Tungsten filament heating tube

Abstract

The utility model discloses a tungsten filament heating tube, which comprises a heat insulation protective sleeve, an inner heating tube, a waterproof heat transfer tube and a tungsten filament, the tungsten filament is wound on the outer side of the inner heating tube, the waterproof heat transfer tube is protected on the outer side of the tungsten filament, the heat insulation protective sleeve is arranged on the outer side of the waterproof heat transfer tube, and the end part of the heat insulation protective sleeve is connected with a mounting sleeve. And a power connection head is arranged at the end part of the mounting sleeve. The inner heating pipe is arranged, the tungsten filament is arranged on the outer side of the inner heating pipe, so that the heat transfer effect can be improved, the waterproof heat transfer pipe is arranged on the outer side of the tungsten filament, the heat transfer uniformity can be improved through the waterproof heat transfer pipe, and the inner heating pipe can be protected; the protective ring is arranged on the outer side of the heat insulation protective sleeve, so that the anti-scald protection can be realized, the pressure-resistant and explosion-proof protection can be realized, the safety is greatly improved, the mounting sleeves are arranged at the two ends of the heat insulation protective sleeve, and the protective rods are arranged on the outer sides of the mounting sleeves, so that the anti-falling and explosion-proof protection can be realized for the heating pipe.

Description

Technical Field

[0001] The utility model relates to the relevant field of heating tubes, in particular to a tungsten wire heating tube. Background Art

[0002] The heating tube is made by putting electric heating wire into a seamless metal tube (carbon steel tube, titanium tube, stainless steel tube, copper tube), filling the gap with magnesium oxide powder with good thermal conductivity and insulation, and then shrinking the tube, and then processing it into various shapes required by users. It has a simple structure, high thermal efficiency, good mechanical strength, and good adaptability to harsh environments. It can be used to heat various liquids and acids, alkalis, and salts, and is also suitable for heating and melting metals with low melting points;

[0003] For example, the authorized patent with publication number CN209966186U (stainless steel heating rod): including, a heating rod upper shell, a sudden jump thermostat, a heating rod sealing ring, a fuse, and a heating rod lower shell. The heating rod upper shell and the heating rod lower shell are connected together by threads, and a heating rod sealing ring is provided at the connection position of the heating rod upper shell and the heating rod lower shell. The heating rod lower shell is a cylindrical shape with an open upper end, and the heating rod upper shell is a hollow structure inside. A mounting flange is fixedly provided at the upper end of the heating rod upper shell, and a heating element is installed inside the heating rod lower shell. The heating element is connected to a fuse through a wire, and the fuse is electrically connected to a sudden jump thermostat, and a coupler mounting hole is provided on the mounting flange. The coupler mounting hole is used to install a coupler. When the sudden jump thermostat is in use, the coupler is electrically connected to the coupler through a wire, so that the power supply system of the agitator itself can provide electrical energy to the heating rod. The setting of this structure greatly saves after-sales costs;

[0004] The above-mentioned prior art has explosion-proof and drop-proof capabilities, cannot provide external pressure protection, is not safe enough, and the installation and fixation of the internal heating pipe is not convenient enough, the heat transfer effect is not enough, and the heat transfer is not precise enough, the heat transfer efficiency is low, and heat transfer safety protection cannot be provided. Utility Model Content

[0005] The purpose of the utility model is to provide a tungsten wire heating tube to solve the problems of explosion-proof and drop-proof capabilities proposed in the above-mentioned background technology, inability to perform external pressure resistance protection, insufficient safety, inconvenient installation and fixation of the internal heating tube, insufficient heat transfer effect, insufficient heat transfer precision, low heat transfer efficiency, and inability to perform heat transfer safety protection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tungsten wire heating tube, comprising a heat-insulating protective sleeve, an inner heating tube, a waterproof heat transfer tube and a tungsten wire, the outer side of the inner heating tube is coiled with a tungsten wire, the waterproof heat transfer tube is protected on the outer side of the tungsten wire, the outer side of the waterproof heat transfer tube is provided with a heat-insulating protective sleeve, and the end of the heat-insulating protective sleeve is connected to the mounting sleeve, and the end of the mounting sleeve is provided with an electrical connector.

[0007] In a further embodiment, two mounting sleeves are provided, and the two mounting sleeves are connected by six protective rods.

[0008] In a further embodiment, plugs are provided at both ends of the waterproof heat transfer tube, and the plugs are tightly plugged and fixed to the middle of the installation sleeve.

[0009] In a further embodiment, the waterproof heat transfer pipe is connected to the inner side of the heat insulation protective sleeve via a plurality of support frames, and the support frames have heat transfer capability.

[0010] In a further embodiment, a protective ring is provided on the outer side of the thermal insulation protective sleeve, and the protective ring surrounds the outer side of the thermal insulation protective sleeve.

[0011] In a further embodiment, the end of the installation sleeve is provided with inner and outer double notches, and the end of the thermal insulation protective sleeve is inlaid and assembled with the outer notches.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with an inner heating tube, and a tungsten wire is provided on the outer side of the inner heating tube to improve the heat transfer effect. A waterproof heat transfer tube is provided on the outer side of the tungsten wire to improve the uniformity of heat transfer and protect the inner heating tube.

[0014] 2. The utility model is provided with a heat-insulating protective sleeve, and a protective ring is provided on the outside of the heat-insulating protective sleeve to provide protection against scalding, pressure and explosion, and greatly improve safety. Installation sleeves are provided at both ends of the heat-insulating protective sleeve, and a protective rod is provided on the outside of the installation sleeve, through which the heating pipe can be protected against falling and explosion, greatly improving safety. The installation sleeve facilitates the installation of the waterproof heat transfer pipe and the heat-insulating protective sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a tungsten wire heating tube of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the protection rod of the utility model;

[0017] Figure 3 It is a cross-sectional view of the installation sleeve of the utility model;

[0018] Figure 4 It is a structural schematic diagram of part A of the utility model.

[0019] In the figure: 1. Protective rod; 2. Heat insulation protective cover; 3. Internal heating tube; 4. Waterproof heat transfer tube; 5. Tungsten wire; 6. Electrical connector; 7. Installation cover; 8. Support frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a tungsten wire heating tube, comprising a heat insulation protection sleeve 2, an inner heating tube 3, a waterproof heat transfer tube 4 and a tungsten wire 5. The outer side of the inner heating tube 3 is coiled with a tungsten wire 5, and the waterproof heat transfer tube 4 is protected on the outer side of the tungsten wire 5. The outer side of the waterproof heat transfer tube 4 is provided with a heat insulation protection sleeve 2, and the end of the heat insulation protection sleeve 2 is connected to the installation sleeve 7, and the end of the installation sleeve 7 is provided with an electric connector 6; the tungsten wire 5 is used for heat conduction, and the inner heating tube 3 can be heat-transferred and waterproofed by the waterproof heat transfer tube 4. The outer side of the waterproof heat transfer tube 4 can be heat-insulated by the heat insulation protection sleeve 2, and the installation sleeve 7 is convenient for installing the heat insulation protection sleeve 2, and the installation sleeve 7 is convenient for connecting electricity by the electric connector 6; there are two installation sleeves 7, and the two installation sleeves 7 are connected by six protection rods 1, and the protection ability of the installation sleeve 7 can be improved by the protection rods 1.

[0022] Both ends of the waterproof heat transfer tube 4 are provided with plugs, and the plugs are tightly inserted and fixed to the middle of the installation sleeve 7. This design facilitates the installation of the waterproof heat transfer tube 4; the waterproof heat transfer tube 4 is connected to the inner side of the thermal insulation protective sleeve 2 through multiple support frames 8. The support frames 8 have heat transfer ability. The waterproof heat transfer tube 4 and the thermal insulation protective sleeve 2 are reinforced by the support frames 8; a protective ring is provided on the outside of the thermal insulation protective sleeve 2, and the protective ring surrounds the outside of the thermal insulation protective sleeve 2. The protective effect of the thermal insulation protective sleeve 2 can be improved by the protective ring; the end of the installation sleeve 7 is provided with inner and outer double notches, and the end of the thermal insulation protective sleeve 2 is inlaid and assembled with the outer notch. This design of the installation sleeve 7 is convenient for assembly with the thermal insulation protective sleeve 2.

[0023] Working principle: When in use, the waterproof heat transfer tube 4 can be used to conduct waterproof heat transfer to the inner heating tube 3, the tungsten wire 5 is used to transfer heat, the heat insulation sleeve 2 can protect the waterproof heat transfer tube 4 from scalding, the support frame 8 is used to strengthen the firmness of the connection between the waterproof heat transfer tube 4 and the heat insulation sleeve 2, the two ends of the waterproof heat transfer tube 4 are connected to the installation port in the middle of the installation sleeve 7, and the power connector 6 is used to connect electricity, so that it is convenient to supply power to the waterproof heat transfer tube 4 and heat the inner heating tube 3.

[0024] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A tungsten wire heating tube, comprising a heat-insulating protective sleeve (2), an inner heating tube (3), a waterproof heat transfer tube (4) and a tungsten wire (5), characterized in that: A tungsten wire (5) is coiled around the outer side of the inner heating tube (3), the waterproof heat transfer tube (4) is protected on the outer side of the tungsten wire (5), a heat insulation protective sleeve (2) is provided on the outer side of the waterproof heat transfer tube (4), and the end of the heat insulation protective sleeve (2) is connected to the installation sleeve (7), and the end of the installation sleeve (7) is provided with an electrical connector (6).

2. A tungsten wire heating tube according to claim 1, characterized in that: There are two installation sleeves (7) in total, and the two installation sleeves (7) are connected via six protection rods (1).

3. The tungsten wire heating tube according to claim 1, characterized in that: Both ends of the waterproof heat transfer pipe (4) are provided with plugs, and the plugs are tightly plugged and fixed to the middle of the installation sleeve (7).

4. The tungsten wire heating tube according to claim 1, characterized in that: The waterproof heat transfer pipe (4) is connected to the inner side of the heat insulation protective sleeve (2) via a plurality of support frames (8), and the support frames (8) have heat transfer capability.

5. The tungsten wire heating tube according to claim 1, characterized in that: A protective ring is provided on the outer side of the heat-insulating protective sleeve (2), and the protective ring surrounds the outer side of the heat-insulating protective sleeve (2).

6. The tungsten wire heating tube according to claim 1, characterized in that: The end of the installation sleeve (7) is provided with inner and outer double notches, and the end of the heat insulation protection sleeve (2) is inlaid and assembled with the outer notches.

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