Health bicycle with arm exercise function

Abstract

Disclosed is a sporting apparatus for handstand which makes it possible to protect a user's ankle, knee and waist during an exercise by distributing the loads which focus on a user's ankle while a user's lying-down posture with his back on a backrest board is rotated to a handstand posture, so a weak and old person or a user whose bones can easily fracture can do exercise in safe. The sporting apparatus comprises a base mounted on the ground and having a handle being installed on the upper side of it; a backrest board which is rotatably hinged to the base and supports a user's back; an angle-shaped lower body mounting part which is integrally engaged to a lower side of the backrest board and on which is disposed a sitting board allowing a user to sit on it, an ankle fixing rod is formed at a lower side, and bumper part connecting the backrest board and the base while providing a bumper force.

1 . A sporting apparatus for handstand, comprising:
 a base  2  including a connection part  26  which is mounted on the ground and is hinged by way of a pivot pin “P” after the upper sides of a pair of front legs  22  and a pair of rear legs  24  are crossed and connects the front legs  22  and the rear legs  24 , with a handle  28  being installed on the upper side of the base  2 ;   a backrest board  3  which is rotatably hinged to the base  2  and supports a user's back;   a lower body mounting part  4  including a support part  44  which is integrally engaged to a lower side of the backrest board  3 , with an ankle fixing rod  445  being formed at its lowers side, and with a popliteal fossa engaging rod  446  being formed at its upper side, and a sitting board  42  formed on an upper side of the support part  44 ; and   a bumper part  5  which is configured to connect the backrest board  3  and the base  2  while generating a bumper force.   
     
     
         2 . The apparatus of  claim 1 , wherein the backrest part  3  comprises an upper board  32  and a lower board  34  which are foldable, and a frame “F” connecting the upper board  32  and the lower board  34 , and a folding part  36  is formed at the frame F, so the upper board  32  and the lower board  34  can be folded. 
     
     
         3 . The apparatus of  claim 2 , wherein the folding part  36  comprises:
 a first engaging part  361  one end of which is open, and a cross section is formed in a U-shape and which is installed at the upper board  32 ; and 
 a second engaging part  362  which is rotatably engaged to the first engaging part  361  by means of a pivot pin  363  and is installed at the lower board  34 . 
 
     
     
         4 . The apparatus of  claim 1 , further comprising:
 a position setting part  6  which is configured to limit a rotation angle of the backrest part so that the lowest position and the highest position of the backrest board  3  can be limited, and the position setting part  6  comprises an engaging part  62  which is attached to the rear legs  24  and has a plurality of engaging grooves  622 , and a stopper  65  which is hinged at the rear legs  24  and is caught on the engaging groove  622 .   
     
     
         5 . The apparatus of  claim 1 , further comprising:
 a fixing band  422  which is provided at both the end portions of the sitting board  42  for thereby binding and fixing the user's thighs.   
     
     
         6 . The apparatus of  claim 1 , wherein the support part  44  is formed in an angled shape when viewing it from its side, and two pipes  441  and  442  are inserted and engaged to a lower side for the sake of a height adjustment, and a pin  444  is inserted into each pin hole  443  formed at a side surface, and an insertion and engagement structure is formed at an end portion of an engaged portion  445  of the support part  44  and the backrest board  3 , so the distance can be adjusted by inputting or disengaging the support part  44 . 
     
     
         7 . The apparatus of  claim 1 , wherein both ends of the connection part  26  are hinged to the front legs  22  and the rear legs  24  by way of a pivot pin and can be assembled or disassembled, and a hinge part  263  is formed at an intermediate portion, so it can be foldable. 
     
     
         8 . The apparatus of  claim 1 , wherein said bumper part  5  is configured to prevent a prompt descent and ascent of the backrest part  3 , with one end of which being hinged to the rear legs  24 , and the other end of which working as a gas-filled shock absorber hinged to a side surface of the backrest part  3 . 
     
     
         9 . The apparatus of  claim 1 , wherein there is provided a neck towing part  7  at an upper side of the backrest board  3  for resting the neck, and the neck towing part  7  comprises a slider  72  having a certain length with an end of it being engaged with the backrest board  3 , a neck rest part  73  engaged to the other end of the slider  72 , a jaw strip  732  engaged at the neck rest part  73  for fixing a user's jaw and a tension part  74  which is formed of a body  742  one end of which is engaged to the backrest board  3  and a piston rod  744  engaged to the body  742  and the neck rest part  73 , respectively. 
     
     
         10 . The apparatus of  claim 9 , wherein the tension part  4  is formed of a body  742 , and a piston rod  744  which is engaged to the body  742  and reciprocates, and the piston rod  744  generates a driving force for disengaging the neck rest part  73  with the aid of a pressurizing means disposed in the interior of the body  742 . 
     
     
         11 . The apparatus of  claim 9 , wherein there is provided a length adjusting apparatus  9  for adjusting the length of the neck rest part  73 , and the length adjusting apparatus  9  comprises a variable box  92  formed at the base  2  and having a multiply-staged adjusting groove  93 , an operation lever  94  which is rotatably engaged to the variable box  92  and is inserted into the adjusting groove  93 , a horizontal bar  95  which is integrally connected to the operation lever  94 , and a link rod  96  one end of which is connected to the horizontal bar  95 , and the other end of which is connected with the neck rest part  73 , the link rod  96  being configured to have a certain length. 
     
     
         12 . The apparatus of  claim 11 , wherein the variable box  92  features in that a multiple-stage adjusting groove  93  is formed in a tooth shape, and an operation lever  94  is rotatably engaged in the interior of the variable box  92 , and the multiple-stage adjusting groove  93  is configured to increase or decrease the length of the link rod  96  depending on each stage.