Magnetic noiseless lock

Abstract

The invention provides a magnetic noiseless lock. The magnetic noiseless lock comprises a lock body and a spring bolt box, wherein the lock body comprises a first magnet, a spring bolt, a pulling rod, a returning spring and a shifting fork; the spring bolt box comprises a lock catch, a second magnet arranged in the lock catch, and a muffling block arranged on the outer surface of the second magnet; the second magnet is fixed to a position corresponding to the first magnet along the length direction of the spring bolt box; the spring bolt is provided with a first position where the spring bolt can retract in the lock body, and a second position where the spring bolt can extend out of the lock body and be embedded into the spring bolt box. According to the magnetic noiseless lock, the magnets are additionally arranged based on a common lock, and a muffler is arranged, so that the muffling effect is achieved; the whole magnetic noiseless lock is simple in structure, and the manufacturing cost is not increased by being compared with that of the common lock; in addition, the arrangement positions of the magnets are changed, so that the service lives of the magnets can be prolonged, and as a result, the service life of the whole noiseless lock can be prolonged; the extra cost of replacing the lock due to the additionally-arranged magnets can be decreased.

Description

technical field [0001] The invention relates to hardware door lock accessories, in particular to a magnetic mute lock body. Background technique [0002] At present, the door locks used in the home furnishing field are all locked and closed by pressing the latch bolt in through the collision and extrusion of the latch bolt. After the door is closed, the latch bolt is spring-returned and ejected to lock the door. However, the effect of this locking method will generate a lot of noise, in order to eliminate such noise, the contact surface of the deadbolt is usually changed to plastic material. The adoption of this method is still unavoidable that the deadbolt is in contact with the gusset, that is, the collision sound and friction sound produced by the deadbolt and the gusset cannot be eliminated. [0003] Patent CN201410191484 discloses a mute lock body with magnets, which achieves the purpose of noise reduction by setting magnets, but it still has the following disadvantage...

AI Technical Summary

Problems solved by technology

[0007] In order to solve the shortcomings of the above-mentioned existing magnetic locks such as low service life, noise, and high processing costs, the present invention provides a magnetic mute lock body, which adds magnets to the ordinary lock body, and sets The silencer achieves the effect of silence, and its overall structure is simple. Compared with the ordinary lock body, it does not increase the production cost, and by improving the setting position of the magnet, the service life of the magnet is increased, so that the service life of the overall silent lock is increased. Reduce the additional cost of frequent replacement of the lock body due to the addition of magnets

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