A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention belongs to the technical field of flagpole tools and particularly relates to a spiral type ground nail with a locking function. The spiral type ground nail with the locking function, disclosed by the invention, is characterized in that the spiral type ground nail with the locking function comprises a middle piece; one end of the middle piece is connected with a spiral type nail head; and a radial through hole is formed in the part, close to the end part, of the other end of the middle piece. The spiral type ground nail with the locking function has the beneficial effects that time and labor can be saved, and the spiral type ground nail can be very conveniently and rapidly inserted into the ground.
The invention belongs to the technical field of flagpole tools and particularly relates to a spiral type ground nail with a locking function. The spiral type ground nail with the locking function, disclosed by the invention, is characterized in that the spiral type ground nail with the locking function comprises a middle piece; one end of the middle piece is connected with a spiral type nail head; and a radial through hole is formed in the part, close to the end part, of the other end of the middle piece. The spiral type ground nail with the locking function has the beneficial effects that time and labor can be saved, and the spiral type ground nail can be very conveniently and rapidly inserted into the ground.
Spiral type ground nail with locking function
YAN XUEYI (author)
2015-06-17
Patent
Electronic Resource
English
Spiral type lock cylinder structure with locking plate and spiral type key
| European Patent Office | 2016