Umbrella

Abstract

An umbrella includes a shaft, a sliding assembly, a canopy support rod, a connector rod, and a canopy. The sliding assembly is sleeved over the shaft in a slidable manner, the sliding assembly includes an upper sliding part, a lower sliding part, and a centre sliding part, the upper sliding part is connected to the lower sliding part, and the centre sliding part is located therebetween. A first end of the connector rod is connected to the centre sliding part in a hinged manner, and a second end of the connector rod is connected, in a hinged manner, to a sliding connection assembly disposed on the canopy support rod; the canopy is disposed on the canopy support rod. When the umbrella is closed, a wet surface of the canopy is folded inwards to the shaft, and the canopy support rod is turned outwards to be folded to the shaft.

What is claimed is: 
     
         1 . An umbrella, comprising a shaft ( 17 ), a sliding assembly ( 100 ), a canopy support rod ( 13 ), a connector rod ( 16 ), and a canopy ( 21 ); wherein
 the sliding assembly ( 100 ) is sleeved over the shaft ( 17 ) in a slidable manner, and the sliding assembly ( 100 ) comprises an upper sliding part ( 4 ), a lower sliding part ( 3 ), and a centre sliding part ( 2 ), the upper sliding part ( 4 ) is connected to the lower sliding part ( 3 ), the centre sliding part ( 2 ) is located between the upper sliding part ( 4 ) and the lower sliding part ( 3 ), a first elastic member is provided between the upper sliding part ( 4 ) and the centre sliding part ( 2 ), and a second elastic member is provided between the lower sliding part ( 3 ) and the centre sliding part ( 2 );   a first end of the canopy support rod ( 13 ) is connected to the upper sliding part ( 4 ) in a hinged manner;   a first end of the connector rod ( 16 ) is connected to the centre sliding part ( 2 ) in a hinged manner, a second end of the connector rod ( 16 ) is connected to the canopy support rod ( 13 ) in a slidable manner, and in a process of closing or opening the umbrella, the second end of the connector rod ( 16 ) slides relative to the canopy support rod ( 13 );   the canopy ( 21 ) is disposed on the canopy support rod ( 13 ); and   when the sliding assembly ( 100 ) slides from an upper end of the shaft ( 17 ) to a lower end of the shaft ( 17 ), the first end of the canopy support rod ( 13 ) moves to the lower end of the shaft ( 17 ) along with the sliding assembly ( 100 ), so that an external surface of the canopy ( 21 ) is folded to the shaft ( 17 ).   
     
     
         2 . The umbrella according to  claim 1 , wherein the sliding assembly ( 100 ) further comprises a connecting sleeve ( 31 ) connecting the upper sliding part ( 4 ) and the lower sliding part ( 3 ), the connecting sleeve ( 31 ) is sleeved over the shaft ( 17 ), an end of the connecting sleeve ( 31 ) is connected to the upper sliding part ( 4 ), the other end of the connecting sleeve ( 31 ) is connected to the lower sliding part ( 3 ), and the centre sliding part ( 2 ) is sleeved over the connecting sleeve ( 31 ) in a slidable manner. 
     
     
         3 . The umbrella according to  claim 2 , wherein the connecting sleeve ( 31 ) is integrated with the upper sliding part ( 4 ) or the lower sliding part ( 3 ). 
     
     
         4 . The umbrella according to  claim 1 , wherein the upper end of the shaft ( 17 ) is disposed with a bidirectional locking buckle ( 1 ) and a first unidirectional locking buckle ( 7 ); and when the umbrella is in an open state, the sliding assembly ( 100 ) is located at the upper end of the shaft ( 17 ), the bidirectional locking buckle ( 1 ) locks the centre sliding part ( 2 ) to prevent the centre sliding part ( 2 ) from moving, and the first unidirectional locking buckle ( 7 ) locks the lower sliding part ( 3 ) to prevent the lower sliding part ( 3 ) from moving downwards. 
     
     
         5 . The umbrella according to  claim 1 , wherein the lower end of the shaft ( 17 ) is disposed with a locking bead ( 9 ) and a second unidirectional locking buckle ( 8 ); and when the umbrella is in a closed state, the sliding assembly ( 100 ) is located at the lower end of the shaft ( 17 ), the locking bead ( 9 ) locks the centre sliding part ( 2 ) to prevent the centre sliding part ( 2 ) from moving, and the second unidirectional locking buckle ( 8 ) locks the lower sliding part ( 3 ) to prevent the lower sliding part ( 3 ) from moving upwards. 
     
     
         6 . The umbrella according to  claim 1 , wherein the second end of the connector rod ( 16 ) is connected to the canopy support rod ( 13 ) in a slidable manner through a sliding connection assembly ( 19 ), the canopy support rod ( 13 ) is a cylindrical tube with a longitudinal opening ( 131 ), the sliding connection assembly ( 19 ) comprises a spherical portion ( 191 ) located inside the cylindrical tube and a connecting piece ( 192 ) connected to the spherical portion ( 191 ) and protruding from the opening ( 131 ), and the connecting piece ( 192 ) is connected to the second end of the connector rod ( 16 ) in a hinged manner. 
     
     
         7 . The umbrella according to  claim 6 , wherein the canopy support rod ( 13 ) is disposed with two groups of position-fixing assemblies, the sliding connection assembly ( 19 ) is located between the two groups of position-fixing assemblies, each of the position-fixing assemblies comprises a position-fixing ring ( 14 ) and a position-fixing part ( 15 ), the position-fixing ring ( 14 ) comprises a ring portion ( 140 ) sleeved over the canopy support rod ( 13 ) and having an opening, and two clamping arms ( 141 ) formed by extending toward the inside of the canopy support rod ( 13 ) from two sides of the opening of the ring portion ( 140 ), and the position-fixing part ( 15 ) is clamped between the two clamping arms ( 141 ) to fix the position-fixing ring ( 14 ) on the canopy support rod ( 13 ). 
     
     
         8 . The umbrella according to  claim 6 , wherein a Ω-shaped stabilizer ( 20 ) is provided inside the canopy support rod ( 13 ), the stabilizer ( 20 ) is located between the sliding connection assembly ( 19 ) and the first end of the canopy support rod ( 13 ) to prevent the canopy support rod ( 13 ) from turning outwards when the umbrella is opened. 
     
     
         9 . The umbrella according to  claim 1 , wherein a sealing ring ( 11 ) is provided between the upper sliding part ( 4 ) and the shaft ( 17 ). 
     
     
         10 . The umbrella according to  claim 1 , wherein an end portion of the upper end of the shaft ( 17 ) is disposed with a water container ( 5 ) with a downward opening, and a ferrule ( 6 ) for fixing the water container ( 5 ) on the end portion of the shaft ( 17 ).