Card lock

Abstract

The invention discloses a card lock. The problem that locks good in anti-theft function are not universal in the prior art is solved. The card lock comprises a lock body. The lock body comprises a lock inner container, a lock cylinder, locking pieces and a shifting piece, and the lock cylinder is arranged inside the lock inner container and provided with the shifting piece rotating along with the lock cylinder; the lock cylinder is sleeved with the locking pieces, so that the locking pieces and the lock cylinder rotate jointly; each locking piece is provided with an auxiliary key arm and a main key arm which extend towards the two sides of the locking piece to form lock inner container clamping pieces; a gap is reserved between the main key arm and the auxiliary key arm of each locking piece; the main key arms are elastic, so that the main key arms get close to the corresponding auxiliary key arms under action of external force; the main key arms are connected with key clamping pieces; the lock inner container is internally provided with lock inner container clamping grooves corresponding to the lock inner container clamping pieces in position; the lock cylinder sleeved with the locking pieces is arranged inside the lock inner container; the lock inner container clamping pieces of the main key arms of the locking pieces are clamped into the corresponding lock inner container clamping grooves. By means of the technical scheme, the problems in the prior art can be solved well.

Description

technical field [0001] The invention belongs to the field of mechanical locks, and in particular relates to a card lock. Background technique [0002] The mechanical lock is a fully mechanical combination lock with a large key quantity and high reliability without electronic devices. At present, tumbler locks are mostly used on the market, but the lock cylinder of the tumbler lock is easy to crack. In order to increase the difficulty of cracking the lock cylinder, various novel lock cylinder structures have appeared on the market in recent years, such as "Boshi lock", "J-shaped lock", etc., but their versatility is not high and they are mainly used in vehicles. It is difficult to popularize aspects such as civil door locks. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the prior art and provide a card lock with the advantages of strong versatility and strong anti-theft performance. [0004] In order to achieve the ...

AI Technical Summary

Problems solved by technology

At present, most of the pin locks are used on the market, but the lock cylinder of the pin lock is easy to crack

In order to increase the difficulty of cracking the lock cylinder, various novel lock cylinder structures have appeared on the market in recent years, such as "Boshi lock", "J-shaped lock", etc., but their versatility is not high and they are mainly used in vehicles. Difficult to popularize in civilian door cabinet locks, etc.

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