CN218933331U - Grinding assembly and kitchen waste processor - Google Patents

Abstract

The utility model provides a grinding assembly and a kitchen waste processor, and belongs to the technical field of waste processors. The cutting knife comprises a central part and a blade, the central part is positioned at the rotation axis of the cutting knife, the blade extends out of the central part, and the blade is arranged at the periphery of the rotation axis; the blade includes a cutting portion having a cutting edge; in the axial direction of the rotation axis, the cutting portions of the plurality of blades are located at least two positions with a space therebetween, respectively. The grinding assembly comprises a shell, a grinding ring, a grinding disc and the cutter, wherein the grinding ring is fixedly arranged in the shell, the grinding disc and the cutter are rotatably arranged in the shell along the axis, the grinding disc is positioned at the inner periphery of the grinding ring, and the cutter is positioned below the grinding disc. The kitchen waste processor comprises the grinding assembly. The utility model solves the problem of fine treatment of long fiber food waste by increasing the cutting range of the cutting knife, and avoids the problem of water pipe blockage.

Description

Grinding assembly and kitchen waste processor

Technical Field

The utility model relates to the technical field of garbage disposers, in particular to a cutter capable of improving secondary treatment effect and improving treatment fineness of long-fiber food garbage, a grinding assembly comprising the cutter and a kitchen garbage disposer.

Background

The existing kitchen garbage disposer comprises a grinding assembly, the grinding assembly comprises a grinding ring, a grinding disc and a cutting knife, the grinding ring is fixedly arranged, the grinding disc and the cutting knife are rotatably arranged along an axle center and driven by the same motor, the grinding disc is located at the inner periphery of the grinding ring, a grinding cavity is formed above the grinding disc and at the inner periphery of the grinding ring, and the inner peripheral surface of the grinding ring and the upper side surface of the grinding disc are both provided with grinding and cutting structures facing the grinding cavity. The cutting knife is located the below of abrasive disc, and cutting knife below space and drainage channel intercommunication. Kitchen garbage firstly enters the grinding cavity and is treated by the grinding ring and the grinding and cutting structure on the grinding disc, then the garbage falls from the discharge gap between the grinding ring and the grinding disc and is subjected to secondary treatment by the cutting knife, and then the garbage falls and is brought into the discharge pipe by the water flow.

The problem that the existing kitchen garbage disposer has is that although the kitchen garbage disposer has the secondary crushing treatment effect, for some long-fiber food garbage, the simple cutting of the cutting knife is insufficient for fully cutting the long-fiber food garbage, and the problem of blockage of a sewer pipe still occurs.

Disclosure of Invention

The first object of the present utility model is to provide a cutter capable of performing multiple rotation cutting on long fiber food waste, which can improve the fineness of the long fiber food waste.

A second object of the present utility model is to provide a grinding assembly that improves the fineness of treatment of long fiber food waste.

The third object of the utility model is to provide a kitchen waste disposer for improving the fineness of treatment of long fiber food waste.

The cutting knife of the kitchen waste processor provided by the first object of the utility model comprises a central part and a blade, wherein the central part is positioned at the rotation axis of the cutting knife, the blade extends out of the central part, and the blade is arranged at the periphery of the rotation axis; the blade includes a cutting portion having a cutting edge; in the axial direction of the rotation axis, the cutting portions of the plurality of blades are respectively provided at different at least two positions.

According to the scheme, after the long fiber food waste is crushed for the first time by the grinding ring and the grinding disc, the long fiber food waste is sent to the lower part and is subjected to the second treatment by the cutting knife; because the cutting knife is provided with at least two layers of blades positioned at different height positions, the cutting knife has a larger cutting range in height, the contact probability with garbage in water flow is also improved, long fiber food garbage which is not fully cut is repeatedly and fully cut by the multi-layer blades under the kick of the water flow, kitchen garbage after being smashed can be brought to the upper surface of the grinding disc again by the kick water flow to be cut and ground again, and kitchen garbage finally becomes fine garbage and is flushed out. Therefore, the cutter solves the problem of the treatment fineness of long fiber food waste, and avoids the problem of water pipe blockage.

Further, the plurality of blades includes a second blade; the second blade extends between a first position and a second position in a bending way, and the first position and the second position are two different positions in the axial direction respectively; the connection part of the second blade and the central part is positioned at the first position, and the cutting part of the second blade is positioned at the second position.

In view of the above, the arrangement can make the connection between the plurality of blades and the central portion as close as possible in the axial direction, and the cutting portions of the plurality of blades are located at different positions in the axial direction by bending the blades. This arrangement facilitates the machining and also allows the central portion to have a smaller dimension in the axial direction, avoiding affecting the product volume.

Further, the plurality of blades further comprises a first blade, and the cutting part of the first blade is positioned above the cutting part of the second blade; the extending end of the first blade is farther from the rotation axis than the extending end of the second blade.

From the above, it is better that the blade located at the uppermost part extends along a straight line to have a longer dimension, so that the falling garbage can be ensured to complete a cut first.

Further, the first position is located above the second position, and the connection between the first blade and the central portion is located at the first position.

In this arrangement, the plurality of blades can be extended from the same position in the axial direction to the central portion, and the cutting portions of the plurality of blades are positioned at different positions in the axial direction by bending the blades. The arrangement ensures that the central part has smaller thickness, improves the compactness of the product mounting structure and is also beneficial to the miniaturization of the product.

Further, the blade includes an upturned portion at an extended end thereof, and the blade extends to the upturned portion.

Therefore, on the premise of arranging the multi-layer blades, the arrangement of the upturned part can further enlarge the cutting coverage of the cutting knife and further improve the contact probability with garbage.

Further, at least one pair of blades symmetrically arranged along the rotation axis is provided at the same position in the axial direction.

Therefore, the arrangement can improve the rotation stability of the cutter.

Further, in the rotation direction of the cutter, the front side and the rear side of the blade are provided with cutting edges.

Therefore, under the arrangement, the garbage can be cut no matter the cutter rotates positively or reversely, and the garbage can be cut more effectively by matching with the motor to control the forward and reverse rotation and the water inlet and drainage.

Further, on the projection in the axial direction, the plurality of blades are radially arranged on the periphery of the shaft center.

From the above, this setting can further improve the contact probability of blade and rubbish under the prerequisite of guaranteeing the rotation stability of cutting knife.

The grinding component provided by the second object of the utility model comprises a shell, a grinding ring, a grinding disc and a cutting knife, wherein the grinding ring is fixedly arranged in the shell, the grinding disc and the cutting knife are rotatably arranged in the shell along the axis, the grinding disc is positioned at the inner periphery of the grinding ring, and the cutting knife is positioned below the grinding disc; the cutting knife of the kitchen garbage processor is adopted as the cutting knife.

Further, the grinding assembly further comprises a drainage structure and a plugging device; the drainage structure is communicated with the shell, and the plugging device can move between a position for plugging the drainage structure and a position for opening the drainage structure.

According to the scheme, after the long fiber food waste is crushed for the first time by the grinding ring and the grinding disc, the long fiber food waste is sent to the lower part and is subjected to the second treatment by the cutting knife; because the cutting knife is provided with at least two layers of blades positioned at different height positions, the height of the cutting knife has a larger cutting range, and the contact probability with garbage in water flow is improved; further, by plugging the drainage structure by the plugging device, the water flow is in a billowing shape under the rotation of the grinding disc and the cutting knife, and long fiber food garbage which is not fully cut is repeatedly and fully cut by the multi-layer blades, and finally becomes fine garbage and is flushed out. Therefore, the utility model solves the problem of the treatment fineness of long fiber food waste and avoids the problem of water pipe blockage.

The kitchen waste processor provided by the third object of the utility model comprises the grinding assembly.

Drawings

Fig. 1 is a structural view of a first embodiment of the kitchen waste disposer of the present utility model.

Fig. 2 is a sectional view of a first embodiment of the kitchen waste disposer of the present utility model.

Fig. 3 is a top view of a cutter blade in a first embodiment of the kitchen waste disposer of the present utility model.

Fig. 4 is a structural view of a cutter blade in a first embodiment of the kitchen waste disposer in accordance with the present utility model.

Fig. 5 is a rotation view of the cutter blade of the first embodiment of the kitchen waste disposer of the present utility model.

Fig. 6 is a schematic view of a cutter blade of a second embodiment of the kitchen waste disposer of the present utility model.

Fig. 7 is a schematic view of a cutter blade of a third embodiment of the kitchen waste disposer of the present utility model.

Detailed Description

First embodiment of kitchen waste disposer

Referring to fig. 1 and 2, the kitchen waste disposer includes a housing 9, a grinding assembly, a motor (not shown), a drain structure 8, and a plugging device 7. The grinding component is arranged in the inner cavity of the shell 9, the motor is arranged below the shell 9, the output shaft of the motor passes through the bottom wall of the shell 9 from bottom to top and then is in transmission connection with the grinding component, the drainage structure 8 is communicated with the space 900 below the shell 9, and the plugging device 7 is used for opening the drainage structure 8. After the kitchen waste is poured into the shell 9 from the inlet above the shell 9, the kitchen waste is firstly ground and crushed in the grinding assembly, then flows down to the space below the grinding assembly, and is discharged through the drainage structure 8.

The grinding assembly of this embodiment comprises a grinding ring 1, a grinding disc 2 and a cutting blade 3 of the present utility model. The grinding ring 1 is fixedly arranged in a shell 9 of the kitchen garbage disposer, the grinding disc 2 is positioned at the inner periphery of the grinding ring 1, and the cutting knife 3 is positioned right below the grinding disc 2. The grinding disc 2 and the cutting blade 3 are arranged concentrically and the grinding disc 2 and the cutting blade 3 are rotatably arranged by being driven by an output shaft of a motor.

The grinding ring 1 is in a circular ring shape, the grinding ring 1 is fixedly arranged in a shell 9 of the kitchen garbage disposer, and the grinding ring 1 is provided with a first triangular blade 11 protruding from the inner peripheral surface of the grinding ring; the grinding disc 2 takes the shape of a disc, and the grinding disc 2 is driven by an output shaft of a motor and is rotatably arranged on the inner periphery of the grinding ring 1 along the axis. The grinding disk 2 has a second triangular blade 21 protruding from its upper side, and a grinding hammer 22 rotatably mounted on the upper side is provided on the grinding disk 2. A grinding chamber 100 is formed between the upper side of the grinding pan 2 and the inner periphery of the grinding ring 1, and after the kitchen waste enters the casing 9, the grinding chamber 100 is first ground and crushed by the first triangular blade 11, the second triangular blade 21, and the grinding hammer 22.

A discharge gap 200 penetrating up and down is formed between the outer circumferential surface of the grinding disc 2 and the inner circumferential surface of the grinding ring 1, and kitchen waste in the grinding cavity 100 is driven to centrifugally move due to the rotation of the grinding disc 2, so that kitchen waste subjected to the first grinding treatment in the grinding cavity 100 falls to the position of the cutter 3 through the discharge gap 200.

Referring to fig. 3 to 5, the cutter 3 is composed of a central portion 31 and four blades arranged in a cross shape. The central portion 31 is located at the rotation axis 300 of the cutter 3, and as shown in fig. 2, in the use state, the rotation axis 300 of the cutter 3 is vertical, and the central portion 31 includes a shaft hole 310 located at the rotation axis 300 for being engaged with an output shaft of a motor.

As shown in fig. 3, the four blades include two first blades 32 and two second blades 33, the first blades 32 and the second blades 33 each protruding outward from the outer peripheral edge of the center portion 31 in the radial direction of the cutter 3 and in the direction away from the rotation axis 300 on the axial projection of the cutter 3, wherein the two second blades 33 are symmetrically disposed on the outer periphery of the rotation axis 300 with the rotation axis 300 as the center of symmetry, the two first blades 32 are symmetrically disposed on the outer periphery of the rotation axis 300 with the rotation axis 300 as the center of symmetry, and the second blades 33 are 90 degrees apart from the first blades 32 on the circumferential direction of the cutter 3, thereby arranging the two second blades 33 and the two first blades 32 in a cross shape on the outer periphery of the center portion 31.

As shown in fig. 5, the first position 3001 and the second position 3002 are two different positions spaced apart in the axial direction of the rotation axis 300. The first connection 328 between the first blade 32 and the central portion 31 and the second connection 338 between the second blade 33 and the central portion 31 are both located at the first position 3001 in the axial direction.

The first blade 32 starts from the first connection 328, and the first blade 32 continues to extend along a straight direction perpendicular to the axial direction, that is, extends at the first position 3001 until the extending end near the first blade 32 is bent upwards to form the upturned portion 329. While the second blade 33 is bent downward by 90 degrees from the second connection 338 and extends in the axial direction until reaching the second position 3002, and then is bent again and extends in a straight line in the direction perpendicular to the axial direction at the second position 3002.

The first blade 32 and the second blade 33 each include a respective corresponding cutting portion: a first cutting portion 322 and a second cutting portion 332. The cutting part is a blade setting part, the first cutting part 322 is provided with a first blade 321, the second cutting part 332 is provided with a second blade 331, referring to fig. 3, two opposite sides of the first cutting part 322 in the width direction are provided with a first blade 321, two opposite sides of the second cutting part 332 in the width direction are provided with a second blade 331, the width direction of the cutting part is perpendicular to the extending direction of the blade and perpendicular to the thickness direction of the blade, in this embodiment, the thickness direction of the blade is axial, and two opposite sides of the cutting part in the width direction are also front and rear sides of the cutting blade in the rotating direction of the cutting blade.

A substantial portion of the first cutting portion 322 is located at the first location 3001, and the first cutting portion 322 further includes an upturned portion 329 located above the first location 3001, the first blade 321 extending to the upturned portion 329. And the second cutting portion 332 of the second blade 33 is integrally located at the second position 3002.

In addition, referring to fig. 5, the distance from the extended end of the first blade 32 to the rotation axis 300 is a first distance D1, the distance from the extended end of the second blade 33 to the rotation axis 300 is a second distance D2, and the first distance D1 is greater than the second distance D2. It can be seen that, in the present embodiment, the first blade 32 and the second blade 33 may extend from the first position 3001 in the axial direction to the central portion 31, and the second cutting portion 332 of the second blade 33 is located at the second position 3002 in the axial direction by bending the second blade 33. This arrangement allows the center portion 32 to have a smaller thickness, improves the compactness of the product mounting structure, and also facilitates the miniaturization of the product.

Referring to fig. 2, the housing 9 includes a lower space 900 located directly below the cutter 3. The drainage structure 8 comprises a horizontal pipe section 81 and a vertical pipe section 82 which are connected in a bending manner, the horizontal pipe section 81 is arranged on the periphery of the lower space 900, the initial end of the horizontal pipe section 81 is communicated with the lower space 900, the vertical pipe section 82 is communicated with the tail end of the horizontal pipe section 81, and the vertical pipe section 82 extends downwards. The plugging device 7 of the embodiment comprises a piston motor 71, an eccentric wheel mechanism 72 and a piston 73 which are sequentially driven, and the piston 73 can vertically move downwards to a plugging position and is blocked between a vertical pipe section 82 and a horizontal pipe section 81 under the drive of the piston motor 71, so that the drainage structure 8 is plugged; of course, the piston motor 71 may also drive the piston 73 upwards to a position where the drain structure 8 is opened.

Referring to fig. 2 and 5, after the long fiber food waste is put into the grinding chamber 100, the kitchen waste disposer is started. After the motor is started to rotate the grinding disc 2 and the cutting knife 3, the piston motor 71 is controlled to block the drainage structure 8 while controlling the opening of the water inlet pipe for water inlet. After the long fiber food waste is subjected to the first grinding process and falls to the place of the cutter 3 through the discharge gap 200. Because the cutting knife 3 is provided with at least two layers of blades positioned at different height positions, the height of the cutting knife has a larger cutting range, long fiber food waste which is not fully cut is repeatedly and fully cut by the multi-layer blades of the cutting knife 3 under the water flow of the billowing, and the smashed kitchen waste is also brought to the upper surface of the grinding disc 2 again by the water flow of the billowing for cutting and grinding. After the motor works for a first preset time period, the piston motor 71 is controlled to be opened while the water inlet pipe is controlled to be opened for water inlet, and the blocking of the water discharging structure 8 is relieved, the system is controlled to continuously work for a second preset time period, so that fine garbage in the overshoot is flushed and discharged after further grinding.

In the kitchen waste processor, firstly, the cutting knife 3 with a multi-layer blade structure and a larger cutting range is arranged, so that the probability of contact with long-fiber food waste is effectively improved, the cutting times are increased, and further, the plugging device 8 capable of plugging the drainage structure 7 is arranged, and a sufficient amount of water forms a billowing water flow in the shell 9 under the driving of the rotating grinding disc 2 and the cutting knife 3, so that the smashed kitchen waste is repeatedly brought to the upper surface of the grinding disc 2 for cutting and grinding again, the problem of the treatment fineness of the long-fiber food waste is solved, and the problem of water pipe plugging is avoided.

Second embodiment of kitchen waste disposer

Referring to fig. 6, in the present embodiment, the cutter includes a first blade 61, a second blade 62 and a third blade 63, a first connection 618 of the first blade 61 to the central portion, a second connection 628 of the second blade 62 to the central portion and a third connection 638 of the third blade 63 to the central portion are all located at a first position 6001 in the axial direction of the cutter, while a first cutting portion 612 of the first blade 61 is held at the first position 6001, the second blade 62 is bent and extended so that the second cutting portion 622 is located at a second position 6002 in the axial direction, and the third blade 63 is bent and extended further in the axial direction so that a third cutting portion 632 thereof is located at a third position 6003 in the axial direction. The second position 6002 is located below the first position 6001, and the third position 6003 is located below the second position 6002.

Therefore, by bending the blades, the joints of all the blades and the central part can be positioned at the same axial position, and the cutting positions of the blades can be positioned at three or more different positions in the axial direction, so that the cutting range of the cutting knife in the height direction can be further increased.

Third embodiment of kitchen waste disposer

Referring to fig. 7, in the present embodiment, the cutter includes a first blade 642, a second blade 643, and a third blade 644, the first blade 642 is integrally located at a first position in the axial direction, the second blade 643 is integrally located at a second position in the axial direction, and the third blade 644 is integrally located at a third position in the axial direction. The cutting range of the cutter in the height direction can be increased by the arrangement, but the arrangement from the lower central portion 641 requires a larger vertical dimension, which is not beneficial to the compactness of the product and the miniaturization of the product.

In other embodiments, five or more blades are radially disposed about the periphery of the hub, as seen in an axial projection of the rotational hub of the cutting blade.

In other embodiments, as shown in fig. 6 and 7, each blade does not have an upturned portion thereon.

In other embodiments, the kitchen waste disposer is not provided with a plugging device.

Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the utility model, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the utility model, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the utility model.

Claims (9)

1. The grinding assembly comprises a shell, a grinding ring, a grinding disc and a cutting knife, wherein the grinding ring is fixedly arranged in the shell, the grinding disc and the cutting knife are rotatably arranged in the shell along the axis, the grinding disc is positioned at the inner periphery of the grinding ring, and the cutting knife is positioned below the grinding disc;

the method is characterized in that:

the cutting knife comprises a central part and a blade, wherein the central part is positioned at the rotation axis of the cutting knife, the blade extends out of the central part, and the blade is arranged at the periphery of the rotation axis;

the blade includes a cutting portion having a cutting edge;

in the axial direction of the rotation axis, the cutting portions of the plurality of blades are respectively provided at different at least two positions.

2. The abrasive assembly of claim 1 wherein:

the plurality of blades includes a second blade;

the second blade extends between a first position and a second position in a bending manner, and the first position and the second position are two different positions in the axial direction respectively;

the connection of the second blade and the central portion is located at the first position, and the cutting portion of the second blade is located at the second position.

3. The abrasive assembly of claim 2 wherein:

the plurality of blades further includes a first blade, the cutting portion of the first blade being located above the cutting portion of the second blade;

the extending end of the first blade is farther from the rotation axis than the extending end of the second blade.

4. A grinding assembly according to claim 3, wherein:

the first position is located above the second position, and the connection of the first blade and the central portion is located at the first position.

5. The abrasive assembly of any one of claims 1-4 wherein:

the blade includes an upturned portion at an extended end thereof, the blade edge extending to the upturned portion.

6. The abrasive assembly of any one of claims 1-4 wherein:

at least a pair of blades symmetrically arranged along the rotation axis is provided at the same position in the axial direction.

7. The abrasive assembly of any one of claims 1-4 wherein:

and in the rotation direction of the cutting knife, the front side and the rear side of the blade are respectively provided with the cutting edge.

8. The abrasive assembly of any one of claims 1-4 wherein:

the grinding assembly further comprises a drainage structure and a plugging device;

the drainage structure is communicated with the shell, and the plugging device can move between a position for plugging the drainage structure and a position for opening the drainage structure.

9. Kitchen waste disposer, characterized by comprising a grinding assembly according to any of the preceding claims 1 to 8.

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