JP6860673B2 - Pulsator structure and washing machine - Google Patents

Description

The present invention relates to a washing machine in the field of washing equipment. In particular, the present invention relates to a pulsator structure of a washing machine, and further relates to a multifunctional washing machine equipped with the pulsator structure.

As shown in FIG. 1, a conventional pulsator-type washing machine includes a housing that constitutes an outer contour. The outer tank 200 is mounted inside the housing, and the inner tank 100 is mounted inside the outer tank 200. Further, a pulsator structure 300 is provided at the bottom of the inner tank 100. An upper lid that can be opened by inverting is provided on the upper part of the housing. In order to carry out washing, clothes are put into the inner tank 100 from the opened upper lid portion. A motor 400 is further provided inside the housing. Generally, the motor 400 is mounted below the outer tank 200. The motor shaft 3 of the motor 400 extends upward and penetrates the bottom of the outer tank 200 and the bottom of the inner tank 100 in order. By engaging and fixing the motor shaft 3 to the pulsator structure 300 of the inner tank 100, the pulsator structure 300 is rotated by the motor 400 to agitate water and clothes in the inner tank 100. Further, in order to strengthen the stirring force of the water flow by the pulsator structure 300, a plurality of protruding ribs 18 projecting upward are usually provided on the upper surface of the pulsator structure 300. As a result, the agitation of the water flow in the rotation process of the pulsator structure 300 is strengthened. Further, in order to enhance the strength of the pulsator structure 300, a plurality of reinforcing ribs 15 extending downwardly are generally provided on the lower side of the pulsator structure 300. This improves the overall bearing capacity and torsional strength of the pulsator structure.

The operating principle of clothes washing by the pulsator washing machine having the above structure is as follows. By rotating the pulsator structure attached to the bottom of the inner tank in the forward and reverse directions, the clothes in the inner tank can be turned upside down, left and right without rest. This causes constant rubbing and friction between the garments and between the garments and the tank wall in water. In addition, the detergent is added to the water so that the purpose of removing stains on clothes and cleaning clothes can be achieved by the action of the detergent. As described above, in the pulsator washing machine, the pulsator hits the clothes with a stream of water to cause friction on the clothes, and the dirt is removed to achieve the purpose of washing the clothes.

However, the pulsator washing machine having the above structure has the following problems in the washing process of clothes.

1. 1. The pulsator and the clothing in the inner tank come into direct contact. In particular, since there are protruding ribs protruding upward to different degrees on the upper surface of the pulsator structure, the garment may come into contact with the rotating protruding ribs and be damaged by the protruding ribs.

2. A stirring water flow is generated in the inner tank by the rotation of the pulsator, but since the stirring water flow vibrates so as to reciprocate, the clothes may be deformed as a result of being entangled with each other or forming a dumpling shape.

In particular, in a pulsator washing machine, when washing clothes made of materials such as wool, cashmere, and silk, the entanglement of the clothes becomes more remarkable, and the wear of the clothes becomes more serious. Therefore, the user cannot wash the clothes made of the above materials such as wool, cashmere, and silk with the pulsator washing machine.

In view of these, the present invention is proposed.

An object of the present invention is to provide a pulsator structure in order to realize integration of pulsators for normal cleaning and soft cleaning. Another object is to use the pulsator structure to perform cleaning corresponding to each garment.

In order to realize the object of the above invention, the following technical plan is used.

It has a pulsator structure and includes a first pulsator and a second pulsator that are detachably connected, and an upper surface of the first pulsator is provided with at least one protruding rib that protrudes upward to wash clothes. The upper surface of the second pulsator is a smooth surface.

Further, the first pulsator and the second pulsator each have a plurality of water passage holes that are vertically penetrated.

Further, the water passage holes of the second pulsator are uniformly arranged on the plurality of spiral windings, and each spiral winding is arranged symmetrically with respect to the center of the second pulsator, and the water passage holes are preferably arranged. It penetrates both the upper and lower sides of the second pulsator.

Further, a first cleaning projecting rib projecting upward is provided at the center of the first pulsator, and a plurality of ribs extending in the radial direction and arranged symmetrically with respect to the center on the upper surface of the first pulsator. The second cleaning protruding rib is provided, and the first pulsator between the adjacent second cleaning protruding ribs is provided with a plurality of water passage holes, and the water passage holes penetrate the upper and lower sides of the first pulsator. Therefore, preferably, each water passage hole of the first pulsator is arranged symmetrically with respect to the center of the pulsator.

Further, the lower surface of the first pulsator is provided so as to be in close contact with the upper surface of the second pulsator, or the upper surface of the first pulsator is provided so as to be in close contact with the lower surface of the second pulsator.

Further, a mounting protrusion protruding upward is provided at the center of the second pulsator, a first cleaning protruding rib is provided at the center of the first pulsator, and the inside of the first cleaning protruding rib is mounted. It is hollow so that the protrusions can be inserted correspondingly, and the tip of the mounting protrusion or the tip of the first cleaning protrusion rib has a smooth upper surface so that the central upper surface of the pulsator is smooth. Is provided, and preferably, the upper surface of the second pulsator is a smooth flat surface from the mounting projection to the outer periphery.

Further, the first pulsator and the second pulsator are fixedly connected to each other via a quick release structure.

Further, the mounting protrusion is mounted with at least one engaging stud that extends outward along the radial direction of the mounting protrusion, and the engaging stud can be moved axially via a spring. Is mounted on the second pulsator, the first pulsator is provided with an engaging hole into which the engaging stud is engaged and inserted, preferably a quick release groove is provided on the upper surface of the first pulsator. The quick release groove is such that when the user applies an external force to the engaging stud from the quick release groove, the engaging stud moves inwardly to contract and is pushed out of the engaging hole. It communicates with the bottom of the.

More preferably, a position regulating rib protruding in the radial direction is provided in the center of the engaging stud. By contacting the position regulating rib with the second pulsator so that the position is restricted, the engaging stud is prevented from being pushed out by the spring and falling off after the first pulsator is removed.

Further, at least one positioning protrusion (14) is provided on the upper surface of the second pulsator (2), and the lower surface of the first pulsator (1) has a one-to-one correspondence with the positioning protrusion (14). A positioning groove (13) to be engaged and inserted is provided so as to be engaged, and preferably, the positioning projection (14) is provided near the outer periphery of the second pulsator (2).

The present invention further relates to a multifunctional washing machine in which any of the above pulsator structures is mounted on an inner tub.

In the pulsator structure, when the first pulsator is provided above the second pulsator, the second pulsator is meshed and connected so as to be fixed to the motor shaft of the motor, and the first pulsator is connected via the quick release structure. 2 Mounted above the pulsator. Therefore, the user can attach the first pulsator to the second pulsator as needed, or remove the first pulsator and leave only the second pulsator in the inner tank. As a result, the motor of the washing machine can usually or softly wash the clothes in the inner tub by rotating only the first pulsator or rotating both the first pulsator and the second pulsator.

In the present invention, in the case of normal washing of a washing machine, the first pulsator is assembled to the second pulsator, and the first pulsator and the second pulsator are rotated together by a motor. As a result, the protruding ribs on the upper surface of the first pulsator violently agitate the water in the inner tank and the clothes, thereby improving the cleaning effect on general clothes. When the washing machine softly cleans clothes such as wool and silk, the first pulsator is removed and only the second pulsator is rotated by a motor. Then, the smooth upper surface of the second pulsator slightly gently agitates the water and clothes in the inner tub to avoid entanglement of clothes and reduce wear of clothes in the washing process of the washing machine.

Alternatively, in the pulsator structure, when the first pulsator is provided below the second pulsator, the first pulsator is meshed and connected so as to be fixed to the motor shaft of the motor, and the second pulsator has a quick release structure. It is mounted above the first pulsator via. Therefore, the user can attach the second pulsator to the first pulsator as needed, or remove the second pulsator and leave only the first pulsator in the inner tank. As a result, the motor of the washing machine can soft-wash or normally wash the clothes in the inner tub by rotating only the second pulsator or rotating the first pulsator together. Similarly, in the above method, it is possible to give the washing machine a normal washing method and a soft washing method. Similarly, the pulsator washing machine makes it possible to realize the purpose of soft-washing clothes made of materials such as wool and silk.

Compared with the prior art, the present invention has the following beneficial effects.

1. 1. According to the pulsator structure provided as described above, the user can wash the clothes according to the material by using the pulsator surfaces having different smoothness as needed. As a result, the purpose of soft-cleaning clothes made of materials such as wool and silk by using the pulsator structure can be achieved.

2. By detachably fixing and mounting the first pulsator and the second pulsator by the release structure, the user can easily and quickly attach and detach the first pulsator. Therefore, the user can wash the clothes using the first pulsator and / or the second pulsator according to the material condition of the clothes to be actually washed.

3. 3. By installing the above-mentioned pulsator structure, the washing machine can remove the first pulsator according to the needs of the user, and the smooth second pulsator can softly wash clothes such as wool and silk. As a result, the washing machine has a washing function for clothes such as wool and silk, so that the functionality and applicable range of the washing machine are expanded.

4. All the reinforcing ribs of the pulsator structure are provided under the second pulsator, and the first pulsator is not provided with the reinforcing ribs. Therefore, the pulsator structure of the present invention merely increases the thickness of the plate material of the second pulsator in terms of overall height as compared with the prior art. Therefore, the improved pulsator structure not only has a function for soft-washing clothes, but also does not increase the height of the pulsator structure and does not affect the washing capacity of the washing machine.

Further, the present invention has a simple structure, a remarkable effect, and is suitable for widespread use.

FIG. 1 is a diagram showing a structure of a washing machine in the prior art. FIG. 2 is a diagram showing a structure of a washing machine equipped with a first pulsator and a second pulsator according to an embodiment of the present invention. FIG. 3 is a diagram showing the structure of a washing machine equipped with only the first pulsator according to the embodiment of the present invention. FIG. 4 is a diagram showing a configuration of a pulsator structure according to an embodiment of the present invention. FIG. 5 is an exploded view of the pulsator structure in the embodiment of the present invention. FIG. 6 is a diagram showing the structure of the second pulsator in the embodiment of the present invention. FIG. 7 is a diagram showing a structure of the second pulsator according to the embodiment of the present invention as viewed from another viewpoint. FIG. 8 is a cross-sectional view of the pulsator structure according to the embodiment of the present invention.

Hereinafter, the present invention will be described in more detail in combination with examples.

As shown in FIGS. 2 to 8, in the embodiment of the present invention, a washing machine including an outer tub 200 and an inner tub 100 will be described. A pulsator structure 300 is mounted on the inner tank 100, and a motor 400 is mounted on the bottom of the outer tank 200. The motor shaft 3 of the motor 400 penetrates the bottom of the outer tank and the bottom of the inner tank in order. The insertion end of the motor shaft 3 is meshed and connected to the center of the bottom of the pulsator structure 300. As a result, the pulsator structure 300 is rotationally driven to agitate the clothes and water in the inner tank 100, causing friction between the clothes and the water, thereby achieving the purpose of washing clothes.

In an embodiment of the present invention, the pulsator structure 300 includes a first pulsator 1 and a second pulsator 2 that are vertically and detachably connected to each other. The first pulsator 1 is mounted above the second pulsator 2. At least one protruding rib 18 is provided on the upper surface of the first pulsator 1 so as to project upward to wash clothes. The upper surface of the second pulsator 2 is a smooth surface.

During normal washing of the washing machine, the first pulsator is assembled to the second pulsator, and the first pulsator and the second pulsator are rotated together by a motor. As a result, the protruding ribs on the upper surface of the first pulsator violently agitate the water in the inner tank and the clothes, thereby improving the cleaning effect on general clothes. Further, when the washing machine soft-washes clothes such as wool and silk, the motor rotates only the second pulsator by removing the first pulsator. As a result, the smooth upper surface of the second pulsator slightly gently agitates the water in the inner tub and the clothes, thereby avoiding the entanglement of the clothes, and as a result, the wear of the clothes in the washing process of the washing machine is reduced. ..

According to the pulsator structure provided as described above, the user can wash clothes by material by using pulsator surfaces having different smoothness as needed. As a result, the purpose of soft-cleaning clothes made of materials such as wool and silk by using the pulsator structure can be achieved.

As shown in FIG. 5, in this embodiment, the pulsator structure 300 includes a first pulsator 1 and a second pulsator 2 that are vertically and detachably connected to each other.

As shown in FIG. 4, in this embodiment, the lower surface of the first pulsator 1 and the upper surface of the second pulsator 2 are brought into close contact with each other in order to reduce the gap between the first pulsator 1 and the second pulsator 2 as much as possible. Is provided. As a result, the total height of the pulsator structure 300 is reduced, and the volume occupied by the pulsator in the inner tank 100 is reduced.

As shown in FIG. 6, in the present embodiment, the first pulsator 1 and the second pulsator 2 each have a plurality of water passage holes 10 penetrating vertically. The water passage holes 10 of the second pulsator 2 are uniformly arranged on the plurality of spiral windings. Each spiral is arranged symmetrically with respect to the center of the second pulsator. The spiral winding is a curve that gradually separates from the radial line of any of the second pulsators from the center of the second pulsator toward the outer circumference. Moreover, the curvature of the curve gradually expands from the center toward the outer circumference. Preferably, the water passage hole 10 penetrates both the upper and lower sides of the second pulsator 2. As a result, the washing water in the lower part of the second pulsator 2 is sucked up to the upper part of the second pulsator 2 by the action of the centrifugal force of the rotating pulsator, and is sprayed on the clothes and the water stream in the inner tank 100 to be agitated. ..

By arranging the water passage holes on the second pulsator along the spiral winding, the water flow flowing out from the water passage holes is ejected outward in a divergent manner in the rotation process of the second pulsator. As a result, the stirring strength of the pulsator with respect to the water flow in the inner tub is improved, so that the purpose of improving the cleaning effect of the washing machine can be achieved.

As shown in FIG. 7, in the present embodiment, a plurality of reinforcing ribs 15 projecting downward are provided on the lower surface of the second pulsator 2. Since each reinforcing rib 15 is arranged symmetrically with respect to the center of the pulsator, the overall strength of the second pulsator is improved. Further, since the first pulsator is mounted so as to be in close contact with the upper side of the second pulsator, the entire pulsator structure after mounting is supported by the lower second pulsator. Therefore, the support rib provided on the second pulsator effectively supports the first pulsator, and the supporting force and the torsional strength of the first pulsator are strengthened.

As shown in FIG. 4, in the present embodiment, a first cleaning projecting rib 8 projecting upward is provided at the center of the first pulsator 1. Further, on the upper surface of the first pulsator 1, a plurality of second cleaning protruding ribs 9 extending in the radial direction and arranged symmetrically with respect to the center are provided. A plurality of water passage holes 10 are provided in the first pulsator between the adjacent second cleaning protrusion ribs 9, and the water passage holes 10 penetrate the upper and lower sides of the first pulsator 1. Preferably, each water passage hole 10 on the first pulsator 1 is arranged symmetrically with respect to the center.

The upper surface of the first pulsator is provided with a cleaning protruding rib that extends from the center toward the outer circumference and projects upward. Therefore, it is possible to obtain the effect that the cleaning protruding rib strongly agitates and cleans the water in the inner tank by the rotation of the first pulsator. In addition, the first pulsator is provided with a plurality of water passage holes that are vertically penetrated. As a result, the washing water below the pulsator is sucked up by the action of centrifugal force in the rotation process of the pulsator structure, and in this order, it is inside the inner tank above the pulsator via the water passage holes of the second pulsator and the water passage holes of the first pulsator. Inflow to. Then, it is agitated by being sprayed on the clothes in the inner tank.

As shown in FIGS. 5 and 8, in this embodiment, the pulsator structure 300 includes a first pulsator 1 and a second pulsator 2 that are vertically and detachably connected to each other. The first pulsator 1 and the second pulsator 2 are fixedly connected by a quick release structure. By detachably fixing and mounting the first pulsator and the second pulsator by the release structure, the user can easily and quickly attach and detach the first pulsator. Therefore, the user can wash the clothes using the first pulsator and / or the second pulsator according to the material condition of the clothes to be actually washed.

As shown in FIG. 4, in the present embodiment, a mounting projection 11 projecting upward is provided at the center of the second pulsator 2, and a first cleaning projecting rib 8 is provided at the center of the first pulsator 1. Has been done. The inside of the first cleaning protrusion rib 8 is hollow so as to form a mounting insertion groove into which the mounting protrusion 11 is inserted. At the tip of the mounting protrusion 11 or the tip of the first cleaning protrusion rib 8, a decorative lid 4 having a smooth upper surface is provided so that the central upper surface of the pulsator is smooth. Preferably, the tip of the first cleaning protrusion rib 8 is a through hole, and the tip of the mounting protrusion 11 is a removable decorative lid 4. As a result, the decorative lid shields the fixing bolt 17 that meshes the second pulsator with the motor shaft, and can prevent the situation where the bolt is caught by the clothes in the inner tank and is damaged. Further, in this embodiment, the upper surface of the second pulsator 2 is a smooth flat surface from the mounting projection 11 to the outer circumference.

In this embodiment, the quick release structure may be any quick release structure in the prior art. The quick release structure may be capable of achieving the objectives of fixed mounting and quick removal of the first pulsator and the second pulsator. Preferably, as shown in FIG. 8, the quick release structure used in this embodiment specifically has the following structure.

In this embodiment, the second pulsator 2 is further provided with a mounting sleeve 12 that is fixedly mounted on the motor shaft 3 of the washing machine. The mounting sleeve 12 is provided in a hollow region inside the mounting protrusion 11. Preferably, the mounting sleeve 12, the mounting protrusion 11, and the second pulsator 2 are integral members. A certain gap is provided between the outer wall of the mounting sleeve 12 and the inner wall of the mounting protrusion 11 so that the quick release structure can be mounted.

In this embodiment, the mounting protrusion 11 is provided with at least one engaging stud 5 that extends outward along the radial direction of the mounting protrusion 11. The engaging stud 5 is attached to the second pulsator 2 so as to be movable in the axial direction via the spring 16. The first pulsator 1 is provided with an engaging hole 6 into which the engaging stud 5 is engaged and inserted. Preferably, the mounting projection 11 is provided with two engaging studs 5 that are provided so as to face each other. As a result, the mounting points of the first pulsator 1 and the second pulsator 2 become two engaging studs 5 that are symmetrical to each other, so that the assembly of the first pulsator 1 and the second pulsator 2 becomes firm. Further, the user can quickly and easily attach / detach the first pulsator and the second pulsator by pressing the engaging stud 5 with both hands.

In this embodiment, a quick release groove 7 is provided on the upper surface of the first pulsator 1, and the quick release groove 7 communicates with the engagement hole 6. Therefore, the user inserts a hand or a tool into the engaging hole 6 through the quick release groove 7 and touches the engaging stud 5, thereby applying an external force to the engaging stud 5 and contracting the engaging stud 5 inward. It can be moved so as to be pushed out from the engagement hole 6. Preferably, the quick release groove 7 is provided at the lower edge portion of the mounting protrusion 11, and the side wall of the quick release groove 7 and the bottom wall of the engagement hole 6 are located on the same slope. The slope is gradually inclined with respect to the vertical surface in a direction away from the center of the pulsator so that the engaging stud 5 contacts the lowermost end of the bottom surface of the engaging hole 6. Further, the user inserts a hand or a tool into the engaging hole 6 from the quick release groove 7 and touches the bottom of the engaging stud 5, thereby applying an acting force F2 in the same direction as the slope to engage the engaging stud 5. It can be extruded from the joint hole 6. Preferably, at least a portion of the bottom surface of the engaging hole 6 near the lowermost end is a vertical surface so that the contact area between the engaging stud 5 and the engaging hole 6 is expanded and the reliability of assembly is improved. There is.

In this embodiment, the engaging stud 5 is horizontally provided in the gap between the mounting protrusion 11 and the mounting sleeve 12. The first end of the engaging stud 5 is in contact with the outer wall of the mounting sleeve 12 via a spring 16 so as to be position-controlled. Preferably, the spring 16 is fixed to the mounting sleeve 12. A position regulating rib 19 projecting in the radial direction is provided at the center of the engaging stud 5. Both ends of the spring 16 are in contact with the position-regulating rib 19 and the outer wall of the mounting sleeve 12 so as to be position-regulated, and are mounted between them in an extended state. Further, the second end of the engaging stud 5 penetrates the mounting protrusion 11 and comes into contact with the position regulating rib 19 so as to be position-regulated on the inner wall of the mounting protrusion 11. The second end of the engaging stud 5 is located outside the mounting projection 11 and is extendably inserted into the engaging hole 6 of the first pulsator 1. Therefore, the user can quickly attach / detach the first pulsator and the second pulsator by using the quick release structure composed of the engaging stud 5.

In this embodiment, at least one positioning protrusion 14 is provided on the upper surface of the second pulsator 2. The lower surface of the first pulsator 1 is provided with a positioning groove 13 that is engaged and inserted so as to have a one-to-one correspondence with the positioning protrusion 14. Preferably, the positioning projection 14 is provided near the outer periphery of the second pulsator. More preferably, the portion of the second pulsator near the outer circumference is provided with four positioning protrusions 14 that are provided symmetrically with respect to the center and extend along an arc curve.

When the first pulsator 1 is mounted, the user simply applies a downward acting force F to the first pulsator 1 after aligning the positioning groove 13 of the first pulsator 1 and the positioning protrusion 14 of the second pulsator 2. Good. As a result, the inner wall of the first cleaning protruding rib 8 moves the engaging stud 5 so as to elastically compress it inward. Then, when the first pulsator 1 moves downward until it comes into close contact with the second pulsator 2, the engaging stud 5 is pushed out by the action of the spring 16 until it engages with the engaging hole 6. As a result, the first pulsator 1 and the second pulsator 2 are fixedly mounted.

When the user removes the first pulsator 1, the user enters the engaging hole 6 from the quick release groove 7 and applies an external force F2 to the engaging stud 5, so that the engaging stud 5 is engaged with the engaging hole by the action of the external force. All you have to do is exit from 6. As a result, the first pulsator 1 and the second pulsator 2 can be removed by separating the first pulsator 1 from the second pulsator 2 and then pulling the first pulsator 1 upward.

As shown in FIGS. 2 and 3, in this embodiment, a multifunctional washing machine in which the pulsator structure 300 according to any one of Examples 1 to 3 is mounted on the inner tub 100 of the washing machine will be described. The second pulsator 2 of the pulsator structure 300 is meshed and connected so as to be fixed to the motor shaft 3 in the motor 400 of the washing machine.

In this embodiment, the mounting sleeve 12 of the second pulsator 2 is fitted to the outside of the motor shaft 3 so that the second pulsator 2 and the motor shaft 3 are fitted to each other. Further, the upper end of the mounting sleeve 12 is provided so as to be hermetically sealed. The fixing bolt 17 penetrates the mounting sleeve 12 from top to bottom and meshes with the motor shaft 3, so that the second pulsator 2 and the motor shaft 3 mesh with each other and are fixed to each other. As a result, the second pulsator 2 can be rotated by the motor 400 of the washing machine, and the second pulsator 2 can rotate the first pulsator 1 to be mounted together.

In this embodiment, the pulsator structure 300 configured as described above is mounted in the washing machine. Therefore, the user can attach the first pulsator 1 to the second pulsator 2 as needed, or remove the first pulsator and leave only the second pulsator 2 in the inner tank 100.

As shown in FIG. 2, when a washing machine normally cleans general clothes, the first pulsator is assembled to the second pulsator, and the first pulsator and the second pulsator are rotated together by a motor. 1 Bring the upper surface of the pulsator into contact with the clothing in the inner tank. Then, the water and clothing in the inner tank are relatively violently agitated by the protruding ribs on the upper surface of the first pulsator and the water flow ejected from the water passage holes of the first pulsator, thereby generating a strong water flow and general in the inner tank. Wash clothes.

As shown in FIG. 3, when the washing machine soft-washes clothes such as wool and silk, the first pulsator is removed and only the second pulsator is rotated by a motor, so that the smooth upper surface of the second pulsator is smoothed. And the clothes in the inner tank are brought into contact with each other. Then, the smooth upper surface of the second pulsator and the water flow ejected from the water passage hole of the second pulsator relatively gently agitate the water and clothes in the inner tank to avoid entanglement of clothes and the washing machine. Reduces clothing wear during the cleaning process.

By installing the above-mentioned pulsator structure, the washing machine can remove the first pulsator according to the needs of the user and soft-wash clothes such as wool and silk with the smooth second pulsator. As a result, the washing machine has a washing function for clothes such as wool and silk, so that the functionality and applicable range of the washing machine are expanded.

As a difference from the above embodiment, in this embodiment, the second pulsator is mounted above the first pulsator. The upper side of the first pulsator is detachably connected to the second pulsator via a quick release structure. Further, the lower side of the first pulsator is connected so as to mesh with the motor shaft of the motor of the washing machine (not shown).

Similarly, in the pulsator structure provided as described above, the user can wash clothes by material by using pulsator surfaces having different smoothness as needed. Therefore, the purpose of soft-washing and normal-washing clothes can be achieved by the pulsator structure.

During normal washing of the washing machine, the second pulsator is removed and only the first pulsator is rotated by a motor. As a result, the protruding ribs on the upper surface of the first pulsator violently agitate the water in the inner tank and the clothes, thereby improving the cleaning effect on general clothes. When the washing machine soft-washes clothes such as wool and silk, the second pulsator is assembled to the first pulsator, and the first pulsator and the second pulsator are rotated together by a motor. Then, the smooth upper surface of the second pulsator slightly gently agitates the water and clothes in the inner tub to avoid entanglement of clothes and reduce wear of clothes in the washing process of the washing machine.

The implementation schemes of the above embodiments can be further combined or replaced. In addition, the examples merely describe preferred examples of the present invention, and do not limit the concept and scope of the present invention. Various modifications and improvements made by those skilled in the art with respect to the technical plan of the present invention, on the premise that the design concept of the present invention is not deviated, are all within the scope of protection of the present invention.

1 1st pulsator 2 2nd pulsator 3 Motor shaft 4 Decorative lid 5 Engagement stud 6 Engagement hole 7 Quick release groove 8 1st cleaning protruding rib 9 2nd cleaning protruding rib 10 Water flow hole 11 Mounting protrusion 12 Mounting sleeve 13 Positioning Groove 14 Positioning protrusion 15 Reinforcing rib 16 Spring 17 Fixing bolt 18 Protruding rib 19 Position regulation rib 100 Inner tank 200 Outer tank 300 Washer structure 400 Motor

Claims (11)

A first pulsator (1) and a second pulsator (2) that are detachably connected are included, and the upper surface of the first pulsator (1) has at least one protruding rib (18) that protrudes upward to wash clothes. Is provided, and the upper surface of the second pulsator (2) is a smooth surface .
A mounting projection (11) projecting upward is provided at the center of the second pulsator (2).
At least one engaging stud (5) extending outward along the radial direction of the mounting protrusion (11) is mounted on the mounting protrusion (11), and the engaging stud (5) is mounted. Is attached to the second pulsator (2) so as to be movable in the axial direction via a spring (16), and the engaging stud (5) is engaged and inserted into the first pulsator (1). A pulsator structure characterized in that an engaging hole (6) is provided. The pulsator structure according to claim 1, wherein the first pulsator (1) and the second pulsator (2) each have a plurality of water passage holes (10) penetrating vertically. The second water passage hole of the pulsator (2) (10) is uniformly disposed on a plurality of spirals, each spiral is disposed symmetrically relative to the center of the second pulsator (2) The pulsator structure according to claim 2, wherein the pulsator structure is characterized in that. A first cleaning protruding rib (8) projecting upward is provided at the center of the first pulsator (1), and the upper surface of the first pulsator (1) extends radially and with respect to the center. A plurality of second cleaning protruding ribs (9) arranged symmetrically are provided.
The first pulsator (1) between the adjacent second cleaning protruding ribs (9) is provided with a plurality of water passage holes (10), and the water passage holes (10) are above and below the first pulsator (1). pulsator structure according to claim 2, characterized in that extending through both sides. The pulsator structure according to claim 4, wherein each water passage hole (10) of the first pulsator (1) is arranged symmetrically with respect to the center of the pulsator. The lower surface of the first pulsator (1) is provided so as to be in close contact with the upper surface of the second pulsator (2), or the upper surface of the first pulsator (1) is provided so as to be in close contact with the lower surface of the second pulsator (2). The pulsator structure according to any one of claims 1 to 5, wherein the pulsator structure is characterized. A first cleaning protrusion rib (8) is provided at the center of the first pulsator (1), and a mounting projection (11) is correspondingly inserted into the inside of the first cleaning protrusion rib (8). It is hollow and
The tip of the mounting protrusion (11) or the tip of the first cleaning protrusion rib (8) is provided with a decorative lid (4) having a smooth upper surface so that the central upper surface of the pulsator is smooth . The pulsator structure according to claim 6. A quick release groove (7) is provided on the upper surface of the first pulsator (1), and the user applies an external force from the quick release groove (7) to the engaging stud (5) to apply an external force to the engaging stud (5). ) Is moved inward and pushed out of the engaging hole (6) so that the quick release groove (7) communicates with the bottom of the engaging hole (6). The pulsator structure according to 7. At least one positioning protrusion (14) is provided on the upper surface of the second pulsator (2), and the lower surface of the first pulsator (1) has a one-to-one correspondence with the positioning protrusion (14). pulsator structure according to claim 8, wherein a positioning groove which is engaged and挿接(13) is provided. The pulsator structure according to claim 9, wherein the positioning projection (14) is provided near the outer periphery of the second pulsator (2). A washing machine characterized in that the pulsator structure (300) according to any one of claims 1 to 10 is mounted on the inner tub (100).

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