CN217137566U

CN217137566U - Coffee machine and grinding mechanism thereof

Info

Publication number: CN217137566U
Application number: CN202123277111.1U
Authority: CN
Inventors: 黄美连
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-08-09
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a coffee machine and grinding mechanism thereof, coffee machine's grinding mechanism includes the main casing, the blade disc subassembly, drive assembly, be provided with the grinding chamber and the play powder passageway of intercommunication each other in the main casing, the one end that the chamber was kept away from to the play powder passageway is provided with out the powder mouth, the blade disc subassembly sets up in grinding the intracavity, the center pin of blade disc subassembly extends along vertical direction, drive assembly drive blade disc subassembly rotates around the center pin, coffee machine's grinding mechanism still includes anion generator, anion generator's negative electrode setting is in a powder passageway and is located the top of a powder mouth; the powder outlet channel is obliquely arranged from one end close to the grinding cavity to one end close to the powder outlet from top to bottom, or the powder outlet channel extends along the vertical direction. The grinding mechanism can avoid scattering of coffee powder and can avoid blockage of the powder outlet channel.

Description

Coffee machine and grinding mechanism thereof

Technical Field

The utility model relates to a coffee machine technical field, specifically speaking relates to a coffee machine and grind mechanism thereof.

Background

The coffee machine with the bean grinding function integrates the functions of grinding coffee beans and brewing coffee powder, and is widely used in daily life. Generally, a coffee machine with a bean grinding function grinds coffee beans into coffee powder through a grinding mechanism, then the coffee powder is sent into a brewing container through a powder channel, and after water is heated by a heating mechanism, the water is injected into the brewing container to brew the coffee powder, so that coffee liquid suitable for drinking is prepared.

However, during the process of crushing and grinding coffee beans, static electricity is generated due to friction between the coffee beans and the cutter head assembly, the coffee powder is charged to a certain amount, the powder flying problem is caused, the coffee powder is adsorbed on a passing area due to the action of the static electricity, or the coffee powder is scattered due to the static electricity, so that the coffee machine is not easy to clean, and the experience of consumers is influenced.

In addition, the grinding mechanism of the existing coffee machine is provided with a powder outlet channel which is generally arranged in the horizontal direction, when large-amount grinding is carried out, bean powder is easy to stay at the powder outlet channel, so that the blockage of the powder outlet channel is caused, and the use of a user is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an avoid coffee powder to fly off, can avoid going out the grinding mechanism of coffee machine of powder passageway jam simultaneously.

The second purpose of the utility model is to provide a coffee machine with above-mentioned grinding mechanism.

In order to achieve the first purpose, the utility model provides a grinding mechanism of coffee machine, including the main casing, the blade disc subassembly, drive assembly, be provided with the grinding chamber and the play powder passageway that communicate each other in the main casing, the one end that goes out the powder passageway and keep away from the grinding chamber is provided with the powder outlet, the blade disc subassembly sets up in grinding the intracavity, the center pin of blade disc subassembly extends along vertical direction, drive assembly drive blade disc subassembly rotates around the center pin, the grinding mechanism of coffee machine still includes anion generator, anion generator's negative electrode sets up in the play powder passageway and is located the top of powder outlet; the powder outlet channel is obliquely arranged from one end close to the grinding cavity to one end close to the powder outlet from top to bottom or extends along the vertical direction.

According to the scheme, the negative electrode of the negative ion generator is arranged in the powder outlet channel, the negative electrode utilizes point direct-current high-voltage discharge to generate high corona, a large amount of electrons are emitted at high speed, the electrons cannot exist in the air for a long time, and can be immediately captured by oxygen molecules in the air to form negative ions, the negative ions can neutralize static electricity generated by friction of coffee powder, and then the problem that the coffee powder scatters is avoided. In addition, for plasma generator, because plasma generator includes anodal and negative pole, in coffee bean grinding process, when beans are crushed, cut and tear, stable charge bond is broken in the beans, and the coffee granule presents the negative charge, can attach to any positive charge material surface, and consequently can be continuous have coffee powder to be adsorbed the gathering on the positive pole to cause powder not smooth under the play powder passageway, use for a long time and can cause the problem of play powder passageway jam even, and the utility model discloses a negative ion generator of grinding mechanism is owing to only having set up the negative pole, can avoid appearing the problem of play powder passageway jam. In addition, because anion generator uses for a long time can make the inside air of meal outlet channel slightly moist, through slope setting or the meal outlet channel of vertical extension for the coffee powder can be along the inner wall of meal outlet channel through meal outlet channel under the effect of self gravity rapidly, reduces the dwell time of coffee powder in meal outlet channel, thereby avoids causing the coffee powder to agglomerate.

Preferably, the negative electrode extends in a vertical direction or a horizontal direction. Or the negative electrode is arranged obliquely with respect to the vertical direction.

In a preferred embodiment, the part of the negative electrode located in the powder outlet channel is needle-shaped.

Therefore, the negative ion generating device is beneficial to forming negative ions, and meanwhile, the contact area of the negative ion generating device and coffee powder can be reduced, and the coffee powder is prevented from falling.

In a preferred embodiment, the negative electrode is arranged on the side wall of the powder outlet channel and close to the powder outlet.

In a preferred embodiment, the main casing includes a case and an extension tube fixed to a peripheral wall of the case; the box is arranged in the box body and is provided with a box powder outlet inclined wall, the extension barrel is internally provided with a barrel powder outlet inclined wall, and the box powder outlet inclined wall and the barrel powder outlet inclined wall are butted to form a bottom wall of a powder outlet channel. In the powder outlet direction, the powder outlet is positioned at the downstream side of the inclined powder outlet wall of the cylinder body.

It follows that the provision of an elongate cartridge allows the size of the coffee maker to be reduced.

The further proposal is that the powder outlet inclined wall of the box body and the powder outlet inclined wall of the cylinder body are in smooth transition.

Therefore, the problem that powder is blocked at the connecting position of the powder outlet inclined wall of the box body and the powder outlet inclined wall of the barrel body to cause unsmooth powder outlet and difficult cleaning is avoided.

The extension cylinder comprises a cylinder main body and a top cover, wherein the top cover is arranged at an opening at the top of the cylinder main body, and the top cover is detachably and fixedly connected with the cylinder main body.

Therefore, the top cover is detachably fixed with the cylinder main body, and a user can conveniently maintain and clean the interior of the extension cylinder.

The negative ion generator is arranged on the main shell and positioned outside the powder outlet channel, and the negative electrode is arranged on the top cover and penetrates through the top cover to extend into the powder outlet channel.

Therefore, the negative electrode is arranged on the top cover, so that the contact area between the negative electrode and coffee powder can be further reduced, and smooth powder discharge is further ensured.

In a preferable scheme, in the powder discharging direction, the negative electrode is positioned at the position of the powder outlet close to the inclined powder outlet wall of the cylinder body.

Therefore, the negative electrode is arranged close to the powder outlet, so that the blocking of the coffee powder is further avoided, and the scattering of the coffee powder at the powder outlet is avoided.

In order to achieve the second objective, the present invention provides a coffee machine, which comprises the above-mentioned grinding mechanism.

Drawings

Fig. 1 is an exploded view of a first embodiment of a grinding mechanism of the coffee maker of the present invention.

Fig. 2 is a cross-sectional view of a first embodiment of a grinding mechanism of the coffee maker of the present invention.

Fig. 3 is a cross-sectional view of a second embodiment of the grinding mechanism of the coffee maker of the present invention.

Fig. 4 is a sectional view of a third embodiment of the grinding mechanism of the coffee maker of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Coffee machine and first embodiment of grinding mechanism thereof

Referring to fig. 1 and 2, the coffee maker includes a grinding mechanism including a main housing 1, a cutter head assembly 2, a driving assembly 3, and a negative ion generator 4.

Be provided with the grinding chamber 5 and the play powder passageway 6 that communicate each other in the main casing 1, the one end that goes out powder passageway 6 and keep away from grinding chamber 5 is provided with out powder mouth 61, goes out powder passageway 6 from the one end that is close to grinding chamber 5 to the one end top-down slope setting that is close to out powder mouth 61.

The main casing 1 includes a casing 11 and an extension tube 12, the extension tube 12 is fixed on the peripheral wall of the casing 11, the extension tube 12 includes a tube main body 121 and a top cover 122, the top cover 122 is disposed at an opening at the top of the tube main body 121, and the top cover 122 is detachably and fixedly connected with the tube main body 121.

The box body 11 is internally provided with a box body powder outlet inclined wall 111, the barrel body 121 is internally provided with a barrel body powder outlet inclined wall 123, the box body powder outlet inclined wall 111 and the barrel body powder outlet inclined wall 123 are butted to form a bottom wall of the powder outlet channel 6, and the box body powder outlet inclined wall 111 and the barrel body powder outlet inclined wall 123 are in smooth transition. In the powder discharging direction, the powder outlet 61 is located on the downstream side of the cylindrical powder discharging inclined wall 123.

Cutter head assembly 2 sets up in grinding chamber 5, cutter head assembly 2's center pin extends along vertical direction, cutter head assembly 2 includes interior cutter head 21 and outer cutter head 22, outer cutter head is fixed on box 11, interior cutter head 21 is connected with drive assembly 3's drive shaft, drive assembly 3 drives cutter head assembly 2's interior cutter head 21 rotates around interior cutter head 21's center pin, grind the beans through utilizing the interval gap 23 between interior cutter head 21 and the outer cutter head 22, thereby through the thickness of adjusting the distance of this interval gap 23 control bean flour, interval gap 23 and play powder passageway 6 intercommunication, the bean flour comes out from powder outlet 61 in getting into out powder passageway 6 through this interval gap 23 at last.

The negative ion generator 4 is arranged on the main shell 1 and positioned outside the powder outlet channel 6, and the negative electrode 41 of the negative ion generator 4 is arranged on the top cover 122 and penetrates through the top cover 122 to extend into the powder outlet channel 6. The negative electrode 41 is arranged in the powder outlet channel 6 and above the powder outlet 61, the negative electrode 41 extends along the vertical direction, and the part of the negative electrode 41 in the powder outlet channel 6 is in a needle shape. In the powder discharging direction, the negative electrode 41 is positioned at the position of the powder outlet 61 close to the inclined powder outlet wall 123 of the cylinder.

Coffee machine and second embodiment of grinding mechanism thereof

As a description of the second embodiment of the coffee maker and the grinding mechanism of the coffee maker of the present invention, only the differences from the first embodiment of the coffee maker and the grinding mechanism of the coffee maker will be described below.

Referring to fig. 3, the negative electrode 241 in the present embodiment is disposed on the peripheral wall of the extension case 212 and extends in the horizontal direction. In the vertical direction, the negative electrode 241 is disposed near the powder outlet 261. By arranging the negative electrode 241 close to the powder outlet 261, the coffee powder sliding down from the powder outlet channel 26 has a larger impact force on the negative electrode 241, so that the coffee powder is prevented from being attached to the negative electrode 241, and meanwhile, the residence time of the coffee powder after static electricity is neutralized in the powder outlet channel 26 can be reduced, so that the coffee powder is prevented from agglomerating.

Coffee machine and grinding mechanism thereof

As a description of the third embodiment of the coffee maker and the grinding mechanism thereof of the present invention, only the differences from the first embodiment of the coffee maker and the grinding mechanism thereof will be described below.

Referring to fig. 4, in the present embodiment, the powder outlet channel 36 is located in the extension cylinder 32, the powder outlet channel 36 extends along the vertical direction, and the negative electrode 341 is disposed near the powder outlet 361.

It can be seen from above that, through setting up the negative electrode with anion generator in a powder passageway, the negative electrode utilizes sharp-end direct current high voltage discharge to produce the high corona, the high-speed a large amount of electrons that emit, and the electron can't exist in the air for a long time, can be caught by the oxygen molecule in the air at once, forms the anion, and the static that the friction of coffee powder produced can be neutralized to the anion, and then avoids the problem that the coffee powder scatters. In addition, for plasma generator, because plasma generator includes anodal and negative pole, in coffee bean grinding process, when beans are crushed, cut and tear, stable charge bond is broken in the beans, and the coffee granule presents the negative charge, can attach to any positive charge material surface, and consequently can be continuous have coffee powder to be adsorbed the gathering on the positive pole to cause powder not smooth under the play powder passageway, use for a long time and can cause the problem of play powder passageway jam even, and the utility model discloses a negative ion generator of grinding mechanism is owing to only having set up the negative pole, can avoid appearing the problem of play powder passageway jam. In addition, because anion generator uses for a long time can make the inside air of meal outlet channel slightly moist, through the meal outlet channel of slope setting or vertical extension for coffee powder can pass through the meal outlet channel rapidly under the effect of self gravity along the inner wall of meal outlet channel, reduces the dwell time of coffee powder in meal outlet channel, thereby avoids causing the coffee powder to agglomerate.

Furthermore, the negative electrode may also be disposed obliquely with respect to the vertical direction. The negative electrode may also be disposed on a side wall of the cartridge body of the extension cartridge. The arrangement position and the inclination angle of the negative electrode can also be changed as required. The cap and the cartridge body may also be integrally formed. The above changes also enable the object of the present invention to be achieved.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.

Claims

1. Grinding mechanism of a coffee machine, comprising:

the powder grinding device comprises a main shell, wherein a grinding cavity and a powder outlet channel which are mutually communicated are arranged in the main shell, and a powder outlet is formed in one end of the powder outlet channel, which is far away from the grinding cavity;

the cutter head assembly is arranged in the grinding cavity, and a central shaft of the cutter head assembly extends in the vertical direction;

the driving assembly drives the cutter head assembly to rotate around the central shaft;

the method is characterized in that:

the grinding mechanism of the coffee machine also comprises an anion generator, and a negative electrode of the anion generator is arranged in the powder outlet channel and positioned above the powder outlet;

the powder outlet channel is obliquely arranged from one end close to the grinding cavity to one end close to the powder outlet from top to bottom; or

The powder outlet channel extends along the vertical direction.

2. A grinding mechanism of a coffee machine as claimed in claim 1, characterized in that:

the negative electrode extends in a vertical direction or a horizontal direction; or

The negative electrode is arranged obliquely with respect to the vertical direction.

3. A grinding mechanism of a coffee machine as claimed in claim 1, characterized in that:

the part of the negative electrode, which is positioned in the powder outlet channel, is needle-shaped.

4. A grinding mechanism of a coffee machine according to any of the claims from 1 to 3, characterized in that:

the negative electrode is arranged on the side wall of the powder outlet channel and close to the powder outlet.

5. A grinding mechanism of a coffee machine according to any of the claims from 1 to 3, characterized in that:

the main shell comprises a box body and an extension cylinder, and the extension cylinder is fixed on the peripheral wall of the box body;

a box body powder outlet inclined wall is arranged in the box body, a barrel body powder outlet inclined wall is arranged in the extension barrel, and the box body powder outlet inclined wall and the barrel body powder outlet inclined wall are in butt joint to form a bottom wall of the powder outlet channel;

in the powder outlet direction, the powder outlet is positioned at the downstream side of the inclined powder outlet wall of the cylinder body.

6. A grinding mechanism of a coffee machine as claimed in claim 5, characterized in that:

the powder outlet inclined wall of the box body and the powder outlet inclined wall of the cylinder body are in smooth transition.

7. A grinding mechanism of a coffee machine as claimed in claim 5, characterized in that:

the extension section of thick bamboo includes a section of thick bamboo main part and top cap, the top cap set up in the uncovered department at a section of thick bamboo main part top, the top cap with a section of thick bamboo main part detachably fixed connection.

8. A grinding mechanism of a coffee machine as claimed in claim 7, characterized in that:

9. A grinding mechanism of a coffee machine as claimed in claim 5, characterized in that:

in the powder discharging direction, the negative electrode is positioned at the position of the powder outlet close to the inclined powder outlet wall of the cylinder.

10. Coffee machine, characterized in that it comprises a grinding mechanism according to any one of claims 1 to 9.