Double-layer pot rack

Abstract

The utility model discloses a double-layer pot rack which comprises a pot rack body. The pot supporting legs are used for supporting the pot; a first flow guide face is arranged on the inner edge of the pot rack body and faces a burner fire cover hole, and a flaring structure with the large upper portion and the small lower portion is defined by the first flow guide face so that air from bottom to top can be fully premixed with mixed gas sprayed out of the burner fire cover hole. The burner is novel in structure, can guide secondary air to be in contact with mixed gas, and is large in contact area, so that secondary premixing is more sufficient, combustion is more complete, and the undesirable phenomena of red fire, smoke rising and the like are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas appliances, in particular to a double-layer pot rack. Background Art

[0002] Currently, a pot rack is usually placed on a gas stove to concentrate the burning flame and support the pot, thereby heating the pot.

[0003] When the existing boiler rack is in use, the primary air mixed with the gas is ejected from the burner's fire cover hole and ignited by the ignition device. The secondary air under the boiler rack flows to the burner to form a flame. However, it has the following defects: the secondary air flows upward irregularly after passing through the central hole of the boiler rack, and the contact area with the mixed gas is small, resulting in insufficient premixing, affecting the combustion conditions, and causing undesirable phenomena such as red flames and rising smoke.

[0004] The existing patent document (publication number: CN218721738U) discloses "an energy-gathering pot rack", which also has the above-mentioned technical problems. Summary of the Invention

[0005] The purpose of the utility model is to solve the above-mentioned technical problems existing in the prior art and provide a double-layer pot rack with a novel structure, which can guide the secondary air to contact with the mixed gas with a large contact area, so that the secondary premixing is more sufficient and the combustion is more complete, avoiding undesirable phenomena such as red fire and rising smoke.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A double-layer pot stand comprises a pot stand body and pot legs for supporting the pot. The stand body is characterized by a first guide surface disposed on its inner edge, facing the burner cap hole. The first guide surface is configured to form a flared structure with a larger top and smaller bottom, allowing for sufficient premixing of air from below with the mixed gas ejected from the burner cap hole. This novel pot stand structure guides secondary air into contact with the mixed gas, resulting in a large contact area, ensuring more complete premixing and combustion, while avoiding undesirable phenomena such as red flames and rising smoke.

[0008] Furthermore, the pot rack body includes an upper plate and a lower plate. The pot rack body adopts a split design, which is convenient for separate manufacturing. Compared with the one-piece molding process, the manufacturing process requirements are reduced; an insulating cavity is formed between the upper plate and the lower plate, and most of the heat generated during combustion is retained in the insulating cavity. The air layer in the insulating cavity plays a role in heat preservation and insulation, which can prevent heat from escaping to the surroundings, thereby reducing the heat radiation generated to the operator, and avoiding burns caused by excessive temperature on the glass table and knob.

[0009] Furthermore, a second guide surface, lower inside and higher outside, is formed on the side of the upper plate facing the cookware, guiding the smoke flow at a relatively gentle rate. The lower portion of the second guide surface connects to the higher portion of the first guide surface, forming an open energy-gathering cavity. This cavity helps to gather high-temperature combustion smoke, reducing heat loss caused by the radiation of heat energy from the pot support body, thereby improving thermal energy utilization.

[0010] Furthermore, the upper and lower discs are connected by hemming, which is achieved through a stamping hard forming process with high stamping efficiency, saving labor time and manufacturing costs compared to traditional welding processes.

[0011] Furthermore, the upper plate wraps around the outer edge of the lower plate through an outer rim; and / or the upper plate wraps around the inner edge of the lower plate through an inner rim. This ensures that the upper plate is fixed to the lower plate in a limited position, the connection is reliable, and the upper and lower plates cannot be freely separated, thereby ensuring the structural stability of the pot rack body.

[0012] Furthermore, a reinforcement portion is formed on the upper protrusion of the side of the lower disk facing the insulation cavity, which improves the structural strength of the lower disk and can significantly improve the overall rigidity after the edging connection, avoiding deformation and abnormal noise caused by heating during handling and burning.

[0013] Furthermore, the pot legs pass through and are fixedly connected to the upper plate and the lower plate, and the three are connected as one, forming a mutually restraining relationship. On the one hand, the installation stability of the pot legs is improved, and on the other hand, the pot legs can limit the free loosening of the upper plate and the lower plate, thereby improving the connection reliability between the upper plate and the lower plate; an air supply space is formed between the pot legs and the bottom of the lower plate, which is conducive to the full combustion of the gas.

[0014] The utility model has the following beneficial effects due to the adoption of the above technical solution:

[0015] 1. When in use, the mixture of primary air and gas is ejected from the burner fire cover hole and diffuses outward. The secondary air under the lower plate flows upward through the central hole of the pot frame body and diffuses upward through the flared structure, guiding the secondary air to contact with the mixture. The large contact area makes the secondary premixing more sufficient and the combustion more complete, avoiding undesirable phenomena such as red flames and rising smoke.

[0016] 2. The upper and lower discs are connected by edging, which adopts stamping hard forming process. The stamping efficiency is high, which saves labor time and manufacturing costs compared with traditional welding process.

[0017] 3. An insulating cavity is formed between the upper and lower plates. Most of the heat generated during combustion is retained in the insulating cavity. The air layer in the insulating cavity plays a role in heat preservation and insulation, which can prevent heat from escaping to the surroundings, thereby reducing the heat radiation generated to the operator and avoiding burns caused by excessive temperature on the glass table and knobs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings:

[0019] Figure 1 This is a structural diagram of a double-layer pot rack of the utility model;

[0020] Figure 2 This is a schematic diagram of the utility model used in conjunction with a burner;

[0021] Figure 3 This is a schematic diagram of the internal structure of the pot rack body in the present utility model;

[0022] Figure 4 This is a schematic structural diagram of the heat-insulating cavity in the present invention;

[0023] Figure 5 This is a schematic diagram of the structure of the lower disk of the utility model;

[0024] Figure 6 It is a structural schematic diagram of the upper disk of the utility model.

[0025] In the figure: 1-pot stand body; 2-pot support leg; 3-center hole; 4-upper plate; 5-lower plate; 6-insulating cavity; 7-outer edging; 8-inner edging; 9-reinforcement part; 10-first guide surface; 11-burner fire cover hole; 12-second guide surface. DETAILED DESCRIPTION

[0026] like Figure 1 As shown, a double-layer pot rack of the present invention comprises: a pot rack body 1 and pot legs 2. The pot rack body 1 is provided with a central hole 3. The flame generated by the burner during operation passes through the central hole 3 and contacts the bottom of the pot to heat the pot.

[0027] The pot rack body 1 includes an upper plate 4 and a lower plate 5. The pot rack body 1 adopts a split design, which is convenient for separate manufacturing. Compared with the one-piece molding process, the manufacturing process requirements are reduced.

[0028] like Figure 3 As shown, an insulating cavity 6 is formed between the upper plate 4 and the lower plate 5. Most of the heat generated during combustion is retained in the insulating cavity 6. The air layer in the insulating cavity 6 plays a role in heat preservation and insulation, which can prevent heat from escaping to the surroundings, thereby reducing the heat radiation generated to the operator and avoiding burns caused by excessive temperature on the glass table and knob.

[0029] The upper disk 4 and the lower disk 5 are connected by edging, which adopts a stamping hard forming process with high stamping efficiency. Compared with the traditional welding process, it saves labor time and manufacturing costs.

[0030] like Figure 4 and Figure 6 As shown, the upper pan 4 wraps around the outer edge of the lower pan 5 via an outer rim 7, and the upper pan 4 wraps around the inner edge of the lower pan 5 via an inner rim 8, thereby securing the upper pan 4 to the lower pan 5. This secures the connection and prevents the upper and lower pans 4 and 5 from separating, ensuring the structural stability of the pot stand body 1. Depending on the actual situation, the design can be adjusted to include connecting only the outer rim 7, only the inner rim 8, or both the outer rim 7 and the inner rim 8.

[0031] like Figure 5 As shown, a reinforcement portion 9 is formed on the upper protrusion of the side of the lower disk 5 facing the heat-insulating cavity 6, which improves the structural strength of the lower disk 5 and can significantly improve the overall rigidity after the edging connection, avoiding deformation and abnormal noise caused by heating during handling and burning.

[0032] The pot leg 2 is used to support the pot. The pot leg 2 passes through and is welded to the upper plate 4 and the lower plate 5. The three are connected as one, forming a mutual restraint relationship. On the one hand, the installation stability of the pot leg 2 is improved. On the other hand, the pot leg 2 can limit the free loosening of the upper plate 4 and the lower plate 5, thereby improving the connection reliability between the upper plate 4 and the lower plate 5; an air supply space is formed between the pot leg 2 and the bottom of the lower plate 5, which is conducive to the full combustion of the gas.

[0033] The inner edge of the pot rack body 1 protrudes upward to form a first guide surface 10, which is inclined toward the burner fire cover hole 11. The first guide surface 10 is arranged to form a flared structure with a larger upper part and a smaller lower part. The smallest diameter of the flared structure is the center hole 3.

[0034] like Figure 2 As shown, when in use, the mixture of primary air and gas is ejected from the burner fire cover hole 11 and diffuses outward. The secondary air below the lower plate 5 flows upward through the central hole 3 of the pot rack body 1 and diffuses upward through the flared structure, guiding the secondary air to contact with the mixture. The contact area is large, making the secondary premixing more sufficient and the combustion more complete, avoiding undesirable phenomena such as red flames and rising smoke.

[0035] A second guide surface 12 is formed on the side of the upper plate 4 facing the cookware, with a lower interior and a higher exterior. The lower and upper portions of the second guide surface 12 are connected by a curved transition, guiding the flow of smoke and ensuring a relatively gentle flow rate. The lower portion of the second guide surface 12 connects to the higher portion of the first guide surface 10, forming an open energy-gathering cavity. This cavity helps to concentrate high-temperature combustion smoke, reducing heat loss caused by the radiation of the heat energy within the pot support body 1, thereby improving thermal energy utilization.

[0036] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions, or modifications based on the present invention that solve essentially the same technical problems and achieve essentially the same technical effects are included within the scope of protection of the present invention.

Claims

1. A double-layer pot rack, comprising: Pot holder body; Pot legs, used to support the pot; Its characteristics are: A first guide surface is provided at the inner edge of the pot support body, and the first guide surface is arranged facing the burner fire cover hole. The first guide surface is arranged to form an expanded structure with a larger upper part and a smaller lower part, so that the air from bottom to top can be fully premixed with the mixed gas ejected from the burner fire cover hole.

2. The double-layer pot rack according to claim 1, characterized in that: The pot rack body comprises an upper plate and a lower plate, and a heat-insulating cavity is formed between the upper plate and the lower plate.

3. The double-layer pot rack according to claim 2, characterized in that: A second flow guide surface with a lower inner side and a higher outer side is formed on the side of the upper plate facing the cookware. The lower part of the second flow guide surface is connected to the higher part of the first flow guide surface. The second flow guide surface is surrounded to form an open energy gathering cavity.

4. The double-layer pot rack according to claim 2, characterized in that: The upper disk and the lower disk are connected by edging.

5. The double-layer pot rack according to claim 4, characterized in that: The upper disk wraps around the outer edge of the lower disk through an outer edging; And / or, the upper disk wraps around the inner edge of the lower disk via an inner edging.

6. The double-layer pot rack according to claim 2, characterized in that: A reinforcement portion is formed on a protrusion on a side of the lower disk facing the heat insulation cavity.

7. The double-layer pot rack according to claim 2, characterized in that: The pot legs pass through and are fixedly connected to the upper plate and the lower plate.

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