Heating wire connecting structure of high-temperature heater

Abstract

The utility model discloses a heating wire connecting structure of a high-temperature heater. The heating wire connecting structure comprises a heating wire outgoing line, a first mechanical bolt, a second mechanical bolt, a conducting strip, an L-shaped ceramic block and a ceramic nut. According to the utility model, the structural design is reasonable, the heating wire leading-out wire is fixed by adopting an independent group of mechanical bolts I, the power supply terminal is fastened on another group of mechanical bolts II, the heating wire leading-out wire and the power supply terminal are separated and independent, any one is fastened without influencing the other one, the fastening state of the heating wire leading-out wire is not influenced when the power line terminal is disassembled and assembled, and the disassembly and assembly efficiency is improved. The heating wire outgoing line is fixed by a mechanical bolt I, so that daily maintenance, repair and replacement of the furnace body heating unit are facilitated, and the use cost of a use unit is reduced; the L-shaped ceramic block and the ceramic tube arranged at the heating wire outgoing line are adopted to isolate the heating wire outgoing line from the furnace body shell, the heating wire outgoing line and the heating wire part are short-circuited abnormally, and the use safety and stability of the furnace body are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature heater field, concretely is a kind of heating line connecting structure of high temperature heater. BACKGROUND

[0002] The heating line connecting mode of existing high temperature heater usually adopts welding method, the lead-out wire of heating wire is directly welded on intermediate conductive metal gasket, then is connected with power line terminal through nut fastening, and there is no insulation measure at the lead-out wire of heating wire, so there are following several defects:

[0003] 1, welding destroys the metal lattice at the lead-out wire of heating wire, generates thermal stress, welding high temperature (usually about 2300 °C) leads to the increase of thermal embrittlement of heating wire, thereby leading to the risk of brittle fracture, and the service life of heating wire is short;

[0004] 2, the lead-out wire of heating wire adopts welding mode, heating body unit cannot be repaired and replaced, and only new heating furnace body can be replaced, so that the daily use and maintenance cost is increased;

[0005] 3, heating lead-out wire and power line terminal are installed on the same bolt, so that heating lead-out wire and power line terminal are mutually influenced when being fastened, and the loose heating wire or power line terminal easily leads to the increase of contact resistance, and further leads to abnormal heating, oxidation and fuse at wiring terminal;

[0006] 4, heating lead-out wire is led out from furnace body to ceramic wiring terminal, without insulation measure, because heating wire expands and shrinks when working, and heating wire deforms and displaces to lead to electric leakage and safety accident. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the above problems and provides a kind of heating line connecting structure of high temperature heater.

[0008] The utility model realizes the above-mentioned purposes by the following technical schemes, a kind of heating line connecting structure of high temperature heater, including heating wire lead-out wire, mechanical bolt one, mechanical bolt two, conductive sheet, L type ceramic block and ceramic nut, mechanical bolt one and mechanical bolt two are fixedly installed with interval at the vertical block portion of L type ceramic block, and two ceramic nuts are equipped on mechanical bolt one and mechanical bolt two, the ring buckle part of heating wire lead-out wire is fastened between the two ceramic nuts on mechanical bolt one, and heating wire lead-out wire is wrapped with ceramic tube, and the back end between the same group of mechanical bolt one and mechanical bolt two is connected with each other through conductive sheet.

[0009] Preferably, the mechanical bolt two is fixedly connected with the one end of external power line through two ceramic nuts.

[0010] Preferably, the L-shaped ceramic block is fixedly installed at the top surface of the furnace body connector.

[0011] Preferably, the transverse block portion of the L-shaped ceramic block is provided with a perforated structure.

[0012] Preferably, the mechanical bolt one and the mechanical bolt two are both made of conductive metal material.

[0013] Compared with the prior art, the advantages of the utility model lie in that the heating wire outgoing line is fixed by independent mechanical bolt one, and the power terminal is fastened on another mechanical bolt two, which are independent and fastened on either side without affecting the other side, so that the fastening state of the heating wire outgoing line is not affected when the power line terminal is disassembled and assembled, the mechanical bolt one of the heating wire outgoing line is convenient for daily maintenance, repair and replacement of the furnace body heating unit, reduces the use cost of the user, the heating wire outgoing line is led out from the furnace body to the ceramic wiring row, the L-shaped ceramic block and the ceramic tube arranged at the heating wire outgoing line are used to isolate the heating wire outgoing line and the furnace body shell, and the heating wire outgoing line and the heating heating wire part short circuit abnormity, and the use safety and stability of the furnace body are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0015] Fig. 1 It is the perspective view of the overall structure of the utility model;

[0016] Fig. 2 It is the side view of the overall structure of the utility model;

[0017] Fig. 3 It is the enlarged view of the partial structure of the utility model.

[0018] In the drawing: 1, heating wire outgoing line;110, ceramic tube;2, mechanical bolt one;3, mechanical bolt two;4, conductive sheet;5, L-shaped ceramic block;6, furnace body connector;7, ceramic nut. DETAILED DESCRIPTION

[0019] In order to make the purpose, characteristics and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model embodiments will be clearly and completely described below in combination with the drawings of the utility model embodiments. Obviously, the embodiments described below are only some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] The technical solutions of the utility model will be further described below in combination with the drawings and through specific embodiments.

[0021] In the description of the utility model, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] Please refer to Figs. 1-3 As shown in the figure, a heating wire connecting structure of a high-temperature heater comprises a heating wire lead-out wire 1, a mechanical bolt one 2, a mechanical bolt two 3, a conductive sheet 4, an L-shaped ceramic block 5 and a ceramic nut 7, the mechanical bolt one 2 and the mechanical bolt two 3 are fixedly installed at the vertical block part of the L-shaped ceramic block 5 in an alternating manner, and two ceramic nuts 7 are arranged on the mechanical bolt one 2 and the mechanical bolt two 3, the looped part of the heating wire lead-out wire 1 is fastened between the two ceramic nuts 7 on the mechanical bolt one 2, and the heating wire lead-out wire 1 is wrapped with a ceramic tube 110, and the rear ends of the mechanical bolt one 2 and the mechanical bolt two 3 in the same group are connected to each other through the conductive sheet 4.

[0023] Further, the mechanical bolt two 3 is clamped and fixedly connected with one end of an external power supply wire through the two ceramic nuts 7.

[0024] Further, the L-shaped ceramic block 5 is fixedly installed at the top surface of the furnace body connecting piece 6.

[0025] Further, the horizontal block part of the L-shaped ceramic block 5 is provided with a perforated structure.

[0026] Further, the mechanical bolt one 2 and the mechanical bolt two 3 are both made of conductive metal material.

[0027] Working principle: the heating wire leading-out wire 1 adopts a set of mechanical bolts one 2 to be fixed, and the power terminal is fastened on another set of mechanical bolts two 3, the two are separated and independent, fastening any one side has no influence on the other side, when the power line terminal is disassembled, the heating wire leading-out wire 1 fastening state is not affected, and the mechanical bolt one 2 of the heating wire leading-out wire 1 is fixed, which is convenient for daily maintenance, repair and replacement of the furnace body heating unit, reduces the use cost of the use unit, the heating wire leading-out wire 1 is led out from the furnace body to the ceramic wiring row, the L-shaped ceramic block 5 and the ceramic tube 110 placed at the heating wire leading-out wire 1 are used to isolate the heating wire leading-out wire 1 and the furnace body shell, the heating wire leading-out wire 1 and the heating heating wire part short circuit abnormality, improve the safety and stability of the furnace body.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to include all changes falling within the meaning and scope of the essential elements of the claims. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0029] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for some technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A heating wire connection structure of a high-temperature heater, characterized by: It includes heating wire leading-out wire (1), mechanical bolt one (2), mechanical bolt two (3), conducting sheet (4), L-shaped ceramic block (5) and ceramic nut (7), mechanical bolt one (2) and mechanical bolt two (3) are fixedly installed at the vertical block part of the L-shaped ceramic block (5) respectively, two ceramic nuts (7) are arranged on the mechanical bolt one (2) and the mechanical bolt two (3), the loop part of the heating wire leading-out wire (1) is fastened between the two ceramic nuts (7) on the mechanical bolt one (2), the heating wire leading-out wire (1) is wrapped with a ceramic tube (110), the back end of the mechanical bolt one (2) and the mechanical bolt two (3) in the same group are connected with each other through the conducting sheet (4).

2. The heating wire connection structure of a high-temperature heater according to claim 1, characterized in that: The mechanical bolt two (3) is clamped and fixedly connected with one end of the external power supply wire through two ceramic nuts (7).

3. The heater wire connection structure of a high-temperature heater according to claim 1, characterized by: The L-shaped ceramic block (5) is fixedly installed at the top surface of the furnace body connecting piece (6).

4. The heater wire connection structure of a high-temperature heater according to claim 1, characterized by: The horizontal block part of the L-shaped ceramic block (5) is provided with a perforated structure.

5. The heater wire connection structure of a high-temperature heater according to claim 1, characterized by: The mechanical bolt one (2) and the mechanical bolt two (3) are both made of conductive metal material.

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