Height-adjustable desk with damping device

Abstract

A height-adjustable desk with a damping device includes a supporting frame, a first desk board, a base, a telescopic adjustment member and a damping member. The supporting frame includes a first supporting assembly and a second supporting assembly. A middle part of the first supporting assembly is hinged to a middle part of the second supporting assembly. A first end of the first supporting assembly is hinged to the first desk board, and a second end of the second supporting assembly is slidably connected to the first desk board. A first end of the second supporting assembly is hinged to the base, and a second end of the first supporting assembly is slidably connected to the base. A first end of the telescopic adjustment member is hinged to the first supporting assembly. A first end of the damping member is hinged to the first supporting assembly.

1 . A height-adjustable desk with a damping device, comprising:
 a supporting frame ( 100 ), wherein the supporting frame ( 100 ) comprises a first supporting assembly ( 110 ) and a second supporting assembly ( 120 ); a middle part of the first supporting assembly ( 110 ) is hinged to a middle part of the second supporting assembly ( 120 );   a first desk board ( 200 ), wherein a first end of the first supporting assembly ( 110 ) is hinged to the first desk board ( 200 ), and a second end of the second supporting assembly ( 120 ) is slidably connected to the first desk board ( 200 );   a base ( 300 ), wherein a first end of the second supporting assembly ( 120 ) is hinged to the base ( 300 ), and a second end of the first supporting assembly ( 110 ) is slidably connected to the base ( 300 );   a telescopic adjustment member ( 400 ), wherein a first end of the telescopic adjustment member ( 400 ) is hinged to the first supporting assembly ( 110 ); a second end of the telescopic adjustment member ( 400 ) is hinged to the second supporting assembly ( 120 ); the telescopic adjustment member ( 400 ) extends and retracts between a retraction length and an extension length to drive relative rotation between the first supporting assembly ( 110 ) and the second supporting assembly ( 120 ); and   a damping member ( 500 ), wherein a first end of the damping member ( 500 ) is hinged to the first supporting assembly ( 110 ); a second end of the damping member ( 500 ) is hinged to the second supporting assembly ( 120 ); and the damping member ( 500 ) provides a damping force to hinder the relative rotation between the first supporting assembly ( 110 ) and the second supporting assembly ( 120 ).   
     
     
         2 . The height-adjustable desk with the damping device according to  claim 1 , wherein the telescopic adjustment member ( 400 ) is a pneumatic spring; the pneumatic spring is provided with a cylinder ( 410 ) and a piston rod ( 420 ); the piston rod ( 420 ) is connected to a piston; and air in the cylinder ( 410 ) drives the piston to slide, so as to drive the piston rod ( 420 ) to slide relative to the cylinder ( 410 ). 
     
     
         3 . The height-adjustable desk with the damping device according to  claim 2 , further comprising a switch device ( 600 ), wherein the switch device ( 600 ) is connected to the pneumatic spring and adjusts an air pressure in the cylinder ( 410 ). 
     
     
         4 . The height-adjustable desk with the damping device according to  claim 3 , wherein the switch device ( 600 ) comprises a switch shell ( 610 ), a press plate ( 620 ), and a reset spring ( 630 ); the switch shell ( 610 ) is connected to a lower surface of the first desk board ( 200 ); the press plate ( 620 ) is connected to the switch shell ( 610 ) and rotates between an on position and an off position; and the reset spring ( 630 ) drives the press plate ( 620 ) to be reset to the off position. 
     
     
         5 . The height-adjustable desk with the damping device according to  claim 1 , wherein the first desk board ( 200 ) is provided with a first sliding rail ( 210 ); the base ( 300 ) is provided with a second sliding rail ( 310 ); a first rolling wheel ( 124 ) is arranged at the second end of the second supporting assembly ( 120 ); a second rolling wheel ( 114 ) is arranged at the second end of the first supporting assembly ( 110 ); the first rolling wheel ( 124 ) rolls in the first sliding rail ( 210 ); and the second rolling wheel ( 114 ) rolls in the second sliding rail ( 310 ). 
     
     
         6 . The height-adjustable desk with the damping device according to  claim 1 , wherein the damping member ( 500 ) comprises a damping sleeve ( 510 ) and a damping rod ( 520 ); and the damping rod ( 520 ) is in damped sliding in the damping sleeve ( 510 ). 
     
     
         7 . The height-adjustable desk with the damping device according to  claim 1 , further comprising a second desk board ( 700 ), wherein the second desk board ( 700 ) is connected to the first desk board ( 200 ) through a connector ( 710 ); and the second desk board ( 700 ) is located below the first desk board ( 200 ) and extends outwards relative to one side edge of the first desk board ( 200 ). 
     
     
         8 . The height-adjustable desk with the damping device according to  claim 7 , wherein a first end of the connector ( 710 ) is connected to an edge of a lower surface of the first desk board ( 200 ); a second end of the connector ( 710 ) extends in a direction facing away from the first desk board ( 200 ); and the second desk board ( 700 ) is connected to the second end of the connector ( 710 ). 
     
     
         9 . The height-adjustable desk with the damping device according to  claim 1 , wherein a first connecting block ( 125 ) is convexly arranged on the second supporting assembly ( 120 ), and a first end of the damping member ( 500 ) is hinged to the first connecting block ( 125 ). 
     
     
         10 . The height-adjustable desk with the damping device according to  claim 1 , wherein a second connecting block ( 126 ) is convexly arranged on the second supporting assembly ( 120 ), and a second end of the telescopic adjustment member ( 400 ) is hinged to the second connecting block ( 126 ).