CN115679600A

CN115679600A - Impeller structure of washing machine

Info

Publication number: CN115679600A
Application number: CN202211300139.9A
Authority: CN
Inventors: 赵红波; 赵梓辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-02-03

Abstract

The invention belongs to the technical field of washing machines, and particularly relates to a washing machine impeller structure which comprises an impeller disc, wherein a water inlet is coaxially formed in the middle of the impeller disc, a plurality of stirring ribs, preferably four stirring ribs, are uniformly and annularly arranged on the impeller disc at the periphery of the water inlet at intervals, a plurality of filtering holes are formed in each stirring rib, an installation disc is arranged below the water inlet and fixedly connected with the impeller disc through a support frame, a sewage discharge port is formed between the installation disc and the impeller disc, a one-way valve plate which can be opened only outwards is arranged on the sewage discharge port, and an impeller installation hole is coaxially and fixedly formed in the middle of the installation disc. The impeller of the washing machine is simpler in structure, can be integrally cast and molded, reduces the processing difficulty, improves the production efficiency and reduces the labor cost; the sewage discharge and the water discharge are smoother, the washing water circulation filtering and purifying effect is improved, the backwashing self-cleaning function of filtering dirt is realized, and the problem that the washing machine stores the dirt and the dirt is thoroughly solved.

Description

Impeller structure of washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to a pulsator structure of a washing machine.

Background

The full automatic washing machine is mainly classified into a pulsator washing machine and a drum washing machine. A large amount of residual flock is collected after clothes are washed in a filter box of the pulsator washing machine, bacteria are easy to breed if the residual flock is not cleaned in time, the labor amount is increased, and meanwhile the safety of clothes and the health of human bodies are affected. In order to solve the problem, research and development personnel design a self-cleaning filtering impeller, such as an impeller structure of a washing machine disclosed in the prior patent CN217556509U, but in the impeller structure provided by the patent, an impeller panel, an impeller back plate and an annular guide plate are all separately cast and molded and then combined and assembled together, the impeller structure is complex, and particularly the annular guide plate has certain difficulty in actual production and manufacturing; in addition, the caliber of a sewage discharge outlet is small, sewage discharge is not smooth enough, the area between the impeller panel and the impeller back plate is relatively closed, and the hidden danger of storing the sewage and the dirt still exists.

Disclosure of Invention

In view of the above situation, the invention provides a pulsator structure of a washing machine, which is simple in structure and integrally cast and formed, simplifies the production process of the pulsator, reduces the processing difficulty of the pulsator, and solves the problem that dirt is stored and taken in the inner area of the pulsator.

In order to realize the purpose, the invention adopts the following technical scheme:

the utility model provides a washing machine impeller structure, includes the impeller dish, and the water inlet has coaxially been seted up at the middle part of impeller dish, even spacer ring is equipped with a plurality of stirring beads on the impeller dish of water inlet periphery, preferably four stirring beads, has seted up a plurality of filtration pore on every stirring bead, the water inlet below is provided with the mounting disc, the mounting disc passes through support frame and impeller dish fixed connection to be provided with the drain between mounting disc and the impeller dish, be provided with the check valve plate that only can open to the outside on the drain, the mounting disc middle part is coaxial to be set firmly the impeller mounting hole.

Furthermore, the wave wheel disc is a disc with an open bottom, the periphery of the disc is provided with an annular cofferdam, the wave wheel disc, the mounting disc, the supporting frame and the stirring ribs are preferably integrally cast and molded by plastics, and the wave wheel disc, the mounting disc, the supporting frame and the stirring ribs are not required to be combined and assembled, so that the production flow is simplified, the processing efficiency is improved, and the labor cost is saved.

Furthermore, hemispherical bulges are coaxially arranged in the middle of the mounting disc, the bulges are arranged in the water inlet, the impeller mounting holes are positioned in the centers of the bulges, a plurality of reinforcing ribs are radially and fixedly arranged in the hollow cavities in the bulges, and spline grooves used for being matched with and connected with the impeller power shaft are arranged in the impeller mounting holes.

Furthermore, the mounting disc is a regular polygon plate, preferably a square, the support frame is composed of a plurality of guide vanes which are uniformly distributed in an annular shape, each guide vane is fixedly connected between the wave wheel disc and the mounting disc, the wave wheel disc is supported above the mounting disc in an empty mode, a plurality of sewage outlets are correspondingly formed between multiple edges of the mounting disc and the lower surface of the wave wheel disc, and one-way valve plates are correspondingly arranged on the sewage outlets respectively.

Furthermore, reinforcing columns are further arranged between the plurality of corners of the mounting disc and the impeller disc and mainly play a role in connection and reinforcement between the impeller disc and the mounting disc, partition plates are correspondingly and fixedly arranged between the reinforcing columns and the cofferdam of the impeller disc and divide the space below the impeller disc into a plurality of relatively independent sewage outlets, and meanwhile, the partition plates also play a role in stirring and water stirring when the impeller disc rotates.

Further, each one-way valve plate top both sides outwards extend and are provided with the axis of rotation, correspond on each reinforcement post and offer and be used for holding each the mounting groove of axis of rotation, each axis of rotation is the activity relatively and is pegged graft in each mounting groove, the base of one-way valve plate corresponds the conflict of can opening and shutting with each border of mounting disc for one-way valve plate can only use its top axis of rotation as the fulcrum, the outside upset of bottom is one-way opened, and can not inwards overturn, when not discharging water, one-way valve plate leans on gravity to rotate and closes, prevent rivers and filth backflow, preferably, one-way valve plate and axis of rotation also are the integrative casting of plastics.

The invention also comprises other components which can be normally used, and the components are conventional means in the field, and devices or components which are not limited in the invention, such as a power shaft of a wave wheel, a stirring rib and the like, adopt the prior art in the field.

The invention has the following beneficial effects:

compared with the impeller structure provided by the prior patent CN217556509U, the impeller structure of the washing machine avoids an impeller back plate, solves the problem that dirt is hidden and contained in the area between an impeller panel and the impeller back plate, has a simpler structure, realizes integrated casting molding of all the other parts of the impeller except that a one-way valve plate needs to be processed and assembled separately, greatly simplifies the assembly process of the impeller, reduces the processing difficulty of the impeller, is beneficial to improving the production efficiency of the impeller of the washing machine, reduces the labor workload and reduces the labor cost; simultaneously, the impeller structure that this application provided also belongs to automatically cleaning and filters the impeller, and its drain is bigger relatively, more open, and blowdown, drainage are more smooth and easy, are favorable to improving the laundry water circulation filtration purifying effect to the filth that the impeller filtered off can realize the automatically cleaning along with the drainage, avoids needing artificial cleaning's trouble.

Drawings

Fig. 1 is a schematic top view angle perspective view of a pulsator structure of a washing machine in an embodiment.

Fig. 2 is a schematic bottom perspective view of a pulsator structure of a washing machine according to an embodiment.

Fig. 3 is a perspective view of the pulsator structure of the washing machine of fig. 2 without a check valve plate.

In the figure: 1. a wave wheel disc; 2. a water inlet; 3. stirring ribs; 4. a protrusion; 5. a filtration pore; 6. mounting a disc; 7. a support frame; 8. a sewage draining port; 9. a check valve plate; 10. an impeller mounting hole; 11. cofferdam; 12. reinforcing ribs; 13. a spline groove; 14. reinforcing columns; 15. a partition panel; 16. and (4) mounting the groove.

Detailed Description

The technical solutions of the present invention will be described below clearly and completely in conjunction with specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments.

It should be noted that the terms "upper", "lower", "inner", "outer", etc. indicate orientations and positional relationships based on drawings, and are used for convenience of description.

Examples

As shown in fig. 1-3, a washing machine impeller structure, including impeller dish 1, the middle part of impeller dish has coaxially seted up water inlet 2, it is the cross on the impeller dish of water inlet periphery and is provided with four stirring bead 3, it crosses filtration pore 5 to have seted up a plurality of on every stirring bead, the water inlet below is provided with mounting disc 6, the mounting disc passes through support frame 7 and impeller dish fixed connection, and be provided with drain 8 between mounting disc and the impeller dish, be provided with the one-way valve plate 9 that only can open to the outside on the drain, the coaxial impeller mounting hole 10 that has set firmly in mounting disc middle part.

The impeller disc is a disc with an opening at the bottom, an annular cofferdam 11 is arranged on the periphery of the disc, and the impeller disc, the mounting disc, the supporting frame and the stirring convex edges are integrally molded by plastic in a casting mode.

The coaxial hemispherical arch 4 that is provided with in the middle part of the mounting disc, inside the water inlet was arranged in to the arch, impeller mounting hole was located bellied center, and the radial a plurality of strengthening ribs 12 that have set firmly in the bellied inside hollow cavity, the impeller mounting hole is provided with the spline groove 13 that is used for the cooperation to connect the impeller power shaft.

The mounting disc is a square plate, the support frame is composed of a plurality of guide vanes which are uniformly distributed in an annular mode, each guide vane is fixedly connected between the impeller disc and the mounting disc, the impeller disc is supported above the mounting disc in an empty mode, four drain outlets are correspondingly arranged between the four edges of the mounting disc and the lower surface of the impeller disc, and one-way valve plates are correspondingly arranged on the drain outlets respectively.

Reinforcing columns 14 are further arranged between the four corners of the mounting plate and the impeller plate, and partition plates 15 are correspondingly and fixedly arranged between the reinforcing columns and the cofferdam of the impeller plate.

Each one-way valve plate top both sides outwards extend and are provided with the axis of rotation, correspond on each reinforcement post and offer and be used for holding each the mounting groove 16 of axis of rotation, each axis of rotation activity is pegged graft in each mounting groove correspondingly, and one-way valve plate and axis of rotation also adopt plastics integrated casting shaping.

The working principle of the invention is as follows:

the impeller structure is rotatably arranged at the bottom of a washing bucket of the washing machine, when washing, washing water in the washing bucket is rotationally stirred by the impeller, the washing water is thrown out from each filtering hole of the impeller and returns to the washing bucket under the action of centrifugal force, dirt such as flock in the washing water is filtered and trapped below the impeller, meanwhile, a certain negative pressure is formed at a water inlet of the impeller to promote the washing water to be continuously sucked into the water inlet, and the washing water is filtered and purified by repeated circulation; in the washing process, the impeller rotates forwards, reversely and starts and stops alternately, and the one-way valve plate plays a role in preventing dirt trapped below the impeller from flowing backwards and flowing back to the washing barrel; after washing, when water is drained, the washing water in the washing bucket flows out from the water inlet and the filtering holes of the impeller respectively, meanwhile, the washing water is carried with the flock dirt trapped below the impeller and is discharged together, and therefore the reverse washing and self-cleaning function of the filtering holes of the impeller is achieved.

The technical solution of the present invention is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications within the spirit and principle of the present invention will fall within the protection scope of the present invention.

Claims

1. A washing machine impeller structure is characterized in that: including the impeller disc, the coaxial water inlet of having seted up in middle part of impeller disc, even spacer ring is equipped with a plurality of stirring beads on the impeller disc of water inlet periphery, has seted up a plurality of on every stirring bead and has filtered the hole, the water inlet below is provided with the mounting disc, the mounting disc passes through support frame and impeller disc fixed connection to be provided with the drain between mounting disc and the impeller disc, be provided with the one-way valve plate that only can open to the outside on the drain, the mounting disc middle part is coaxial to be set firmly the impeller mounting hole.

2. The pulsator structure for washing machines as claimed in claim 1, wherein: the impeller disc is a disc with an opening at the bottom, an annular cofferdam is arranged on the periphery of the disc, and all the stirring convex ribs, the supporting frame and the mounting disc are integrally formed with the impeller disc.

3. The pulsator structure for washing machines as claimed in claim 2, wherein: the impeller disc, the mounting disc, the supporting frame and the stirring ribs are all integrally molded by plastic in a casting mode.

4. The pulsator structure for washing machines according to claim 1, wherein: the impeller mounting structure is characterized in that hemispherical bulges are coaxially arranged in the middle of the mounting disc, the bulges are arranged in the water inlet, and the impeller mounting hole is positioned in the center of the bulges.

5. The pulsator structure for washing machines as claimed in claim 4, wherein: and a plurality of reinforcing ribs are radially and fixedly arranged in the bulges.

6. The pulsator structure for washing machines according to claim 2, wherein: the mounting disc is a regular polygon plate, the support frame is composed of a plurality of guide vanes which are uniformly distributed in an annular mode, and each guide vane is fixedly connected between the wave wheel disc and the mounting disc.

7. The pulsator structure for washing machines as claimed in claim 6, wherein: a plurality of sewage outlets are correspondingly arranged between the plurality of edges of the mounting disc and the lower surface of the impeller disc, and a one-way valve plate is correspondingly arranged on each sewage outlet.

8. The pulsator structure for washing machines according to claim 6, wherein: reinforcing columns are further arranged between the plurality of corners of the mounting disc and the impeller disc, and partition plates are correspondingly and fixedly arranged between each reinforcing column and the cofferdam of the impeller disc.

9. The pulsator structure for washing machines as claimed in claim 8, wherein: each one-way valve plate top both sides outwards extend and are provided with the axis of rotation, correspond on each reinforcement post and offer and be used for holding each the mounting groove of axis of rotation, each axis of rotation activity is pegged graft in each mounting groove correspondingly.

10. The pulsator structure for washing machines according to claim 1, wherein: and a spline groove for being matched and connected with a power shaft of the impeller is arranged in the impeller mounting hole.