Methanol stove

Abstract

The utility model discloses a methanol stove which comprises a vaporization cavity and a gas nozzle, and the vaporization cavity is communicated and connected with the gas nozzle through a gas pipe; comprising a ring shell assembly, a vaporization cavity is formed in the ring shell assembly, the ring shell assembly is arranged on the outer side of a gas nozzle, a liquid inlet used for inputting liquid fuel and an air inlet used for inputting compressed air are formed in the bottom of the vaporization cavity, the liquid inlet and the air inlet penetrate through the bottom of the ring shell assembly, and an electric heating pipe is arranged at the bottom of the ring shell assembly in an attached mode. The methanol stove disclosed by the utility model is beneficial to sufficient combustion of fuel and improvement of durability of the stove.

Description

Technical Field

[0001] The utility model relates to the field of wall switches, and particularly to a methanol cooking stove. Background Art

[0002] At present, alcohol-based oil stoves use alcohol-based oil as fuel. The main component of alcohol-based oil is methanol. By heating the alcohol-based oil, the alcohol-based oil is quickly vaporized and output to the nozzle. Igniting the combustible gas ejected from the nozzle generates a flame for heating the food in the cooking pot. However, since the methanol cooking stove in the prior art does not have a mixing structure for air and combustible gas, the mixing effect of the output combustible gas and air is poor, resulting in incomplete combustion of the combustible gas, easy generation of combustion residues and blockage of the nozzle, thus affecting the service life of the cooking stove. Therefore, it is necessary to improve the methanol cooking stove in the prior art. Summary of the Invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a methanol cooking stove, which is beneficial to the full combustion of fuel and the improvement of the durability of the cooking stove.

[0004] The purpose of the utility model is realized by the following technical solutions.

[0005] The disclosed methanol cooking stove of the utility model includes a vaporization chamber and a gas nozzle. The vaporization chamber is connected to the gas nozzle through a gas pipe; wherein, it further includes an annular shell assembly. The vaporization chamber is formed inside the annular shell assembly. The annular shell assembly is arranged outside the gas nozzle. The bottom of the vaporization chamber is formed with a liquid fuel inlet for inputting liquid fuel and an air inlet for inputting compressed air. The liquid fuel inlet and the air inlet penetrate through the bottom of the annular shell assembly. An electric heating tube is arranged in a close contact manner at the bottom of the annular shell assembly.

[0006] Preferably, the utility model further includes a bracket and a blower. The bracket is formed with a blowing air duct shell. The gas nozzle is installed inside the upper end of the blowing air duct shell. An air outlet hole is formed at the upper end of the blowing air duct shell. The air outlet hole surrounds the outside of the gas nozzle. The air outlet end of the blower is connected to the lower end of the blowing air duct shell through a air supply pipeline.

[0007] Preferably, the bracket is formed with an oil receiving tray. The upper end of the oil receiving tray is connected to the inner end of the annular shell assembly. The blowing air duct shell is formed in the middle of the oil receiving tray. A wind guiding disc is arranged above the blowing air duct shell. The gas nozzle penetrates upward through the wind guiding disc. The air outlet hole is arranged corresponding to the lower side of the wind guiding disc.

[0008] Preferably, a burner cap is arranged on the upper end of the gas nozzle. The burner cap is located above the wind guiding disc. A flame spraying hole is formed on the outer periphery of the burner cap. The flame spraying hole communicates with the gas nozzle.

[0009] Preferably, the bracket is formed with a supporting ring and spokes, the supporting ring and the oil receiving tray are integrally connected by the spokes, and the ring shell assembly is mounted on the supporting ring.

[0010] Preferably, a positioning ring groove is formed at the bottom of the ring shell assembly, and the electric heating tube is arranged in the positioning ring groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: by providing the ring shell assembly, a vaporization chamber is formed inside the ring shell assembly, the ring shell assembly is arranged outside the gas nozzle, a liquid inlet for inputting liquid fuel and an air inlet for inputting compressed air are formed at the bottom of the vaporization chamber, the liquid inlet and the air inlet penetrate through the bottom of the ring shell assembly, and an electric heating tube is disposed in a close contact manner at the bottom of the ring shell assembly. Therefore, it is beneficial to the full combustion of the fuel and is beneficial to improving the durability of the cooking appliance. Description of the Drawings

[0012] Figure 1 is a top perspective structural schematic diagram of the present invention.

[0013] Figure 2 is a bottom perspective structural schematic diagram of the present invention.

[0014] Figure 3 is a bottom structural schematic diagram of the present invention.

[0015] Figure 4 is Figure 3 a sectional structural schematic diagram taken along the line A-A of

[0016] Figure 5 is Figure 3 a sectional structural schematic diagram taken along the line B-B of

[0017] Figure 6 is a bottom perspective structural schematic diagram of the combination of the ring shell assembly, the liquid inlet pipe and the air inlet pipe of the present invention.

[0018] Figure 7 is a three-dimensional sectional structural schematic diagram of the combination of the ring shell assembly, the liquid inlet pipe and the air inlet pipe of the present invention.

[0019] Figure 8 is a three-dimensional sectional structural schematic diagram of the ring shell assembly of the present invention.

[0020] Figure 9 is a top perspective structural schematic diagram of the bracket of the present invention.

[0021] Label description: Ring shell assembly 1; Vaporization chamber 10; Liquid inlet 101; Air inlet 102; Positioning ring groove 103; Liquid inlet pipe 11; Air inlet pipe 12; Bracket 2; Support ring 21; Air duct shell 22; Air outlet hole 221; Oil pan 23; Leg 24; Spoke 25; Electric heating pipe 3; Lower cover plate 31; Gas pipe 4; Gas nozzle 5; Air guide plate 6; Flame cover 7; Flame spraying hole 701; Fan 8; Air supply duct 81; Fan mounting plate 82; Ignition needle 9. Detailed implementation

[0022] The present utility model will be further described below in conjunction with the accompanying drawings.

[0023] The methanol cooking stove of the present utility model, as Figures 1 to 4 shown, includes a vaporization chamber 10 and a gas nozzle 5. The vaporization chamber 10 is connected to the gas nozzle 5 through a gas pipe 4. The methanol cooking stove of the present utility model includes a ring shell assembly 1, as Figure 8 shown. The ring shell assembly 1 is a ring-shaped housing, and the vaporization chamber 10 is formed inside the ring shell assembly 1. Specifically, the ring shell assembly 1 includes an upper shell and a bottom plate. The upper shell is formed by stamping, and the lower edge of the upper shell is hermetically welded to the upper side of the bottom plate. As Figure 4 shown, one end of the gas pipe 4 is connected with an air outlet joint. The above-mentioned air outlet joint passes upward through the above-mentioned bottom plate and is inserted into the vaporization chamber 10. The outer wall of the above-mentioned air outlet joint is hermetically welded to the above-mentioned bottom plate, and the other end of the gas pipe 4 corresponding to it is screwed (or welded) to the lower end of the gas nozzle 5. As Figure 4 shown, the ring shell assembly 1 is arranged outside the gas nozzle 5, and the gas nozzle 5 and the ring shell assembly 1 can be concentrically arranged. As Figure 8 shown, the bottom of the vaporization chamber 10 is formed with a liquid inlet 11 for inputting liquid fuel (which can be alcohol-based oil) and an air inlet 102 for inputting compressed air. The liquid inlet 11 and the air inlet 102 penetrate the bottom of the ring shell assembly 1 (i.e., the above-mentioned bottom plate). Specifically, as Figure 7 shown, the liquid inlet 11 is welded with a liquid inlet pipe 11, and the air inlet 102 is welded with an air inlet pipe 12. As Figure 4 shown, an electric heating pipe 3 is arranged close to the bottom of the ring shell assembly 1. The electric heating pipe 3 is arc-shaped, and the electric heating pipe 3 can be concentrically arranged with the ring shell assembly 1. The above-mentioned air outlet joint and the liquid inlet 11 are respectively located on both sides of the center of the ring shell assembly 1. As Figure 8 shown, the liquid inlet 11 and the air inlet 102 can be arranged close to each other.

[0024] The working principle of the present utility model is briefly described as follows: The alcohol-based fuel is input into the vaporization chamber 10 through the liquid inlet pipe 11 (for example, an oil pump can be set to input the alcohol-based fuel in the oil storage container into the liquid inlet pipe 11). At the same time, compressed air is input into the vaporization chamber 10 through the air inlet pipe 12 (for example, the air inlet pipe 12 is connected to an air pump). The electric heating tube 3 is energized to work and generate heat. The electric heating tube 3 indirectly heats the alcohol-based fuel in the vaporization chamber 10 by heating the bottom of the heating ring shell assembly 1, which is conducive to accelerating the vaporization of the alcohol-based fuel and converting it into combustible gas. The compressed air input into the vaporization chamber 10 increases the air pressure in the vaporization chamber 10. Then, the mixture of combustible gas and air is output to the gas nozzle 5 through the gas pipe 4. Igniting the mixed gas ejected from the gas nozzle 5 generates a flame. Since the air pressure in the vaporization chamber 10 is relatively high, the mixture of combustible gas and air flows through the gas pipe 4 at a relatively fast speed, and the gas flow rate in the vaporization chamber 10 is accelerated and a relatively complex air flow is formed in the vaporization chamber 10, which can accelerate the evaporation of the alcohol-based fuel and improve the mixing effect of the combustible gas and air. Therefore, when the combustible gas ejected from the gas nozzle 5 burns, it can obtain sufficient oxygen, which helps the fuel (i.e., combustible gas) to burn fully, greatly reducing the formation of combustion residues and avoiding blockage of the gas nozzle 5, which is beneficial to improving the durability of the methanol cooking stove.

[0025] Further, as Figures 1 to 5 shown, the methanol cooking stove of the present utility model further includes a bracket 2 and a blower 8. The bracket 2 is formed with a blower pipe shell 22. The gas nozzle 5 is installed inside the upper end of the blower pipe shell 22. Specifically, the gas nozzle 5 passes upward through the upper end of the blower pipe shell 22, and a fixing nut is screwed on the upper part of the gas nozzle 5. The upper end of the blower pipe shell 22 is clamped between the fixing nut and the stepped part of the gas nozzle 5. As Figure 9 shown, the upper end of the blower pipe shell 22 is formed with air outlet holes 221, and the air outlet holes 221 surround the outside of the gas nozzle 5. The number of the air outlet holes 221 can be set to three; as Figure 2 and Figure 5 shown, the air outlet end of the blower 8 is connected to the lower end of the blower pipe shell 22 through a air supply pipe 81. Specifically, the upper part of the air supply pipe 81 is formed at the lower end of the bracket 2, and the lower part of the air supply pipe 81 is an arc-shaped bent stainless steel plate. The gas pipe 4 passes through the above-mentioned stainless steel plate, and the above-mentioned stainless steel plate is installed at the lower end of the bracket 2 through corresponding screws; as Figure 5 shown, the lower part of the bracket 2 is installed with a blower mounting plate 82 through corresponding screws. The blower mounting plate 82 abuts against the upper side of the blower 8, and the blower 8 is installed on the lower side of the blower mounting plate 82 through corresponding screws. The blower 8 can be a centrifugal blower; through the above settings, as Figure 5As shown, when the fan 8 operates, outside air is sucked into the fan 8 from bottom to top. The air outlet end of the fan 8 inputs an air flow into the air supply duct 81. Then the air flow enters the lower end of the air blowing pipe shell 22 and is discharged upward through the air outlet holes 221. Since the air outlet holes 221 are arranged around the outside of the gas nozzle 5, the air flow formed by the fan 8 drives the flame ejected by the gas nozzle 5 to flow upward faster, enhancing the firepower of the methanol cooking stove and supplementing oxygen to the fuel ejected by the gas nozzle 5, which helps the fuel ejected by the gas nozzle 5 to burn fully.

[0026] Furthermore, as Figure 9 shown, the support 2 is formed with an oil receiving tray 23. As Figure 4 shown, the upper end of the oil receiving tray 23 is connected to the inner end of the ring shell assembly 1. Thus, the ring shell assembly 1 and the oil receiving tray 23 are combined to form a bowl-shaped structure. As Figure 4 and Figure 9 shown, the air blowing pipe shell 22 is formed in the middle of the oil receiving tray 23. Specifically, the air blowing pipe shell 22 and the oil receiving tray 23 are coaxially arranged. It can also be understood that the air blowing pipe shell 22 passes through the oil receiving tray 23. Thus, during cooking, the edible oil or juice dripping into the inner side of the ring shell assembly 1 can flow into the oil receiving tray 23, preventing the edible oil from flowing below the oil receiving tray 23. The oil receiving tray 23 can also catch the fuel residue formed due to incomplete combustion. As Figure 4 shown, a wind guiding disc 6 is provided on the upper side of the air blowing pipe shell 22. The gas nozzle 5 passes upward through the wind guiding disc 6. Specifically, the middle part of the wind guiding disc 6 is clamped by the above-mentioned fixing nut on the top of the air blowing pipe shell 22, and the air outlet holes 221 are arranged correspondingly below the wind guiding disc 6. Thus, the wind guiding disc 6 covers the air outlet holes 221 in the vertical direction, preventing edible oil, juice, or solid food from falling onto the air outlet holes 221 from top to bottom during cooking. When the air flow blown upward from the air outlet holes 221 blows to the lower side of the wind guiding disc 6, the air flow is guided by the wind guiding disc 6 and diverges outward. The air flow passes between the outer end of the wind guiding disc 6 and the inner end of the connecting ring shell assembly 1, thereby surrounding the flame generated by the gas nozzle 5 and reducing the loss of heat dissipated outward.

[0027] Furthermore, as Figure 4 shown, a fire cover 7 is provided on the upper end of the gas nozzle 5. The fire cover 7 is located above the wind guiding disc 6. As Figure 1 shown, a flame ejection hole 701 is formed on the outer periphery of the fire cover 7. As Figure 4 shown, the flame ejection hole 701 communicates with the gas nozzle 5. By providing the fire cover 7, sundries or liquids are prevented from falling into the gas nozzle 5. The flame ejected radially by the fire cover 7 is surrounded and guided by the air flow generated by the fan 8 and turns upward, thus forming a larger range of flames that can be used to heat cookware. As Figure 5As shown, the methanol cooker can also be provided with an ignition needle 9. The ignition needle 9 is located in the oil drip tray 23. The structure of the ignition needle 9 belongs to the prior art, and the ignition needle 9 is arranged close to the burner cap 7.

[0028] Further, as Figure 9 shown, the bracket 2 is formed with a support ring 21 and spokes 25. The support ring 21 and the oil drip tray 23 are integrally connected through the spokes 25. In other words, the bracket 2 is a three-dimensional hollow structure, which is beneficial to reducing the material used for manufacturing the bracket 2 and is beneficial to reducing the weight of the cooker. As Figure 4 and Figure 5 shown, the ring shell assembly 1 is installed on the support ring 21. Specifically, the outer end of the bottom plate of the ring shell assembly 1 is installed and connected to the support ring 21 through corresponding screws, which is beneficial to the stable installation of the ring shell assembly 1.

[0029] Further, as Figure 6 and Figure 8 shown, a positioning ring groove 103 is formed at the bottom of the ring shell assembly 1. The positioning ring groove 103 is specifically concave upward. The positioning ring groove 103 is formed on the above-mentioned bottom plate of the ring shell assembly 1. As Figure 4 shown, the electric heating tube 3 is arranged in the positioning ring groove 103, and a lower cover plate 31 is provided on the lower side of the ring shell assembly 1. The lower cover plate 31 covers the lower side of the electric heating tube 3 to prevent the electric heating tube 3 from falling downward. The outer end of the lower cover plate 31 is clamped between the bottom plate of the ring shell assembly 1 and the support ring 21. The lower cover plate 31 is formed with a notch or long hole structure for the wire of the electric heating tube 3 to lead out downward. By providing the positioning ring groove 103, it is beneficial to position the electric heating tube 3, and the wall area of the ring shell assembly 1 close to the electric heating tube 3 is increased, which is beneficial to the heat transfer of the electric heating tube 3 to the alcohol-based oil in the ring shell assembly 1.

[0030] As Figure 4 and Figure 5 shown, the burner cap 7 and the air guide plate 6 are sunk and arranged at the center of the ring shell assembly 1. The ring shell assembly 1 plays a role in surrounding the flame, and the ring shell assembly 1 can block the wind from the outside to interfere with the flame ejected by the gas nozzle 5 to a certain extent. For example, the methanol cooker also includes a cooker bottom shell and a cooker panel. As Figure 2 shown, the bracket 2 is further formed with feet 24. The feet 24 are fixedly connected to the inner bottom of the above-mentioned cooker bottom shell. The ring shell assembly 1 can protrude upward from the cooker panel. The methanol cooker can also be provided with a pot support. The pot support can be placed on the cooker panel or on the outer periphery of the support ring 21. For safety, the air input into the vaporization chamber 10 can make the proportion of combustible gas in the vaporization chamber 10 higher than the explosion limit.

Claims

1. A methanol cooker, comprising a vaporization chamber (10) and a gas nozzle (5), wherein the vaporization chamber (10) and the gas nozzle (5) are connected via a gas pipe (4), characterized in that: The invention comprises an annular shell component (1), wherein the vaporization chamber (10) is formed inside the annular shell component (1), the annular shell component (1) is arranged outside the gas nozzle (5), and the bottom of the vaporization chamber (10) is formed with a liquid inlet (11) for inputting liquid fuel and an air inlet (102) for inputting compressed air, the liquid inlet (11) and the air inlet (102) pass through the bottom of the annular shell component (1), and an electric heating pipe (3) is arranged close to the bottom of the annular shell component (1).

2. The methanol cooker according to claim 1, characterized in that: The invention also comprises a bracket (2) and a fan (8), wherein the bracket (2) is formed with a blow pipe shell (22), the gas nozzle (5) is installed in the upper end of the blow pipe shell (22), the upper end of the blow pipe shell (22) is formed with an air outlet hole (221), the air outlet hole (221) is arranged around the outside of the gas nozzle (5), and the air outlet end of the fan (8) is connected to the lower end of the blow pipe shell (22) via an air supply duct (81).

3. The methanol cooker according to claim 2, characterized in that: The bracket (2) is formed with an oil receiving pan (23), the upper end of the oil receiving pan (23) is connected to the inner end of the ring shell assembly (1), the air blowing pipe shell (22) is formed in the middle of the oil receiving pan (23), an air guide plate (6) is provided on the upper side of the air blowing pipe shell (22), the gas nozzle (5) is arranged to pass through the air guide plate (6) upwards, and the air outlet hole (221) is arranged at a corresponding lower part of the air guide plate (6).

4. The methanol cooker according to claim 3, characterized in that: The upper end cover of the gas nozzle (5) is provided with a fire cover (7), the fire cover (7) is located on the upper side of the air guide plate (6), and the outer periphery of the fire cover (7) is formed with a fire hole (701), the fire hole (701) is connected to the gas nozzle (5).

5. The methanol cooker according to claim 3, characterized in that: The bracket (2) is formed with a support ring (21) and spokes (25); the support ring (21) and the oil receiving pan (23) are connected as a whole via the spokes (25); and the ring shell assembly (1) is mounted on the support ring (21).

6. The methanol cooker according to claim 5, characterized in that: A positioning ring groove (103) is formed at the bottom of the ring shell component (1), and the electric heating pipe (3) is arranged in the positioning ring groove (103).

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