Push-pull door lock

Abstract

The invention relates to the field of door locks and provides a push-pull door lock. The push-pull door lock comprises handles, a front seat, a rear seat and a lock body. The front seat and the rear seat each comprise a double-fork driving lever. The lock body comprises a lock body outer liner plate, a box cover, a box bottom assembly, a tapered tongue assembly, a push-pull assembly and a lockingassembly. The tapered tongue assembly comprises a tapered tongue, a sliding rack, a small gear, a tapered tongue reset spring and a fixed base. The push-pull assembly comprises a rotary block and a rotary block reset spring. The box bottom assembly comprises a lock body inner liner plate, columnar nails, a rotary block carrying seat and a box bottom. The locking assembly comprises a sliding lock bar, a reset spring and a shifting block. According to the push-pull door lock, the tapered tongue assembly adopts a rack and gear engagement transmission manner, can achieve the excellent mute effectand is stable in transmission. The push-pull door lock is quite convenient and fast in the push-pull door opening process, suitable for various occasions and also suitable for various types of peopleand quite high in safety performance, is free of quality problem for long-term use and has the advantage of being stable in performance.

Description

Technical field: [0001] The invention relates to the field of door locks, in particular to a door lock structure for a push-pull type switch door. Background technique: [0002] At present, most of the lock bodies we see on the market are equipped with rotary handles to open the door. When the insurance is not locked, the door handle needs to be rotated to open the door whether it is indoors or outdoors. This way of opening the door is not quite in line with people's behavior habits. People are more accustomed to opening and closing the door by pushing and pulling the door handle; especially in some special cases, such as carrying heavy objects in both hands, it is difficult to use the existing door lock structure It is very inconvenient for people to open the door. Therefore, a push-pull type door lock structure is provided, and the push-pull type door lock only needs to simply push or pull the handle to realize the opening and closing of the door. Invention content: ...

AI Technical Summary

Problems solved by technology

This way of opening the door is not quite in line with people's behavior habits. People are more accustomed to opening and closing the door by pushing and pulling the door handle; especially in some special cases, such as carrying heavy objects in both hands, it is difficult to use the existing door lock structure open the door, which is very inconvenient for people

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