and both cases should be understood as the smoke discharge channel 25 being arranged at the corner.

[0031] In the preferred embodiment, a smoke exhaust chamber 22 is further included, which is located below the combustion chamber 21, i.e. the furnace body 2 is divided into two layers, the lower end of each smoke exhaust passage 25 communicates with the smoke exhaust chamber 22, and the smoke exhaust port 24 is arranged on the bottom surface of the smoke exhaust chamber 22 (the bottom of the furnace body 2), so that the flue gas discharged from each smoke exhaust passage 25 converges in the smoke exhaust chamber 22, and finally is discharged out of the fire table through the smoke exhaust port 24 at the bottom of the smoke exhaust chamber 22. It should be noted that in actual use, the smoke exhaust port 24 will also cooperate with an external smoke exhaust pipe, and a fan is installed in the smoke exhaust pipe.

[0032] In the preferred embodiment, a second partition cavity 6 is arranged between the bottom of the furnace body 2 and the combustion chamber 21; a second enclosing plate 61 is arranged in the second partition cavity 6, which divides the second partition cavity 6 into the smoke exhaust chamber 22 and a second outer ring air channel 62, which is located at the outer periphery of the smoke exhaust chamber 22 and communicates with the combustion chamber 21; the air inlet hole includes a second air inlet hole 232, which is arranged at the lower end of the side wall of the furnace body 2 and communicates with the second outer ring air channel 62, so that external air can enter the second outer ring air channel 62 through the second air inlet hole 232 and finally enter the combustion chamber 21. By arranging the second partition cavity 6, the high-temperature flue gas and the low-temperature cold air exchange heat in the second partition cavity 6, thereby reducing the output temperature of the flue gas from the lower end and reducing the risk of scalding users by the smoke exhaust pipe.

[0033] In the preferred embodiment, a top plate 4 is arranged at the top of the furnace body 2, a through hole 41 corresponding to the cooking surface 211 is arranged in the middle of the top plate 4, heat passes through the cooking surface 211 and the through hole 41 in sequence, and finally reaches the table plate 1; a first partition cavity 5 is arranged between the top plate 4 and the combustion chamber 21, a first enclosing plate 51 is arranged in the first partition cavity 5, which divides the first partition cavity 5 into a central air channel 52 and a first outer ring air channel 53, the first outer ring air channel 53 surrounds the outer periphery of the central air channel 52 and communicates with the combustion chamber 21; the cooking surface 211 is located at the center of the central air channel 52, and the upper end of the smoke exhaust passage 25 is located at the side of the central air channel 52; the air inlet hole includes a first air inlet hole 231, which is arranged in the top plate 4 and communicates with the first outer ring air channel 53, so that external air can enter the first outer ring air channel 53 through the first air inlet hole 231. By arranging the first partition cavity 5, the high-temperature flue gas and the low-temperature cold air exchange heat in the first partition cavity 5, thereby reducing the output temperature of the flue gas from the upper end and further reducing the risk of scalding users by the smoke exhaust pipe.

[0034] In the preferred embodiment, the number of air inlet holes is several and is arranged around the furnace body 2, the air inlet holes are communicated with the combustion chamber 21, and the oxygen supply effect in the combustion chamber 21 is provided, and the specific air inlet (oxygen supply) path is referred to Figure 4 In the preferred embodiment, the support 3 is further included, the support 3 is installed below the furnace body 2, the support 3 has a certain height, so that the furnace body 2 can be erected in the air, and the smoke outlet 24 is a certain distance from the ground.

[0035] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A flue structure for a fire table, comprising a tabletop (1) and a furnace body (2), wherein a combustion chamber (21) is provided inside the furnace body (2), a stove opening (211) is provided at the top of the combustion chamber (21), and an air inlet and a smoke exhaust outlet (24) are provided on the furnace body (2), wherein the air inlet communicates with the combustion chamber (21), characterized in that: The exhaust port (24) is located at the bottom of the furnace body (2). The furnace body (2) is provided with an exhaust channel (25). The exhaust channel (25) is long and longitudinal. The upper end of the exhaust channel (25) is connected to the stove opening (211), and the lower end of the exhaust channel (25) is connected to the exhaust port (24).

2. The flue structure of a heating table as described in claim 1, characterized in that: The number of the smoke exhaust channels (25) is two or more.

3. The flue structure of a heating table as described in claim 2, characterized in that: The furnace body (2) is tetrahedral in shape, and there are four exhaust channels (25) located at the four corners of the furnace body (2). The exhaust channels (25) surround the combustion chamber (21).

4. The flue structure of a heating table as described in claim 3, characterized in that: It also includes a smoke exhaust chamber (22), which is located below the combustion chamber (21). The lower ends of the smoke exhaust channels (25) are all connected to the smoke exhaust chamber (22), and the smoke exhaust port (24) is located on the bottom surface of the smoke exhaust chamber (22).

5. The flue structure of a heating table as described in claim 4, characterized in that: A second partition chamber (6) is provided between the bottom of the furnace body (2) and the combustion chamber (21); The second partition cavity (6) is provided with a second enclosure plate (61), which divides the second partition cavity (6) into the smoke exhaust chamber (22) and the second outer ring air passage (62). The second outer ring air passage (62) is located on the outer periphery of the smoke exhaust chamber (22) and is connected to the combustion chamber (21). The air inlet includes a second air inlet (232), which is located at the lower end of the side wall of the furnace body (2) and communicates with the second outer ring air passage (62). External air can enter the second outer ring air passage (62) from the second air inlet (232).

6. The flue structure of a heating table as described in claim 3, characterized in that: The furnace body (2) is provided with a top plate (4) at the top, and the top plate (4) is provided with a through hole (41) in the middle corresponding to the stove opening (211); A first partition cavity (5) is provided between the top plate (4) and the combustion chamber (21). A first enclosure plate (51) is provided in the first partition cavity (5). The first enclosure plate (51) divides the first partition cavity (5) into a central air passage (52) and a first outer ring air passage (53). The first outer ring air passage (53) surrounds the outer periphery of the central air passage (52) and communicates with the combustion chamber (21). The stove opening (211) is located at the center of the central air duct (52), and the upper port of the smoke exhaust duct (25) is located on the side of the central air duct (52); The air inlet includes a first air inlet (231), which is disposed on the top plate (4) and communicates with the first outer ring air passage (53), allowing external air to enter the first outer ring air passage (53) from the first air inlet (231).

7. The flue structure of a heating table as described in claim 1, characterized in that: It also includes a bracket (3), which is installed below the furnace body (2) and has a certain height.

Citation Information

Patent Citations

  • Multifunctional domestic roasting table

    CN202101326U