Multi-size folding table with stable structure

Abstract

A multi-size folding table with a stable structure is provided. A table board includes a middle table board and two side table boards. Two ends of the middle table board are respectively pivotally connected to the two side table boards. The two side table boards are configured to be rotated to achieve unfolding and folding thereof. A bottom surface of the table board is correspondingly disposed with guiding members. The guiding members are respectively connected to four table leg assemblies. The four table leg assemblies are configured to reciprocate. Each of the four table leg assemblies includes a supporting leg for supporting the table board. When the two side table boards are in an unfolded position, the supporting legs are located below the two side table boards. When the two side table boards are in a folded position, the supporting legs are located below the middle table board.

What is claimed is: 
     
         1 . A multi-size folding table, comprising:
 a table board, and   four table leg assemblies, wherein:
 the table board comprises a middle table board and two side table boards, 
 two ends of the middle table board in a length direction of the table board are respectively pivotally connected to the two side table boards, 
 the two side table boards are configured to be rotated to achieve unfolding and folding of the two side table boards, 
 a bottom surface of the table board is correspondingly disposed with guiding members, 
 the guiding members are respectively connected to the four table leg assemblies, 
 the four table leg assemblies are configured to reciprocate along the length direction of the table board due to restriction of the guiding members, 
 each of the four table leg assemblies comprises a supporting leg for supporting the table board, 
 when the two side table boards are in an unfolded position, the supporting legs are slid to be located below the two side table boards, and 
 when the two side table boards are in a folded position, the supporting legs are slid to be located below the middle table board. 
   
     
     
         2 . The multi-size folding table according to  claim 1 , wherein:
 each of the four table leg assemblies comprises a side supporting member and a sliding rod,   an end portion of the supporting leg and an end portion of the side supporting member are respectively pivotally connected to the sliding rod,   the side supporting member comprises a sliding groove extending along a length direction of the side supporting member,   the supporting leg correspondingly comprises a position-limiting sliding block, and   the position-limiting sliding block is disposed in the sliding groove and is configured to be relatively displaced along the length direction of the side supporting member to achieve unfolding or folding of the supporting leg.   
     
     
         3 . The multi-size folding table according to  claim 2 , wherein:
 each of the guiding members comprises at least one guiding tube extending along the length direction of the table board,   the sliding rod is sleeved with at least one of the at least one guiding tube, and   the four table leg assemblies are configured to be slid relatively in the length direction of the table board through a cooperation between the sliding rod and the at least one guiding tube.   
     
     
         4 . The multi-size folding table according to  claim 3 , wherein:
 one end of each of the guiding members away from a middle of the table board is disposed with a position-stopping member,   a distance between the position-stopping member and the at least one guiding tube adjacent to the position-stopping member is less than a length of the sliding rod, and   when the four table leg assemblies are slid to a farthest position along a direction away from the middle table board, the sliding rod abuts the position-stopping member.   
     
     
         5 . The multi-size folding table according to  claim 4 , wherein:
 the position-stopping member is disposed on a bottom surface of a corresponding one of the two side table boards.   
     
     
         6 . The multi-size folding table according to  claim 4 , wherein:
 one end of the sliding rod away from the middle of the table board is a pivoting end,   the supporting leg and the side supporting member are pivotally connected to the pivoting end,   the at least one guiding tube is disposed on a bottom surface of the middle table board, and   the pivoting end is located between the position-stopping member and the at least one guiding tube adjacent to the position-stopping member.   
     
     
         7 . The multi-size folding table according to  claim 6 , wherein:
 the supporting legs on two table leg assemblies of the four table leg assemblies arranged on a same side of the table board and spaced apart in a width direction of the table board are connected by a connecting rod, and   the connecting rod and the supporting legs on the two table leg assemblies connected to the connecting rod form an H-shaped supporting leg.   
     
     
         8 . The multi-size folding table according to  claim 7 , wherein:
 a side of each of the two side table boards away from the middle table board comprises a table leg buckling groove, and   when the two side table boards are rotated inwardly to abut the H-shaped supporting legs, the H-shaped supporting legs are buckled to the table leg buckling grooves.   
     
     
         9 . The multi-size folding table according to  claim 1 , wherein:
 a length of each of the two side table boards is half a length of the middle table board.   
     
     
         10 . The multi-size folding table according to  claim 3 , wherein:
 the sliding rod and the at least one guiding tube sleeved on the sliding rod have an interference fit.   
     
     
         11 . The multi-size folding table according to  claim 5 , wherein:
 one end of the sliding rod away from the middle of the table board is a pivoting end,   the supporting leg and the side supporting member are pivotally connected to the pivoting end,   the at least one guiding tube is disposed on a bottom surface of the middle table board, and   the pivoting end is located between the position-stopping member and the at least one guiding tube adjacent to the position-stopping member.   
     
     
         12 . The multi-size folding table according to  claim 11 , wherein:
 the supporting legs on two table leg assemblies of the four table leg assemblies arranged on a same side of the table board and spaced apart in a width direction of the table board are connected by a connecting rod, and   the connecting rod and the supporting legs on the two table leg assemblies connected to the connecting rod form an H-shaped supporting leg.   
     
     
         13 . The multi-size folding table according to  claim 12 , wherein:
 a side of each of the two side table boards away from the middle table board comprises a table leg buckling groove, and   when the two side table boards are rotated inwardly to abut the H-shaped supporting legs, the H-shaped supporting legs are buckled to the table leg buckling grooves.