Portable gas stove

Abstract

The utility model relates to the technical field of stoves, and discloses a portable gas stove, which comprises a portable gas stove main body and a gas valve, one side of the portable gas stove main body is provided with a mounting bin for mounting a gas tank, the middle part of the portable gas stove main body is provided with a burner, and one side of the burner is provided with a thermocouple; the fuel gas valve comprises a valve body, a switch assembly is arranged on the valve body, a fuel gas channel is arranged in the valve body, the two ends of the fuel gas channel are used for being connected with a fuel gas tank and a combustor respectively, an electromagnetic valve connected with the switch assembly is arranged on the fuel gas channel, the electromagnetic valve is used for controlling on-off of the fuel gas channel, and the electromagnetic valve is electrically connected with the thermocouple. When flame of the portable gas stove is blown out or extinguished due to other reasons, the thermocouple loses thermoelectric force, the coil of the electromagnetic valve loses holding current, the electromagnetic valve is closed, the gas channel is cut off, and gas in the gas tank cannot be continuously output, so that poisoning and explosion risks caused by gas output due to sudden flameout are avoided; and the use safety is improved.

Description

Technical Field

[0001] This utility model relates to the field of stove technology, and in particular to a portable gas stove. Background Technology

[0002] Currently, portable gas stoves are becoming increasingly widely used. However, existing portable gas stoves do not have flameout protection. This means that if the portable gas stove goes out in an emergency (such as being blown out by wind or the pot overflowing), the gas will continue to be output, which may lead to dangers such as poisoning or explosion, affecting the safety of use. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a portable gas stove with flameout protection function, which improves the safety of use.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A portable gas stove includes a portable gas stove body and a gas valve. The portable gas stove body has an installation compartment for installing a gas cylinder on one side, a burner in the middle of the portable gas stove body, and a thermocouple on one side of the burner.

[0006] The gas valve includes a valve body with a switch assembly. The valve body has a gas passage inside, with the two ends of the gas passage used to connect to the gas tank and the burner, respectively. The gas passage is equipped with a solenoid valve connected to the switch assembly. The solenoid valve is used to control the opening and closing of the gas passage and is electrically connected to the thermocouple.

[0007] Preferably, the switching assembly includes a rotating rod vertically disposed at the upper end of the valve body, and a knob is provided at the upper end of the rotating rod. The knob is connected to the valve core rod of the solenoid valve through a driving component.

[0008] Preferably, the valve body has a pressure stabilizing chamber inside, and the side of the valve body has an air inlet assembly and an air outlet assembly connected to the pressure stabilizing chamber. The air inlet assembly is used to connect to the gas cylinder, and the air outlet assembly includes an air outlet chamber. One end of the air outlet chamber is an air inlet end, and the other end is an air outlet end. The middle part of the air outlet chamber is connected to the pressure stabilizing chamber. The solenoid valve is located at the air inlet end and connected to the driving component. The air outlet end is connected to the burner.

[0009] Preferably, the driving component is a torsion spring, one end face of the valve core rod is exposed outside the air outlet chamber, the outer wall of the valve body is provided with a mounting shaft, the torsion spring is sleeved on the mounting shaft, one end of the torsion spring is connected to the knob, and the other end of the torsion spring is connected to the end face of the valve core rod.

[0010] Preferably, the valve body is provided with a snap-fit ​​block corresponding to the air intake assembly, and the snap-fit ​​block is adapted to the snap-fit ​​groove on the gas cylinder.

[0011] Preferably, the upper end of the installation compartment is open, the gas valve is disposed inside the installation compartment, and the open end of the installation compartment is covered with a cover plate.

[0012] Preferably, the device includes a heat-conducting plate, which includes a snap-fit ​​portion disposed within the mounting compartment and a main body portion connected to the burner. The snap-fit ​​portion is provided with a slot adapted to the gas canister, and the gas canister is snapped into the slot.

[0013] Preferably, the cassette stove body is provided with a stove frame, and the burner is disposed inside the stove frame.

[0014] Preferably, a protective cover is provided on the main body of the portable gas stove above the burner.

[0015] Preferably, the burner is an infrared burner or a jet burner.

[0016] This utility model discloses a portable gas stove, which, compared with the prior art, has the following advantages: By installing a thermocouple on one side of the burner, installing a switching assembly on the valve body of the gas valve, and installing a solenoid valve connected to the switching assembly on the gas passage of the valve body, and electrically connecting the solenoid valve to the thermocouple, the switch assembly first drives the solenoid valve to open, thus unblocking the gas passage and enabling normal ignition of the portable gas stove. After ignition, the flame of the burner heats the thermocouple, causing it to generate a thermoelectric potential. This thermoelectric potential maintains the current in the coil of the solenoid valve, keeping the solenoid valve open, allowing the portable gas stove to operate normally. When the flame of the portable gas stove is blown out or extinguished for other reasons, the thermocouple loses its thermoelectric potential, the coil of the solenoid valve loses its maintaining current, the solenoid valve closes, the gas passage is cut off, and the gas in the gas tank can no longer be output. This avoids the risk of poisoning and explosion caused by sudden flameout, thus improving safety. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the portable gas stove of this utility model.

[0018] Figure 2 This is a cross-sectional view of the portable gas stove of this utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the cassette stove of this utility model, excluding the main body of the cassette stove and the installation compartment.

[0020] Figure 4 This is a front view of the gas valve of the portable gas stove of this utility model.

[0021] Figure 5 This is an isometric view of the gas valve of the portable gas stove of this utility model.

[0022] The components are: 1-Cartridge furnace body, 2-Thermocouple, 3-Gas canister, 4-Burner, 5-Gas valve, 51-Rotating rod, 52-Valve body, 53-Inlet assembly, 54-Outlet assembly, 55-Snap-fit ​​block, 56-Solenoid valve, 561-Valve core rod, 6-Cover plate, 7-Torsion spring, 8-Heat conduction plate, 81-Snap-fit ​​part, 82-Main body, 9-Furnace frame, 10-Protective cover, 20-Installation chamber, 30-Ignition needle, 40-Knob. Detailed Implementation

[0023] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0024] like Figures 1-5 As shown, a preferred embodiment of the present invention provides a portable gas stove, comprising a portable gas stove body 1 and a gas valve 5. One side of the portable gas stove body 1 is provided with an installation compartment 20 for installing a gas cylinder 3. A burner 4 is provided in the middle of the portable gas stove body 1. The burner 4 can be an infrared burner or a jet burner (as shown in the attached diagram). Figure 3 The middle one is an infrared burner. Both types of burners are existing technologies and will not be described in detail here. A thermocouple is provided on one side of the burner. A thermocouple is an electronic component that generates a thermoelectric electromotive force when heated.

[0025] The gas valve 5 includes a valve body 52, on which a switch assembly is provided. The interior of the valve body 52 has a gas passage, and the two ends of the gas passage are respectively used to connect the gas tank 3 and the burner 4. The gas passage is provided with a solenoid valve 56 connected to the switch assembly. The solenoid valve 56 is used to control the opening and closing of the gas passage. The solenoid valve 56 is electrically connected to the thermocouple 2.

[0026] Specifically, the switching assembly includes a rotating rod 51 vertically mounted on the upper end of the valve body 52. ​​A knob 40 is located at the upper end of the rotating rod 51. The knob 40 is connected to the valve core rod 561 of the solenoid valve 56 via a driving component. When the knob 40 is rotated, it drives the valve core rod 561 to move, thereby opening the solenoid valve 56. Cartridge stoves are typically embedded in a tabletop during use and switched on and off using a knob. However, existing cartridge stove knobs are located on the side of the stove body, making operation inconvenient. On the other hand, some cartridge stoves have knobs located on the upper surface of the stove body. While this improves operational convenience, it requires two valve bodies to achieve the knob placement on the upper surface, increasing the cost of the cartridge stove, as the gas cylinder is horizontally mounted. This application addresses this issue by vertically mounting the rotating rod 51 and placing the knob 40 at its upper end, thus placing the knob 40 on the upper surface of the stove body. This allows for convenient use of the cartridge stove, whether used directly or embedded in a tabletop. Meanwhile, this application only requires the installation of one gas valve 5, without the need to add an additional gas valve, thus not increasing the overall cost.

[0027] In addition, it also includes an ignition device, which is existing technology and its detailed structure will not be described in detail here. However, it mainly includes a linkage switch connected to the knob 40 and an ignition needle 30 located on one side of the burner 4. When the knob 40 is rotated, it realizes the conduction of gas and the ignition of the ignition device.

[0028] Based on the above technical features, the portable gas stove has a thermocouple 2 installed on one side of the burner 4, a switching assembly installed on the valve body 52 of the gas valve 5, and a solenoid valve 56 connected to the switching assembly installed on the gas passage of the valve body 52. ​​The solenoid valve 56 is electrically connected to the thermocouple 2. In use, the solenoid valve 56 is first driven by the switching assembly to open the solenoid valve 56, thus opening the gas passage and enabling normal ignition of the portable gas stove. After ignition, the flame of the burner 4 heats the thermocouple 2, causing the thermocouple 2 to generate a thermoelectric potential. The thermoelectric potential maintains the current in the coil of the solenoid valve 56, keeping the solenoid valve 56 open, and the portable gas stove is in normal use. When the flame of the portable gas stove is blown out or extinguished for other reasons, the thermocouple 2 loses its thermoelectric potential, the coil of the solenoid valve 56 loses its maintaining current, the solenoid valve 56 closes, the gas passage is cut off, and the gas in the gas tank 3 will no longer be output. This avoids the risk of poisoning and explosion caused by sudden flameout and improves the safety of use.

[0029] In this embodiment, the valve body 52 has a pressure-stabilizing chamber inside. The side of the valve body 52 has an air inlet assembly 53 and an air outlet assembly 54 connected to the pressure-stabilizing chamber. The air inlet assembly 53 is used to connect to the gas cylinder 3. The air outlet assembly 54 includes an air outlet chamber, one end of which is an air inlet and the other end is an air outlet. The middle of the air outlet chamber is connected to the pressure-stabilizing chamber. The solenoid valve 56 is located at the air inlet and connected to the driving component. When the driving component drives the valve core rod 561 of the solenoid valve 56 to move, causing the solenoid valve 56 to open, the pressure-stabilizing chamber is connected to the air outlet assembly 54. When the solenoid valve 56 is closed, the pressure-stabilizing chamber is disconnected from the air outlet assembly 54. The solenoid valve 56 is an existing structure and will not be described in detail here, but it mainly contains a spring and a seal. When closed, the spring drives the seal to seal; when open, the seal does not seal. The air outlet is connected to the burner 4, supplying gas to the burner 4.

[0030] In this embodiment, the driving component is a torsion spring 7. One end face of the valve core rod 561 is exposed outside the gas outlet chamber. The outer wall of the valve body 52 is provided with a mounting shaft, and the torsion spring 7 is sleeved on the mounting shaft. One end of the torsion spring 7 is connected to the knob 40, and the other end of the torsion spring 7 is connected to the end face of the valve core rod 561. When the stove is turned on, the knob 40 drives the torsion spring 7, and the torsion spring 7 drives the valve core rod 561 to open the solenoid valve 56. When the stove goes out due to an emergency, the valve core rod 561 resets and drives the knob 40 to reset.

[0031] In addition, to facilitate the connection between the gas cylinder 3 and the air intake assembly 53, a snap-fit ​​block 55 is provided on the valve body 52 corresponding to the air intake assembly 53. The snap-fit ​​block 55 is adapted to the snap-fit ​​groove on the gas cylinder 3. When the snap-fit ​​groove on the gas cylinder 3 is fully snapped into place with the snap-fit ​​block 55, the gas cylinder 3 is installed. The operation is simple and convenient.

[0032] In this embodiment, since the gas cylinder 3 cools down during the gas release process, it needs to be kept warm to ensure normal gas flow. Specifically, the portable gas stove includes a heat-conducting plate 8, which includes a snap-fit ​​part 81 located in the mounting compartment 20 and a main body part 82 connecting to the burner 4. The snap-fit ​​part 81 has a slot adapted to the gas cylinder 3, and the gas cylinder 3 snaps into the slot. During installation, simply align the snap-fit ​​slot with the snap-fit ​​block 55 and snap the gas cylinder 3 into the slot; the operation is simple and convenient. During use, the heat-conducting plate 8 conducts heat to the gas cylinder 3, ensuring the normal temperature of the gas cylinder 3 and thus ensuring normal gas release.

[0033] In this embodiment, the upper opening of the installation chamber 20 facilitates the installation and removal of the gas cylinder 3. The gas valve 5 is disposed inside the installation chamber 20. The opening of the installation chamber 20 is covered with a cover plate 6, which is hinged. To operate the knob 40, the cover plate 6 can be opened, and after operation, it can be closed to prevent accidental operation of the knob 40 and to prevent oil from falling into the installation chamber 20. More importantly, when the cover plate 6 is closed, it prevents fire from entering the installation chamber 20, thus preventing the gas cylinder 3 inside the installation chamber 20 from exploding and ensuring safety during use.

[0034] In this embodiment, the portable gas stove body 1 is provided with a stove rack 9, and the burner 4 is disposed inside the stove rack 9. When in use, the cookware is placed on the stove rack 9. At the same time, a protective cover 10 is provided on the portable gas stove body 1 above the burner 4. When not in use, the protective cover 10 can be covered to protect the burner 4.

[0035] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and substitutions can be made without departing from the technical principles of the present utility model, and these improvements and substitutions should also be considered within the protection scope of the present utility model.

Claims

1. A portable gas stove, characterized in that: The device includes a portable gas stove body and a gas valve. One side of the portable gas stove body is provided with an installation compartment for installing a gas cylinder. A burner is provided in the middle of the portable gas stove body, and a thermocouple is provided on one side of the burner. The gas valve includes a valve body with a switch assembly. The valve body has a gas passage inside, with the two ends of the gas passage used to connect to the gas tank and the burner, respectively. The gas passage is equipped with a solenoid valve connected to the switch assembly. The solenoid valve is used to control the opening and closing of the gas passage and is electrically connected to the thermocouple.

2. The portable gas stove as described in claim 1, characterized in that: The switching assembly includes a rotating rod vertically disposed at the upper end of the valve body, and a knob is provided at the upper end of the rotating rod. The knob is connected to the valve core rod of the solenoid valve through a driving component.

3. The portable gas stove as described in claim 2, characterized in that: The valve body has a pressure stabilizing chamber inside. The side of the valve body has an air inlet assembly and an air outlet assembly that are connected to the pressure stabilizing chamber. The air inlet assembly is used to connect to the gas cylinder. The air outlet assembly includes an air outlet chamber, one end of which is an air inlet end and the other end is an air outlet end. The middle part of the air outlet chamber is connected to the pressure stabilizing chamber. The solenoid valve is located at the air inlet end and is connected to the drive component. The air outlet end is connected to the burner.

4. The portable gas stove as described in claim 3, characterized in that: The driving component is a torsion spring. One end face of the valve core rod is exposed outside the air outlet chamber. The outer wall of the valve body is provided with a mounting shaft. The torsion spring is sleeved on the mounting shaft. One end of the torsion spring is connected to the knob, and the other end of the torsion spring is connected to the end face of the valve core rod.

5. The portable gas stove as described in claim 3, characterized in that: The valve body is provided with a snap-fit ​​block corresponding to the air intake assembly, and the snap-fit ​​block is adapted to the snap-fit ​​groove on the gas cylinder.

6. The portable gas stove as described in any one of claims 1-5, characterized in that: The installation chamber has an opening at the top, the gas valve is located inside the installation chamber, and the opening of the installation chamber is covered with a cover plate.

7. The portable gas stove as described in any one of claims 1-5, characterized in that: The device includes a heat-conducting plate, which includes a snap-fit ​​portion disposed within the installation compartment and a main body portion connected to the burner. The snap-fit ​​portion is provided with a slot adapted to the gas cylinder, and the gas cylinder is snapped into the slot.

8. The portable gas stove as described in any one of claims 1-5, characterized in that: The main body of the portable gas stove is equipped with a stove frame, and the burner is located inside the stove frame.

9. The portable gas stove as described in any one of claims 1-5, characterized in that: The main body of the portable gas stove is covered with a protective cover above the burner.

10. The portable gas stove as described in any one of claims 1-5, characterized in that: The burner is an infrared burner or a jet burner.

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