L-shaped burner and cooking equipment

Abstract

The utility model relates to the technical field of combustors, in particular to an L-shaped combustor. An L-shaped combustor comprises a combustor body which is of an L-shaped tubular structure. One end of the burner body is an open end, and the other end of the burner body is a sealed end. A plurality of combustion holes penetrating into the combustor main body are formed in the combustor main body; the gas input pipe comprises a gas inlet part, a gas outlet part and a Venturi structure for communicating the gas inlet part with the gas outlet part; the gas outlet part is communicated with the opening end of the burner main body and is in sealed connection with the burner main body; the air inlet part is provided with at least three ventilation openings penetrating into the air inlet part. And the mounting assembly is used for fixedly mounting the L-shaped combustor on external equipment. The L-shaped combustor has the advantages of being simple in structure, convenient to install, high in power and high in combustion efficiency. The utility model further provides cooking equipment which comprises a cooking main body, an ignition device and the L-shaped burner.

Description

Technical Field

[0001] The utility model relates to the technical field of burners, in particular to an L-shaped burner and cooking equipment. Background Art

[0002] Tube burners are widely used in household and commercial cooking equipment, such as gas stoves, ovens, etc. At present, most tube burners on the market are low-power burners, which are suitable for cooking equipment with general temperature rise requirements. However, in cooking equipment with higher temperature rise requirements, low-power burners often cannot meet the needs, so it is necessary to combine multiple burners to achieve this.

[0003] However, there are some drawbacks in the method of combining multiple low-power burners: first, it increases costs. It is necessary to purchase and install multiple burners and their related pipes and accessories, which not only increases the purchase cost, but also increases the installation cost; second, the installation is complicated. Assembling multiple low-power burners together undoubtedly increases the difficulty and time cost of installation. The above drawbacks are what technicians in this field expect to overcome. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides an L-shaped burner, which has the advantages of simple structure, convenient installation, high combustion efficiency and high power.

[0005] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0006] An L-shaped burner, comprising:

[0007] The burner body is an L-shaped tubular structure; one end of the burner body is an open end and the other end is a sealed end; the burner body is provided with a plurality of combustion holes penetrating into the interior of the burner body;

[0008] The gas input pipe comprises an air inlet, an air outlet and a venturi structure connecting the air inlet and the air outlet; the air outlet is connected to the open end of the burner body and is sealed with the burner body; the air inlet is provided with at least three vents penetrating into the interior of the air inlet; and

[0009] The mounting assembly is used to fix the L-shaped burner to an external device.

[0010] By setting a gas input pipe including an air inlet, an air outlet and a venturi structure, the venturi structure connects the air inlet and the air outlet, and the venturi structure can pressurize the mixed gas to ensure that the mixed gas can be delivered to the end of the L-shaped burner, thereby improving the combustion efficiency and thermal energy utilization. By providing at least three vents in the air inlet of the gas input pipe, and the vents penetrate into the interior of the air inlet, the air supply can be increased, so that more air is mixed into the combustion process, the combustion efficiency is improved, and the power of the L-shaped burner is increased; at the same time, the increase in air supply can also make the gas burn more fully in the later stage, avoiding the generation of harmful gases and residual substances. By setting the installation assembly, the L-shaped burner can be quickly assembled and disassembled with external equipment, which is convenient for replacement or daily maintenance when necessary.

[0011] Furthermore, the burner body includes a first combustion tube, a second combustion tube and a connecting elbow connecting the first combustion tube and the second combustion tube; the first combustion tube, the connecting elbow and the second combustion tube are arranged in an L-shaped structure.

[0012] Preferably, the first combustion tube is provided with a plurality of first combustion holes that penetrate into the interior of the first combustion tube; the first combustion holes on the first combustion tube are arranged in a row; the first combustion tube has a plurality of rows of first combustion holes; each row of first combustion holes is arranged along the length direction of the first combustion tube; the second combustion tube is provided with a plurality of second combustion holes that penetrate into the interior of the second combustion tube; the second combustion holes on the second combustion tube are arranged in a row; the second combustion tube has a plurality of rows of second combustion holes; each row of second combustion holes is arranged along the length direction of the second combustion tube; the connecting bend is provided with a plurality of third combustion holes that penetrate into the interior of the connecting bend; the third combustion holes on the connecting bend are arranged in a row; the connecting bend has a row of third combustion holes; the third combustion holes are arranged along the bending direction of the connecting bend.

[0013] This allows the gas to be fully mixed with the air again before combustion, so that the L-shaped burner can burn more fully, improve combustion efficiency, greatly reduce the generation of harmful gases such as carbon monoxide, and increase the power of the L-shaped burner.

[0014] Furthermore, the Venturi structure is provided with a contraction section and an expansion section in sequence along the direction from the air inlet to the air outlet. Preferably, the Venturi structure further includes reinforcing ribs; the reinforcing ribs are provided on both sides of the contraction section and the expansion section and are used to connect the contraction section and the expansion section.

[0015] Furthermore, an inner thread is provided on the inner wall from one end of the air inlet away from the air outlet to the vent, so that the staff or the user can easily install and remove the L-shaped burner from the external gas supply equipment, and the connection is firm and not easy to loosen.

[0016] Furthermore, the mounting assembly includes a first mounting member slidably mounted on the outside of the gas outlet and a second mounting member arranged at the sealing end of the burner body; the first mounting member is provided with a first mounting hole for connecting with an external device; the second mounting member is provided with a second mounting hole for connecting with an external device; the first mounting member is also provided with a second through hole for the gas outlet to pass through; the aperture of the second through hole is equal to the outer diameter of the gas outlet. The stability and reliability of the assembly of the L-shaped burner and the external device can be improved.

[0017] Furthermore, it also includes a damper regulator; the damper regulator is sleeved on the outside of the air inlet and is rotatably connected to the air inlet; a third through hole is opened at one end of the damper regulator close to the air inlet port; the damper regulator is also opened with a damper hole, which corresponds to the vent. Flexible adjustment of air supply is achieved to adapt the burner to different working conditions and requirements.

[0018] Preferably, the air inlet portion is provided with a first through hole; the air damper adjuster is provided with a waist-shaped hole; and a screw passes through the waist-shaped hole and the first through hole in sequence to fix the air damper adjuster to the outside of the air inlet portion.

[0019] The utility model also provides a cooking device, comprising a cooking body, an ignition device and an L-shaped burner as described above; the ignition device and the L-shaped burner are both installed inside the cooking body; the ignition device comprises an ignition needle, the end of which faces the combustion hole on the burner body. The L-shaped burner can be quickly removed from the cooking device for replacement or maintenance, which is convenient for replacement or maintenance of the L-shaped burner when necessary.

[0020] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0021] The L-shaped burner of the utility model is provided with a gas input pipe including an air inlet, an air outlet and a venturi structure. The venturi structure connects the air inlet and the air outlet. The venturi structure can pressurize the mixed gas to ensure that the mixed gas can be delivered to the end of the L-shaped burner, thereby improving the combustion efficiency and increasing the power of the L-shaped burner. By providing at least three vents in the air inlet of the gas input pipe, and the vents penetrate into the interior of the air inlet, the air supply can be increased, so that more air is mixed into the combustion process, the combustion efficiency is improved, and the power of the L-shaped burner is increased; at the same time, the increase in air supply can also make the gas burn more fully in the later stage, avoiding the generation of harmful gases and residual substances. By providing an installation component, the L-shaped burner can be quickly assembled and disassembled with external equipment, which is convenient for replacement or daily maintenance when necessary. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1This is a schematic diagram of the overall structure of an L-shaped burner according to an embodiment of the utility model;

[0023] Figure 2 for Figure 1 The enlarged schematic diagram of point A in the middle;

[0024] Figure 3 This is a schematic diagram of the structural decomposition of an L-shaped burner according to an embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of an L-shaped burner installed in a cooking device according to an embodiment of the utility model;

[0026] Figure 5 This is a partial structural schematic diagram of an L-shaped burner installed in a cooking device according to an embodiment of the utility model.

[0027] [Explanation of the accompanying drawings] 1. Burner body; 11. First combustion tube; 111. First combustion hole; 12. Second combustion tube; 121. Second combustion hole; 13. Connecting elbow; 131. Third combustion hole; 2. Gas input pipe; 21. Air inlet; 22. Air outlet; 23. Venturi structure; 231. Contraction section; 232. Expansion section; 233. Reinforcement rib; 24. Ventilation port; 25. Internal thread; 26. First through hole; 3. Mounting assembly; 31. First mounting part; 311. First mounting hole; 312. Second through hole; 32. Second mounting part; 321. Second mounting hole; 4. Air damper adjuster; 41. Third through hole; 42. Air damper hole; 43. Waist-shaped hole; 5. Screw; 6. Cooking body; 7. Ignition device; 71. Ignition needle. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] See also Figures 1 to 3, is an L-shaped burner of an embodiment of the utility model, the L-shaped burner comprises a burner body 1, a gas inlet pipe 2, a mounting assembly 3 and a damper regulator 4; the burner body 1 is an L-shaped tubular structure, one end of which is an open end and the other end is a sealed end; a plurality of combustion holes are opened on the burner body 1, and the combustion holes penetrate into the interior of the burner body 1; the gas inlet pipe 2 is connected to the open end of the burner body 1, and in this embodiment, the gas inlet pipe 2 and the burner body 1 can be sealed by a welding process; the mounting assembly 3 is used to fix the L-shaped burner on an external device; the damper regulator 4 is sleeved on the air inlet end of the gas inlet pipe 2, and the damper regulator 4 is rotatably connected to the gas inlet pipe 2.

[0031] The burner body 1 includes a first combustion tube 11, a second combustion tube 12 and a connecting elbow 13; the connecting elbow 13 connects the first combustion tube 11 and the second combustion tube 12; the first combustion tube 11, the connecting elbow 13 and the second combustion tube 12 are arranged in an L-shaped structure; in this embodiment, the first combustion tube 11, the second combustion tube 12 and the connecting elbow 13 can be sealed and connected by welding process.

[0032] The first combustion tube 11 is provided with a plurality of first combustion holes 111, which penetrate into the interior of the first combustion tube 11; the first combustion holes 111 on the first combustion tube 11 are arranged in a row; the first combustion tube 11 has a plurality of rows of first combustion holes 111; each row of first combustion holes 111 is arranged along the length direction of the first combustion tube 11. The second combustion tube 12 is provided with a plurality of second combustion holes 121, which penetrate into the interior of the second combustion tube 12; the second combustion holes 121 on the second combustion tube 12 are arranged in a row; the second combustion tube 12 has a plurality of rows of second combustion holes 121; each row of second combustion holes 121 is arranged along the length direction of the second combustion tube 12. The connecting elbow 13 is provided with a plurality of third combustion holes 131, which penetrate into the interior of the connecting elbow 13; the third combustion holes 131 on the connecting elbow 13 are arranged in a row; the connecting elbow 13 has a row of third combustion holes 131; the third combustion holes 131 are arranged along the bending direction of the connecting elbow 13. Preferably, the apertures of the first combustion hole 111, the second combustion hole 121 and the third combustion hole 131 are equal. By providing a plurality of rows of first combustion holes 111 in the first combustion tube 11 and a plurality of rows of second combustion holes 121 in the second combustion tube 12, the gas can be fully mixed with the air again before combustion, so that the combustion of the L-type burner is more complete, the combustion efficiency is improved, the generation of harmful gases such as carbon monoxide is greatly reduced, and the power output of the L-type burner is improved. At the same time, it can also avoid the situation of uneven distribution of local airflow, thereby avoiding the phenomenon of large pressure reduction, and the flame state of the L-type burner is stable and evenly distributed, and it is not easy to have a flashback phenomenon.

[0033] The gas input pipe 2 includes an air inlet 21, an air outlet 22 and a venturi structure 23; the venturi structure 23 connects the air inlet 21 and the air outlet 22; the air inlet 21 is connected to the gas delivery port of the external gas supply device; the air outlet 22 is connected to the open end of the burner body 1. In this embodiment, the air outlet 22 and the burner body 1 can be sealed by welding. Among them, the venturi structure 23 can pressurize the mixed gas to ensure that the mixed gas can be delivered to the end of the L-shaped burner, thereby improving the combustion efficiency.

[0034] Specifically, the air intake 21 is provided with at least three vents 24, and the vents 24 penetrate the interior of the air intake 21. In the present embodiment, the air intake 21 is provided with three vents 24, which can increase the air supply, so that more air is mixed into the combustion process, improve the combustion efficiency, and increase the power output of the L-shaped burner. In addition, increasing the air supply can also make the gas burn more fully in the later stage, thereby avoiding the generation of harmful gases and residual substances. In other embodiments, the air intake 21 can also be provided with four vents 24 or five vents 24, so it is not limited thereto.

[0035] Preferably, the vents 24 are evenly arranged on the air inlet 21. An internal thread 25 is also provided on the inner wall of the air inlet 21 from one end away from the air outlet 22 to the vent 24, which facilitates the installation and removal of the L-shaped burner and the external gas supply equipment, and the connection is firm and not easy to loosen.

[0036] The venturi structure 23 includes a contraction section 231, an expansion section 232 and a reinforcing rib 233; the contraction section 231 and the expansion section 232 are arranged in sequence along the direction from the air inlet 21 to the air outlet 22; the reinforcing rib 233 is arranged on both sides of the outside of the contraction section 231 and the expansion section 232, and is used to connect the contraction section 231 and the expansion section 232, which is beneficial to strengthen the strength and rigidity of the venturi structure 23 and improve the overall structural stability of the venturi structure 23.

[0037] The mounting assembly 3 includes a first mounting member 31 and a second mounting member 32; the first mounting member 31 is slidably mounted on the outside of the gas outlet 22; the first mounting member 31 is provided with a first mounting hole 311 and a second through hole 312; the first mounting hole 311 is used to connect with an external device, so that the L-shaped burner is easy to disassemble and install; the second through hole 312 is used for the gas outlet 22 to pass through, and the aperture of the second through hole 312 is equal to the outer diameter of the gas outlet 22. The second mounting member 32 is arranged at the sealing end of the burner body 1; the second mounting member 32 is provided with two second mounting holes 321, which are used to connect with an external device, so that the L-shaped burner is easy to disassemble and install. Preferably, the second mounting member 32 and the burner body 1 are integrally formed.

[0038] The damper regulator 4 is sleeved on the outside of the air intake part 21 and is rotatably connected to the air intake part 21. A third through hole 41 is provided at one end of the damper regulator 4 close to the port of the air intake part 21. The damper regulator 4 is provided with a damper hole 42 corresponding to the vent 24 on the air intake part 21. The damper regulator 4 is provided with a waist-shaped hole 43, and correspondingly, the air intake part 21 is provided with a first through hole 26. The damper regulator 4 is fixed to the outside of the air intake part 21 by passing through the waist-shaped hole 43 and the first through hole 26 in sequence. By rotating the damper regulator 4, the size of the vent 24 can be adjusted, thereby adjusting the amount of air supply entering the L-shaped burner, realizing flexible adjustment of the air supply, so that the L-shaped burner can adapt to different working conditions and needs.

[0039] The L-shaped burner has a simple structure, and the gas burns fully, which improves the combustion efficiency and power output and reduces the generation of harmful gases. It can also be quickly assembled and disassembled with external equipment, which is convenient for replacement or daily maintenance when necessary, and is highly practical.

[0040] Please also read Figure 4 and Figure 5 The present embodiment also provides a cooking device, which includes a cooking body 6, an ignition device 7, and an L-shaped burner as described above. The ignition device 7 and the L-shaped burner are both installed inside the cooking body 6; the ignition device 7 includes an ignition needle 71, and the end of the ignition needle 71 faces the combustion hole on the burner body 1. In the present embodiment, the cooking device is a pizza oven. Of course, the cooking device can also be other cooking devices on which the L-shaped burner can be applied. The L-shaped burner and the cooking device can be quickly installed and disassembled, and the disassembly and assembly steps are simple and the time required is short, which is convenient for rapid replacement or maintenance when necessary. The cooking device can quickly reach the required cooking temperature, thereby shortening the cooking time.

[0041] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An L-shaped burner, characterized in that: include: The burner body (1) is an L-shaped tubular structure; one end of the burner body (1) is an open end and the other end is a sealed end; the burner body (1) is provided with a plurality of combustion holes penetrating into the interior of the burner body (1); A gas input pipe (2), comprising an air inlet (21), an air outlet (22), and a venturi structure (23) connecting the air inlet (21) and the air outlet (22); the air outlet (22) is connected to an open end of a burner body (1) and is sealed to the burner body (1); the air inlet (21) is provided with at least three ventilation openings (24) penetrating into the interior of the air inlet (21); and The mounting assembly (3) is used to fix the L-shaped burner to an external device.

2. An L-shaped burner according to claim 1, characterized in that: The burner body (1) comprises a first combustion tube (11), a second combustion tube (12) and a connecting elbow (13) connecting the first combustion tube (11) and the second combustion tube (12); the first combustion tube (11), the connecting elbow (13) and the second combustion tube (12) are arranged in an L-shaped structure.

3. An L-shaped burner according to claim 2, characterized in that: The first combustion tube (11) is provided with a plurality of first combustion holes (111) penetrating into the interior of the first combustion tube (11); the first combustion holes (111) on the first combustion tube (11) are arranged in a row; the first combustion tube (11) has a plurality of rows of first combustion holes (111); each row of first combustion holes (111) is arranged along the length direction of the first combustion tube (11); The second combustion tube (12) is provided with a plurality of second combustion holes (121) penetrating into the interior of the second combustion tube (12); the second combustion holes (121) on the second combustion tube (12) are arranged in a row; the second combustion tube (12) has a plurality of rows of second combustion holes (121); each row of second combustion holes (121) is arranged along the length direction of the second combustion tube (12); The connecting bend pipe (13) is provided with a plurality of third combustion holes (131) penetrating into the interior of the connecting bend pipe (13); the third combustion holes (131) on the connecting bend pipe (13) are arranged in a row; the connecting bend pipe (13) has a row of third combustion holes (131); and the third combustion holes (131) are arranged along the bending direction of the connecting bend pipe (13).

4. An L-shaped burner according to claim 1, characterized in that: The Venturi structure (23) is provided with a contraction section (231) and an expansion section (232) in sequence along a direction from the air inlet (21) toward the air outlet (22).

5. An L-shaped burner according to claim 4, characterized in that: The Venturi structure (23) further comprises reinforcing ribs (233); the reinforcing ribs (233) are arranged on both sides of the contraction section (231) and the expansion section (232) and are used to connect the contraction section (231) and the expansion section (232).

6. An L-shaped burner according to claim 1, characterized in that: An internal thread (25) is provided on the inner wall of the air inlet (21) from one end away from the air outlet (22) to the vent (24).

7. An L-shaped burner according to claim 1, characterized in that: The mounting assembly (3) comprises a first mounting member (31) slidably mounted on the outside of the air outlet (22) and a second mounting member (32) arranged on the sealing end of the burner body (1); the first mounting member (31) is provided with a first mounting hole (311) for connecting to an external device; the second mounting member (32) is provided with a second mounting hole (321) for connecting to an external device; the first mounting member (31) is also provided with a second through hole (312) for the air outlet (22) to pass through; the aperture of the second through hole (312) is equal to the outer diameter of the air outlet (22).

8. An L-shaped burner according to claim 1, characterized in that: The air damper (4) is also provided. The air damper (4) is sleeved on the outside of the air intake portion (21) and is rotatably connected to the air intake portion (21). A third through hole (41) is provided at one end of the air damper (4) close to the port of the air intake portion (21). The air damper (4) is also provided with an air damper hole (42), which corresponds to the vent (24).

9. An L-shaped burner according to claim 8, characterized in that: The air intake portion (21) is provided with a first through hole (26); the air damper regulator (4) is provided with a waist-shaped hole (43); a screw (5) passes through the waist-shaped hole (43) and the first through hole (26) in sequence to fix the air damper regulator (4) to the outside of the air intake portion (21).

10. A cooking device, characterized in that: It comprises a cooking body (6), an ignition device (7) and an L-shaped burner as claimed in any one of claims 1 to 9; the ignition device (7) and the L-shaped burner are both installed inside the cooking body (6); the ignition device (7) comprises an ignition needle (71), the end of which faces the combustion hole on the burner body (1).

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