Novel stainless steel flat electric heating tube convenient to maintain

By designing a new type of stainless steel flat electric heating tube that is easy to maintain, and using snap-fit ​​and plug-in devices, the electric heating tube can be quickly installed and disassembled, solving the problem of low efficiency in the disassembly and replacement of traditional electric heating tubes and improving maintenance efficiency.

CN224021892UActive Publication Date: 2026-03-20JIANGSU SHUNFA ELECTRIC HEATING MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Traditional electric heating elements require a lot of time and manpower to disassemble and replace in drying equipment, resulting in low efficiency and inconvenience in maintenance.

Method used

A novel stainless steel flat electric heating tube that is easy to maintain has been designed. Through the cooperation of a snap-fit ​​device and a plug-in device, the electric heating tube can be quickly installed and disassembled. The plug-in structure with flexible plug and fixing hole and snap-fit ​​hole simplifies the replacement process of the electric heating tube.

Benefits of technology

It improves the speed of installing and removing electric heating elements, simplifies the maintenance process, saves time when replacing heating wires, and facilitates later maintenance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224021892U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel stainless steel flat electric heating tube convenient to maintain, which belongs to the technical field of electric heating and comprises a drying oven wall, a plurality of clamping devices are arranged in the drying oven wall, a plurality of electric heating tube upper portions are arranged on the right side of the drying oven wall, and electric heating tube lower portions are arranged at the bottoms of the electric heating tube upper portions. The left sides of the electric heating tube upper portion and the electric heating tube lower portion are fixedly connected with inserting devices, and placing grooves are formed in the electric heating tube upper portion and the electric heating tube lower portion. According to the utility model, the inserting part is arranged, the clamping hole in the inserting part is inserted into the clamping column arranged on the clamping device, so that the oven wall and the electric heating tube can be quickly mounted, the spring is extruded by shifting the shifting block to enable the clamping column to move upwards, the oven wall and the electric heating tube can be quickly dismounted, and the electric heating tube is divided into the upper part and the lower part; and through the fixing holes and the elastic plugs, the heating wires in the heating pipe can be quickly disassembled and assembled, so that the disassembly and replacement efficiency of the heating pipe is improved, and later maintenance is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the electric heating technical field, concretely relates to a novel stainless steel flat electric heating tube convenient to maintain. BACKGROUND

[0002] The drying equipment is widely used in industrial production, agricultural processing and household appliances, and one of its core components is the electric heating tube. The electric heating tube converts electrical energy into heat energy to provide a stable heat source for the drying process. Traditional electric heating tubes are mostly designed in a flat shape, and the material is mainly stainless steel, which has the characteristics of high temperature resistance and corrosion resistance. The flat design of the stainless steel flat electric heating tube not only increases the surface area of the electric heating tube and improves the thermal efficiency, but also makes it easier to install and maintain in a small space. The use of stainless steel material ensures the corrosion resistance and durability of the electric heating tube in high temperature and high humidity environments. In addition, the heat distribution of the flat electric heating tube is more uniform, which can effectively improve the overall performance of the drying equipment.

[0003] As part of the electrical equipment, the electrical safety, insulation performance and energy efficiency optimization of the electric heating tube belong to the research scope of electrical engineering. It uses high-performance alloy heating wire as the heating body, which belongs to the innovative application of electric heating elements. The traditional electric heating tube has certain inconvenience in installation and maintenance. Due to its fixed structure design, in the narrow or complex drying equipment, it often takes a lot of time and manpower to disassemble and replace the electric heating tube, which is low in efficiency and inconvenient for later maintenance. CONTENT OF THE UTILITY MODEL

[0004] The technical problem to be solved by the utility model is that the existing equipment cannot achieve the disassembly and replacement of the electric heating tube of the drying equipment, which often requires a lot of time and manpower, is low in efficiency, and is inconvenient for later maintenance.

[0005] The technical scheme adopted to solve the above technical problems is to provide a novel stainless steel flat electric heating tube convenient to maintain.

[0006] Further, the oven wall is provided with a plurality of clamping devices inside, the right side of the oven wall is provided with a plurality of electric heating tube upper parts, the bottom of the electric heating tube upper part is provided with an electric heating tube lower part, the electric heating tube upper part and the electric heating tube lower part are both fixedly connected with plug-in devices on the left side, the electric heating tube upper part and the electric heating tube lower part are provided with placing grooves inside, the placing grooves are provided with heating wires inside, the heating wires are all fixedly connected with power supply insertion rods at one end close to the oven wall, and the power supply insertion rods are located inside the oven wall.

[0007] Through the above technical scheme, the electric heating tube upper part and the electric heating tube lower part are fixed through the cooperation of the clamping devices and the plug-in devices, the position of the heating wire is fixed through the placing groove, the oven and the heating wire are connected through the power supply insertion rod, the power supply insertion rod supplies power to the heating wire, and the heating wire generates heat to make the oven work.

[0008] Further, the upper part of the electric heating tube is fixedly connected with a plurality of elastic plugs, and the lower part of the electric heating tube is provided with a plurality of fixing holes, the fixing holes and the elastic plugs are correspondingly arranged, and the fixing holes and the elastic plugs are inserted.

[0009] Through the above technical scheme, the lower part of the electric heating tube and the upper part of the electric heating tube can be quickly installed and disassembled through the insertion of the fixing holes and the elastic plugs, the replacement time of the heating wire is saved, and the maintenance of the electric heating tube of the oven in the later period is facilitated.

[0010] Further, the clamping device comprises a knob, the top of the knob is fixedly connected with a spring, the spring is fixedly connected with the oven wall, the bottom of the knob is fixedly connected with a plurality of clamping columns, and the spring and the clamping columns are located inside the oven wall.

[0011] Through the above technical scheme, the electric heating tube can be quickly fixed through the elasticity of the spring and the cooperation of the clamping columns, the electric heating tube can be quickly disassembled by pressing the spring by rotating the knob, and the installation and disassembly speed of the electric heating tube is effectively improved.

[0012] Further, the insertion device comprises an insertion part, the insertion part is inserted with the oven wall, the middle of the side close to the oven wall of the insertion part is provided with a reserved slot, a limiting piece is clamped in the reserved slot, the limiting piece and the power supply insertion rod are correspondingly arranged, and the power supply insertion rod penetrates through the limiting piece.

[0013] Further, the top of the insertion part is provided with a plurality of clamping holes, the clamping holes and the clamping columns are correspondingly arranged, and the clamping holes and the clamping columns are inserted.

[0014] Through the above technical scheme, the positions of the heating wire and the power supply insertion rod can be fixed through the cooperation of the reserved slot and the limiting piece, and the electric heating tube is convenient to install and disassemble through the cooperation of the clamping holes and the clamping device.

[0015] The beneficial effects of the novel stainless steel flat electric heating tube are as follows: the insertion part is arranged, the clamping holes on the insertion part are inserted with the clamping columns arranged on the clamping device, the oven wall and the electric heating tube can be quickly installed, the clamping columns are moved upward by rotating the knob and pressing the spring, the oven wall and the electric heating tube can be quickly disassembled, the electric heating tube is divided into upper and lower parts, the heating wire in the electric heating tube can be quickly disassembled and installed through the fixing holes and the elastic plugs, the disassembly and replacement efficiency of the heating tube is improved, and the maintenance in the later period is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a three-dimensional structure diagram of the novel stainless steel flat electric heating tube convenient to maintain;

[0017] Figure 2It is the stereogram of the upper part of the electric heating tube of the novel stainless steel flat electric heating tube convenient to maintain of the utility model;

[0018] Figure 3 It is the stereogram of the lower part of the electric heating tube of the novel stainless steel flat electric heating tube convenient to maintain of the utility model; Figure 2 The enlarged view of A of the novel stainless steel flat electric heating tube convenient to maintain of the utility model;

[0019] Figure 4 It is the stereogram of the lower part of the electric heating tube of the novel stainless steel flat electric heating tube convenient to maintain of the utility model;

[0020] Figure 5 It is the stereogram of the upper part of the electric heating tube of the novel stainless steel flat electric heating tube convenient to maintain of the utility model;

[0021] Figure 6 It is the stereogram of the clamping device of the novel stainless steel flat electric heating tube convenient to maintain of the utility model.

[0022] The figure mark: 1, the oven wall; 2, clamping device; 201, the push block; 202, spring; 203, clamping column; 3, the upper part of electric heating tube; 4, the lower part of electric heating tube; 5, the placing groove; 6, heating wire; 7, fixed hole; 8, elastic plug; 9, plug-in device; 901, plug-in part; 902, clamping hole; 903, limiting piece; 904, reserved slot; 10, power-on insertion rod. DETAILED DESCRIPTION

[0023] In order to make the utility model's purpose, technical scheme and advantage more clearly, following combining with the drawing and example, the utility model is further detailedly explained.It should be understood that the specific example described here is only used to explain the utility model, and is not used to limit the utility model.

[0024] As shown in Figure 1 - Figure 6 A novel stainless steel flat electric heating tube convenient to maintain includes oven wall 1, the inside of oven wall 1 is equipped with several clamping devices 2, clamping device 2 includes push block 201, push block 201 is used to extrude spring 202, makes clamping column 203 and clamping hole 902 remove fixed, facilitates the disassembly electric heating tube, the top of push block 201 is fixedly connected with spring 202, spring 202 is used to utilize the elasticity of itself under the cooperation of push block 201 and clamping column 203 and fixed electric heating tube, spring 202 and oven wall 1 are fixedly connected, the bottom of push block 201 is fixedly connected with several clamping columns 203, spring 202 and clamping column 203 are all located in the inside of oven wall 1.

[0025] The right side of the oven wall 1 is provided with a plurality of electric heating pipe upper portions 3, the bottom of the electric heating pipe upper portion 3 is provided with an electric heating pipe lower portion 4, the bottom of the electric heating pipe upper portion 3 is fixedly connected with a plurality of elastic plugs 8, the elastic plug 8 is used to cooperate with the fixing hole 7 to fix the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4, the top of the electric heating pipe lower portion 4 is provided with a plurality of fixing holes 7, the fixing hole 7 and the elastic plug 8 are correspondingly arranged, and the fixing hole 7 and the elastic plug 8 are inserted, the left side of the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 is fixedly connected with a plug-in device 9, the plug-in device 9 is used to be inserted into the inside of the oven wall 1.

[0026] The electric heating pipe is fixed under the cooperation of the clamping device 2, the plug-in device 9 includes a plug-in part 901, the plug-in part 901 is inserted into the oven wall 1, the plug-in part 901 is provided with a reserved slot 904 near the middle of the side of the oven wall 1, the reserved slot 904 is clamped with a limiting piece 903 inside, the limiting piece 903 is used to limit the position of the heating wire 6 and the power supply plug 10, the limiting piece 903 and the power supply plug 10 are correspondingly arranged, and the power supply plug 10 penetrates through the limiting piece 903, the top of the plug-in part 901 is provided with a plurality of clamping holes 902, the clamping hole 902 and the clamping column 203 are correspondingly arranged, and the clamping hole 902 and the clamping column 203 are inserted, the inside of the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 is provided with a placing slot 5, the inside of the placing slot 5 is provided with a heating wire 6, the heating wire 6 is used to be powered and heated under the cooperation of the power supply plug 10, so that the oven works, the end of the heating wire 6 near the oven wall 1 is fixedly connected with a power supply plug 10, the power supply plug 10 is used to power the heating wire 6, and the power supply plug 10 is located inside the oven wall 1.

[0027] The working principle of the embodiment is as follows, when installing, the heating wire 6 is placed in the placing slot 5 between the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4, and the position of the heating wire 6 is fixed through the cooperation of the limiting piece 903 and the reserved slot 904, then the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 are fixed by inserting the elastic plug 8 arranged on the electric heating pipe upper portion 3 and the fixing hole 7 arranged on the electric heating pipe lower portion 4, and the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 are inserted into the oven wall 1.

[0028] The clamping hole 902 arranged on the plug-in device 9 is inserted with the clamping column 203 arranged on the clamping device 2, so that the electric heating pipe upper portion 3, the electric heating pipe lower portion 4 and the oven wall 1 are fixed, and the oven wall 1 and the heating wire 6 are connected through the power supply plug 10, so that the oven wall 1 works, when the heating wire 6 needs to be replaced due to damage, the push block 201 can be pushed upward to press the spring 202, and at the same time the clamping column 203 rises and is separated from the clamping hole 902, at this time the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 can be taken down, and the electric heating pipe upper portion 3 and the electric heating pipe lower portion 4 are separated to replace the heating wire 6 inside, after the replacement is completed, the installation step is performed again.

[0029] The above merely describes a preferred embodiment of the present application, and is not intended to limit the scope of protection of the present application.

Claims

1. A novel stainless steel flat electric heating tube that is easy to maintain, comprising an oven wall (1), characterized in that: The oven wall (1) is provided with several snap-fit ​​devices (2) inside. The oven wall (1) is provided with several upper heating tubes (3) on the right side. The lower heating tubes (4) are provided at the bottom of the upper heating tubes (3). The upper heating tubes (3) and the lower heating tubes (4) are fixedly connected with plug-in devices (9) on the left side. The upper heating tubes (3) and the lower heating tubes (4) are provided with placement grooves (5) inside. The placement grooves (5) are provided with heating wires (6) inside. The heating wires (6) are fixedly connected with power-conducting plugs (10) at the end near the oven wall (1). The power-conducting plugs (10) are located inside the oven wall (1).

2. The novel stainless steel flat electric heating tube for easy maintenance according to claim 1, characterized in that, The upper part (3) of the electric heating tube is fixedly connected to several elastic plugs (8), and the lower part (4) of the electric heating tube is provided with several fixing holes (7) at the top. The fixing holes (7) and the elastic plugs (8) are correspondingly arranged, and the fixing holes (7) and the elastic plugs (8) are plugged in.

3. The novel stainless steel flat electric heating tube for easy maintenance according to claim 1, characterized in that, The latching device (2) includes a lever (201), a spring (202) is fixedly connected to the top of the lever (201), the spring (202) is fixedly connected to the oven wall (1), and a plurality of latching posts (203) are fixedly connected to the bottom of the lever (201). The spring (202) and the latching posts (203) are both located inside the oven wall (1).

4. A novel stainless steel flat electric heating tube for easy maintenance according to claim 1, characterized in that, The plug-in device (9) includes a plug-in part (901), which is plugged into the oven wall (1). The plug-in part (901) has a reserved groove (904) in the middle of the side near the oven wall (1). A limiting member (903) is engaged inside the reserved groove (904). The limiting member (903) and the power-conducting plug (10) are correspondingly arranged, and the power-conducting plug (10) passes through the limiting member (903).

5. A novel stainless steel flat electric heating tube for easy maintenance according to claim 4, characterized in that, The top of the plug-in part (901) is provided with a plurality of snap-fit ​​holes (902), the snap-fit ​​holes (902) and snap-fit ​​posts (203) are provided correspondingly, and the snap-fit ​​holes (902) and snap-fit ​​posts (203) are plugged in.