Synchronous lifting mechanism and table

Abstract

A synchronous lifting mechanism has a first lifting driver, a second lifting driver, a first inner fixed tube and a second inner fixed tube, and the synchronous lifting mechanism has a synchronizing mechanism which enables the first lifting driver and the second lifting driver to lift synchronously.

We claim: 
     
         1 . A synchronous lifting mechanism, comprising a first lifting driver, a second lifting driver, a first inner fixed tube and a second inner fixed tube, characterized in that the synchronous lifting mechanism further comprises a synchronizing mechanism which enables the first lifting driver and the second lifting driver to lift synchronously, and the synchronizing mechanism comprises:
 a first support connected with a lifting end of the first lifting driver, wherein the first support lifts along with lifting of the first lifting driver;   a second support connected with a lifting end of the second lifting driver, wherein the second support lifts along with lifting of the second lifting driver;   a first flexible traction component, wherein one end of the first flexible traction component is fixedly connected with the second inner fixed tube, and after the first flexible traction component is flexibly matched with one end of the second support, one end of the first support and the other end of the first support, the other end of the first flexible traction component is fixedly connected with the first inner fixed tube; and   a second flexible traction component, wherein one end of the second flexible traction component is fixedly connected with the first inner fixed tube, and after the second flexible traction component is flexibly matched with one end of the first support, one end of the second support and the other end of the second support, the other end of the second flexible traction component is fixedly connected with the second inner fixed tube.   
     
     
         2 . The synchronous lifting mechanism according to  claim 1 , characterized in that the first inner fixed tube comprises a first inner tube and a first connector, the first connector is positioned in the first inner tube and is fixed to the first inner tube, the other end of the first flexible traction component is fixedly connected with the first connector, and one end of the second flexible traction component is fixedly connected with the first connector; and
 the second inner fixed tube comprises a second inner tube and a second connector, the second connector is positioned in the second inner tube and is fixed to the second inner tube, one end of the first flexible traction component is fixedly connected with the second connector, and the other end of the second flexible traction component is fixedly connected with the second connector.   
     
     
         3 . The synchronous lifting mechanism according to  claim 1 , characterized in that one portion of the first support is positioned in the first inner fixed tube, and one portion of the second support is positioned in the second inner fixed tube. 
     
     
         4 . The synchronous lifting mechanism according to  claim 1 , characterized in that the first support comprises:
 a first support body;   a first rotating component rotatably mounted at one end of the first support body;   a second rotating component rotatably mounted at one end of the first support body; and   a third rotating component rotatably mounted at the other end of the first support body;   the second support comprises: a second support body;   a fourth rotating component rotatably mounted at one end of the second support body;   a fifth rotating component rotatably mounted at one end of the second support body; and   a sixth rotating component rotatably mounted at the other end of the second support body;   wherein the first flexible traction component is flexibly matched with the fifth rotating component, the first rotating component and the third rotating component; and   the second flexible traction component is matched with the second rotating component, the fourth rotating component and the sixth rotating component.   
     
     
         5 . The synchronous lifting mechanism according to  claim 4 , characterized in that the first rotating component, the second rotating component, the third rotating component, the fourth rotating component, the fifth rotating component and the sixth rotating component are one of bearings or rollers or chain wheels. 
     
     
         6 . The synchronous lifting mechanism according to  claim 5 , characterized in that when the first rotating component, the second rotating component, the third rotating component, the fourth rotating component, the fifth rotating component and the sixth rotating component are bearings or rollers, a groove is formed in the outer peripheral surface of each bearing or roller. 
     
     
         7 . The synchronous lifting mechanism according to  claim 1 , characterized in that the first flexible traction component and the second flexible traction component are one of rope-shaped components or band-shaped components or steel wires or chains separately. 
     
     
         8 . The synchronous lifting mechanism according to  claim 1 , characterized in that arc-shaped grooves are separately formed in two ends of the first support and two ends of the second support, and the first flexible traction component and the second flexible traction component are separately matched with the grooves of the first support and the second support. 
     
     
         9 . The synchronous lifting mechanism according to  claim 1 , characterized by further comprises:
 a cross beam, wherein one end of the cross beam is fixed to the lifting end of the first lifting driver, and the other end of the cross beam is fixed to the lifting end of the second lifting driver;   a first movable outer tube of which one end is fixed to one end of the cross beam, wherein the first movable outer tube is sleeved over the first inner fixed tube; and   a second movable outer tube of which one end is fixed to the other end of the cross beam, wherein the second movable outer tube is sleeved over the second inner fixed tube.   
     
     
         10 . A table, comprising a tabletop, characterized by further comprises the synchronous lifting mechanism according to  claim 1 , wherein the tabletop is fixed to the synchronizing mechanism in the synchronous lifting mechanism.