Mixing furnace
By designing a hybrid oven that integrates smoking and grilling functions, the problem of limited functionality in existing equipment has been solved, achieving a high-efficiency combination of smoking and grilling and reducing user costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-04-10
AI Technical Summary
Existing charcoal grills have limited functionality, cannot perform smoking processes, and cannot be used for charcoal grilling, which increases the user's operating costs.
Design a hybrid oven that combines a smokehouse and a charcoal grill. The smokehouse includes a rectangular shell and a perforated smoking tray, while the charcoal grill includes a charcoal rack and a grilling mesh. The smoke is generated by wood and the charcoal fire provides the heat source, thus integrating the functions of smoking and charcoal grilling.
It integrates smoking and grilling functions, improving processing efficiency and reducing equipment space occupation and user costs.
Smart Images
Figure CN121817696A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of food processing equipment, and particularly relates to a mixing furnace. BACKGROUND
[0002] In food processing methods, charcoal roasting and smoking are two food processing methods that are deeply loved by consumers. Charcoal roasting can give food a roasted, crisp taste through high-temperature roasting of food by charcoal fire; smoking can give food a unique smoked flavor and extend the shelf life of food through the smoke generated by incomplete combustion of wood; the two processing methods are different.
[0003] The existing charcoal oven is generally single-function and only has a charcoal roasting structure, and cannot realize smoking of food. If a user needs to make smoked food, the user needs to additionally purchase a smoking device, which increases the use cost of the user; similarly, the smoking oven of the user can only be used for smoking, and cannot roast food. SUMMARY
[0004] In view of the shortcomings of the above background art, the purpose of the present application is to provide a mixing furnace which realizes the functions of smoking and charcoal roasting in one device, is more practical, and does not occupy space.
[0005] To solve the above technical problems, the purpose of the present application is achieved as follows: A mixing furnace comprises a smoking furnace placed below, and a charcoal roaster arranged on the smoking furnace. The smoking furnace comprises a rectangular first shell, and the top wall and the front wall of the first shell are open; the inner surfaces of the two side walls of the first shell are respectively fixed with opposite first supporting plates; a smoking tray is placed on the two first supporting plates; the smoking tray comprises a box-shaped first bottom box, a first smoke hole is formed in the bottom wall of the first bottom box, a first smoking plate is fixed on the top surface of the first bottom box, and a second smoke hole is formed in the first smoking plate; A charcoal rack is fixedly arranged on the top of the first shell, and a charcoal tray is placed on the charcoal rack; a first roasting net is placed on the top surface of the first shell; and a charcoal roaster is fixed on the top surface of the first shell. The charcoal roaster comprises a second shell, and the bottom wall, the top wall and the front wall of the second shell are open; opposite first supporting beams are respectively fixed on the inner surfaces of the two side walls of the second shell; and a second roasting net is placed on the two first supporting beams. A first connecting plate is arranged on the top of the second shell; a hinge is mounted on the first connecting plate; and an outer cover is connected to the hinge. The outer cover comprises a cover shell, a chimney is mounted on the top of the cover shell; a hinge is connected between the cover shell and the second shell, the cover shell covers the opening on the second shell; and a first observation hole is formed in the front wall of the cover shell. The outer cover further comprises a small oven door, the small oven door is rotatably connected to the cover shell; and the small oven door covers the first observation hole.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the bottom wall of the first shell is placed with several pieces of refractory bricks.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the inner surfaces of the two side walls of the first shell are respectively fixed with two opposite second supporting plates, which are located above the first supporting plates; the first grill is placed on the two second supporting plates.
[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the front wall of the first shell is rotatably connected with a smoke door; the side edge of the smoke door is provided with a first rotating plate; The front wall of the first shell is provided with a U-shaped first hook plate; the first rotating plate is inserted into the first hook plate to realize the closure of the smoke door.
[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the bottom four corners of the first shell are respectively fixed with L-shaped supporting legs.
[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: the two supporting legs pass through the wheel shaft, and the two ends of the wheel shaft are respectively provided with rollers; the top of the first shell is provided with a handrail.
[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of first hanging holes are formed in the first connecting plate; the S-shaped hook is hung in the first hanging hole.
[0012] On the basis of the above scheme and as a preferred scheme of the above scheme: the top edge of the chimney is bent outward to form a ring-shaped first loading platform; the first cover plate is placed on the first loading platform, and the bolt passes through the first cover plate and the first loading platform and is screwed with the nut to be fixed, realizing the rotatable connection of the first cover plate. The front edge of the cover is provided with a push handle.
[0013] On the basis of the above scheme and as a preferred scheme of the above scheme: the outer side edge of the small stove door is fixed with a limiting bolt; The cover is fixed with a first rotating block; the first rotating block is U-shaped, an arc-shaped first clamping slot is formed in one side wall of the first rotating block, a semicircular column is protruded from the inner wall of the first clamping slot, and a first mounting hole is formed below the first clamping slot; the bolt is connected and fixed with the cover through the first mounting hole; The first rotating block is located on one side of the limiting bolt, the first rotating block rotates outward around the first mounting hole, the limiting bolt is inserted into the first clamping slot, and the semicircular column blocks the limiting bolt.
[0014] On the basis of the above scheme and as a preferred scheme of the above scheme: it further comprises an inverted box-shaped shelf box; opposite first insertion holes are formed in the two side walls of the shelf box, and the first insertion holes are inclined and strip-shaped. The inner wall of a first insertion hole extends outwardly to the edge to form a notch; a second insertion hole is formed on the side wall of the shelf box, and the inner wall of the second insertion hole protrudes an L-shaped hook; Further comprising two L-shaped hanging plates, one side wall of each of the two hanging plates is connected and fixed with one side wall of the first shell, and the other side wall of each of the two hanging plates protrudes an insertion column; the two insertion columns are respectively inserted into the first insertion holes, and the shelf box is fixed against the first shell.
[0015] The present application has the following prominent and beneficial technical effects compared with the prior art: Compared with the prior art, the mixed oven has the following single smoking function: the hole position smoking tray is placed on the first supporting plate, the food to be smoked is placed on the first smoking plate of the hole position smoking tray, and the wood for generating smoke is placed in the bottom of the first shell to smoke the food.
[0016] The single charcoal roasting function uses: the charcoal fire is placed in the charcoal tray and ignited, the first roasting net or the second roasting net is selected according to the food requirement, the food to be charcoal roasted is placed on the corresponding roasting net, and the cover and the small oven door are closed; the smoke generated during the charcoal roasting process is discharged through the chimney; if the second roasting net is used for charcoal roasting, the food can be kept warm.
[0017] At the same time, the smoking and charcoal roasting functions are used: the wood for generating smoke is placed at the bottom of the first shell, the charcoal fire is placed in the charcoal tray and ignited, the food to be smoked is placed on the hole position smoking tray, and the food to be charcoal roasted is placed on the first roasting net or the second roasting net; the cover and the small oven door are closed; the smoke provides smoke for smoking, and the heat generated by the charcoal fire provides heat source for charcoal roasting, so that the two processing functions are performed at the same time, and the processing efficiency is greatly improved.
[0018] The present application solves the technical problem of single function of the existing charcoal oven. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a schematic diagram of the overall explosion structure of the present application.
[0020] Figure 2 is a schematic diagram of the overall assembly structure of the present application.
[0021] Figure 3 is a schematic diagram of the overall structure of the present application.
[0022] Figure 4 is a schematic diagram of the smoking oven structure of the present application.
[0023] Figure 5 is a schematic diagram of the hole position smoking tray explosion structure of the present application.
[0024] Figure 6 is a schematic diagram of the smoking door structure of the present application.
[0025] Figure 7This is a schematic diagram of the charcoal grill structure of the present invention.
[0026] Figure 8 This is a schematic diagram of the outer casing structure of the present invention.
[0027] Figure 9 This is a schematic diagram of the first rotating block structure of the present invention.
[0028] Figure 10 This is a schematic diagram of the shelf and hanging panel structure of the present invention.
[0029] Figure 11 This is another structural schematic diagram of the present invention.
[0030] Figure 12 This is another structural schematic diagram of the present invention.
[0031] Reference numerals: Smoker 10; First housing 01; First hook plate 010; Support leg 011; Axle 012; Roller 013; Handrail 014; First support plate 02; Perforated smoking tray 03; First base box 030; First smoke hole 031; First smoking plate 032; Second smoke hole 033; Refractory brick 04; Second support plate 05; First grill 06; Smoking door 07; First rotating plate 070; Charcoal oven 20; Charcoal rack 020; Charcoal tray 0200; First grilling net 021; Second housing 022; First support beam 0220; Second grilling net 023; First connecting plate 02 4; Hinge 0240; First hanging hole 0241; S-hook 0242; Outer cover 025; Cover 0250; Hinge 0251; First observation hole 0252; Push handle 0253; Chimney 026; First platform 0260; First cover plate 0261; Small furnace door 027; Limit bolt 0270; First rotating block 028; First slot 0280; Semi-cylinder 0281; First mounting hole 0282; Shelf 029; First insertion hole 0290; Notch 0291; Second insertion hole 0292; L-hook 0293; Hanging plate 03; Insert post 030. Detailed Implementation
[0032] The present invention will be further described below with reference to the accompanying drawings and specific embodiments; This embodiment provides a hybrid oven, including a smokehouse 10 placed below, and a charcoal grill 20 provided on the smokehouse 10; thus realizing the integration of smoking and charcoal grilling. The smokehouse 10 includes a rectangular first shell 01, which is made of stainless steel plate through sheet metal processing such as bending, welding and riveting. The top wall and front wall of the first shell 01 are open to facilitate the loading and unloading of food and the flow of smoke. On the inner surfaces of the two side walls of the first housing 01, there are corresponding first support plates 02. The first support plates 02 are long strips with an L-shaped cross-section. The first support plates 02 are welded or bolted to be fixed inside the first housing 01. A smoke tray 03 with holes is placed on the two first support plates 02. The food to be smoked is placed on the smoke tray 03 for smoking. The smoke tray 03 includes a box-shaped first bottom box 030. A first smoke hole 031 is opened on the bottom wall of the first bottom box 030. A first smoke plate 032 is fixed on the top surface of the first bottom box 030. A second smoke hole 033 is opened on the first smoke plate 032. The first bottom box 030 and the first smoke plate 032 are welded together from stainless steel plates. The smoke generated by the wood flows through the first smoke hole 031 and the second smoke hole 033 and surrounds the surface of the food, so as to achieve the smoking of the food.
[0033] Preferably, the first smoking plate 032 has a plurality of second smoke holes 033 arranged in an array, which can smoke the food evenly.
[0034] A charcoal rack 020 is fixed inside the top of the first housing 01, and a charcoal tray 0200 is placed on the charcoal rack 020. The charcoal rack 020 and the charcoal tray 0200 are welded together from stainless steel plates. The charcoal rack 020 is welded and fixed inside the first housing 01, and the charcoal tray 0200 is placed on the charcoal rack 020. Charcoal is placed inside the charcoal tray 0200 to provide a heat source for smoking or grilling. A first grilling net 021 is placed on the top surface of the first housing 01. The first grilling net 021 has several diamond-shaped mesh openings. Food is placed on the first slot 0280 for grilling. A charcoal grill 20 is fixed on the top surface of the first housing 01. The charcoal grill 20 is used for grilling or secondary heating and heat preservation. The charcoal grill 20 includes a second shell 022, which is also made of stainless steel sheet through bending, riveting, and welding sheet metal processes. The bottom wall, top wall, and front wall of the second shell 022 have openings for taking out and observing food. The inner surfaces of the two side walls of the second shell 022 are respectively fixed with opposing first support beams 0220, which are long strips with an L-shaped cross section. A second grill rack 023 is placed on the two first support beams 0220. Pizzas or other cooked food that needs to be kept warm can be placed on the second grill rack 023, making it more practical.
[0035] The top of the second housing 022 is provided with a first connecting plate 024, which is a plate welded and fixed to the second housing 022 as an extension of the second housing 022; a hinge 0240 is installed on the first connecting plate 024, and the hinge 0240 is connected to the outer cover 025; the outer cover 025 can be opened and closed flexibly through the hinge 0240. The outer cover 025 comprises a cover 0250, which is also made of stainless steel plate, and a chimney 026 is mounted on the top of the cover 0250. The chimney 026 is cylindrical and welded on the cover 0250. The chimney 026 can discharge the smoke generated during the charcoal roasting process to avoid smoke accumulation. The cover 0250 is connected to the second shell 022 by a hinge 0251. The hinge 0251 has a buffering and stretching effect, which can ensure the stability of the cover 0250 opening and closing, and the cover 0250 covers the opening on the second shell 022. A first observation hole 0252 is formed in the front wall of the cover 0250, which is convenient for users to observe the processing state of the food materials. It also comprises a small oven door 027, which is also made of stainless steel plate. The small oven door 027 is rotatably connected to the cover 0250, and a rotating shaft is mounted on one side of the small oven door 027 to realize rotation. The small oven door 027 covers the first observation hole 0252. This avoids heat overflow during processing, and improves operation safety by opening the small oven door 027 for observation.
[0036] As described above, the single smoking function is used: the hole position smoking tray 03 is placed on the first supporting plate 02, the food materials to be smoked are placed on the first smoking plate 032 of the hole position smoking tray 03, and the wood material is ignited and placed in the bottom of the first shell 01 to generate smoke for smoking the food materials.
[0037] The single charcoal roasting function is used: the charcoal fire is placed in the charcoal tray 0200 and ignited, the first roasting net 021 or the second roasting net 023 is selected for use according to the food material requirement, the food materials to be charcoal roasted are placed on the corresponding roasting net, and the outer cover 025 and the small oven door 027 are closed. The smoke generated during the charcoal roasting process is discharged through the chimney 026. If the second roasting net 023 is used for charcoal roasting, the food materials can be kept warm.
[0038] The simultaneous smoking and charcoal roasting function is used: the wood material generating smoke is placed at the bottom of the first shell 01, the charcoal fire is placed in the charcoal tray 0200 and ignited, the food materials to be smoked are placed on the hole position smoking tray 03, and the food materials to be charcoal roasted are placed on the first roasting net 021 or the second roasting net 023. The outer cover 025 and the small oven door 027 are closed. The smoke upwardly provides smoke for smoking, and the heat generated by the charcoal fire upwardly provides heat source for charcoal roasting, so that the two processing functions are simultaneously performed, and the processing efficiency is greatly improved.
[0039] Further, a plurality of firebricks 04 are placed on the bottom wall of the first shell 01.
[0040] As described above, the firebricks 04 are laid on the first shell 01 to protect the first shell 01 from being damaged by high temperature for a long time.
[0041] Further, two opposite second supporting plates 05 are fixed on the inner surfaces of the two side walls of the first shell 01, and the second supporting plates 05 are located above the first supporting plate 02; the first grill 06 is placed on the two second supporting plates 05.
[0042] As described above, in order to increase the utilization rate in the first shell 01, the first grill 06 is additionally arranged in the first shell 01, and the first grill 06 is made of a rectangular frame in which a metal mesh is welded, and is used for carbon roasting food materials.
[0043] Further, the smoke door 07 is rotatably connected to the front wall of the first shell 01; the smoke door 07 is also made of a stainless steel plate and matches the opening size of the front wall of the first shell 01; the smoke door 07 is rotatably connected through a hinge 0240 or is provided with a rotating shaft to realize the rotatable connection. The side edge of the smoke door 07 is provided with a first rotating plate 070, the first rotating plate 070 is a stainless steel strip and is rotatably arranged on the smoke door 07 through bolts; the front wall of the first shell 01 is provided with a U-shaped first hook plate 010, and the first hook plate 010 is welded to the first shell 01; the first rotating plate 070 is inserted into the first hook plate 010 to realize the closing of the smoke door 07.
[0044] As described above, when the smoke door 07 needs to be closed, the smoke door 07 is rotated to be attached to the first shell 01, and the first rotating plate 070 is inserted into the first hook plate 010 to realize the closing. Conversely, the smoke door 07 is opened.
[0045] In another embodiment, the handle door lock of the cabinet body is used to replace the first rotating plate 070, and the operation is more convenient.
[0046] Further, the four corners of the bottom of the first shell 01 are respectively fixed with L-shaped supporting legs 011.
[0047] As described above, the supporting legs 011 are made of a stainless steel plate and are bent to be fixed to the bottom of the first shell 01; the supporting legs 011 play a role in supporting the first shell 01 and avoiding contact with the ground.
[0048] Further, the two supporting legs 011 pass through the wheel shaft 012, and the two ends of the wheel shaft 012 are respectively provided with the rollers 013; the top of the first shell 01 is provided with the handrails 014.
[0049] As described above, the shaft holes are formed in the supporting legs 011, the rollers 013 are respectively arranged on the two ends of the wheel shaft 012 through bearings, the rollers 013 are rubber wheels and have the functions of buffering and preventing slipping, and the first shell 01 is conveniently moved.
[0050] Further, a plurality of first hanging holes 0241 are formed in the first connecting plate 024; and the S-shaped hooks 0242 are hung in the first hanging holes 0241.
[0051] As described above, the S hook 0242 is used to hang the roasted chicken, roasted duck and other food materials, more practical.
[0052] Further, the top edge of the chimney 026 is bent outward to form a ring-shaped first carrier 0260; the first cover plate 0261 is placed on the first carrier 0260, and the bolt passes through the first cover plate 0261 and the first carrier 0260 and is screwed with the nut to be fixed, realizing the rotating connection of the first cover plate 0261. The front edge of the cover 0250 is provided with a push handle 0253. The push handle 0253 is a U-shaped stainless steel pipe, which is welded to facilitate the opening of the cover 0250.
[0053] As described above, the diameter of the first cover plate 0261 is greater than the inner diameter of the chimney; rotating the first cover plate 0261 can adjust the size of the smoke outlet of the chimney, and then adjust the temperature in the charcoal roasting chamber; The push handle 0253 is a U-shaped stainless steel pipe, which is convenient for opening and closing the cover 025; the cover 0250 covers the opening of the second shell 022, ensuring the sealing during the charcoal roasting process and improving the heat utilization rate.
[0054] Further, the outer side edge of the small oven door 027 is fixed with a limiting bolt 0270; the small oven door 027 is rotatably connected with the cover 0250 through the hinge 0240; the limiting bolt 0270 is fixed on the small oven door 027 through threaded connection; The cover 0250 is fixed with a first rotating block 028; the first rotating block 028 is a metal plate, the first rotating block is bent to be U-shaped, an arc-shaped first clamping groove 0280 is formed on one side wall of the first rotating block, a semicircular cylinder 0281 is protruded from the inner wall of the first clamping groove 0280, and a first mounting hole 0282 is formed below the first clamping groove 0280; the bolt is connected and fixed with the cover 0250 through the first mounting hole 0282; The first rotating block is located on one side of the limiting bolt 0270, the first rotating block 028 rotates outward around the first mounting hole 0282, the limiting bolt 0270 is inserted into the first clamping groove 0280, and the semicircular cylinder 0281 blocks the limiting bolt 0270.
[0055] As described above, the first rotating block is outwardly rotated to be fixed in the limiting bolt 0270, so that the small oven door 027 is fixed, and the cover 0250 can be normally opened and closed. The opening and closing directions of the small oven door 027 and the cover 0250 are perpendicular to each other.
[0056] In another embodiment, the handle door lock of the cabinet is used instead of the limiting bolt 0270, which is more convenient to operate.
[0057] Further, the box-shaped shelf 029 is inverted; the two side walls of the shelf 029 are respectively provided with opposite first insertion holes 0290, and the first insertion holes 0290 are inclined long strips; the shelf 029 is made of stainless steel plate, and the first insertion holes 0290 are inclined at an angle of 30-45 degrees; The inner wall of the first insertion hole 0290 extends outward to the edge to form a notch 0291; the notch 0291 facilitates insertion and removal; The second insertion hole 0292 is arranged on the side wall of the shelf 029, and the inner wall of the second insertion hole 0292 is provided with an L-shaped hook 0293; the L-shaped hook 0293 can be used to hang cooking tools; The two L-shaped hanging plates 03 are connected and fixed to one side wall of the first shell 01, and the other side wall of the hanging plate 03 is provided with an insertion column 030; the two insertion columns 030 are respectively inserted into the first insertion holes 0290, and the shelf 029 is fixed to the first shell 01.
[0058] As described above, when disassembling, the shelf 029 is only lifted upward, and the inserted part is removed from the notch 0291.
[0059] In the description of the present application, it should be understood that the terms "up", "down", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly understood by those skilled in the art, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0060] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the present application, unless otherwise specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; The above embodiments are only preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application shall be covered within the protection scope of the present application.
Claims
1. A hybrid furnace characterized by: The smoke furnace is arranged below the charcoal grill. The smoke furnace comprises a rectangular first shell, and the top wall and the front wall of the first shell are open. The inner surfaces of the two side walls of the first shell are respectively provided with opposite first supporting plates. The two first supporting plates are provided with hole positions for placing smoking trays. The hole position smoking tray comprises a box-shaped first bottom box, and the bottom wall of the first bottom box is provided with a first smoke hole. The top surface of the first bottom box is fixed with a first smoking plate, and the first smoking plate is provided with a second smoke hole. The top of the first shell is internally fixed with a charcoal rack, and the charcoal rack is provided with a charcoal tray.
2. The hybrid furnace of claim 1, wherein: The top surface of the first shell is provided with a first baking net.
3. The hybrid furnace of claim 1, wherein: The top surface of the first shell is fixed with a charcoal grill.
4. The hybrid furnace of claim 1, wherein: The charcoal grill comprises a second shell, and the bottom wall, the top wall and the front wall of the second shell are open. The inner surfaces of the two side walls of the second shell are respectively fixed with opposite first supporting beams.
5. The hybrid furnace of claim 1, wherein: The two first supporting beams are provided with a second baking net.
6. The hybrid furnace of claim 5, wherein: The top of the second shell is provided with a first connecting plate.
7. The hybrid furnace of claim 1, wherein: The first connecting plate is provided with a hinge, and the hinge is connected with an outer cover.
8. The hybrid furnace of claim 1, wherein: The outer cover comprises a cover shell, and the top of the cover shell is provided with a chimney. The cover shell and the second shell are connected with a hinge, and the cover shell covers the opening of the second shell.
9. The hybrid furnace of claim 1, wherein: The front wall of the cover shell is provided with a first observation hole. The outer side edge of the small stove door is fixed with a limiting bolt. The bottom wall of the first shell is provided with a plurality of refractory bricks.
10. The hybrid furnace of claim 1, wherein: The inner surfaces of the two side walls of the first shell are respectively fixed with two opposite second supporting plates, and the second supporting plates are located above the first supporting plates. The two second supporting plates are provided with a first grill. The front wall of the first shell is rotatably connected with a smoking door. The side edge of the smoking door is provided with a first rotating plate. The front wall of the first shell is provided with a U-shaped first hook plate. The first rotating plate is inserted into the first hook plate to realize the closure of the smoking door. The bottom corners of the first shell are respectively fixed with L-shaped supporting legs. The two supporting legs pass through an axle, and the two ends of the axle are respectively provided with rollers. The top of the first shell is provided with a handrail. The first connecting plate is provided with a plurality of first hanging holes. The S-shaped hook is hung in the first hanging hole. The top edge of the chimney is outwardly bent to extend to form a ring-shaped first loading platform. The top edge of the chimney is outwardly bent to extend to form a ring-shaped first loading platform. The front edge of the cover shell is provided with a push handle. The outer side edge of the small stove door is fixed with a limiting bolt. The cover shell is fixed with a first rotating block. The first rotating block is bent to be U-shaped, and the side wall of the first rotating block is provided with an arc-shaped first clamping groove. The inner wall of the first clamping groove is protruded with a semicircular column. The lower part of the first clamping groove is provided with a first mounting hole. The first rotating block is located on one side of the limiting bolt. The first rotating block is outwardly rotated around the first mounting hole. The limiting bolt is inserted into the first clamping groove. The semicircular column blocks the limiting bolt. The box-shaped supporting box is also provided. The two side walls of the supporting box are respectively provided with opposite first insertion holes. The inner wall of the first insertion hole is outwardly extended to the edge to form a notch. The side wall of the supporting box is provided with a second insertion hole. The inner wall of the second insertion hole is protruded with an L-shaped hook. The two hanging plates are connected with the side wall of the first shell body, and the other side wall of the hanging plate projects with a plug post; the two plug posts are respectively inserted into the first plug hole, and the box is fixed on the first shell body.