A dual chamber burner
The dual-chamber burner design solves the problems of inconvenient flame adjustment and clogging, enabling flexible firepower control and stable combustion, and improving the safety and efficiency of outdoor use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG XIEHENG KITCHEN CO LTD
- Filing Date
- 2025-05-26
- Publication Date
- 2026-07-21
AI Technical Summary
Existing combustion stoves are inconvenient to adjust the flame when used outdoors, and are easily blocked by carbon deposits or impurities, affecting combustion stability and safety.
It adopts a dual-chamber burner design, including a disc-shaped burner head with an internal cavity and injection tubes with different inner diameters. Combined with the inner cover of the flame distribution, anti-clogging pad and support column, it can achieve flexible adjustment of high and low flame and prevent impurities from clogging.
It improves the sensitivity of flame adjustment and the stability of combustion, reduces the risk of clogging, and enhances the user experience and lifespan.
Smart Images

Figure CN224534267U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of combustion stove technology, and in particular to a dual-chamber burner. Background Technology
[0002] Stoves, as heat energy conversion devices, are widely used in domestic heating, cooking, and outdoor work. Traditional stoves mainly rely on gas or liquid fuels to release heat through combustion. With the increasing popularity of outdoor activities, the demand for portable stoves has increased, making their structural design, combustion efficiency, and safety key areas of research and improvement.
[0003] The most common type of outdoor stove is the portable gas cylinder stove, which typically uses a gas canister to supply liquefied gas. A pressure reducing valve controls the gas output before it is delivered to the burner and ignited. The burner is usually cylindrical, offering even flame distribution and high-temperature resistance. Gas delivery often uses independent metal tubing, but its simple structure makes adjustment inconvenient. In windy outdoor environments, flame stability is limited, and carbon buildup or impurities at the bottom of the pot can easily clog the combustion zone, affecting combustion efficiency and heating performance, posing safety hazards and inconvenience to the user. Utility Model Content
[0004] The technical problem to be solved by this utility model is that single-tube stove burners have problems such as inconvenient flame adjustment and easy blockage of the combustion end by carbon deposits or impurities, which affect their combustion stability and user experience.
[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a dual-chamber burner, including a burner head, the burner head is configured as a disc-shaped structure with a built-in cavity, the top of the burner head has a first port communicating with the cavity, and the bottom of the burner head has two second ports communicating with the cavity. A flame distribution inner cover located at the top of the first port is fixedly installed on the top of the burner head, and an anti-blocking pad is fastened to the top of the flame distribution inner cover. Each of the two second ports is fastened with an injection tube, and the two injection tubes are configured with different sized openings.
[0006] As a further improvement of this utility model, the inner cover of the fire distribution is set as an inverted cylindrical structure, and multiple through holes are opened on the surrounding outer wall. Multiple support columns are fixedly connected around the top of the burner head, and the support columns are evenly distributed along the axis of the inner cover of the fire distribution.
[0007] As a further improvement of this utility model, the anti-blocking pad is configured as an inverted cap-shaped structure, with a bolt passing through the center, and is fastened to the top of the inner cover of the fire distribution unit by the bolt.
[0008] As a further improvement of this utility model, an assembly plate is fastened to the outer wall of the output end of the two injection tubes, a guide hole is opened on one side of the assembly plate, and a guide post matching the guide hole is fixedly installed at the bottom of the furnace head.
[0009] As a further improvement of this utility model, a fastening plate is provided between the bottom of the burner head and the bottom of the assembly plate, and the fastening plate is configured as a Z-shaped plate structure with assembly bolts passing through both sides. The assembly bolts are threadedly connected to the burner head and the assembly plate respectively.
[0010] As a further improvement of this utility model, the two ejection tubes include a first ejection tube and a second ejection tube, wherein the inner diameter of the first ejection tube is 0.8 mm and the inner diameter of the second ejection tube is 1.5 cm.
[0011] The beneficial effects of this invention are as follows: By setting a cavity inside the burner head and using two injection tubes of different sizes (i.e., the first injection tube and the second injection tube) to form a dual-intake structure, a separate combustion gas supply mode for high and low flames is achieved, effectively improving the sensitivity and precision of flame adjustment. Users can quickly switch the firepower mode according to their needs to meet the combustion requirements under different heating conditions. Secondly, a flame distribution inner cover is added to the top of the burner head, and an anti-clogging pad is set above the flame distribution inner cover. The pot body is supported by a support column, maintaining a reasonable gap between the bottom of the pot and the flame, forming a double protective barrier. The anti-clogging pad also prevents impurities or charcoal particles falling from the bottom of the cookware from entering the combustion chamber, reducing the occurrence of blockage and significantly improving the stability and lifespan of the burner. Attached Figure Description
[0012] Figure 1 This is an overall schematic diagram of a dual-chamber burner according to this utility model;
[0013] Figure 2 This is a top-view angle view of a dual-chamber burner according to this utility model;
[0014] Figure 3 This is a partial view of a dual-chamber burner according to this utility model;
[0015] Figure 4 This is a diagram showing part A of a dual-chamber burner according to this utility model;
[0016] As shown in the figure: 1. Burner head; 2. Inner cover of the flame distribution unit; 3. Anti-blocking pad; 4. Injection tube; 401. First injection tube; 402. Second injection tube; 5. Support column; 6. Assembly plate; 7. Guide column; 8. Fastening plate. Detailed Implementation
[0017] The directional terms such as up, down, left, right, front, back, front, back, top, and bottom mentioned or possibly mentioned in this specification are defined relative to their structure and are relative concepts. Therefore, they may vary depending on their location and usage; thus, these or other directional terms should not be interpreted as restrictive terms.
[0018] The singular forms “a,” “the,” and “the” used in this specification are intended to include the plural forms unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes one or more of the associated listed items, any or all possible combinations thereof.
[0019] To make the technical problems to be solved, the technical solutions, and the beneficial effects of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0020] This utility model provides the following: Figure 1-4 As shown, a dual-chamber burner includes a burner head 1;
[0021] As attached Figure 1 , 2 As shown in Figure 4, the burner head 1 is a disc-shaped structure with a built-in cavity. The top of the burner head 1 has a first opening communicating with the cavity, and the bottom of the burner head 1 has two second openings communicating with the cavity. A flame distribution inner cover 2 is fixedly installed at the top of the first opening on the top of the burner head 1. An anti-blocking gasket 3 is fastened to the top of the flame distribution inner cover 2. Each of the two second openings is fastened with an injection tube 4, and the two injection tubes 4 are configured with different sized openings. The two injection tubes 4 include a first injection tube 401 and a second injection tube 402, forming a dual-intake structure. The first injection tube 401 has an inner diameter of 0.8 mm for stable combustion at low flame; the second injection tube 402 has an inner diameter of 1.5 cm for rapid heating at high flame. Through the coordinated action of the injection tubes of different sizes, rapid switching and independent control of high and low flames can be achieved.
[0022] As attached Figure 2 As shown, to ensure reliable connection of the structure, assembly plates 6 are fastened to the outer walls of the output ends of the two injection tubes 4. A guide hole is provided on one side of the assembly plate 6, and a guide post 7 matching the guide hole is fixedly installed at the bottom of the burner head 1. This allows for quick docking and positioning with the burner head 1. A fastening plate 8 is abutting between the bottom of the burner head 1 and the bottom of the assembly plate 6. The fastening plate 8 is a Z-shaped plate structure with assembly bolts on both sides, which are threaded to the burner head 1 and the assembly plate 6 respectively. This reinforces the stable connection of the structure.
[0023] As attached Figure 3 ,4 As shown, the inner flame distribution cover 2 is an inverted cylindrical structure with multiple through holes on its outer wall to achieve annular flame diffusion. Multiple support columns 5 are fixedly connected around the top of the burner head 1, and these columns are evenly distributed along the axis of the inner flame distribution cover 2. The pot body can stably rest against the support columns, ensuring ventilation clearance and improving thermal efficiency and safety during combustion. The anti-clogging pad 3 is an inverted cap-shaped structure with a bolt through its center, and is securely connected to the top of the inner flame distribution cover 2. Its main function is to prevent impurities from falling directly into the flame hole area during pot body pressing, effectively preventing clogging and extending the burner head's service life.
[0024] Working Principle: In practical application, during use, gas is supplied through a gas cylinder and a pressure reducing valve. The gas is then delivered into the internal cavity of the burner head 1 via the first injection pipe 401 and the second injection pipe 402. The first injection pipe 401 has a smaller diameter and stable airflow velocity, suitable for low-fire combustion scenarios, producing a fine and uniform flame. The second injection pipe 402 has a larger inner diameter, suitable for providing a large flow of gas during high-intensity heating, achieving rapid ignition and efficient heating. Both are injected into the bottom cavity of the burner head 1 through separate second ports, connecting to the top first port. The user can ignite the area around the burner head 1 using a long-handled electronic pulse igniter. After ignition, the gas rises from the first port and diffuses evenly outward through multiple holes in the inner flame distribution cover 2, forming a ring-shaped flame structure, improving combustion uniformity and wind resistance. The anti-clogging pad 3 is fixed to the top of the inner flame distribution cover 2 and can directly contact the bottom of the pot when the pot is pressed down, isolating foreign objects and preventing impurities from falling into the flame inlet, reducing the risk of blockage in the combustion area. The boiler body is supported by evenly distributed support columns 5, which keep it at a suitable distance from the burner head 1, ensuring both oxygen supply and preventing flameout due to pressure. This adapts to the high-frequency use requirements in variable outdoor environments.
[0025] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A dual-chamber burner, comprising a burner head (1), characterized in that: The burner head (1) is configured as a disc-shaped structure with a built-in cavity. The top of the burner head (1) is provided with a first port communicating with the cavity, and the bottom of the burner head (1) is provided with two second ports communicating with the cavity. The top of the burner head (1) is fixedly provided with a flame distribution inner cover (2) located at the top of the first port. The top of the flame distribution inner cover (2) is fastened with an anti-blocking pad (3). Each of the two second ports is fastened with a jet tube (4), and the two jet tubes (4) are configured with different sized openings.
2. A dual-chamber burner according to claim 1, characterized in that: The inner cover (2) of the fire distribution is configured as an inverted cylindrical structure, and multiple through holes are provided on the outer wall around it. Multiple support columns (5) are fixedly connected around the top of the burner head (1), and the support columns (5) are evenly distributed along the axis of the inner cover (2).
3. A dual-chamber burner according to claim 2, characterized in that: The anti-blocking pad (3) is configured as an inverted cap-shaped structure, with a bolt passing through the center, and is fastened to the top of the inner cover (2) of the fire distribution through the bolt.
4. A dual-chamber burner according to claim 1, characterized in that: Assembly plates (6) are fastened to the outer walls of the output ends of the two injection tubes (4). A guide hole is provided on one side of the assembly plate (6), and a guide post (7) matching the guide hole is fixedly provided at the bottom of the furnace head (1).
5. A dual-chamber burner according to claim 4, characterized in that: A fastening plate (8) is provided between the bottom of the furnace head (1) and the bottom of the assembly plate (6), and the fastening plate (8) is set as a Z-shaped plate structure with assembly bolts on both sides. The assembly bolts are threaded to the furnace head (1) and the assembly plate (6) respectively.
6. A dual-chamber burner according to claim 1, characterized in that: The two ejection tubes (4) include a first ejection tube (401) and a second ejection tube (402), wherein the inner diameter of the first ejection tube (401) is 0.8 mm and the inner diameter of the second ejection tube (402) is 1.5 cm.