Multifunctional fitness device

Abstract

Disclosed is a multifunctional fitness device, including a platform portion and a spherical portion located below the platform portion and fixedly connected to the platform portion; the spherical portion has a spherical contact surface that is convex downward relative to the platform portion; an upper surface of the platform portion is provided with a horizontal contact portion, the platform portion is further provided with a supporting handle and an elbow support portion, and the supporting handle is detachable; the multifunctional fitness device has a first use form and a second use form, in the first use form, the platform portion faces upward, the spherical contact surface faces downward and is in contact with a ground; and in the second use form, the spherical contact surface faces upward, and the platform portion faces downward and is in contact with the ground through the horizontal contact portion.

What is claimed is: 
     
         1 . A multifunctional fitness device, comprising:
 a platform portion and a spherical portion located below the platform portion and fixedly connected to the platform portion;   the spherical portion has a spherical contact surface that is convex downward relative to the platform portion;   an upper surface of the platform portion is provided with a horizontal contact portion, the platform portion is further provided with a supporting handle for a user to grasp with both hands and an elbow support portion for the user to support with both elbows, and the supporting handle is detachable or is foldable to a plane that does not extend beyond the horizontal contact portion;   the multifunctional fitness device has a first use form and a second use form;   in the first use form, the platform portion faces upward, the spherical contact surface faces downward and is in contact with a ground; and   in the second use form, the spherical contact surface faces upward, and the platform portion faces downward and is in contact with the ground through the horizontal contact portion.   
     
     
         2 . The multifunctional fitness device according to  claim 1 , wherein the elbow support portion consists of a pair of elbow support pads and embedded in a rear part of the upper surface of the platform portion, and support surfaces of the pair of elbow support pads do not extend beyond a plane where the horizontal contact portion is located. 
     
     
         3 . The multifunctional fitness device according to  claim 1 , wherein the horizontal contact portion is a plurality of support blocks protruding from the upper surface of the platform portion and distributed in a circular array around an edge of the platform portion. 
     
     
         4 . The multifunctional fitness device according to  claim 1 , wherein a pair of first screen holes are formed in inner positions, and a pair of second screw holes are formed in outer positions, on a front part of the upper surface of the platform portion;
 the supporting handle is a pair of handles, ends of the pair of the handles are provided with threaded joints, and the pair of the handles can be selectively connected to either the pair of first screen holes or the pair of second screw holes through the threaded joints.   
     
     
         5 . The multifunctional fitness device according to  claim 1 , wherein a mobile phone accommodating slot located between the supporting handle and the elbow support portion is formed on the upper surface of the platform portion, the mobile phone accommodating slot consists of a horizontal slot and a vertical slot that intersect in a cross shape, and a plurality of support protrusions are arranged on bottom surfaces of the horizontal slot and the vertical slot. 
     
     
         6 . The multifunctional fitness device according to  claim 1 , wherein hanging plate accommodating slots are arranged on both sides of the upper surface of the platform portion, respectively, a hanging plate is pivotally connected in each of the hanging plate accommodating slots, a hanging rope hole is formed on the hanging plate, and the hanging rope hole can be exposed from an outer side of each of the hanging plate accommodating slots through rotation of the hanging plate. 
     
     
         7 . The multifunctional fitness device according to  claim 1 , wherein the spherical portion is an inflatable elastomer structure, an inflation and deflation valve is arranged in a middle of an upper end of the spherical portion, and the platform portion is provided with an inflation and deflation valve exposure hole for exposing the inflation and deflation valve and a cover plate for covering the inflation and deflation valve exposure hole. 
     
     
         8 . The multifunctional fitness device according to  claim 1 , wherein the spherical portion is a truncated sphere with an upper half cut off, an upper end of the truncated sphere has a positioning recess that is recessed from a circumference to a center, an annular skirt extends outward from the circumference of the upper end of the truncated sphere, the platform portion is a circular plate structure, a lower end of the platform portion has a positioning protrusion that matches the positioning recess, and a lower end periphery of the platform portion is provided with a plurality of first screw hole columns located above the annular skirt. 
     
     
         9 . The multifunctional fitness device according to  claim 8 , wherein the multifunctional fitness device further comprises an annular fixing member, the annular fixing member comprises a lower annular wall with a smaller diameter and an upper annular wall with a larger diameter, an annular step portion is formed between the lower annular wall and the upper annular wall, the annular step portion is pressed against a lower surface of the annular skirt, a plurality of second screw hole columns are arranged in a circumferential direction of the annular step portion, the plurality of second screw hole columns pass through the annular skirt and are connected to the plurality of first screw hole columns by screws in a one-to-one correspondence, the lower annular wall is covered on an outer side of an upper end of the spherical contact surface, and the upper annular wall is covered on a circumference outer side of the annular skirt and fits with the lower end of the platform portion. 
     
     
         10 . The multifunctional fitness device according to  claim 1 , wherein at least part of the supporting handle is located within a horizontal projection range of the spherical portion, and the elbow support portion is also located within the horizontal projection range of the spherical portion; alternatively, at least part of the supporting handle is located within a horizontal projection range of the spherical contact surface, and at least most of the elbow support portion is located within the horizontal projection range of the spherical contact surface.