Location installation device reaches concatenation screen fixed frame who contains device

The utility model provides a location installation device reaches concatenation screen fixed frame who contains device belongs to display screen concatenation field. The utility model discloses location installation device includes first installation face, second installation face, be equipped with the reference column on the first installation face, the reference column is including location section and block section, the location section sets up the one end of first installation face is kept away from to the reference column, the area of the cross section of block section is greater than the area of the cross section of location section, be equipped with interface channel on the second installation face, be equipped with in the interface channel with block section periphery shape assorted recess, the height of recess with block section highly the same, the reference column can imbed perpendicularly in the interface channel, interface channel's both sides can press from both sides tightly the location sectio