KR102157660B1 - Grinder - Google Patents

Abstract

The present invention relates to an easy-to-clean grinder and, more specifically, to an easy-to-clean grinder which includes a main body with a coffee bean inlet, and a coffee bean input unit provided in the coffee bean inlet. The coffee bean input unit can be easily separated from the main body by rotating a second fastening ring through a fastening unit consisting of a fastening protrusion, a first fastening ring with a first fitting groove, and the second fastening ring with a second fitting groove. Therefore, a first grinding blade and a second grinding blade provided inside the main body can be easily cleaned.

Description

Easy to clean grinder{GRINDER}

The present invention relates to a grinder that is easy to clean, and more particularly, comprises a main body having a coffee bean inlet and a coffee bean inlet unit provided at the bean inlet, a fastening protrusion, a first fastening with a first fitting groove The coffee bean input unit can be easily separated from the main body by rotating the second fastening ring through a fastening unit consisting of a ring and a second fastening ring with a second fitting groove formed therein, so that a first grinding blade provided inside the body and It relates to an easy-to-clean grinder designed to easily clean the second grinding blade.

In general, in order to extract drinking coffee, roasted coffee beans are pulverized to an appropriate size. At this time, if the pulverized particles are fine, the area in contact with the water is large, so the taste and aroma resemble quickly when extracting coffee, but the taste is easy to be bitter or astringent. It is difficult to extract in sufficient condition.

Therefore, in order to extract coffee having good taste and aroma, it is desirable to grind ground coffee to an appropriate size, and there are various technologies related to such a bean grinder.

As a prior art, there is a registered patent No. 10-0552222 "Coffee coffee grinder" (hereinafter referred to as "Prior Art 1").

The prior art 1 is a rotary cutter that rotates by driving a motor and has a grinding blade on its upper surface, and a fixed cutter that is installed at a distance from the top of the rotary cutter and has a grinding blade on the lower surface and a raw material inlet in the center thereof. , A worm wheel connected to the fixed cutter through screw coupling for elevating and lowering the fixed cutter, a worm coupled to an outer circumference of the worm wheel to rotate the worm wheel, and a spacing control motor rotating the worm in forward and reverse directions. It relates to a pulverizing device comprising.

Furthermore, there is a conventional patent publication No. 10-2018-0127334 "Coffee bean roasting and grinding device" (hereinafter referred to as'Prior Art 2').

In the prior art 2, the coffee beans are roasted in the bean container 12, and the roasted coffee beans are cut through the through hole 14 of the bean container 12, and the upper grinding blade 54 and the lower part grinding blade 62 ) Is transferred between the pulverized, and the gap between the upper crushing blade 54 and the lower part crushing blade 62 can be adjusted using a knob 64 is proposed.

However, the two conventional technologies (Prior Art 1 and Prior Art 2) require the user to loosen the bolt for fixing the upper housing (case) using a screwdriver in order to clean the grinding blade inside for maintenance. In addition, there is a possibility of loss of the bolt, and the screw thread of the bolt or the thread of the bolt hole may be worn due to frequent tightening and loosening of the bolt, or the head of the bolt may be worn, resulting in a problem that the tightening and loosening operation is not performed smoothly. .

As a conventional technology that solves the above problems, there is a registered patent No. 10-1122278 "Automatic ground coffee grinder" (hereinafter referred to as "Prior Art 3").

In the prior art 3, the present invention comprises a grinder body having a storage container built in the lower part, a hopper detachably installed on the upper side of the grinder body, a grinding blade assembly installed inside the hopper to grind coffee beans, and the grinder In an automatic coffee grinder having a cover provided on an upper portion of the main body and a driving motor provided on the cover, the grinding blade assembly 30 includes a fixed grinding blade 31 coupled to a shaft member 33, It has a rotary grinding blade 32 coupled to the inside of the hopper 20, and the drive shaft 51 and the shaft member 33 of the drive motor 50 are connected detachably by a joint 60 , The shaft member 33 is rotatably coupled to the intermediate portion of the shaft member 33 and the support member 71 which is installed in the hopper 20 through the through hole 71a formed therein. A crushing size control mechanism 70 comprising an elevating member 72 screwed with the member 71, and an adjustment lever 73 connected to the elevating member 72 and extending to the outside of the grinder body 10. We are presenting more equipped automatic grinders.

In the prior art 3, one side of the cover is hinged and a fixing means such as a clamp is introduced on the other side. In order to separate the inner grinding blade assembly even when the cover is opened, the shaft member is separated from the grinding blade after separating the hopper. It is a structure that can separate the crushing blade, and although it can be easily disassembled, a process of disassembling the shaft member once more is required, and there are many components of the assembly during disassembly, so there may be a risk of loss and difficulty in reassembly.

Therefore, the present invention was devised to solve the above problem,

The coffee bean input unit provided at the top of the main body including the hopper for inserting coffee beans is easily separated from the main body through the fastening unit so that the first and second milling blades inside the main body can be taken out through the bean input hole and cleaned. It is an object of the present invention to provide a grinder that is easy to clean.

Specifically, the fastening unit is composed of a fastening protrusion provided below the coffee bean input unit, a first fastening ring having a first fitting groove, and a second fastening ring having a second fitting groove to rotate the second fastening ring It is an object of the present invention to provide an easy-to-clean grinder that allows the coffee bean input unit to be easily separated from the main body or coupled to and fixed to the main body.

More specifically, when the positions of the first fitting groove and the second fitting groove match, the fastening protrusion is configured to be detachable, and when the positions of the first fitting groove and the second fitting groove are shifted, the fastening protrusion is It is an object of the present invention to provide an easy-to-clean grinder configured to securely fix the coffee bean input unit by preventing it from exiting from the 2 fitting groove.

In order to achieve the above object, the easy-to-clean grinder according to the present invention

Including a main body having a coffee bean inlet and the first and second crushing blades provided in the main body, the coffee that has been inputted by rotation of the second crushing blade between the first crushing blade and the second crushing blade is As provided in a grinder configured to be pulverized,

A coffee bean input unit provided at the bean input port and including an input hopper for inputting coffee beans;

A fastening protrusion formed under the coffee bean input unit, a first fastening ring provided at an edge of the coffee bean inlet and having a first fitting groove so that the fastening protrusion is seated, and rotatably provided above the first fastening ring, and the fastening A fastening unit including a second fastening ring having a second fitting groove through which the protrusion passes;

Consists of including,

When the second fastening ring is rotated so that the positions of the first fitting groove and the second fitting groove coincide, the coffee bean input unit can be separated from the main body as the fastening protrusion can pass through the second fitting groove. It characterized in that it is made.

As described above, the easy-to-clean grinder according to the present invention

In a grinder consisting of a main body, a first crushing blade and a second crushing blade, the coffee bean input unit, which is coupled to the coffee bean input port of the main body and includes a hopper for inserting beans, is configured to be easily separated from the main body through a fastening unit. The convenience and speed of maintenance can be expected as the grinding blades inside the body can be removed and cleaned easily without the need to loosen the bolts.

In particular, in the case of separating the coffee bean dispensing unit, it prevents the loss of components as the components are not separated individually, and can be easily separated and assembled. It works.

Specifically, the fastening unit has a simple structure consisting of a fastening protrusion, a first fastening ring, and a second fastening ring, and is configured to separate the coffee bean input unit by simply rotating the second fastening ring. There is an effect that the coffee bean input unit can be easily separated without a separate tool such as a screwdriver.

1 is a perspective view of a crusher according to the present invention
2 is an exploded perspective view of a fastening unit part of a crusher according to the present invention
Figure 3 is an embodiment of a fastening unit provided in the crusher according to the present invention
Figure 4 is a cross-sectional view showing a pulverized particle size control device of the pulverizer according to the present invention
5 is a detailed view of a stopper according to the present invention
6 and 7 are an implementation view of a stopper according to the present invention

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention will be described in detail in the text of the bar, implementation (態樣, aspect) (or embodiment) that can apply various changes and can have various forms. However, this is not intended to limit the present invention to a specific form of disclosure, and it should be understood that all changes, equivalents, and substitutes included in the spirit and scope of the present invention are included.

In each drawing, the same reference numerals, in particular the number of tens and ones, or the same number of tens, ones, and alphabet indicate members having the same or similar functions, and unless otherwise specified, each of the drawings The member indicated by the reference number can be identified as a member conforming to these criteria.

In addition, the components in each drawing are expressed by exaggeratingly large (or thick) or small (or thin) or simplified the size or thickness in consideration of the convenience of understanding, but this limits the scope of protection of the present invention. It shouldn't be.

The terms used in the present specification are only used to describe specific embodiments (sun, 態樣, aspect) (or examples), and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as ~include~ or ~consist~ are intended to designate the presence of features, numbers, steps, actions, components, parts, or a combination thereof described in the specification, but one or more other features It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance the possibility of being added.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

The easy-to-clean grinder (G) according to the present invention relates to a grinder (G) for grinding coffee beans, and includes a bean input unit (30) and a fastening unit (20).

Looking at the basic configuration of the grinder G through the perspective view of Fig. 1 and the cross-sectional view of Fig. 4, a main body 10 having a bean input port 14 formed thereon, and a coffee bean input unit 30 provided in the bean input port 14 ), which is provided inside the main body 10 and comprises a first grinding blade 11 and a second grinding blade 12 for pulverizing the coffee beans,

First, in the present specification, the main body 10 shows that a grinder (G) for inserting and grinding coffee beans and a tamping machine (T) for tamping the powder after putting the ground coffee beans (powder) into the portafilter are shown In this regard, the tamping machine T includes an upper clamp T1 and a lower clamp T2 provided at one side of the grinder G to mount a porta filter, and a tamper T3 for elevating and descending tamping operation Is provided, and the grinder (G) and the tamping machine (T) may be controlled through different control units 16, respectively, or may be controlled through a single control unit 16, and the scope of the rights should not be limited and interpreted. .

In addition, the present invention is characterized by the structure of the pulverizer G, and unlike the drawings, the tamping machine T may not be provided.

Again briefly explaining the driving principle of the easy-to-clean grinder G according to the present invention, when the beans are put into the coffee bean inlet 14 through the bean input unit 30, the main body 10 It is a structure that is pulverized into powder and discharged between the first crushing blade 11 and the second crushing blade 12 by rotation of the second crushing blade 12, and for this purpose, the second crushing blade 12 is rotated. It is obvious that the rotating motor 18 is provided therein, and the present invention is designed to be able to adjust the pulverization particle size as well, and the first crushing blade 11 and the second crushing blade are (12) The method of adjusting the separation distance between them is adopted, which will be described in more detail below.

A coffee bean inlet 14 for inserting coffee beans is formed in the upper part of the main body 10, and the bean inlet unit 30 is coupled to the inlet.

The coffee bean input unit 30 includes an input hopper 31, a particle size control unit 33 and a stopper 35, and the configuration and operation of the particle size control unit 33 and the stopper 35 are as follows. It will be described in more detail below.

First, the input hopper 31 has a wide upper and narrow lower shape to store a large amount of coffee beans, and a coffee bean input hole communicating with the coffee bean input port 14 at the lower portion of the input hopper 31 ( 311) is formed so that the beans inside the input hopper 31 can be fed into the coffee bean input port 14 through the bean input hole 311 by gravity.

A large amount of coffee beans are stored in the input hopper 31, and when the grinder G according to the present invention is operated, there may be a problem that the stored beans are infinitely supplied. In order to be put into (14), a separate opening and closing member 313 is further provided.

The opening/closing member 313 is provided at the lower end of the input hopper 31 and is hinged through a hinge portion to be rotatable to open and close the bean input hole 311 of the input hopper 31. .

In this configuration, when the user inserts coffee beans, the opening member 313 is rotated to open the coffee bean input hole 311 so that the beans can be introduced into the coffee bean input port 14, and thereafter, the opening and closing member The coffee bean input hole 311 is closed by rotating 313 to prevent further coffee from being added, and then the grinder G is operated to pulverize a certain amount of coffee beans.

A separate control unit 16 is further provided on the outer surface of the main body 10 to operate the grinder G, and a porta filter seating unit 151 is provided in the discharging unit 15 from which the pulverized beans are discharged. It is formed so that the user can fix the porta filter so that the beans discharged through the discharging unit 15 can be directly accommodated in the porta filter.

A separate grinding load housing 335 is further provided below the main body 10, and more precisely, the coffee bean inlet 14, and an elevating member 333 is coupled to the inside of the grinding load housing 335, It consists of a structure in which the first grinding blade 11 is coupled to the lower part of the descending member 333.

In addition, the second crushing blade 12 is located under the first crushing blade 11, but is not coupled to the first crushing blade 11, and is coupled to the rotation shaft of the rotary motor 18, accordingly When the rotary motor 18 is operated, the second crushing blade 12 rotates to crush and discharge the beans introduced between the first crushing blade 11 and the second crushing blade 12.

In more detail, both the first crushing blade 11 and the second crushing blade 12 are made in a ring shape, and the beans are placed in the center of the first crushing blade 11 and the second crushing blade 12 When introduced, the second crushing blade 12 rotates to push the coffee beans into the gap between the first crushing blade 11 and the second crushing blade 12 by centrifugal force, It consists of a structure in which the ground beans can be discharged through the discharge part 15 of the main body 10 by discharging to the outside of the 2 crushing blade 12.

According to the above configuration, the first crushing blade 11 and the second crushing blade 12 are provided inside the main body 10, and the residue generated by the crushing of the coffee beans is the first crushing blade 11 or the second crushing blade. Since the blade 12 remains on the blade 12 and may cause hygiene problems and operational problems, frequent cleaning is required, and conventionally, the hassle of loosening the bolts one by one due to the use of bolts has occurred. Accordingly, in the present invention Through the configuration of the fastening unit 20, the separation of the coffee bean input unit 30 is facilitated to facilitate cleaning.

The fastening unit 20 is largely composed of a fastening protrusion 21, a first fastening ring 23, and a second fastening ring 25. For each configuration, refer to FIGS. 2 and 3 in more detail. Let me explain.

First, the fastening protrusion 21 is provided under the coffee bean input unit 30, and more precisely, a plurality of the fastening protrusions 21 are provided on the lower outer surface of the fixing ring 351 to be described later.

The first fastening ring 23 is provided on the top of the main body 10, and as shown in the drawing, it is preferable that the first fastening ring 23 is formed integrally with the top of the main body 10, and a more accurate position is the bean inlet ( 14) It is formed in a ring shape along the outer peripheral surface.

The second fastening ring 25 is provided on the top of the first fastening ring 23 in the same manner as the first fastening ring 23, and the second fastening ring 25 is the first fastening ring 23 It characterized in that it is provided to be rotatable from, and a handle protrusion 253 for rotation of the second fastening ring 25 is further provided on the outside.

In addition, a plurality of first fitting grooves 231 are formed inside the first fastening ring 23, and a plurality of second fitting grooves 251 are formed inside the second fastening ring 25, When the first fitting groove 231 and the second fitting groove 251 are placed in a position coincident with each other, the fastening protrusion 21 is formed in a position to be retracted.

Prior to describing the operation of the fastening unit 20, the second fastening ring 25 is rotatably fastened to the top of the first fastening ring 23, and for this purpose, a fixing means 27 is further provided. Will be provided.

The fixing means 27 includes a long hole 273 formed in the first fastening ring 23, a fixing hole 271 formed in the second fastening ring 25, and a fixing bolt fastened to the long hole 273 It is made including 275.

First, a long hole 273 formed along the first fastening ring 23 is formed in the first fastening ring 23, and a fixing capable of communicating with the long hole 273 is formed in the second fastening ring 25. A ball 273 is formed.

The fixing bolt 275 passes through the long hole 273 and is coupled to the fixing hole 271, and the first fastening ring 23 and the second fastening ring 25 are formed by the fixing bolt 275. Doedoe firmly fixed to each other, as the fixing bolt 275 is movable within the long hole 273, the second fastening ring 25 is the length of the long hole 273 from the top of the first fastening ring 23 It is made so that it can be rotated as much as possible.

In addition, the fixing means 27 is preferably provided with a plurality of two or more, this should not be interpreted to limit the scope of the right.

Referring to Figures 2 and 3, looking at the operation of the fastening unit 20,

First, the first fitting groove 231 is made of a plurality of grooves spaced apart at a predetermined interval inside the first fastening ring 23, and the second fitting groove 251 is inside the second fastening ring 25. A plurality of grooves are spaced apart at regular intervals.

The distance between the plurality of first fitting grooves 231 and the distance between the plurality of second fitting grooves 251 are made equal, and this distance is equal to the distance between the fastening protrusions 21 same.

First, based on the assembly state of the coffee bean input unit 30, the second fastening ring 25 is rotated so that the first fitting groove 231 and the second fitting groove 251 are misaligned, At this time, the fastening protrusion 21 is inserted into the first fitting groove 231.

That is, since the first fitting groove 231 and the second fitting groove 251 are in a misaligned state, the fastening protrusion 21 cannot be separated from the first fitting groove 231 in the upper direction, and thus The coffee bean input unit 30 is kept firmly fixed.

In addition, in the case of separating the coffee bean input unit 30, the user rotates the second fastening ring 25 to match the positions of the first fitting groove 231 and the second fitting groove 251,

As the positions of the first fitting groove 231 and the second fitting groove 251 coincide, the fastening protrusion 21 passes through the second fitting groove 251 from the first fitting groove 231 to the upper part. It may be separated in the direction, which means that the coffee bean input unit 30 is separated from the main body 10.

That is, when the coffee bean input unit 30 is separated from the main body 10 in the same manner as described above, the user can use the components provided inside the main body 10, that is, the first crushing blade 11 and the second crushing blade 12 ) Can be lifted upward and easily taken out through the coffee bean inlet 14 to facilitate cleaning.

Again, the easy-to-clean grinder (G) according to the present invention further includes a particle size control unit 33 to control the particle size of the beans to be pulverized, and this particle size adjustment method is the first grinding blade as mentioned above. It takes the method of adjusting the distance to the second grinding blade 12 by raising and lowering (11).

To this end, an elevating member 333 is coupled to an upper portion of the first crushing blade 11, and a screw thread 333A is formed on the outer surface of the elevating member 333,

A corresponding screw thread 335A corresponding to the screw thread 333A is formed directly inside the upper portion of the crushing load housing 335, or a ring nut is further provided on the crushing load housing 335, and the ring nut A corresponding screw thread 335A is formed so that the elevating member 333 can be screwed into the crushing load housing 335.

That is, as the crushing load housing 335 (or the ring nut) and the elevating member 333 are screwed together, when the crushing load housing 335 is rotated, it is moved up and down by the screw thread 333A. And, the first crushing blade 11 coupled to the lower part of the elevating member 333 has the effect of adjusting the separation distance from the second crushing blade 12 by elevating and descending,

The present invention is characterized in that a separate adjustment ring 331 is further provided to rotate the elevating member 333 so that the user can easily adjust the pulverization particle size.

In the present specification and drawings, the particle size adjustment unit 33 refers to a configuration including all of the adjustment ring 331, the elevating member 333 and the crushing load housing 335, and the stopper 35 to be described later is a fixing ring 351 ), a stopping member 353 and a stopping knob 355, and since any specific location cannot be indicated, reference numerals should be omitted in the drawings, and the scope of the rights should not be limited and interpreted. do.

Again, an adjustment ring 331 is coupled to the upper part of the elevating member 333 so that when the adjustment ring 331 is rotated, the elevating member 333 is interlocked to rotate, and the adjustment ring 331 It is provided in the bean inlet 14 on the upper body 10 in a ring shape.

In addition, a scale part 331C is provided on the outer surface of the adjustment ring 331, and a marking protrusion 141 is provided on the upper part of the main body 10, so that the scale part 331C indicated by the marking protrusion 141 is provided. It allows users to easily adjust the pulverization particle size.

At this time, in the case of adjusting the pulverization particle size by rotating the adjustment ring 331 as described above, the adjustment ring 331 randomly rotates due to vibrations or unintended impacts generated by the operation of the pulverizer G There may be a problem in which is changed.

Accordingly, the present invention is characterized in that the stopper 35 is further provided to prevent the pulverization particle size from being arbitrarily changed as the rotation of the adjustment ring 331 is disallowed.

The configuration of the stopper 35 will be described in more detail with reference to FIGS. 6 and 7.

The stopper 35 is provided on the inner side of the adjustment ring 331, a fixing ring 351 having a toothed portion 351A formed on the outer surface fixed to the body 10 by the fastening unit 20, and the adjustment It is provided on the ring 331 and comprises a stopping member 353 having a corresponding toothed portion 353A so as to mesh with the toothed portion 351A.

More specifically, first, a fixed ring 351 formed in a ring shape is fixedly coupled to the inner side of the adjustment ring 331, and a toothed portion 351A made of a plurality of projections is formed on the outer surface of the fixed ring 351 In addition, the above-mentioned fastening protrusion 21 is formed to protrude outward under the toothed portion 351A.

In addition, at one side of the adjustment ring 331, a block 331A for embedding the stopping member 353, which will be described later, is protruded, and can be fastened to the toothed portion 351A inside the block 331A. The stopping member 353 is provided with corresponding teeth 353A.

Therefore, when the stopping member 353 provided inside the block 331A advances in the direction of the fixing ring 351 and the toothed portion 351A and the corresponding toothed portion 353A are mutually fastened, the adjustment ring 331 Is not allowed to rotate,

When the stopping member 353 retreats and the toothed portion 351A and the corresponding toothed portion 353A are spaced apart from each other, the adjustment ring 331 is allowed to rotate to adjust the pulverized grain size of the coffee beans.

Further, in the coupling and releasing operation of the toothed portion 351A and the corresponding toothed portion 353A, the stopping member 353 may be shifted to an ascending or descending operation, and the scope of the right should not be limited and interpreted. do.

Further, in order to make the operation of the stopping member 353 easier, the stopper 35 is coupled to the stopping member 353 to protrude toward one side of the adjusting ring 331. ) May be further included.

The block 331A is formed integrally with the adjusting ring 331, and a separate through hole 331Aa is formed in the center of the block 331A, and the shaft portion 355B of the stopping knob 355 to be described later is It is coupled to the stopping member 353 by passing through the through hole 331Aa.

Specifically, the stopping knob 355 is a knob provided with a shaft portion 355B, and a non-slip portion 355C made of a plurality of projections is formed on the outer surface, and the shaft portion 355B passes through the through hole 331Aa. Thus, the stopping member 353 is fastened to the coupling portion 355Ba provided in the shaft portion 355B.

In addition, the stopping member 353 is further formed with a corresponding toothed portion 353A that can be coupled to the toothed portion 351A, so that when the toothed portion 351A and the corresponding toothed portion 353A are fastened, When the rotation of the adjustment ring 331 is prohibited by the fixing ring 351 fixed to the main body 10 by the fastening unit 20, and the toothed portion 351A and the corresponding toothed portion 353A are spaced apart from each other , The adjustment ring 331 can be freely rotated.

As a result, as shown in Figs. 6 and 7 [A], the stopping knob 355 moves forward (moving in the direction of the fixing ring 351 is referred to as forward movement, and the direction in which the stopping knob 355 is pulled In this state, the stopping member 353 moves forward and maintains a state in which the toothed portion 351A and the corresponding toothed portion 353A are fastened. At this time, FIGS. 6 and 7 When the stopping knob 355 is retracted (pull surface) as shown in [B] of, the stopping member 353 is retracted and the toothed portion 351A and the corresponding toothed portion 353A are separated from each other, so that the adjustment ring 331 It is characterized in that it allows rotation of.

In addition, the stopping knob 355 and the stopping member 353 may be configured through a separate link arm so that they move in opposite directions, and the scope of the rights should not be limited and interpreted.

In addition, although not shown in the drawing, the inner side of the block 331A is further provided with a separate elastic member for imparting elastic force in the direction of advancing the stopping member 353, and only when the user pulls the adjustment ring 331 It is desirable to allow rotation of ).

Furthermore, in order to make the retreat and retreat fixing operation of the stopping knob 355 more convenient, the present invention further includes a concave groove 331B and a pointed protrusion 355A.

In more detail, a concave groove 331B is formed on the outer surface of the block 331A, and more accurately on the surface on which the stopping knob 355 of the block 331A is located, and on the inside of the stopping knob 355 Pointed protrusions 355A are formed, and the pointed protrusions 355A are provided in a pair on both sides of the shaft portion 355B to provide a sense of stability.

형상을 갖도록 이루어지며, 내측으로 가장 인입된 부분은 인입선(331Ba)이라 할 때 상기 인입선(331Ba)은 수직방향으로 일직선으로 형성되는 것을 특징으로 한다.When describing each configuration in more detail, first, the concave groove 331B is a groove having a shape recessed from the end of the block 331A to the center, and when the block 331A is viewed from the top

It is made to have a shape, and when the most lead-in portion is a lead-in line 331Ba, the lead-in line 331Ba is characterized in that it is formed in a straight line in a vertical direction.

In addition, as shown in the drawing, the pointed protrusion 355A is provided to protrude inside the stopping knob 355, and is made to form a pointed portion 355Aa in the center, and the pointed portion 355Aa is The formed pointed protrusion 355A is made to be seated in the concave groove 331B.

When describing each operation in more detail through the implementation diagrams of FIGS. 6 and 7,

First, as shown in [A] of each drawing, when the stopping member 353 and the stopping knob 355 are advanced by the elastic force of the elastic member, the pointed protrusion 355A moves the shaft portion 355B. As a reference, it is positioned at the top and bottom and is inserted into the concave groove 331B, and at this time, the pointed portion 355Aa comes into close contact with the lead line 331Ba.

At this time, when the user wants to retreat the stopping member 353 and the stopping knob 355 as shown in [B] of each drawing, when the user rotates the stopping knob 355, the pointed portion 355Aa Is moved outward from the center of the concave groove 331B along the oblique surfaces formed on both sides of the lead line 331Ba within the concave groove 331B, and after completion of the movement, the pointed portion 355Aa is moved to the lead line 331Ba Instead of being in close contact, it is located at the end of the block 331A, more precisely, at the edge of the block 331A, and has the effect that the stopping knob 355 retreats as much as the depth where the concave groove 331B is formed naturally. By retreating the stopping member 353 it is possible to allow the rotation of the adjustment ring 331.

In addition, in describing the present invention above, a grinder having a specific shape, structure, and configuration has been described with reference to the accompanying drawings, but the present invention can be variously modified, changed, and substituted by those skilled in the art, and such modifications, changes and substitutions Should be construed as belonging to the scope of the present invention.

G: grinder 10: main body
11: 1st grinding blade 12: 2nd grinding blade
14: bean inlet 141: marking protrusion
15: discharge unit 151: porta filter seating unit
16: control unit 18: rotary motor
20: fastening unit 21: fastening protrusion
23: first fastening ring 231: first fitting groove
25: second fastening ring 251: second fitting groove
253: handle protrusion 27: fixing means
271: fixed hole 273: long hole
275: fixing bolt 30: coffee bean input unit
31: input hopper 311: bean input hole
313: opening and closing member 33: particle size control unit
331: adjustment ring
331A: block 331Aa: through hole
331B: recessed groove 331Ba: incoming line
331C: scale part 333: elevating member
333A: thread 335: grinding load housing
335A: counter thread 35: stopper
351: retaining ring 351A: toothed portion
353: stopping member 353A: corresponding tooth part
355: stopping knob 355A: pointed projection
355Aa: pointed part 355B: shaft part
355Ba: coupling part 355C: non-slip part
T: Tamping machine T1: Upper clamp
T2: Lower clamp T3: Tamper

Claims (4)

Including a main body having a coffee bean inlet and the first and second crushing blades provided in the main body, the coffee that has been input is between the first crushing blade and the second crushing blade by rotation of the second crushing blade. In a crusher configured to be crushed,
A coffee bean input unit provided at the bean input port and including an input hopper for inputting coffee beans;
A fastening protrusion formed under the coffee bean input unit, a first fastening ring provided at an edge of the coffee bean inlet and having a first fitting groove so that the fastening protrusion is seated, and rotatably provided above the first fastening ring, and the fastening A fastening unit including a second fastening ring having a second fitting groove through which the protrusion passes;
Consists of including,
When the second fastening ring is rotated so that the positions of the first fitting groove and the second fitting groove coincide, the bean injection unit can be separated from the main body as the fastening protrusion can pass through the second fitting groove. Easy-to-clean grinder, characterized in that made so that. The method of claim 1,
A fixing means including a long hole formed in the first fastening ring, a fixing hole formed in the second fastening ring, and a fixing bolt coupled to the fixing hole through the long hole is provided,
An easy-to-clean crusher, characterized in that the first fastening ring rotates by the length of the long hole above the second fastening ring. The method of claim 1,
The first fitting groove and the second fitting groove is an easy cleaning pulverizer, characterized in that a plurality of each formed inside the first fastening ring and the second fastening ring spaced apart from each other. The method according to any one of claims 1 to 3,
The coffee bean input unit
A control ring provided in the main body, and an elevating member coupled to a lower portion of the control ring, to which the first crushing blade is coupled to the lower portion, and the first crushing blade is configured to elevate and descend when the adjustment ring is rotated. A particle size control unit for adjusting the pulverized grain size of the coffee beans by adjusting the distance to the second crushing blade,
A stopper including a fixing ring provided on the inner side of the adjusting ring and having a toothed portion formed on the outer surface thereof, and a stopper provided on the adjusting ring and having a corresponding toothed portion formed to engage the toothed portion,
The fastening protrusion is an easy-to-clean crusher, characterized in that it is provided to protrude under the outer surface of the fixing ring.

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