Electric food warmer bottom heating base plate

Abstract

The utility model relates to the technical field of electric food warmer accessories, and discloses an electric food warmer bottom heating base plate which comprises a heating base plate body. The G-shaped heating pipe is brazed on the heating chassis and consists of two layers of sleeves, the inner-layer pipe is an iron pipe, an aluminum pipe is sleeved on the outer layer of the iron pipe, a wiring rod is arranged in the iron pipe, and a resistance heating wire is wound on the outer side of the wiring rod; the G-shaped heating pipes are arranged in a multi-layer staggered manner; the positions of the notches of the inner ring can be covered through multi-layer staggered arrangement, so that the whole heating base plate is more uniform in heating, resistance wires arranged at the corners of the two ends of a G-shaped heating pipe can be replaced, short circuit is avoided, and the heating area is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of electric cooker accessories, in particular to a heating chassis for the bottom of an electric cooker. Background Technique

[0002] The bottom heating chassis of an electric cooker is one of the core components of the electric cooker. Its main function is to generate heat and conduct it to the pot body, so as to heat the food in the pot. The bottom heating chassis of the electric cooker is usually formed by combining a heating tube and a heat conducting sheet; the heating tube is a U-shaped high-temperature resistant seamless steel pipe, and spiral electric heating wires are distributed at the center position inside; when an electric current passes through the electric heating wires, heat energy will be generated, and the heat energy is transferred to the surface of the heating tube through a material with good thermal conductivity (such as crystalline magnesium oxide powder), and then conducted to the heat conducting sheet of the heating plate and the pot body.

[0003] The previous bottom heating chassis of the electric cooker has the following disadvantages: 1. It cannot solve the problem that the notch position of the heating coil cannot be heated, resulting in uneven heating of the entire heating chassis; 2. It cannot solve the problem of setting resistance wires at the turning positions at both ends of the G-shaped heating tube, reducing the heating area. Therefore, those skilled in the art provide a bottom heating chassis for an electric cooker to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a bottom heating chassis for an electric cooker to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bottom heating chassis for an electric cooker, including a heating chassis;

[0007] The G-shaped heating tube is brazed to the heating chassis. The G-shaped heating tube is composed of two layers of sleeves. The inner layer tube is an iron tube, and an aluminum tube is sleeved outside the iron tube. A wiring rod is arranged inside the iron tube, and a resistance heating wire is wound outside the wiring rod.

[0008] The G-shaped heating tubes are arranged in a multi-layer staggered manner, making the heating of the heating chassis more uniform.

[0009] As a further scheme of the utility model: wiring metal plates are welded to both ends of the G-shaped heating tube, and ceramic pads are arranged on the top of the heating chassis and directly opposite the wiring metal plates. The pressure bolt is screwed into the corresponding wiring screw holes of the wiring metal plate and the ceramic pad to achieve rapid connection of the circuit.

[0010] As a further scheme of the utility model: wiring screw holes are opened on both the wiring metal plate and the ceramic pad, and a pressure bolt is installed in the wiring screw hole.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. Wind the wire for power connection around the pressure bolt, and screw the pressure bolt into the corresponding wiring screw hole of the wiring metal plate and the ceramic spacer to achieve rapid connection of the circuit, which is convenient for installation and disassembly. The use of the G-shaped heating tube greatly improves the heating efficiency. The heating chassis is directly brazed to the bottom of the electric cooker, enabling the electric cooker to heat up quickly. The G-shaped heating tubes are arranged in a staggered layer, covering the position of the inner ring notch through the staggered layer arrangement, so that the entire heating chassis heats more evenly. Instead of setting resistance wires at the turning points at both ends of the G-shaped heating tube, short circuits are avoided, and the heating area is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a heating chassis at the bottom of an electric cooker according to the utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the wiring metal plate and the ceramic spacer of a heating chassis at the bottom of an electric cooker according to the utility model.

[0015] Figure 3 It is a schematic diagram of the internal structure of the G-shaped heating tube of a heating chassis at the bottom of an electric cooker according to the utility model.

[0016] In the figure: 1, heating chassis; 4, G-shaped heating tube; 5, pressure bolt; 6, wiring metal plate; 7, ceramic spacer; 8, wiring screw hole; 9, aluminum tube; 10, iron tube; 11, wiring rod; 12, resistance heating wire. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-3 , in the embodiment of the present utility model, a heating chassis at the bottom of an electric cooker includes a heating chassis 1;

[0019] The G-shaped heating tube 4 is brazed to the heating chassis 1. The G-shaped heating tube 4 is composed of two layers of sleeves. The inner layer tube is an iron tube 10, and an aluminum tube 9 is sleeved outside the iron tube 10. There is a wiring rod 11 inside the iron tube 10, and a resistance heating wire 12 is wound outside the wiring rod 11.

[0020] Among them, the G-shaped heating tubes 4 are arranged in multiple staggered layers, making the heating of the heating chassis more uniform.

[0021] Among them, wiring metal plates 6 are welded to both ends of the G-shaped heating tube 4, and ceramic pads 7 are arranged on the top of the heating chassis 1 and are directly opposite to the wiring metal plates 6; the pressure bolt 5 is screwed into the corresponding wiring screw holes 8 of the wiring metal plates 6 and the ceramic pads 7 to achieve rapid connection of the circuit.

[0022] Among them, wiring screw holes 8 are provided on both the wiring metal plates 6 and the ceramic pads 7, and a pressure bolt 5 is installed in the wiring screw holes 8; the pressure bolt 5 is screwed into the corresponding wiring screw holes 8 of the wiring metal plates 6 and the ceramic pads 7 to achieve rapid connection of the circuit, which is convenient for installation and disassembly.

[0023] The working principle of the present utility model is as follows: the wire for connecting electricity is wound around the pressure bolt 5, and the pressure bolt 5 is screwed into the corresponding wiring screw holes 8 of the wiring metal plates 6 and the ceramic pads 7 to achieve rapid connection of the circuit, which is convenient for installation and disassembly. The use of the G-shaped heating tube 4 greatly improves the heating efficiency. The heating chassis 1 is directly brazed to the bottom of the electric cooker, enabling the electric cooker to heat up quickly. The multi-layer staggered arrangement of the G-shaped heating tubes 4 covers the position of the inner ring notch through the multi-layer staggered arrangement, so that the entire heating chassis 1 heats more evenly. Instead of arranging resistance wires at the bends at both ends of the G-shaped heating tube 4, short circuits are avoided and the heating area is increased.

[0024] The above is only the preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and should be covered within the protection scope of the present utility model.

Claims

1. A heating base plate for an electric hot pot, comprising a heating base plate (1); It is characterized by: A G-shaped heating tube (4) is brazed onto the heating chassis (1), the G-shaped heating tube (4) is composed of two layers of sleeves, the inner tube is an iron tube (10), the outer layer of the iron tube (10) is sleeved with an aluminum tube (9), a connecting rod (11) is provided inside the iron tube (10), and a resistance heating wire (12) is wound around the outer side of the connecting rod (11).

2. The electric pot bottom heating pan according to claim 1, characterized in that: The G-shaped heating tubes (4) are arranged in multiple layers in staggered layers.

3. The electric pot bottom heating pan according to claim 1, characterized in that: Both ends of the G-shaped heating tube (4) are welded with connection metal plates (6), and a ceramic pad (7) is provided on the top of the heating chassis (1) and directly facing the connection metal plates (6).

4. The electric pot bottom heating pan according to claim 3, characterized in that: The wiring metal plate (6) and the ceramic pad (7) are both provided with wiring screw holes (8), and the wiring screw holes (8) are provided with wire pressing bolts (5).

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