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Electric heating ring

A technology of electric heating coil and inner shell, which is applied in the direction of ohmic resistance heating parts, etc., can solve the problems of cumbersome connection, waste of working hours and manpower, etc., and achieve the effect of firm connection, saving working hours and manpower, and easy assembly

Inactive Publication Date: 2013-01-09
SUZHOU TAISHENG ELECTRIC HEATING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When in use, the lead wires pass through the inner shell and are connected to the body of the heating coil, then the inner shell is inserted into the outer shell, and the head of the outer shell and even the two wings are fixed to the inner shell with bolts, screws, etc. Obviously, the inner shell and the outer shell The connection is still relatively cumbersome, wasting time and manpower

Method used

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  • Electric heating ring

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Embodiment

[0012] As shown in the accompanying drawings, an electric heating coil includes an electric heating coil body 1 and a lead wire protection shell, the lead wire protection shell includes an inner shell 3 and an outer shell 2 fixed on the electric heating coil body, and the inner shell 3 and the outer shell 2 are plugged and connected ; The inner shell 3 is provided with a limited bump 4, and the outer shell 2 is provided with a type-matched limit hole 5; the limit hole 5 can be a round hole that is easy to process, and can also be other shapes, such as triangles, trapezoids, Square etc., as long as it is matched with the bump 4 type; the material of the inner shell 3 has certain elasticity, available stainless steel etc.

[0013] When in use, the leads pass through the inner shell 3 and are connected to the heating coil body 1, and then the inner shell 3 is inserted along the two wings of the outer shell 2, and the bump 4 on the head of the inner shell 3 is fixed by the limit ho...

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Abstract

The invention provides an electric heating ring which comprises an electric heating ring body and a lead protecting shell, wherein the lead protecting shell comprises an inner shell and an outer shell fixed on the electric heating ring body, and the inner shell is connected with the outer shell in an inserting manner; a bump for limiting is arranged on the inner shell, and a type-matched limiting hole is formed in the outer shell. According to the electric heating ring, the inner shell and the outer shell of the lead protecting shell are directly connected with each other in an inserting manner, bolts, screws and the like are not needed, so that the assembling is very convenient, and the working hours and the manpower are saved; and as the bump for limiting is arranged on the inner shell, and the type-matched limiting hole is formed in the outer shell, the connection of the inner shell and the outer shell is firmer.

Description

technical field [0001] The invention relates to a heating device, in particular to an electric heating coil. Background technique [0002] Heating coils, such as ceramic heating coils and mica sheet heating coils, are common heating equipment for injection molding machines, blow molding machines, and plastic processing machinery. Shell and shell; wherein, the outline of the shell is square, the head of the shell is fixedly connected to the body of the heating coil, the tail is set as an opening, the upper and lower sides are cut in the middle, and the two sides of the shell form the two wings of the shell respectively. When in use, the lead wires pass through the inner shell and are connected to the body of the heating coil, then the inner shell is inserted into the outer shell, and the head of the outer shell and even the two wings are fixed to the inner shell with bolts, screws, etc. Obviously, the inner shell and the outer shell The connection is still relatively cumber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/02
Inventor 郭淑慧
Owner SUZHOU TAISHENG ELECTRIC HEATING EQUIP