Indoor and outdoor multipurpose horizontal and parallel bar apparatus

The utility model discloses an indoor and outdoor multipurpose horizontal and parallel bar apparatus, and relates to the training equipment field. The indoor and outdoor multipurpose horizontal and parallel bar apparatus is characterized in that lower bars are movably connected with two ends of a bottom seat, the upper ends of the lower bars are connected with lower ends of upper bars through connection pieces, and fixedly connected with first nuts through screw rods, a plurality of threaded holes are evenly formed in the inner side face of the upper end of each upper bar, a plurality of horizontal bar multiple gear regulation fixing bosses are evenly arranged on the inner side face of the upper end of each upper bar, a horizontal bar handrail rod is arranged on each upper bar, two ends of each horizontal bar handrail rod are respectively inserted into two insertion holes respectively in the inner side faces of the two upper bars on two sides of each horizontal bar handrail rod, and fixedly connected with the two upper bars through second nuts, and convex rods are arranged on positions at two ends of one side of the bottom seat, parallel to the lower bars. The indoor and outdoor multipurpose horizontal and parallel bar apparatus is reasonable in structure design, beautiful in appearance, novel and unique in shape, simple to operate, convenient to use, simple in production technology, diverse in function, and wide in application range, not only has functions of a horizontal bar, but also can be transformed into parallel bars for use according to demands of a user, and furthermore meets use demands of people.