On July 28, the General Administration of Quality Supervision, Inspection and Quarantine announced the results of the lock inspection in the second quarter of 2015. The reporter was informed that 90 batches of products produced by 90 enterprises in 3 provinces (cities) were sampled, including the marble mortise lock. 5 kinds of spherical door locks, exterior door locks, bicycle locks and mechanical anti-theft locks. The number of random inspection enterprises accounted for 45% of the total number of lock manufacturers in the country. The detection rate of unqualified products was 7.8%, which was 2.2 times lower than the previous spot check. %.
This spot check focused on the mutual opening rate of the marble mortise lock, the extension length of the bolt, the axial static load of the square tongue, the lateral static load of the tongue, the static tension of the knuckle, the lateral static load of the tongue, and the lock. The head is connected with the lock body, the handle torque, the handle radial static load, the handle axial static pull force and the lock anti-dial safety device.
After inspection, a total of 7 batches of products failed, and the unqualified items mainly involved 4 times of the interlocking rate of the marble mortise locks, and the protruding length of the marble mortise locks (slant tongue) 1 time, mechanical anti-theft lock The first anti-dial safety device has 1 item, and the external door lock has a mutual opening rate of 2 times. The lock product manufacturers mainly concentrated in Guangdong and Zhejiang, and 54 batches and 35 batches were randomly selected. The detection rates of unqualified products were 7.4% and 8.6%, respectively.
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