Thermal sock

Abstract

A thermal sock, which is made of Modal elastic core-spun yarn and high-elastic spandex covered yarn, including a foot part and a boot part knitted integrally, both the foot part and the boot part have two layers, a heater is arranged in the foot part, the heater is located in the interlayer of the two layers of material and coiled, and the power cord of the heater extends out of one side of the boot part along the interlayer. the heater is arranged in the foot part, the heater is electrified to generate heat to achieve the warmth retention effect, and the sock is a two-layer structure, the heater is put in the interlayer to prevent the heater from directly contacting the skin, and it is convenient for arranging the power cord.

What is claimed is: 
     
         1 . A thermal sock, which is made of Modal elastic core-spun yarn and high-elastic spandex covered yarn, including:
 a foot part ( 1 ) and a boot part ( 2 ) knitted integrally,   wherein both the foot part ( 1 ) and boot part ( 2 ) have two layers,   the foot part ( 1 ) is provided with a heater ( 3 ); the heater ( 3 ) is arranged in an interlayer of the two layers of material and coiled, and   a power cord ( 31 ) of the heater ( 3 ) extends out of one side of the boot part ( 2 ) along the interlayer.   
     
     
         2 . The thermal sock defined in  claim 1 , wherein an upper end of the boot part ( 2 ) is provided with an opening ( 21 ) for the power cord ( 31 ) to extend out, the opening ( 21 ) extends into the interlayer to form a storage bag ( 20 ) for storing the power cord ( 31 ). 
     
     
         3 . The thermal sock defined in  claim 2 , wherein the boot part ( 2 ) is provided with a flap ( 22 ) to flip over the opening ( 21 ), the root of the flap ( 22 ) is arranged on one side of the opening ( 21 ), the opposite side of the opening ( 21 ) is provided with a button ( 23 ) for fastening the flap ( 22 ). 
     
     
         4 . The thermal sock defined in  claim 3 , wherein the root of the flap ( 22 ) is connected to the opening edge of the boot part ( 2 ), the button ( 23 ) is fixed to the storage bag ( 20 ). 
     
     
         5 . The thermal sock defined in  claim 1 , wherein the heater ( 3 ) is arranged in the toe of the foot part ( 1 ). 
     
     
         6 . The thermal sock defined in  claim 5 , wherein the foot part ( 1 ) is provided with a first stretching part ( 4 ) which is elastically extensible. 
     
     
         7 . The thermal sock defined in  claim 6 , wherein the boot part ( 2 ) is provided with a second stretching part ( 5 ) and a third stretching part ( 7 ) which are elastically extensible. 
     
     
         8 . The thermal sock defined in  claim 7 , wherein the first stretching part ( 4 ) is located in the middle of sole, the second stretching part ( 5 ) is located in the joint of the boot part ( 2 ) and the foot part ( 1 ), the third stretching part ( 7 ) is located in the welt of the boot part ( 2 ). 
     
     
         9 . The thermal sock defined in  claim 8 , wherein the foot part ( 1 ) and the boot part ( 2 ) are made of purified cotton and formed integrally. 
     
     
         10 . The thermal sock defined in  claim 9 , wherein the first stretching part ( 4 ) includes at least two stretching bands in parallel, there are at least two turns of the heater ( 3 ), and the heater ( 3 ) is arranged in wavy line.