CN112167945B

CN112167945B - Juice extractor

Info

Publication number: CN112167945B
Application number: CN201910601848.2A
Authority: CN
Inventors: 袁超; 陆鹏; 朱青梅
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd; BSH Hausgeraete GmbH
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2022-09-09
Anticipated expiration: 2039-07-05
Also published as: CN112167945A

Abstract

A juicer (100) comprising: driving motor (12), cup body (13) and fuselage (15), still include: n blade group (16), planet carrier (17), N planetary gear (18), N is greater than or equal to 1, wherein: the cup body (13) is detachably connected with the machine body (15), and a gear ring (14) is arranged around the central shaft of the cup body (13) along the inner wall of the cup body (13); the driving motor (12) is positioned in the machine body (15), is coupled with the planet carrier (17), and is suitable for driving the planet carrier (17) to rotate; the N planetary gears (18) are fixed on the planetary carrier (17) and meshed with the gear ring (14), the N planetary gears (18) are located in an area outside the central shaft, and under the driving of the driving motor (12), the planetary carrier (17) drives the N planetary gears (18) to rotate around the central shaft in an eccentric mode. By adopting the scheme, the thinning degree of the pulp in the juicing process of the juicer (100) can be improved.

Description

Juice extractor

Technical Field

The embodiment of the invention relates to the technical field of food processors, in particular to a juicer.

Background

The juice extractor is a machine for cutting and crushing the pulp of a fruit and extracting juice. The bottom of the existing juice extractor in the cup body is mainly provided with a group of blades, and the blades are driven to rotate by a driving motor to drive pulp to collide with the blades, so that the pulp is cut and refined into fine fruit grains by the blades.

However, the existing juice extractor has a cutting blind area, when pulp enters the cutting blind area, the pulp circulates in the blind area all the time, the pulp in the cutting blind area cannot collide with the blade, and the pulp cannot be cut and refined into fine particles.

Disclosure of Invention

The technical problem solved by the invention is that the existing juice extractor has a cutting blind area, and the pulp in the cutting blind area can not be cut and refined into fine particles.

In order to solve the above technical problem, an embodiment of the present invention provides a juice extractor, including: driving motor, cup body and fuselage still include: n blade group, planet carrier, N planetary gear, N is greater than or equal to 1, wherein: the cup body is detachably connected with the machine body, and a gear ring is arranged around the central shaft of the cup body along the inner wall of the cup body; the driving motor is positioned in the machine body, is coupled with the planet carrier and is suitable for driving the planet carrier to rotate; the N planetary gears are fixed on the planet carrier and meshed with the gear ring, the N planetary gears are located in an area outside the central shaft, and the planet carrier drives the N planetary gears to rotate around the central shaft in an eccentric mode under the driving of the driving motor.

Compared with the prior art, the technical scheme of the embodiment of the invention has the following beneficial effects:

n planetary gear in the juice extractor is in the region outside the center pin of cup body, driving motor drive planet carrier is along when rotating, N planetary gear and the ring gear meshing on the cup body of being connected with the planet carrier, and along the direction with planet carrier rotation direction opposite around center pin eccentric motion, thereby the rotation direction of fruit juice in the juice extractor under the stirring of planet carrier is opposite with the rotation direction of N blade group, can produce the effect of two kinds of directions and be used for fruit juice at the inside power that can produce of juice extractor, this kind of combined motion has brought stronger vortex effect, thereby can increase the frequency of the collision of pulp and blade group, avoid the cutting blind area effectively, improve the degree of refining of the in-process pulp of squeezing juice.

Optionally, the juice extractor further comprises: first shaft coupling, second shaft coupling and transmission shaft, wherein: the first coupler is positioned on the machine body and connected with an output shaft of the driving motor; two ends of the transmission shaft are respectively connected with the second coupling and the planet carrier; the second shaft coupling is arranged on the cup body facing the bottom surface of the machine body, and when the cup body is connected with the machine body, the second shaft coupling is matched with the first shaft coupling, so that the driving motor drives the planet carrier to rotate through the transmission shaft.

Optionally, the juice extractor further comprises: and the N gear pin shafts are in one-to-one correspondence with the N planetary gears, and each planetary gear is connected with the planet carrier through the corresponding gear pin shaft.

Optionally, the juice extractor further comprises: the N cutter shafts are in one-to-one corresponding gap connection with the N gear pin shafts respectively, and the N blade groups are fixed on the corresponding cutter shafts respectively, so that the blade groups can flexibly rotate relative to the corresponding cutter shafts.

Optionally, the gear ring and the cup body are integrally formed through injection molding.

Optionally, a cup cover is arranged on the cup body.

Optionally, when N is equal to 1, a balance weight is disposed on the planet carrier, and the balance weight and the planet gear are symmetrical with respect to the output shaft of the driving motor, so that the dynamic balance of the output shaft of the driving motor can be maintained.

Optionally, when N is larger than or equal to 2, the N planetary gears are uniformly distributed around the central shaft.

Drawings

Fig. 1 is a schematic structural view of a juice extractor in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 in the direction A-A;

fig. 3 is a schematic view of another juice extractor according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more comprehensible, specific embodiments accompanied with figures are described in detail below.

Referring to fig. 1, a schematic structural diagram of a juice extractor according to an embodiment of the present invention is shown. Fig. 2 is a cross-sectional view in the direction a-a of fig. 1. Fig. 3 shows a schematic structural diagram of another juicer according to the embodiment of the invention. The structure of the juice extractor will be described with reference to fig. 1 to 3.

In a specific implementation, the juice extractor 100 may include: the cup comprises a driving motor 12, a cup body 13, a machine body 15, N blade sets 16, a planet carrier 17 and N planetary gears 18, wherein N is larger than or equal to 1. The cup body 13 is detachably connected to the body 15, and a ring gear 14 is provided along the inner wall of the cup body 13 and around the central axis of the cup body 13. In the embodiment of the invention, the gear ring 14 and the cup body 13 are integrally formed by injection molding. It will be appreciated that the ring gear 14 may also be removably secured to the inner wall of the cup body 13.

The driving motor 12 is located in the body 15 and coupled to the planetary carrier 17, and when the driving motor 12 rotates, the planetary carrier 17 is driven to rotate.

The N planetary gears 18 are all fixed on the planetary carrier 17 and meshed with the gear ring 14, the N planetary gears 18 are located in the region outside the central shaft, under the driving of the driving motor 12, the planetary carrier 17 can drive the N planetary gears 18 to eccentrically rotate around the central shaft, the rotating direction of the planetary gears 18 is opposite to that of the planetary carrier 17, the composite motion brings a strong turbulence effect, and the collision frequency of pulp and the blade group 16 is increased.

From the above, the N planetary gears 18 in the juice extractor 100 are located in the region outside the central axis of the cup body 13, and when the driving motor 12 drives the planet carrier 17 to rotate, the N planetary gears 18 connected with the planet carrier 17 are meshed with the gear ring 14 on the cup body 13, and eccentrically move around the central axis in the direction opposite to the rotation direction of the planet carrier 17, so that the rotation direction of the juice in the juice extractor 100 under the stirring of the planet carrier 17 is opposite to the rotation direction of the N blade sets 16, and force in two directions is applied to the juice in the juice extractor 100, and such a combined motion brings a strong turbulence effect, so that the collision frequency of the pulp and the blade sets 16 can be increased, a dead zone of cutting is effectively avoided, and the refining degree of the pulp in the juice extracting process is improved.

In the embodiment of the present invention, the body 15 is provided with a first coupling 21, and the bottom surface of the cup body 13 facing the body 15 is provided with a second coupling 22. The output shaft 121 of the drive motor 12 is connected to the first coupling 21. When the cup body 13 is connected to the body 15, the second coupling 22 cooperates with the first coupling 21, i.e. the first coupling 21 and the second coupling 22 can be connected. When the driving motor 12 rotates, the output shaft 121 drives the shaft 121 and the first coupler 21, and further drives the second coupler 22 to rotate, the second coupler 22 drives the connected transmission shaft 23 to rotate, and the transmission shaft 23 drives the connected planet carrier 17 to rotate. The planetary gears 18 on the planetary carrier 17 are meshed with the gear ring 14 on the inner wall of the cup body 13, so that when the driving motor 12 rotates and the planetary carrier 17 is driven to rotate, the planetary gears 18 arranged on the planetary carrier 17 rotate in the direction opposite to the rotating direction of the planetary carrier 17.

In the embodiment of the present invention, the bottom of the cup body 13 of the juice extractor 100 may further be provided with a bearing seat 31, and the bearing seat 31 is integrally injection-molded with the tool apron 32 in the form of an insert. A rolling bearing 33 is installed in the bearing housing 31, and the transmission shaft 23 is installed in the rolling bearing 33. The planet carrier 17 may be riveted to the transmission shaft 23.

In the specific implementation, in order to improve the sealing performance of the juicer 100 and prevent the extracted juice from entering the juicer body 15 and affecting the operation of electrical components such as the driving motor 12 and the like in the juicer body 15, in the embodiment of the invention, a hole is formed in the tool apron 32, the transmission shaft 23 passes through the hole and is connected with the planet carrier 17, the juicer 100 can further be provided with a framework oil seal 34 and a sealing ring 35, the sealing ring 35 is located below the framework oil seal 34 and the tool apron 32, and the framework oil seal 34 and the sealing ring 35 are matched to improve the sealing performance of the hole and prevent the juice from leaking from the hole.

Referring to fig. 3, in an embodiment of the present invention, N ═ 1, that is, the juicer 100 includes one planetary gear 18. When the juicer 100 is provided with one planetary gear 18, since the planetary gear 18 is not located in the central shaft region of the cup body 13, in order to maintain the dynamic balance when the planet carrier 17 and the output shaft 121 of the driving motor 12 rotate, a balance weight 24 may be provided on the planet carrier 17, and the balance weight 24 is symmetrical to the planetary gear 18 relative to the output shaft 121 of the driving motor 12. The planetary gear 18 is weighted in proportion to the weight of the balance weight 24 so that the dynamic balance of the output shaft 121 of the driving motor 12 can be maintained.

In another embodiment of the invention, N is greater than or equal to 2, and N planetary gears 18 are evenly distributed around the central shaft. In practical application, the N planetary gears 18 may be non-uniformly distributed on the planet carrier 17 according to the shape of the planet carrier 17, and the distribution of the N planetary gears 18 may be set according to the size of the planet carrier 17 and the arrangement position of the juicer 100, and the like, which is only required to maintain the dynamic balance of the planet carrier 17 during the rotation process.

Referring to fig. 1 and 2, a schematic diagram of the juice extractor 100 with 2 planet gears 18 is shown, and it is understood that the number of planet gears 18 may be 3, 4 or other numbers.

In a specific implementation, N planetary gears 18 have N gear pins 19 corresponding to each other, that is, each planetary gear 18 has one corresponding gear pin 19, and each planetary gear 18 is connected to the planetary carrier 17 through the corresponding gear pin 19. In the embodiment of the present invention, each gear pin 19 is connected with the planet carrier 17 in an interference fit manner.

In a specific implementation, N gear pins 19 are connected to N cutter shafts 20 in a one-to-one correspondence and in a clearance manner, and each blade group 16 is fixed on the corresponding cutter shaft 20. In the embodiment of the present invention, each knife shaft 20 is connected to the corresponding gear pin 19 in a close-clearance fit manner, so that the knife shafts 20 can flexibly rotate relative to the gear pin 19. Each blade set 16 may be riveted to the corresponding arbor 20.

In specific implementation, the cup cover 11 can be arranged on the cup body 13, so that fruit juice can be prevented from splashing out of the cup body 13 in the juicing process.

While specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even where only a single embodiment is described with respect to a particular feature. The characteristic examples provided in the present disclosure are intended to be illustrative, not limiting, unless differently stated. In particular implementations, the features of one or more dependent claims may be combined with those of the independent claims as technically feasible according to the actual requirements, and the features from the respective independent claims may be combined in any appropriate manner and not merely by the specific combinations enumerated in the claims.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the invention, as defined in the appended claims.

Claims

1. A juice extractor (100) comprising: driving motor (12), cup body (13) and fuselage (15), its characterized in that still includes: n blade group (16), planet carrier (17), N planetary gear (18), N is greater than or equal to 1, wherein:

the cup body (13) is detachably connected with the machine body (15), and a gear ring (14) is arranged around the central shaft of the cup body (13) along the inner wall of the cup body (13);

the driving motor (12) is positioned in the machine body (15), is coupled with the planet carrier (17) and is suitable for driving the planet carrier (17) to rotate;

the N planetary gears (18) are fixed on the planet carrier (17) and meshed with the gear ring (14), the N planetary gears (18) are located in an area outside the central shaft, and the planet carrier (17) drives the N planetary gears (18) to rotate around the central shaft in an eccentric mode under the driving of the driving motor (12).

2. The juice extractor (100) of claim 1, further comprising: a first coupling (21), a second coupling (22), and a drive shaft (23), wherein:

the first coupling (21) is positioned on the machine body (15) and is connected with an output shaft (121) of the driving motor (12);

two ends of the transmission shaft (23) are respectively connected with the second coupling (22) and the planet carrier (17);

second shaft coupling (22), set up in cup body (13) towards on the bottom surface of fuselage (15), work as cup body (13) with when fuselage (15) are connected, second shaft coupling (22) with first shaft coupling (21) cooperation makes driving motor (12) pass through transmission shaft (23) drive planet carrier (17) rotate.

3. The juice extractor (100) of claim 1, further comprising: and the N gear pin shafts (19) are in one-to-one correspondence with the N planetary gears (18), and each planetary gear (18) is connected with the planet carrier (17) through the corresponding gear pin shaft (19).

4. The juice extractor (100) of claim 3, further comprising: the N cutter shafts (20) are in one-to-one corresponding gap connection with the N gear pin shafts (19), and the N blade groups (16) are fixed on the corresponding cutter shafts (20) respectively.

5. The juice extractor (100) according to claim 1, wherein the ring gear (14) is injection molded in one piece with the cup body (13).

6. The juice extractor (100) according to claim 1, wherein a lid (11) is provided on the cup body (13).

7. The juicer (100) according to any one of claims 1 to 6, wherein when N is 1, a balance weight (24) is arranged on the planet carrier (17), and the balance weight (24) and the planetary gear (18) are symmetrical relative to the output shaft (121) of the driving motor (12) so as to maintain the dynamic balance of the output shaft (121) of the driving motor (12).

8. The juicer (100) of any one of claims 1 to 6, wherein when N ≧ 2, the N planetary gears (18) are evenly distributed about the central axis.