CN213216434U - Centrifugal juicing mechanism and juicer - Google Patents

Abstract

The embodiment of the utility model provides a centrifugal juicing mechanism and a juicer, wherein the centrifugal juicing mechanism comprises a juice cup, a pomace disc, a juicing cup and a cover body, the pomace disc is arranged in the juice cup, and the middle part of the pomace disc is provided with a through hole; the juice extracting cup penetrates through the through hole; the fruit residue disc is sealed by the cover body, an annular bulge is arranged on the bottom surface of the cover body and corresponds to the periphery of the top end of the juicing cup, and a gap is formed between the bottom end of the annular bulge and the top end of the juicing cup; the juice extraction cup is characterized in that the juice extraction cup throws away the pomace along the extending direction of the cup wall of the juice extraction cup in the rotating process, one part of the pomace passes through the gap and falls into the pomace disc, and the other part of the pomace collides with the annular protrusion and is blocked back to the juice extraction cup. The centrifugal juicing mechanism has the advantages of high juicing rate, low water content of discharged pomace and simple structure.

Description

Centrifugal juicing mechanism and juicer

Technical Field

The embodiment of the utility model provides a relate to domestic appliance technical field, especially relate to a centrifugation juice extractor and juice extractor.

Background

The centrifugal juicer is a type of juicer which is applied more generally, the working principle of the centrifugal juicer is that a juicing disc rotates at a high speed to crush fruits, strong centrifugal force enables fruit juice to pass through a filter screen on the juicing disc to flow into a juice cup, and fruit residues are thrown out of the upper edge of the juicing disc into a fruit residue disc under the action of the centrifugal force. Existing centrifugal juicers typically increase juice yield by changing the mesh size or shape of the sieve on the juicing disc. US patent application No. US2013/0312623a1 discloses a fiber flow controlled centrifuge bowl mechanism comprising a centrifuge bowl and a mesh filter holder fitted over the bottom of the centrifuge bowl, the centrifuge bowl being provided with a mesh allowing passage of fibers, the mesh size being adjustable to adjust the amount of fiber passing through the mesh, the pulp content of the juice, the juice yield and the moisture content of the marc. However, the mechanism of the centrifugal bowl is complex and is easy to cause the loss of large juice-containing fruit residues.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, an embodiment of the present invention provides a centrifugal juicing mechanism and a juicer, which makes the juice yield of the centrifugal juicing mechanism higher, the water content of the discharged pomace lower, and the structure is simple.

In order to solve the above problem, the embodiment of the present invention provides a technical solution:

a centrifugal juicing mechanism comprising:

a juice glass;

the pomace tray is arranged in the juice glass, and a through hole is formed in the middle of the pomace tray;

the juice extracting cup penetrates through the through hole;

the cover body is used for sealing the pomace disc, an annular bulge is arranged on the bottom surface of the cover body and corresponds to the periphery of the top end of the juicing cup, and a gap is reserved between the bottom end of the annular bulge and the top end of the juicing cup;

wherein, squeeze juice the rotatory in-process of cup with the pomace edge squeeze juice the extending direction of the cup wall of cup and throw away, partly pomace passes the clearance falls into the pomace dish, another part pomace with annular bulge collides and is kept off back squeeze juice the cup. The centrifugal juicing mechanism is high in juice yield, low in water content of discharged fruit residues and simple in structure.

In some embodiments, the annular projection has a flared inner side such that marc that collides with the inner side of the annular projection can be caught back into the juice cup. The fruit residues with the water content larger than the preset water content can collide with the inner side surface of the annular bulge after being thrown out and are blocked back to the juicing cup, so that the annular bulge has a better blocking effect, and the juice outlet rate of the centrifugal juicing mechanism is favorably improved.

In some embodiments, a bottom end surface of the annular protrusion is a convex arc surface, and the inner side surface of the annular protrusion is formed by extending from an inner edge of the arc surface in a tangential direction. Thus, the annular bulge can form a smooth surface, and the fruit residues can smoothly pass through the gap between the annular bulge and the juice extracting cup.

In some embodiments, the inner side surface of the annular protrusion is in a truncated cone shape, the cup wall of the juicing cup is in an inverted truncated cone shape, and an included angle between a generatrix of the inner side surface of the annular protrusion and a generatrix of the cup wall of the juicing cup is 90-120 degrees; and/or

The radius of cambered surface is 5mm to 15 mm. Within the shape and angle range, the centrifugal juicing mechanism has high juice yield and low water content of the pomace.

In some embodiments, the lowest point of the bottom end of the annular protrusion is located outside the highest point of the top end of the juice extractor cup. Therefore, the annular bulge cover is arranged on the outer side of the periphery of the top end of the juicing cup, can completely block a projection path of the pomace with the water content larger than the preset water content, and avoids the situation that part of pomace with the water content larger than the preset water content directly falls into a pomace tray without colliding with the annular bulge after being thrown.

In some embodiments, the radial spacing between the lowest point of the bottom end of the annular projection and the highest point of the top end of the juice extractor cup is from 0mm to 8 mm; the axial distance between the lowest point of the bottom end of the annular bulge and the highest point of the top end of the juicing cup is 3mm to 10 mm. Under the size, the centrifugal juicing mechanism has higher juice yield and lower water content of the pomace.

In some embodiments, the annular protrusion is formed by the cover bulging downward; and/or

The juicer is characterized in that a juicing disc is arranged at the bottom of the juicing cup, a filter screen is arranged on the wall of the juicing cup, the juicing cup penetrates through the through hole, the top end of the juicing cup is positioned above the through hole, and the filter screen is positioned below the through hole. The cover body structure and the processing technology are facilitated to be simplified, and the consumption of raw materials can be reduced.

In some embodiments, the lid body has a dispensing channel in the middle thereof, the annular protrusion being disposed around the dispensing channel, the bottom end of the dispensing channel extending to a position adjacent to the juice extraction disc. Is beneficial to improving the juice extraction efficiency and can also improve the juice extraction rate.

A juicer comprises a machine body, wherein a driving device is arranged in the machine body, the juicer further comprises the centrifugal juicing mechanism, and when the juice cup is arranged on the machine body, the driving device is in transmission connection with the juicing cup to drive the juicing cup to rotate. The centrifugal juicing mechanism has higher juice yield and lower water content of discharged pomace, so the juicer using the centrifugal juicing mechanism also has the advantages.

In some embodiments, the body further has a first switch electrically connected to the driving device, the juice glass is provided with a connecting rod, the cover body is provided with a triggering portion, and when the cover body is disposed on the pomace tray, the triggering portion can push the connecting rod to trigger the first switch through the connecting rod, so that the driving device is powered on. Therefore, when the juice cup and the cover body are not correctly installed, the driving device is started to generate potential safety hazards, and the safety of the juice extractor is improved beneficially.

Compared with the prior art, the utility model discloses beneficial effect lies in:

in the centrifugal juicing mechanism provided by the embodiment of the utility model, a part of the pomace with the water content lower than the preset water content and the particle size smaller than the size of the gap has smaller kinetic energy after being thrown out by the juicing cup due to smaller weight of unit volume, and the pomace descends after rising for a shorter distance and falls into a pomace tray after passing through the gap; the fruit residues with the water content of the other part larger than the preset water content have larger kinetic energy after being thrown out by the juicing cup due to the larger weight of the unit volume, can be lifted for a longer distance and collide with the annular bulge, and are blocked back to the juicing cup under the blocking of the annular bulge to be squeezed again, so that the loss of the juice-containing fruit residues can be avoided, the water content of the fruit residues is reduced, and the centrifugal juicing mechanism has higher juice yield, simple structure and easy realization.

Drawings

FIG. 1 is a cross-sectional view of a juicer with a centrifugal juicing mechanism according to an embodiment of the present invention;

figure 2 is an enlarged view of a portion a of the juicer of figure 1;

fig. 3 is a schematic perspective view of a cover of a centrifugal juicing mechanism according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a juice extractor according to an embodiment of the present invention;

fig. 5 is an exploded view of the juice extractor according to the embodiment of the present invention.

Description of reference numerals:

10-a cover body; 11-an annular projection; 12-a feeding channel; 13-pressing a rod; 14-a trigger;

20-juice glass; 21-a connecting rod; 22-a drive shaft;

30-a pomace pan; 31-a through hole;

40-a juice extracting cup; 41-a juice extracting disc; 42-a filter screen;

50-body; 51-a drive device; 52 first switch.

Detailed Description

For better understanding of the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 3, an embodiment of the present invention provides a centrifugal juice extracting mechanism, which includes a juice cup 20, a pomace tray 30, a juice extracting cup 40 and a cover 10, wherein the juice cup 20 is used for containing extracted juice; the pomace tray 30 is arranged in the juice glass 20, a through hole 31 is formed in the middle of the pomace tray 30, the pomace tray 30 is used for collecting pomace, and in particular, in order to receive more pomace and avoid spilling of the pomace, an annular groove for containing the pomace can be arranged around the through hole 31; the juicing cup 40 penetrates through the through hole 31 and can rotate in the through hole 31 so as to carry out juicing treatment on food under the action of centrifugal force; in specific implementation, the bottom of the juice extracting cup 40 may be provided with a juice extracting disc 41, the juice extracting cup 40 may crush food through the juice extracting disc 41 during rotation, the wall of the juice extracting cup 40 may be provided with a filter screen 42, the top end of the juice extracting cup 40 may be located above the through hole 31, and the filter screen 42 may be located below the through hole 31, so that extracted juice may fall into the juice extracting cup 20 after passing through the filter screen 42; the lid body 10 covers the marc pan 30, and the bottom surface of the lid body 10 is provided with an annular protrusion 11 at a position corresponding to the top end periphery of the juice extracting cup 40, and a gap is provided between the bottom end of the annular protrusion 11 and the top end of the juice extracting cup 40, and the gap actually forms a marc passage for marc to enter the marc pan 30 from the juice extracting cup 40. In specific implementation, the cover 10 may be directly covered on the pomace tray 30 to cover the top opening of the pomace tray 30, or covered on the juice glass 20 to block the top opening of the pomace tray 30.

The centrifugal juicing mechanism with the structure can be applied to a juicer, when the centrifugal juicing mechanism is used, the driving device 51 can drive the juicing cup 40 to rotate so as to crush and squeeze food materials, formed juice leaks into the juice cup 20 through the filter screen 42, and formed pomace can be thrown out along the extension direction of the cup wall of the juicing cup 40 under the action of centrifugal force, wherein part of pomace with the water content lower than the preset water content and the particle size smaller than the size of the gap has smaller kinetic energy after being thrown out of the juicing cup 40 due to smaller weight of unit volume, and descends after rising for a shorter distance and falls into the pomace tray 30 after passing through the gap; the other part of the pomace with the water content larger than the preset water content has larger kinetic energy after being thrown out by the juicing cup 40 due to larger weight of unit volume, can rise for a longer distance and collide with the annular bulge 11, is blocked back to the juicing cup 40 under the blocking of the annular bulge 11, and is crushed again and juiced; of course, the marc having a particle size larger than the size of the gap cannot pass through the gap, and can be retained in the juice extracting cup 40. Therefore, the juice-containing pomace can be prevented from losing, the moisture content of the pomace is reduced, and the centrifugal juicing mechanism has high juice yield, simple structure and easy realization.

When the centrifugal juicing mechanism is specifically implemented, the annular bulge 11 comprises an inner side face, a bottom end face and an outer side face, wherein the annular bulge 11 can be provided with a flared inner side face, so that the inner side face of the annular bulge 11 is inwards inclined relative to the juicing cup 40, a casting path of pomace with the water content larger than the preset water content is just blocked, an inwards inclined structure similar to a cover body is formed above the juicing cup 40, the pomace with the water content larger than the preset water content can collide with the inner side face of the annular bulge 11 after being thrown out, and the pomace is blocked back to the juicing cup 40, so that the annular bulge 11 has a good blocking effect, and the centrifugal juicing mechanism is beneficial to further improving the juice yield.

In a preferred embodiment, the inner side surface of the annular protrusion 11 may be in a truncated cone shape, the cup wall of the juice extracting cup 40 may be in an inverted truncated cone shape, i.e. similar to a funnel shape, and the included angle (the included angle shown as B in fig. 2) between the generatrix of the inner side surface of the annular protrusion 11 and the generatrix of the cup wall of the juice extracting cup 40 is 90 ° to 120 °, and within this shape and angle range, the centrifugal juice extracting mechanism has a high juice yield and a low moisture content of the pomace. Of course, the specific shapes of the annular protrusion 11 and the juice extracting cup 40, and the specific included angle between the generatrices of the two are only exemplary, and other shapes or other angles can be adopted.

In some embodiments, the end surface of the bottom end of the annular protrusion 11 may be a convex arc surface, the inner side surface of the annular protrusion 11 may extend from the inner edge of the arc surface in the tangential direction, and the outer side surface of the annular protrusion 11 may extend from the outer edge of the arc surface in the tangential direction, so that the annular protrusion 11 may form a smooth surface, and the pomace may smoothly pass through the gap between the annular protrusion 11 and the juice extracting cup 40. In a preferred embodiment, the radius of the arc (shown as C in FIG. 2) may be 5mm to 15 mm.

In some embodiments, the lowest point of the bottom end of the annular protrusion 11 is located outside the highest point of the top end of the juice extracting cup 40, so that the annular protrusion 11 is covered outside the periphery of the top end of the juice extracting cup 40, and can completely block the projection path of the pomace with the moisture content larger than the preset moisture content, and prevent part of the pomace with the moisture content larger than the preset moisture content from directly falling into the pomace tray 30 without colliding with the annular protrusion 11 after being thrown. In a preferred embodiment, the radial spacing (as shown in FIG. 2A) between the lowest point of the bottom end of the annular projection 11 and the highest point of the top end of the juice glass 40 is 0mm to 8 mm; the axial spacing (shown as D in figure 2) between the lowest point of the bottom end of the annular projection 11 and the highest point of the top end of the juice glass 40 is 3mm to 10 mm. Under the size, the centrifugal juicing mechanism has higher juice yield and lower water content of the pomace.

As shown in fig. 2 and 3, in some embodiments, the annular protrusion 11 is formed by a cover 10 protruding downward, and may be formed by a stamping process when the cover 10 is a metal cover 10, or may be integrally formed by, for example, an injection molding process when the cover 10 is made of an organic synthetic material such as plastic. Thus, it is advantageous to simplify the structure and manufacturing process of the lid body 10, and the amount of raw materials can be reduced.

In some embodiments, the lid body 10 may have a feeding channel 12 in the middle, and an annular protrusion 11 is provided around the feeding channel 12, and the bottom end of the feeding channel 12 extends to a position close to the juice extracting tray 41. So, throw the clearance between material passageway 12 and the juice extraction dish 41 less, eat the material and follow the bottom of throwing material passageway 12 and come out the back, enter into juice extraction cup 40 after the broken less edible material fragment that becomes of juice extraction dish 41 in, be of value to improve juice extraction efficiency, can also improve juice extraction rate. In a preferred embodiment, the centrifugal juicing mechanism further comprises a pressing rod 13, and the shape of the pressing rod 13 can correspond to the shape of the feeding channel 12, so that the pressing rod can extend into the feeding channel 12 to press the food in the feeding channel 12 into the juicing cup 40, and the food is prevented from being stuck in the feeding channel 12. Further, the bottom end of the pressing rod 13 may be provided with a plurality of convex teeth, and the convex teeth may be tapered, so that the bottom end of the pressing rod 13 actually serves as a small knife disc, and in the rotating process of the juicing disc 41, the pressing rod 13 and the juicing disc 41 can respectively tear and crush the food materials from the upper direction and the lower direction to extract the juice, thereby improving the juicing efficiency.

Referring to fig. 1, 4 and 5, the embodiment of the present invention further provides a juice extractor, which includes a machine body 50 and a centrifugal juice extracting mechanism as described in any of the above embodiments, wherein a driving device 51 is provided in the machine body 50, and when the juice cup 20 is placed on the machine body 50, the driving device 51 is in transmission connection with the juice extracting cup 40 to drive the juice extracting cup 40 to rotate. In specific implementation, the juice glass 20 can be fixed on the machine body 50, or can be detachably disposed on the machine body 50. The juice glass 20 may be provided with a drive shaft 22 at a central portion thereof, the drive shaft 22 may be connected at a top end thereof to the juice glass 40 by a connector, and a bottom end of the drive shaft 22 may be connected to a rotating shaft of the driving device 51 by, for example, a clutch. The centrifugal juicing mechanism has higher juice yield and lower water content of discharged pomace, so the juicer using the centrifugal juicing mechanism also has the advantages.

In some embodiments, the machine body 50 further has a first switch 52 electrically connected to the driving device 51, the juice cup 20 is provided with a connecting rod 21, the cover 10 is provided with a trigger 14, when the juice cup 20 is placed on the machine body 50 and the cover 10 is placed on the pomace tray 30, the trigger 14 can push the connecting rod 21, so as to trigger the first switch 52 through the connecting rod 21, and power on the driving device 51. In practical implementation, the triggering portion 14 may be a pin, a protruding tooth or a protruding piece formed by extending downward from an edge of the cover 10, the body 50 may have a vertically arranged guide hole therein, the connecting rod 21 may be disposed in the guide hole, the first switch 52 may be, for example, a micro switch, when the juice glass 20 is placed on the body 50 in a correct manner, a bottom end of the connecting rod 21 is opposite to the first switch 52, and when the cover 10 is placed on the pomace tray 30, the triggering portion 14 can push the connecting rod 21 to move the connecting rod 21 downward, and trigger the first switch 52 through the bottom end of the connecting rod 21 to close the first switch 52, so that the driving device 51 can be prevented from being activated to cause a safety hazard when the juice glass 20 and the cover 10 are not correctly installed, which is beneficial to improve the safety of the juice extractor.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (10)

1. A centrifugal juicing mechanism, comprising:

a juice glass;

the pomace tray is arranged in the juice glass, and a through hole is formed in the middle of the pomace tray;

the juice extracting cup penetrates through the through hole;

the cover body is used for sealing the pomace disc, an annular bulge is arranged on the bottom surface of the cover body and corresponds to the periphery of the top end of the juicing cup, and a gap is reserved between the bottom end of the annular bulge and the top end of the juicing cup;

wherein, squeeze juice the rotatory in-process of cup with the pomace edge squeeze juice the extending direction of the cup wall of cup and throw away, partly pomace passes the clearance falls into the pomace dish, another part pomace with annular bulge collides and is kept off back squeeze juice the cup.

2. The centrifugal juicing mechanism of claim 1, wherein the annular protrusion has a flared inner side so that marc which collides with the inner side of the annular protrusion can be caught back into the juicing cup.

3. The centrifugal juicing mechanism of claim 2, wherein the end surface of the bottom end of the annular protrusion is a convex arc surface, and the inner side surface of the annular protrusion is formed by extending from the inner edge of the arc surface in the tangential direction.

4. The centrifugal juicing mechanism of claim 3, wherein the inner side surface of the annular bulge is in a circular truncated cone shape, the cup wall of the juicing cup is in an inverted circular truncated cone shape, and an included angle between a generatrix of the inner side surface of the annular bulge and a generatrix of the cup wall of the juicing cup is 90-120 degrees; and/or

The radius of cambered surface is 5mm to 15 mm.

5. The centrifugal juicing mechanism of claim 1, wherein the lowest point of the bottom end of the annular protrusion is located outside the highest point of the top end of the juicing cup.

6. The centrifugal juicing mechanism of claim 1, wherein the radial distance between the lowest point of the bottom end of the annular protrusion and the highest point of the top end of the juicing cup is 0mm to 8 mm; the axial distance between the lowest point of the bottom end of the annular bulge and the highest point of the top end of the juicing cup is 3mm to 10 mm.

7. The centrifugal juicing mechanism of claim 1, wherein the annular protrusion is formed by a downward bulge of the cover; and/or

The juicer is characterized in that a juicing disc is arranged at the bottom of the juicing cup, a filter screen is arranged on the wall of the juicing cup, the juicing cup penetrates through the through hole, the top end of the juicing cup is positioned above the through hole, and the filter screen is positioned below the through hole.

8. The centrifugal juicing mechanism of claim 7, wherein the cover body has a feeding channel in the middle, the annular projection is arranged around the feeding channel, and the bottom end of the feeding channel extends to a position close to the juicing disc.

9. A juicer comprising a housing having drive means therein, and further comprising a centrifugal juicer mechanism of any one of claims 1 to 8, said drive means being drivingly connected to said juicer cup for driving said juicer cup into rotation when said juicer cup is placed on said housing.

10. The juicer of claim 9, wherein the body further comprises a first switch electrically connected to the driving device, the juice glass is provided with a connecting rod, the cover body is provided with a triggering portion, and when the cover body is disposed on the pomace tray, the triggering portion can push the connecting rod, so that the connecting rod triggers the first switch to power on the driving device.

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