Multi-speed food processor

Abstract

A multi-speed food processor, relating to the technical field of electrical appliances. The multi-speed food processor comprises a cup base (1); a cutter holder (2) is provided in the cup base (1); the cutter holder (2) is provided with a high-speed cutter (3) by means of a high-speed shaft (31), and is provided with a low-speed cutter (4) by means of a low-speed shaft (41); the low-speed shaft (41) is transmittingly connected to the high-speed shaft (31) by means of a speed reduction mechanism, so as to realize the differential rotation of the low-speed shaft (41) and the high-speed shaft (31) in the same direction. The internal structure of a cutter assembly is optimized and adjusted, and the differential rotation of the low-speed shaft (41) and the high-speed shaft (31) in the same direction is realized by means of the speed reduction mechanism, so that the high-speed cutter (3) has a high rotating speed and low torsional force, and the low-speed cutter (4) has a low rotating speed and high torsional force; the combined use of the high-speed cutter and the low-speed cutter is conducive to improving the crushing capability and processing efficiency of the cutter assembly, so that the cutter assembly is suitable for processing hard food materials, such as ice cubes or nuts.

Description

Multi-speed food processor TECHNICAL FIELD

[0001] The utility model relates to the technical field of electrical appliances, especially relates to a multi-speed food processor. BACKGROUND

[0002] The food processor has the functions of making soybean milk, grinding dry powder, juicing, making meat stuffing and shaving ice, can make food processing more simple and rich, and is loved and pursued by people. The traditional food processor has a single function, usually only has one speed, cannot realize multiple speed requirements at the same time, and has certain disadvantages.

[0003] Chinese patent with announcement number CN 203524431U discloses a double-speed juicer with a combination of a crushing blade and a grinding blade, the patent is provided with the crushing blade and the grinding blade which are distributed in an up-down mode in the base, the grinding blade realizes deceleration through a deceleration linkage assembly during work, thereby forming a speed difference with the crushing blade, so that the up-down double-blade reverse differential rotation setting is realized, and the processed food reaches a better delicate effect.

[0004] However, the patent still has the following problems: firstly, the deceleration linkage assembly of the patent can only realize the reverse rotation of the grinding blade and the crushing blade, cannot realize the same direction rotation, and thus is only suitable for the grinding processing of food materials such as beans, and is not suitable for the secondary crushing processing of some hard food materials such as ice blocks or nuts; secondly, the deceleration linkage assembly of the patent adopts a transmission mode of planet wheel fixation and inner gear ring rotation output to drive the grinding blade holder to rotate, and then drive the grinding blade to rotate, and thus a blade holder needs to be arranged to wrap the inner gear to prevent the inner gear from leaking, but this not only increases the parts of the deceleration linkage assembly, but also causes the structure to be complex, the space occupation to be large, and the assembly and arrangement to be not facilitated. SUMMARY

[0005] The utility model provides a multi-speed food processor, and the main purpose lies in solving the problems in the prior art.

[0006] The utility model adopts the following technical scheme:

[0007] A multi-speed food processor, comprising a cup seat, a blade holder is arranged in the cup seat, a high-speed cutter is arranged on the blade holder through a high-speed shaft, and a low-speed cutter is arranged on the blade holder through a low-speed shaft; the low-speed shaft is connected to the high-speed shaft through a deceleration mechanism, so that the low-speed shaft and the high-speed shaft rotate in the same direction at different speeds.

[0008] Further, the low-speed shaft is rotatably arranged outside the high-speed shaft and is connected to the high-speed shaft through the deceleration mechanism.

[0009] Further, the speed reduction mechanism comprises a sun gear, a planet gear, a ring gear and a planet carrier which are matched with each other, the sun gear is fixedly sleeved outside the high-speed shaft, the ring gear is fixedly connected to the tool holder, and the planet carrier is fixedly connected to the low-speed shaft.

[0010] Further, the tool holder comprises an upper tool holder and a lower tool holder which are detachably connected, and an installation cavity is arranged between the upper tool holder and the lower tool holder; the sun gear, the planet gear and the planet carrier are arranged in the installation cavity, and the ring gear is fixedly arranged on the inner side wall of the upper tool holder.

[0011] Further, the ring gear is integrally formed with the upper tool holder.

[0012] Further, the planet carrier comprises an upper support frame and a lower support frame which are detachably connected, and a plurality of planet gears are arranged between the upper support frame and the lower support frame through planet gear shafts; the low-speed shaft is fixedly connected to the upper support frame.

[0013] Further, the low-speed shaft is integrally formed with the upper support frame.

[0014] Further, the high-speed shaft comprises a high-speed upper shaft and a high-speed lower shaft which are detachably connected, and a limiting recess for fixing the sun gear is arranged between the high-speed upper shaft and the high-speed lower shaft.

[0015] Further, a bearing copper bush is arranged between the high-speed shaft and the low-speed shaft.

[0016] Further, an oil seal and a pressing plate are further arranged, the oil seal is sleeved outside the low-speed shaft and is fixedly arranged in the tool holder through the pressing plate.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. The internal structure of the cutter assembly is optimized and adjusted, the speed reduction mechanism is adopted to realize the same direction and differential speed rotation of the low-speed shaft and the high-speed shaft, so that the high-speed cutter has high rotating speed and low torque, the low-speed cutter has low rotating speed and high torque, and the combination of the two can improve the crushing capacity and processing efficiency of the cutter assembly, and the cutter assembly can be applied to the processing of hard food materials such as ice blocks or nuts.

[0019] 2. The transmission mode of the speed reduction mechanism in the utility model adopts the ring gear fixing and planet carrier output, which can not only realize the same direction rotation of the high-speed cutter and the low-speed cutter, but also can reduce the speed and increase the torque of the low-speed cutter, has the advantages of simple structure, compact arrangement and the like, and effectively overcomes the defects of complex structure and large size of the speed reduction mechanism in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 is a structural schematic view of the utility model.

[0021] Figure 2 is a cross-sectional view of the present application.

[0022] In the figure: 1-cup seat; 11-annular stepped surface; 2-knife seat; 21-upper knife seat; 211-annular boss; 22-lower knife seat; 3-high-speed cutter; 31-high-speed shaft; 311-high-speed upper shaft; 312-high-speed lower shaft; 313-limiting recess; 314-bearing; 32-lower clutch; 33-small nut; 4-low-speed cutter; 41-low-speed shaft; 42-large nut; 43-bearing copper sleeve; 51-sun gear; 52-planet gear; 53-ring gear; 54-planetary carrier; 541-upper support frame; 542-lower support frame; 543-connecting column; 55-planet gear shaft; 61-oil seal; 62-pressing plate; 63-sealing ring; 7-gasket. DETAILED DESCRIPTION

[0023] The specific embodiments of the present application will be described below with reference to the accompanying drawings. In order to fully understand the present application, many details will be described below, but the present application can be implemented without these details for those skilled in the art.

[0024] Referring to Figure 1, a multi-speed food processor includes a machine body, a cup seat 1 and a cup body arranged in sequence from bottom to top, a drive motor is provided in the machine body, a cutter assembly connected to the drive motor is provided in the cup seat 1, and is used for crushing food materials in the cup body. The main innovation of the present application lies in the improvement of the structure inside the cup seat 1, so the specific structure of the machine body and the cup body will not be described in detail, and those skilled in the art can design or flexibly match a suitable machine body and cup body according to the specific structure of the cup seat 1 provided in the present embodiment and in combination with the prior art.

[0025] Referring to Figures 1 and 2, the cutter assembly includes a knife seat 2, a high-speed cutter 3, a low-speed cutter 4 and a speed reduction mechanism. A knife seat 2 is provided in the cup seat 1, the knife seat 2 is provided with a high-speed cutter 3 through a high-speed shaft 31, and is provided with a low-speed cutter 4 through a low-speed shaft 41. The low-speed shaft 41 is rotatably sleeved outside the high-speed shaft 31, and is drivingly connected to the high-speed shaft 31 through the speed reduction mechanism, so as to realize the same direction differential rotation of the low-speed shaft 41 and the high-speed shaft 31. The internal structure of the cutter assembly is optimized and adjusted in the present embodiment, the same direction differential rotation of the low-speed shaft 41 and the high-speed shaft 31 is realized through the speed reduction mechanism, so that the high-speed cutter 3 has high rotational speed and low torque, and the low-speed cutter has low rotational speed and high torque, and the combination of the two helps to improve the crushing capacity and processing efficiency of the cutter assembly, so that it can be applied to the processing of some hard food materials such as ice cubes or nuts.

[0026] Referring to FIG. 2, the speed reduction mechanism comprises a sun gear 51, a planet gear 52, a ring gear 53 and a planet carrier 54 which cooperate with each other, the sun gear 51 is fixedly sleeved outside the high-speed shaft 31, the ring gear 53 is fixedly connected to the knife seat 2, and the planet carrier 54 is fixedly connected to the low-speed shaft 41. In operation, the driving motor drives the high-speed shaft 31 to rotate, so that the high-speed cutter 3 rotates at high speed; at the same time, the sun gear 51 rotates synchronously with the high-speed shaft 31, so that the plurality of planet gears 52 rotate around the inner periphery of the ring gear 53, thereby driving the low-speed shaft 41 to rotate through the planet carrier 54, and further reducing the rotating speed of the low-speed cutter 4 and increasing the torque of the low-speed cutter 4. As can be seen, the transmission mode of the speed reduction mechanism in this embodiment, which adopts the fixed ring gear 53 and the output planet carrier 54, not only can realize the same direction rotation of the high-speed cutter 3 and the low-speed cutter 4, but also can reduce the speed and increase the torque of the low-speed cutter 4, has the advantages of simple structure, compact arrangement and the like, and effectively overcomes the defects of complex structure and large size of the speed reduction mechanism in the prior art.

[0027] Referring to FIGS. 1 and 2, the knife seat 2 comprises an upper knife seat 21 and a lower knife seat 22 which are detachably connected, and has a mounting cavity between the upper knife seat 21 and the lower knife seat 22; the sun gear 51, the planet gear 52 and the planet carrier 54 are all arranged in the mounting cavity, and the ring gear 53 is fixedly arranged on the inner side wall of the upper knife seat 21. Arranging the speed reduction mechanism in the mounting cavity of the knife seat 2 can play a protective role, preventing the speed reduction mechanism from being damaged or contaminated, thereby prolonging its service life. As a preferred solution, the ring gear 53 and the upper knife seat 21 are designed in one piece, thereby reducing the number of parts of the cutter assembly and making the structure more compact.

[0028] Referring to FIG. 2, the planet carrier 54 comprises an upper support frame 541 and a lower support frame 542 which are detachably connected, and a plurality of planet gears 52 are arranged between the upper support frame 541 and the lower support frame 542 through a planet gear shaft 55; the low-speed shaft 41 is fixedly connected to the upper support frame 541. Specifically, the upper support frame 541 is provided with a plurality of connecting columns 543, and the lower support frame 542 is arranged on the connecting columns 543 through bolts, thereby forming a mounting space between the upper support frame 541 and the lower support frame 542 for mounting the planet gears 52. In order to further reduce the number of parts and optimize the structure of the cutter assembly, the low-speed shaft 41 and the upper support frame 541 are also designed in one piece.

[0029] Referring to Fig. 2, the high-speed shaft 31 comprises a detachably connected high-speed upper shaft 311 and a high-speed lower shaft 312, and a limiting recess 313 is arranged between the high-speed upper shaft 311 and the high-speed lower shaft 312 for fixing the sun gear 51. Specifically, the high-speed lower shaft 312 is rotatably arranged in the lower tool holder 22 through a bearing 314, the lower end of the high-speed lower shaft 312 extends to the bottom of the lower tool holder 22, and the upper end of the high-speed lower shaft 312 is provided with a blind hole for mounting the high-speed upper shaft 311 and is provided with a lower clutch 32 for connecting a driving motor; the high-speed upper shaft 311 is inserted into the blind hole at the lower end and extends to the top of the upper tool holder 21 at the upper end and is provided with a high-speed cutter 3 through a small nut 33; a recess is arranged on the outer periphery of the high-speed upper shaft 311, and the recess and the upper end of the high-speed lower shaft 312 jointly form the limiting recess 313 for fixing the sun gear 51. Such design not only ensures that the assembly relationship between the sun gear 51 and the high-speed shaft 31 is firm and reliable, but also facilitates disassembly and is conducive to maintenance.

[0030] Referring to Fig. 2, a bearing copper sleeve 43 is arranged between the high-speed shaft 31 and the low-speed shaft 41. Specifically, the low-speed shaft 41 is sleeved on the outside of the high-speed shaft 31, the upper end of the low-speed shaft 41 extends to the top of the upper tool holder 21 and is provided with a low-speed cutter 4 through a large nut 42, the lower end of the low-speed shaft 41 is integrally provided with an upper support frame 541, and the inner side of the low-speed shaft 41 is provided with a clearance slot, the clearance slot is provided with the bearing copper sleeve 43, and the bearing copper sleeve 43 can play a role similar to the ball bearing 314, thereby better supporting the high-speed shaft 31.

[0031] Referring to Fig. 2, the cutter assembly further comprises an oil seal 61 and a pressing plate 62, the oil seal 61 is sleeved on the outside of the low-speed shaft 41 and is fixed in the upper tool holder 21 through the pressing plate 62, thereby preventing external liquids or sundries from entering the inside of the tool holder 2 from the gap between the upper tool holder 21 and the low-speed shaft 41. In addition, the high-speed cutter 3 and the end of the low-speed shaft 41 are also provided with a sealing ring 63, thereby preventing external liquids or sundries from entering the inside of the tool holder 2 from the gap between the high-speed shaft 31 and the low-speed shaft 41.

[0032] Referring to Fig. 2, in order to facilitate disassembly, the tool holder 2 is detachably arranged in the cup holder 1 in the embodiment. Specifically, the cup holder 1 is provided with an internal thread for mounting a cup body and an annular stepped surface 11, and the outer periphery of the upper tool holder 21 is provided with an annular boss 211 which is adapted to the annular stepped surface 11. Thus, after the cup body is mounted, the tool holder 2 can be locked in the cup holder 1, thereby making the installation and disassembly of the cutter assembly more convenient.

[0033] Referring to Fig. 1 and Fig. 2, since the sun gear 51 is rotatable and the bearing copper sleeve 43 is not rotatable, in order to effectively isolate the two and avoid mutual abrasion, a gasket 7 is arranged on the top of the sun gear 51, and the gasket 7 is preferably an electric wood washer.

[0034] The above merely is the specific implementation manner of the utility model, but the design concept of the utility model is not limited to this, and any non-essential change of the utility model by using the concept should belong to the act of infringing the protection range of the utility model.

Claims

1. A multi-speed food processor, characterized in that: The cup seat is internally provided with a cutter seat, the cutter seat is provided with a high-speed cutter through a high-speed shaft and a low-speed cutter through a low-speed shaft, the low-speed shaft is drivingly connected to the high-speed shaft through a speed reduction mechanism, so as to realize the differential rotation of the low-speed shaft and the high-speed shaft in the same direction.

2. A multi-speed food processor as claimed in claim 1, characterised in that: The low-speed shaft is rotatably sleeved outside the high-speed shaft and drivingly connected to the high-speed shaft through the speed reduction mechanism.

3. A multi-speed food processor as claimed in claim 2, characterised in that: The speed reduction mechanism comprises a sun gear, a planet gear, a ring gear and a planet carrier which are matched with each other, the sun gear is fixedly sleeved outside the high-speed shaft, the ring gear is fixedly connected to the cutter seat, and the planet carrier is fixedly connected to the low-speed shaft.

4. A multi-speed food processor as claimed in claim 3, characterised in that: The cutter seat comprises detachably connected upper and lower cutter seats, and an installation cavity is arranged between the upper and lower cutter seats; the sun gear, the planet gear and the planet carrier are arranged in the installation cavity, and the ring gear is fixedly arranged on the inner side wall of the upper cutter seat.

5. A multi-speed food processor as claimed in claim 4, characterised in that: The ring gear is integrally formed with the upper cutter seat.

6. A multi-speed food processor as claimed in claim 3, characterised in that: The planet carrier comprises detachably connected upper and lower support frames, and a plurality of planet gears are arranged between the upper and lower support frames through planet gear shafts; the low-speed shaft is fixedly connected to the upper support frame.

7. A multi-speed food processor as claimed in claim 6, characterised in that: The low-speed shaft is integrally formed with the upper support frame.

8. A multi-speed food processor as claimed in claim 3, characterised in that: The high-speed shaft comprises detachably connected high-speed upper and lower shafts, and a limiting recess for fixing the sun gear is arranged between the high-speed upper and lower shafts.

9. A multi-speed food processor as claimed in claim 2, characterised in that: A bearing copper bush is arranged between the high-speed shaft and the low-speed shaft.

10. A multi-speed food processor as claimed in claim 1, characterised in that: An oil seal and a pressing plate are further arranged, the oil seal is sleeved outside the low-speed shaft and fixedly arranged in the cutter seat through the pressing plate.

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