Folding mechanism for treadmill and treadmill

Abstract

A folding mechanism for a treadmill and a treadmill are provided. The folding mechanism includes: a standpipe, wherein a first end of the standpipe is provided with a connection portion, and the connection portion is provided with a hinge hole and a limiting hole; and a dial frame including a body, wherein the body is provided with a hinge portion and a limiting portion that are spaced apart from each other, the hinge portion is pivotally connected to the hinge hole, and the limiting portion includes a movable limiting member, wherein the dial frame is rotated relative to the standpipe between a first position and a second position; in a case where the dial frame is in the second position, the limiting member and the limiting hole form a limiting fit.

What is claimed is: 
     
         1 . A folding mechanism for a treadmill, comprising:
 a standpipe, wherein a first end of the standpipe is provided with a connection portion, and the connection portion is provided with a hinge hole and a limiting hole; and   a dial frame comprising a body, wherein the body is provided with a hinge portion and a limiting portion that are spaced apart from each other, the hinge portion is pivotally connected to the hinge hole, and the limiting portion comprises a movable limiting member,   wherein the dial frame is rotated relative to the standpipe between a first position and a second position; in a case where the dial frame is in the second position, the limiting member and the limiting hole form a limiting fit.   
     
     
         2 . The folding mechanism of  claim 1 , wherein the limiting portion further comprises a first elastic member, and the first elastic member is configured to apply an elastic force to the limiting member, such that the limiting member is always in a locking position. 
     
     
         3 . The folding mechanism of  claim 2 , wherein the limiting portion further comprises a first support plate and a second support plate that are spaced apart; the first support plate and the second support plate are connected to the body, and each of the first support plate and the second support plate is provided with a through hole; and the limiting member passes movably through two through holes;
 wherein the limiting member is provided with a first anti-disengagement portion and a second anti-disengagement portion; the first anti-disengagement portion and the through hole of the first support plate form an anti-disengagement fit, and the second anti-disengagement portion and the through hole of the second support plate form an anti-disengagement fit; the first elastic member is sleeved on the limiting member, and both ends of the first elastic member are respectively abutted between the first support plate and the second anti-disengagement portion; the first elastic member is always in a compression state and applies an elastic force to the second anti-disengagement portion, such that the limiting member is always in the locking position.   
     
     
         4 . The folding mechanism of  claim 1 , wherein the connection portion is a hollow structure, and the limiting hole is arranged to pass through a wall of the connection portion; the connection portion is further provided with a first unlocking portion; the first unlocking portion is movably arranged on the connection portion, and a position of the connection portion corresponds to a position of the limiting hole; and
 the first unlocking portion is adapted to drive the limiting member to move under an action of an external force, such that the limiting member and the limiting hole are released from the limiting fit.   
     
     
         5 . The folding mechanism of  claim 1 , wherein in a case where the dial frame is in the second position, the dial frame and the standpipe are arranged parallel to each other and in a fitting state. 
     
     
         6 . The folding mechanism of  claim 5 , wherein a side surface of the body facing the standpipe is further provided with a buffer member; in a case where the dial frame is in the second position, the buffer member is in contact with the standpipe. 
     
     
         7 . The folding mechanism of  claim 1 , wherein in a case where the dial frame is in the first position, a lower surface of the body is supported on an upper end surface of the connection portion. 
     
     
         8 . The folding mechanism of  claim 1 , wherein there are two standpipes that are arranged side by side and spaced apart; the dial frame further comprises two armrest portions corresponding to the two standpipes respectively; the two armrest portions are formed by extending from the body in a same direction, and each of the two armrest portions is provided with the hinge portion and the limiting portion. 
     
     
         9 . A treadmill, comprising:
 a folding mechanism, wherein the folding mechanism comprises:
 a standpipe, wherein a first end of the standpipe is provided with a connection portion, and the connection portion is provided with a hinge hole and a limiting hole; and 
 a dial frame comprising a body, wherein the body is provided with a hinge portion and a limiting portion that are spaced apart from each other, the hinge portion is pivotally connected to the hinge hole, and the limiting portion comprises a movable limiting member, 
 wherein the dial frame is rotated relative to the standpipe between a first position and a second position; in a case where the dial frame is in the second position, the limiting member and the limiting hole form a limiting fit; and 
   a base, wherein a second end of the standpipe is rotatably connected to the base, such that the standpipe is rotated relative to the base between an open position and a folding position.   
     
     
         10 . The treadmill of  claim 9 , wherein in a case where the standpipe is in the folding position relative to the base and the dial frame is in the second position relative to the standpipe, both the dial frame and the standpipe as well as both the standpipe and the base are arranged parallel to each other and in a fitting state. 
     
     
         11 . The treadmill of  claim 9 , wherein the second end of the standpipe is provided with a rotating shaft that rotatably fits in with the base, an end of the rotating shaft is connected with a locking member, and the locking member is rotated synchronously with the rotating shaft; and
 the base is further provided with a movable locking fit portion, and the locking fit portion is provided with a locking fit groove; in a case where the standpipe is in the open position or the folding position, the locking member and the locking fit groove form a limiting fit.   
     
     
         12 . The treadmill of  claim 11 , wherein the locking fit portion comprises a link mechanism; a first end of the link mechanism is provided with the locking fit groove, and a second end of the link mechanism is provided with a second unlocking portion; the second unlocking portion drives the locking fit groove to be engaged with or disengaged from the locking member under an action of an external force. 
     
     
         13 . The treadmill of  claim 12 , wherein the locking fit portion further comprises a second elastic member, and the second elastic member is configured to apply an elastic force to the second end of the link mechanism, such that the locking fit groove is always in a locking position where the locking fit groove is in the limiting fit with the locking member. 
     
     
         14 . The treadmill of  claim 11 , further comprising:
 a buffer air pressure rod, wherein a first end of the buffer air pressure rod is rotatably connected to the base, and a second end of the buffer air pressure rod is rotatably connected to the locking member.   
     
     
         15 . The treadmill of  claim 9 , wherein the limiting portion further comprises a first elastic member, and the first elastic member is configured to apply an elastic force to the limiting member, such that the limiting member is always in a locking position. 
     
     
         16 . The treadmill of  claim 15 , wherein the limiting portion further comprises a first support plate and a second support plate that are spaced apart; the first support plate and the second support plate are connected to the body, and each of the first support plate and the second support plate is provided with a through hole; and the limiting member passes movably through two through holes;
 wherein the limiting member is provided with a first anti-disengagement portion and a second anti-disengagement portion; the first anti-disengagement portion and the through hole of the first support plate form an anti-disengagement fit, and the second anti-disengagement portion and the through hole of the second support plate form an anti-disengagement fit; the first elastic member is sleeved on the limiting member, and both ends of the first elastic member are respectively abutted between the first support plate and the second anti-disengagement portion; the first elastic member is always in a compression state and applies an elastic force to the second anti-disengagement portion, such that the limiting member is always in the locking position.   
     
     
         17 . The treadmill of  claim 9 , wherein the connection portion is a hollow structure, and the limiting hole is arranged to pass through a wall of the connection portion; the connection portion is further provided with a first unlocking portion; the first unlocking portion is movably arranged on the connection portion, and a position of the connection portion corresponds to a position of the limiting hole; and
 the first unlocking portion is adapted to drive the limiting member to move under an action of an external force, such that the limiting member and the limiting hole are released from the limiting fit.   
     
     
         18 . The treadmill of  claim 9 , wherein in a case where the dial frame is in the second position, the dial frame and the standpipe are arranged parallel to each other and in a fitting state. 
     
     
         19 . The treadmill of  claim 18 , wherein a side surface of the body facing the standpipe is further provided with a buffer member; in a case where the dial frame is in the second position, the buffer member is in contact with the standpipe. 
     
     
         20 . The treadmill of  claim 9 , wherein in a case where the dial frame is in the first position, a lower surface of the body is supported on an upper end surface of the connection portion.