Noise reduction structure of pulling faucet without weight, anti-flushing out structure, and pulling faucet without weight

Abstract

A noise reduction structure of a pulling faucet without a weight, which includes a support tube, a pulling tube, an elastic restore member, and an inner liner, the elastic restore member is sleeved outside of the pulling tube, one end of the elastic restore member is a fixed end, a second end of the elastic restore member is connected to the pulling tube to form a linkage end, the inner liner is disposed between the support tube and the elastic restore member, and the inner liner includes one or more shrinkage cracks, so that a portion of the inner liner on both sides of the one or more shrinkage cracks is brought together in a direction along which the one or more shrinkage cracks close when the inner liner passes through and is disposed in the support tube.

What is claimed is: 
     
         1 . A noise reduction structure of a pulling faucet without a weight, comprising:
 a support tube,   a pulling tube,   an elastic restore member, and   an inner liner, wherein:
 the support tube is connected to a faucet body through an intermediate connector, 
 the elastic restore member is sleeved outside of the pulling tube, 
 one end of the elastic restore member is a fixed end, 
 a second end of the elastic restore member is connected to the pulling tube to form a linkage end, 
 the inner liner is disposed between an inner wall of the support tube and an outer wall of the elastic restore member, and 
 the inner liner comprises one or more shrinkage cracks along the inner wall of the support tube in a direction of a bending radius of the support tube from an outer side to an inner side of the support tube, so that a portion of the inner liner on both sides of the one or more shrinkage cracks is brought together in a direction along which the one or more shrinkage cracks close when the inner liner passes through and is disposed in the support tube. 
   
     
     
         2 . A noise reduction structure of a pulling faucet without a weight, comprising:
 a support tube,   a pulling tube,   an elastic restore member, and   an inner liner, wherein:
 the support tube is connected to a faucet body through an intermediate connector, 
 the elastic restore member is sleeved outside of the pulling tube, 
 one end of the elastic restore member is a fixed end, 
 a second end of the elastic restore member is connected to the pulling tube to form a linkage end, 
 the inner liner is disposed between an inner wall of the support tube and an outer wall of the elastic restore member, 
 the inner liner comprises one or more shrinkage cracks along the inner wall of the support tube in a direction of a bending radius of the support tube from an outer side to an inner side of the support tube, so that the inner liner has a bending radius on the inner side that is greater than a bending radius on the outer side in a direction of a bending radius of the support tube when the inner liner passes through and is disposed in the support tube. 
   
     
     
         3 . The noise reduction structure of the pulling faucet without the weight, according to  claim 1 , wherein:
 the one or more shrinkage cracks have a structure with a width that gradually increases in the direction of the bending radius of the support tube from the outer side to the inner side of the support tube.   
     
     
         4 . The noise reduction structure of the pulling faucet without the weight according to  claim 1 , wherein:
 the inner liner comprises a trunk and ribs connected to both sides of the trunk,   the ribs form a tubular structure with the trunk, and   the one or more shrinkage cracks are disposed between the ribs along a lengthwise direction of the trunk.   
     
     
         5 . The noise reduction structure of the pulling faucet without the weight according to  claim 1 , wherein:
 the elastic restore member is a spring, and   a width of the one or more shrinkage cracks is smaller than a diameter of coils of the spring after being brought together.   
     
     
         6 . The noise reduction structure of the pulling faucet without the weight according to according to  claim 4 , wherein:
 when the inner liner is in a relaxed state, an appearance of the inner liner has a straight-tube fish-skeleton shape, and opposite ends of the ribs on the both sides of the inner liner are spaced apart to form a gap.   
     
     
         7 . The noise reduction structure of the pulling faucet without the weight according to according to  claim 4 , wherein the trunk conforms to the inner wall of the support tube when the inner liner passes through and is disposed in the support tube. 
     
     
         8 . A pulling faucet without a weight, comprising:
 the noise reduction structure according to  claim 1 , and   a water outflow assembly, wherein:
 one end of the pulling tube is fixedly connected to the water outflow assembly, 
 a second end of the pulling tube protrudes outward in a radial direction of the pulling tube to form a first position-limited surface, 
 an inner wall of one end of the support tube facing the water outflow assembly protrudes inward in a radial direction of the support tube to form a second position-limited surface, 
 the elastic restore member is connected to and is disposed between the first position-limited surface and the second position-limited surface, and 
 the first position-limited surface squeezes the elastic restore member to accumulate elastic restore force when the water outflow assembly drives the pulling tube to extend out in a direction away from the support tube. 
   
     
     
         9 . The pulling faucet without the weight according to  claim 8 , wherein:
 the intermediate connector is fixedly connected to the faucet body, and   the support tube is rotatably connected to the intermediate connector.   
     
     
         10 . The pulling faucet without the weight according to  claim 8 , further comprising:
 an inner tube, wherein:
 the inner tube passes through and is disposed in the pulling tube, 
 an inner tube connector is connected to a tail end of the inner tube, 
 a position-limited space for clamping the inner tube connector is formed between the intermediate connector and the faucet body, and 
 the position-limited space applies the inner tube a position-limited force along a lengthwise direction of the inner tube. 
   
     
     
         11 . The pulling faucet without the weight according to  claim 8 , wherein:
 a first position-limited member is disposed on a tail end of the pulling tube, and   the first position-limited member protrudes outward along the radial direction of the pulling tube to form the first position-limited surface.   
     
     
         12 . The pulling faucet without the weight according to  claim 8 , wherein:
 a second position-limited member is disposed in the one end of the support tube facing the water outflow assembly, and   the second position-limited member protrudes inward along the radial direction of the support tube to form the second position-limited surface.   
     
     
         13 . The pulling faucet without the weight according to  claim 12 , wherein the second position-limited member comprises an avoidance opening configured for the pulling tube to move. 
     
     
         14 . The pulling faucet without the weight according to  claim 10 , wherein:
 the inner tube has a hardness rating of 80-95A, and   the pulling tube has a hardness rating of 70-85A.   
     
     
         15 . An anti-flushing out structure of a pulling faucet without a weight, comprising:
 a faucet body,   an inner tube,   a support tube,   an elastic restore member,   a pulling tube, and   a water outflow assembly, wherein:
 the support tube is connected to the faucet body through an intermediate connector, 
 the elastic restore member is sleeved outside of the pulling tube, 
 one end of the elastic restore member is a fixed end, 
 a second end of the elastic restore member is connected to the pulling tube to form a linkage end, 
 one end of the inner tube is a water inflow end, 
 a water outflow buffer connector is disposed on a second end of the inner tube, 
 the water outflow buffer connector is used to change water flow flowing along an axial direction of the inner tube into water outflow along a lateral direction of the inner tube. 
   
     
     
         16 . The anti-flushing out structure of the pulling faucet without the weight according to  claim 15 , wherein:
 one end of the water outflow buffer connector along the axial direction of the inner tube is a closed end, and   one or more water outlets are disposed on a side wall of the water outflow buffer connector along a radial direction of the inner tube.   
     
     
         17 . The anti-flushing out structure of the pulling faucet without the weight according to  claim 16 , wherein the one or more water outlets are a plurality of water outlets disposed along a circumferential direction of the water outflow buffer connector at intervals. 
     
     
         18 . The anti-flushing out structure of the pulling faucet without the weight according to  claim 15 , wherein an outer wall of the water outflow buffer connector is a curved surface. 
     
     
         19 . A pulling faucet without a weight, comprising:
 the anti-flushing out structure according to  claim 15 , wherein:
 one end of the pulling tube is fixedly connected to the water outflow assembly, 
 a second end of the pulling tube protrudes outward in a radial direction of the pulling tube to form a first position-limited surface, 
 an inner wall of one end of the support tube facing the water outflow assembly protrudes inward in a radial direction of the support tube to form a second position-limited surface, 
 the elastic restore member is connected to and is disposed between the first position-limited surface and the second position-limited surface, and 
 the first position-limited surface squeezes the elastic restore member to accumulate elastic restore force when the water outflow assembly drives the pulling tube to extend out in a direction away from the support tube. 
   
     
     
         20 . The pulling faucet without the weight according to  claim 15 , wherein:
 the intermediate connector is fixedly connected to the faucet body, and   the support tube is rotatably connected to the intermediate connector.   
     
     
         21 . The pulling faucet without the weight according to  claim 19 , wherein:
 the inner tube passes through and is disposed in the pulling tube,   an inner tube connector is connected to a tail end of the inner tube,   a position-limited space for clamping the inner tube connector is formed between the intermediate connector and the faucet body, and   the position-limited space applies the inner tube a position-limited force along a lengthwise direction of the inner tube.   
     
     
         22 . The pulling faucet without the weight according to  claim 19 , wherein:
 a first position-limited member is disposed on a tail end of the pulling tube, and   the first position-limited member protrudes outward along the radial direction of the pulling tube to form the first position-limited surface.   
     
     
         23 . The pulling faucet without the weight according to  claim 19 , wherein:
 a second position-limited member is disposed in the one end of the support tube facing the water outflow assembly, and   the second position-limited member protrudes inward along the radial direction of the support tube to form the second position-limited surface.   
     
     
         24 . The pulling faucet without the weight according to  claim 23 , wherein the second position-limited member comprises an avoidance opening configured for the pulling tube to move.