Tapered end of lock with multi-row staggered cylinders and T-shape cylinders and safety switch and key thereof

Abstract

The invention relates to a locking head with multiple rows of cross bullets, T-shape bullets and humper, and the key, belonging to hardware lock industry. It comprises key 1, lock core 2 and so on. It is characterized in that multiple rows of bullet holes 50 are set above the key groove 31 of lock core 2 and bullets 51 are set in bullet holes 50; multiple rows of flat bullet holes 52 are set in locking head 3 and anti-drawing flat bullets 53 and spring 54 are set in 52; T-shape bullet holes 9 is set under the key groove and T-shape bullets 4 and spring 10 are set in 9; humper groove 8 is set on the direction vertical with 9, humper 6 is set in humper groove 8 and springs 5 are set at two ends of humper 6; V-shape groove 7 is set on locking head 3 relative to 8; said T-shape bullet 4 comprises body 4-1, column head 4-2 and rectangle groove 4-3; there are two to five rows of bullet holes 50 and there are two to five rows of flat bullet holes 52; V-shape groove 32 is set in the middle of key; side bullet teeth 17 are set at left-right sides of key 1; triangle cylinders 33 are set up and down in the middle of key groove 31. it is provided with novel design, compact structure and good theftproof performance.

Description

【Technical field】 [0001] The invention is a hardware lock, which is used for matching locks in places requiring high security, such as cars, motorcycles, safes, safes, and home anti-theft doors. The lock head and key of the safety bolt belong to the hardware lock manufacturing industry. 【Background technique】 [0002] Mr. Chen Zhihe, a patent applicant in Zhongshan City, Guangdong Province, has been engaged in the development and production of locks for more than 20 years. patent. In recent years, there have been the following patent applications: On August 6, 2002, a utility model patent was applied, named "Multiple rows of high-security locks with pins and "T" pieces", and the patent number was 02272357.9. In December 2004 On the 10th, a utility model patent was applied, named "a high-security three-row key lock and key", and the patent number was 200420102222.6. On March 10, 2005, it was applied for a "high-security three-row key lock" The invention patent of "head and...

AI Technical Summary

Problems solved by technology

However, Mr. Chen Zhihe is still not satisfied with the number of patents he has applied for, and continues to develop new locks. This invention is based on the utility model patent application he developed in the first half of 2006, and then continues to apply for invention patents, adding new features to high-security locks. Varieties to meet the needs of the market

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