Electric desk stand

Abstract

A lightweight electric desk stand includes a beam structure ( 10 ), a telescopic column ( 20 ) and a flank ( 30 ). The beam structure ( 10 ) includes a lower frame ( 11 ) and an upper frame ( 12 ). The lower frame ( 11 ) includes a bottom plate ( 111 ) and two risers ( 118 ) facing one another. The upper frame ( 12 ) includes a top plate ( 121 ) and two side plates ( 125 ) facing one another. The upper frame ( 12 ) is mounted on the lower frame ( 11 ). The side plate ( 125 ) and the riser ( 118 ) are connected to one another. The bottom plate ( 111 ) and the top plate ( 121 ) are spaced and facing one another. The telescopic column ( 20 ) is connected to two ends of the beam structure ( 10 ) and includes a motor ( 21 ). The flank ( 30 ) is disposed on an edge of the telescopic column ( 20 ) and covers an end of the beam structure ( 10 ).

What is claimed is: 
     
         1 . An electric desk stand, comprising:
 a beam structure ( 10 ), comprising a lower frame ( 11 ) and two upper frames ( 12 ), and the lower frame ( 11 ) comprising a bottom plate ( 111 ) and two risers ( 118 ) upwardly bent and extended from the bottom plate ( 111 ) and configured to face one another, and each of the upper frames ( 12 ) comprising a top plate ( 121 ) and two side plates ( 125 ) downwardly bent and extended from the top plate ( 121 ) and configured to face one another, and each of the upper frames ( 12 ) mounted on the lower frame ( 11 ), and each of the side plates ( 125 ) lapped to each of the risers ( 118 ), and the bottom plate ( 111 ) and each of the top plates ( 121 ) configured to face one another and spaced from one another;   a pair of telescopic columns ( 20 ), coupled to two ends of the beam structure ( 10 ) respectively, and each of the telescopic columns ( 20 ) comprising a motor ( 21 ); and   a pair of flanks ( 30 ), disposed on an edge of each of the telescopic column ( 20 ) respectively and covering two ends of the beam structure ( 10 ).   
     
     
         2 . The electric desk stand according to  claim 1 , further comprising: a controller ( 40 ), and a mounting opening ( 112 ) disposed on a middle area of the bottom plate ( 111 ) of the lower frame ( 11 ), and the controller ( 40 ) being installed or removed through the mounting opening ( 112 ). 
     
     
         3 . The electric desk stand according to  claim 2 , wherein the controller ( 40 ) comprises an insert slot ( 42 ) disposed on one side thereof and a pull buckle ( 43 ) disposed on another side thereof, and an insert plate ( 115 ) is extended from an edge of the mounting opening ( 112 ), and the insert slot ( 42 ) of the controller ( 40 ) is inserted by the insert plate ( 115 ), and the pull buckle ( 43 ) is operably buckled to the bottom plate ( 111 ) on a periphery of the mounting opening ( 112 ). 
     
     
         4 . The electric desk stand according to  claim 2 , wherein the bottom plate ( 111 ) comprises a side cover ( 113 ) respectively disposed on two ends of the mounting opening ( 112 ) and upwardly extended therefrom, and the controller ( 40 ) is embedded and positioned in each of the side covers ( 113 ). 
     
     
         5 . The electric desk stand according to  claim 4 , wherein the controller ( 40 ) comprises a plurality of ports ( 41 ) disposed on two sides thereof respectively, and each of the side covers ( 113 ) comprises an opening ( 114 ), and each of the openings ( 114 ) is arranged corresponding to each of the ports ( 41 ). 
     
     
         6 . The electric desk stand according to  claim 5 , wherein the bottom plate ( 111 ) comprises a hand access hole ( 116 ) disposed outside each of the side covers ( 113 ), and each of the motors ( 21 ) further comprises an electric wire ( 212 ) and a connector ( 213 ) coupled to the electric wire ( 212 ), and each of the connectors ( 213 ) and each of the ports ( 41 ) are pluggably and unpluggably through each of the hand access hole ( 116 ). 
     
     
         7 . The electric desk stand according to  claim 1 , wherein a socket opening ( 13 ) is enclosed by the lower frame ( 11 ) and two ends of each upper frame ( 12 ), and each of the motors ( 21 ) passes through the socket opening ( 13 ). 
     
     
         8 . The electric desk stand according to  claim 7 , wherein each of the telescopic columns ( 20 ) further comprises a plurality of tube bodies ( 22 ) adapted to sheathe on one another, and one of the tube bodies ( 22 ) is coupled to the motor ( 21 ), and a positioning groove ( 117 ) is disposed on two sides of the bottom plate ( 111 ) respectively, and each of the tube bodies ( 22 ) is embedded in each of the positioning grooves ( 117 ). 
     
     
         9 . The electric desk stand according to  claim 8 , wherein the motor ( 21 ) further comprises an electric wire ( 212 ) and a connector ( 213 ) coupled to the electric wire ( 212 ), and the motor ( 21 ) is coupled to the beam structure ( 10 ), and the electric wire ( 212 ) and the connector ( 213 ) are concealed and stored between the lower frame ( 11 ) and each of the upper frames ( 12 ). 
     
     
         10 . The electric desk stand according to  claim 1 , further comprising: a manual controller ( 60 ) with an electric wire ( 61 ), and a through hole ( 126 ) disposed on the side plate ( 125 ) of the upper frame ( 12 ), and the electric wire ( 61 ) passing from the through hole ( 126 ) to a position between the lower frame ( 11 ) and the upper frame ( 12 ). 
     
     
         11 . The electric desk stand according to  claim 1 , wherein the top plate ( 121 ) of the upper frame ( 12 ) comprises a pair of lugs ( 122 ) extended outwardly, and each of the lugs ( 122 ) is coupled to a shock-absorbing gasket ( 14 ). 
     
     
         12 . The electric desk stand according to  claim 1 , wherein each of the side plates ( 125 ) of the upper frame ( 12 ) comprises a guide slot ( 127 ), and each of the flanks ( 30 ) comprises an edge plate ( 31 ) and a horizontal plate ( 32 ) bent and extended from the edge plate ( 31 ), a pair of connecting plates ( 33 ) are coupled to an inner side of the edge plate ( 31 ), a groove channel ( 331 ) is disposed on each of the connecting plates ( 33 ) respectively, and the connecting plates ( 33 ) clamp two sides of the motor ( 21 ) and are screwed and secured with the motor ( 21 ) by a cap bolt ( 34 ) passing through each of the groove channels ( 331 ) and each of the guide slots ( 127 ). 
     
     
         13 . The electric desk stand according to  claim 12 , wherein the horizontal plate ( 32 ) comprises a notch ( 321 ) disposed corresponding to each of the connecting plates ( 33 ) and disposed on an outer periphery of the motor ( 21 ), and a shock-absorbing gasket ( 35 ) is installed on two sides of the horizontal plate ( 32 ) respectively. 
     
     
         14 . The electric desk stand according to  claim 1 , wherein a cross-section of the lower frame ( 11 ) and a cross-section of each of the upper frame ( 12 ) are substantially in a U-shape.