CN209787484U - Novel electric heating pipe structure - Google Patents

Abstract

the utility model discloses a novel electric heating tube structure, including nonrust steel pipe sheath, the armor is provided with the plug that generates heat in nonrust steel pipe sheath's the inner chamber, the plug that generates heat is cylindric barred body, and the outer wall of the plug that generates heat on the spiral roll up the abdomen have the multilayer heater, the spliced eye of having seted up lead wire high temperature line in the plug that generates heat, lead wire high temperature line inserts and establishes in the spliced eye that sets up on the plug that generates heat at the inside a line fixed mounting of nonrust steel pipe sheath, the installation of nonrust steel pipe sheath's right side open end is equipped with ceramic pearl end, set up the hole of dodging of having lead wire high temperature line on the ceramic pearl end, it fills the insulating powder inside nonrust steel pipe sheath to generate heat to be provided with the armor between. By adopting the technical scheme, the structure is simple, the armor assembly is convenient, the phenomenon of short circuit caused by easy contact of the outgoing line connector can be avoided, and the application range is wider.

Description

Novel electric heating pipe structure

Technical Field

The utility model relates to an electrothermal tube technical field, in particular to novel electrothermal tube structure.

Background

The existing electric heating tube takes a metal tube as a shell, spiral electric heating alloy wires are uniformly distributed along the axial direction of the center in the metal tube, magnesia sand with good insulation and heat conduction performance is filled and compacted in gaps of the electric heating tube, two ends of a tube opening are sealed by silica gel, and the metal armored electric heating element can heat air, metal molds and various liquids; the electric heating element has the characteristics of simple structure, high mechanical strength, high thermal efficiency, safety, reliability, simplicity and convenience in installation, long service life and the like, and is applied to electric heating elements of plastic forming dies, hot-press forming machinery, cigarette machinery, pharmaceutical machinery, shoe making industry, packaging machinery and other equipment.

However, in the use process of the existing electric heating tube, because the traditional outgoing line is not easy to bend and use and is easy to cause the situation of pulling and breaking the line, the joint of the outgoing line is easy to contact to generate the short circuit phenomenon, the electric heating tube is easy to damage, and the electric heating tube is difficult to replace, therefore, a novel electric heating tube structure is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel electric heating pipe structure is provided, its simple structure, assembly simple to operate, the application is wider.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel electric heating tube structure, includes nonrust steel pipe sheath, heating core rod, heater, insulating powder, ceramic pearl end, lead wire high temperature line, the armor is provided with the heating core rod in the inner chamber of nonrust steel pipe sheath, the heating core rod is cylindric barred body, and the outer wall of heating core rod on the spiral roll the abdomen have the multilayer heater, the spliced eye of lead wire high temperature line has been seted up in the heating core rod, lead wire high temperature line inserts and establishes in the spliced eye that a line end fixed mounting seted up on the heating core rod of nonrust steel pipe sheath inside, the right side open end installation of nonrust steel pipe sheath is equipped with ceramic pearl end, set up the hole of dodging of lead wire high temperature line on the ceramic pearl end, it fills the insulating powder inside nonrust steel pipe sheath to be provided with the armor between heating core rod and the ceramic pearl end.

Preferably, the heating core rod is a purified seawater magnesium rod.

Preferably, the heating wire is a BGH type heating wire.

Preferably, the lead high-temperature wire adopts a high-temperature-resistant pure nickel core wire with the temperature ranging from 500 ℃ to 800 ℃.

Preferably, the number of the lead high-temperature wires is one or more.

The beneficial effect of adopting above technical scheme is: the structure is simple, the armor assembly is convenient, and the heating core rod in the axis direction is arranged in the stainless steel pipe sheath, so that the electric heating pipe is integrally resistant to movement and higher in bending strength; and the lead high-temperature wire made of the high-temperature-resistant pure nickel core wire has strong bending resistance, is convenient to connect and use, and can avoid the phenomenon that the joint of the lead wire is easy to contact to generate short circuit.

Drawings

Fig. 1 is a schematic structural view of a novel electric heating tube structure of the present invention;

Fig. 2 is a schematic cross-sectional view of a novel electric heating tube structure of the present invention;

Fig. 3 is a partial sectional view of the novel electric heating tube structure of the present invention.

Wherein, 1-stainless steel tube sheath; 2-heating core rod; 3-a heating wire; 4-insulating powder; 5-ceramic bead ends; 6-lead high temperature wire.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the present invention has the following specific embodiments: a novel electric heating tube structure comprises a stainless steel tube sheath 1, a heating core rod 2, a heating wire 3, insulating powder 4, ceramic bead ends 5 and a lead high-temperature wire 6, a heating core rod 2 is sheathed in the inner cavity of the stainless steel pipe sheath 1, the heating core rod 2 is a cylindrical rod body, and the outer wall of the heating core rod 2 is spirally coiled with a plurality of layers of heating wires 3, the heating core rod 2 is internally provided with a splicing hole for leading a high-temperature wire 6, the lead wire high-temperature wire 6 is inserted into one end of the stainless steel tube sheath 1 and is fixedly arranged in a plug hole arranged on the heating core rod 2, a ceramic bead end 5 is arranged at the right opening end of the stainless steel tube sheath 1, a avoidance hole of a lead high-temperature wire 6 is arranged on the ceramic bead end 5, and insulating powder 4 armored and filled in the stainless steel tube sheath 1 is arranged between the heating core rod 2 and the ceramic bead end 5.

The heating core rod 2 adopts a purified seawater magnesium rod, so that the whole anti-movement and bending strength of the electric heating tube is higher.

The heating wire 3 adopts a BGH type heating wire, and the heating wire 3 has high heat conduction and heat efficiency.

The lead high-temperature wires 6 are high-temperature-resistant pure nickel core wires with the temperature range of 500-800 ℃, the number of the lead high-temperature wires 6 is one or more, so that the lead high-temperature wires 6 can be selected according to the use condition of heating equipment, the heating is convenient to control, and the lead high-temperature wires 6 made of the high-temperature-resistant pure nickel core wires have strong bending resistance and are convenient to connect and use.

The utility model discloses an implement like this: a lead high-temperature wire 6 is prepared from a high-temperature-resistant pure nickel core wire to electrify and heat the heating core rod 2, and a plurality of layers of heating wires 3 are spirally wound on the outer wall of the heating core rod 2 to further transmit the temperature of electrifying and heating to the stainless steel pipe sheath 1, so that the heat conduction temperature received by the stainless steel pipe sheath 1 is heated, and the realization principle is simple; the lead high-temperature wire 6 is inserted into a jack of the lead high-temperature wire 6, the ceramic bead end 5 arranged at the opening end of the stainless steel tube sheath 1 is used for avoiding and fixing, and the insulating powder 4 filled in the stainless steel tube sheath 1 in an armored manner is arranged between the heating core rod 2 and the ceramic bead end 5 to play a role of insulating protection, so that the phenomenon that a lead connector is easily contacted to generate a short circuit is avoided. By adopting the technical scheme, the structure is simple, the armor assembly is convenient, and the heating core rod in the axis direction is arranged in the stainless steel pipe sheath, so that the electric heating pipe is integrally resistant to movement and has higher bending strength; and the lead high-temperature wire made of the high-temperature-resistant pure nickel core wire has strong bending resistance, is convenient to connect and use, and can avoid the phenomenon that the joint of the lead wire is easy to contact to generate short circuit.

the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims (5)

1. A novel electric heating tube structure comprises a stainless steel tube sheath (1), a heating core rod (2), a heating wire (3), insulating powder (4), a ceramic bead end (5) and a lead high-temperature wire (6), and is characterized in that the heating core rod (2) is sheathed in an inner cavity of the stainless steel tube sheath (1), the heating core rod (2) is a cylindrical rod body, a plurality of layers of heating wires (3) are spirally coiled on the outer wall of the heating core rod (2), an inserting hole of the lead high-temperature wire (6) is formed in the heating core rod (2), one end of the lead high-temperature wire (6) inserted in the stainless steel tube sheath (1) is fixedly arranged in the inserting hole formed in the heating core rod (2), the ceramic bead end (5) is arranged at the right side opening end of the stainless steel tube sheath (1), and a avoiding hole of the lead high-temperature wire (6) is formed in the ceramic bead end (5), and insulating powder (4) armored and filled in the stainless steel tube sheath (1) is arranged between the heating core rod (2) and the ceramic bead end (5).

2. The novel electric heating pipe structure as claimed in claim 1, wherein the heating core rod (2) is a purified seawater magnesium rod.

3. A novel electric heating tube structure as claimed in claim 1, characterized in that the heating wire (3) is a BGH type heating wire.

4. The novel electric heating tube structure as claimed in claim 1, wherein the lead high temperature wire (6) is a high temperature resistant pure nickel core wire with a temperature range of 500-800 ℃.

5. A novel electric heating tube structure as claimed in claim 1, characterized in that the number of lead wires (6) is one or more.