Household smoking machine

Abstract

The utility model discloses a household smoking machine, which relates to the technical field of household kitchen appliances and comprises a smoke storage chamber, the smoke storage chamber is provided with a combustion chamber communicated with the smoke storage chamber, and smoking gas generated by combustion of smoking materials in the combustion chamber enters the smoke storage chamber; the air guide chamber is provided with an air blowing assembly; the smoke mixing part is provided with a smoke inlet pipe communicated with the smoke storage chamber, a gas guide pipe communicated with the gas guide chamber and a smoke exhaust pipe communicated with the smoking guide pipe; and when the gas of the gas blowing assembly is blown out from the gas guide pipe, the smoke gas in the smoke storage chamber enters the smoke mixing part through the smoke inlet pipe and is blown out towards the smoke exhaust pipe along with the gas. According to the household smoking machine disclosed by the utility model, the smoke storage chamber and the gas guide chamber are respectively and independently arranged, airflow of the blowing assembly and smoking gas of the smoke storage chamber converge to the smoke mixing part, and the airflow and the smoking gas are mixed by utilizing a siphon principle and then are introduced into the smoking guide pipe. Corrosion and damage of the smoke gas to the blowing assembly are effectively avoided, and the service life of equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of household kitchen appliances, in particular to a household fumigator. Background Art

[0002] Smokers are mainly used to smoke cooked food or ingredients that do not need to be cooked, so that the food has a unique smoked taste and increases the appeal of the food. Commercial smokers are large in size and suitable for mass production by enterprises. With the rise of online sharing, users try to make smoked food by themselves, and smokers for home use are constantly being innovated on the market.

[0003] Chinese patent CN202111557814.1 discloses a smoker, which includes a silo, a smoke bin, a base and an air guide assembly; the base can be connected to the smoke bin; the air guide assembly includes a mounting part, a fan and a motor for driving the fan to rotate, the mounting part is arranged on the base, the motor is arranged in the base, and the output shaft of the motor passes through the mounting part and is connected to the fan; the mounting part is provided with an inner cavity, the inner cavity of the mounting part is provided with at least one first oil baffle wall, the periphery of the first oil baffle wall forms an annular closed structure, the bottom of the fan is provided with at least one second oil baffle wall extending downward, the periphery of the second oil baffle wall forms an annular closed structure, the first oil baffle wall and the second oil baffle wall are arranged one by one, and the second oil baffle wall is located on the outside of the first oil baffle wall, and the output shaft of the motor is located on the inner side of the innermost first oil baffle wall.

[0004] Although the existing technology isolates the motor shaft from contact with the smoke gas, the fan blades of the fumigator and the smoke gas are in the same cavity. The smoke gas is in contact with the fan for a long time in the cavity, and the smoke material attached to the fan blade affects the rotation of the fan blade or corrodes the fan blade parts. The smoke material corrodes the sealing sleeve and penetrates into the electrode shaft, causing damage to the parts and shortening the service life of the fumigator. Utility Model Content

[0005] The utility model aims to at least solve the technical problem existing in the prior art that "the motor fan and the fume gas are in the same chamber, and long-term operation is prone to corrode the motor fan assembly, causing component damage and affecting the service life of the fume machine". To this end, the utility model proposes a household fume machine, in which the fume gas and the air guide assembly are independently arranged in different cavities, and the air flow and the fume gas are blown out through the pipeline through the siphon principle to achieve contactless transmission, which provides good protection for the components of the fume machine and improves the service life of the fume machine.

[0006] According to some embodiments of the utility model, a household smoker comprises a main unit and a smoke duct, wherein the smoke duct is detachably connected to the main unit; the main unit comprises:

[0007] A smoke storage chamber, wherein the smoke storage chamber is provided with a combustion chamber which is connected with the smoke storage chamber, and smoke gas generated by the combustion of the smoke material in the combustion chamber enters the smoke storage chamber;

[0008] An air guide chamber, wherein the air guide chamber is provided with an air blowing assembly; and

[0009] A smoke mixing part is provided with a smoke inlet pipe communicating with the smoke storage chamber, an air guide pipe communicating with the air guide chamber, and a smoke exhaust pipe communicating with the smoke duct;

[0010] The smoke inlet pipe and the air duct are socketed with each other, and the tube wall of the smoke inlet pipe and the tube wall of the air duct are spaced apart; when the gas of the blowing assembly is blown out from the air duct, negative pressure is formed around the air duct, and the smoked gas in the smoke storage chamber enters the smoke mixing part through the smoke inlet pipe and is blown out to the smoke exhaust pipe along with the gas.

[0011] According to some embodiments of the present utility model, the air guide pipe is arranged in the smoke inlet pipe, and an annular smoke inlet port is formed between the outer wall of the air guide pipe and the inner wall of the smoke inlet pipe.

[0012] According to some embodiments of the present invention, the ratio of the width of the annular smoke inlet to the radius of the air guide pipe is 0.8 to 2.0.

[0013] According to some embodiments of the utility model, the pipe opening of the air guide pipe close to one end of the smoke exhaust pipe is in a conical diffusion shape.

[0014] According to some embodiments of the utility model, an oil storage cup is included, which is arranged in the smoke storage chamber and below the combustion chamber.

[0015] According to some embodiments of the present invention, the smoke storage chamber includes a detachably connected metal cover, the metal cover is provided with a mounting base communicated with the smoke storage chamber, and the mounting base is detachably connected to the combustion chamber.

[0016] According to some embodiments of the utility model, a limiting portion is provided on one side of the metal cover close to the smoke storage chamber, and when the metal cover is connected to the smoke storage chamber, the limiting portion fixes the position of the oil storage cup to prevent the oil storage cup from being displaced.

[0017] According to some embodiments of the utility model, the combustion chamber includes a bucket-shaped combustion portion and a channel portion, one end of the channel portion is connected to the smoke storage chamber, and the other end is connected to the combustion portion, and the opening of the combustion portion gradually narrows from the top to the channel portion.

[0018] According to some embodiments of the present invention, the combustion part is provided with a metal partition.

[0019] According to some embodiments of the present utility model, the blowing assembly adopts an blowing pump, and the blowing port of the blowing pump is connected to the air guide tube.

[0020] According to some embodiments of the present utility model, the host is provided with a power supply component and a control panel, and the control panel is arranged on the side wall of the host, and the control panel is electrically connected to the power supply component and the blowing component respectively.

[0021] According to some embodiments of the present invention, the main unit is tower-shaped, the smoke storage chamber is arranged in the upper half of the main unit, and the air guide chamber is arranged in the lower half of the main unit.

[0022] According to some embodiments of the utility model, the smoke mixing part adopts a three-way structure, and the pipe openings of the smoke inlet pipe, the air guide pipe and the smoke exhaust pipe are coaxially arranged.

[0023] According to some embodiments of the utility model, the household fumigator has at least the following beneficial effects: the smoke storage chamber and the air guide chamber are independently arranged, the airflow of the blowing component and the smoke gas of the smoke storage chamber converge into the smoke mixing part, and the airflow and the smoke gas are mixed by the siphon principle and then passed into the smoke duct, which effectively avoids the corrosion and damage of the smoke gas to the blowing component, and prolongs the service life of the equipment.

[0024] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0026] Figure 1 It is a three-dimensional schematic diagram of a household smoker according to an embodiment of the utility model;

[0027] Figure 2 This is a partial exploded view of a household smoker according to an embodiment of the utility model;

[0028] Figure 3 This is a first cross-sectional view of the household smoker according to an embodiment of the utility model;

[0029] Figure 4 This is a second cross-sectional view of the household smoker according to an embodiment of the utility model;

[0030] Figure 5 This is a third cross-sectional view of the household smoker according to an embodiment of the utility model.

[0031] Reference numerals:

[0032] Host 100, smoke duct 110,

[0033] The smoke storage chamber 210, the oil storage cup 220, the metal cover 230, the mounting base 231, the limiting part 232,

[0034] Combustion chamber 310, combustion part 311, channel part 312, metal screen 313,

[0035] The smoke mixing unit 400 , the smoke inlet pipe 410 , the air guide pipe 420 , the smoke exhaust pipe 430 , the annular smoke inlet 440 , the air guide chamber 500 , the air blowing component 510 , the power supply component 520 , and the control panel 530 . DETAILED DESCRIPTION

[0036] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0037] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, top, bottom, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0039] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0040] Reference below Figure 1-Figure 5 A household smoker according to an embodiment of the utility model is described.

[0041] like Figure 1-Figure 5As shown, the household smoker includes a main unit 100 and a smoke duct 110. The smoke duct 110 is detachably connected to the main unit 100 and is made of food-grade silicone. The user inserts the mouth of the smoke duct 110 into a smoke hood or a smoke bag to smoke food. The smoke duct 110 can be separated from the main unit 100 and replaced after being aged due to long-term use.

[0042] The host 100 includes a smoke storage chamber 210, an air guide chamber 500 and a smoke mixing section 400. The smoke mixing section 400 is provided with a smoke inlet pipe 410 connected to the smoke storage chamber 210, an air guide pipe 420 connected to the air guide chamber 500 and a smoke exhaust pipe 430 connected to the smoke duct 110. The smoke storage chamber 210 is provided with a combustion chamber 310 that passes through the smoke storage chamber 210, and the smoke material only burns in the combustion section 311 and produces smoke gas. The smoke gas generated by the combustion of the smoke material in the upper half of the combustion chamber 310 (i.e., the combustion section 311) enters the smoke storage chamber 210. The smoke material is put into the combustion chamber 310 and burns to produce smoke gas. The blowing component 510 in the air guide chamber 500 generates a high-speed airflow and blows it into the air guide pipe 420.

[0043] Among them, the smoke inlet pipe 410 and the air duct 420 are connected to each other, and the tube wall of the smoke inlet pipe 410 and the tube wall of the air duct 420 are arranged at a distance; when the gas of the blowing assembly 510 is blown out from the air duct 420, a negative pressure is formed around the air duct 420, and the smoked gas in the smoke storage chamber 210 enters the smoke mixing part 400 through the smoke inlet pipe 410 and is blown out to the smoke exhaust pipe 430 along with the gas.

[0044] Specifically, before the food needs to be smoked, the blowing assembly 510 is turned on, and the air duct 420 blows out a high-speed airflow. At this time, the peripheral pressure of the high-speed airflow is reduced, forming a pressure difference, so that the gas around the air duct 420 converges into the high-speed airflow and enters the smoke exhaust pipe 430. At this time, the pressure in the smoke storage chamber 210 is greater than the pressure in the smoke mixing section 400, and the air in the smoke storage chamber 210 flows into the smoke mixing section 400 through the smoke inlet pipe 410. Since the combustion chamber 310 and the smoke storage chamber 210 are connected, the combustion chamber 310 is connected to the outside world. At this time, the air flows from the combustion chamber 310 to the smoke storage chamber 210 to the smoke mixing section 400 and then enters the smoke duct 110, forming a unidirectional flow. It should be noted that the smoked material is only burned in the upper half of the combustion chamber 310 (i.e., the combustion section 311) and generates smoke gas.

[0045] The user ignites the smoking material in the combustion chamber 310, and the smoking gas enters the smoke storage chamber 210, the smoke mixing part 400 and the smoke duct 110 along the air flow direction, so that the smoke machine can work normally. During the whole smoking process, the air duct 420 continuously blows out a high-speed airflow, and the smoking gas and the high-speed airflow are mixed and enter the exhaust pipe 430. The smoking gas is effectively prevented from entering the blowing component 510 and corroding the blowing component 510. The blowing component 510 is independent of the smoke storage chamber 210 during the smoking process, and the smoking gas is prevented from contacting the blowing component 510 from the physical structure, which effectively increases the life of the components of the smoke machine and increases the working life of the equipment.

[0046] At present, the market uses the fan to rotate centrifugally to blow the smoke gas generated by the burning materials out of the pipeline. The motor shaft and fan blades are in the entire smoke gas passage. The working parts are in contact with the smoke gas for a long time. After a period of time, the smoke gas will corrode the motor shaft and cause the product to lose its function.

[0047] Different from the prior art solution that uses a centrifugal fan structure to drive the flow of smoke gas, the blowing assembly 510 of this embodiment uses a blowing pump structure, and the blowing port of the blowing pump is connected to the air guide pipe 420. The high-speed airflow generated by the blowing pump pushes the smoke gas into the smoke duct 110, and the blowing pump does not need to be in direct contact with the smoke gas. The smoke gas is transported by siphoning, and no working parts are in contact with the smoke gas, so the working parts will not be damaged and have a longer service life.

[0048] In other embodiments, the air blowing assembly 510 can also use a centrifugal fan, and the centrifugal fan passes the gas generated by the centrifugal fan into the air guide pipe 420 through a pipeline in the air guide chamber 500. The utility model mainly realizes the separation of the smoke gas and the air blowing assembly 510 through the smoke mixing part 400, and the parts of the air blowing assembly 510 do not need to work in the smoke storage chamber 210, which effectively avoids the corrosion damage caused by the smoke oil and other substances in the smoke gas adhering to the air blowing assembly 510 and the sealing member.

[0049] In some embodiments of the present invention, Figure 3-Figure 5 As shown, the smoke mixing section 400 adopts a three-way structure, and the pipe openings of the smoke inlet pipe 410, the air guide pipe 420 and the smoke exhaust pipe 430 are coaxially arranged. In this embodiment, the pipe openings of the smoke inlet pipe 410, the air guide pipe 420 and the smoke exhaust pipe 430 of the smoke mixing section 400 are all coaxially arranged, which can reduce the turning of gas flow, so that the smoke gas and the high-speed airflow can be mixed more fully, and the smoke gas is prevented from adhering to the inner wall of the smoke mixing section 400, which is convenient for cleaning the inside of the smoke mixing section 400 later. Specifically, the smoke exhaust pipe 430 and the smoke inlet pipe 410 share the same pipe, and the air guide pipe 420 is located inside it.

[0050] In some embodiments of the present invention, Figure 3-Figure 5As shown, the air guide 420 is disposed in the smoke inlet pipe 410, and an annular smoke inlet 440 is formed between the outer wall of the air guide 420 and the inner wall of the smoke inlet pipe 410. Specifically, the air guide 420 is located in the smoke inlet pipe 410, so that the cross-sectional area of ​​the annular smoke inlet 440 is larger, more smoke gas can be introduced, the flow rate of the smoke gas is increased, and the smoke efficiency is improved.

[0051] It should be understood that disposing the air duct 420 inside the smoke inlet duct 410 is not the only implementation mode. In some other embodiments, the smoke inlet duct 410 can also be disposed inside the air duct 420, that is, an annular air inlet is formed between the outer wall of the smoke inlet duct 410 and the inner wall of the air duct 420, and the smoke gas is blown in from the middle and merged with the high-speed airflow at the periphery. The smoke gas flow rate is small, which is suitable for food processing with a small smoke gas flow rate, such as being slightly tipsy.

[0052] In a further embodiment, Figure 4 and Figure 5 As shown, the ratio of the ring width of the annular smoke inlet 440 to the radius of the air duct 420 is 0.8 to 2.0. In this embodiment, the smoke mixing unit 400 and the main unit 100 are integrally formed, the cross-sectional area of ​​the annular smoke inlet 440 determines the flux of the smoke gas, and the cross-sectional area of ​​the air duct 420 determines the flux of the high-speed airflow. By adjusting the cross-sectional area ratio of the annular smoke inlet 440 and the air duct 420, the mixing ratio of the smoke gas and the high-speed airflow can be adjusted to achieve different smoking effects.

[0053] In other embodiments, the smoke mixing unit 400 and the main unit 100 adopt a detachable structure, and smoke mixing units 400 of different specifications are provided with different gas mixing ratios. The user selects a smoke mixing unit 400 of corresponding specifications according to actual use requirements.

[0054] In some embodiments of the present invention, Figure 3 and Figure 5 As shown, the pipe opening of the air guide pipe 420 near one end of the smoke exhaust pipe 430 is in a conical diffusion shape. Specifically, the high-speed airflow in the air guide pipe 420 diffuses into the smoke mixing part 400 at the end of the pipe opening. At this time, the airflow volume in the smoke mixing pipe is large, forming a vacuum effect, so that the internal and external pressure difference between the smoke storage chamber 210 and the smoke mixing part 400 is increased, and the smoke gas in the smoke storage chamber 210 is promoted to enter the smoke mixing part 400.

[0055] In some embodiments of the present invention, Figure 2-Figure 5As shown, the oil storage cup 220 is included, which is arranged in the smoke storage chamber 210 and below the combustion chamber 310. Specifically, the oil storage cup 220 is arranged in the smoke storage chamber 210, and the opening side of the oil storage cup 220 faces the combustion chamber 310. The smoke oil produced by the combustion in the combustion chamber 310 drips into the oil storage cup 220, and the smoke oil, debris and other combustion products are collected in a centralized manner to prevent the combustion products from contaminating the smoke storage chamber 210, and the subsequent cleaning is more convenient.

[0056] In some embodiments of the present invention, Figure 1-Figure 5 As shown, the smoke storage chamber 210 includes a detachably connected metal cover 230, and the metal cover 230 is provided with a mounting base 231 communicated with the smoke storage chamber 210, and the mounting base 231 is detachably connected to the combustion chamber 310. Specifically, in the present embodiment, the metal cover 230 has better heat resistance and heat dissipation performance, so that the smoker can be used for a long time. The metal cover 230 is screwed to the opening of the smoke storage chamber 210 by screws, so that the smoke storage chamber 210 forms a closed cavity. The combustion chamber 310 is installed on the metal cover 230 through the mounting base 231, and specifically, the combustion chamber 310 is threadedly connected to the mounting base 231 by threads. The user cleans the inside of the smoke storage chamber 210 by removing the metal cover 230.

[0057] In other embodiments, the metal cover 230 and the smoke storage chamber 210 can be magnetically attached to each other through a magnetic structure, thereby achieving tool-free disassembly and making subsequent cleaning more convenient.

[0058] In some embodiments of the present invention, Figure 2-Figure 5 As shown, a limiting portion 232 is provided on one side of the metal cover 230 close to the smoke storage chamber 210. When the metal cover 230 is connected to the smoke storage chamber 210, the limiting portion 232 fixes the position of the oil storage cup 220 to prevent the oil storage cup 220 from being displaced. Specifically, the limiting portion 232 is integrally formed with the metal cover 230, and the limiting portion 232 is arranged around the mounting base 231. The side wall of the oil storage cup 220 abuts against the side wall of the limiting portion 232. When the metal cover 230 and the smoke storage chamber 210 are installed in place, the position of the oil storage cup 220 in the smoke storage chamber 210 is fixed to prevent the installation from being incomplete.

[0059] In some embodiments of the present invention, Figure 2-Figure 5 As shown, the combustion chamber 310 includes a bucket-shaped combustion portion 311 and a channel portion 312. One end of the channel portion 312 is connected to the smoke storage chamber 210, and the other end is connected to the combustion portion 311. The opening of the combustion portion 311 gradually narrows from the top to the channel portion 312. Specifically, in this embodiment, the combustion chamber 310 is made of metal material, which can withstand higher temperatures. The top opening of the combustion chamber 310 is large, which is convenient for users to put the ignited smoking materials into the combustion portion 311.

[0060] In a further embodiment, the combustion part 311 is provided with a metal screen 313. Specifically, the metal screen 313 is made of stainless steel, which is resistant to high temperature and corrosion, and the metal screen 313 is provided with mesh holes, and the smoke oil and debris fall into the oil storage cup 220 below from the mesh holes.

[0061] In some embodiments of the present invention, Figure 1 , Figure 3 and Figure 4 As shown, the host 100 is provided with a power supply component 520 and a control panel 530. The control panel 530 is provided on the side wall of the host 100, and the control panel 530 is electrically connected to the power supply component 520 and the air blowing component 510, respectively. Specifically, the power supply component 520 adopts a structure of a built-in battery or an external battery, and the operation of the smoker is controlled by the control panel 530. The power supply component 520 supplies the air pump of the air blowing component 510 with power. The power supply structure adopted by the power supply component 520 is a technical solution well known to those skilled in the art, and will not be described in detail in this embodiment.

[0062] In some embodiments of the present invention, Figure 1-Figure 4 As shown, the main unit 100 is in a tower shape, the smoke storage chamber 210 is arranged in the upper half of the main unit 100, and the air guide chamber 500 is arranged in the lower half of the main unit 100. Specifically, the smoker in this embodiment has a tower structure, and heavy components such as the air blowing component 510 and the power supply component 520 are arranged in the lower half of the main unit 100, which can lower the center of gravity of the smoker and improve the working stability of the smoker.

[0063] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0064] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A household smoker, comprising a main unit (100) and a smoke duct (110), wherein the smoke duct (110) is detachably connected to the main unit (100); characterized in that: The host (100) comprises: A smoke storage chamber (210), wherein the smoke storage chamber (210) is provided with a combustion chamber (310) that is in communication with the smoke storage chamber (210), and smoke gas generated by combustion of smoke material in the combustion chamber (310) enters the smoke storage chamber (210); an air guide chamber (500), wherein the air guide chamber (500) is provided with an air blowing assembly (510); and A smoke mixing section (400) is provided with a smoke inlet pipe (410) communicating with the smoke storage chamber (210), an air guide pipe (420) communicating with the air guide chamber (500), and a smoke exhaust pipe (430) communicating with the smoke duct (110); The smoke inlet pipe (410) and the air guide pipe (420) are sleeved with each other, the pipe wall of the smoke inlet pipe (410) and the pipe wall of the air guide pipe (420) are arranged at intervals, the smoke mixing part (400) adopts a three-way structure, and the pipe openings of the smoke inlet pipe (410), the air guide pipe (420) and the smoke exhaust pipe (430) are coaxially arranged; When the gas of the blowing assembly (510) is blown out from the air guide pipe (420), negative pressure is formed around the air guide pipe (420), and the smoke gas in the smoke storage chamber (210) enters the smoke mixing part (400) through the smoke inlet pipe (410) and is blown out to the smoke exhaust pipe (430) along with the gas.

2. The household smoker according to claim 1, characterized in that: The air guide pipe (420) is arranged in the smoke inlet pipe (410), and an annular smoke inlet port (440) is formed between the outer wall of the air guide pipe (420) and the inner wall of the smoke inlet pipe (410).

3. The household smoker according to claim 2, characterized in that: The ratio of the width of the annular smoke inlet (440) to the radius of the air guide pipe (420) is 0.8 to 2.

0.

4. The household smoker according to claim 3, characterized in that: The pipe opening of the air guide pipe (420) close to one end of the smoke exhaust pipe (430) is in a conical diffusion shape.

5. The household smoker according to claim 1, characterized in that: It comprises an oil storage cup (220) which is arranged in the smoke storage chamber (210) and located below the combustion chamber (310).

6. The household smoker according to claim 5, characterized in that: The smoke storage chamber (210) comprises a detachably connected metal cover (230), wherein the metal cover (230) is provided with a mounting base (231) in communication with the smoke storage chamber (210), and the mounting base (231) is detachably connected to the combustion chamber (310).

7. The household smoker according to claim 6, characterized in that: A limiting portion (232) is provided on one side of the metal cover (230) close to the smoke storage chamber (210); when the metal cover (230) is connected to the smoke storage chamber (210), the limiting portion (232) fixes the position of the oil storage cup (220) to prevent the oil storage cup (220) from being displaced.

8. The household smoker according to claim 1, characterized in that: The combustion chamber (310) comprises a bucket-shaped combustion portion (311) and a channel portion (312); one end of the channel portion (312) is connected to the smoke storage chamber (210), and the other end is connected to the combustion portion (311); the opening of the combustion portion (311) gradually narrows from the top to the channel portion (312).

9. The household smoker according to claim 8, characterized in that: The combustion section (311) is provided with a metal screen (313).

10. The household smoker according to claim 1, characterized in that: The main unit (100) is in a tower shape, the smoke storage chamber (210) is arranged at the upper half of the main unit (100), and the air guide chamber (500) is arranged at the lower half of the main unit (100).

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