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Plug-pull locking device for external replaceable module

A locking device and outfield technology, applied in the direction of coupling devices, components of connecting devices, devices for preventing wrong connection, etc., can solve problems such as insurmountable force, unable to lock modules, easily damaged electrical connector terminals, etc., to achieve Rapid insertion and removal, simple device structure, and reliable locking effect

Active Publication Date: 2012-07-04
XIAN FLIGHT AUTOMATIC CONTROL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the devices currently used in aviation systems use a lever-like device to pry up the module. This device only has the function of pulling the module out of the chassis, and cannot overcome the problem caused by the engagement of the electrical connector when the module is inserted. force, making the module's electrical connector terminals extremely vulnerable and making it impossible to lock the module in the chassis

Method used

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  • Plug-pull locking device for external replaceable module
  • Plug-pull locking device for external replaceable module
  • Plug-pull locking device for external replaceable module

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings. The application position of the present invention in aviation airborne electronic equipment is as follows: figure 1 shown. The plug-in locking devices 10 are usually used in pairs, and are symmetrically installed on the front panel of the module 11 , while the module 11 is inserted and fixed in the case 12 .

[0021] From image 3 It can be seen that there are 9 parts in the plug-in locking device 10, which are respectively a lock hook 1, a torsion spring 2, a pin shaft 3, a set screw 4, a handle 5, a compression spring 6, a dead bolt 7, a pressure plate 8, and a sinker. head screw 9.

[0022] Lock hook 1 is fixed on the front panel of module 11 with screw 13, spring washer 14, washer 15, and handle 5 is a " U " shape structure, and the flange of two side walls of handle 5 one ends is symmetrically provided with two Two lugs 17, the lock hook 1 is connected on the ...

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Abstract

The invention belongs to a fastener technology, and in particular relates to a plug-pull locking device for an external replaceable module of airborne electronic equipment. The plug-pull locking device comprises a lock hook, a torsion spring, a pin shaft, a locking screw, a handle, a compression spring, a lock tongue, a pressure plate and a countersunk screw. The device is a mechanical device forinserting, pulling out and locking the external replaceable module of the airborne electronic equipment and is mainly used for overcoming the plug-pull force of an electric connector when the module is pushed in or pulled out, ensuring that the module in loading or unloading has a movement locus in a slip line, enabling the electric connector to keep full engaged when the module is impacted or vibrates, ensuring the normal transmission of signals and ensuring that the external force of the module can not be transferred to electric connector terminals to cause mechanical damage or electric performance failure. The device of the invention has the triple functions of inserting, pulling out and locking the module to a case.

Description

technical field [0001] The invention belongs to the technology of fasteners, and relates to a plug-and-pull locking device for an outfield replaceable module used in aviation airborne electronic equipment. Background technique [0002] With the development trend of lightweight and miniaturization of avionics equipment, higher requirements are put forward for the rapid installation and disassembly of the equipment. Strict field mean time to repair (MTTR) requirements make the concept of field replaceable modules emerge as the times require, and the Insertion / Extraction Device (IED) is an essential and important component in the application of field replaceable modules. When the module is pushed into and pulled out of the equipment chassis, the electrical connector of the module printed board sub-board and the chassis motherboard engages or separates, and the function of the plug-in device is to provide and overcome the need for this electrical connector to engage or separate ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/629H01R13/639H01R13/641
Inventor 闫迎军
Owner XIAN FLIGHT AUTOMATIC CONTROL RES INST
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