WO2021179464A1

WO2021179464A1 - Garbage disposal

Info

Publication number: WO2021179464A1
Application number: PCT/CN2020/096286
Authority: WO
Inventors: 于青玉; 王涛; 贾忠宝; 马强
Original assignee: 青岛海尔智慧厨房电器有限公司; 海尔智家股份有限公司
Priority date: 2020-03-10
Filing date: 2020-06-16
Publication date: 2021-09-16
Also published as: CN111255028A

Abstract

The present invention relates to a garbage disposal, comprising a milling chamber, at least two milling apparatuses that are provided inside of the milling chamber, and a drive shaft that is connected to the milling apparatuses; each set of milling apparatuses is provided in sequence along the axial direction of the drive shaft, and at least two sets of adjacent milling apparatuses are partially connected. In the present invention, multiple sets of milling apparatuses are provided in the milling chamber so as to gradually mill food waste, which allows more sufficient milling, and milled waste particles are finer, thus preventing clogging a drain.

Description

A kind of garbage disposer

Technical field

The invention relates to the technical field of food waste treatment in kitchens, and in particular to a waste disposer.

Background technique

When people wash pots and pans daily, food waste easily flows into the sewer directly with water. After a long time, it is easy to block the sewer, which brings great trouble to family life. The emergence of food waste disposer solves this problem. The food waste disposer is a household kitchen appliance that drives the grinding disc to rotate by a motor, so that the food waste and the grinding parts on the grinding disc collide, cut, and rub, so that the volume of the food waste is reduced and can be directly discharged through the sewer. .

The existing garbage disposers on the market are basically single-layer grinding discs, which do not sufficiently grind food waste. After grinding, the garbage particles are relatively large, which is easy to block the sewer, or a layer of sawtooth is assembled under the single-layer grinding disc. Cutter head, but this cutter head can only cut some fibrous materials, and has little effect on the size of food waste particles.

In view of this, the present invention is proposed.

Summary of the invention

The technical problem to be solved by the present invention is to overcome the shortcomings of the prior art and provide a garbage disposer capable of layered grinding. By arranging multiple sets of grinding devices, the efficiency of garbage treatment is improved, and the grinded garbage particles are made smaller. Avoid blocking sewers.

In order to achieve the above objectives, the present invention adopts the following technical solutions:

A garbage disposer includes a grinding cavity, at least two groups of grinding devices arranged in the grinding cavity, and a drive shaft connected to the grinding device, each group of grinding devices are arranged in sequence along the axial direction of the drive shaft, and at least two groups of adjacent grinding devices The device is partially connected.

In the above solution, multiple sets of grinding devices are arranged in the grinding cavity to gradually grind the food waste, so that the grinding is more complete, and the grinded waste particles are finer, so as to avoid clogging the sewer.

Further, the grinding device includes a grinding disc and a grinding ring, the grinding disc and the grinding ring are arranged to rotate relative to each other, and the grinding discs of one group of grinding devices are connected with the grinding rings of another adjacent group of grinding devices.

Further, the grinding discs and grinding rings connected in the two sets of adjacent grinding devices are installed on the drive shaft, and the grinding rings and grinding discs corresponding to the connected grinding discs and grinding rings one-to-one are installed in the grinding cavity On the inner wall.

Further, the passages along each group of grinding devices for the garbage particles to circulate to the next group of grinding devices are narrowed in sequence.

In the above solution, by strictly restricting the size of the passage of each layer of garbage particles to the next group of grinding devices, the food garbage is fully ground, and finally smaller garbage particles are formed to prevent the sewer from clogging.

Further, it comprises a first grinding device and a second grinding device, wherein the first grinding device is located above the second grinding device and is used for preliminary treatment of garbage; the second grinding device and the first grinding device are directly or indirectly The connection is used for linking with the first grinding device to further process the preliminarily processed garbage.

Further, the first grinding device includes a first grinding disc and a first grinding ring, and the first grinding disc and the first grinding ring are relatively rotatably arranged;

The second grinding device includes a second grinding disc and a second grinding ring, the second grinding disc and the second grinding ring are arranged to rotate relative to each other; the first grinding disc and the second grinding ring are connected;

Preferably, the first grinding disc is mounted on the driving shaft, the second grinding ring is connected to the first grinding disc, and the driving shaft drives the first grinding disc and the second grinding ring Rotate together

Preferably, the second grinding disc is arranged under the second grinding ring and installed on the inner wall of the grinding chamber, and the upper end surface of the second grinding disc and the lower end surface of the second grinding ring form a gap;

Preferably, the outer peripheral edge of the second grinding disc forms a gap with the inner wall of the grinding cavity;

Preferably, the first grinding ring is installed on the inner wall of the grinding chamber, and the inner wall of the first grinding ring forms a gap with the outer peripheral edge of the first grinding disc;

Preferably, the gap formed by the upper end surface of the second grinding disc and the lower end surface of the second grinding ring is wider than the gap formed by the outer peripheral edge of the second grinding disc and the inner wall of the grinding cavity;

Preferably, the gap formed by the inner wall of the first grinding ring and the outer peripheral edge of the first grinding disc is wider than the gap formed by the outer peripheral edge of the second grinding disc and the inner wall of the grinding cavity;

Preferably, the outer diameter of the second grinding ring is smaller than or equal to the diameter of the first grinding disc, and the diameter of the second grinding disc is larger than the diameter of the first grinding disc.

In the above solution, the first grinding disc and the second grinding ring are connected, which reduces the connection between the second grinding ring and the motor, saves space, and also reduces the burden on the motor, making the rotation of the second grinding ring and the first grinding disc more effective. Stable; the first grinding ring and the second grinding disc are directly or indirectly installed in the grinding cavity and cannot be rotated, which reduces the burden on the motor, makes the motor and the grinding device run more stably, and reduces the noise.

Further, the first grinding disc is provided with a plurality of first through holes for the passage of garbage particles; the second grinding disc is provided with a plurality of second through holes for the passage of garbage particles; The hole diameter is smaller than the hole diameter of the first through hole.

Further, the first grinding disc and the second grinding disc are both provided with grinding parts for grinding garbage;

Preferably, at least the grinding member of the first grinding disc comprises two grinding hammers and two convex hulls, the grinding hammers and the convex hulls are arranged alternately in the circumferential direction;

Preferably, the two grinding hammers are arranged symmetrically and/or the two convex hulls are arranged symmetrically;

Preferably, the total area occupied by the adjacent grinding hammers and convex hulls on the upper end surface of the first grinding disc is less than a quarter of the area of the upper end surface of the first grinding disc;

Preferably, the convex hull includes a central protrusion and three peripheral protrusions arranged around the central protrusion, the three peripheral protrusions are respectively connected with the central protrusion, and the central protrusion is connected to the three peripheral protrusions. The bottom surface is in contact with the upper end surface of the first grinding disc, and the highest point of each of the three peripheral protrusions is lower than the highest point of the central protrusion.

Further, the first grinding disc is provided with two groups of water leakage holes, each group of water leakage holes corresponds to each grinding hammer one-to-one, and each group of water leakage holes and each convex hull are respectively arranged on both sides of the grinding hammer along the circumferential direction.

Further, an opening is provided on the outer peripheral edge of the first grinding disc, a protrusion is provided on the upper end of the second grinding ring, and the first grinding disc and the second grinding ring are connected to the opening through the protrusions;

Preferably, the opening and the protrusion are clamped;

Preferably, there are four openings and four protrusions respectively, which are arranged in one-to-one correspondence.

After adopting the technical scheme of the present invention, the following beneficial effects are brought about:

The garbage disposer provided by the present invention gradually grinds food waste by setting up multiple sets of grinding devices in the grinding cavity from top to bottom, thereby improving the efficiency of waste treatment, and avoiding that wastes of different sizes cannot be effectively ground when they are piled up together. The grinding is more complete, and the garbage particles after grinding are smaller, so as to avoid clogging the sewer.

The garbage disposer provided by the present invention strictly restricts the size of the channel through which each layer of garbage particles circulate to the next group of grinding devices, so that food garbage can be fully ground, and finally smaller garbage particles are formed to prevent the sewer from being blocked.

In the garbage disposer provided by the present invention, the first grinding disc and the second grinding ring are connected, which reduces the connection between the second grinding ring and the motor, saves space, and also reduces the burden on the motor, so that the second grinding ring is connected to the first grinding ring. The rotation of the disc is more stable; the first grinding ring and the second grinding disc are directly or indirectly installed in the grinding cavity and cannot be rotated, which reduces the burden on the motor, makes the motor and the grinding device run more stably, and reduces the noise.

Description of the drawings

Figure 1: A schematic structural diagram of a garbage disposer provided in an embodiment of the present invention.

Figure 2: A schematic structural diagram of a garbage disposer provided in an embodiment of the present invention.

Fig. 3: A schematic structural diagram of a first grinding disc of a garbage disposer provided in an embodiment of the present invention.

Figure 4: A schematic diagram of the structure of the first grinding disc and the second grinding ring of a garbage disposer provided in an embodiment of the present invention.

Fig. 5: A schematic structural diagram of a first grinding ring of a garbage disposer provided in an embodiment of the present invention.

Fig. 6: A schematic structural diagram of a second grinding disc of a garbage disposer provided in an embodiment of the present invention.

Fig. 7: A schematic structural diagram of a second grinding ring of a garbage disposer provided in an embodiment of the present invention.

Fig. 8: A schematic structural diagram of a second grinding ring of a garbage disposer provided in an embodiment of the present invention.

Reference signs: 1. Water tank 2. Grinding chamber 3. First grinding device 31, First grinding disc 311, First grinding hammer 312, Second grinding hammer 313, First convex hull 314, Second convex hull 315, The first group of leaking holes 316, the second group of leaking holes 317, the opening 32, the first grinding ring 321, the upper grinding hole 4, the second grinding device 41, the second grinding disc 411, the third grinding hammer 412, the fourth grinding hammer 413. Center through hole 414, through hole 42, second grinding ring 421, lower grinding hole 422, protrusion 5, motor 51, drive shaft 6, bracket

It should be noted that these drawings and text descriptions are not intended to limit the scope of the present invention in any way, but to explain the concept of the present invention for those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention. , But not used to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a specific orientation. The structure and operation cannot therefore be understood as a limitation of the present invention.

In the description of the present invention, it should be noted that the terms "installed", "connected", and "connected" should be understood in a broad sense unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be directly connected or indirectly connected through an intermediary. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood in specific situations.

As shown in Figures 1 and 2, a garbage disposer includes a grinding cavity 2, at least two groups of grinding devices arranged in the grinding cavity 2, and a drive shaft 51 connected to the grinding device. Each group of grinding devices is along the drive shaft. 51 are arranged sequentially in the axial direction, and at least two sets of adjacent grinding devices are partially connected.

Specifically, the waste disposer is fixed at the lower part of the water storage tank 1. The upper part of the waste disposer includes a grinding cavity 2, and the lower part includes a motor 5. The drive shaft 51 of the motor 5 extends in the axial direction of the grinding cavity 2 and is located at the center of the grinding cavity 2. The central axis of the drive shaft 51 coincides with the central axis of the grinding cavity 2. Multiple groups of grinding devices are arranged in the grinding cavity 2.

Each group of grinding devices includes a grinding disc and a grinding ring. The grinding disc and the grinding ring are arranged to rotate relative to each other. The grinding discs of one group of grinding devices are connected to the grinding rings of another adjacent group of grinding devices. The central axis rotates, or the grinding ring rotates around the central axis of the grinding cavity 2, or both the grinding disc and the grinding ring rotate around the central axis of the grinding cavity 2, preferably the former two.

In order to enable the grinding disc or grinding ring to rotate around the central axis of the grinding cavity 2, the grinding disc or grinding ring is mounted on the drive shaft 51, and the drive shaft 51 drives the grinding disc or grinding ring to rotate around the central axis of the grinding cavity 2. The two groups of adjacent grinding devices connected, that is, the grinding discs of one group of grinding devices are connected to the grinding rings of another adjacent group of grinding devices. The installation method of the two groups of adjacent grinding devices is as follows: The connected grinding discs and grinding rings are mounted on the drive shaft 51, and the grinding rings and grinding discs corresponding to the connected grinding discs and grinding rings are directly or indirectly mounted on the inner wall of the grinding chamber 2. The grinding ring or grinding disc described here is directly or indirectly mounted on the inner wall of the grinding cavity 2 means that the grinding ring or grinding disc is directly connected to the inner wall of the grinding cavity 2, or the grinding ring or grinding disc is fixed to the grinding cavity 2 The bracket is connected to the inner wall.

In the present invention, multiple sets of grinding devices are arranged in the grinding chamber 2 to gradually grind food waste, thereby improving the efficiency of waste treatment, avoiding the ineffective grinding of wastes of different sizes when they are piled up together, making the grinding more complete, and the waste particles after grinding Smaller to avoid clogging the sewer.

Different groups of grinding devices grind food waste into different volumes, which can more fully grind food waste. For example, food waste needs to be ground to a limited size in each group of grinding devices before it can flow into the next group of grinding devices. Group grinding device for further grinding. In order to more fully grind food waste, in the embodiment of the present invention, the passages along each group of grinding devices for the garbage particles to circulate to the next group of grinding devices are sequentially narrowed. The specific structure of the polishing device will be described below by taking two sets of polishing devices in the polishing cavity 2 as an example.

In the embodiment of the present invention, the garbage disposer includes a first grinding device 3 and a second grinding device 4, wherein the first grinding device 3 is located above the second grinding device 4, and is used for preliminary treatment of garbage, and the second grinding device The device 4 is directly or indirectly connected to the first grinding device 3, and is used to further process the preliminary treated garbage in conjunction with the first grinding device 3.

Specifically, as shown in FIGS. 3 to 6, the first grinding device 3 includes a first grinding disc 31 and a first grinding ring 32. The first grinding disc 31 and the first grinding ring 32 are arranged to rotate relative to each other, and the second grinding device 4 It includes a second grinding disc 41 and a second grinding ring 42. The second grinding disc 41 and the second grinding ring 42 are arranged to rotate relative to each other, and the first grinding disc 31 and the second grinding ring 42 are connected. The drive shaft 51 of the motor 5 passes through the first grinding disc 31 and the second grinding disc 41, wherein the first grinding disc 31 is mounted on the driving shaft 51, the second grinding ring 42 is connected to the first grinding disc 31, and the driving shaft 51 The first grinding disc 31 and the second grinding ring 42 are driven to rotate together. The outer peripheral edge of the first grinding disc 31 is provided with an opening 317, and the upper end of the second grinding ring 42 is provided with a protrusion 422. The first grinding disc 31 and the second grinding ring 42 are connected with the opening 317 through the protrusion 422, that is, the protrusion 422 penetrates The first grinding disc 31 and the second grinding ring 42 are connected through the opening 317. The preferred solution is that the opening 317 and the protrusion 422 are clamped; the openings 317 and the protrusions 422 are respectively four, and the four openings 317 are in the first grinding disc. 31 are symmetrically arranged (see FIGS. 7 and 8), and the four protrusions 422 and the four openings 317 on the second grinding ring 42 are arranged in one-to-one correspondence. The second grinding ring 42 is connected to the first grinding disc 31, reducing the connection between the second grinding ring 42 and the motor 5, saving space, and also reducing the burden on the motor 5, so that the second grinding ring 42 is connected to the first grinding disc 31 The rotation is more stable.

As an alternative, the second grinding ring 42 can be directly mounted on the driving shaft 51, and the second grinding ring 42 and the first grinding disc 31 are connected together by the driving shaft 51.

A support 6 (see FIG. 2) is provided under the second grinding disc 41, and the support 6 is fixed to the grinding chamber 2. The second grinding disc 41 is provided with a central through hole 413 (see FIG. 6). The central axis of the grinding disc 41 coincides, two through holes 414 are provided on both sides of the central through hole 413, the drive shaft 51 passes through the central through hole 413, and the screw passes through the two through holes 414 to fix the second grinding disc 41 on the bracket 6, thereby The second grinding disc 41 is arranged below the second grinding ring 42 and is indirectly mounted on the inner wall of the grinding chamber 2. The upper end surface of the second grinding disc 41 and the lower end surface of the second grinding ring 42 form a gap. The second grinding disc 41 can also be fixed to the support 6 by other means, such as bolts. The outer peripheral edge of the second grinding disc 41 is connected with the inner wall of the grinding cavity 2 or forms a gap. The preferred solution is to form a gap, which can not only reduce the friction between the second grinding disc 41 and the grinding cavity 2 to reduce noise, but the gap can also provide qualified garbage The passage of particles increases the passage of garbage particles to the outside, which helps the discharge of garbage particles and avoids clogging.

The first grinding ring 32 is installed on the inner wall of the grinding chamber 2, and the inner wall of the first grinding ring 32 forms a gap with the outer peripheral edge of the first grinding disc 31. The lower end surface of the first grinding ring 32 can be higher or lower than the upper end surface of the first grinding disc 31, preferably lower than the upper end surface of the first grinding disc 31, so as to prevent excessive garbage particles from passing through the first grinding ring 32 , The gap formed by the outer circumference of the first grinding disc 31 and the upper end surface of the first grinding disc 31 flows out.

The first grinding ring 32 and the second grinding disc 41 are directly or indirectly installed in the grinding chamber 2 and cannot be rotated, which reduces the burden of the motor 5, makes the motor 5 and the grinding device operate more stably, and reduces noise.

In a further embodiment, the outer diameter of the second grinding ring 42 is less than or equal to the diameter of the first grinding disc 31, and the diameter of the second grinding disc 41 is greater than the diameter of the first grinding disc 31, so that the second grinding ring 42, the first The second grinding disc 41 and the grinding cavity 2 form an annular cavity. The garbage particles flowing into the second grinding device 4 through the gap formed by the inner wall of the first grinding ring 32 and the outer peripheral edge of the first grinding disc 31 will enter this annular cavity. Under the joint action of the second grinding ring 42 and the grinding cavity 2, the garbage particles are ground to be smaller, and finally flow out from the gap formed by the outer peripheral edge of the grinding cavity 2 and the second grinding disc 41 into the sewer. With this arrangement, the outer diameter of the first grinding ring 32 is greater than the diameter of the second grinding disc 41, and only the outer peripheral edge of the grinding cavity 2 and the second grinding disc 41 can form a gap for the circulation of garbage particles. This arrangement increases the grinding space, reduces the grinding pressure between the inner wall of the second grinding ring 42 and the second grinding disc 41, and accelerates the grinding speed of the second grinding device 4.

The width of the gap formed by the upper end surface of the second grinding disc 41 and the lower end surface of the second grinding ring 42 is greater than the width of the passage of the second grinding device 4 for the garbage particles to circulate to the next group of grinding devices or the sewer. The garbage particles in the second grinding ring 42 can flow into or be thrown into the annular cavity for grinding, which further reduces the grinding pressure between the inner wall of the second grinding ring 42 and the second grinding disc 41 and speeds up the grinding speed of the second grinding device 4.

The first grinding device 3 initially grinds the food waste to form relatively large garbage particles that can flow out of the working area of the first grinding device 3, and these garbage particles flow to the second grinding device 4, and the second grinding device 4 continues to These garbage particles are further ground to form finer garbage particles that can flow out from the working area of the second grinding device 4, and the finer garbage particles flow out from the working area of the second grinding device 4 and then discharged into the sewer. The first grinding device 3 and the second grinding device 4 both have channels for the garbage particles to circulate to the next group of grinding devices. Among them, the first grinding disc 31 is provided with a number of first through holes for the garbage particles to pass through. The grinding disc 41 is provided with a number of second through holes for the passage of garbage particles, and the diameter of the second through holes is smaller than that of the first through holes. A number of first through holes on the first grinding disc 31 for garbage particles to pass are leak holes provided on the first grinding disc 31, and a number of second through holes on the second grinding disc 41 for garbage particles to pass through are provided on the second grinding disc. The water leakage holes on the grinding disc 41 and the water leakage holes on the first grinding disc 31 are wider than the water leakage holes on the second grinding disc 41.

The passage of the first grinding device 3 for the garbage particles to flow to the next group of grinding devices also includes an upper grinding hole 321 provided on the first grinding ring 32, the inner wall of the first grinding ring 32 and the outer peripheral edge of the first grinding disc 31. The second grinding device 4 allows the garbage particles to circulate to the next group of grinding devices or the sewer channel. It also includes a lower grinding hole 421 arranged on the second grinding ring 42, the outer peripheral edge of the second grinding disc 41 and the inner wall of the grinding cavity 2. The upper grinding hole 321 of the first grinding ring 32 is wider than the lower grinding hole 421 of the second grinding ring 42. The inner wall of the first grinding ring 32 and the outer peripheral edge of the first grinding disc 31 have a larger gap than the second grinding disc 31. The gap formed by the outer peripheral edge of 41 and the inner wall of the grinding chamber 2 is wide. In the embodiment of the present invention, the width of the passage of the first grinding device 3 for the garbage particles to circulate to the next group of grinding devices is 4-5mm, and the second grinding device 4 for the garbage particles to circulate to the next group of grinding devices or the channel of the sewer. The width is 2-3mm. The preferred solution is that the passage for the first grinding device 3 for the garbage particles to flow to the next group of grinding devices is 5mm, and the channel for the second grinding device 4 for the garbage particles to flow to the next group of grinding devices or sewers is 5mm. 2mm, that is, the water leakage hole of the first grinding disc 31, the upper grinding hole 321 on the first grinding ring 32, the gap formed by the inner wall of the first grinding ring 32 and the outer peripheral edge of the first grinding disc 31 are all 5mm, and the second grinding The gap formed by the water leakage hole of the disc 41, the lower grinding hole 421 on the second grinding ring 42, and the outer peripheral edge of the second grinding disc 41 and the inner wall of the grinding cavity 2 are all 2 mm. By strictly restricting the size of the channel through which each layer of garbage particles circulate to the next group of grinding devices, the food garbage is fully ground, and finally smaller garbage particles are formed to prevent the sewer from being blocked.

The first grinding disc 31 and the second grinding disc 41 are both provided with several grinding parts for grinding garbage; at least the grinding parts of the first grinding disc 31 include two grinding hammers and two convex hulls, and the grinding hammers and the convex hulls are sequentially in the circumferential direction. The intervals are alternately arranged; the two grinding hammers are arranged symmetrically and/or the two convex hulls are arranged symmetrically.

Specifically, the first grinding disc 31 is provided with a first grinding hammer 311, a second grinding hammer 312, a first convex hull 313, and a second convex hull 314, and the second grinding disc 41 is symmetrically provided with a third grinding hammer 411 and a fourth grinding hammer. Grinding hammer 412. Wherein, the first grinding hammer 311 and the second grinding hammer 312 are respectively rotatably arranged on the first grinding disc 31, and the first convex hull 313 and the second convex hull 314 are respectively fixed to the first grinding disc 31. The first grinding hammer 311 and the second grinding hammer 312 are arranged symmetrically along the center of the first grinding disc 31, the first convex hull 313 and the second convex hull 314 are arranged symmetrically along the center of the first grinding disc 31, and the first grinding hammer 311 and The first convex hull 313 is adjacent, and the first grinding hammer 311 is relatively close to the position of the first convex hull 313, and is relatively far away from the position of the second convex hull 314. The first grinding hammer 311 and the second grinding hammer 312, the first convex hull 313 and the second convex hull 314 are not respectively located at four positions that can divide the first grinding disc 31 into four equal parts, that is, the adjacent first grinding hammer 311 and the first convex hull 313 are The total area occupied by the upper end surface of the first grinding disc 31 is less than a quarter of the area of the upper end surface of the first grinding disc 31, and the same is true for the second grinding hammer 312 and the second convex hull 314. The first grinding hammer 311 and the first convex hull 313 are relatively close, and they cooperate with each other to repeatedly hammer the food waste. At the same time, since the first grinding hammer 311 and the second grinding hammer 312 can rotate freely, they encounter Hard objects will avoid hard objects. At this time, the first convex hull 313 and the second convex hull 314 close to the first grinding hammer 311 and the second grinding hammer 312 can hammer the hard object and lift the first grinding device. 3 Grinding efficiency of food waste.

The first convex hull 313 is composed of a central protrusion and three peripheral protrusions arranged around the central protrusion. The three peripheral protrusions are respectively connected to the central protrusion, and the bottom surfaces of the central protrusion and the three peripheral protrusions The upper end surface of the first grinding disc 31 is in contact with each other, the highest point of each of the three peripheral protrusions is lower than the highest point of the central protrusion, and the highest points of the three peripheral protrusions are respectively located at the junction with the central protrusion. The surfaces of the first and three peripheral protrusions are all arc-shaped surfaces. From a visual point of view, the central protrusion and the three peripheral protrusions are all part of a sphere. Compared with a single convex hull, the arrangement of the first convex hull 313 increases the collision area with the food waste and can hit the food waste more effectively. The second convex hull 314 and the first convex hull 313 have the same configuration.

The first grinding disc 31 is provided with two groups of water leakage holes, each group of water leakage holes corresponds to each grinding hammer one-to-one, and each group of water leakage holes and each convex hull are respectively arranged on both sides of the grinding hammer along the circumferential direction.

Specifically, a first group of water leakage holes 315 and a second group of water leakage holes 316 are provided on the first grinding disc 31. The first group of water leakage holes 315 are close to the side of the first grinding hammer 311 away from the first convex hull 313, and the second group The water leakage hole 316 is close to the side of the second grinding hammer 312 away from the second convex hull 314. The number of leaking holes in each group is 6-8. With this arrangement, the qualified garbage particles after being crushed by the impact of the grinding hammer and the convex hull quickly flow from the leaking hole to the second grinding device 4.

As shown in FIG. 6, a plurality of rows of water leakage holes are uniformly provided on the second grinding disc 41, and the water leakage holes are arranged radially with the central through hole 413 as the center.

The food waste enters the first grinding device 3 through the water storage tank 1, and through the combined action of the grinding hammer, the convex hull, the first grinding ring 32 and the first grinding disc 31 on the first grinding device 3, the food waste becomes 4-5mm Garbage particles enter the grinding operation area of the second grinding device 4 along the leaking hole on the first grinding disc 31, the upper grinding hole 321 on the first grinding ring 32, and the gap between the first grinding disc 31 and the first grinding ring 32 , Through the combined action of the grinding hammer of the second grinding device 4, the second grinding ring 42 and the second grinding disc 41, the garbage particles are ground into smaller 2-3mm particles, and finally along the water leakage on the second grinding disc 41 The hole, the gap between the second grinding disc 41 and the grinding cavity 2 flows out and is discharged into the sewer. If the food waste particles are larger than 5mm, they will continue to be ground in the grinding operation area of the first grinding device 3 until they are ground into garbage particles less than or equal to 5mm before they can enter the grinding operation area of the second grinding device 4. The same applies. The garbage particles flowing into the second grinding device 4 must be ground into garbage particles less than or equal to 2 mm before they can flow out of the second grinding device 4 and be discharged into the sewer.

In the embodiment of the present invention, a third grinding device located below the second grinding device 4 may be further included. The third grinding device includes a third grinding disc and a third grinding ring that cooperate with each other to grind garbage, and the third grinding disc is fixed. On the drive shaft 51, the third grinding ring is fixed on the inner wall of the grinding chamber 2, and the third grinding disc is provided with grinding hammers and water leakage holes. Preferably, this structure can connect the second grinding disc 41 of the second grinding device 4 with the second grinding disc 41 The three grinding rings are connected and fixed on the inner wall of the grinding cavity 2 together.

The above are only the preferred embodiments of the present invention and do not limit the present invention in any form. Although the present invention has been disclosed as above in preferred embodiments, it is not intended to limit the present invention. Any technology familiar with this patent Without departing from the scope of the technical solution of the present invention, the personnel can use the technical content suggested above to make slight changes or modification into equivalent embodiments with equivalent changes. However, any content that does not deviate from the technical solution of the present invention is based on the technology of the present invention. Essentially, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the solution of the present invention.

Claims

A garbage disposer, comprising a grinding cavity, at least two groups of grinding devices arranged in the grinding cavity, and a drive shaft connected to the grinding device, characterized in that:

Each group of grinding devices are arranged in sequence along the axial direction of the drive shaft, and at least two groups of adjacent grinding devices are partially connected.
The garbage disposer according to claim 1, wherein the grinding device comprises a grinding disc and a grinding ring, and the grinding disc and the grinding ring are arranged to rotate relative to each other. The grinding ring of the group grinding device is connected.
The garbage disposer according to claim 2, wherein the grinding discs and grinding rings connected in the two sets of adjacent grinding devices are installed on the drive shaft, and are connected with the grinding discs and grinding rings connected to the The grinding rings and grinding discs corresponding to the rings are installed on the inner wall of the grinding cavity.
The garbage disposer according to claim 1, wherein the passages along each group of grinding devices for the garbage particles to circulate to the next group of grinding devices are sequentially narrowed.
The garbage disposer according to any one of claims 1 to 4, characterized in that it comprises a first grinding device and a second grinding device, wherein:

The first grinding device is located above the second grinding device and is used for preliminary treatment of garbage;

The second grinding device is directly or indirectly connected with the first grinding device, and is used for further processing the preliminarily processed garbage in linkage with the first grinding device.
The garbage disposer according to claim 5, wherein the first grinding device comprises a first grinding disc and a first grinding ring, and the first grinding disc and the first grinding ring are relatively rotatably arranged;

The second grinding device includes a second grinding disc and a second grinding ring, the second grinding disc and the second grinding ring are arranged to rotate relative to each other; the first grinding disc and the second grinding ring are connected;

Preferably, the first grinding disc is mounted on the drive shaft, the second grinding ring is connected to the first grinding disc, and the drive shaft drives the first grinding disc and the second grinding ring Rotate together

Preferably, the second grinding disc is arranged under the second grinding ring and installed on the inner wall of the grinding chamber, and the upper end surface of the second grinding disc and the lower end surface of the second grinding ring form a gap;

Preferably, the outer peripheral edge of the second grinding disc forms a gap with the inner wall of the grinding cavity;

Preferably, the first grinding ring is installed on the inner wall of the grinding chamber, and the inner wall of the first grinding ring forms a gap with the outer peripheral edge of the first grinding disc;

Preferably, the gap formed by the upper end surface of the second grinding disc and the lower end surface of the second grinding ring is wider than the gap formed by the outer peripheral edge of the second grinding disc and the inner wall of the grinding cavity;

Preferably, the gap formed by the inner wall of the first grinding ring and the outer peripheral edge of the first grinding disc is wider than the gap formed by the outer peripheral edge of the second grinding disc and the inner wall of the grinding cavity;

Preferably, the outer diameter of the second grinding ring is smaller than or equal to the diameter of the first grinding disc, and the diameter of the second grinding disc is larger than the diameter of the first grinding disc.
The garbage disposer according to claim 6, wherein:

The first grinding disc is provided with a plurality of first through holes for the passage of garbage particles;

The second grinding disc is provided with a number of second through holes for the passage of garbage particles;

The aperture of the second through hole is smaller than the aperture of the first through hole.
The garbage disposer according to claim 6 or 7, characterized in that: the first grinding disc and the second grinding disc are both provided with grinding parts for grinding garbage;

Preferably, at least the grinding member of the first grinding disc comprises two grinding hammers and two convex hulls, the grinding hammers and the convex hulls are arranged alternately in the circumferential direction;

Preferably, the two grinding hammers are arranged symmetrically and/or the two convex hulls are arranged symmetrically;

Preferably, the total area occupied by the adjacent grinding hammers and convex hulls on the upper end surface of the first grinding disc is less than a quarter of the area of the upper end surface of the first grinding disc;

Preferably, the convex hull includes a central protrusion and three peripheral protrusions arranged around the central protrusion, the three peripheral protrusions are respectively connected with the central protrusion, and the central protrusion is connected to the three peripheral protrusions. The bottom surface is in contact with the upper end surface of the first grinding disc, and the highest point of each of the three peripheral protrusions is lower than the highest point of the central protrusion.
The garbage disposer according to claim 8, wherein the first grinding disc is provided with two groups of water leakage holes, each group of water leakage holes corresponds to each grinding hammer one-to-one, and each group of water leakage holes corresponds to each grinding hammer. The convex hulls are respectively arranged on both sides of the grinding hammer along the circumferential direction.
The garbage disposer according to claim 6, characterized in that: the outer peripheral edge of the first grinding disc is provided with an opening, the upper end of the second grinding ring is provided with a protrusion, the first grinding disc and the The second grinding ring is matedly connected with the opening through the protrusion;

Preferably, the opening and the protrusion are clamped;

Preferably, there are four openings and four protrusions respectively, which are arranged in one-to-one correspondence.