Cold-bridge-free spanner tightness adjusting lock

Abstract

The invention relates to a cold-bridge-free spanner tightness adjusting lock. The cold-bridge-free spanner tightness adjusting lock comprises a handle, a lock body, a handle seat, a rotating shaft and a rotating tongue, wherein the lock body comprises a lock cylinder and a lock seat, the lock cylinder is rotatably positioned in the lock seat, the lock seat and the handle are an integrated body and the lock seat is rotatably positioned in a handle seat. A convex shaft which is eccentrically arranged relative to a lock cylinder shaft is arranged at the tail end of the lock cylinder, a pin hole which is formed along the radial direction of the lock seat in a penetrating way is formed in the circumference of the lock seat, a slideable lock pin is arranged in the pin hole and the lock pin is provided with a notch which is matched and linked with the convex shaft. When the lock cylinder is not rotated, one end of the lock pin stretches out of the pin hole and is matched with a lock hole formed in the handle seat. The internal part of the lock seat is divided into an upper chamber and a lower chamber, wherein the lock cylinder and the lock pin are installed in the upper chamber, the lower chamber is rotatably connected with the rotating shaft and the rotating shaft penetrates through a shaft sleeve of the handle seat and is fixedly connected with the rotating tongue. An annular sealing groove is arranged on the circumference of the lock seat below the pin hole and a sealing ring is embedded into the annular sealing groove. The cold-bridge-free spanner tightness adjusting lock has the advantages that the structure is simple, the operation and the use are facilitated, the sealing performance and the anti-cold-bridge effect are good, the service life is long and the cold-bridge-free spanner tightness adjusting lock is suitable for being used as locks of various access doors.

Description

technical field [0001] The invention relates to a door lock, in particular to an adjustable lock without a cold bridge wrench on the maintenance door of an air conditioner fan box. Background technique [0002] At present, in the general equipment box body, an inspection door is provided to facilitate the maintenance of the internal equipment, and the inspection door is provided with a door lock. Most of the existing inspection door locks adopt a rotary door lock with a relatively simple operation mode, which generally includes a handle, a rotating shaft, and a rotating tongue. When installing, the handle is located outside the inspection door, and the rotating tongue is located inside the inspection door. Rotating tongue, so that when the handle is turned, the rotating tongue rotates together to realize unlocking and locking operations. Although this type of door lock is easy to operate and use, it is relatively lacking in safety and sealing. In order to improve safety an...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide the art with a no-cold bridge wrench tension adjustment lock, so that it can solve the technical problems of the existing similar door locks with complex structure and poor sealing performance after long-term use

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