Electric heating tube opening sealing structure and sealing method thereof
A technology of sealing structure and electric heating tube is applied in the field of electric heating tube to achieve the effect of improving toughness and high and low temperature resistance, ensuring insulation sealing, and not reducing electrical insulation performance.
Pending Publication Date: 2018-06-05
SPRINGFIELD WIRE DONGGUAN
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[0003] This utility is a new technical solution proposed for the shortcomings and problems of existing products or methods. Body electric heating tube and its tube head sealing method
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[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0024] The invention provides a technical solution: a nozzle sealing structure of an electric heating tube, including a tube body, a coil is arranged in the tube body, and the coil is in the shape of a helical spring, so that it can be elastically stretched in the axial direction, and the coil is covered with oxidation Magnesium insulation layer, and the magnesium oxide insulation layer is filled inside the tube body, the two ends of the coil are connected to t...
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The invention discloses an electric heating tube opening sealing structure and a sealing method thereof. The electric heating tube opening sealing structure comprises a metal tube body, wherein the tube body is internally provided with a resistance wire coil; the resistance wire coil takes the shape of a spiral spring and can be elastically stretched and withdrawn axially; the resistance wire coilis wrapped with a magnesium oxide insulating layer; the magnesium oxide insulating layer is arranged inside the tube body; two ends of the coil are connected with corresponding pins; two ends of thetube body are provided with a TDE 85 sealing adhesive; the middle parts of the pins are fixed on the TDE 85 sealing adhesive. The structure has the advantages that the toughness, the low temperature resistance and the high temperature resistance of the TDE 85 adhesive are remarkably improved, the adhesive is particularly applicable to sealing of an electric heating tube, long-term use sealing performance is ensured, the performance of the electric heating tube is improved, and the service life of the electric heating tube is prolonged.
Description
technical field [0001] The invention relates to the technical field of electric heating pipes, in particular to a nozzle sealing structure and a sealing method of electric heating pipes. Background technique [0002] The openings of the electric heating pipe fittings of electric heaters and other components need to be sealed to ensure the insulation performance of the electric heating pipe fittings. However, when the electric heating pipe is in an extremely high or low temperature state, due to the instability of the ordinary sealing material, the cured ordinary sealing material will become brittle and easy to crack, resulting in damage and failure of the electric heating pipe seal, thereby affecting its insulation performance. service life. Contents of the invention [0003] This utility is a new technical solution proposed for the shortcomings and problems of existing products or methods. Body electric heating tube and its tube head sealing method. [0004] In order t...
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IPC IPC(8): H05B3/48H05B3/04
CPCH05B3/04H05B3/48H05B2203/017
Inventor 魏长洪
Owner SPRINGFIELD WIRE DONGGUAN