CN112813638A

CN112813638A - Washing machine

Info

Publication number: CN112813638A
Application number: CN202110201257.3A
Authority: CN
Inventors: 张艳双; 张久军; 马春艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-05-18

Abstract

The invention discloses a washing machine, which sequentially comprises the following components from outside to inside: a door, a housing, an outer barrel and an inner barrel; an inner cylinder door is arranged on the opening of the inner cylinder, so that the high-speed rotation stability of the inner cylinder can be improved; the centrifugal drainage device is arranged on the inner cylinder, and the outer cylinder has no water when washing clothes, so that the rotating resistance of the inner cylinder is reduced, and the water consumption of the clothes can also be reduced; meanwhile, the breeding of bacteria in the washing machine is avoided, and the washing machine cannot pollute clothes when the washing machine washes clothes; the invention can not only clean clothes efficiently, but also save a large amount of washing water and electric energy, and can be widely applied to different fields. Due to the mature technology and low cost, the method is very suitable for wide popularization and application.

Description

Washing machine

Technical Field

The invention relates to a washing machine, and relates to the technical field of electric appliance manufacturing.

Background

The existing washing machines mainly comprise two types, namely a pulsator washing machine and a roller washing machine, water exists between an inner barrel and an outer barrel when the washing machines work, and the defects of water waste, low water utilization rate and great waste of water resources are overcome. The washing machine is easy to breed bacteria inside to pollute clothes, the washing machine is unstable when the inner drum of the washing machine rotates at a high speed, and meanwhile, the efficiency of drying the clothes is very low, so that the defects of double waste of time and energy are caused. How to invent a washing machine which can save water, control the breeding of bacteria to pollute clothes and has high efficiency of drying the clothes becomes a problem to be solved urgently.

Disclosure of Invention

The invention provides a washing machine aiming at the problems, and aims to solve the defects that the existing impeller washing machine and the existing roller washing machine are water-consuming, bacteria are easy to breed in the washing machine to pollute clothes, the clothes drying efficiency is low, the washing machine is unstable when the inner barrel of the washing machine rotates at a high speed, and the double waste of time and energy is caused.

The technical means adopted by the invention are as follows: a drum washing machine comprises, in order from outside to inside: the drum washing machine comprises a door, a shell, an outer drum and an inner drum, wherein the drum washing machine comprises a control device and a transmission mechanism; the door includes outer door and interior tube door, outer door pivotable arrangement on the shell with outer door corresponding be provided with clothing on the shell and get and put the mouth, with the clothing is got and is put the mouth and corresponding be the outer tube mouth of urceolus, the interior tube mouth of inner tube, outer door pivotable opens or closes clothing on the shell is got and is put the mouth, interior tube door can open or close the inner tube mouth of inner tube, works as the inner tube door is closed when on the interior tube mouth of inner tube, the inner tube rotates and can drive the inner tube door rotates.

Preferably, the outer door is provided with a door shaft, the door shaft is sleeved with a bearing, the outer door and the inner cylinder door are connected through the door shaft and the bearing, the inner cylinder door can rotate around the door shaft on the door shaft, and the inner cylinder door and the door shaft are coaxial; when the outer door can be pivoted to close the clothes taking and placing opening on the shell, the outer door can drive the inner drum door to close the inner drum opening of the inner drum; when the inner cylinder door is closed on an inner cylinder opening of the inner cylinder, a door shaft connecting the outer door and the inner cylinder door is on the same axis with the inner cylinder; when the outer door can be pivoted and closed on the clothes taking and placing opening to drive the inner drum door to be closed on the inner drum opening of the inner drum, the inner drum can be driven to rotate by the rotation of the inner drum; when the outer door can pivot to open the clothes taking and placing opening, the outer door can drive the inner cylinder door to open the inner cylinder opening.

Preferably, the outer door is pivotably provided on the housing, and the outer door is pivotably opened or closed to the laundry access opening; the inner barrel door can be pivoted at an inner barrel opening of the inner barrel, and the inner barrel door can be pivoted to open or close the inner barrel opening; when the inner barrel door can be pivoted and closed on the inner barrel opening of the inner barrel, the inner barrel can be driven to rotate by the rotation of the inner barrel;

the inner cylinder door is provided with a sliding pipe, a pin rod capable of sliding in the sliding pipe is arranged in the sliding pipe, the sliding pipe and the pin rod are symmetrically arranged, the inner cylinder door is provided with a spring, two ends of the spring are connected with the symmetrically arranged pin rod, and a pin opening is formed in the inner cylinder opening and corresponds to the pin rod; the pin openings are symmetrically arranged, when the inner cylinder door can be pivoted and closed on the inner cylinder opening, the pin rod is driven to rotate at a high speed when the inner cylinder door rotates at a high speed, and the pin rod can be inserted into the pin openings under the driving of centrifugal force generated by the high-speed rotation of the pin rod; when the inner cylinder door rotates at a low speed or does not rotate, the elastic force of the spring can pull the pin rod to be separated from the pin opening.

As preferred planking, inner panel, be provided with planking through-hole and inner panel through-hole on the planking with the center of inner panel, be provided with the bearing in the planking through-hole, be provided with the water seal in the inner panel through-hole, the one end of door-hinge is connected the outer door other end passes in proper order the hole of bearing, the hole of water seal, the planking with be provided with the spring between the inner panel.

Preferably, the water seal is connected with a hydraulic device or a lug; the hydraulic device is arranged on the inner barrel door, and the convex block is arranged on the outer side of the water seal inner hole; when the water seal is connected with the hydraulic device, a hollow cavity is arranged in the water seal and is connected with the hydraulic device through a pipeline, hydraulic media are arranged in the hollow cavity and the pipeline, the centrifugal force generated when the inner cylinder door rotates at a high speed can drive the hydraulic device to reduce the pressure of the hydraulic media, and an inner hole of the water seal can be enlarged when the pressure in the hydraulic media is reduced; when the inner cylinder door rotates at a low speed or does not rotate, the hydraulic device can increase the pressure of the hydraulic medium, and when the pressure in the hydraulic medium is increased, the inner hole of the water seal can be reduced; when the water seal is connected with the lug, the water seal is driven to rotate when the inner barrel door rotates at a high speed, the water seal rotates at a high speed to drive the lug to rotate, and when the lug pulls the inner hole of the water seal under the action of centrifugal force of high-speed rotation, the inner hole of the water seal can be enlarged.

Preferably, an inner cylinder ring is arranged on the outer side of the side wall of the inner cylinder; the side wall of the inner cylinder is provided with a plurality of dewatering holes; the inner cylinder ring and the dewatering holes are provided with drainage devices; the drainage device comprises a pull rod, a spring and a water plug; the centrifugal force when the inner cylinder rotates at a high speed can drive the water plug of the drainage device to be separated from the dewatering hole, and when the inner cylinder rotates at a low speed or does not rotate, the elastic force of the spring can drive the water plug of the drainage device to be closed on the dewatering hole; the outer cylinder is provided with an electric device; the electric device is provided with a drag hook and a spring, the electric device can drive the drag hook to pull the pull rod to drive the water plug of the drainage device to be separated from the dehydration hole, and when the electric device does not pull the pull rod, the elasticity of the spring of the drainage device can drive the water plug of the drainage device to be closed on the dehydration hole; the water outlet is arranged at the lower part of the side wall of the outer barrel; the outer barrel is provided with an air vent and an observation port.

The preferable shape of the inner cylinder includes: a polygonal cylindrical inner cylinder and a circular cylindrical inner cylinder;

when the inner cylinder is provided with a drying function, the inner cylinder is provided with a heating device, and the heating device is arranged on the inner cylinder; an electric heating control device is arranged on the pull rod, the electric heating control device is a bimetallic strip, the bimetallic strip can control the water plug of the drainage device to be separated from the dewatering hole when being heated by electricity, when the bimetallic strip is not heated by electricity, the elasticity of a spring of the drainage device can control the water plug to be closed on the dewatering hole, and a power supply device is arranged at the position of the inner barrel opening;

a spring is arranged on the door; the inner cylinder shaft and the door shaft can be solid shafts or hollow shafts; when the inner cylinder shaft and the door shaft are hollow shafts, a water supply pipe can be connected; when the inner cylinder shaft and the door shaft are hollow shafts, an exhaust pipe can be connected; and power supply devices are arranged on the door shaft and the door.

The invention also claims a pulsator washing machine, which sequentially comprises the following components from outside to inside: door cover, shell, outer barrel, inner barrel, wave wheel; the drum washing machine comprises a control device and a transmission mechanism;

the door cover comprises an outer door cover and an inner door cover, the outer door cover is pivotally arranged on the shell, a clothes taking and placing opening is formed in the shell and corresponds to the outer door cover, the clothes taking and placing opening is sequentially provided with an outer barrel opening of the outer barrel and an inner barrel opening of the inner barrel, a door cover shaft is arranged on the outer door cover, a bearing is sleeved on the door cover shaft, the inner door cover and the outer door cover are connected through the door cover shaft and the bearing, the inner door cover and the door cover shaft are coaxial, and the inner door cover can rotate around the door cover shaft on the door cover shaft; the inner barrel door cover is provided with a water leakage hole; when the outer door cover can be pivoted to close the clothes taking and placing opening on the shell, the outer door cover can drive the inner barrel door cover to close the inner barrel opening of the inner barrel; when the inner barrel door cover is closed on the inner barrel opening of the inner barrel, the door cover shaft connecting the outer door cover and the inner barrel door cover is in the same axis with the inner barrel; when the inner barrel door cover is closed on the inner barrel opening of the inner barrel, the inner barrel rotates to drive the inner barrel door cover to rotate; when the outer door cover can pivot to open the clothes taking and placing opening, the outer door cover can drive the inner barrel door cover to open the inner barrel opening.

An inner barrel ring is arranged on the outer side of the side wall of the inner barrel as the preferable mode; the side wall of the inner barrel is provided with a plurality of dewatering holes; centrifugal drainage devices are arranged on the inner barrel ring and the dewatering holes; the centrifugal drainage device comprises a shaft rod, a spring and a water plug; the centrifugal force when the inner barrel rotates at high speed can drive the water plug of the centrifugal drainage device to be separated from the dewatering hole, and the elastic force of the spring can drive the water plug of the centrifugal drainage device to be closed on the dewatering hole when the inner barrel rotates at low speed or does not rotate; the drain hole is arranged at the bottom of the outer barrel.

The inner barrel is provided with a heating device.

The invention has the beneficial effects that: through having increased the inner tube door on traditional washing machine inner tube, on the inner tube be provided with centrifugal force control on inner tube circle and the dehydration hole and open the drainage device that spring control closed, be provided with heating device on the inner tube, be provided with the electric actuator control on the inner tube and open the hole that spring control closed can intake or can intake drainage, wash the clothing in the inner tube is only poured into to effectual water with the inner tube into, there is not water between urceolus and the inner tube when washing the clothing, the water resource has been saved, can the efficient clean clothing, breed the bacterium in the control washing machine again, the efficiency of drying the clothing has been improved again, can save a large amount of washing water and electric energy again, the washing machine is more stable when the setting up that increases the inner tube door can make the washing machine inner tube rotate at a high speed, can. Due to the mature technology and low cost, the method is very suitable for wide popularization and application.

Drawings

FIG. 1 is a schematic view of the whole structure of the drum washing machine of the present invention;

FIG. 2 is a schematic view of the structure of the drum washing machine with the inner drum door arranged on the outer door;

FIG. 3 is a schematic view of the inner drum structure of the drum washing machine of the present invention;

FIG. 4 is a schematic view of the inner structure of the drum-type washing machine with the inner tub door disposed on the outer door;

FIG. 5 is a schematic view of the inner tub door of the drum washing machine of the present invention installed on the outer door, and the inner tub is installed with a bimetal;

FIG. 6 is a schematic view of the rear structure of the drum washing machine according to the present invention;

FIG. 7 is an enlarged view of the portion B of the drum washing machine of the present invention;

FIG. 8 is a schematic structural diagram of the drum washing machine according to the present invention, in which the inner drum door is disposed on the outer door, and the hydraulic device is connected to the water seal;

FIG. 9 is an enlarged view of the portion A of FIG. 8 of the drum washing machine according to the present invention;

FIG. 10 is a schematic view of the structure of the drum-type washing machine of the present invention, in which the inner tub door is disposed on the outer door and the water seal is connected with the protrusion;

FIG. 11 is a schematic structural view of the drum-type washing machine according to the present invention, in which the inner drum door is disposed on the outer door, the inner drum door is disposed with a groove, and the water seal is connected with a bump;

FIG. 12 is a schematic cross-sectional view of a water seal portion of the drum washing machine according to the present invention, wherein a hydraulic device is connected to the water seal;

FIG. 13 is a schematic structural view of the drum-type washing machine according to the present invention with the inner tub door disposed at the inner tub opening;

FIG. 14 is a schematic view of the internal structure of the drum door of the drum washing machine of the present invention disposed at the inner drum opening;

FIG. 15 is a schematic view of a polygonal tubular inner tub of the drum washing machine of the present invention;

FIG. 16 is a schematic view of the overall structure of the pulsator washing machine provided with an outer door cover and an inner barrel door cover;

FIG. 17 is a schematic view of the overall cross-sectional structure of the outer door cover of the pulsator washing machine provided with an inner barrel door cover;

FIG. 18 is a sectional view showing the entire structure of the outer door cover of the pulsator washing machine without an inner barrel door cover;

FIG. 19 is a schematic structural view of an inner tub of the pulsator washing machine according to the present invention;

FIG. 20 is a schematic structural view of a conical barrel-shaped inner barrel of the pulsator washing machine according to the present invention;

fig. 21 is a schematic structural view of a polygonal cylindrical inner tub of the pulsator washing machine according to the present invention.

Wherein: 1. door, 2, first outer door, 3, first inner tube door, 4, outer panel, 5, inner panel, 6, first spring, 7, cradle, 8, door shaft, 9, inner panel through hole, 10, water supply pipe, 11, outer tube, 12, first inner tube mouth, 13, first dehydration hole, 14, first water plug, 15, lifter, 16, shell, 17, inner tube, 18, bearing, 19, pull rod, 20, inner tube ring, 21, through hole, 22, second spring, 23, first driving rod, 24, pull rod handle, 25, first inner tube shaft, 26, water inlet hole, 27, end, 28, motor, 29, outer tube mouth, 30, first clothing access port, 31, pull rod mouth, 32, outer tube side wall, 33, outer tube end wall, 34, drain pipe, 35, end wall through hole, 36, spring cradle, 37, electric device, 38, third spring, 39, inner tube side wall, 41, draw hook, 42. a heating device 43, a first spring end, 44, a second spring end, 45, a water seal, 46, a annunciator, 47, a stop lever, 48, a hydraulic cylinder, 49, a pipeline, 50, a hollow cavity, 51, a fourth spring, 52, a piston, 53, a hydraulic medium, 54, a piston column, 55, a hydraulic cylinder cover, 56, a second inner cylinder door, 57, a second water supply pipe, 58, a pin rod, 59, a fifth spring, 60, a sliding pipe, 61, a pin opening, 62, a polygonal cylindrical inner cylinder, 63, a bump, 64, a stopper, 65, a conical cylindrical inner cylinder, 66, a shaft rod, 67, a second water plug, 68, a second driving rod, 69, a sixth spring, 70, an inner cylinder ring, 71, an inner cylinder ring through hole, 72, an inner cylinder shaft, 73, a second dewatering hole, 74, a stop pin, 75, a polygonal cylindrical inner cylinder, 76, an outer door cover, 77, a door cover, 78, an inner cylinder door cover, 79, a housing, a door cover 80, a door cover, 81. outer cover, 82, inner cover, 83, door shaft hollow hole, 84, water leakage hole, 85, support, 86, outer barrel, 87, inner barrel opening, 88, driving motor, 89, inner barrel, 90, seventh spring, 91, inner cover through hole, 92, impeller, 93, second door cover, 94, groove, 95, second outer door, 96, second inner barrel shaft, 97, bimetallic strip, 98, circuit, 99, power supply unit, 100, third spring end, 101, fourth spring end, 102, second inner barrel opening, 103, water drainage hole, 104 drainage pipeline, 105, second clothing taking and placing opening, 106, outer barrel opening, 107, water injection pipe, 108, water injection pipe opening, 109, inner barrel side wall.

Detailed Description

As shown in fig. 1 to 4, 6 to 12, and 15, an embodiment 1 of the drum washing machine of the present invention includes a door 1, a housing 16, an outer tub 11, and an inner tub 17 in this order from outside to inside; the drum washing machine comprises a control device and a transmission mechanism, wherein the door 1 comprises a first outer door 2 and a first inner drum door 3, the first outer door 2 is pivotably arranged on a shell 16, a first clothes taking and placing opening 30 is arranged on the shell 16 corresponding to the first outer door 2, and the first outer door 2 can pivotably open or close the first clothes taking and placing opening 30; the first clothes taking and placing port 30 is sequentially provided with a first clothes taking and placing port 30, an outer cylinder port 29 and a first inner cylinder port 12 from outside to inside, the door 1 comprises a first outer door 2 and a first inner cylinder door 3, the first inner cylinder door 3 comprises a bearing 18, an outer plate 4, a first spring 6, an inner plate 5 and a protective frame 7, the first outer door 2 can be arranged on a shell 16 in a pivoting manner, one end of a door shaft 8 is fixedly connected to the first outer door 2, the door shaft 8 is a hollow shaft, an end 27 of the door shaft 8 fixedly connected to one end of the first outer door 2 is solid, a water supply pipe 10, a bearing 18, the outer plate 4, the first spring 6, a water seal 45 and an inner plate 5 are sequentially arranged from one end to the other end of the door shaft 8 connected to the first outer door 2, the water supply pipe 10 is communicated with the door shaft 8, the bearing 18 is sleeved on the door shaft 8, the outer plate 4 is sleeved on the bearing 18, the inner plate 5 is provided with an inner plate through hole, the other end of door-hinge 8 passes the hole of water seal 45 to door-hinge 8 can be at the hole internal rotation of water seal 45, the other end of axle 8 is hollow has inlet opening 26, and first spring 6 sets up between planking 4 and inner panel 5 and at door-hinge 8, bearing 18 and water seal 45's periphery, and the both ends of first spring 6 are connected respectively on planking 4 and inner panel 5, are provided with on the outside of planking 4 and inner panel 5 and protect frame 7, and the one end fixed connection of protecting frame 7 is on planking 4 other end non-fixed connection on inner panel 5, is provided with dog 64 in the both sides of protecting frame 7 on inner panel 5.

The outer cylinder 11 is arranged in the shell 16, one end of the outer cylinder 11 is an outer cylinder opening 29, one end to the other end of the outer cylinder opening 29 is sequentially an outer cylinder opening 29, an outer cylinder side wall 32 and an outer cylinder end wall 33, a drain pipe 34 is arranged on the outer cylinder side wall 32, an end wall through hole 35 is arranged in the center of the outer cylinder end wall 33, a bearing is arranged in the end wall through hole 35, a pull rod opening 31 is arranged on the periphery of the end wall through hole 35, the pull rod opening 31 is also a vent and an observation opening, a spring frame 36 is arranged below the pull rod opening 31 at the lower part of the end wall through hole 35 at the outer side of the outer cylinder end wall 33, an electric device 37 is arranged between the pull rod opening 31 at the lower part and the end wall through hole 35, the electric device 37 is an electromagnet driving device or a hydraulic electric device, a drag hook 39 and a third spring 38 are sequentially arranged between the electric device 37 and the spring, the other end of the third spring 38 is connected to the spring holder 36, and the other end of the pull hook 39 extends into the outer cylinder 11 through the pull rod opening 31, and the pull rod handle 24 on the pull rod 19 corresponds to the pull hook 39.

The inner cylinder 17 is arranged in the outer cylinder 11, one end of the inner cylinder 17 is a first inner cylinder opening 12, and a first inner cylinder opening 12, an inner cylinder side wall 40, an inner cylinder end wall 41 and a first inner cylinder shaft 25 are sequentially arranged from one end of the first inner cylinder opening 12 to the other end; the first inner cylinder shaft 25 passes through an inner hole of a bearing arranged in an end wall through hole 35 arranged at the center of the end wall 33 of the outer cylinder and is connected with a motor 28 arranged outside the end wall 33 of the outer cylinder; a lifter 15 is arranged in the inner cylinder 17, the pull rod 19 comprises a first driving rod 23 and a pull rod handle 24, a plurality of first dewatering holes 13 are formed in the side wall 40 of the inner cylinder, inner cylinder rings 20 are respectively sleeved at two ends of the outer side of the side wall 40 of the inner cylinder, through holes 21 and stop rods 47 are arranged on the inner cylinder rings 20, two ends of the pull rod 19 respectively penetrate through the through holes 21, the pull rod 19 can rotate in the through holes 21, the first driving rod 23 is arranged on the pull rod 19, one end of the first driving rod 23 is connected with the pull rod 19, the other end of the first driving rod 23 is connected with a first water plug 14, and the first water plug 14 corresponds to the first dewatering; one end of the baffle rod 47 is arranged on the periphery of the inner cylinder ring, the other end of the baffle rod 47 is arranged on the outer side of the first driving rod 23, the first driving rod 23 is arranged between the inner cylinder side wall 40 and the baffle rod 47, the baffle rod 47 can control the rotating angle of the driving rod 23 and the pull rod 19 so as to control the separation distance between the first water plug 14 connected with the other end of the first driving rod 23 and the first dewatering hole 13 to be not more than 3 cm, and the inner cylinder is provided with a signal device 46.

The pull rod 19 is sleeved with a second spring 22, a first spring end 43 of the second spring 22 is pressed on the first driving rod 23, and a second spring end 44 of the second spring 22 is pressed on the inner cylinder side wall 40; the pull rod 19 is provided with a pull rod handle 24 at one end close to the end wall 41 of the inner cylinder, and when the inner cylinder 17 rotates to drive the pull rod handle 24 on the pull rod 19 to rotate to the pull rod opening 31 below the end wall 33 of the outer cylinder, the pull rod handle 24 corresponds to the pull hook 39 extending into the outer cylinder 11. The tie bar 24 may be provided on only one tie bar 19.

The working method of the drum washing machine in the embodiment 1 of the invention; people and clothes are put in the inner barrel 17, the first outer door 2 can be pivoted and closed on the first clothes putting opening 30, the first outer door 2 drives the first inner barrel door 3 to be closed on the first inner barrel opening 12, when the first inner barrel door 3 is closed on the first inner barrel opening 12, the inner plate 5 tightly closes the first inner barrel opening 12 under the elastic force action of the first spring 6, and the water injected into the inner barrel 17 by the water supply pipe 10 can not flow out through the first inner barrel opening 12; when the inner cylinder 17 rotates to drive the inner plate 5 to rotate, the inner plate 5 drives the stop block 64 to rotate, the stop block 64 drives the protective frame 7 to rotate, the protective frame 7 drives the outer plate 4 to rotate, namely the first inner cylinder door 3 to rotate, and when the inner cylinder 17 rotates at a low speed or does not rotate, the elastic force of the first spring end 43 of the second spring 22, which is pressed on the first driving rod 23, can drive the driving rod 23 to drive the connected first water plug 14 to close the first dehydration hole 13; water supplied by the water supply pipe 10 is injected into the inner drum 17 through the water inlet hole 26 on the door shaft 8 through the communicated door shaft 8, the motor 28 drives the inner drum 17 to rotate to clean the clothes, and the clothes cleaning is finished; the position of a pull rod handle 24 on a pull rod 19 on an inner cylinder 17 is controlled to stop below by controlling a signal of a signaler 46 of a limit control device, so that the pull rod handle 24 on the pull rod 19 corresponds to a draw hook 39, an electric device 37 drives the draw hook 39 to draw the pull rod handle 24 to draw the pull rod 19 to rotate, the tension of the draw hook 39 is larger than the elastic force of a first spring end of a third spring 38 and a second spring 22 which are pressed on a driving rod 23, the pull rod 19 rotates in a through hole 21 to drive the other end of the first driving rod 23 to be connected with a first water plug 14 and separated from a first dewatering hole 13, water for cleaning clothes is discharged out of the inner cylinder 17 through the first dewatering hole 13, the water for cleaning the clothes is discharged through a drain pipe 34 arranged on the side wall 32 of the outer cylinder, the electric device 37 stops working, the draw hook 39 is pulled by the third spring 38 to be separated from the pull rod handle 24, and the first spring end 43 of the second spring 22 is pressed on the driving rod 23 When the drum washing machine dehydrates and dries clothes, the motor 28 drives the inner drum 17 to rotate at a high speed, the inner drum 17 drives the driving rod 23 on the pull rod 19 to rotate at a high speed, at the moment, the centrifugal force of the high-speed rotation of the first driving rod 23 is larger than the elastic force of the first spring end 43 of the second spring 22 pressed on the driving rod 23, the first driving rod 23 drives the pull rod 19 to rotate in the through hole 21 and simultaneously drives the other end of the first driving rod 23 to be connected with the first water plug 14 and separated from the first dehydration hole 13, water for washing, dehydrating and drying the clothes is discharged out of the inner drum 17 through the dehydration hole 13 and is discharged through the drain pipe 34 arranged on the side wall 32 of the outer drum, the motor 28 stops working after the work of dehydrating and drying the clothes of the drum washing machine is finished, the first outer door 2 can pivot to open the first clothes taking and discharging hole 30, the first outer door 2 drives the first inner drum door 3 to open, the elastic force of the first spring end 43 of the second spring 22 pressed on the first driving rod 23 can drive the first driving rod 23 to drive the pull rod 19 to rotate in the through hole 21 and drive the first water plug 14 connected with the other end of the first driving rod 23 to close the first dewatering hole 13; a rubber ring can be arranged between the first inner drum door 3 and the first inner drum opening 12. When the drum-type washing machine is used for washing clothes, water does not exist in the outer barrel 11, the outer barrel 11 is used for draining the water for washing the clothes and draining the water for dehydrating and spin-drying the clothes out of the washing machine when the clothes are drained and dehydrated, and when the clothes are washed, the water does not exist between the outer barrel 11 and the inner barrel 17, so that water resources are saved, the clothes can be efficiently cleaned, bacteria breeding in the washing machine can be controlled, the clothes drying efficiency is improved, a large amount of washing water and electric energy can be saved, and the drum-type washing machine is more stable when the inner barrel 17 rotates at a high speed due to the arrangement of the first inner. A cabinet corresponding to the first inner tub door 3 may be provided on the first inner tub door 3.

The embodiment 2 of the drum washing machine of the present invention is different from the embodiment 1 of the drum washing machine of the present invention in that, as shown in fig. 13 and 14, a second inner drum door 56 is pivotally provided at a second inner drum opening 102 to open or close the second inner drum opening 102, a second outer door 95 is pivotally provided on the housing 16 to open or close the first laundry access opening 30, the second inner drum shaft 96 is a hollow shaft, a water injection pipe 57 is communicated with the second inner drum shaft 96, the second inner drum door 56 is provided with a sliding pipe 60, a pin rod 58 capable of sliding in the sliding pipe is provided in the sliding pipe 60, the pin rods 58 are symmetrically provided, a fifth spring 59 is provided on the second inner drum door 56, both ends of the fifth spring 59 are connected with the symmetrically provided pin rods 58, and a pin opening 61 is provided on the inner drum opening 102 corresponding to the pin rod 58;

the working method of the drum washing machine in embodiment 2 of the invention; when people put clothes on the inner drum 17, the second inner drum door 56 can be pivoted and closed on the second inner drum opening 102, the second outer door 95 is pivoted and closed on the first clothes taking and putting opening 30, the water injection pipe 57 injects water into the inner drum 17 through the communicated second inner drum shaft 96 when the drum washing machine works to wash clothes, the clothes washing is finished, and the water for washing the clothes is discharged, the drum washing machine motor 28 drives the inner drum 17 to rotate at high speed to spin the clothes, the inner drum 17 drives the second inner drum door 56 to rotate at high speed, the second inner drum door 56 drives the pin rod 58 to rotate at high speed, at the moment, the centrifugal force generated by the high-speed rotation of the pin rod 58 is larger than the elastic force of the fifth spring 59, and the centrifugal force generated by the high-speed rotation of the pin rod 58 drives the pin rod 58 to be inserted into the pin opening 61; the second inner drum door 56 can not be opened when the drum washing machine is protected from dehydration and spin-drying, so that the drum washing machine can be protected from safe operation. When the inner drum 17 of the drum washing machine rotates at a low speed or does not rotate, the elastic force of the fifth spring 59 is greater than the centrifugal force on the pin rod 58, and the elastic force of the fifth spring 59 can pull the pin rod 58 to separate from the pin opening 61.

The embodiment 3 of the drum washing machine of the present invention is different from the embodiment 1 of the drum washing machine of the present invention in that, as shown in fig. 5, the drum washing machine is provided with a function of drying laundry, a heating device 42 is provided on an inner tub 17, a bimetal 97 is provided on a driving lever 23, a power supply device 99 is provided on a first inner tub door 3, the bimetal 97 is composed of two or more metals having different thermal expansion coefficients, the heating device 42 and the bimetal 97 are connected with the power supply device 99 through a line 98, the power supply device 99 is provided on an outer panel 4, and the power supply device 99 is connected with a power supply.

The working method of the drum washing machine in embodiment 3 of the invention; when the drum washing machine finishes the work of dehydrating and drying clothes, the control device controls the power supply device 99 connected with the power supply to supply power to the heating device 42 and the bimetallic strip 97 through the line 98 when the drum washing machine dries the clothes, the electrified heating device 42 heats the inner drum 17, the inner drum 17 heats the clothes, the clothes are heated to generate steam in the inner drum 17, the bimetallic strip 97 is electrified and heated, the bimetallic strip 97 consisting of two metal strips with different thermal expansion coefficients expands, bends and deforms when heated, the force of the thermal expansion and bending deformation of the bimetallic strip 97 is greater than the elastic force of the first spring end 43 of the second spring 22 pressed on the driving rod 23, the force of the thermal expansion and bending deformation of the bimetallic strip 97 drives the driving rod 23 to drive the pull rod 19 to rotate in the through hole 21 and simultaneously drive the other end of the driving rod 23 to be connected with the first water plug 14 to be separated from the first dehydrating hole 13, at this time, the first dewatering holes 13 separated from the first water plugs 14 can discharge the clothes, the clothes are heated to generate steam in the inner drum 17, the clothes drying operation of the drum washing machine is finished, the control device controls the power supply to stop supplying power, the bimetallic strip 97 which is not electrified and heated recovers the original shape, and at this time, the elastic force of the first spring ends 43 of the second springs 22 pressed on the driving rods 23 can drive the first driving rods 23 to drive the pull rods 19 to rotate in the through holes 21 and drive the first water plugs 14 connected with the other ends of the first driving rods 23 to close the first dewatering holes 13.

In embodiment 1 of the water seal of the drum washing machine of the present invention, as shown in fig. 2, a water seal 45 is fitted in the inner plate through hole 9 of the inner plate 5, which is a water seal of a conventional washing machine.

Embodiment 2 of the water seal of the drum washing machine of the present invention, as shown in fig. 8, 9, 12, the water seal 45 is connected with the hydraulic device, the hydraulic device is disposed on the inner plate 5 and is disposed at the periphery of the water seal 45, the hydraulic device includes a hydraulic cylinder 48, a pipeline 49, a hollow cavity 50, a fourth spring 51, a piston 52, a hydraulic medium 53, a piston column 54, and a hydraulic cylinder cover 55, the annular hollow cavity 50 is disposed inside the inner hole of the water seal 45 in which the water seal 45 is fitted on the door shaft 8, the hollow cavity 50 is communicated with the hydraulic cylinder 48 through the pipeline 49, the hydraulic medium 53, the piston 52, the piston column 54, the fourth spring 51, and the hydraulic cylinder cover 55 are sequentially disposed from one end to the other end of the connecting pipeline 49 inside the hydraulic cylinder 48, the hydraulic medium 53 is disposed between the piston 52 and the pipeline 49 inside the hydraulic cylinder 48, the piston column 54 is disposed, a fourth spring 51 is sleeved on the piston column 54, one end of the fourth spring 51 is a piston 52, the other end of the fourth spring is a hydraulic cylinder cover 55, and the hydraulic cylinder cover 55 is packaged on the hydraulic cylinder 48; the length of the piston post 54 is less than the length of the fourth spring 51; when the drum washing machine dehydrates and dries clothes, the motor 28 drives the inner drum 17 to rotate at high speed to drive the inner plate 5 on the first inner drum door 3 to rotate at high speed, the inner plate 5 drives the hydraulic device and the water seal 45 to rotate at high speed, at this time, the centrifugal force of the hydraulic medium 53 rotating at a high speed is larger than the elastic force of the fourth spring 51, the hydraulic medium 53 pushes the piston 52, the piston 52 pushes the fourth spring 51, the hydraulic medium 53 in the hollow space 50 of the water seal 45 can now be sucked out via the connected line 49, i.e. the pressure of the hydraulic medium 53 in the hollow space 50 is reduced, because the pressure of the hydraulic medium 53 in the hollow cavity 50 is reduced under the action of atmospheric pressure, the inner hole of the water seal 45 is contracted towards the inside of the hollow cavity 50, at this time, the inner hole of the water seal 45 is enlarged, and a gap is generated between the inner hole of the water seal 45 and the door shaft 8, so that the abrasion between the water seal 45 and the door shaft 8 is reduced when the first inner cylinder door 3 rotates at a high speed. When the first inner cylinder door 3 rotates at a low speed or does not move, the elastic force of the fourth spring 51 can push the piston 52, the piston 52 pushes the hydraulic medium 53, the pressure of the hydraulic medium 53 is increased, the hollow cavity 50 expands the water seal inner hole under the action of the pressure increase of the hydraulic medium 53, and the inner hole of the water seal 45 is tightly clamped on the door shaft 8. The water seal 45 is made of rubber, and the hydraulic cylinder 48 may or may not be made of a transparent material.

In embodiment 3 of the water seal of the drum washing machine of the present invention, as shown in fig. 10, 11 and drawings, a plurality of protrusions 63 are connected to the outer periphery of the inner hole of the water seal 45, when the drum washing machine dehydrates and dries clothes, the motor 28 drives the inner drum 17 to rotate at a high speed, so as to drive the inner plate 5 on the first inner drum door 3 to rotate at a high speed, the inner plate 5 drives the water seal 45 to rotate at a high speed, the water seal 45 drives the protrusions 63 to rotate at a high speed, at this time, the protrusions 63 pull the inner hole of the water seal 45 toward the outer periphery of the inner hole of the water seal 45 under the centrifugal force of the high-speed rotation, at this time, the inner hole of the water seal 45 is enlarged, and a gap is generated between the inner. When the first inner cylinder door 3 rotates or does not move at a low speed, the bump 63 can not pull the inner hole of the water seal 45 when no centrifugal force or small centrifugal force exists, the inner hole of the water seal 45 is tightly clamped on the door shaft 8, and the water seal 45 is made of rubber.

As shown in fig. 11, a groove 94 is provided on the outer periphery of the outer panel 4, one end of the first spring 6 provided between the outer panel 4 and the inner panel 5 in the first inner tube door 3 is provided in the groove 94 of the outer panel 5, and the other end is connected to the inner panel 5. A plurality of first springs 6 are provided around the door shaft 8.

Fig. 3 is a schematic structural view of a cylindrical inner tub of a drum washing machine according to the present invention.

As shown in fig. 2, the first spring 6 provided between the outer panel 4 and the inner panel 5 of the first inner tube door 3 is fitted around the door shaft 8, and both ends of the first spring 6 fitted around the door shaft 8 are connected to the outer panel 4 and the inner panel 5, respectively.

As shown in fig. 8, the first spring 6 provided between the outer panel 4 and the inner panel 5 of the first inner tubular door 3 is formed by a plurality of first springs 6 provided around the door shaft 8, and both ends of the first springs 6 connect the outer panel 4 and the inner panel 5.

As shown in FIG. 15, the inner drum of the drum washing machine is a polygonal cylindrical inner drum and a polygonal cylindrical inner drum 62. the drum washing machine adopting the polygonal cylindrical inner drum 62 is more beneficial to washing clothes and dewatering and drying the clothes.

As shown in fig. 16, 17, 19, 20 and 21, embodiment 1 of the pulsator washing machine according to the present invention includes, in order from the outside to the inside: a door cover 77, a shell 79, an outer barrel 86, an inner barrel 89 and a wave wheel 92; the pulsator washing machine comprises a control device and a transmission mechanism, wherein the door cover 77 comprises an outer door cover 76 and an inner barrel door cover 78, the outer door cover 76 is pivotally arranged on the shell 79, a door cover shaft 80 is arranged on the outer door cover 76, a second clothes taking and placing opening 105 is arranged on the shell 79, an outer barrel opening 106 of the outer barrel 86 and an inner barrel opening 87 of the inner barrel 89 correspond to the clothes taking and placing opening 105, and when the outer door cover 76 is pivotally closed on the second clothes taking and placing opening 105 on the shell 79, the outer door cover 76 can drive the inner barrel door cover 78 to be closed on the inner barrel opening 87 of the inner barrel 89; when the inner barrel door cover 78 is closed on the inner barrel opening 87 of the inner barrel 89, the door cover shaft 80 connecting the outer door cover 76 and the inner barrel door cover 78 is on the same axis with the inner barrel 89; when the inner barrel door cover 78 is closed on the inner barrel opening 87 of the inner barrel 89, the driving motor 88 connected with the inner barrel shaft 72 arranged at the bottom of the inner barrel 89 drives the inner barrel 89 to rotate so as to drive the inner barrel door cover 78 to rotate; when the external door cover 76 opens the clothes taking and placing opening 105, the external door cover 76 can drive the inner barrel door cover 78 to be separated from the inner barrel opening 87.

Be provided with door cover axle 80 on the outer door cover 76, inner tube door cover 78 includes enclosing cover 81, bearing 18, inner cup 82, seventh spring 90, support 85, the cover is equipped with bearing 18 on the door cover axle 80, and the outer door cover 76 other end is connected to door cover axle 80 one end passes the hole of enclosing cover 81's bearing 18 in proper order, inner cup through-hole 91 of inner cup 82, and enclosing cover 81 suit is on bearing 18, and inner cup through-hole 91 suit is connected with inner cup 82 rotation on door cover axle 80, is connected with seventh spring 90 between enclosing cover 81 and the inner cup 82, and the periphery of enclosing cover 81 and inner cup 82 is provided with support 85, and the one end fixed connection enclosing cover 81 other end and the unfixed connection of inner cup 82 of support 85. The outer cover 81 and the inner cover 82 are provided with water leakage holes 84, and the outer door cover 76 is provided with a water injection pipe 107.

The outer side of the inner barrel sidewall 109 is provided with an inner barrel ring 70; the inner tub has a plurality of second dehydrating holes 73.

The side wall 109 of the inner barrel is provided with a plurality of second dewatering holes 73, the two ends of the outer side of the side wall 109 of the inner barrel are respectively sleeved with an inner barrel ring 70, the inner barrel ring 70 is provided with an inner barrel ring through hole 71 and a stop pin 74, the two ends of a shaft lever 66 respectively penetrate through the inner barrel ring through hole 71, the shaft lever 66 can rotate in the inner barrel ring through hole 71, the shaft lever 66 is provided with a second driving rod 68, one end of the second driving rod 68 is connected with the shaft lever 66, the other end of the second driving rod 68 is connected with a second water plug 67, and the second water plug 67 corresponds to the second; one end of the stopper pin 74 is on the outer side of the second driving rod 68 on the outer circumference of the inner barrel ring, the second driving rod 68 is between the inner barrel sidewall 109 and the stopper pin 74, the stopper pin 47 can control the rotating angle of the second driving rod 68 and the shaft lever 66, so as to control the separation distance between the second water plug 67 connected with the other end of the second driving rod 68 and the second dewatering hole 73 to be not more than 3 cm, the shaft lever 66 is sleeved with the sixth spring 69, the third spring end 100 of the sixth spring 69 is pressed on the second driving rod 68, and the fourth spring end 101 of the sixth spring 69 is pressed on the inner barrel sidewall 109;

centrifugal drainage devices are arranged on the inner barrel ring 70 and the second dewatering holes 73; the centrifugal drainage device comprises a shaft 66, a sixth spring 69 and a second water plug 67; the centrifugal force when the inner tub 89 rotates at a high speed can drive the second water stopper 67 of the centrifugal drainage device to separate from the second dewatering holes 73, and the elastic force of the sixth spring 69 can drive the second water stopper 67 of the centrifugal drainage device to close on the second dewatering holes 73 when the inner tub 89 rotates at a low speed or does not rotate;

the bottom of the inner barrel is provided with a drain hole 103, and the drain hole 103 is communicated with a drain pipeline 104.

A case corresponding to the inner tub door cover 78 may be provided on the inner tub door cover 78.

In the operation method of embodiment 1 of the pulsator washing machine according to the present invention, when the pulsator washing machine operates to wash laundry, the inner tub 89 contains the laundry, the outer door 76 is pivotally closed at the second laundry inlet 105 and the outer door 76 drives the inner tub door 78 to close at the inner tub opening 87, when the inner tub door 78 closes at the inner tub opening 87, the inner door 82 tightly closes at the inner tub opening 87 by the inner door 82 under the elastic force of the seventh spring 90, and when the driving motor 88 drives the inner tub 89 to spin-dry the laundry at high speed, the inner door 82 drives the bracket 85 to rotate, the bracket 85 drives the outer door 81 to rotate, the upper portion of the inner tub 89 is not shaken, so that the inner tub 89 rotates at high speed more stably, the water injected from the water injection pipe 107 is injected into the inner tub 89 through the water leakage holes 84 provided in the outer door 81 and the inner door 82, and when the inner tub 89 rotates at low speed or not, the elastic force of the third spring end 100 of the sixth spring 69 pressed against the second driving rod 68 can drive the second driving rod The driving rod 68 drives the connected second water plug 67 to close the second dewatering hole 73; the driving motor 88 drives the impeller 92 to rotate to wash the clothes, and the washing of the clothes is finished;

when the pulsator washing machine drains water and dehydrates clothes, the driving motor 88 drives the inner tub 89 to rotate at high speed, the inner tub 89 drives the second driving rod 68 on the shaft lever 66 to rotate at high speed, at the moment, the centrifugal force of the high-speed rotation of the second driving rod 68 is larger than the elastic force of the third spring end 100 of the sixth spring 69 pressed on the second driving rod 68, the second driving rod 68 drives the shaft lever 66 to rotate in the inner tub ring through hole 71 and simultaneously drives the other end of the second driving rod 68 to be connected with the second water plug 67 and separated from the second dehydrating hole 73, water for washing clothes and dehydrating clothes is drained out of the inner tub 89 through the second dehydrating hole 73 and drained out through a drain hole 103 on the bottom of the outer tub through a drain pipeline 104, the pulsator washing machine finishes dehydrating and dehydrating clothes, the motor 28 stops working, the outer door cover 76 can pivotally open the second clothes taking and draining hole 105, and the outer door cover 76, when the pulsator washing machine stops working and the inner tub 89 rotates at a low speed or does not rotate, the third spring end 100 of the sixth spring 69 is pressed on the second driving rod 68, and the elastic force can drive the second driving rod 68 to drive the shaft lever 66 to rotate in the inner tub through hole 71 and drive the second water plug 67 connected with the other end of the second driving rod 68 to close on the second dewatering hole 73; when the drum washing machine is used for washing clothes, no water exists in the outer barrel 86, the outer barrel 86 discharges the water for washing the clothes and the water for dehydrating and spin-drying the clothes out of the washing machine when draining and dehydrating and spin-drying the clothes, and when the clothes are washed, no water exists between the outer barrel 86 and the inner barrel 89, so that water resources are saved, the clothes can be efficiently cleaned, bacteria breeding in the washing machine can be controlled, the clothes drying efficiency is improved, a large amount of washing water and electric energy can be saved, and the arrangement of the inner barrel door cover 78 is increased, so that the inner barrel of the pulsator washing machine can more stably rotate at.

Embodiment 2 of the pulsator washing machine of the present invention is shown in fig. 18 to 21; the difference from the embodiment 1 of the pulsator washing machine of the present invention is that, as shown in fig. 18, a second outer door 93 is pivotably provided on the housing 79, an inner tub door is not provided on the second outer door 93, and a water injection pipe port 108 is provided at the center of the second outer door 93 to enable connection of an external water source through a water pipe; water can be injected into the inner tub 89 through a water injection pipe port 108 provided at the center of the second outer door cover 93, and the other parts are the same as those of the pulsator washing machine of embodiment 1 of the present invention. The working method of washing the laundry, the working method of the water for washing the laundry and the draining of the spin-dried water for washing the laundry of this embodiment 2 are the same as the working method of embodiment 1 of the pulsator washing machine of the present invention.

The side wall 109 of the inner barrel is provided with a second dewatering hole 73, the two ends of the outer side of the side wall 109 of the inner barrel are respectively sleeved with an inner barrel ring 70, the inner barrel ring 70 is provided with an inner barrel ring through hole 71 and a stop pin 74, the two ends of the shaft lever 66 respectively penetrate through the inner barrel ring through hole 71, the shaft lever 66 can rotate in the inner barrel ring through hole 71, the shaft lever 66 is provided with a second driving rod 68, one end of the second driving rod 68 is connected with the shaft lever 66, the other end of the second driving rod 68 is connected with a second water plug 67, and the second water plug 67 corresponds to the second; one end of the blocking pin 47 is arranged on the outer periphery of the inner barrel ring, the other end of the blocking pin 47 is arranged on the outer side of the second driving rod 68, the blocking pin 47 can control the rotating angle of the second driving rod 68 and the shaft lever 66 so as to control the separation distance between the second water plug 67 connected with the other end of the second driving rod 68 and the second dewatering hole 73 to be not more than 3 cm, the shaft lever 66 is sleeved with a sixth spring 69, the third spring end 100 of the sixth spring 69 is pressed on the second driving rod 68, and the fourth spring end 101 of the sixth spring 69 is pressed on the inner barrel side wall 109;

the outer side of the inner barrel sidewall 109 is provided with an inner barrel ring 70; the inner tub side wall 109 has a plurality of second dehydrating holes 73; centrifugal drainage devices are arranged on the inner barrel ring 70 and the second dewatering holes 73; the centrifugal drainage device comprises a shaft 66, a sixth spring 69 and a second water plug 67; the centrifugal force when the inner tub 69 rotates at a high speed can drive the second water stopper 67 of the centrifugal drainage device to separate from the second dewatering holes 73, and the elastic force of the sixth spring 69 when the inner tub 89 rotates at a low speed or does not rotate can drive the second water stopper 67 of the centrifugal drainage device to close on the second dewatering holes 73; the drain hole is arranged at the bottom of the outer barrel 86; the inner barrel shaft and the door cover shaft can be solid shafts or hollow shafts; when the door cover shaft is a hollow shaft, the door cover shaft can be connected with a water supply pipe; when the inner barrel shaft is a hollow shaft, a drain pipe can be connected;

the shape of the inner barrel comprises: a polygonal cylindrical inner barrel, a circular cylindrical inner barrel and a conical cylindrical inner barrel; the inner barrel can also be provided with a heating device.

Fig. 20 is a schematic structural view of a cone-shaped barrel inner barrel of the pulsator washing machine according to the present invention. The impeller washing machine adopts the structure of the conical barrel-shaped inner barrel 75, which is more beneficial to washing clothes and dewatering and drying the washed clothes.

Fig. 19 is a schematic structural view of a cylindrical inner tub of a pulsator washing machine according to the present invention.

Fig. 21 is a schematic structural view of a polygonal cylindrical inner tub of the pulsator washing machine according to the present invention. The pulsator washing machine adopts the structure of the polygonal cylindrical inner tub 65, which is more advantageous for washing and dehydrating the laundry.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A drum washing machine comprises, in order from outside to inside: door, shell, urceolus, inner tube, its characterized in that: the door includes outer door and interior tube door, outer door pivotable arrangement is in on the shell with outer door corresponding be provided with clothing on the shell and get and put the mouth, with the clothing is got and is put the mouth and corresponding be the outer tube mouth of urceolus, the interior tube mouth of inner tube, outer door pivotable opens or closes clothing on the shell is got and is put the mouth, interior tube door can open or close the inner tube mouth of inner tube, works as interior tube door is closed when the interior tube mouth of inner tube is gone up, the inner tube rotates and can drive the inner tube door rotates.

2. A drum washing machine according to claim 1, characterized in that: the outer door is provided with a door shaft, a bearing is sleeved on the door shaft, the outer door and the inner cylinder door are connected through the door shaft and the bearing, the inner cylinder door can rotate around the door shaft on the door shaft, and the inner cylinder door and the door shaft are coaxial; when the outer door is pivoted and closed on the clothes taking and placing opening on the shell, the outer door can drive the inner drum door to be closed on the inner drum opening of the inner drum; when the inner cylinder door is closed on an inner cylinder opening of the inner cylinder, a door shaft connecting the outer door and the inner cylinder door is on the same axis with the inner cylinder; when the outer door is pivoted and closed on the clothes taking and placing opening to drive the inner drum door to be closed on the inner drum opening of the inner drum, the inner drum can be driven to rotate by the rotation of the inner drum; when the outer door pivots to open the clothes taking and placing opening, the outer door can drive the inner cylinder door to open the inner cylinder opening.

3. A drum washing machine according to claim 1, characterized in that: the outer door is pivotally arranged on the shell and can pivotally open or close the clothes taking and placing opening; the inner barrel door can be pivoted at an inner barrel opening of the inner barrel, and the inner barrel door can be pivoted to open or close the inner barrel opening; when the inner cylinder door is pivoted and closed on an inner cylinder opening of the inner cylinder, the inner cylinder can drive the inner cylinder door to rotate by rotating;

the inner cylinder door is provided with a sliding pipe, a pin rod capable of sliding in the sliding pipe is arranged in the sliding pipe, the sliding pipe and the pin rod are symmetrically arranged, the inner cylinder door is provided with a spring, two ends of the spring are connected with the symmetrically arranged pin rod, and a pin opening is formed in the inner cylinder opening and corresponds to the pin rod; the pin openings are symmetrically arranged, when the inner cylinder door is pivoted and closed on the inner cylinder opening, the pin rod is driven to rotate at a high speed when the inner cylinder door rotates at a high speed, and the centrifugal force of the high-speed rotation of the pin rod drives the pin rod to be inserted into the pin openings; when the inner cylinder door rotates at a low speed or does not rotate, the elastic force of the spring can pull the pin rod to be separated from the pin opening.

4. A drum washing machine according to claim 2, characterized in that: the inner tube door includes: planking, inner panel, the planking with be provided with planking through-hole and inner panel through-hole on the center of inner panel, be provided with the bearing in the planking through-hole, be provided with the water seal in the inner panel through-hole, the one end of door-hinge is connected the outer door other end passes in proper order the hole of bearing the hole of water seal, the planking with be provided with the spring between the inner panel.

5. A drum washing machine according to claim 4, characterized in that: the water seal is connected with a hydraulic device or a lug; the hydraulic device is arranged on the inner barrel door, and the convex block is arranged on the outer side of the water seal inner hole; when the water seal is connected with the hydraulic device, a hollow cavity is arranged in the water seal and is connected with the hydraulic device through a pipeline, hydraulic media are arranged in the hollow cavity and the pipeline, the centrifugal force generated when the inner cylinder door rotates at a high speed can drive the hydraulic device to reduce the pressure of the hydraulic media, and an inner hole of the water seal can be enlarged when the pressure of the hydraulic media is reduced; when the inner cylinder door rotates at a low speed or does not rotate, the hydraulic device can increase the pressure of the hydraulic medium, and when the pressure of the hydraulic medium is increased, the inner hole of the water seal can be reduced; when the water seal is connected with the lug, the water seal is driven to rotate when the inner barrel door rotates at a high speed, the water seal rotates at a high speed to drive the lug to rotate, and when the lug pulls the inner hole of the water seal under the action of centrifugal force of high-speed rotation, the inner hole of the water seal can be enlarged.

6. A drum washing machine according to claim 1, characterized in that: an inner cylinder ring is arranged on the outer side of the side wall of the inner cylinder; the side wall of the inner cylinder is provided with a plurality of dewatering holes; the inner cylinder ring and the dewatering holes are provided with drainage devices; the drainage device comprises a pull rod, a spring and a water plug; the centrifugal force when the inner cylinder rotates at a high speed can drive the water plug of the drainage device to be separated from the dewatering hole, and when the inner cylinder rotates at a low speed or does not rotate, the elastic force of the spring can drive the water plug of the drainage device to be closed on the dewatering hole; the outer cylinder is provided with an electric device; the electric device is provided with a drag hook and a spring, the electric device can drive the drag hook to pull the pull rod to drive the water plug of the drainage device to be separated from the dehydration hole, and when the electric device does not pull the pull rod, the elasticity of the spring of the drainage device can drive the water plug of the drainage device to be closed on the dehydration hole; the water outlet is arranged at the lower part of the side wall of the outer barrel; the outer barrel is provided with an air vent and an observation port.

7. A drum washing machine according to claim 6, characterized in that: the shape of the inner barrel comprises: a polygonal cylindrical inner cylinder and a circular cylindrical inner cylinder;

8. A pulsator washing machine comprises the following components in sequence from outside to inside: door cover, shell, outer barrel, inner barrel, wave wheel; the method is characterized in that: the door cover comprises an outer door cover and an inner door cover, the outer door cover is pivotally arranged on the shell, a clothes taking and placing opening is formed in the shell and corresponds to the outer door cover, the clothes taking and placing opening is sequentially provided with an outer barrel opening of the outer barrel and an inner barrel opening of the inner barrel, a door cover shaft is arranged on the outer door cover, a bearing is sleeved on the door cover shaft, the inner door cover and the outer door cover are connected through the door cover shaft and the bearing, the inner door cover and the door cover shaft are coaxial, and the inner door cover can rotate around the door cover shaft on the door cover shaft; the inner barrel door cover is provided with a water leakage hole; when the outer door cover is pivoted and closed on the clothes taking and placing opening on the shell, the outer door cover can drive the inner barrel door cover to be closed on the inner barrel opening of the inner barrel; when the inner barrel door cover is closed on the inner barrel opening of the inner barrel, the door cover shaft connecting the outer door cover and the inner barrel door cover is in the same axis with the inner barrel; when the inner barrel door cover is closed on the inner barrel opening of the inner barrel, the inner barrel rotates to drive the inner barrel door cover to rotate; when the outer door cover pivots to open the clothes taking and placing opening, the outer door cover can drive the inner barrel door cover to open the inner barrel opening.

9. The pulsator washing machine according to claim 8, wherein: an inner barrel ring is arranged on the outer side of the side wall of the inner barrel; the side wall of the inner barrel is provided with a plurality of dewatering holes; centrifugal drainage devices are arranged on the inner barrel ring and the dewatering holes; the centrifugal drainage device comprises a shaft rod, a spring and a water plug; the centrifugal force when the inner barrel rotates at high speed can drive the water plug of the centrifugal drainage device to be separated from the dewatering hole, and the elastic force of the spring can drive the water plug of the centrifugal drainage device to be closed on the dewatering hole when the inner barrel rotates at low speed or does not rotate; the drain hole is arranged at the bottom of the outer barrel.

10. The pulsator washing machine according to claim 8, wherein: a spring is arranged on the door cover; the shape of the inner barrel comprises: polygonal cylindrical inner barrel, circular cylindrical inner barrel and conical cylindrical inner barrel.