A silent lock body with damping

Abstract

The invention relates to hardware door lock components, and provides a mute lock body with a damper. The collision sound generated by a lock dog when a door is closed can be reduced. According to the technical scheme, the mute lock body is provided with a box bottom assembly, an inclined lock dog, a reset spring, the damper and a poking peach. The front end of the box bottom assembly is provided with an inclined lock dog hole in the front end, provided with a fixing block, a guide groove and a sliding block in the middle and provided with a damper positioning hole in the rear; the rear end of the damper is provided with a capel; the damper is provided with a clamping ring in the middle and provided with a damping rod in the rear, and the end of the damping rod is provided with a positioning hook; the front end of the damper is fixedly embedded in the capel at the rear end of the inclined lock dog, the middle of the damper penetrates through a guide hole in the middle of the fixing block, and the positioning hook at the rear end of the damper is embedded into the damper positioning hole in the rear of the box bottom assembly; the damper is a wire diameter damper, the inclined lock dog can be driven to move backwards without resistance by rotating the poking peach, and the poking peach needs to overcome buffering resistance of the damper to return, so that it is avoided that the inclined lock dog rapidly returns to the start-stop position under the action of the spring.

Description

technical field [0001] The invention relates to a hardware door lock fitting, especially a damping lock body part. Background technique [0002] At present, there are widely used lock bodies on the market. In order to achieve noise reduction when closing the door, various technical solutions have been adopted: a low-resistance silent door lock disclosed by CN203050243U adopts soft lock box rollers installed at the front end of the lock box, The front end is equipped with soft buckle box guide rollers, and the scheme of installing soft buckle box shrapnel in the buckle box can slow down the noise caused by the friction or impact of the deadbolt and the lock box and buckle box when closing the door; CN202530854U disclosed A silent door lock adopts a scheme with a washer at the joint between the deadbolt neck and the slider, so that no relative motion collision occurs between the deadbolt and the slider, so that no noise is generated; CN202530855U discloses a silent The door l...

AI Technical Summary

Problems solved by technology

But the deadbolt reset of the above-mentioned scheme all adopts a spring rebound structure. When closing the door, under the elastic force of the spring, the deadbolt pops out quickly, and any hard parts will make a sound when it hits. Therefore, the above-mentioned schemes cannot Fundamentally solve the problem of noise when closing the door

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