CN220917236U - Food processor with good use effect - Google Patents

Abstract

The utility model discloses a food processor with good use effect, which relates to the field of household appliances, and comprises a machine body, a cup body, a crushing device and a motor, wherein the cup body is arranged on the machine body and is provided with a crushing cavity, the motor is arranged at the bottom of the cup body and is in transmission connection with the crushing device, the cup body is also provided with a liquid discharge hole communicated with the crushing cavity, a liquid discharge valve for controlling the liquid discharge hole to open and close is arranged at the liquid discharge hole, the motor is a brushless motor, the brushless motor can drive the crushing device to rotate forwards or reversely, the crushing device comprises a crushing piece, a cutter shaft, the top end of the cutter shaft is connected with the crushing piece, the bottom end of the cutter shaft penetrates out of the bottom wall of the cup body, the cutter shaft is in transmission connection with a rotating shaft of the brushless motor, and a circumferential rotation stopping structure is arranged between the cutter shaft and the rotating shaft, so that the cutter shaft and the rotating shaft always rotate in the same direction when the brushless motor rotates forwards or reversely, the brushless motor is driven by the brushless motor, the working stability of the crushing device is ensured, and the efficient processing of materials is realized.

Description

Food processor with good use effect

Technical Field

The utility model relates to the field of household appliances, in particular to a food processor with good use effect.

Background

With the development of society, the living standard is improved, and the pursuit of people on diet diversification and diet health is continuously improved. Thus, various industrial food processors gradually miniaturize and go into thousands of households, such as soymilk machines, not only meet the demands of people for diet health and nutrition, but also greatly improve the life quality of people, thus being favored by people.

The current food processor usually organism, locate the organism and have the cup in smashing the chamber, reducing mechanism and set up in the cup bottom and with reducing mechanism transmission connection's motor, the cup still is equipped with the flowing back hole with smashing the chamber intercommunication, flowing back hole department is equipped with the flowing back valve of control flowing back hole switching, in the course of the work of food processor, the motor provides power to the reducing mechanism, the reducing mechanism smashes the processing to the material in the cup, because the high rotational speed work of motor, the reducing mechanism device high-speed rotation, the material centrifugal force in the cup is too big by circumference throwing to the cup wall, and under the rotation drive of smashing the piece, the material remains a direction throughout and follows the rotation, the phenomenon that the material is smashed incompletely appears easily. In addition, if the motor capable of rotating forward and reversely is used to drive the smashing device to process food materials along different processing directions to improve the processing effect of the food materials, a threaded connector is fixed at the center of a smashing cutter of the smashing device by means of the fixing mode of the existing smashing device, and the connector is fixed on the cutter shaft in a threaded connection mode.

Disclosure of utility model

The utility model aims to provide a food processor with good use effect, which is used for solving the problems that in the existing food processor, a motor only can drive a crushing device to rotate along the same direction, so that food materials are not sufficiently crushed, and the crushing device is easy to separate from a rotating shaft when rotating along different directions.

In order to achieve the above purpose, the utility model provides a food processor with good use effect, which comprises a machine body, a cup body, a crushing device and a motor, wherein the cup body is arranged on the machine body and is provided with a crushing cavity, the motor is arranged at the bottom of the cup body and is in transmission connection with the crushing device, the cup body is also provided with a liquid discharge hole communicated with the crushing cavity, a liquid discharge valve for controlling the liquid discharge hole to open and close is arranged at the liquid discharge hole, the motor is a brushless motor, the brushless motor can drive the crushing device to rotate forwards or reversely, the crushing device comprises a crushing piece and a cutter shaft, the top end of the cutter shaft is connected with the crushing piece, the bottom end of the cutter shaft penetrates out of the bottom wall of the cup body, the cutter shaft is in transmission connection with a rotating shaft of the brushless motor, and a circumferential rotation stopping structure is arranged between the cutter shaft and the rotating shaft.

In the scheme, the brushless motor is adopted, the brush is removed, friction force is greatly reduced during operation, operation is smooth, operation noise is low, the service life is long due to low abrasion, maintenance cost is low, meanwhile, the brushless motor can drive the crushing device to realize forward rotation and reverse rotation by means of the characteristics of the brushless motor, when materials are processed through the crushing device, the brushless motor drives the crushing device to reverse rotation, reaction force is applied to the materials in the crushing cavity, the materials are prevented from being crushed in a one-way mode, the materials are fully crushed, and the using effect of the food processor is improved; and the brushless motor has high efficiency and small volume simultaneously, saves more space for the installation of other parts of food processing member, thereby provide more installation possibility, realize setting up circumference between pivot and arbor from this and end the structure of changeing, circumference ends the structure and connects arbor and pivot respectively, connect reducing mechanism and brushless motor promptly, when brushless motor corotation or reversal, circumference ends the structure and makes arbor and pivot remain the same direction rotation throughout, thereby realize brushless motor to reducing mechanism's transmission, guarantee reducing mechanism's job stabilization nature, realize the high-efficient handling to the material.

In a preferred implementation manner of the food processor with good use effect, the circumferential rotation stopping structure comprises a first rotation stopping structure positioned at the bottom of the cutter shaft and a second rotation stopping structure positioned at the top of the rotating shaft, and the first rotation stopping structure is connected with the second rotation stopping structure to limit the relative circumferential rotation of the cutter shaft and the rotating shaft.

The first rotation stopping structure and the second rotation stopping structure are respectively positioned at the bottom of the cutter shaft and the top of the rotating shaft, the circumferential rotation stopping structure is divided into two parts (namely the first rotation stopping structure and the second rotation stopping structure) which are respectively connected with the cutter shaft and the rotating shaft, so that the circumferential rotation stopping structure can strengthen the connectivity between the cutter shaft and the rotating shaft, and the phenomenon that the circumferential rotation stopping structure is unstable in transmission in the rotating process when only arranged on the cutter shaft or only arranged on the rotating shaft is avoided, the transmission connection between the cutter shaft and the rotating shaft can be realized, and the circumferential rotation stopping effect on the cutter shaft and the rotating shaft can be ensured.

In a preferred implementation of the food processor with good use, one of the first rotation-stopping structure and the second rotation-stopping structure comprises a rotation-stopping groove, and the other one of the first rotation-stopping structure and the second rotation-stopping structure comprises a rotation-stopping protrusion which is in rotation-stopping fit with the rotation-stopping groove.

The rotation stopping groove and the rotation stopping bulge are simple in structure, and the rotation stopping groove or the rotation stopping bulge can be directly formed at the bottom of the cutter shaft or the top of the rotary shaft without arranging other structures, so that the additional connection between the circumferential rotation stopping structure and the cutter shaft and the rotary shaft is directly avoided, and the connection relation of the circumferential rotation stopping structure is reduced; the combination of the rotation stopping groove and the rotation stopping bulge enables the cutter shaft to be directly connected with the rotating shaft, connection and transmission effects can be guaranteed, assembly procedures can be reduced, simultaneously, the rotation stopping groove or the rotation stopping bulge can be arranged at the bottom of the cutter shaft, the rotation stopping bulge or the rotation stopping groove can be correspondingly arranged at the top of the rotating shaft, the structure of the rotation stopping groove and the rotation stopping bulge is simple and easy to realize, circumferential rotation stopping of the cutter shaft and the rotating shaft is realized through the simple structure cooperation of the rotation stopping groove and the rotation stopping bulge, the assembly space requirement is small, the processing difficulty is low, and the cooperation effect is good.

In a preferred implementation mode of the food processor with good use effect, the rotation stopping protrusions are arranged at intervals along the circumferential direction of the cutter shaft, and the rotation stopping grooves are arranged at intervals along the circumferential direction of the cutter shaft.

The connection stability between the cutter shaft and the rotating shaft is enhanced through the arrangement of the plurality of contraposition rotation stopping bulges and the rotation stopping grooves, and the connection stability of the circumferential rotation stopping structure is enhanced, the plurality of rotation stopping bulges are connected with the rotation stopping grooves in a matched mode, when the brushless motor runs, the circumferential rotation stopping between the cutter shaft and the rotating shaft is realized through the rotation stopping bulges and the rotation stopping grooves which are matched with each other, the connection separation between the cutter shaft and the rotating shaft is avoided, the circumferential rotation stopping effect is further improved, and therefore the using effect of the food processing machine is further guaranteed.

In a preferred implementation mode of the food processor with good use effect, a first rotation stopping structure rotation stopping protrusion and a second rotation stopping structure rotation stopping groove are formed, and a first avoidance gap is formed between the bottom end of the rotation stopping protrusion and the bottom wall of the rotation stopping groove; or alternatively

The cutter shaft is provided with a step surface positioned above the rotation stopping bulge, and a second avoidance gap is formed between the step surface and the groove wall of the rotation stopping groove.

The gap is dodged to first clearance and the second dodges the clearance and is formed when the protruding and the groove counterpoint of ending changes, the first clearance of dodging makes the protruding bottom of ending changes the diapire in groove and avoids wearing and tearing when rotating, and likewise, the second dodges the clearance and makes the step face that ends the protruding top of ending change and the cell wall of ending changes the groove and avoid wearing and tearing when rotating, increase of service life, and the first clearance of dodging and the second clearance of dodging reduce the area of contact between arbor and the pivot, make the transmission between arbor and the pivot more smooth and easy, further guarantee that the forward rotation and the reversal of brushless motor drive the effect to reducing gear, thereby guarantee that the material realizes intensive mixing in smashing the intracavity.

In a preferred implementation of the food processor with good use, one of the first rotation stopping means and the second rotation stopping means comprises an outer coupling and the other comprises an inner coupling cooperating with the outer coupling.

The outer coupler and the inner coupler are in transmission connection with the cutter shaft and the rotating shaft, and meanwhile, due to the matching characteristics of the outer coupler and the inner coupler, the outer coupler and the inner coupler can only rotate in the same direction under the driving of the rotating shaft after being combined, and the circumferential rotation stopping effect of the crushing device can be achieved without additionally greatly changing parts of the food processor.

In a preferred implementation of the food processor with good use effect, the second rotation stopping structure comprises an inner coupling and a connecting piece for fixing the rotating shaft and the inner coupling into a whole.

The connection between the inner coupler and the rotating shaft is realized through the connecting piece, and as the brushless motor drives the smashing device to rotate forward or reversely, the driving of the rotating shaft to the cutter shaft is realized through the driving of the rotating shaft to the cutter shaft, the driving of the rotating shaft to the cutter shaft is realized through the connection between the inner coupler and the outer coupler, the connection and the stable transmission relation between the inner coupler and the rotating shaft are ensured through the connecting piece, the connecting piece is necessary for realizing the stabilization of the forward rotation or the reverse rotation of the smashing device, the inner coupler and the rotating shaft are fixed into a whole, the stable connection of the inner coupler and the rotating shaft is ensured, the transmission effect of the inner coupler is effectively ensured, and the stable rotation of the smashing device is realized.

In a preferred implementation of the food processor with good use effect, the connecting piece is provided with a first internal thread and a second internal thread with opposite fastening directions, the internal coupling is provided with a first external thread adapted to the first internal thread, and the rotary shaft is provided with a second external thread adapted to the second internal thread.

Through setting up first internal thread and the second external screw thread opposite in direction at the connecting piece, interior shaft coupling sets up first external screw thread and second external screw thread respectively with the pivot, and connecting piece and interior shaft coupling and pivot are through the threaded connection of direction difference respectively, make the connecting piece lie in when interior shaft coupling and pivot are connected respectively, can realize fastening connection effect in two opposite directions homoenergetic to when further realizing brushless motor corotation or reversal, to interior shaft coupling's circumference rotation stopping effect.

In a preferred implementation of the food processor with good use effect, a cavity is formed between the cup and the brushless motor, and the circumferential rotation stopping structure is located in the cavity.

The brushless motor is small in size, more installation space is saved for the food processor, the cavity between the cup body and the brushless motor provides sufficient assembly space for the circumferential rotation stopping structure, the circumferential rotation stopping structure is guaranteed to have sufficient connection space with the bottom of the cutter shaft and the top of the rotary shaft, the circumferential rotation stopping structure and the cutter shaft are guaranteed not to interfere other parts when the cutter shaft is driven to rotate forwards or reversely by the rotary shaft, and therefore stability of forward rotation and reverse rotation of a crushed piece is achieved.

In a preferred implementation of the food processor with good use effect, an elastic gasket is arranged between the bottom of the crushing member and the cup body.

The crushing piece rotates at a high speed in the working process, the joint of the crushing piece and other parts is easy to collide, rub and even loosen, the elastic gasket provides a certain variable space in the vertical direction in the forward rotation or reverse rotation process of the crushing piece, and meanwhile, the elastic gasket is fixedly connected with the cutter shaft at the bottom of the crushing piece and contacts with the inner wall of the cup body at the other side of the crushing piece, so that the position relationship between the crushing piece and the cutter shaft and the cup body is ensured to be stable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a food processor in accordance with an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a cup and brushless motor, in accordance with one embodiment of the utility model;

FIG. 3 is an exploded view of a cup and brushless motor, in accordance with one embodiment of the utility model;

FIG. 4 is a cross-sectional view of a cup and brushless motor, in accordance with one embodiment of the utility model;

Fig. 5 is an exploded view of a cup and a brushless motor according to another embodiment of the utility model.

Reference numerals illustrate:

1-a cup body, 11-a crushing cavity and 12-a liquid discharge hole; 2-crushing device, 21-crushing piece, 22-cutter shaft and 221-step surface; 3-brushless motor, 31-rotating shaft; the device comprises a 4-circumferential rotation stopping structure, a 41-first rotation stopping structure, a 42-second rotation stopping structure, a 43-rotation stopping groove, a 44-rotation stopping protrusion, a 45-inner coupler, a 46-outer coupler, a 47-first avoidance gap, a 48-second avoidance gap and a 49-connecting piece; 5-cavity; 6-elastic pad.

Detailed Description

In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 5, a good-use food processor comprises a machine body, a cup body 1 arranged on the machine body and provided with a crushing cavity 11, a crushing device 2 and a motor arranged at the bottom of the cup body 1 and in transmission connection with the crushing device 2, wherein the cup body 1 is further provided with a liquid discharge hole 12 communicated with the crushing cavity 11, a liquid discharge valve for controlling the liquid discharge hole 12 to open and close is arranged at the position of the liquid discharge hole 12, the motor is a brushless motor 3, the brushless motor 3 can drive the crushing device 2 to rotate forwards or reversely, the crushing device 2 comprises a crushing piece 21 and a cutter shaft 22, the top end of the cutter shaft 22 is connected with the crushing piece 21, the bottom end of the cutter shaft penetrates out of the bottom wall of the cup body 1, the cutter shaft 22 is in transmission connection with a rotating shaft 31 of the brushless motor 3, and a circumferential rotation stopping structure 4 is arranged between the cutter shaft 22 and the rotating shaft 31.

In the scheme, the brushless motor 3 is adopted, the brush is removed by the brushless motor 3, friction force is greatly reduced during operation, operation is smooth, operation noise is low, the service life is long, the maintenance cost is low because the abrasion is low, meanwhile, the brushless motor 3 can drive the smashing device 2 to realize forward rotation and reverse rotation by means of the characteristics of the brushless motor 3, when materials are processed through the smashing device 2, the smashing device 2 is driven to reverse rotation by the brushless motor 3, reaction force is applied to the materials in the smashing cavity 11, the phenomenon that the materials are not thoroughly processed due to unidirectional smashing is avoided, the materials are fully smashed, and the using effect of the food processor is improved; and brushless motor 3 possesses high efficiency and small volume simultaneously, save more space for the installation of other parts of food processing member, thereby provide more installation possibility, realize setting up circumference between pivot 31 and arbor 22 and end rotating structure 4 from this, circumference end rotating structure 4 connects arbor 22 and pivot 31 respectively, connect reducing mechanism 2 and brushless motor 3 promptly, when brushless motor 3 corotation or reversal, circumference end rotating structure 4 makes arbor 22 and pivot 31 remain the same direction throughout and rotate, thereby realize brushless motor 3 to reducing mechanism 2's transmission, guarantee reducing mechanism 2's job stabilization nature, realize the high-efficient handling to the material.

In addition, adopt brushless motor 3, make pivot 31 and arbor 22 be connected, pivot 31 is located cup 1 outside all the time, make things convenient for the dismantlement between reducing mechanism 2 and the brushless motor 3, can overhaul change to smashing piece 21 or arbor 22, reduce the tool changing cost, can directly change different smashing piece 21 simultaneously, realize multiple crushing effect, and pivot 31 is located cup 1 outside, is favorable to increasing smashing the space accommodation volume of chamber 11, can handle more materials.

As shown in fig. 2, in one embodiment, the circumferential rotation stopping structure 4 includes a first rotation stopping structure 41 located at the bottom of the arbor 22 and a second rotation stopping structure 42 located at the top of the rotating shaft 31, where the first rotation stopping structure 41 is connected to the second rotation stopping structure 42 to limit the arbor 22 from rotating circumferentially relative to the rotating shaft 31.

The first rotation stopping structure 41 and the second rotation stopping structure 42 are respectively positioned at the bottom of the cutter shaft 22 and the top of the rotating shaft 31, the circumferential rotation stopping structure 4 is divided into two parts (namely the first rotation stopping structure 41 and the second rotation stopping structure 42) and respectively connected with the cutter shaft 22 and the rotating shaft 31, so that the connectivity between the circumferential rotation stopping structure 4 and both the cutter shaft 22 and the rotating shaft 31 is enhanced, the phenomenon that the circumferential rotation stopping structure 4 is unstable in transmission in the rotating process when only the cutter shaft 22 or the rotating shaft 31 is arranged is avoided, the transmission connection between the cutter shaft 22 and the rotating shaft 31 can be realized, and the circumferential rotation stopping effect on the cutter shaft 22 and the rotating shaft 31 can be ensured.

The specific form of the first rotation stopping structure and the second rotation stopping structure in this embodiment of the present application is not specifically limited, and may be any of the following examples:

Embodiment one:

As shown in fig. 3 and 4, one of the first rotation stopping structure 41 and the second rotation stopping structure 42 includes a rotation stopping groove 43, and the other includes a rotation stopping protrusion 44 that is in rotation stopping engagement with the rotation stopping groove 43.

The rotation stopping groove 43 and the rotation stopping protrusion 44 have simple structures, and the rotation stopping groove 43 or the rotation stopping protrusion 44 can be directly formed at the bottom of the cutter shaft 22 or the top of the rotary shaft 31 without arranging other structures, so that the additional connection between the circumferential rotation stopping structure 4 and the cutter shaft 22 and the rotary shaft 31 is directly avoided, and the connection relation of the circumferential rotation stopping structure 4 is reduced; the combination of the rotation stopping groove 43 and the rotation stopping protrusion 44 enables the cutter shaft 22 and the rotating shaft 31 to be directly connected, connection and transmission effects can be guaranteed, assembly procedures can be reduced, meanwhile, the rotation stopping groove 43 or the rotation stopping protrusion 44 can be arranged at the bottom of the cutter shaft 22, the rotation stopping protrusion 44 or the rotation stopping groove 43 can be correspondingly arranged at the top of the rotating shaft 31, the structure arrangement of the rotation stopping groove 43 and the rotation stopping protrusion 44 is simple and easy to realize, the circumferential rotation stopping of the cutter shaft 22 and the rotating shaft 31 is realized through the simple structure cooperation of the rotation stopping groove 43 and the rotation stopping protrusion 44, the assembly space requirement is small, the processing difficulty is low, and the cooperation effect is good.

Embodiment two:

As shown in fig. 5, one of the first rotation stopping structure 41 and the second rotation stopping structure 42 includes an outer coupler 46, and the other includes an inner coupler 45 that mates with the outer coupler 46.

The outer coupler 46 and the inner coupler 45 realize transmission connection between the cutter shaft 22 and the rotating shaft 31, and meanwhile, due to the matching characteristics of the outer coupler 46 and the inner coupler 45, the outer coupler 46 and the inner coupler are combined and can only rotate in the same direction under the driving of the rotating shaft 31, so that the circumferential rotation stopping effect of the crushing device 2 can be realized without additionally greatly changing the parts of the food processor.

In the first embodiment, it is preferable that the rotation stopping protrusions 44 are provided in plurality at intervals along the circumferential direction of the cutter shaft 22, and the rotation stopping grooves 43 are provided in plurality at intervals along the circumferential direction of the rotary shaft 31 (not shown in this mode).

Through setting up the connection stability between the cutter shaft 22 and the pivot 31 of a plurality of counterpoints and stopping rotating the protruding 44 and stopping rotating the groove 43, strengthen the connection stability of circumference and stopping rotating the structure 4 simultaneously, a plurality of stopping rotating protruding 44 and stopping rotating the groove 43 cooperation and be connected, when brushless motor 3 operation, each mutually supporting stopping rotating protruding 44 and stopping rotating the groove 43 and all realizing circumference between cutter shaft 22 and the pivot 31 and stopping rotating, avoid being connected between cutter shaft 22 and the pivot 31 and break away from, further improve circumference and stop rotating the effect to further guarantee the result of use of food processor.

Preferably, the rotation stopping protrusions 44 are disposed at the center and the circumferential direction of the bottom of the arbor 22, and the rotation stopping grooves 43 are disposed at the rotating shaft 31 to align the rotation stopping protrusions 44, so that the arbor 22 and the rotating shaft 31 have a connection relationship in the center and the circumferential direction, thereby further enhancing the connection stability between the arbor 22 and the rotating shaft, and effectively ensuring the circumferential rotation stopping effect of the rotation stopping grooves 43 and the rotation stopping protrusions 44.

In the first embodiment, the rotation stopping protrusion 44 may be provided on the rotary shaft 31, and the rotation stopping groove 43 may be provided on the cutter shaft 22.

As shown in fig. 4, in the first embodiment, the first rotation stopping structure 41 is provided with the rotation stopping protrusion 44, the second rotation stopping structure 42 is provided with the rotation stopping groove 43, and the bottom end of the rotation stopping protrusion 44 and the bottom wall of the rotation stopping groove 43 are provided with the first avoiding gap 47; or alternatively

The cutter shaft 22 is provided with a step surface 221 above the rotation stopping protrusion 44, and a second avoiding gap 48 is formed between the step surface 221 and the groove wall of the rotation stopping groove 43.

The first clearance 47 and the second clearance 48 of dodging are dodged when the boss 44 and the groove 43 of dodging are counterpointed and are connected, the first clearance 47 of dodging makes the bottom of the boss 44 and the diapire of the groove 43 of dodging avoid wearing and tearing when rotating, and likewise, the second clearance 48 of dodging makes the step face 221 of the boss 44 top and the groove wall of the groove 43 of dodging avoid wearing and tearing when rotating, increase of service life, and the first clearance 47 and the second clearance 48 of dodging reduce the area of contact between arbor 22 and the pivot 31, make the transmission between arbor 22 and the pivot 31 more smooth and easy, further guarantee that the forward rotation and the reversal of brushless motor 3 drive the effect to reducing gear 2, thereby guarantee that the material realizes intensive mixing in crushing chamber 11.

As shown in fig. 5, in the second embodiment, the second rotation stopping structure 42 preferably includes an inner coupling 45 and a connecting member 49 that fixes the rotation shaft 31 and the inner coupling 45 as one body.

The connection between the inner coupler 45 and the rotating shaft 31 is realized through the connecting piece 49, and as the driving of the brushless motor 3 to the forward rotation or the reverse rotation of the crushing device 2 is realized through the driving of the rotating shaft 31 to the cutter shaft 22, the driving of the rotating shaft 31 to the cutter shaft 22 is realized through the connection between the inner coupler 45 and the outer coupler 46, the connection and the stable transmission relation between the inner coupler 45 and the rotating shaft 31 are ensured through the connecting piece 49, which is necessary for realizing the stability of the forward rotation or the reverse rotation of the crushing device 2, the connecting piece 49 fixes the inner coupler 45 and the rotating shaft 31 into a whole, and the stable connection of the inner coupler 45 and the rotating shaft 31 is ensured, thereby effectively ensuring the transmission effect of the inner coupler 45 and realizing the stable rotation of the crushing device 2.

Further, the connecting member 49 is provided with a first female screw and a second female screw which are opposite in fastening direction, the inner coupler 45 is provided with a first male screw which is fitted with the first female screw, and the rotary shaft 31 is provided with a second male screw (not shown in the drawing) which is fitted with the second female screw.

Through setting up the first internal thread and the second external screw thread opposite in direction at connecting piece 49, interior shaft coupling 45 sets up first external screw thread and second external screw thread respectively with pivot 31, connecting piece 49 and interior shaft coupling 45 and pivot 31 respectively pass through the threaded connection that the direction is different, make connecting piece 49 lie in when interior shaft coupling 45 and pivot 31 are connected respectively, can both realize fastening connection effect in opposite two directions to when further realizing brushless motor 3 corotation or reversal, to the circumference rotation-stopping effect of interior shaft coupling 45.

As shown in fig. 2, in one embodiment, a cavity 5 is formed between the cup 1 and the brushless motor 3, and the circumferential rotation stopping structure 4 is located in the cavity 5.

The brushless motor 3 is small in size, more installation space is saved for the food processor, the cavity 5 between the cup body 1 and the brushless motor 3 provides sufficient assembly space for the circumferential rotation stopping structure 4, the circumferential rotation stopping structure 4 is guaranteed to have sufficient connection space with the bottom of the cutter shaft 22 and the top of the rotary shaft 31, and the circumferential rotation stopping structure 4 and the cutter shaft 22 are guaranteed not to interfere other parts when driven by the rotary shaft 31 to rotate forward or reversely, so that the stability of the forward rotation and the reverse rotation of the crushing piece 21 is realized.

As shown in fig. 2, in one embodiment, an elastic pad 6 is provided between the bottom of the pulverizing member 21 and the cup 1.

Since the crushing member 21 rotates at a high speed in the working process, collision friction and even loosening are easy to occur at the joint of the crushing member 21 and other parts, the elastic gasket 6 provides a certain variable space in the vertical direction in the forward rotation or reverse rotation process of the crushing member 21, and meanwhile, since the crushing member 21 is fixedly connected with the cutter shaft 22, the elastic gasket 6 contacts with the inner wall of the cup body 1 at the bottom of the crushing member 21 and the other side of the crushing member, so that the position relationship between the crushing member 21 and the cutter shaft 22 and the cup body 1 is ensured to be stable.

The application can be realized by adopting or referring to the prior art at the places which are not described in the application.

In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a food processor that excellent in use effect, includes the organism, locates the organism and have cup, reducing mechanism and the setting of smashing the chamber are in the cup bottom just with the motor that reducing mechanism transmission is connected, the cup still is equipped with the flowing back hole that communicates with smashing the chamber, flowing back hole department is equipped with the control the flowing back valve of flowing back hole switching, its characterized in that, the motor is brushless motor, brushless motor can drive reducing mechanism corotation or reversal, reducing mechanism including smash piece and top with smash the piece and be connected and the bottom wears out the arbor of cup diapire, the arbor with the pivot transmission of brushless motor is connected, just the arbor with be equipped with circumference between the pivot and stop the commentaries on classics structure.

2. The food processor of claim 1, wherein the circumferential rotation stopping structure comprises a first rotation stopping structure at the bottom of the arbor and a second rotation stopping structure at the top of the arbor, and the first rotation stopping structure is connected with the second rotation stopping structure to limit the arbor from rotating circumferentially relative to the arbor.

3. The food processor of claim 2, wherein one of the first and second rotation-stopping structures includes a rotation-stopping groove and the other includes a rotation-stopping protrusion that is in rotation-stopping engagement with the rotation-stopping groove.

4. A food processor according to claim 3, wherein the rotation stopping protrusions are provided in a plurality along the circumferential direction of the cutter shaft, and the rotation stopping grooves are provided in a plurality along the circumferential direction of the cutter shaft.

5. The food processor of claim 3, wherein the first rotation stopping structure is the rotation stopping protrusion, the second rotation stopping structure is the rotation stopping groove, and a first avoiding gap is formed between the bottom end of the rotation stopping protrusion and the bottom wall of the rotation stopping groove; or alternatively

The cutter shaft is provided with a step surface positioned above the rotation stopping protrusion, and a second avoidance gap is formed between the step surface and the groove wall of the rotation stopping groove.

6. A food processor according to claim 2, wherein one of the first and second rotation stopping arrangements comprises an outer coupling and the other comprises an inner coupling co-operating with the outer coupling.

7. The food processor of claim 6 wherein the second rotation stopping mechanism comprises an inner coupler and a connector securing the shaft to the inner coupler.

8. The food processor of claim 7, wherein the connector has a first internal thread and a second internal thread with opposite fastening directions, the inner coupler has a first external thread adapted to the first internal thread, and the shaft has a second external thread adapted to the second internal thread.

9. The food processor of claim 1, wherein a cavity is formed between the cup and the brushless motor, and the circumferential anti-rotation structure is located in the cavity.

10. The food processor of claim 1, wherein an elastic pad is disposed between the bottom of the comminuting member and the cup.