Integrated structure of inner barrel and pulsator, washing machine and washing method

Abstract

An inner barrel and pulsator integrated structure has a vertically used inner barrel and a plurality of water repellent blades being integrated with a bottom of the inner barrel. The plurality of water repellent blades is a projection structure disposed at the inner barrel bottom. The number of the water repellent bladess is at least two. Each water repellent blade extends from the center of the inner barrel bottom to an inner barrel wall. Each water repellent blade rises and extends along a radial outward direction of the inner barrel bottom, after extending to the highest point, is connected with the inner barrel wall, and after rising and extending to the highest point along a circumferential direction from one side in a shape of a gentle slope, drops back to the inner barrel bottom in a shape of an abrupt slope.

What is claimed is: 
     
         1 . An inner barrel and pulsator integrated structure, comprising:
 an inner barrel ( 1 ) being vertically used; and   a plurality of water repellent blades ( 2 ) being integrated with a bottom ( 11 ) of the inner barrel ( 1 ), wherein the plurality of water repellent blades ( 2 ) is a projection structure disposed at the inner barrel bottom ( 11 ), the number of the water repellent blades ( 2 ) is at least two, each water repellent blade ( 2 ) extends from the center of the inner barrel bottom ( 11 ) to an inner barrel wall ( 12 ), and each water repellent blade ( 2 ) rises and extends along a radial outward direction of the inner barrel bottom ( 11 ), after extending to the highest point, is connected with the inner barrel wall ( 12 ), and after rising and extending to the highest point along a circumferential direction from one side in a shape of a gentle slope, drops back to the inner barrel bottom ( 11 ) in a shape of an abrupt slope.   
     
     
         2 . The inner barrel and pulsator integrated structure according to  claim 1 , wherein the number of the water repellent blades ( 2 ) is 2-4, and the water repellent blades ( 2 ) are evenly distributed around an axis of the inner barrel radially along the circumference of the inner barrel bottom ( 11 ) clockwise or counterclockwise, and rise and extend along the circumference of the inner barrel bottom ( 11 ) clockwise or counterclockwise in the same direction. 
     
     
         3 . The inner barrel and pulsator integrated structure according to  claim 2 , wherein a gentle slope rising side ( 21 ) of each water repellent blade ( 2 ) smoothly rises, an abrupt slope falling side ( 22 ) of each water repellent blade ( 2 ) smoothly falls, the inner barrel bottom ( 11 ) transits smoothly with the gentle slope rising side ( 21 ) and the abrupt slope falling side ( 22 ), each water repellent blade ( 2 ) smoothly rises outwardly along a radial direction of the inner barrel bottom ( 11 ), and the inner barrel wall ( 12 ) transits smoothly with each water repellent blade ( 2 ). 
     
     
         4 . The inner barrel and pulsator integrated structure according to  claim 3 , wherein highest points of the water repellent blades ( 2 ) form a ridge ( 23 ) of the water repellent blade ( 2 ) in different radial positions of the inner barrel bottom ( 11 ), the ridge ( 23 ) is formed of two arcs, circle centers of the two arcs are distributed on different sides of the ridge ( 23 ), the center circle of the arc near the center of the inner barrel ( 1 ) is on the gentle slope rising side ( 21 ), and the circle center of the arc near the inner barrel wall ( 12 ) is on the abrupt slope falling side ( 22 ). 
     
     
         5 . The inner barrel and pulsator integrated structure according to  claim 4 , wherein each water repellent blade ( 2 ) tilts on two sides of any point on the ridge ( 23 ) in different degrees, and a tilt degree of the gentle slope rising side ( 21 ) is less than that of the abrupt slope falling side ( 22 ). 
     
     
         6 . The inner barrel and pulsator integrated structure according to  claim 5 , wherein an intersecting line between each water repellent blade ( 2 ) and the inner barrel bottom ( 11 ) is an arc, bending directions of an intersecting line between the gentle slope rising side ( 21 ) and the inner barrel bottom ( 11 ) and an intersecting line between the abrupt slope falling side ( 22 ) and the inner barrel bottom ( 11 ) are the same, and each intersecting line smoothly transits with the outermost circumference of the inner barrel bottom ( 11 ). 
     
     
         7 . The inner barrel and pulsator integrated structure according to  claim 1 , wherein a ratio range of the height of the inner barrel ( 1 ) to the diameter of the inner barrel ( 1 ) is 0.4-2, preferably the height of the inner barrel ( 1 ) is less than or equal to the diameter of the inner barrel ( 1 ). 
     
     
         8 . The inner barrel and pulsator integrated structure according to  claim 7 , wherein a ratio of the height of the inner barrel ( 1 ) to the diameter of the inner barrel ( 1 ) is 0.6. 
     
     
         9 . The inner barrel and pulsator integrated structure according to  claim 8 , wherein the central position of the inner barrel bottom ( 11 ) is provided with an axle hole ( 4 ) that allows a power shaft to penetrate, and multiple water leakage holes are distributed on the inner barrel wall ( 12 ) and/or the inner barrel bottom ( 11 ) of the inner barrel. 
     
     
         10 . A washing machine comprising the inner barrel and pulsator integrated structure according to  claim 1 , wherein inside an outer barrel ( 6 ) of the washing machine is coaxially provided with the inner barrel and pulsator integrated structure, and a power shaft ( 7 ) of the washing machine extends into the axle hole ( 4 ) in the central position of the inner barrel bottom ( 11 ) in the inner barrel and pulsator integrated structure. 
     
     
         11 . A washing method, the method turning clothing in an inner barrel by controlling a washing machine to rotate forward and reversely at intervals, to complete washing, characterized in that, in the method, the washing machine rotates forward and reversely at different angles each time, the forward rotation angle each time is not equal to the reverse rotation angle each time, by means of an inner barrel and pulsator integrated structure, in the event of forward rotation in a circumferential direction, the clothing is pulled up and then falls subvertically, in the event of reverse rotation, the clothing is impacted by a subvertical plane in the circumferential direction, and in forward and reverse rotation processes, under the guide of centrifugal force produced by radial rotation and an inner barrel bottom structure, the clothing is turned outwardly and upwardly, and is turned inwardly and downwardly after arriving at an inner barrel wall. 
     
     
         12 . The washing method according to  claim 11 , wherein falling and beating of the clothing after pull-up when rotating forward in the circumferential direction or striking when rotating reversely and turning in the radial direction are carried out at the same time, to make the clothing always in a continuous rolling state in the inner barrel and collide with and rub the inner barrel bottom and the inner barrel wall, to be evenly washed. 
     
     
         13 . The washing method according to  claim 12 , wherein motions of the clothing in the circumferential direction and in the radial direction are guided by a projection structure of the inner barrel bottom. 
     
     
         14 . The washing method according to  claim 13 , wherein the number of the projection structure is at least two, preferably 2-4, the projection structures are evenly distributed around an axis of the inner barrel radially along the circumference of the inner barrel bottom clockwise or counterclockwise, and rise and extend along the circumference of the inner barrel bottom clockwise or counterclockwise in the same direction, and the projection structures rise and extend along a radial outward direction of the inner barrel bottom, after extending to the highest point, are connected with the inner barrel wall, and after rising and extending to the highest point along the circumferential direction from one side in a shape of a gentle slope, drop back to the inner barrel bottom in a shape of an abrupt slope. 
     
     
         15 . The washing method according to  claim 14 , wherein in the washing process, in the circumferential direction, during forward rotation, the clothing, after rising to the highest point along a smooth rising and extending plane of the projection structure, falls and beats along a subvertical abrupt slope plane, and during reverse rotation, the clothing hits the subvertical abrupt slope plane. 
     
     
         16 . The washing method according to  claim 14 , wherein in the washing process, in a barrel diameter direction, centrifugal force produced by rotation makes the clothing turned outwardly and upwardly along the projection structure, and turned inwardly and downwardly after going to the inner barrel wall. 
     
     
         17 . The washing method according to  claim 11 , wherein in the washing method, in a washing or rinsing process, the inner barrel increases to a forward rotation speed X at a certain acceleration, rotates forward for a certain time T 1 , pauses for a period of time, then increases to a reverse rotation speed Y at a certain acceleration, and rotates reversely for a certain time T 2 , a forward rotation angle each time is not equal to a reverse rotation angle, and the process is repeated 5-500 times for each washing or rinsing. 
     
     
         18 . The washing method according to  claim 15 , wherein the forward rotation speed X and the reverse rotation speed Y are 20-100 rpm respectively, the forward rotation time T 1  and the reverse rotation time T 2  are 1-5 s respectively, and XxT 1 ≠YxT 2 . 
     
     
         19 . The washing method according to  claim 18 , wherein the washing method comprises the following steps:
 1) placing a detergent along with the clothing into a washing inner barrel, and starting the washing machine;   2) controlling the washing inner barrel to increase to the forward rotation speed X at a certain acceleration, rotate forward for a certain time T 1 , pause for a period of time, then increase to a reverse rotation speed Y at a certain acceleration, and rotate reversely for a certain time T 2 , a forward rotation angle each time being not equal to a reverse rotation angle, and the process being repeated 5-500 times;   3) proceeding to a dewatering stage: controlling the washing inner barrel to rotate forward and reversely, and after even distribution of the clothing, the inner barrel rotating at a high speed for dewatering;   4) if the clothing needs to be washed multiple times, adding the detergent again to repeat steps 2) and 3); and   5) controlling water injection of the washing machine, and repeating steps 2) and 3) 1-8 times.