The utility model discloses a detachable fish finder mount, a serial communication port, including the horizontal telescopic rod who is the level setting, horizontal telescopic rod's both ends are connected with vertical decurrent vertical expansion link separately, are connected with the counter weight and form stable end at one of them vertical expansion link's lower extreme detachable, and fishfinder connection structure is held and be equipped with to another vertical expansion link's lower extreme for work. The utility model has the advantages of the structure is simpler, and it is moreconvenient to carry, and adaptability is stronger, can make things convenient for the dismouting more.