Foldable device and an electronic device

Abstract

A foldable device is provided. The foldable device includes a bendable mechanism and a shielding mechanism. The bendable mechanism includes a middle hinge assembly and a connecting hinge disposed on one side of the middle hinge assembly. The shielding mechanism slides relative to the bendable mechanism and at least partially covers the bendable mechanism when bending or unfolding the bendable mechanism. The shielding mechanism is arranged on an inner side of the bendable mechanism and can be bent or unfolded with the bendable mechanism, such that dust and other impurities are prevented from entering the foldable device. An electronic device is further provided. The electronic device includes the foldable device.

What is claimed is: 
     
         1 . A foldable device, comprising a bendable mechanism and a shielding mechanism, wherein
 the bendable mechanism comprises a middle hinge assembly and a connecting hinge disposed on one side of the middle hinge assembly; and   the shielding mechanism slides relative to the bendable mechanism and at least partially covers the bendable mechanism when bending or unfolding the bendable mechanism.   
     
     
         2 . The foldable device of  claim 1 , wherein
 the shielding mechanism rotates about a rotation axis relative to the middle hinge assembly when bending the bendable mechanism;   the shielding mechanism comprises a covering member covering a rear surface of the bendable mechanism; and   the covering member is hinged to the middle hinge assembly along the rotation axis at one side of the covering member away from the connecting hinge.   
     
     
         3 . The foldable device of  claim 1 , wherein the shielding mechanism comprises a first covering portion covering one side of the bendable mechanism and a second covering portion disposed on at least one end of the first covering portion, the second covering portion covering at least one end of the bendable mechanism. 
     
     
         4 . The foldable device of  claim 3 , wherein
 the bendable mechanism comprises an end plate disposed at the at least one end of the middle hinge assembly, the second covering portion is disposed between the end plate and the connecting hinge; and   the second covering portion partially overlaps the end plate as well as the connecting hinge.   
     
     
         5 . The foldable device of  claim 4 , wherein when bending the foldable device, an overlapping region between the second covering portion and the end plate has a decreased area, an overlapping region between the second covering portion and the connecting hinge has an increased area. 
     
     
         6 . The foldable device according to  claim 4 , wherein:
 when the foldable device is in a bent state, an overlapping region between the second covering portion and the end plate has an area greater than an overlapping region between the second covering portion and the connecting hinge.   
     
     
         7 . The foldable device of  claim 4 , wherein
 when the foldable device is in an unfolded state, an overlapping region between the second covering portion and the end plate has an area less than an overlapping region between the second covering portion and the connecting hinge.   
     
     
         8 . The foldable device of  claim 2 , wherein
 the shielding mechanism further comprises a connecting rod connected between the middle hinge assembly and the covering member; and   the connecting rod has one end rotatably connected to the middle hinge assembly and the other end rotatably connected to the covering member.   
     
     
         9 . The foldable device of  claim 8 , wherein
 the shielding mechanism further comprises a fixing member connected to the middle hinge assembly; and   the one end of the connecting rod is rotatably connected to the fixing member, and the connecting rod is rotatably connected to the middle hinge assembly via the fixing member.   
     
     
         10 . The folding device of  claim 9 , wherein
 the middle hinge assembly defines a fixing groove, the fixing member is accommodated in the fixing groove;   the fixing member defines a through hole; and   the connecting rod is provided with a rotating shaft at the one end of the connecting rod, the rotating shaft is rotatably inserted into the through hole of the fixing member.   
     
     
         11 . The foldable device of  claim 8 , wherein
 the covering member is provided with a connecting sleeve at one side of the covering member away from the connecting hinge; and   the connecting rod is provided with another rotating shaft at the other end of the connecting rod, and the other rotating shaft is rotatably inserted into the connecting sleeve.   
     
     
         12 . The foldable device of  claim 8 , wherein
 the shielding mechanism further comprises a fixing piece; and   one side of the fixing piece away from the connecting rod is fixedly connected with the covering member, and the other side of the fixing piece facing the connecting rod is rotatably connected with the other end of the connecting rod.   
     
     
         13 . The foldable device of  claim 8 , wherein
 the covering member is connected with the connecting hinge via matching between a guide groove and a sliding piece, wherein the guide groove extends along a direction perpendicular to a bending axis of the bendable mechanism; and   when bending or unfolding the bendable mechanism, the sliding piece slides in the guide groove to drive the covering member to rotate with the connecting hinge relative to the middle hinge assembly.   
     
     
         14 . The foldable device of  claim 13 , wherein the guide groove is defined on one of the covering member or the connecting hinge, and the sliding piece is disposed on the other one of the connecting hinge or the connecting hinge. 
     
     
         15 . The foldable device of  claim 1 , further comprising an elastic member that elastically abuts the shielding mechanism, and the elastic member applies an elastic force parallel to a sliding direction of the shielding mechanism relative to the bendable mechanism. 
     
     
         16 . The foldable device of  claim 15 , wherein
 the bendable mechanism comprises a connecting member, wherein the connecting member is connected between the middle hinge assembly and the connecting hinge and slides relative to the bendable mechanism when bending or unfolding the bendable mechanism; and   the elastic member is elastically connected between the connecting member and the shielding mechanism.   
     
     
         17 . The foldable device of  claim 16 , wherein
 the connecting hinge is slidable relative to the middle hinge assembly; and   when bending the foldable device, a sliding distance of the shielding mechanism relative to the connecting member is less than a sliding distance of the shielding mechanism relative to the connecting hinge.   
     
     
         18 . The foldable device of  claim 8 , wherein
 the bendable mechanism comprises a connecting member, wherein the connecting member is connected between the middle hinge assembly and the connecting hinge and is slidable relative to the bendable mechanism when bending or unfolding the bendable mechanism;   the covering member is connected to the connecting member via a strip groove and a guide portion;   the strip groove extends in a direction perpendicular to a bending axis of the bendable mechanism;   when bending or unfolding the bendable mechanism, the guide portion slides in the strip groove to drive the covering member to rotate with the connecting hinge relative to the middle hinge assembly.   
     
     
         19 . The foldable device of  claim 18 , wherein
 the strip groove is defined on the connecting member, the guide portion is a sliding rod provided on the covering member, and one end of the sliding rod away from the covering member is accommodated in the strip groove; or   the strip groove is defined on the covering member, the guide portion is a sliding rod provided on the connecting member, and one end of the sliding rod away from the connecting member is slidably accommodated in the strip groove.   
     
     
         20 . An electronic device, comprising a flexible member, a housing, and a foldable device, wherein
 the foldable device comprises a bendable mechanism and a shielding mechanism, wherein
 the bendable mechanism comprises a middle hinge assembly and a connecting hinge disposed on one side of the middle hinge assembly; and 
 the shielding mechanism slides relative to the bendable mechanism and at least partially covers the bendable mechanism when bending or unfolding the bendable mechanism; 
   the housing comprises a first frame and a second frame, the foldable device is disposed between the first frame and the second frame; and   the flexible member is disposed on the housing and the foldable device, the flexible member is bent or unfolded with the foldable device.