Multifunctional training device

Abstract

The present disclosure proposes a multifunctional training device, including a pedal bottom plate with an insertion function, a cushioned tread surface, tractor plate assemblies of pull cord trainers inserted on both sides of the pedal bottom plate, and support base assemblies inserted on the bottom surface of the pedal, a bottom surface of the pedal bottom plate is provided with a plurality of mounting nests opening downward for preventing rotation of inserted pieces and limiting the inserted pieces, a mounting hole on the mounting nest is narrow on the upper part and wide on the lower part, and a plurality of wedge dowels are evenly distributed on an inner wall of the mounting hole with the mounting hole as the center, the wedge dowel is wide on the upper part and narrow on the lower part, and an outer side surface of the wedge dowel is smooth and flat, and a connecting hole is used for mounting a bottom support assembly. The bottom support assembly includes one or more of an omni-directional wheel assembly, a first elastic body, and a second elastic body, and the purpose of adapting different types of motion is achieved by changing different bottom support assemblies or adjusting the positions of the bottom support assemblies. The multifunctional training device has the advantages of reasonable structure, convenient disassembly and replacement, robust connection structure, and enlarged applicability range.

What is claimed is: 
     
         1 . A multifunctional training device, comprising a pedal bottom plate ( 1 ), wherein a bottom surface of the pedal bottom plate ( 1 ) is provided with a plurality of mounting nests ( 201 ), each of the mounting nests ( 201 ) is provided with a mounting hole opened downward, the mounting hole is narrow on the upper part and wide on the lower part, and a plurality of wedge dowels ( 202 ) are evenly distributed on an inner wall of the mounting hole with the mounting hole as the center, the wedge dowel ( 202 ) is wide on the upper part and narrow on the lower part, and an outer side surface of the wedge dowel ( 202 ) is smooth and flat, and a connecting hole is used for mounting a bottom support assembly. 
     
     
         2 . The multifunctional training device of  claim 1 , wherein a mounting hole opened downward is arranged at a middle position of each mounting nest ( 201 ), a cushioned tread surface ( 102 ) is arranged on the pedal bottom plate ( 1 ), the cushioned tread surface ( 102 ) is set with reference to a center of an upper surface of the pedal bottom plate, and an operation assembly is arranged on the pedal bottom plate ( 1 ) on each of two sides of the cushioned tread surface ( 102 ). 
     
     
         3 . The multifunctional training device of  claim 2 , wherein,
 the operation assembly comprises a tractor plate assembly of a pull cord trainer which is able to be disassembled and inserted, the tractor plate assembly comprises a tractor plate ( 103 ), a strap ( 104 ), and a tension tube, the two sides of the pedal bottom plate ( 1 ) are provided with waist-type holes penetrating up and down for disassembling and inserting the tractor plate assembly of the pull cord trainer, and the tractor plate ( 103 ) is inserted in the waist-type hole from bottom to top, and the tractor plate ( 103 ) has a bayonet limiting edge, the tractor plate ( 103 ) is provided with the strap ( 104 ) for connecting the tension tube, and the tension tube is connected on the strap ( 104 ); and   a bottom surface of the pedal bottom plate ( 1 ) is provided with an auxiliary groove, an inner frame ( 3 ) is arranged in the auxiliary groove, the mounting nests ( 201 ) are arranged on a groove wall of the auxiliary groove on an inner side of the inner frame ( 3 ), and a plurality of crosswise reinforcing ribs are arranged between the inner frame ( 3 ) and an outer side wall of the mounting nest ( 201 ).   
     
     
         4 . The multifunctional training device of  claim 3 , wherein an upper surface of the pedal bottom plate ( 1 ) is parallel to the ground, a center point of the bottom surface of the pedal bottom plate ( 1 ), a center point of the auxiliary groove and a center point of the inner frame ( 3 ) are on a same line A, and the line A is perpendicular to the ground. 
     
     
         5 . The multifunctional training device of  claim 1 , wherein the bottom surface of the pedal bottom plate ( 1 ) is provided with two sets of mounting nests ( 201 ), one set of mounting nests ( 201 ) are evenly distributed on the four corners of the bottom surface of the pedal bottom plate ( 1 ), the other set of mounting nests ( 201 ) are evenly distributed on the center of the bottom surface of the pedal bottom plate ( 1 ), and the same bottom support assemblies are installed in the same set of mounting holes. 
     
     
         6 . The multifunctional training device of  claim 5 , wherein, first reinforcing ribs ( 203 ) are arranged inside the mounting nest ( 201 ), the first reinforcing ribs ( 203 ) comprise a  -shaped reinforcing rib based on the center of the mounting hole, and two circular-shaped reinforcing ribs having different radii and taking the center of the mounting hole as a circle center, the  -shaped reinforcing rib communicates with the circular-shaped reinforcing ribs, an outer end of the  -shaped reinforcing rib is connected with the wedge dowels ( 202 ) and the inner wall of the mounting hole. 
     
     
         7 . The multifunctional training device of  claim 5 , wherein,
 the bottom support assembly comprises any one or more of a movable support assembly and a non-movable support assembly, and   the movable support assembly comprises an omni-directional wheel ( 6 ), the non-movable support assembly comprises either one or both of a first elastic body ( 8 ) and a second elastic body ( 7 ), the movable support assembly and the non-movable support assembly each forming a detachable connection with the mounting nest ( 201 ), the second elastic body ( 7 ) having a height less than the height of the first elastic body ( 8 ) and the height of the omni-directional wheel ( 6 ).   
     
     
         8 . The multifunctional training device of  claim 7 , wherein one or more of the omni-directional wheel ( 6 ), the first elastic body ( 8 ) and the second elastic body ( 7 ) form a detachable connection with the mounting nests ( 201 ) through bosses or connection seats ( 4 ),
 both the boss and the connection seat ( 4 ) are arranged corresponding to the mounting hole, the upper end of the boss is engaged with the hole wall of the mounting hole; and   the connection seat ( 4 ) comprises a main plate ( 401 ) and a clamping segment ( 402 ) arranged corresponding to the mounting hole, the clamping segment ( 402 ) and an auxiliary connecting segment are coaxially arranged on an upper surface of the main plate ( 401 ), an auxiliary connecting hole ( 412 ) is arranged on the main plate ( 401 ), one end of the auxiliary connecting hole ( 412 ) extends into the auxiliary connecting segment, an opening of the auxiliary connecting hole ( 412 ) is arranged on a lower surface ( 411 ) of the main plate ( 401 ), the auxiliary connecting hole ( 412 ) is used for connecting the bottom support assembly, a clamping groove ( 421 ) is arranged on the clamping segment ( 402 ) corresponding to the wedge dowel ( 202 ), the connection seat ( 4 ) is connected with the mounting nest ( 201 ), the wedge dowel ( 202 ) in the mounting nest ( 201 ) is embedded in the clamping groove ( 421 ), and the upper end of the clamping segment ( 402 ) is engaged with the hole wall of the mounting hole.   
     
     
         9 . The multifunctional training device of  claim 8 , wherein, the lower surface ( 411 ) is convex outward by taking the opening of the auxiliary connecting hole ( 412 ) as the center, the upper surface of the main plate ( 401 ) is further provided with an auxiliary convex ring ( 403 ), the auxiliary convex ring ( 403 ) is disposed between the clamping segment ( 402 ) and the auxiliary connecting segment, a plurality of second reinforcing ribs ( 404 ) and third reinforcing ribs ( 406 ) are disposed between the auxiliary convex ring ( 403 ) and the clamping segment ( 402 ), the second reinforcing ribs ( 404 ) are disposed corresponding to the clamping grooves ( 421 ), and fourth reinforcing ribs ( 405 ) are disposed between the auxiliary convex ring ( 403 ) and the auxiliary connecting segment, the fourth reinforcing ribs ( 405 ) are disposed corresponding to the second reinforcing ribs ( 404 ) and the third reinforcing ribs ( 406 ). 
     
     
         10 . The multifunctional training device of  claim 7 , wherein, the first elastic body ( 8 ) and the second elastic body ( 7 ) directly form a detachable connection with the mounting nests ( 201 ), upper ends of the first elastic body ( 8 ) and the second elastic body ( 7 ) are disposed corresponding to the mounting holes, both the length and width of the horizontal cross section of the upper end of each of the first elastic body ( 8 ) and the second elastic body ( 7 ) are larger than the length and width of the horizontal cross section of the mounting hole, the upper ends of the first elastic body ( 8 ) and the second elastic body ( 7 ) are embedded in the mounting holes, and the upper ends of the first elastic body ( 8 ) and the second elastic body ( 7 ) are clamped into the mounting holes with own elastic external bracing to form a detachable connection with the mounting nests ( 201 ).