Multifunctional Chair

Abstract

A multifunctional chair is disclosed, including: a first frame body unit, the first frame body unit including a head end and a tail end; a first supporting unit configured to support the first frame body unit, the first supporting unit connected with a first connecting position of the first frame body unit and a height of the tail end of the first frame body unit being lower than a height of the first connecting position; a first leaning unit arranged in a position of the first frame body unit close to the first connecting position; a second frame body unit arranged on a back portion of the first frame body unit, the second frame body unit and the first frame body unit being rotatably connected, the second frame body unit and the first frame body unit in rotatable connection being capable of moving between a first posture of a reclining chair or a seat and a second posture of fitness equipment, the second frame body unit and the first frame body unit being in the first posture when having an angle, and the second frame body unit and the first frame body unit being in the second posture when the tail ends of the second frame body unit and the first frame body unit are overlapped; and a second leaning unit arranged on the second frame body unit. The multifunctional chair has multiple functions and is also used for seats, recliners and fitness equipment, and has simple structure, simple and fast operation, convenient use, and easy to carry and transport.

What is claimed is: 
     
         1 . A multifunctional chair, comprising:
 a first frame body unit, the first frame body unit being provided with a head end and a tail end;   a first supporting unit configured to support the first frame body unit, the first supporting unit being connected with a first connecting position of the first frame body unit and a height of the tail end of the first frame body unit being lower than a height of the first connecting position;   a first leaning unit arranged in on top of the first frame body unit, and close to the first connecting position;   a second frame body unit arranged on a back portion of the first frame body unit, the second frame body unit and the first frame body unit being rotatably connected, the second frame body unit and the first frame body unit in rotatable connection being capable of moving between a first posture of a reclining chair or a seat and a second posture of fitness equipment, the second frame body unit and the first frame body unit being in the first posture when having an angle, and the second frame body unit and the first frame body unit being in the second posture when the tail ends of the second frame body unit and the first frame body unit are overlapped; and   a second leaning unit arranged on top of the second frame body unit.   
     
     
         2 . The multifunctional chair of  claim 1 , wherein the first frame body unit comprises a frame body structure I and a transverse supporting structures I arranged in parallel, the transverse supporting structures I are arranged on top of the frame body structure I at an interval, the frame body structure I and the transverse supporting structures I are configured to mount and support the first leaning unit, the frame body structure I and/or the transverse supporting structures I are arranged as a rod-shaped structure, and the frame body structure I is arranged as an upward-convex arc-shaped structure. 
     
     
         3 . The multifunctional chair of  claim 2 , wherein the frame body structure I is arranged as an integrated structure. 
     
     
         4 . The multifunctional chair of  claim 2 , wherein the frame body structure I is arranged as a split structure, comprising:
 a frame body portion I; and   a frame body portion II pivotably connected with the frame body portion I via a pivotal structure I, the pivotal structure I comprising a frame body portion III and at least two pivotal connectors I hinged to two ends of the frame body portion III, the frame body portion I and the frame body portion II being respectively hinged with the pivotal connectors I and being respectively folded, and contracted relative to two ends of the frame body portion III to change an angle formed between the frame body portion I and the frame body portion II, thereby unfolding and folding states of the frame body portion I and the frame body portion II being adjusted.   
     
     
         5 . The multifunctional chair of  claim 3 , wherein the second frame body unit is connected with the first frame body unit via a third rotating assembly, and is configured to adjust a first posture and/or a second posture in position of the second frame body unit relative to the first frame body unit and/or lock the second frame body unit in the first posture and/or the second posture, the third rotating assembly is arranged in a middle position of the first frame body unit, and the second frame body unit is arranged to be matched with a shape of the tail end of the first frame body unit;
 the second posture is formed in such a way that the second frame body unit moves along the direction of the tail end of the first frame body unit via rotation of the third rotating assembly to be overlapped with the tail end of the first frame body unit; and   the first posture is formed in such a way that the second frame body unit moves along any one direction of the head end or the tail end of the first frame body unit via rotation of the third rotating assembly to have an angle with the first frame body unit.   
     
     
         6 . The multifunctional chair of  claim 5 , wherein the second frame body unit comprises a frame body structure II and transverse supporting structures II arranged in parallel, the transverse supporting structures II are arranged on the frame body structure II at an interval, the frame body structure II and the transverse supporting structures II are configured to mount and support the second leaning unit, the frame body structure II and/or the transverse supporting structures II are arranged as a rod-shaped structure, and the frame body structure II is arranged as an upward-convex arc-shaped structure matched with the tail end of the frame body structure I. 
     
     
         7 . The multifunctional chair of  claim 6 , wherein the third rotating assembly comprises:
 a ratchet wheel with a ratchet wheel arm, the ratchet wheel arm being connected with the frame body structure II and/or the transverse supporting structures II;   a rotating arm, one end thereof being hinged with the ratchet wheel via a ratchet wheel shaft and the other end thereof being connected with the frame body structure I and/or the transverse supporting structures I;   a check pawl hinged with the rotating arm via a check pawl shaft and arranged corresponding to the ratchet wheel for resisting rotation of the ratchet wheel;   a return piece sleeved on the ratchet wheel shaft, one end of the return piece being provided with an arc-shaped notch structure, the ratchet wheel being provided with an arc-shaped protrusion structure corresponding to the arc-shaped notch, and the other end of the return piece being provided with a lug structure corresponding to the check pawl to drive the check pawl to leave the ratchet wheel; and   a restoration piece for restoring the check pawl.   
     
     
         8 . The multifunctional chair of  claim 6 , wherein the third rotating assembly comprises:
 a connector III connected with the frame body structure II; and   a rotating shaft III, one end thereof being connected with the frame body structure I and the other end thereof being connected with the connector III.   
     
     
         9 . The multifunctional chair of  claim 8 , further comprising a third supporting unit for supporting the second frame body unit, the third supporting unit being arranged on a lower rear side of the second frame body unit, the third supporting unit comprising:
 a third supporting piece, an upper end of the third supporting piece being rotatably connected with the frame body structure II, the third supporting piece comprising two supporting pieces III and a clamping piece III, and the upper ends of the two supporting pieces III being rotatably connected with the two frame body structures II via hinging pieces III respectively and the lower ends thereof being connected to positions of the clamping piece III close to two end portions, respectively; and   At least two third adjusting assemblies, the third adjusting assemblies being correspondingly arranged on the two frame body structures I to adjust the position of the third supporting piece relative to the first frame body unit, each of the third adjusting assemblies comprising an adjusting piece III, the adjusting piece III being provided with several adjusting channels III, each of the adjusting channels III being arranged to be matched with the lower end of the third supporting piece, the adjusting channels III being arranged as trough structures opened in the upper ends, and the clamping piece III between a position where the two supporting pieces III and the clamping piece III are connected and two end portions of the clamping piece III is connected with the trough structure in a clamping manner to support and lock the lower end of the third supporting piece in a certain adjusting channel III.   
     
     
         10 . The multifunctional chair of  claim 2 , wherein the first connecting position is arranged close to the head end of the first frame body unit and/or is arranged overlapped with the head end of the first frame body unit, there is at least one first supporting unit, the first supporting unit is arranged at an angle with a mounting end surface, the upper end of the first supporting unit is arranged obliquely backwards, the first supporting unit comprises at least two first supporting pieces arranged in parallel, each of the first supporting pieces is arranged as a rod-shaped structure or a structure that is narrower on the upper portion and wider on the lower portion, and the upper end of the first supporting piece is connected with the first connecting position of the first frame body unit and the lower end of the first supporting piece leans against the mounting end surface of a mounting medium. 
     
     
         11 . The multifunctional chair of  claim 10 , wherein the first supporting piece is arranged as an integrated structure, and the first supporting unit is rotatably connected with the first frame body unit via a first rotating assembly, the first rotating assembly comprising:
 a connector I connected with the first connecting position on the frame body structure I;   a rotating shaft I, one end thereof being hinged with the first supporting piece while the other end thereof being connected with the connector I, the rotating shaft I being arranged perpendicular to a direction of the frame body structure I; and   a limiting piece I arranged on a front portion of the connector I, the first supporting unit being rotated forwards relative to the first frame body unit to the front end of the first supporting piece to lean against the limiting piece I so as to unfold the first supporting unit, and the first supporting unit being rotated by the first frame body unit to lean against the first frame body unit so as to fold and contract the first supporting unit.   
     
     
         12 . The multifunctional chair of  claim 10 , wherein the first supporting piece is arranged as a split structure, comprising:
 a first supporting portion, a lower end of the first supporting portion being arranged close to the first connecting position; and   a second supporting portion pivotably connected with the first supporting portion, change an angle between the first supporting portion and second supporting portion, thereby the unfolding and folding states of the first supporting portion and the second support being adjusted, the second supporting portion being capable of folding and contracting the second supporting portion when rotating relative to the first supporting portion to lean against the lower side of the frame body portion I, the second supporting portion being capable of unfolding the second supporting portion when rotating relative to the second supporting portion to an original state, connecting ends of the first supporting portion and the second supporting portion being further provided with positioning protrusions, and the connecting end of the second supporting portion being correspondingly provided with a positioning groove to position the unfolded second supporting portion.   
     
     
         13 . The multifunctional chair of  claim 2 , further comprising a positioning unit arranged on the first supporting unit, wherein when the multifunctional chair is in the second posture, the positioning unit is configured for placing and/or positioning a foot or a leg of a human body, the positioning unit comprising:
 at least two positioning connectors arranged at an interval, the positioning connectors being arranged as rod-shaped structures at an interval, two ends of the positioning connectors being respectively connected with a first supporting piece; and/or   positioning adjusting pieces sleeved on the positioning connectors, the outer ends of the each of the positioning adjusting pieces being formed with a positioning end surface for the foot or the leg of the human body to lean against and the positioning adjusting piece being arranged as a flexible structure.   
     
     
         14 . The multifunctional chair of  claim 2 , further comprising a second supporting unit, wherein the second supporting unit is connected with the tail end of the first frame body unit and/or is connected with a main body close to the tail end. 
     
     
         15 . The multifunctional chair of  claim 2 , further comprising a second supporting unit, wherein the second supporting unit is composed of the tail end of the first frame body unit and/or a main body of the first frame body unit close to the tail end. 
     
     
         16 . The multifunctional chair of  claim 14 , wherein there is at least one second supporting unit, the second supporting unit is arranged at an angle with the mounting end surface, the upper end of the second supporting unit is arranged obliquely forwards, the second supporting unit comprises at least two second supporting pieces arranged in parallel, each of the second supporting pieces is arranged as a rod-shaped structure or a structure that is narrower on the upper portion and wider on the lower portion, the upper end of the first supporting piece is connected with the first frame body unit and the lower end of the first supporting piece leans against the mounting end surface of a mounting medium, the two second supporting pieces are respectively located on a same plane with the frame body structure I on the same side, the second supporting unit further comprises at least one second reinforcer arranged between the two second supporting pieces, and the second reinforcer is arranged as a rod-shaped structure to reinforce the second supporting unit. 
     
     
         17 . The multifunctional chair of  claim 2 , further comprising a handrail structure, wherein the handrail structure is arranged at the head end of the first frame body unit, and is sleeved outside the head end of the first frame body unit for holding. 
     
     
         18 . The multifunctional chair of  claim 2 , wherein the first leaning unit comprises a first leaning structure for the human body to sit or lie down, the first leaning structure being formed by extending from a position close to the first connecting position and/or from the first connecting position along the direction of the tail end of the first frame body unit; and
 the second leaning unit comprises a second leaning structure for the human body to sit or lie down, the second leaning structure being arranged on the second frame body unit and being formed by extending from one end of the second frame body unit along the direction of the other end along the first frame body unit.   
     
     
         19 . The multifunctional chair of  claim 18 , wherein the first leaning structure is connected with the frame body structure I by an end portion thereof and/or by wrapping the frame body structure I fully;
 and/or the second leaning structure is connected with the frame body structure II by an end portion thereof and/or by wrapping the frame body structure II fully;   the first leaning structure and/or the second leaning structure are arranged as cloth structures and/or leather structures and/or bamboo structures and/or rattan structures and/or plastic structures and/or wooden structures.   
     
     
         20 . The multifunctional chair of  claim 18 , wherein the first leaning structure is connected with the frame body structure I via a first connecting assembly, the first connecting assembly being arranged as a buckling structure and/or a hooking structure and/or a pasting structure;
 and/or the second leaning structure is connected with the frame body structure II via a second connecting assembly, the second connecting assembly being arranged as a buckling structure and/or a hooking structure and/or a pasting structure; and   the first leaning structure and/or the second leaning structure are arranged as cloth structures and/or leather structures and/or bamboo structures and/or rattan structures and/or plastic structures and/or wooden structures.