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A safety lock for a cabinet under a car

A safety lock and safety technology, applied in the field of safety locks under the car cabinet, can solve the problems of operation accidents, inability to resist, insufficient safety restrictions, etc., and achieve the effect of good sealing performance, simple and beautiful appearance, and improved safety level.

Active Publication Date: 2022-01-21
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of lock is opened with a universal key, and the safety limit when opening is not enough, which is easy to cause operation accidents
If the door lock installation structure is unreasonable, the cabinet door cannot be tightly closed, resulting in the cabinet body being unable to resist the invasion of dust, humidity and salt spray in the harsh working environment under the car, which will cause the internal components of the cabinet body to fail

Method used

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  • A safety lock for a cabinet under a car
  • A safety lock for a cabinet under a car
  • A safety lock for a cabinet under a car

Examples

Experimental program
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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereby.

[0029] figure 1 It schematically shows the closed state of the safety lock 10 for the under-vehicle cabinet according to the embodiment of the present invention after installation. figure 2 It schematically shows the installed and opened state of the safety lock 10 for the under-vehicle cabinet according to the embodiment of the present invention. image 3 The overall structure of the protective cover 2 according to the embodiment of the present invention is schematically shown. Figure 4 It schematically shows the partially enlarged structure of the protective cover 2 opened after installation in the embodiment of the present invention. Figure 5 It schematically shows the three-dimensional cut-away structure inside the cabinet under the vehicle after the sa...

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Abstract

The invention provides a safety lock for a cabinet under a car, including a safety main lock and a protective cover. The first lock body and the second lock body of the main safety lock are respectively connected with the inner side of the cabinet door and the inner side of the bottom beam of the cabinet under the vehicle. A through hole for opening the main safety lock is provided on the cabinet door of the undercarriage cabinet at a position corresponding to the main safety lock, and the protective cover is connected with the cabinet door and can seal the through hole. It can improve the safety level of the cabinet and has a safety lock for the lower cabinet with good sealing protection effect.

Description

technical field [0001] The invention belongs to the technical field of safety protection for an under-vehicle electrical cabinet of a rail transit vehicle, and in particular relates to a safety lock for an under-vehicle cabinet. Background technique [0002] At present, the door locks of the existing electrical cabinets under the car mostly adopt compression anti-loosening locks with four corners or triangular lock cores, which are generally installed at the four corners of the cabinet door, and are locked and opened using internationally accepted PIC four-corner keys. This kind of lock is opened with a universal key, and the safety limit when opening is not enough, which is easy to cause operation accidents. If the door lock installation structure is unreasonable, the cabinet door cannot be tightly closed, resulting in the cabinet body being unable to resist the invasion of dust, humidity and salt spray in the harsh working environment under the car, which will cause the in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05B17/18E05B83/00
CPCE05B17/185E05B83/00
Inventor 杨会锋周卫成许颖光代少飞郭旭方鹏朱凯郑中尧
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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