High chair structure

Abstract

A high chair structure is disclosed. In the disclosed high chair, an upper tray board is elastically fixed on a tray assembly of a seat part thereof. In addition, two fixing-belt receiving grooves are disposed on two sides of the seat part, and two cover boards are disposed on the openings of the fixing-belt receiving grooves to cover thereon. Moreover, the high chair further comprises a desk part that can be separated from the seat part, so that the desk part can be used as a desk alone.

What is claimed is: 
     
         1 . A high chair, comprising:
 a seat part comprising a baseboard and a peripheral wall extended from the baseboard to define a seating space;   a tray part set up between the two sides of the peripheral wall of the seat part, wherein the tray part comprises:
 a tray assembly having a trap area disposed on an upper surface of the trap assembly, wherein two sides of the tray assembly are locked on the peripheral wall on two sides of the seat part, and the trap area has at least two corresponding concave holes disposed on a periphery of the trap area; and 
 an upper tray board correspondingly accommodated in the trap area of the tray assembly; 
   elastic tenons disposed on an outer surface of the upper tray board to correspond to the concave holes, so that the tenons can just inserted into the concave holes to fix the upper tray board on the tray assembly when the upper tray board is correspondingly disposed in the trap area of the tray assembly.   
     
     
         2 . The high chair of  claim 1 , wherein an outer surface of the upper tray board has notches to correspond to the concave holes, an elastic segment is across two sidewalls of the notches, and the tenons are disposed on the elastic segments. 
     
     
         3 . The high chair of  claim 2 , further comprising:
 two fixing-belt receiving grooves respectively disposed on two sides of the peripheral walls of the seat part;   fixing belts, wherein the two fixing-belt receiving grooves are respectively combined with one ends of the fixing belts, and free ends of the fixing belts are buckled to each other;   two insert slots respectively disposed on upper edges of the openings of the two fixing-belt receiving grooves;   bumps respectively disposed on lower edges of the openings of the fixing-belt receiving grooves;   two cover boards respectively disposed on the openings of the fixing-belt receiving grooves;   two insert sheets respectively disposed in the insert slots; and   two grooves respectively disposed on the cover boards to receive the bumps, so that the cover boards are used to cover the fixing-belt receiving grooves.   
     
     
         4 . The high chair of  claim 3 , wherein the fixing belts on two sides of the seat part comprises back belts and seat belts, and free ends of the back belts are buckled to each other and free ends of the seat belts are buckled to each other. 
     
     
         5 . The high chair of  claim 4 , further comprising:
 a desk part;   at least three socket parts equiangularly disposed on a periphery of the desk part;   intercalation holes respectively disposed on the socket parts;   linking rods respectively disposed below and extended downward from the seat part to respectively correspond to the socket parts;   fasteners pivotally disposed on bottoms of the linking rods and inserted into the intercalation holes to fix the seat part on the desk part; and   supporting legs disposed below bottoms of the socket parts.   
     
     
         6 . The high chair of  claim 5 , wherein middle parts of the fasteners are pivotally assembled with the linking rods to let two ends of each of the fasteners moves like a seesaw, wherein one end of each of the fasteners toward the seat part is a pressing end, and the other end of each of the fasteners has a hook extended along the body of the fastener first and then tilt upward to form an inclined surface on the bottom of the hook. 
     
     
         7 . The high chair of  claim 3 , further comprising
 a desk part;   at least three socket parts equiangularly disposed on a periphery of the desk part;   intercalation holes respectively disposed on the socket parts;   linking rods respectively disposed below and extended downward from the seat part to respectively correspond to the socket parts;   fasteners pivotally disposed on bottoms of the linking rods and inserted into the intercalation holes to fix the seat part on the desk part; and   supporting legs disposed below bottoms of the socket parts.   
     
     
         8 . The high chair of  claim 7 , wherein middle parts of the fasteners are pivotally assembled with the linking rods to let two ends of each of the fasteners moves like a seesaw, wherein one end of each of the fasteners toward the seat part is a pressing end, and the other end of each of the fasteners has a hook extended along the body of the fastener first and then tilt upward to form an inclined surface on the bottom of the hook. 
     
     
         9 . The high chair of  claim 1 , further comprising:
 two fixing-belt receiving grooves respectively disposed on two sides of the peripheral walls of the seat part;   fixing belts, wherein the two fixing-belt receiving grooves are respectively combined with one ends of the fixing belts, free ends of the fixing belts are buckled to each other;   two insert slots respectively disposed on upper edges of the openings of the two fixing-belt receiving grooves;   bumps disposed respectively on lower edges of the openings of the fixing-belt receiving grooves;   two cover boards respectively disposed on the openings of the fixing-belt receiving grooves;   two insert sheets respectively disposed in the insert slots; and   two grooves respectively disposed on the cover boards to receive the bumps, so that the cover boards are used to cover the fixing-belt receiving grooves.   
     
     
         10 . The high chair of  claim 9 , wherein the fixing belts on two sides of the seat part comprises back belts and seat belts, and free ends of the back belts are buckled to each other and free ends of the seat belts are buckled to each other. 
     
     
         11 . The high chair of  claim 10 , further comprising:
 a desk part;   at least three socket parts equiangularly disposed on a periphery of the desk part;   intercalation holes respectively disposed on the socket parts;   linking rods respectively disposed below and extended downward from the seat part to respectively correspond to the socket parts;   fasteners pivotally disposed on bottoms of the linking rods and inserted into the intercalation holes to fix the seat part on the desk part; and   supporting legs disposed below bottoms of the socket parts.   
     
     
         12 . The high chair of  claim 11 , wherein middle parts of the fasteners are pivotally assembled with the linking rods to let two ends of each of the fasteners moves like a seesaw, wherein one end of each of the fasteners toward the seat part is a pressing end, and the other end of each of the fasteners has a hook extended along the body of the fastener first and then tilt upward to form an inclined surface on the bottom of the hook. 
     
     
         13 . The high chair of  claim 9 , further comprising:
 a desk part;   at least three socket parts equiangularly disposed on a periphery of the desk part;   intercalation holes respectively disposed on the socket parts;   linking rods respectively disposed below and extended downward from the seat part to respectively correspond to the socket parts;   fasteners pivotally disposed on bottoms of the linking rods and inserted into the intercalation holes to fix the seat part on the desk part; and   supporting legs disposed below bottoms of the socket parts.   
     
     
         14 . The high chair of  claim 13 , wherein middle parts of the fasteners are pivotally assembled with the linking rods to let two ends of each of the fasteners moves like a seesaw, wherein one end of each of the fasteners toward the seat part is a pressing end, and the other end of each of the fasteners has a hook extended along the body of the fastener first and then tilt upward to form an inclined surface on the bottom of the hook. 
     
     
         15 . The high chair of  claim 1 , further comprising:
 a desk part;   at least three socket parts equiangularly disposed on a periphery of the desk part;   intercalation holes respectively disposed on the socket parts;   linking rods respectively disposed below and extended downward from the seat part to respectively correspond to the socket parts;   fasteners pivotally disposed on bottoms of the linking rods and inserted into the intercalation holes to fix the seat part on the desk part; and   supporting legs disposed below bottoms of the socket parts.   
     
     
         16 . The high chair of  claim 15 , wherein middle parts of the fasteners are pivotally assembled with the linking rods to let two ends of each of the fasteners moves like a seesaw, wherein one end of each of the fasteners toward the seat part is a pressing end, and the other end of each of the fasteners has a hook extended along the body of the fastener first and then tilt upward to form an inclined surface on the bottom of the hook.