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A kind of door lock

A technology of door locks and bolts, which is applied in the field of door locks of box-type transformers, can solve problems such as bolts breaking the lock nose, cumbersome operation, etc., and achieves the effects of convenient operation, convenient processing, and simple structure

Inactive Publication Date: 2006-07-05
SHANGHAI ZHIXIN ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is not only cumbersome to operate, but also if you are a little careless, if you forcefully close the door before checking the position of the latch, it may cause the latch to break the lock nose

Method used

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  • A kind of door lock
  • A kind of door lock
  • A kind of door lock

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Experimental program
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Embodiment Construction

[0014] Such as Figure 1~4 As shown, the door lock of the present invention is installed between the middle partition 8 and the left door 9, and it includes a door bolt 1, a guide plate 2, a stopper 3 and a lock nose 4 for preventing the door bolt 1 from falling, wherein :

[0015] see Figure 4 , The door bolt 1 can be long round steel, and one end 11 has two symmetrical positioning square grooves 111, and is packed in the slotted hole 81 that the middle partition plate 8 is correspondingly provided with.

[0016] see figure 2 , the limiting piece 3 is fixed on the middle partition 8 above the slot 81 and close to the slot 81 .

[0017] see Figure 1~2 , The guide plate 2 is provided with a long slot 21 that controls the bolt 1 to move up and down and limits the amount of movement up and down, one side of which is welded on the middle partition 8 .

[0018] see image 3 One side of the lock nose 4 is welded on the left door 9, and the other side is provided with a slop...

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PUM

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Abstract

A lock of door is prepared as installing one end of door latch in slot corresponding to intermediate isolation plate, fixing a spacing sheet on said isolation plate, setting long groove on guide plate with its one side being fixed on said isolation plate, fixing one side of lock nose on left door and using another side as slope for guiding latch to slide up as well as setting a long waist hole at middle of it, carrying out self ¿C locking by passing another end of door latch over said long groove to let door latch be slid into long waist hole on lock nose by dead ¿C weight.

Description

technical field [0001] The invention relates to a door lock, in particular to a door lock of a box-type transformer. technical background [0002] The existing box-type transformer is usually equipped with a middle partition that divides the inside of the box into two high and low voltage chambers, left and right. The handle is used to conveniently open the right door corresponding to the low-voltage compartment. Since the left door is a high-pressure chamber, for the sake of prudence, the left door is usually fixed on the middle partition, that is, through the water tank at the same height as the door on the left door, the The stainless steel bolts are connected with the nuts welded on the middle partition to fix the left door. [0003] When it is necessary to check and overhaul high-voltage equipment, the right door must be opened first, and then the two stainless steel bolts must be loosened to open the left door. It is very inconvenient to operate like this. [0004]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05B65/00
Inventor 黄亚飞
Owner SHANGHAI ZHIXIN ELECTRIC