CN117758835A - Garbage crusher - Google Patents

Abstract

The invention discloses a garbage crusher, which comprises: the grinding device comprises a grinding ring and a grinding disc, wherein a grinding cavity is formed in the grinding ring, the grinding disc is rotatably arranged in the grinding cavity, a grinding hammer is arranged on the grinding disc, and the grinding hammer is used for beating objects in the grinding cavity; the grinding hammer and/or the grinding disc are/is provided with a movable cutting piece, the cutting piece has an extending state and a retracting state, and the cutting piece cuts an article in the grinding cavity in the extending state and is kept away from the article in the retracting state. The garbage crusher can cut garbage with good toughness, can protect a cutting piece, and is beneficial to prolonging the service life of the cutting piece.

Description

Garbage crusher

Technical Field

The invention relates to the technical field of garbage crushers, in particular to a garbage crusher.

Background

In the related art, the household direct-discharge garbage disposer is mainly used for colliding and rubbing kitchen garbage into small particles through the cooperation of the grinding disc and the grinding ring, and then directly discharging the kitchen garbage into a sewer.

The garbage disposer in the prior art can treat common kitchen garbage, such as chicken, duck bones, vegetables, melons and fruits, but the treatment of garbage with good toughness (such as corn husks) still has the defect, and although the fiber garbage can be cut by adopting the blade, the service life of the blade is reduced because other garbage with high hardness is simultaneously arranged in the garbage, and the damage (such as rolling edge, chipping and the like) to the cutting edge is easily caused.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the garbage crusher provided by the invention can cut garbage with good toughness, can play a role in protecting a cutting piece, and is beneficial to prolonging the service life of the cutting piece.

According to an embodiment of the invention, a garbage crusher includes: the grinding device comprises a grinding ring and a grinding disc, wherein a grinding cavity is formed in the grinding ring, the grinding disc is rotatably arranged in the grinding cavity, a grinding hammer is arranged on the grinding disc, and the grinding hammer is used for beating objects in the grinding cavity; the grinding hammer and/or the grinding disc are/is provided with a movable cutting piece, the cutting piece has an extending state and a retracting state, and the cutting piece cuts an article in the grinding cavity in the extending state and is kept away from the article in the retracting state.

According to the garbage crusher disclosed by the embodiment of the invention, the cutting member is in the extending state and the retracting state, when the cutting member is in the extending state, the garbage with good toughness can be cut so as to enhance the crushing effect of the garbage crusher, and when the cutting member is in the retracting state, the garbage can be avoided, so that the damage of the cutting member caused by the garbage with high hardness is avoided, the effect of protecting the cutting member is achieved, and the service life of the cutting member is prolonged.

According to some embodiments of the invention, the cutter is rotatably mounted to the grinding hammer.

According to some embodiments of the invention, the grinding disc has a rotation axis parallel to the rotation axis of the cutter.

According to some embodiments of the invention, the grinding hammer is provided with a mounting hole, and the grinding hammer is movably mounted on the grinding disc through a connecting piece penetrating through the mounting hole; when the cutting piece is in the extending state, the center of the grinding disc, the center of the mounting hole of the grinding hammer and the center of gravity of the cutting piece are positioned on the same straight line, and when the cutting piece is in the retracting state, the center of gravity of the cutting piece is positioned at the rear side of the connecting line of the center of the grinding disc and the center of the mounting hole.

According to some embodiments of the invention, the cutting element is located on a side of the grinding hammer facing away from the grinding disc.

According to some embodiments of the invention, the cutting member and the grinding hammer are provided with a connecting hole, and are rotatably connected through a rotating shaft penetrating through the connecting hole.

According to some embodiments of the invention, the cutting member is configured as a cutter blade, the cutter blade has a blade portion, the grinding hammer is provided with a cutting notch, the blade portion extends to the cutting notch in the extended state and the blade portion is staggered from the cutting notch in the retracted state.

According to some embodiments of the invention, the cutter further comprises a main body part, the main body part is in a fan-shaped structure, the main body part is rotationally connected with the grinding hammer at the center of the fan-shaped structure, and the blade part is arranged at one side of the radial outer end of the main body part.

According to some embodiments of the invention, the grinding hammer is provided with a limiting structure, and the limiting structure is used for limiting the cutting piece when the cutting piece is in the extending state or the retracting state.

According to some embodiments of the invention, the limiting structure is configured as limiting protrusions, the limiting protrusions are two and are respectively located at two sides of the movement direction of the cutting member, and a movement space of the cutting member is defined between the two limiting protrusions.

According to the garbage crusher of some embodiments of the present invention, the cutting member is provided with a balancing weight, and the center of gravity of the balancing weight is staggered with the rotation center of the cutting member.

According to some embodiments of the invention, the cutting element is configured to be telescopically mounted to the grinding hammer.

The garbage crusher according to some embodiments of the present invention further comprises: the shell comprises an upper cavity and a lower cavity, the grinding ring is arranged in the lower cavity, the upper cavity is covered on the upper side of the lower cavity, and the lower cavity is connected with a driving mechanism for driving the grinding disc to rotate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is an exploded view of a garbage shredder according to some embodiments of the present invention;

FIG. 2 is a schematic view of a waste shredder housing upper cavity (with cutter elements in an extended state) according to some embodiments of the present invention;

FIG. 3 is a cross-sectional view of a waste shredder according to some embodiments of the present invention;

fig. 4 is an assembly view of a grinding hammer and a cutting member of the garbage grinder shown in fig. 3;

FIG. 5 is an exploded view of the grinding hammer and cutting member shown in FIG. 4;

FIG. 6 is a schematic view of the grinding hammer and cutting member shown in FIG. 4 in an extended state;

FIG. 7 is a schematic view of the grinding hammer and cutting member shown in FIG. 4 in a retracted state;

FIG. 8 is a schematic view of the cutting member shown in FIG. 4;

fig. 9 is a schematic view of another view of the cutting member shown in fig. 8.

Reference numerals:

the garbage crusher 100 is provided with a plurality of crushing devices,

the polishing ring 10, the polishing chamber 11,

the abrasive disk 20 is provided with a plurality of abrasive grooves,

a grinding hammer 30, a cutting notch 31, a mounting hole 32,

cutting member 40, blade portion 41, main body portion 42, weight 43, rotation shaft 44,

a limit structure 50, a limit protrusion 51, a limit piece 52,

the housing 60, the upper chamber 61, the lower chamber 62,

the connection member 70 is provided with a plurality of locking members,

the coupling hole 80 is formed in such a manner that,

center A of the grinding disc, center B of the mounting hole of the grinding hammer, and center C of gravity of the cutting member.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the applicability of other processes and/or the use of other materials.

Hereinafter, referring to fig. 1 to 9, a garbage crusher 100 according to an embodiment of the present invention is described.

As shown in fig. 1, a garbage crusher 100 according to an embodiment of the present invention includes: a grind ring 10, a grind disc 20 and a cutter 40.

Specifically, a grinding chamber 11 is formed in the grinding ring 10, a grinding disc 20 is rotatably installed in the grinding chamber 11, a grinding hammer 30 is arranged on the grinding disc 20, and the grinding hammer 30 is used for beating objects in the grinding chamber 11. Wherein the grinding hammer 30 and/or the grinding disc 20 are provided with movable cutting members 40, the cutting members 40 have an extended state and a retracted state, the cutting members 40 cut the articles in the grinding chamber 11 in the extended state and are kept away from the articles in the retracted state.

It should be noted that, the "grinding chamber" in the foregoing description is not limited to the height range defined by the grinding ring 10, that is, the "grinding disc 20 is rotatably mounted in the grinding chamber 11" in the foregoing description includes, but is not limited to, that the entire grinding disc 20 is located within the height range defined by the grinding ring 10, or that a part of the grinding disc 20 is located within the height range defined by the grinding ring 10, and another part of the grinding disc is located above or below the grinding ring 10.

It will be appreciated that the grinding ring 10 is formed with a grinding chamber 11, so that garbage can enter the grinding chamber 11, and the grinding disc 20 is provided with a grinding hammer 30, the grinding disc 20 can drive the grinding hammer 30 to rotate in the grinding chamber 11, and the grinding hammer 30 can also rotate relative to the grinding disc 20, so that the grinding hammer 30 can conveniently knock the objects in the grinding chamber 11, so that the objects can be crushed into small particles through collision and friction, and the objects of the small particles can be conveniently discharged.

Further, the grinding hammer 30 and/or the grinding disc 20 are provided with a movable cutting member 40, for example, the grinding hammer 30 is provided with the movable cutting member 40, or the grinding disc 20 is provided with the movable cutting member 40, or the grinding hammer 30 and the grinding disc 20 are provided with the movable cutting member 40, wherein the cutting member 40 has an extended state and a retracted state, and the cutting member 40 cuts an article in the grinding cavity 11 in the extended state and is prevented from being separated from the article in the retracted state.

It should be noted that "avoiding" in the above description refers to that when the cutting member 40 is in the retracted state, the cutting member 40 is not in direct contact with the article in the grinding chamber 11, so as to avoid damage to the cutting member 40 caused by the hardness of the article, and further, the cutting member 40 is protected.

That is, the cutting member 40 is movably coupled to the grinding hammer 30 and/or the grinding disk 20 to facilitate movement of the cutting member 40 between the extended and retracted positions.

From this, be convenient for when the grinding hammer 30 beats the better article of toughness, cutting member 40 can move to the state of stretching out, cutting member 40 that is in the state of stretching out can be when grinding the hammer and beat the article and cut article to the crushing effect of garbage grinder 100 is convenient for strengthen, and when the hardness of article is great, cutting member 40 receives the resistance of rubbish, make cutting member 40 can move to the state of retrieving, cutting member 40 that is in the state of retrieving can dodge article, thereby avoid leading to the damage of cutting member 40 because of the hardness of article is great, with play the effect of protecting cutting member 40, do benefit to the life of extension cutting member 40.

For example, the garbage crusher 100 is constructed as a household in-line garbage disposer that is mounted at a drain opening of a sink and is used to crush kitchen garbage into small particles and discharge it into a sewage.

Specifically, the grinding chamber 11 communicates with the drain opening of the sink so that refuse (an item in the present invention) in the sink can enter the grinding chamber 11 along the drain opening.

Further, the grinding ring 10 is configured as an annular structure, the grinding disc 20 is configured as a circular plate, and the grinding ring 10 and the grinding disc 20 are fixed on the lower cavity 62, wherein the grinding disc 20 is installed in the grinding cavity 11, and at least part of an output end of a motor assembly (not shown in the figure) is suitable for extending to the grinding cavity 11 and rotating in the grinding cavity 11 together with the motor assembly for driving the grinding ring 10.

From this, through grinding dish 20 in grinding chamber 11 rotation to after the rubbish got into grinding chamber 11, through the circumferential rotation of motor assembly control grinding dish 20 in grinding chamber 11 along grinding chamber 11, with the cooperation is ground to the grinding tooth that drives grinding hammer 30 and the inner wall of grinding ring 10 and/or locate on the inner wall of grinding ring 10 through grinding dish 20, thereby realize collision, the friction to rubbish, with the rubbish ground into the granule, and then the rubbish discharge of granule of being convenient for.

Wherein, be equipped with a plurality of discharge holes that distribute at intervals on the lateral wall of grinding ring 10, on the one hand, when grinding ring 10 drives rubbish and grinds the intracavity rotation in 11, can strengthen the grinding effect to rubbish, on the other hand, be convenient for smash the rubbish into the granule after, the timely discharge of discharge hole can be followed to the grainy rubbish.

It should be noted that, since there are various kinds of garbage such as garbage with relatively high hardness or garbage with relatively high toughness, if only the blade is provided, damage to the blade, such as sharpening and chipping, is caused when the garbage with relatively high hardness is crushed, and in the present invention, the movable cutting member 40 is provided on the grinding disc 20 and/or the grinding hammer 30, so that when the cutting blade encounters the garbage with relatively low hardness or relatively high toughness, the cutting member 40 can be in the extended state to cut the garbage, thereby facilitating the crushing effect of the garbage crusher 100, and when the hardness of the garbage is too high, the cutting member 40 can be moved to the retracted state to avoid the damage to the cutting member 40 caused by relatively high hardness of the object, thereby playing a role of protecting the cutting member 40 and being beneficial to prolonging the service life of the cutting member 40.

According to the garbage crusher 100 of the embodiment of the invention, the cutting member 40 has the extending state and the retracting state, when the cutting member 40 is in the extending state, the garbage with good toughness can be cut so as to enhance the crushing effect of the garbage crusher 100, and when the cutting member 40 is in the retracting state, the garbage can be avoided, so that the damage to the cutting member 40 caused by the garbage with higher hardness is avoided, the effect of protecting the cutting member 40 is achieved, and the service life of the cutting member 40 is prolonged.

In some embodiments, cutting member 40 is rotatably mounted to grinding hammer 30.

Therefore, the cutting member 40 is convenient to rotate relative to the grinding hammer 30, the cutting member 40 is convenient to switch between an extending state and a retracting state, and the cutting member 40 is rotatably arranged on the grinding hammer 30, on one hand, the cutting member 40 is convenient to rotate along with the grinding hammer 30, so that when garbage is ground, the cutting member 40 in the extending state can cut the garbage, namely, the garbage is ground and cut simultaneously, the grinding effect of the garbage grinder 100 is enhanced, on the other hand, when the hardness of the garbage is too high, the cutting member 40 rotates relative to the grinding hammer 30 to the retracting state, so that the garbage is avoided, the damage to the cutting member 40 caused by the garbage with high hardness is avoided, the effect of protecting the cutting member 40 is played, and the service life of the cutting member 40 is prolonged.

Further, the rotational axis of the grinding disc 20 and the rotational axis of the cutting member 40 are spaced apart in parallel.

Therefore, the rotation track of the cutting member 40 is at least partially overlapped with the rotation track of the grinding disc 20, so that garbage can be crushed, the grinding hammer 30 and the cutting member 40 can be reasonably arranged, and the assembly difficulty of the grinding hammer 30 and the cutting member 40 can be reduced.

In some embodiments, the grinding hammers 30 are provided with mounting holes, and the grinding hammers 30 are movably mounted to the grinding disk 20 by a connector penetrating through the mounting holes 32; wherein, as shown in fig. 2, the center a of the grinding disc 20, the center B of the mounting hole 32 of the grinding hammer 30, and the center of gravity C of the cutting member 40 are located on the same line when the cutting member 40 is in the extended state, and the center of gravity C of the cutting member 40 is located at the rear side of the line connecting the center a of the grinding disc 20 and the center B of the mounting hole 32 when the cutting member 40 is in the retracted state.

Therefore, the center of gravity C of the cutting member 40 is not connected with the center a of the grinding disc 20 and the center B of the mounting hole 32, so that the eccentric arrangement of the cutting member 40 is realized, and when the grinding disc 20 drives the cutting member 40 to rotate through the grinding hammer 30 and the hardness of the encountered garbage is smaller, the cutting member 40 can be in an extending state to cut the garbage.

It will be appreciated that, as shown in fig. 1, the grinding hammer 30 may be rotatably connected to the grinding disc 20 through a connector 70 penetrating the mounting hole 32, and a limiting member 52 may be provided on the grinding disc 20 to limit the movement range of the grinding hammer 30, so as to achieve collision and friction on the garbage when the grinding disc 20 drives the grinding hammer 30 to rotate relative to the grinding ring 10 or the grinding hammer 30 rotates relative to the grinding disc 20, so as to grind the garbage into small particles.

Further, when the garbage crusher 100 works, the grinding disc 20 drives the cutting member 40 to rotate through the grinding hammer 30, as shown by an arrow in fig. 2, the rotation direction of the grinding disc is clockwise, under the action of centrifugal force, the center a of the grinding disc 20, the center B of the mounting hole 32 of the grinding hammer 30 and the center C of the cutting member 40 are located on the same straight line, and the cutting member 40 is in an extended state at this time, so as to enhance the stability of the cutting member 40 in the extended state, so as to cut and crush garbage, and when the cutting member 40 encounters garbage with high hardness, the cutting member 40 can rotate to a retracted state, and at this time, the center C of the cutting member 40 is located at the rear side of the connecting line of the center a of the grinding disc 20 and the center B of the mounting hole 32, so that the cutting member 40 in the retracted state can be more stable, and shaking of the cutting member 40 can be reduced.

In some embodiments, cutting element 40 is located on a side of grinder hammer 30 facing away from grinding disk 20.

Therefore, the difficulty in mounting the cutting member 40 is reduced, the production efficiency is improved, the rotation of the cutting member 40 relative to the grinding hammer 30 is facilitated, and the switching of the cutting member 40 between the extended state and the retracted state is facilitated.

In some embodiments, as shown in fig. 5, the cutting member 40 and the grinding hammer 30 are each provided with a coupling hole 80, and as shown in fig. 4, the cutting member 40 and the grinding hammer 30 are rotatably coupled by a rotation shaft 44 penetrating into the coupling hole 80.

Thereby, it is facilitated to enhance the connection stability of the cutting member 40 and the grinding hammer 30, and to facilitate the rotation of the cutting member 40 relative to the grinding hammer 30 along the axis of the rotation shaft 44, thereby facilitating the switching of the cutting member 40 between the extended state and the retracted state.

In some embodiments, the cutting member 40 is configured as a cutting blade having a blade portion 41, the grinding hammer 30 being provided with the cutting gap 31, the blade portion 41 extending to the cutting gap 31 in the extended state and the blade portion 41 being offset from the cutting gap 31 in the retracted state.

Therefore, when the cutting member 40 is in the extending state, as shown in fig. 6, the blade portion 41 of the cutting member 40 can extend out of the grinding hammer 30 at the cutting notch 31, so that the garbage can be cut, and when the cutting member 40 is in the retracting state, as shown in fig. 7, the blade portion 41 is staggered from the cutting notch 31, and at this time, the blade portion 41 of the cutting member 40 is not contacted with the garbage, namely, the garbage cannot be cut, so that the damage to the cutting member 40 caused by overlarge hardness of the garbage is avoided, the effect of protecting the cutting member 40 is achieved, and the service life of the cutting member 40 is prolonged.

Alternatively, the blade portion 41 is provided with a sharp on one side of the rotation direction of the grinding disc 20, thereby facilitating the improvement of the cutting effect of the cutter.

In some embodiments, as shown in fig. 4 to 9, the cutter further includes a body portion 42, the body portion 42 is configured in a fan-shaped structure, the body portion 42 is rotatably connected to the grinding hammer 30 at a center of the fan-shaped structure, and the blade portion 41 is provided at one side of a radially outer end of the body portion 42.

Thus, by configuring the main body portion 42 in a fan-shaped structure, the cutter blade is conveniently rotatably mounted on the grinding hammer 30, and by providing the blade portion 41 on one side of the radially outer end of the main body portion 42, when the cutter 40 is in the extended state, the blade portion 41 can be conveniently extended from the cutting notch 31 with respect to the grinding hammer 30, thereby cutting the garbage.

It should be noted that the above-mentioned configuration of the main body 42 in a fan-shaped structure is only for illustration, and is not meant to limit the present invention, i.e., the main body 42 may be configured in other shapes, and is not limited herein.

In some embodiments, as shown in fig. 4-7, a limiting structure 50 is provided on the grinding hammer 30, the limiting structure 50 being used to limit the cutting member 40 when the cutting member 40 is in the extended or retracted state.

That is, the limiting structure 50 can limit the cutting member 40 both when the cutting member 40 is in the extended state and when the cutting member 40 is in the retracted state.

Therefore, by arranging the limiting structure 50, on one hand, as shown in fig. 6, the limiting structure 50 can prevent the cutting member 40 from exceeding the grinding hammer 30 when the cutting member 40 is in the extending state, and on the other hand, when the cutting member 40 rotates from the extending state to the retracting state when encountering garbage with high hardness, as shown in fig. 7, the limiting structure 50 can limit the cutting member 40 in the retracting state, so that the rotation range of the cutting member 40 is limited, and the cutting member 40 is prevented from swinging or rotating greatly.

Further, as shown in fig. 6 and 7, the limiting structure 50 is configured as limiting protrusions 51, the limiting protrusions 51 are two and are respectively located at two sides of the movement direction of the cutting member 40, and a movement space of the cutting member 40 is defined between the two limiting protrusions 51.

Therefore, by arranging the two limiting protrusions 51, the cutting member 40 is limited on two sides of the movement direction of the cutting member 40, so that the cutting member 40 rotates between the two limiting protrusions 51, as shown in fig. 6, when the cutting member 40 rotates to an extending state, the cutting member 40 abuts against the limiting protrusions 51 close to the cutting notch 31, so that the cutting member 40 is prevented from exceeding the grinding hammer 30 too much, as shown in fig. 7, when the cutting member 40 rotates to a retracting state, the cutting member 40 abuts against the limiting protrusions 51 far away from the cutting notch 31, so that the rotation range of the cutting member 40 is limited, and the cutting member 40 is prevented from swinging or rotating to a large extent.

In some embodiments, as shown in fig. 8 and 9, the weight 43 is disposed on the cutting member 40, and the center of gravity of the weight 43 is offset from the rotation center of the cutting member 40.

For example, as shown in fig. 9, the dotted line in fig. 9 is a symmetrical center line of the cutting member 40, the cutting member 40 is configured as an asymmetrical structure, and the weight 43 is located at a side of the symmetrical center line of the cutting member 40 away from the blade portion 41, so that when the garbage crusher 100 is operated, that is, the grinding disc 20 rotates clockwise relative to the grinding ring 10, the cutting member 40 can be extended relative to the grinding hammer 30 at the cutting gap 31 under the action of centrifugal force, thereby facilitating the cutting of garbage.

In other embodiments, cutting element 40 is configured to be telescopically mounted to grinding hammer 30.

From this, can stretch out and draw back for the grinding hammer 30 through setting up cutting member 40 to be convenient for cutting member 40 switch between the state of stretching out and withdrawing, wherein, cutting member 40 can cut rubbish when being in the state of stretching out, and cutting member 40 can dodge rubbish when withdrawing the state, in order to avoid cutting member 40 damage, do benefit to the life of extension cutting member 40.

For example, the grinding hammer 30 is provided with a mounting cavity, the cutting member 40 is telescopically arranged in the mounting cavity, when the cutting member 40 is in an extended state, the cutting member 40 extends relative to the mounting cavity to cut garbage, and when the cutting member 40 is in a retracted state, the cutting member 40 extends into the mounting cavity to avoid garbage.

In some embodiments, the garbage crusher 100 further comprises: a housing 60.

Specifically, the housing 60 includes an upper cavity 61 and a lower cavity 62, the grinding ring 10 is installed in the lower cavity 62, the upper cavity 61 is covered on the upper side of the lower cavity 62, and the lower cavity 62 is connected with a driving mechanism for driving the grinding disc 20 to rotate.

Thus, by providing the housing 60, the grinding ring 10 can be fixed to enhance the structural stability of the grinding ring 10, and the drive mechanism is conveniently coupled to the grinding disk 20 through the lower cavity 62 to drive the grinding disk 20 to rotate relative to the grinding ring 10.

For example, the garbage crusher 100 is constructed as a household in-line garbage disposer that is mounted at a drain opening of a sink and is used to crush kitchen garbage into small particles and discharge it into a sewage.

Specifically, as shown in fig. 1 and 3, the housing 60 includes an upper cavity 61 and a lower cavity 62, the upper cavity 61 and the lower cavity 62 are assembled and connected, and an installation space is defined between the upper cavity 61 and the lower cavity 62, the grinding ring 10 is installed in the installation space and is communicated with the grinding chamber 11, wherein an upper end opening of the upper cavity 61 is adapted to be connected with a water outlet of a water tank, and a lower end of the upper cavity 61 is adapted to be communicated with the grinding chamber 11, so that garbage in the water tank can enter the grinding chamber 11 along the opening of the upper cavity 61.

Further, at least part of the output end of the driving mechanism (not shown) is adapted to extend into the installation space along the lower end of the lower cavity 62 and is connected with the grinding disc 20, so that the driving mechanism drives the grinding disc 20 to rotate in the grinding cavity 11, thereby driving the grinding hammer 30 and the cutting member 40 to rotate, so as to grind and cut the garbage.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A garbage crusher, comprising: the grinding device comprises a grinding ring and a grinding disc, wherein a grinding cavity is formed in the grinding ring, the grinding disc is rotatably arranged in the grinding cavity, a grinding hammer is arranged on the grinding disc, and the grinding hammer is used for beating objects in the grinding cavity;

the grinding hammer and/or the grinding disc are/is provided with a movable cutting piece, the cutting piece has an extending state and a retracting state, and the cutting piece cuts an article in the grinding cavity in the extending state and is kept away from the article in the retracting state.

2. The garbage shredder of claim 1, wherein the cutting element is rotatably mounted to the grinding hammer.

3. A waste shredder according to claim 2, wherein the axis of rotation of the grinding disc and the axis of rotation of the cutter are spaced apart in parallel.

4. The garbage crusher according to claim 2, wherein the grinding hammer is provided with a mounting hole, and the grinding hammer is movably mounted to the grinding disc through a connecting member penetrating the mounting hole;

when the cutting piece is in the extending state, the center of the grinding disc, the center of the mounting hole of the grinding hammer and the center of gravity of the cutting piece are positioned on the same straight line, and when the cutting piece is in the retracting state, the center of gravity of the cutting piece is positioned at the rear side of the connecting line of the center of the grinding disc and the center of the mounting hole.

5. A waste shredder according to claim 2, wherein the cutting element is located on the side of the grinding hammer facing away from the grinding disc.

6. The garbage crusher according to claim 2, wherein the cutting member and the grinding hammer are each provided with a connection hole, and rotatably connected by a rotation shaft penetrating into the connection hole.

7. A waste shredder according to claim 2, wherein the cutting element is configured as a cutter blade having a blade portion, the grinding hammer being provided with a cutting gap, the blade portion extending to the cutting gap in the extended state and being offset from the cutting gap in the retracted state.

8. The garbage crusher according to claim 7, wherein the cutter further comprises a main body portion configured in a fan-shaped structure, the main body portion being rotatably connected to the grinding hammer at a center of the fan-shaped structure, the blade portion being provided on one side of a radially outer end of the main body portion.

9. The garbage crusher of claim 2, wherein the grinding hammer is provided with a limiting structure for limiting the cutting member when the cutting member is in the extended state or the retracted state.

10. The garbage crusher of claim 9, wherein the limiting structure is configured as limiting protrusions, the limiting protrusions are two and are respectively located at two sides of the movement direction of the cutting member, and a movement space of the cutting member is defined between the two limiting protrusions.

11. The garbage crusher according to claim 2, wherein the cutting member is provided with a weight, and the center of gravity of the weight is offset from the center of rotation of the cutting member.

12. A waste shredder according to claim 1, wherein the cutting element is arranged to be telescopically mounted to the grinding hammer.

13. The garbage crusher of claim 1, further comprising: the shell comprises an upper cavity and a lower cavity, the grinding ring is arranged in the lower cavity, the upper cavity is covered on the upper side of the lower cavity, and the lower cavity is connected with a driving mechanism for driving the grinding disc to rotate.