Telescopic desk frame and desk

Abstract

A telescopic desk frame is disclosed that includes two desk leg assemblies and at least one beam assembly configured to be connected with and between the two desk leg assemblies; where the beam assembly includes a first beam and a second beam which are relatively telescopable, the first beam includes a first flange, the second beam includes a second flange which abuts against the first flange. The beam assembly disclosed can not only realize the telescopic function of the telescopic desk frame, but also improve the connection stability of the telescopic desk frame and enhance the supporting strength of the telescopic desk frame.

What is claimed is: 
     
         1 . A telescopic desk frame, comprising:
 two desk leg assemblies;   at least one beam assembly, configured to be connected with and between the two desk leg assemblies;   wherein each beam assembly comprises a first beam and a second beam which are relatively telescopable, the first beam comprises a first flange, the second beam comprises a second flange which abuts against the first flange.   
     
     
         2 . The telescopic desk frame according to  claim 1 , wherein the first flange comprises a first upper flange and a first lower flange, the second flange comprises a second upper flange and a second lower flange, the first upper flange and the second upper flange abut against each other and protrude in a first direction, and the first lower flange and the second lower flange abut against each other and protrude in a second direction. 
     
     
         3 . The telescopic desk frame according to  claim 2 , wherein the first direction and the second direction are in a same direction or opposite directions. 
     
     
         4 . The telescopic desk frame according to  claim 1 , wherein a first mounting portion is disposed on the first beam, a second mounting portion is disposed on the second beam, and the first mounting portion is configured to be connected to the second mounting portion. 
     
     
         5 . The telescopic desk frame according to  claim 4 , wherein at least two second mounting portions are disposed on the second beam, and the first mounting portion is configured to be connected to any one of the at least two second mounting portions. 
     
     
         6 . The telescopic desk frame according to  claim 4 , wherein the first mounting portion comprises two first holes, and the second mounting portion comprises two second holes, and a spacing between the two first holes is equal to a spacing between the two second holes. 
     
     
         7 . The telescopic desk frame according to  claim 4 , wherein the first mounting portion is connected to the second mounting portion by an installation fastener configured to be inserted into the first hole and the second hole corresponding to the first hole. 
     
     
         8 . The telescopic desk frame according to  claim 2 , further comprising a protruding portion disposed at least on a top surface of the first upper flange;
 wherein, the top surface of the first upper flange is lower than a top surface of the second upper flange.   
     
     
         9 . The telescopic desk frame according to  claim 1 , further comprising two supporting portions, wherein the two supporting portions are arranged respectively to the two desk leg assemblies. 
     
     
         10 . The telescopic desk frame according to  claim 9 , wherein each supporting portion comprises a first supporting plate, the first supporting plate is arranged horizontally and protrudes in an extension direction of the beam assembly, and a connection hole configured to be connected with a desk board is disposed on the first supporting plate. 
     
     
         11 . A desk, comprising two desk feet, a desk board and a telescopic desk frame configured to be mounted on the two desk foot to support the desk board;
 wherein, the telescopic desk frame comprises:   two desk leg assemblies;   at least one beam assembly, configured to be connected with and between the two desk leg assemblies;   wherein the beam assembly comprises a first beam and a second beam which are relatively telescopable, the first beam comprises a first flange, the second beam comprises a second flange which abuts against the first flange.   
     
     
         12 . The desk according to  claim 11 , wherein the first flange comprises a first upper flange and a first lower flange, the second flange comprises a second upper flange and a second lower flange, the first upper flange and the second upper flange abut against each other and protrude in a first direction, and the first lower flange and the second lower flange abut against each other and protrude in a second direction. 
     
     
         13 . The desk according to  claim 12 , wherein the first direction and the second direction are in a same direction or opposite directions. 
     
     
         14 . The desk according to  claim 11 , wherein a first mounting portion is disposed on the first beam, a second mounting portion is disposed on the second beam, and the first mounting portion is configured to be connected to the second mounting portion. 
     
     
         15 . The desk according to  claim 14 , wherein at least two second mounting portions are disposed on the second beam, and the first mounting portion is configured to be connected to any one of the at least two second mounting portions. 
     
     
         16 . The desk according to  claim 14 , wherein the first mounting portion comprises two first holes, and the second mounting portion comprises two second holes, and a spacing between the two first holes is equal to a spacing between the two second holes. 
     
     
         17 . The desk according to  claim 14 , wherein the first mounting portion is connected to the second mounting portion by an installation fastener configured to be inserted into the first hole and the second hole corresponding to the first hole. 
     
     
         18 . The desk according to  claim 12 , further comprising a protruding portion disposed at least on a top surface of the first upper flange;
 wherein, the top surface of the first upper flange is lower than a top surface of the second upper flange.   
     
     
         19 . The desk according to  claim 11 , further comprising two supporting portions, wherein the two supporting portions are arranged respectively to the two desk leg assemblies. 
     
     
         20 . The desk according to  claim 19 , wherein the supporting portion comprises a first supporting plate which is arranged horizontally and protrudes in an extension direction of the beam assembly, and a connection hole configured to be connected with the desk board is disposed on the first supporting plate.