Cat eye

Abstract

A cat eye comprises a front cover plate, a rear cover plate, an inner pipe and an outer pipe. The front cover plate is connected to the inner pipe. The rear cover plate is connected to the outer pipe.The front cover plate is provided with a cushion and the cat eye. The rear cover plate is provided with the cushion. The outer pipe is provided with a thickened port edge, an unidirectional ring anda round ring. The lower portion of the port edge is connected to the unidirectional ring. The unidirectional ring is made of a steel sheet. The unidirectional ring is provided with an inner inclined ring, an outer inclined ring and a protruded ring. The outer inclined ring is arranged between the port edge and the round ring. The inner inclined ring is connected to the inner pipe.

Description

technical field [0001] The invention relates to an accessory, in particular to a peephole suitable for an anti-theft door. Background technique [0002] With the development of society and the improvement of living standards, all kinds of anti-theft doors are also favored by people. As the economy becomes more and more developed, people's indoor gold, silver, jewelry and valuables are also increasing. Cat eyes are indispensable on anti-theft doors. Although there are many kinds of peepholes for various security doors on the market, most of the peepholes can be disassembled directly outside the door by counter-rotating the various parts of the peephole. Criminals or thieves use a piece of iron wire to extend into the door through the mounting hole of the peephole. , You can easily open the anti-theft door to break into the house and steal. In order to avoid such incidents, many manufacturers have improved the cat's eye, but there are still problems of complex structure, troub...

AI Technical Summary

Problems solved by technology

[0002] With the development of society and the improvement of living standards, all kinds of anti-theft doors are also favored by people. As the economy becomes more and more developed, people's indoor gold, silver, jewelry and valuables are also increasing. Cat eyes are indispensable on anti-theft doors. Although there are many kinds of peepholes for various security doors on the market, most of the peepholes can be disassembled directly outside the door by counter-rotating the various parts of the peephole. Criminals or thieves use a piece of iron wire to extend into the door through the mounting hole of the peephole. , you can easily open the anti-theft door to break into the house and steal and other illegal activities. In order to avoid such incidents, many manufacturers are now improving the cat's eye, but there are still problems such as complex structure, troublesome installation and high price.

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