Vacuum furnace thermocouple installation leakage-prevention device

A thermocouple and anti-leakage technology, which is applied in the direction of electric devices, measuring devices, and thermometers using electric/magnetic elements that are directly sensitive to heat, can solve the problem of difficult removal of resin, easy failure of seal, and inconvenient installation and disassembly of thermocouples. Convenience and other issues

Inactive Publication Date: 2016-05-04
AVIC STANDARD PARTS MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing thermocouples are installed in various ways, and the main problems are: the seal is easy to fail under the alternating action of positive and negative pressure in the furnace; it is inconvenient to install and disassemble the thermocouple, and it is easy to damage the thermocouple wire during installation and d

Method used

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  • Vacuum furnace thermocouple installation leakage-prevention device
  • Vacuum furnace thermocouple installation leakage-prevention device
  • Vacuum furnace thermocouple installation leakage-prevention device

Examples

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Embodiment Construction

[0023] Below in conjunction with the accompanying drawings and preferred embodiments, the specific implementation, structure, features and effects of the anti-leakage device for installing vacuum furnace thermocouples proposed according to the present invention will be described in detail as follows.

[0024] see Figure 1 to Figure 5 , the anti-leakage device for vacuum furnace thermocouple installation of the present invention includes a mounting seat 2, a sealing gasket 3, and an outer casing nut 6, wherein: the front part of the mounting seat 2 is fixedly connected to the pipe body 1, and the sealing gasket 3 and the pressure sleeve 4 are sequentially installed on the In the inner cavity of the mounting seat 2, the sealing gasket 3 and the pressure sleeve 4 are positioned through the end face, the stop pin 5 is installed between the pressure sleeve 4 and the mounting seat 2, and the sleeve nut 6 is detachably mounted on the outside of the mounting base 2, and the sleeve Th...

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Abstract

The invention discloses a vacuum furnace thermocouple installation leakage-prevention device. The device comprises an installation seat (2), a sealing gasket (3) and an outer sleeve nut (6). The device is characterized in that the front part of the installation seat (2) is fixedly connected with a pipe body (1); the sealing gasket (3) and the pressing sleeve (4) are sequentially mounted in the inner cavity of the installation seat (2); the sealing gasket (3) and the pressing sleeve (4) are positioned through end surfaces; a locking pin (5) is installed between the pressing sleeve (4) and the installation seat (2); the outer sleeve nut (6) is detachably installed on the exterior of the installation seat (2); the outer sleeve nut (6) is pressed on the outer end surface of the pressing sleeve (4) in a matched manner; and the locking pin (5) is installed in a pin hole (7) formed in the installation seat (2). The device of the invention has the advantages of simple structure, convenient assembly and disassembly, reliable sealing and low cost, and is suitable for being popularized in vacuum furnace thermocouple leakage-prevention installation.

Description

technical field [0001] The invention belongs to the technical field of thermocouple installation, and in particular relates to an anti-leakage device for vacuum furnace thermocouple installation. Background technique [0002] Vacuum heat treatment furnace is a heat treatment furnace that puts the workpiece in a vacuum environment for heat treatment. Vacuum heat treatment can improve the surface quality and mechanical properties of the workpiece after heat treatment. It is one of the advanced heat treatment processes used in today's machinery manufacturing industry. First, it has a wide range of applications, especially in the aerospace industry. [0003] One of the key technical indicators of the vacuum furnace is to ensure that the furnace leakage rate (or pressure rise rate) does not exceed a certain indicator, such as: the leakage rate of the vacuum furnace for processing titanium alloys, brazing, etc. does not exceed 0.67Pa / hour, and the processing of steel parts The le...

Claims

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Application Information

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IPC IPC(8): G01K1/14G01K7/02
CPCG01K1/14G01K7/02
Inventor 程定宇吴建勋陈祖芳
Owner AVIC STANDARD PARTS MFG
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