CN115430505A

CN115430505A - Grinding assembly and kitchen waste disposer

Info

Publication number: CN115430505A
Application number: CN202211177411.9A
Authority: CN
Inventors: 李燕华; 王晓妮; 郑永发; 李志鑫; 孙百会
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-06

Abstract

The invention relates to a grinding assembly and a kitchen waste disposer. The grinding assembly includes: the cutter head structure comprises a cutter head and an outer grinding ring, the outer grinding ring and the cutter head form a grinding cavity, and a plurality of grinding knives protruding towards the grinding cavity are arranged on the peripheral wall of the outer grinding ring; the inner grinding ring is at least partially arranged in the grinding cavity and is divided into an inner grinding cavity and an outer grinding cavity, the grinding knife is positioned in the outer grinding cavity, and the peripheral wall of the inner grinding ring is further provided with a second discharge outlet. The food waste can be cut and ground for multiple times, and the food waste is treated more thoroughly.

Description

Grinding assembly and kitchen waste disposer

Technical Field

The invention relates to the technical field of kitchen waste treatment, in particular to a grinding assembly and a kitchen waste disposer.

Background

At present, with the push of garbage classification, urban kitchen garbage becomes a big problem of headache of people, and the kitchen garbage disposer solves a part of problems of people, so the garbage disposer is popular in the market.

The working principle of the traditional kitchen waste disposer is that the internal grinding mechanism is used for beating and impacting food residues to achieve a crushing effect, but the food residues with flexible long fibers and high toughness (such as corn leaves, fruit peels, vegetable leaves and the like) cannot be completely treated, and the food residues are accumulated in the disposer for a long time, so that the problems of processor blockage and pipeline blockage are easily caused.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a grinding assembly and a kitchen waste disposer.

The present invention provides an abrasive assembly comprising: a cutter head rotatable about an axis; the outer grinding ring is arranged on the cutter head, forms a grinding cavity together with the cutter head and can rotate along with the cutter head, and a plurality of grinding knives protruding towards the grinding cavity and a plurality of first discharge ports are arranged on the peripheral wall of the outer grinding ring; the inner grinding ring is at least partially arranged in the grinding cavity, a gap is formed between the peripheral wall of the outer grinding ring and the peripheral wall of the inner grinding ring, the grinding cutter is positioned in the gap, and the peripheral wall of the inner grinding ring is also provided with a plurality of second discharge ports corresponding to the first discharge ports.

In some embodiments, the second discharge opening is larger than the first discharge opening.

In some embodiments, the grinding knives extend vertically in an axial direction of the outer grinding ring.

In some embodiments, the second discharge opening extends through a lower edge of the inner grinding ring peripheral wall, having an opening facing the impeller; the first discharge port is located at the lower part of the peripheral wall of the outer grinding ring.

In some embodiments, the peripheral wall of the inner grinding ring is further provided with a plurality of third discharge openings, which are located above the second discharge openings.

In some embodiments, the second discharge opening and the third discharge opening are located within the grinding chamber.

In some embodiments, the upper edge of the inner grinding ring is provided with a bending part extending towards the radial outer side and used for being fixed on a shell of the garbage disposer.

In some embodiments, one or more breaking hammers are arranged on the cutter disc, and one end of each breaking hammer, which is close to the center of the cutter disc, is hinged to the cutter disc and can swing relative to the cutter disc.

In some embodiments, the inner grinding ring inner peripheral wall is provided with one or more protruding end knifes; the utility model discloses a cutter head swing state, including cutter head, cutting hammer, cutter head center, breach, the one end of quartering hammer keeping away from the cutter head center is provided with the breach, the breach is located found the sword below the quartering hammer for under the cutter head swing state, the breach pass through found the sword and with found sword cooperation cutting object.

In some embodiments, the cutter head is further provided with a limiting component, and the limiting component comprises a first limiting lug and a second limiting lug and is used for limiting the swinging stroke of the breaking hammer; still be provided with a plurality of relief holes on the blade disc, the relief hole is located in the swing stroke region of quartering hammer on the circumferencial direction of blade disc, first spacing lug with the spacing lug of second is located respectively the both sides of a plurality of relief holes.

In some embodiments, a vertical bar-shaped hole penetrating the thickness direction of the outer grinding ring peripheral wall is further arranged on the outer grinding ring peripheral wall, and the vertical bar-shaped hole is adjacent to the grinding knife.

The present invention also provides a kitchen waste disposer, including: the grinding assembly of any of the preceding embodiments.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

according to the invention, the grinding gap is formed by matching the outer grinding ring and the inner grinding ring, the grinding cutter protruding out of the grinding gap is arranged on the inner wall of the outer grinding ring, in the process that the outer grinding ring rotates relative to the inner grinding ring along with the cutter head, food residues discharged through the second discharge port of the inner grinding ring enter the grinding gap and are cut by the grinding cutter, and a part of residues after grinding treatment are squeezed back (pushed back) into the inner grinding ring through the second discharge port by the grinding cutter, so that the grinding and crushing times are increased, and the food residues are treated more thoroughly.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a top view of an abrasive assembly according to an exemplary embodiment of the present disclosure;

FIG. 2 is a front view of an abrasive assembly according to an exemplary embodiment of the present disclosure;

FIG. 3 is a cross-sectional view of an abrasive assembly shown in accordance with an exemplary embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating an inner grinding ring configuration in accordance with an exemplary embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating an outer grinding ring and impeller configuration in accordance with an exemplary embodiment of the present invention;

it should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In the description of the present invention, it should be noted that the terms "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the present invention provides a grinding assembly, which can be applied to a garbage disposer for cutting, pulverizing, grinding, etc. garbage.

The abrasive assembly of the present invention may comprise: a cutter head structure and an inner grinding ring 30. The cutter head structure comprises a cutter head 10 and an outer grinding ring 20, wherein the outer grinding ring 20 surrounds the periphery of the cutter head 10 and forms a grinding cavity with the cutter head 10.

The cutter head 10 is rotatable about an axis. The cutter head 10 is disc-shaped, and a mounting hole can be formed in the center of the cutter head and used for mounting a rotating shaft of the kitchen waste disposer and rotating along with the rotating shaft. The disc surface, for example, the upper surface of the cutter head 10 may be provided with a plurality of crushing assemblies, and in the high-speed rotation process of the cutter head 10, kitchen waste is treated by the crushing assemblies in a crushing, cutting, grinding and other modes.

The outer grinding ring 20 is arranged on the cutter head 10, forms a grinding cavity with the cutter head 10, and can rotate along with the cutter head 10. The outer grinding ring 20 has a peripheral wall with an upper opening and a lower opening, and the lower surface of the peripheral wall of the outer grinding ring can be fixed on the disk surface of the cutter head 10 to form a basin shape, so that the peripheral wall of the outer grinding ring and the cutter head 20 form a grinding cavity with an upper opening. The outer grind ring 20 may be welded or integrally formed with the cutter head 20. The peripheral wall of the outer grinding ring 20 is provided with a plurality of grinding blades 21 (shown in fig. 5) protruding towards the grinding chamber and a plurality of first discharge openings 22. The grinding blades 21 may be vertically disposed in the axial direction of the outer grinding ring 20 to form a vertical bar structure, and further, the height of the vertical bar structure may be the same as the height of the peripheral wall of the outer grinding ring 20, that is, the vertical bar grinding blades 21 vertically extend upward along the inner peripheral wall of the outer grinding ring 20. For example, four protruding vertical bar-shaped grinding knives 21 may be provided along the inner wall of the outer grinding ring 20 and equally spaced along the circumference of the outer grinding ring 20. A plurality of first discharge ports 22 may be provided at the bottom of the peripheral wall of the outer grinding ring 20 throughout the thickness direction (radial direction) thereof.

At least part of the inner grinding ring 30 is arranged in the grinding cavity, the grinding cavity is divided into an inner grinding cavity and an outer grinding cavity, a gap is formed between the peripheral wall of the outer grinding ring 20 and the peripheral wall of the inner grinding ring 30, the gap forms the outer grinding cavity, and the grinding cutter 21 is positioned in the gap. The inner grinding ring 30 can be fixed on the housing of the kitchen waste disposer and is a fixed part, the cutter head 10 is a movable part, and the rotation of the cutter head 10 drives the outer grinding ring 20 to rotate together relative to the inner grinding ring 30. The inner grind ring 30 has a circumferential wall, and an annular bent portion extending radially outward may be provided on the top surface (upper edge) of the circumferential wall of the inner grind ring 30, and the inner grind ring 30 may be fixed in the housing by the annular bent portion. The inner polishing ring 30 is nested in the outer polishing ring 20, and an annular gap is formed between the inner polishing ring 30 and the outer polishing ring 20. The peripheral wall of the inner grinding ring 30 is also provided with a plurality of second discharge ports 31 corresponding to the positions of the first discharge ports 22. Preferably, the second discharge opening 31 is larger than the first discharge opening 22.

When the cutter head 10 and the outer grinding ring 20 rotate together relative to the inner grinding ring 20, kitchen waste is crushed and cut by the crushing structure on the cutter head 10, the kitchen waste after being chopped is discharged from the second discharge port 31 of the inner grinding ring 30 under the action of the centrifugal force of the cutter head 20 and enters into an annular gap formed between the inner grinding ring 30 and the outer grinding ring 20, food residues in the annular gap are ground by the grinding knives 21 on the peripheral wall of the outer grinding ring 20 in a rotating state and the second discharge port 31 on the peripheral wall and the peripheral wall of the inner grinding ring 30 in a structural matching manner, because the second discharge port 31 is larger than the first discharge port 22, a part of the small food residues after being ground are discharged through the first discharge port 22 on the outer grinding ring 20, and the other part of the large food residues are pushed back (pushed back) into the inner grinding ring 30 by the grinding knives 21 protruding in the gap, and then the crushing structure on the cutter head 10 is further crushed and ground, so that the cutting and cutting times are lifted to more flexibly process the kitchen waste.

In some embodiments, the second discharge opening 31 extends through the lower edge of the peripheral wall of the inner grinding ring 30 and has an opening facing the cutter head 10, such as a U-shaped discharge opening. Correspondingly, the first discharge port 22 is located at a lower position of the peripheral wall of the outer grinding ring 20.

Further, the peripheral wall of the inner grinding ring 30 is also provided with a plurality of third discharge ports 32, and the third discharge ports 32 are located above the second discharge ports 31. The third discharge opening 32 may be a circular hole, and is circumferentially arranged along the inner grinding ring 30, and no discharge opening is provided at a position of the peripheral wall of the outer grinding ring 30 corresponding to the third discharge opening 32, so that food residue discharged from the third discharge opening 32 is blocked from flowing into an annular gap formed between the inner grinding ring 30 and the outer grinding ring 20 via the peripheral wall of the outer grinding ring 20, thereby being further ground by the grinding knives 21 on the inner peripheral wall of the outer grinding ring 20.

Further, the second and

third discharge openings

31, 32 may be located within the grind chamber to ensure that a majority of the food waste flowing from the second and

third discharge openings

31, 32 flows into the annular gap formed between the inner and

outer grind rings

30, 20.

In some embodiments, a vertical bar hole 23 is further formed on the peripheral wall of the outer grinding ring 20 and penetrates through the wall thickness direction of the outer grinding ring 20, and the vertical bar hole 23 is adjacent to the grinding blade 21. The width of the vertical bar-shaped hole 23 may be smaller than the width of the maximum opening position of the second discharge opening 31.

In some embodiments, one or more breakers 11 are disposed on the cutter disc 10, and one end of the breaker 11 near the center of the cutter disc 20 is hinged to the cutter disc 10 and can swing relative to the cutter disc 10 to break food waste. The hammer 11 may be swung with respect to the cutter head 10 by a centrifugal force generated when the cutter head 10 rotates, or may be swung by the food hitting the hammer 11 to crush the food waste.

Further, one or more protruding vertical knives 33 may be provided on the inner circumferential wall of the inner grinding ring 30; a notch 111 is provided at one end of the hammer 11 away from the center of the cutter head 10, the notch is located below the vertical knife 33, and when the hammer 11 swings relative to the cutter head 10, the notch 111 passes through the vertical knife 33 and cooperates with the vertical knife 33 to cut an object. The protruding vertical knife 33 is used to cut and pierce the food hit by the breaking hammer 11 and thrown to the inner wall of the inner grinding ring 30, and is used to cut and crush the food in cooperation with the notch 111 at the front end of the breaking hammer 11.

In some embodiments, the cutter head 10 is further provided with a limiting component, and the limiting component comprises a first limiting convex block 14 and a second limiting convex block 15, and is used for limiting the swinging stroke of the breaking hammer 11; the cutter head 10 is further provided with a plurality of discharge holes 13, the discharge holes 13 are located in the swing stroke area of the breaking hammer 11, and the first limiting convex blocks 14 and the second limiting convex blocks 15 are respectively located on two sides of the plurality of discharge holes 13 in the circumferential direction of the cutter head 10. The first limit projection 14 may be close to an edge of the cutter head 10, and the second limit projection 15 may be close to a center of the cutter head 10.

The invention also provides a kitchen waste disposer comprising the grinding assembly of any of the above embodiments.

The kitchen waste disposer comprises a shell, a grinding assembly is arranged in the shell, an inner grinding ring 30 is fixed on the shell, a cutter head 10 is arranged on a rotating shaft of the kitchen waste disposer, and the rotating shaft is driven by a driving motor to drive the cutter head 10 and an outer grinding ring 20 to rotate together.

It is further understood that the use of "a plurality" in this disclosure means two or more, and other terms are analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like, are used to describe various information and should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," etc. are used interchangeably throughout. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure.

It will be further appreciated that while operations are depicted in the drawings in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the scope of the appended claims.

Claims

1. An abrasive assembly, comprising:

the cutter head structure comprises a cutter head and an outer grinding ring which is connected to the periphery of the cutter head in a surrounding manner, the outer grinding ring and the cutter head form a grinding cavity, and one or more grinding cutters protruding towards the grinding cavity are arranged on the inner peripheral wall of the outer grinding ring;

the inner grinding ring is at least partially embedded into the grinding cavity and divides the grinding cavity into an inner grinding cavity and an outer grinding cavity, a gap between the peripheral wall of the outer grinding ring and the peripheral wall of the inner grinding ring forms the outer grinding cavity, the grinding cutter is positioned in the outer grinding cavity, and the peripheral wall of the inner grinding ring is also provided with a plurality of second discharge ports;

wherein, the blade disc structure can be relative interior grinding ring rotates, the blade disc structure is relative under interior grinding ring pivoted state, the grinding sword is used for with a plurality of the cooperation cutting of second bin outlet is ground the object in the external grinding intracavity will simultaneously the object in the external grinding intracavity is followed the second bin outlet pushes back extremely in the interior grinding chamber.

2. The grinding assembly of claim 1,

the peripheral wall of the outer grinding ring is also provided with a second discharge port, and the second discharge port is larger than the first discharge port.

3. The grinding assembly of claim 2,

the grinding knife vertically extends in the axial direction of the cutter head.

4. The grinding assembly of claim 2 or 3,

the second discharge port penetrates through the lower edge of the peripheral wall of the inner grinding ring and is provided with an opening facing the cutter head;

the first discharge port is located at the lower part of the peripheral wall of the outer grinding ring.

5. The grinding assembly of claim 4,

the peripheral wall of the inner grinding ring is further provided with a plurality of third material outlets, the third material outlets are located above the second material outlets, and the grinding cutters and the third material outlets are matched to cut and grind objects discharged from the third material outlets.

6. The grinding assembly of claim 5,

the second and third discharge openings are located in the grinding chamber.

7. The grinding assembly of claim 1,

the upper edge of the inner grinding ring is provided with a bending part extending towards the radial outer side, and the bending part is used for being fixed on a shell of the garbage disposer.

8. The grinding assembly of claim 1,

one or more breaking hammers are arranged on the cutter disc, and one ends of the breaking hammers, which are close to the center of the cutter disc, are hinged to the cutter disc and can swing relative to the cutter disc.

9. The grinding assembly of claim 8,

one or more protruding vertical cutters are arranged on the inner peripheral wall of the inner grinding ring;

the utility model discloses a cutter head swing state, including cutter head, cutting hammer, cutter head center, breach, the one end of quartering hammer keeping away from the cutter head center is provided with the breach, the breach is located found the sword below the quartering hammer for under the cutter head swing state, the breach pass through found the sword and with found sword cooperation cutting object.

10. The grinding assembly of claim 9,

the cutter head is also provided with a limiting component, and the limiting component comprises a first limiting lug and a second limiting lug and is used for limiting the swinging stroke of the breaking hammer;

still be provided with a plurality of relief holes on the blade disc, the relief hole is located in the swing stroke region of quartering hammer on the circumferencial direction of blade disc, first spacing lug with the spacing lug of second is located respectively the both sides of a plurality of relief holes.

11. The grinding assembly of claim 1,

the peripheral wall of the outer grinding ring is also provided with a vertical strip-shaped hole penetrating through the peripheral wall of the outer grinding ring in the thickness direction, and the vertical strip-shaped hole is close to the grinding knife.

12. A kitchen waste disposer, comprising:

the abrasive assembly of any one of claims 1-11.