CN212051997U - Multi-tub washing machine with controllable working status - Google Patents

Abstract

The invention provides a multi-tub washing machine with controllable working states, which is driven by a single motor and can control the start and stop of the working states of multiple washing tubs, realizes the function of classified laundry, and reduces unnecessary energy loss. The invention also proposes a washing water heating device with a new structure, wherein the heating element is arranged in the pulsator, and the heating of the washing water is realized by using the principle of heat conduction. The pulsator shaft in the washing machine clutch adopts a hollow shaft, which provides the necessary installation space for the new heating device; the tension wheel is used in the power transmission, which increases the wrap angle of the belt and effectively ensures the stability of the power transmission.

Description

Multi-tub washing machine with controllable working state

technical field

The utility model relates to the field of household appliances, in particular to a multi-tub washing machine with controllable working states.

Background technique

With the development of science and technology in our country and the overall improvement of people's living standards, people's requirements for household appliances are getting higher and higher. In the past, ordinary washing machines were gradually eliminated and replaced by fully automatic single-tub washing machines. However, single-tub washing machines still have their defects. For some clothes that need to be washed separately, it is necessary to use the single-tub washing machine multiple times, which not only wastes time but also consumes unnecessary energy, so the multi-tub washing machine came into being. Multiple washing tubs work at the same time, and the working state of each washing tub cannot be controlled, resulting in a certain degree of energy loss. Therefore, there is an urgent need in the market for a multi-tub washing machine that can manually select the working state of the washing machine. Meet people's laundry needs, and achieve a certain energy-saving effect.

Utility model content

In order to solve the problems of the prior art, the utility model provides a multi-tub washing machine with controllable working states, which is driven by a single motor and can control the start and stop of the working states of multiple washing tubs, realizes the function of classified laundry, and reduces the unnecessary energy loss.

The utility model includes a barrel structure, a pulsator device and a power structure, and specifically includes an outer barrel, an inner barrel, a pulsator cover, a heating element, a heating element support plate, a pulsator cavity, a clutch, a large pulley, a thrust bearing, and a bearing support. Plate, electromagnet, bottom plate, thin shaft, rectifier, small pulley, motor, tensioner, pull plate.

In the barrel structure, the outer barrel is fixedly connected to the outer shell of the washing machine, and there is a certain gap 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 a high speed, the water on the clothes is removed under the action of centrifugal force. Throw it out, go up along the inner wall of the inner barrel, cross the uppermost end of the inner barrel, and discharge through the drain pipe through the gap between the inner barrel and the outer barrel.

The pulsator device includes a pulsator cavity and a pulsator cover. The inner surface of the inner barrel is in contact with the outer surface of the pulsator cavity and the outer cylindrical surface of the pulsator cover, the upper end surface of the outer ring of the pulsator cavity and the pulsator cover are fixed with bolts, and the heating element is located on the pulsator cover. Below, it is fixed on the heating element support plate with bolts, the heating element support plate is located above the upper end surface of the protrusion inside the pulsator cavity with a certain distance, and is threadedly connected to the upper end of the thin shaft.

The power structure is as follows: the clutch is composed of a pulsator shaft, a dehydration shaft, a clutch main body and a clutch input shaft. The upper end of the pulsator shaft is transitionally matched with the inner hole of the pulsator cavity, and the lower end is connected with the planetary gear structure in the clutch main body. The upper end is in an interference fit with the inner barrel, the lower end is intermittently connected with the clutch main body, and realizes the dehydration function of the inner barrel. .

The inner hole of the lower end of the large pulley realizes an interference fit with the outer ring of the thrust bearing, the inner ring of the thrust bearing realizes an interference fit with the protruding shaft on the bearing support plate, and the lower end surface of the bearing support plate and the electromagnetic The upper end surface of the iron is in contact, the lower end of the electromagnet is threadedly connected to the upper end surface of the base plate, the lower end of the thin shaft is threaded into the center hole of the base plate, the rectifier is installed on one side of the base plate and fixed by screws, its The main function is to convert alternating current into direct current to provide electric power for the electromagnet. The small pulley is connected to the output shaft of the motor with interference fit. The motor is fixed on the upper surface of the base plate by screws. Between the washing tubs, threads are fixed on the upper end surface of the bottom plate, the pull plates are distributed at four right angles of the bottom plate, and the upper and lower end surfaces are respectively fixed on the upper surface of the bottom plate and the lower surface of the outer tub by screws.

Preferably, the inner barrel is in the shape of an inverted trapezoid with a certain slope.

Preferably, the heating element has a helical structure.

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

The beneficial effects of the utility model are:

1. Driven by a single motor, it can control the start and stop of multiple washing tubs in the working state, realize the function of sorting laundry, and reduce unnecessary energy loss;

2. A washing water heating device with a new structure is proposed, the heating element is arranged in the pulsator, and the heating of the washing water is realized by the principle of heat conduction;

3. The pulsator shaft in the clutch of the washing machine adopts a hollow shaft, which provides the necessary installation space for the new heating device;

4. The tension wheel is used in the power transmission, which increases the wrap angle of the belt and effectively ensures the stability of the power transmission.

Description of drawings

Fig. 1 is the installation schematic diagram of working parts in the laundry tub of the present utility model;

Figure 2 is an enlarged view of the installation schematic diagram of the working parts in the laundry tub of the utility model;

Fig. 3 is the installation structure diagram of the thrust bearing of the utility model;

Fig. 4 is the installation schematic diagram of the heating element of the utility model;

Fig. 5 is the overall structural representation of the utility model;

6 is a structural diagram of a pulsator of the present utility model;

Fig. 7 is the belt arrangement structure diagram of the utility model;

Fig. 8 is the structural diagram of the utility model small pulley;

FIG. 9 is a schematic diagram of the working state of the utility model.

In the figure, 1 is the outer barrel, 2 is the inner barrel, 3 is the pulsator cover, 4 is the heating element, 5 is the heating element support plate, 6 is the pulsator cavity, 7 is the pulsator shaft, 8 is the dehydration shaft, and 9 is the clutch Main body, 10 is the large pulley, 11 is the clutch input shaft, 12 is the thrust bearing, 13 is the bearing support plate, 14 is the electromagnet, 15 is the base plate, 16 is the thin shaft, 17 is the rectifier, 18 is the small pulley, 19 is the motor, 20 is the tensioning wheel, and 21 is the pull plate.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings.

The present utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

A multi-tub washing machine with controllable working state, the overall structure is shown in Figures 1 and 2, including an outer tub 1, an inner tub 2, a pulsator cover 3, a heating element 4, a heating element support plate 5, and a pulsator cavity 6 , clutch, large pulley 10, thrust bearing 12, bearing support plate 13, electromagnet 14, bottom plate 15, thin shaft 16, rectifier 17, small pulley 18, motor 19, tensioner 20, pull plate 21.

The outer tub 1 is fixedly connected to the outer casing of the washing machine, and a certain gap is left between the outer surface of the inner tub 2 and the inner surface of the outer tub 1. When the clutch drives the inner tub 2 to rotate at a high speed, the water on the clothes is thrown away under the action of centrifugal force. Out, along the inner wall of the inner barrel 2 upward, over the uppermost end of the inner barrel 2, through the gap between the inner barrel 2 and the outer barrel 1 through the drain pipe.

The inner surface of the inner barrel 2 is in contact with the outer surface of the pulsator cavity 6 and the outer cylindrical surface of the pulsator cover 3, and the upper end surface of the outer ring of the pulsator cavity 6 is fixed with the pulsator cover 3 with bolts, and the heating element 4. As shown in FIG. 4, it is located under the pulsator cover 3, and is fixed on the heating element support plate 5 with bolts. distance, and is threadedly connected to the upper end of the thin shaft 16.

The clutch is composed of a pulsator shaft 7, a dehydration shaft 8, a clutch main body 9 and a clutch input shaft 11. The upper end of the pulsator shaft 7 is transitionally matched with the inner hole of the pulsator cavity 6, and the lower end is connected with the 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, and the lower end is intermittently connected with the clutch main body 9 to realize the dehydration function of the inner barrel 2. The holes enable sliding connections in the vertical direction.

The inner hole of the lower end of the large pulley 10 and the outer ring of the thrust bearing 12 realize an interference fit. The thrust bearing is shown in FIG. 3 . In a fitting fit, the lower end surface of the bearing support plate 13 is in contact with the upper end surface of the electromagnet 14 , the lower end of the electromagnet 14 is threadedly connected to the upper end surface of the base plate 15 , and the lower end of the thin shaft 16 is threadedly connected to the central hole of the base plate 15 Inside, the rectifier 17 is installed on one side of the bottom plate and fixed by screws, and its main function is to convert alternating current into direct current to provide electrical energy for the electromagnet 14

As shown in Figure 8, the small pulley 18 is connected with the output shaft of the motor 19 with interference fit, the motor 19 is fixed on the upper surface of the bottom plate 15 by screws, and the tensioning pulley 20 is installed between the two washing tubs. As shown in FIG. 7 , it is fixed to the upper end surface of the bottom plate 15 by screws. The pulling plates 21 are distributed at four right angles of the bottom plate 15 , as shown in FIG.

Preferably, the inner barrel 2 is an inverted trapezoid with a certain slope.

Preferably, the heating element 4 is a helical structure.

Preferably, the pulsator 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 large pulley 10 protruding from the annular hole is not a complete cylindrical surface.

When the four washing tubs of the washing machine work at the same time, as shown in Figure 9, the motor acts as the driving force, which will drive the small pulley to rotate, and then the small pulley passes through the belt to drive the four large pulleys to rotate, thereby transmitting the power to each laundry tub. At this time, the electromagnet is in the power-off state, that is, the extension shaft of the electromagnet is always in the extension state, which plays the role of supporting the large pulley and ensures that the large pulley always realizes power transmission with the clutch input shaft. When the working program of the washing machine is started, water injection, heating, washing, dehydration, and drainage will be completed in sequence. The heating process is realized by energizing the heating element, and the temperature of the washing water can be heated through the washing machine and the user interface. Make settings so that no damage to the clothes occurs. When one or several of the four washing tubs are required to be out of work, the corresponding electromagnet can be energized, even if the extension shaft of the electromagnet shrinks, so that the large pulley will follow the extension shaft under the action of gravity. Slide down, disengaging the clutch input shaft so that power is not transmitted to the tub.

There are many specific application ways of the present invention. The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present invention, several improvements, these improvements should also be regarded as the protection scope of the present invention.

Claims (5)

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 (6), 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).

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 2, 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.

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