阅读说明：本技术 工作状态可控的多桶洗衣机 (Multi-drum washing machine with controllable working state ) 是由 丁景伟 靳广虎 张静 于 2019-09-17 设计创作，主要内容包括：本发明提供了一种工作状态可控的多桶洗衣机,由单个电机驱动,可控制多个洗衣桶工作状态的启停,实现了分类洗衣功能,同时也减少了不必要的能量损失。本发明还提出了一种新结构洗衣水加热装置,将加热元件布置在波轮里面,利用热传导原理实现对洗衣水的加热。洗衣机离合器中的波轮轴采用空心轴,为新型加热装置提供了必要的安装空间；在动力传动中引用了张紧轮,使皮带包角增大,有效保证了动力传动的稳定性。(The invention provides a multi-barrel washing machine with controllable working states, which is driven by a single motor, can control the start and stop of the working states of a plurality of washing barrels, realizes the function of classified washing, and simultaneously reduces unnecessary energy loss. The invention also provides a new structure of the washing water heating device, the heating element is arranged in the impeller, and the washing water is heated by utilizing the heat conduction principle. The impeller shaft in the clutch of the washing machine adopts a hollow shaft, so that a necessary installation space is provided for a novel heating device; a tension wheel is introduced in power transmission, so that the wrap angle of the belt is increased, and the stability of the power transmission is effectively ensured.)

1. A multi-tub washing machine with controllable working conditions is characterized in that: comprises a barrel body structure, an impeller device and a power structure;

the barrel structure comprises an outer barrel (1), an inner barrel (2) and a washing machine shell, wherein the outer barrel (1) is fixedly connected with the washing machine shell, the inner barrel (2) is placed in the outer barrel (1), and a drainage gap is reserved between the outer surface of the inner barrel (2) and the inner surface of the outer barrel (1);

the impeller device comprises an impeller cavity basin (6) and an impeller cover (3) which are arranged in an inner barrel (2), the inner surface of the inner barrel (2) is contacted with the outer surface of the impeller cavity basin (6) and the outer cylindrical surface of the impeller cover (3), and the upper end surface of the outer circular ring of the impeller cavity basin (6) is fixed with the impeller cover (3);

the power structure comprises a clutch, a large belt wheel (10), a thrust bearing (12), a bearing support plate (13), an electromagnet (14), a bottom plate (15), a thin shaft (16), a rectifier (17), a small belt wheel (18), a motor (19), a tension wheel (20) and a pulling plate (21);

the clutch consists of a wave wheel shaft (7), a dehydration shaft (8), a clutch main body (9) and a clutch input shaft (11), wherein the upper end of the wave wheel shaft (7) is in transition fit with an inner hole of a wave wheel cavity basin (8), and the lower end of the wave wheel shaft (7) is in key connection with a planetary gear structure in the clutch main body (9); the upper end of a dewatering shaft (8) is in interference fit with an inner barrel (2), the lower end of the dewatering shaft (8) is in intermittent contact connection with a clutch body (9), the upper end of a clutch input shaft (11) is fixedly connected with the clutch body (9), and the lower end of the dewatering shaft is in sliding connection with a protruding annular hole of a large belt wheel (10) in the vertical direction

The inner hole at the lower end of the large belt pulley (10) is in interference fit with the outer ring of the thrust bearing (12), the inner ring of the thrust bearing (12) is in interference fit with the extension shaft on the bearing support plate (13), the lower end face of the bearing support plate (13) is in contact with the upper end face of the electromagnet (14), the lower end of the electromagnet (14) is in threaded connection with the upper end face of the bottom plate (15), and the lower end of the thin shaft (16) is in threaded connection with the central hole of the bottom plate (15); the rectifier (17) is fixedly arranged on one side of the bottom plate, converts alternating current into direct current and provides electric energy for the electromagnet (14);

the small belt wheel (18) is connected with an output shaft of a motor (19) in an interference fit manner, the motor (19) is fixed on the upper surface of the bottom plate (15) through screws, and the tension wheel (20) is installed between the two washing tubs and is fixed on the upper end surface of the bottom plate (15) in a threaded manner; the pulling plates (21) are distributed at four right angles of the bottom plate (15), and the upper end surface and the lower end surface of the pulling plates are respectively fixed on the upper surface of the bottom plate (15) and the lower surface of the outer barrel (1).

2. A multiple tub washing machine with controllable operating conditions as claimed in claim 1, wherein: a thermal element (4) fixed by a heating element support plate (5) is arranged below the impeller cover (3); the heating element supporting plate (5) is positioned above the upper end face of the bulge in the impeller cavity basin (6), and the bottom of the heating element supporting plate (5) is connected with the upper end of the thin shaft (16) in the power structure.

3. A multiple tub washing machine with controllable operating conditions as claimed in claim 1, wherein: the vertical section of the inner barrel (2) is inverted trapezoid, and the wall of the inner barrel (2) has inclination.

4. A multiple tub washing machine with controllable operating conditions as claimed in claim 1, wherein: the heating element (4) is of a spiral structure.

5. A multiple tub washing machine with controllable operating conditions as claimed in claim 1, wherein: the impeller shaft (7) is a hollow shaft.

Technical Field

The invention relates to the field of household appliances, in particular to a multi-barrel washing machine with controllable working state.

Background

With the development of science and technology in China and the overall improvement of the living standard of people, the requirements of people on household appliances are higher and higher, the prior common washing machine is gradually eliminated and replaced by a full-automatic single-barrel washing machine, but the single-barrel washing machine still has the defects, for some clothes which need to be cleaned separately, a single-barrel washing machine needs to be used for a plurality of times, which not only wastes time but also consumes unnecessary energy, so that the multi-tub washing machine can be operated, and because only one motor is used for driving, a plurality of washing tubs of a plurality of multi-tub washing machines can work at the same time, the working state of each washing tub can not be controlled, thereby causing energy loss to a certain extent, therefore, a multi-tub washing machine which can manually select the working state of the washing machine is urgently needed in the market, so that the washing requirements of people are met, and a certain energy-saving effect is achieved.

Disclosure of Invention

The invention provides a multi-tub washing machine with controllable working states, which is driven by a single motor, can control the starting and stopping of the working states of a plurality of washing tubs, realizes the function of classified washing and simultaneously reduces unnecessary energy loss.

The invention comprises a barrel structure, a wave wheel device and a power structure, and particularly comprises an outer barrel, an inner barrel, a wave wheel cover, a heating element supporting plate, a wave wheel cavity basin, a clutch, a large belt wheel, a thrust bearing, a bearing supporting plate, an electromagnet, a bottom plate, a fine shaft, a rectifier, a small belt wheel, a motor, a tensioning wheel and a pulling plate.

In the barrel body structure, the outer barrel is fixedly connected with the shell of the washing machine, a certain gap is reserved between the outer surface of the inner barrel and the inner surface of the outer barrel, when the clutch drives the inner barrel to rotate at high speed, water on clothes is thrown out under the action of centrifugal force, upwards passes through the inner wall of the inner barrel, passes over the uppermost end of the inner barrel, and is discharged through a water discharge pipe through a gap between the inner barrel and the outer barrel.

The impeller device comprises an impeller cavity basin and an impeller cover. The inner surface of the inner barrel is in contact with the outer surface of the wave wheel cavity basin and the outer cylindrical surface of the wave wheel cover, the upper end surface of the outer cylindrical ring of the wave wheel cavity basin is fixed with the wave wheel cover through bolts, the heating element is positioned below the wave wheel cover and fixed on the heating element supporting plate through bolts, and the heating element supporting plate is positioned above the upper end surface of the bulge inside the wave wheel cavity basin, has a certain distance and is in threaded connection with the upper end of the thin shaft.

The power structure is as follows: the clutch comprises impeller shaft, dehydration axle, clutch main part and clutch input shaft, impeller shaft upper end and impeller chamber basin hole transition fit, the lower extreme realizes the key-type connection with planetary gear structure in the clutch main part, dehydration axle upper end and interior bucket interference fit, the lower extreme realizes intermittent contact with the clutch main part and is connected, realize the dehydration function of interior bucket, fixed connection is realized to clutch input shaft upper end and clutch main part, sliding connection is realized to the outstanding annular hole of lower extreme and big band pulley in vertical direction.

The inner hole at the lower end of the large belt wheel is in interference fit with the outer ring of the thrust bearing, the inner ring of the thrust bearing is in interference fit with the extension shaft on the bearing support plate, the lower end surface of the bearing supporting plate is contacted with the upper end surface of the electromagnet, the lower end of the electromagnet is connected with the upper end surface of the bottom plate in a threaded manner, the lower end of the thin shaft is connected in the central hole of the bottom plate in a threaded manner, the rectifier is arranged on one side of the bottom plate and is fixed by a screw, the main function of the device is to convert alternating current into direct current to provide electric energy for the electromagnet, the small belt wheel is connected with the output shaft of the motor in an interference fit way, the motor is fixed on the upper surface of the bottom plate through screws, the tension wheel is arranged between the two washing tubs and is fixed on the upper end surface of the bottom plate through threads, the pull plates are distributed at four right-angle positions of the bottom plate, and the upper end face and the lower end face of each pull plate are fixed on the upper surface of the bottom plate and the lower surface of the outer barrel through screws respectively.

Preferably, the inner barrel is in an inverted trapezoid shape and has a certain inclination.

Preferably, the heating element is of a helical configuration.

Preferably, the impeller shaft is a hollow shaft.

Preferably, the outer surface of the lower end of the clutch input shaft is not a complete cylindrical surface.

Preferably, the inner surface of the large pulley protruding annular hole is not a complete cylindrical surface.

The invention has the beneficial effects that:

1. the washing machine is driven by a single motor, can control the starting and stopping of the working states of a plurality of washing tubs, realizes the function of classified washing, and simultaneously reduces unnecessary energy loss;

2. the new structure of the washing water heating device is provided, the heating element is arranged in the impeller, and the washing water is heated by utilizing the heat conduction principle;

3. the impeller shaft in the clutch of the washing machine adopts a hollow shaft, so that a necessary installation space is provided for a novel heating device;

4. a tension wheel is introduced in power transmission, so that the wrap angle of the belt is increased, and the stability of the power transmission is effectively ensured.

Drawings

FIG. 1 is a schematic view of an installation of working parts in a washing tub according to the present invention;

FIG. 2 is an enlarged view of an installation of working parts in the washing tub according to the present invention;

FIG. 3 is a view showing an installation structure of the thrust bearing of the present invention;

FIG. 4 is a schematic view of the installation of the heating element of the present invention;

FIG. 5 is a schematic structural view of the present invention as a whole;

FIG. 6 is a structural view of a pulsator according to the present invention;

FIG. 7 is a diagram of a belt layout of the present invention;

FIG. 8 is a structural view of the small pulley of the present invention;

fig. 9 is a schematic view of the working state of the present invention.

In the figure, 1 is an outer barrel, 2 is an inner barrel, 3 is a wave wheel cover, 4 is a heating element, 5 is a heating element support plate, 6 is a wave wheel cavity basin, 7 is a wave wheel shaft, 8 is a dewatering shaft, 9 is a clutch body, 10 is a large belt wheel, 11 is a clutch input shaft, 12 is a thrust bearing, 13 is a bearing support plate, 14 is an electromagnet, 15 is a bottom plate, 16 is a thin shaft, 17 is a rectifier, 18 is a small belt wheel, 19 is a motor, 20 is a tension wheel, and 21 is a pull plate.

Detailed Description

The invention will be further explained with reference to the drawings.

The invention is described in detail below with reference to the following figures and specific examples:

the overall structure of a multi-drum washing machine with controllable working state is shown in figure 1 and figure 2, and comprises an outer drum 1, an inner drum 2, a wave wheel cover 3, a heating element 4, a heating element supporting plate 5, a wave wheel cavity basin 6, a clutch, a large belt wheel 10, a thrust bearing 12, a bearing supporting plate 13, an electromagnet 14, a bottom plate 15, a thin shaft 16, a rectifier 17, a small belt wheel 18, a motor 19, a tension wheel 20 and a pulling plate 21.

The outer barrel 1 is fixedly connected with the shell of the washing machine, a certain gap is left between the outer surface of the inner barrel 2 and the inner surface of the outer barrel 1, when the clutch drives the inner barrel 2 to rotate at high speed, water on clothes is thrown out under the action of centrifugal force, upwards moves along the inner wall of the inner barrel 2, crosses the uppermost end of the inner barrel 2, and is discharged through a water discharge pipe through a gap between the inner barrel 2 and the outer barrel 1.

The inner surface of the inner barrel 2 is contacted with the outer surface of a wave wheel cavity basin 6 and the outer cylindrical surface of a wave wheel cover 3, the upper end surface of the outer circular ring of the wave wheel cavity basin 6 is fixed with the wave wheel cover 3 through bolts, the heating element 4 is positioned below the wave wheel cover 3 and is fixed on a heating element supporting plate 5 through bolts as shown in figure 4, and the heating element supporting plate 5 is positioned above the upper end surface of the inner bulge of the wave wheel cavity basin 6, has a certain distance and is in threaded connection with the upper end of a thin shaft 16.

The clutch is composed of a wave wheel shaft 7, a dehydration shaft 8, a clutch main body 9 and a clutch input shaft 11, wherein the upper end of the wave wheel shaft 7 is in transition fit with an inner hole of a wave wheel cavity basin 8, the lower end of the wave wheel shaft is in key connection with a planetary gear structure in the clutch main body 9, the upper end of the dehydration shaft 8 is in interference fit with the inner barrel 2, the lower end of the dehydration shaft is in intermittent contact connection with the clutch main body 9 to realize the dehydration function of the inner barrel 2, the upper end of the clutch input shaft 11 is fixedly connected with the clutch main body 9, and the lower end of the dehydration shaft is in sliding connection with a protruding annular hole of the large.

The interference fit is realized with thrust bearing 12's outer lane in the lower extreme hole of big band pulley 10, thrust bearing is as shown in fig. 3, and the interference fit is realized with the projecting shaft on the bearing support board 13 to thrust bearing 12's inner circle, bearing support board 13 lower extreme face contacts with the up end of electro-magnet 14, the lower extreme threaded connection of electro-magnet 14 is in the up end of bottom plate 15, the threaded connection of thin axle 16 lower extreme is in the centre bore of bottom plate 15, rectifier 17 installs in one side of bottom plate, and through the fix with screw, its main function is changeing alternating current into direct current, provides the electric energy for electro-magnet 14

As shown in fig. 8, the small pulley 18 is connected with an output shaft of a motor 19 in an interference fit manner, the motor 19 is fixed on the upper surface of the bottom plate 15 by a screw, and the tension pulley 20 is installed between the two washing tubs and fixed on the upper end surface of the bottom plate 15 by a screw thread as shown in fig. 7. The pulling plates 21 are distributed at four corners of the bottom plate 15, as shown in fig. 5, and the upper and lower end surfaces are fixed on the upper surface of the bottom plate 15 and the lower surface of the tub 1 by screws, respectively.

Preferably, the inner barrel 2 has an inverted trapezoidal shape with a certain inclination.

Preferably, the heating element 4 has a spiral structure.

Preferably, the impeller shaft 7 is a hollow shaft.

Preferably, the outer surface of the lower end of the clutch input shaft 11 is not a complete cylindrical surface.

Preferably, the inner surface of the annular hole from which the large pulley 10 protrudes is not perfectly cylindrical.

When the four washing tubs of the washing machine are operated simultaneously, as shown in fig. 9, the motor serves as a driving force to drive the small pulley to rotate, and then the small pulley drives the four large pulleys to rotate through the belt, thereby transmitting the power to each washing tub. At the moment, the electromagnet is in a power-off state, namely the extension shaft of the electromagnet is always in an extension state, so that the function of supporting the large belt wheel is achieved, and the large belt wheel and the clutch input shaft are ensured to realize power transmission all the time. When the working program of the washing machine is started, the work of water injection, heating, washing, dehydration and drainage can be completed in sequence, wherein the heating process is realized by electrifying the heating element, and the temperature for heating the washing water can be set through the interactive interface between the washing machine and a user so as to ensure that the clothes are not damaged. When one or more of the four washing tubs are required to be out of operation, the corresponding electromagnet can be electrified, even if the extension shaft of the electromagnet contracts, so that the large belt wheel slides downwards along the extension shaft under the action of gravity, and is separated from the input shaft of the clutch, and the power is not transmitted to the washing tub.

While the invention has been described in terms of its preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.