Back-Pedal Hack Integrated Machine Convenient for Angle Adjustment

Abstract

A back-pedal Hack integrated machine convenient for angle adjustment comprises an underframe, wherein the underframe is provided with a rotatable first frame body and a rotatable second frame body; the long side of the second frame body is provided with a slider which can slide freely, and the slider is used for setting a required counterweight; the angle adjustment between the first frame body and the underframe is realized through a first angle adjustment mechanism; and the angle adjustment between the second frame body and the underframe is realized through a second angle adjustment mechanism.

What is claimed is: 
     
         1 . A back-pedal Hack integrated machine convenient for angle adjustment, comprising:
 an underframe, wherein a rotatable first frame body and a rotatable second frame body are arranged on the underframe; a slider which can freely slide is arranged on a long side of the second frame body, and the slider is used for arranging a required counterweight;   an angle between the first frame body and the underframe is adjusted by a first angle adjustment mechanism; and   an angle between the second frame body and the underframe is adjusted by a second angle adjustment mechanism.   
     
     
         2 . The back-pedal Hack machine convenient for angle adjustment according to  claim 1 , wherein the first frame body and the underframe form a rotatable structure through a first pivot, and the second frame body and the underframe form a rotatable structure through a second pivot; and bearings are arranged in both the first pivot and the second pivot. 
     
     
         3 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 1 , wherein a force bearing surface of the first frame body is provided with a detachable pedal and a backrest plate, and the functions of the integrated machine are switched by exchanging the pedal and the backrest plate. 
     
     
         4 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 1 , wherein the first angle adjustment mechanism comprises a swinging rod pivoted at a bottom of the first frame body and a clamping member fixed on the underframe. 
     
     
         5 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 4 , wherein a free end of the swinging rod is set as clamping parts, and the clamping member is intended to form a plurality of clamping grooves, and the clamping grooves are set corresponding to the clamping parts. 
     
     
         6 . The back-pedal Hack machine convenient for angle adjustment according to  claim 1 , wherein the second adjustment mechanism comprises a connecting frame fixedly connected with the underframe and a telescopic member arranged between the connecting frame and the second frame body. 
     
     
         7 . The back-pedal Hack machine convenient for angle adjustment according to  claim 6 , wherein the telescopic member comprises a sleeve and a telescopic tube, and the sleeve is rotatably connected to the connecting frame. 
     
     
         8 . The back-pedal Hack machine convenient for angle adjustment according to  claim 7 , wherein one end of the telescopic tube is rotatably connected to the second frame body, while the other end of the telescopic tube passes through the sleeve, and the telescopic tube is slidably connected with the sleeve. 
     
     
         9 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 8 , wherein the sleeve is provided with a locking member for locking the telescopic tube in the sleeve. 
     
     
         10 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 9 , wherein the locking member is a pin, and the pin penetrates into the sleeve. 
     
     
         11 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 10 , wherein a surface of the telescopic tube facing the locking member is uniformly provided with a plurality of jacks, and the pin is inserted into one of the jacks. 
     
     
         12 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 9 , wherein the locking member is a bolt, and the bolt is in threaded connection with the sleeve. 
     
     
         13 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 12 , wherein one end of the bolt penetrates into the sleeve and closely adheres to a surface of the telescopic tube. 
     
     
         14 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 6 , wherein a damping hinge or a hydraulic support rod is arranged between the second frame body and the connecting frame. 
     
     
         15 . A back-pedal Hack integrated machine convenient for angle adjustment, comprising:
 an underframe, wherein a rotatable first frame body and a rotatable second frame body are arranged on the underframe, and a slider which can slide freely is arranged on a long side of the second frame body; and   wherein one side of the first frame body facing the underframe is rotatably connected with a swinging rod; and   the underframe is provided with a clamping member which is clamped with the swinging rod; and   one end of the underframe is fixedly connected with a connecting frame positioned below the second frame body, and a telescopic member is arranged between the connecting frame and the second frame body for angle fixation of the second frame body.   
     
     
         16 . The back-pedal Hack machine convenient for angle adjustment according to  claim 15 , wherein a free end of the swinging rod is set as a clamping part, and the clamping member is indented to form a plurality of clamping grooves, and the clamping part is inserted into one of the clamping grooves. 
     
     
         17 . The back-pedal Hack machine convenient for angle adjustment according to  claim 15 , wherein the telescopic member comprises a sleeve and a telescopic tube, and the sleeve is rotatably connected to the connecting frame. 
     
     
         18 . The back-pedal Hack integrated machine convenient for angle adjustment according to  claim 17 , wherein one end of the telescopic tube is rotatably connected to the second frame body, while the other end of the telescopic tube passes through the sleeve; and the telescopic tube is slidably connected with the sleeve, and the sleeve is provided with a locking member for locking the telescopic tube in the sleeve.