Patent Publication Number: US-2023141901-A1

Title: Swing exercise machine

Description:
FIELD OF TECHNOLOGY 
     The present invention relates to a swing exercise machine. 
     BACKGROUND 
     With the continuous improvement of living standards, the market demand for fitness equipment is increasing, especially the family&#39;s demand for fitness equipment. However, the existing fitness equipment is usually large-scale, full-functional, large in size and complex in structure, which is not suitable for home use. There is a lack of fitness equipment suitable for home use, especially a lack of household exercise machine that can realize multifunctions. 
     SUMMARY 
     The present invention aims to solve the problems existing in the use of the prior art, and provides a swing exercise machine with reasonable structure, convenient use and better exercise effect. 
     The technical solution of the present invention for solving the existing problems is as follows: a swing exercise machine, including a support frame, a pair of footrests disposed at both sides of the support frame, and at least one suspension arm disposed between each footrest and the support frame, wherein each footrest is rotatably connected to at least one suspension arm, a pivot assembly is provided between the support frame and each suspension arm, the pivot assembly includes an X pivot assembly and a Y pivot assembly which are connected to each other and enable the footrests to swing back and forth and left and right, axes of the X pivot assembly and the Y pivot assembly are disposed perpendicularly or nearly perpendicularly, and the support frame includes a first support frame and a second support frame connected at upper ends, and bottoms of the first support frame and the second support frame are provided with underframes supporting the first support frame and the second support frame. 
     As a further improvement, the X pivot assembly is connected to the support frame, the Y pivot assembly is rotatable about the axis of the X pivot assembly, and an upper end of the suspension arm is rotatable about the axis of the Y pivot assembly and is connected to the Y pivot assembly. 
     As a further improvement, each of the footrests is provided with a pair of suspension arms, each of the footrests is rotationally connected to the corresponding pair of suspension arms, and the pivot assembly is disposed between each suspension arm and the support frame. 
     As a further improvement, the support frame further includes a connecting frame connecting the first support frame and the second support frame, the first support frame is rotatably connected to one end of the connecting frame in a folding state, the second support frame is rotatably connected to the other end of the connecting frame in a folding state, connecting structures for fixing the first support frame and the second support frame to the connecting frame are respectively disposed between corresponding ends of the connecting frame and the first support frame and the second support frame; and the underframes are cross bars disposed at the bottoms of the first support frame and the second support frame respectively. 
     As a further improvement, the support frame is also provided with an upward extending extension rod provided with a transverse grip rod; the support frame is also provided with a pair of elastic handles. 
     As a further improvement, the extension rod is inclined upward and forward; both ends of the grip rod are provided with rotating arms; and the grip rod is provided with a second pivot structure which can adjust a folding angle of the rotating arm and position the rotating arm, and the rotating arm is provided with a hand-holding knob. 
     As a further improvement, the X pivot assembly includes a first shaft disposed on the support frame and a shaft sleeve rotatably disposed on the first shaft, the Y pivot assembly includes a pair of connecting arms meshing on the shaft sleeve, the pair of connecting arms are rotatably connected to the shaft sleeve, a lower end of the pair of connecting arms is connected to the suspension arm. 
     As a further improvement, the extension rod is provided with a support rod, and bottoms of the extension rod and the support rod are provided with connecting plates connecting the support frame. 
     As a further improvement, the footrests, the suspension arms, the X pivot assemblies and the Y pivot assemblies are symmetrically disposed on both sides of the connecting frame. 
     As a further improvement, the axes of the X pivot assembly and the Y pivot assembly are disposed on a same plane. 
     Compared with the prior art, the present invention is equipped with a support frame and a pair of footrests, and at least one suspension arm disposed between each footrest and the support frame, wherein each footrest is rotatably connected to the at least one suspension arm, an X pivot assembly and a Y pivot assembly connected with each other are disposed between the suspension arm and the support frame to allow the footrest to swing back and forth and left and right. The present invention has the advantages of simple structure and small volume, and can realize the effect of large-scale forward, backward, left and right movement of the footrests through the suspension arms, thus effectively realizing the fitness effect. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG.  1    is a structural diagram of the present invention. 
         FIG.  2    is an enlarged view of part a of  FIG.  1   . 
         FIG.  3    is a schematic diagram of a brake for a disassembled guide frame of  FIG.  2   . 
         FIG.  4    is a side view of the present invention. 
     
    
    
     DETAILED DESCRIPTION OF THE EMBODIMENTS 
     Referring to  FIGS.  1 - 4   , in this embodiment, a swing exercise machine includes a support frame  1 , a pair of footrests  2  disposed on both sides of the support frame  1 , at least one suspension arm  3  disposed between each footrest  2  and the support frame  1 . Each footrest  2  is rotatably connected to the at least one suspension arm  3 . A pivot assembly is disposed between the support frame  1  and each suspension arm  3 . The pivot assembly includes an X pivot assembly  4  and a Y pivot assembly  5  which enable the footrest  2  to swing back and forth and left and right. Axes of the X pivot assembly  4  and the Y pivot assembly  5  are connected perpendicularly or nearly perpendicularly. The support frame  1  includes a first support frame  11  and a second support frame  12  which are connected at upper ends. Bottoms of the first support frame  11  and the second support frame  12  are provided with underframes  13  which support the first support frame  11  and the second support frame  12 . 
     The X and Y pivot assemblies  4  and  5  can be disposed to be connected according to a structure in the prior art. It is possible to choose one of the pivot assemblies to connect with the support frame  1 , and another pivot assembly to connect with the suspension arm  3 , which is subject to the fact that the footrest  2  can finally swing back and forth and left and right through the suspension arm  3 . In order to ensure that the footrest  2  can swing back and forth, left and right, the axis of one of the X and Y pivot assemblies  4  and  5 , connected to the support frame  1 , is horizontally disposed, and the axis of the other pivot assembly can be preferentially horizontally disposed in a natural state. 
     In this embodiment, the X pivot assembly  4  is connected to the support frame  1 , the Y pivot assembly  5  is rotatable about the axis of the X pivot assembly  4 , and an upper end of the suspension arm  3  is rotatable about the axis of the Y pivot assembly  5  and is connected to the Y pivot assembly  5 . 
     Each footrest  2  is provided with a pair of suspension arms  3 , each footrest  2  is rotationally connected with a corresponding pair of suspension arms  3 , and the corresponding pair of suspension arms  3  are rotationally connected to front and back positions of each footrest  2  respectively. A pivot assembly is disposed between each suspension arm  3  and the support frame  1 . 
     The support frame  1  further includes a connecting frame  10  connecting the first support frame  11  and the second support frame  12 , the first support frame  11  is rotatably connected to one end of the connecting frame  10  in a folding state, the second support frame  12  is rotatably connected to the other end of the connecting frame  10  in a folding state, connecting structures  14  for fixing the first support frame  11  and the second support frame  12  to the connecting frame  10  are respectively disposed between corresponding ends of the connecting frame  10  and the first support frame  11  and the second support frame  12 . Referring to the drawings, the connecting structure  14  may be a locking bolt provided on the connecting frame  10  to fix the connecting frame  10  with the first support frame  11  and the second support frame  12 , and the locking bolt is provided with a knob. 
     The underframes  13  are cross bars  15  disposed at the bottoms of the first support frame  11  and the second support frame  12  respectively. In order to facilitate manufacture, the first support frame  11  and the second support frame  12  consist a support arm, which is beneficial to the quick folding and storage of the first support frame  11  and the second support frame  12 . 
     The support frame  1  is also provided with an upward extending extension rod  6  provided with a transverse grip rod  61 , and the transverse grip rod  61  can be used for holding by hand in swinging with the footrests  2 ; and The support frame  1  is also provided with a pair of elastic handles  7  which can be used for exercising arm or wrist tension. 
     The extension rod  6  is inclined upward and forward; Both ends of the grip rod  61  are provided with rotating arms  62  for exercising the flexibility of arms or wrists; and The grip rod  61  is provided with a second pivot structure  63  which can adjust a folding angle of the rotating arm  62  and position the rotating arm  62 , and the rotating arm may also adopt a structure of locking nut. A hand-holding knob may be provided on the rotating arm  62 . 
     The rotating arm  62  and the pair of elastic handles  7  can realize the multifunctions of the exercise machine on the basis of the exercise machine of the present invention and meet the multifunction requirements of household. 
     The X pivot assembly  4  includes a first shaft disposed on the support frame  1  and a shaft sleeve  41  rotatably disposed on the first shaft. The Y pivot assembly  5  includes a pair of connecting arms  51  meshing on the shaft sleeve  41 . The pair of connecting arms  51  are rotatably connected to the shaft sleeve  41 , and the lower ends of the pair of connecting arms  51  are connected with the suspension arms  3 . A pair of connecting arms  51  are disposed such that the connecting arms  51  are rotatably connected to the shaft sleeve  41  through the second shaft  52 . 
     The extension rod  6  is provided with a support rod  60 , and bottoms of the extension rod  6  and the support rod  60  are provided with a connecting plate  64  connecting the support frame  1 . The connecting plate  64  can be connected to the connecting frame  10  by bolts, so that the extension rod  6  can be disassembled and transported conveniently. 
     The footrests  2 , the suspension arms  3 , the X pivot assemblies  4  and the Y pivot assemblies  5  are symmetrically disposed on both sides of the connecting frame  10 . 
     In order to facilitate smooth rotation, the axes of the X pivot assembly  4  and the Y pivot assembly  5  are disposed on a same plane. 
     The front and back, left and right described in the present invention are the normal use of the swing exercise machine in the present invention, and when a consumer steps on the footrests with both feet, the swing directions are front and back and left and right.