CN206090744U - Grinding mechanism - Google Patents

Abstract

The utility model relates to a grinding mechanism, which is used for being installed in a household garbage processor, the household garbage processor also comprises a hollow grinding cavity and a driving shaft, and the grinding mechanism comprises a grinding cutter, a grinding ring and a cutter wall; the grinding cutter comprises a body part, a shearing part, a cutter head group, a scraping plate and a coupling sleeve; the cutting part comprises a plurality of working teeth, and the cutter wall comprises a plurality of fixed teeth; the coupling sleeve is used for being connected with the driving shaft, and the tool bit group is used for being matched with the working teeth, the fixed teeth and the grinding ring to cut and grind. This grinding machanism carries out preliminary tearing shearing to domestic waste through grinding cutter and sword wall, and the cooperation of grinding circle and shearing portion, tool bit group is carried out further shearing and is ground tearing domestic waste, makes the domestic waste after the grinding can reach the emission requirement, and the bottom of grinding cutter still is equipped with the scraper blade, can prevent that the rubbish after the grinding from piling up in grinding the cavity, improves garbage disposer's life.

Description

grinding mechanism

technical field

The utility model relates to the field of household garbage processors, in particular to a grinding mechanism used in household garbage processors.

Background technique

With the development of the economic era, electrical equipment has become popular in each of our families, especially household garbage disposers, which are compact in structure and easy to use, and have been widely used in our lives. The crushing or grinding cutter is the main component of the household waste disposer, which is responsible for tearing and crushing domestic waste, and then discharging the crushed residue through the outlet pipe.

However, our daily garbage contains soft waste such as diapers and sanitary napkins, which are not easy to be crushed, and the grinding fineness is not high, which may easily cause the motor to jam. If the domestic waste is directly discharged after grinding, it is easy to block the discharge of the garbage processor. mouth and downstream pipelines, bringing unnecessary troubles to life.

Utility model content

Based on this, it is necessary to provide a grinding mechanism used in a household garbage disposer to improve the grinding fineness in view of the problems existing in the current traditional technology.

In order to realize the purpose of the utility model, the utility model adopts the following technical solutions:

A grinding mechanism for being installed in a household garbage disposer, the household garbage disposer also includes a hollow grinding cavity and a driving shaft, the grinding mechanism includes a grinding tool, a grinding tool matched with the grinding tool ring, and a knife wall installed on the grinding ring; the grinding tool is used to be installed in the grinding cavity, and the grinding ring is used to abut on the grinding cavity; the grinding tool includes a body part, a shearing part extending outward from the periphery of the body part, a cutter head group connected to the upper surface of the body part, several scrapers installed under the body part, and a blade installed at the center of the body part Coupling sleeve; the shearing part includes several working teeth, and the knife wall includes several fixed teeth; the coupling sleeve is used to connect with the driving shaft, and the cutter head group is used to connect with the working teeth, fixed teeth, Lapping ring fits for shear grinding.

In one of the embodiments, the grinding ring is provided with first grinding teeth extending obliquely inwardly from the top of the grinding ring, and several second grinding teeth located under the first grinding teeth; the first The lower surface of the grinding tooth is provided with a plurality of arc-shaped concave knife edges, and the edges of each knife edge are connected.

In one embodiment, the second grinding teeth are arranged in a strip shape, and the outer edges of the second grinding teeth are provided with cutting edges, and each of the cutting edges is correspondingly located at the junction of adjacent cutting edges.

In one of the embodiments, the second grinding teeth extend downwards and outwards from the bottom surface of the first grinding teeth, and the blades are arranged downwards and outwards.

In one of the embodiments, the top inner edge of the grinding ring extends inwards with several positioning blocks, and the lower end of the knife wall is provided with several gaps, and the gaps are engaged with the positioning blocks.

In one of the embodiments, the cutter head group includes a wedge-shaped cutter block and a convex line that are oppositely arranged; the top of the wedge-shaped cutter block is arranged in a stepped shape, and one end of the wedge-shaped cutter block is connected to the coupling sleeve , the other end of the wedge-shaped knife block extends obliquely towards the shearing part; the raised strip is arranged in a C shape, one end of the raised strip is connected to the coupling sleeve, and the other end of the raised strip The portion extends toward the edge of the body portion and bends toward the inclined direction of the wedge-shaped knife block.

In one embodiment, the working teeth are arranged in a trapezoidal shape, the working teeth are provided with grooves inclined from top to bottom, and the grooves extend to one side of the working teeth to form a smooth curved surface.

In one embodiment, the scraper is arranged in a V shape, the scraper is placed in the grinding chamber, one end of the scraper is connected to the coupling sleeve, and the other end of the scraper extends to the edge of the body portion.

In one of the embodiments, the body portion is provided with a central hole and several through holes; the body portion extends downward from the central hole to form an arched convex surface, and the bottom of the convex surface is in contact with the shearing portion connection; the through holes are evenly distributed on the main body; the coupling sleeve passes through the central hole and is engaged with the main body; There is a clamping hole, and the clamping hole is used to match and install the driving shaft.

In one of the embodiments, a grinding mechanism includes a grinding tool, a grinding ring matched with the grinding tool, and a knife wall mounted on the grinding ring; the grinding tool includes a body part, from the body The cutting part extending outward from the periphery of the body part, and the cutter head group installed on the upper surface of the body part; the cutting part includes several working teeth, and the knife wall includes several fixed teeth; the cutter head group is used for Cooperate with the working teeth, fixed teeth, and grinding rings for shearing and grinding; the grinding ring is provided with first grinding teeth extending inwardly from the top of the grinding ring, and several grinding teeth below the first grinding teeth The second grinding tooth; the lower surface of the first grinding tooth is provided with a plurality of arc-shaped concave knife edges, and the edges of each of the knife edges are connected; the outer edge of the second grinding tooth is provided with a blade, and each of the blades corresponds to It is located at the junction of two adjacent knife edges.

Compared with the prior art, the beneficial effect of the grinding mechanism of the utility model is that the grinding mechanism performs preliminary tearing and shearing of domestic waste through the grinding tool and the knife wall, and the grinding ring cooperates with the cutting part and the knife head group. Another step of shearing and grinding is performed on the torn domestic waste, so that the ground domestic waste can meet the discharge requirements. There is also a scraper at the bottom of the grinding tool, which can prevent the ground waste from accumulating in the grinding chamber and improve waste disposal. service life of the device.

Description of drawings

Figure 1 is a three-dimensional schematic diagram of a grinding mechanism of a preferred embodiment of the present invention after it is connected with other components;

Fig. 2 is an exploded perspective view of the grinding mechanism shown in Fig. 1;

Fig. 3 is a three-dimensional schematic diagram of a grinding tool of the grinding mechanism shown in Fig. 1;

Fig. 4 is a three-dimensional schematic diagram of a lapping ring of the lapping mechanism shown in Fig. 1;

Fig. 5 is the enlarged schematic view of A place of the grinding mechanism shown in Fig. 4;

FIG. 6 is a schematic bottom perspective view of the grinding mechanism shown in FIG. 4 .

detailed description

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model.

Please refer to Fig. 1 to Fig. 6, which is a grinding mechanism 90 of a preferred embodiment of the present invention, which is used to be installed in a household garbage disposer 100; the household garbage disposer 100 also includes a hollow grinding cavity 80 And the driving shaft 70; the grinding mechanism 90 includes a grinding tool 10, a grinding ring 20 matched with the grinding tool 10, and a knife wall 30 installed on the grinding tool 10; the grinding tool 10 is used to be installed in the grinding cavity 80 Inside, the grinding ring 20 is used to abut against the grinding cavity 80, the driving shaft 70 drives the grinding tool 10 to rotate in the grinding cavity 80, and the domestic waste is ground and pulverized with the rotation of the grinding tool 10, and the knife The wall 30 cooperates with the grinding tool 10 and the grinding ring 20 to jointly shear the domestic waste, and the crushed domestic waste is discharged from the grinding chamber 80 .

The grinding tool 10 includes a disc-shaped body portion 11, a shearing portion 12 extending outward from the periphery of the body portion 11, a cutter head group 13 connected to the upper surface of the body portion 11, and several scrapers 14 installed below the body portion 11. , and the coupling sleeve 15 installed at the center of the body part 11;

The body portion 11 is provided with a central hole 110 and a plurality of through holes 112; the body portion 11 extends downward from the central hole 110 to form an arched convex surface, and the bottom of the convex surface is connected with the shearing portion 12, so the plane where the shearing portion 12 is located is low. On the plane where the body part 11 is located, domestic garbage and water can flow down to the shearing part 12, which is convenient for rapid shearing and grinding. The through holes 112 are evenly distributed on the main body 11 , so that part of the water and fine domestic waste can be drained out of the grinding tool 10 through the through holes 112 , so as to reduce the workload of the grinding tool 10 . In this embodiment, the through hole 112 is a round hole.

The shearing part 12 includes several working teeth 120, the working teeth 120 are arranged in a trapezoidal shape, and its side faces are inclined downwards and inwards. The working teeth 120 are provided with a groove 122 inclined from top to bottom, and the groove 122 extends to One side of the working tooth forms a smooth curved surface, and the groove 122 can increase the collision between the domestic waste and the shearing part 12, and regrind the domestic waste to make the domestic waste into fine particles, which flow down the curved surface smoothly and flow out of the grinding tool outside.

The cutter head group 13 includes a wedge-shaped cutter block 130 and a convex strip 131 arranged oppositely;

The top of the wedge-shaped knife block 130 is stepped, one end of the wedge-shaped knife block 130 is connected to the coupling sleeve 15, and the other end of the wedge-shaped knife block 130 extends obliquely towards the shearing portion 12 to match the grinding ring 20 for grinding. During the rotation of the grinding tool 10 , the wedge-shaped cutter block 130 can cover the widest area, and also increases the matching degree between the wedge-shaped cutter block 130 and the inner wall of the grinding ring 20 .

The convex strip 131 is arranged in a C shape, one end of the convex strip 131 is connected to the coupling sleeve 15, the other end of the convex strip 131 extends toward the edge of the body part 11 and bends toward the inclined direction of the wedge-shaped knife block 130, the convex strip 131 The height is lower than the height of the wedge-shaped knife block 130, and the convex strip 131 can make the domestic garbage form an irregular vortex during the rotation of the grinding tool 10, so as to increase the tearing depth, so that soft garbage such as diapers and sanitary napkins can be well cleaned. Torn and shattered.

The scraper 14 is arranged in a V shape, and the scraper 14 is placed in the grinding chamber 80. One end of the scraper 14 is connected to the coupling sleeve 15, and the other end of the scraper 14 extends to the edge of the main body 11, so that the grinded Household garbage can be discharged from the discharge port of the grinding cavity 80 through the scraper 14 to prevent the accumulation of garbage in the grinding cavity 80 .

The coupling sleeve 15 passes through the central hole 110 of the body portion 11, and is clamped with the body portion 11; the coupling sleeve 15 is provided with a clamping platform 150, and the clamping platform 150 is provided with a clamping hole 151, and the clamping hole 151 is used to cooperate with the installation described The driving shaft 70 makes the driving shaft 70 tightly connected with the grinding disc 20. Specifically, the top of the coupling sleeve 15 is also provided with a protective sleeve, and the bottom of the coupling sleeve 15 is sleeved on the grinding cavity 80, and the 15. Moisture and domestic waste cannot pass through the center hole 110 and flow into the motor (not shown) along the driving shaft 70; the card table 150 also has an anti-swing effect to prevent the grinding disc 20 from shaking from side to side during work.

The grinding ring 20 is installed on the grinding cavity 80 and is sleeved outside the grinding tool 10; the grinding ring 20 is provided with a first grinding tooth 21 extending inwardly from the top of the grinding ring 20, and a tooth under the first grinding tooth 21. A number of second grinding teeth 22, and a number of positioning blocks 23; the positioning block 23 extends inwardly along the top inner edge of the grinding ring 20; A plurality of knife edges 210 are connected at the edge of each knife edge 210; the second grinding teeth 22 are arranged in a rectangular shape, and the second grinding teeth 22 extend downward and outward from the bottom surface of the first grinding teeth 21, and the outer edges There are blades 220, and the blades 220 are arranged downwards and outwards, and each blade 220 is correspondingly located at the junction of adjacent blades 210, and the blades 220 and blades 210 cooperate with the grinding tool 10 to jointly shear and grind the household garbage , so that domestic waste is ground finer. During installation, the center of the grinding cavity 80 has a mounting hole 81 for installing the drive shaft 70, a mounting groove 82, and a number of fixed blocks 83; the mounting hole 81 is sleeved on the coupling sleeve 15, so that the drive shaft 70 passes through the grinding cavity 80 is connected to the grinding tool 10; the outer wall of the grinding ring 20 cooperates with the inner wall of the grinding cavity 80 and is arranged on the installation groove 82, and a number of latch openings 24 are also provided on it, and the latch openings 24 are engaged with the fixed block 83 to make the garbage disposer During operation, the grinding ring 20 will not shake around.

The knife wall 30 is arranged in a circular shape, and the lower end of the knife wall 30 is provided with a plurality of notches 31 , and the notches 31 are engaged with the positioning block 23 . The knife wall 30 includes a number of fixed teeth 32, which extend inward from the knife wall 30 and are evenly arranged and distributed. The fixed teeth 32 cooperate with the knife head group 13 to tear and shear fibrous materials such as diapers and sanitary napkins; Specifically, the fixed teeth 32 also have a blocking effect, preventing domestic garbage from splashing upwards and returning to the grinding chamber again, so as to improve grinding efficiency.

The grinding mechanism 90 of the present utility model performs preliminary tearing and shearing of the domestic garbage through the grinding tool 10 and the knife wall 30, and the grinding ring 20 cooperates with the cutting part 12 and the cutter head group 13 to reprocess the torn domestic garbage. One-step shearing and grinding, so that the ground domestic garbage can meet the discharge requirements, and the bottom of the grinding tool 10 is also equipped with a scraper 14, which can prevent the ground garbage from accumulating in the grinding cavity 80, and improve the service life of the garbage processor 100 .

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. a kind of grinding mechanism, in a Domestic device for disintegrating garbage, the Domestic device for disintegrating garbage also to be included in The grinding cavit and driving shaft of sky, it is characterised in that the grinding mechanism includes that milling cutter and the milling cutter are supporting Bull ring and the knife wall on the bull ring；The milling cutter is used to be arranged in the grinding cavit, described Bull ring is used to be connected to the grinding cavit；The milling cutter is including body, from the body periphery to extension The cut part stretched, some scraper plates, the Yi Jian that are connected to below the cutter head group of the body upper surface, the installation body It is mounted in the coupling band of the body center；If the cut part includes tooth of working, the knife wall includes some fixing tooths； The coupling band is used to be connected with the driving shaft, and the cutter head group is used to coordinate to carry out with work tooth, fixing tooth, bull ring Shearing grinding.

2. grinding mechanism according to claim 1, it is characterised in that be provided with the bull ring from bull ring top Slope inwardly the first tooth lapping and some second tooth lappings under first tooth lapping for extending；Described first grinds Roll flute lower surface is provided with some edges of a knife of arc concave shape, is connected at each knife-edge.

3. grinding mechanism according to claim 2, it is characterised in that the elongated setting of second tooth lapping, it is described The outer ledge of the second tooth lapping is provided with blade, and each blade correspondence is positioned at the junction of the adjacent edge of a knife.

4. grinding mechanism according to claim 3, it is characterised in that second tooth lapping is from first tooth lapping Bottom surface is downward, outward-dipping extended, and the blade is in downward, outward-dipping setting.

5. grinding mechanism according to claim 4, it is characterised in that the top inner edge of the bull ring extends internally some Locating piece, the bottom of the knife wall is provided with some breach, and the breach sets with the locating piece card.

6. grinding mechanism according to claim 1, it is characterised in that the cutter head group includes the wedge shape cutter block being oppositely arranged And raised line；The top of the wedge shape cutter block is arranged in notch cuttype, and the one end of the wedge shape cutter block is connected with the coupling band, institute The other end for stating wedge shape cutter block inclines extension towards the cut part；The C-shaped setting of the raised line, the one end of the raised line It is connected with the coupling band, the other end of the raised line extends towards the edge of body and inclines towards the wedge shape cutter block Direction bends.

7. grinding mechanism according to claim 1, it is characterised in that the trapezoidal setting of the work tooth, the work tooth Inclined groove from top to bottom is provided with, the groove extends to the work tooth one side and forms smooth curved surface.

8. grinding mechanism according to claim 1, it is characterised in that the V-shaped setting of the scraper plate, the scraper plate is placed in and grinds In mill chamber body, the one end of the scraper plate is connected with the coupling band, and the other end of the scraper plate extends to the body Edge.

9. grinding mechanism according to claim 1, it is characterised in that the body is provided with centre bore and some logical Hole；The body is downwardly extending the convex surface for arching upward from the centre bore, and the bottom of the convex surface connects with the cut part Connect；The through hole is evenly distributed on body；The coupling band passes through the centre bore, with the body clamping；It is described Chuck is provided with coupling band, the chuck is provided with hole clipping, and the hole clipping installs the driving shaft to coordinate.

10. a kind of grinding mechanism, it is characterised in that including bull ring, Yi Jian that milling cutter and the milling cutter coordinate The knife wall being mounted on the bull ring；The shearing that the milling cutter includes body, stretches out from the body periphery Portion and the cutter head group installed in the body upper surface；If the cut part includes tooth of working, if the knife wall includes Dry fixing tooth；The cutter head group is used to coordinate to carry out shearing grinding with work tooth, fixing tooth, bull ring；In the bull ring The first tooth lapping and some below first tooth lapping for extending that slopes inwardly is provided with from bull ring top Second tooth lapping；The first tooth lapping lower surface is provided with some edges of a knife of arc concave shape, is connected at each knife-edge； The outer ledge of second tooth lapping is provided with blade, and each blade correspondence is positioned at the junction of the two neighboring edge of a knife.