CN218943045U - A connector assembly and cooking stick for food processor - Google Patents

Abstract

The utility model discloses a connector assembly and a cooking rod for a food processor, wherein the connector assembly comprises a first connecting piece connected with a workpiece and a second connecting piece fixedly connected with the output end of a motor, the first connecting piece and the second connecting piece are in separable plug-in fit, a rotation stopping convex rib is arranged on the circumference of the first connecting piece in a protruding mode, a rotation stopping groove matched with the rotation stopping convex rib is arranged on the second connecting piece, a convex hull structure protruding towards the groove wall of the rotation stopping groove is arranged on the rotation stopping convex rib, the gap between the rotation stopping convex rib and the rotation stopping groove is reduced, so that the first connecting piece and the second connecting piece can be tightly attached, and noise generated during working is reduced; the convex hull structure is arranged to enable the contact area to be smaller, friction between the first connecting piece and the second connecting piece is further smaller, excessive interference is avoided, and torque transmission is guaranteed on the basis of vibration reduction.

Description

A connector assembly and cooking stick for food processor

Technical Field

The utility model relates to the technical field of household appliances, in particular to a connector assembly for a food processor and a cooking rod.

Background

The food processor comprises a motor and a workpiece, wherein the motor and the workpiece are connected through a connector assembly, the connector assembly comprises a first connecting piece connected with the workpiece and a second connecting piece fixedly connected with the output end of the motor, the first connecting piece and the second connecting piece are in separable plug-in connection, and in the working process of the food processor, the motor drives the connecting piece to rotate, and the connecting piece drives the workpiece to rotate so as to realize the processing of food. But in the use, because there is the clearance in first connecting piece and second connecting piece junction, consequently, can appear striking the condition of vibration and noise that leads to between first connecting piece and the second connecting piece at the during operation, in order to solve this problem, prior art's connector subassembly sets up the direct collision isolation between first connecting piece and the second connecting piece at the junction flexible structure, a silence formula hand-held mixer that patent number is proposed in CN201120204158.2, through being provided with the flexible structure of a week with the junction of first connecting piece and second connecting piece along the circumference and realizing making an uproar, but, the mode of setting up the flexible structure of a week surrounding has increased the area of contact between first connecting piece and the second connecting piece, increased the frictional force between first connecting piece and the second connecting piece, on the one hand leads to easily appearing the condition of location or interference, on the other hand leads to the torque transmission's effect relatively poor.

Disclosure of Invention

The utility model aims to provide a connector assembly and a cooking rod for a food processor, which are used for solving the problems that in the existing food processor, gaps between transmission connecting pieces are large, direct collision occurs between the connecting pieces during rotation to generate noise, and meanwhile, a flexible piece is adopted to surround the whole circle to cause poor torque transmission effect.

In order to achieve the above-mentioned purpose, the present utility model provides a connector assembly for a food processor, the food processor includes a motor and a workpiece, the connector assembly includes a first connector connected with the workpiece and a second connector fixedly connected with an output end of the motor, the first connector and the second connector are detachably inserted and matched, a rotation stopping convex rib is convexly arranged on a circumferential direction of the first connector, a rotation stopping groove matched with the rotation stopping convex rib is arranged on the second connector, and a convex hull structure protruding towards a groove wall of the rotation stopping groove is arranged on the rotation stopping convex rib.

According to the anti-rotation convex rib, the convex hull structure protruding towards the groove wall of the anti-rotation groove is arranged on the anti-rotation convex rib, so that the gap between the anti-rotation convex rib and the anti-rotation groove is reduced, the gap between the first connecting piece and the second connecting piece is smaller when the connector rotates, and the situation that noise and vibration are generated when the food processor rotates due to the fact that the joint of the first connecting piece and the second connecting piece is too large in gap during working is avoided; simultaneously, compare in prior art with first connecting piece and second connecting piece through flexible construction parcel avoiding producing noise and vibration, reduce the clearance of first connecting piece and second connecting piece junction through setting up convex hull structure in this application, make area of contact on the one hand less, and then make the frictional force between first connecting piece and the second connecting piece less, avoid appearing the condition of excessive interference, on the basis of reducing vibration, can also guarantee the transmission of moment of torsion, on the other hand, can also reduce the use of spare part, reduce the error of axiality that produces in the assembly process.

In a preferred implementation of the connector assembly for a food processor, the rotation stopping bead extends in an axial direction of the first connector, and the rotation stopping bead is provided with a plurality of convex hull structures uniformly arranged in the axial direction.

The rotation stopping convex rib extends along the axial direction of the first connecting piece, so that the length of the rotation stopping convex rib is increased, the transmission effect between the first connecting piece and the second connecting piece is further improved, and the transmitted torque is improved; through a plurality of convex hull structures of evenly arranging along the axial at the protruding muscle of ending, further reduced the gap of ending between protruding muscle of ending and the groove of ending, reduced the beat volume between first connecting piece and the second connecting piece, make the clearance that ends between protruding muscle of ending and the groove of ending smaller, promoted the shock attenuation noise reduction's of connector assembly effect.

In a preferred implementation of the connector assembly for a food processor, a plurality of rotation-stopping ribs are provided along the first connecting piece circumference, and the convex hull structure is located at the front side of each rotation-stopping rib along the rotation direction.

Through with only changeing protruding muscle along first connecting piece circumference setting a plurality of, and the convex hull structure is located every and only changeing protruding muscle along direction of rotation's leading flank, with convex hull structure setting in only changeing protruding muscle along direction of rotation's leading flank, when only changeing protruding muscle rotatory, convex hull structure and the recess butt that only changeing, more directly reduced the clearance that only changeing between protruding muscle and the recess that only changeing, and then reduced the distance that only changeing between recess and the protruding muscle that only changeing, further avoid only changeing the protruding muscle of rotation and the condition that the beat striking produced noise and vibration between the recess that only changeing when only changeing, further promoted connector assembly's noise reduction and shock absorption ability.

In a preferred implementation of a connector assembly for a food processor, the axial length a of a lobe formation and the axial spacing C between adjacent lobe formations satisfy: a is more than C and less than or equal to 5A; alternatively, the protrusion height E of the convex hull structure and the radial length B of the convex hull structure satisfy: E/B is more than or equal to 1 and less than or equal to 3.

The axial distance C between the axial length A of the convex hull structure and the axial distance C between the adjacent convex hull structures is set to be 1-5, so that the convex hull structures can be reasonably distributed on the rotation-stopping convex ribs, the number of the convex hull structures can be increased, the increase of the length of the convex hull structures caused by overlarge or undersize convex hull structures is avoided, the contact area between the convex hull structures and the rotation-stopping grooves is increased, friction is increased, excessive interference occurs, the friction area between the rotation-stopping grooves and the convex hull structures is reduced, vibration and noise are reduced on one hand, and torque transmission is guaranteed on the other hand. Similarly, the protruding height E of the convex hull structure and the radial length B of the convex hull structure are set to be 1-3, so that the position distribution of the convex hull structure is more reasonable, the overlarge contact area between the convex hull structure and the rotation stopping groove caused by overlarge convex hull structure is avoided, the friction is increased, the excessive interference is further caused, the contact area between the rotation stopping groove and the convex hull structure is reduced, the convex hull structure is prevented from being too small, the gap between the first connecting piece and the second connecting piece is reduced, the vibration cannot be avoided, the convex hull structure works more reliably, and noise and vibration are further effectively avoided in the working process.

In a preferred implementation of the connector assembly for a food processor, an outer diameter of one end of the first connector is enlarged to form a stepped surface axially limited by the second connector, and the anti-rotation ribs extend axially along the first connector to connect with the stepped surface.

Through be provided with the spacing step face of second connecting piece axial with first connecting piece, and it sets up to extend to be connected with the step face along first connecting piece axial, so that when first connecting piece and second connecting piece are joined in marriage, when the cooperation of first connecting piece and second connecting piece is in place, the step face can provide a spacing for the second connecting piece, and then can be clear know whether the installation of first connecting piece and second connecting piece is in place, avoid excessively installing the condition that causes the connector to damage, simultaneously, set up to be connected with the step face with the protruding muscle of stopping rotating, set up in the position of being connected with the cooperation of second connecting piece with the protruding muscle of stopping rotating, on the one hand, increase the length of the protruding muscle of stopping rotating, and then increased the setting mode of protruding package structure, so that the protruding package structure can carry out effectual vibration and reduce noise, on the other hand, and then make first connecting piece and second connecting piece keep away portably when the assembly.

In a preferred implementation of the connector assembly for a food processor, the first connector comprises a connecting body and a limiting boss located at the front end of the connecting body, the rotation-stopping protruding rib is located on the connecting body, an annular groove is formed between the limiting boss and the connecting body, and a damping ring is sleeved in the annular groove and radially abutted to the second connector.

Through the cover establish the damping collar in the ring channel, and the radial butt in the second connecting piece of damping collar, when first connecting piece and second connecting piece are connected, the spacing boss and the second connecting piece butt of first connecting piece, the damping collar can offset the beat volume that convex hull structure did not offset, and then produce friction and vibration's condition when effectively avoiding first connecting piece and second connecting piece butt more, the absorbing effect of first connecting piece and second connecting piece when the butt is damped has been promoted, simultaneously, set up the damping collar in radial butt in the second connecting piece, the soft connection between first connecting piece and the second connecting piece has been realized promptly, can play the effect of self-adaptation centering when the assembly, noise and vibration when the food processor is running have further been reduced.

In a preferred implementation of the connector assembly for a food processor, the damping collar has an elliptical longitudinal cross-section.

Through setting up the longitudinal section of shock attenuation circle to oval, on the one hand, the lateral wall of shock attenuation circle is thinner to make under the less circumstances of first connecting piece and second connecting piece cooperation diameter possess more cooperation volume with the connecting piece in outside, and then play better shock attenuation effect, on the other hand, because the thickness of outside connecting piece is thinner, even the interference volume is bigger also still can satisfy normal assembly feel, promoted user's use experience.

In a preferred implementation of the connector assembly for a food processor, the damping collar comprises a damping body clamped in the annular groove and an extension extending from the damping body to the end face of the limit boss.

Through setting up the shock attenuation circle to including the shock attenuation body of joint in the ring channel and extend to the extension of spacing boss terminal surface from the shock attenuation body to with the omnidirectional isolation of first connecting piece and second connecting piece, the condition that relative motion appears and then appears vibration and noise appears in direct contact between first connecting piece and the second connecting piece when avoiding first connecting piece and second connecting piece to assemble, has further promoted the vibration isolation noise reduction's of shock attenuation circle effect.

In a preferred implementation of the connector assembly for a food processor, the extension is in axial abutment with the second connector.

Through with extension and second connecting piece axial butt, and then keep apart first connecting piece and second connecting piece axial position through the damping collar, further avoid first connecting piece and second connecting piece direct contact to produce relative displacement and lead to the condition that food processor at during operation first connecting piece and second connecting piece produce relative motion and produce vibration and noise, further promoted damping collar shock attenuation and noise reduction's effect.

The application also provides a cooking stick, including motor, machined part, above-mentioned connector assembly and the casing of encircleing at motor periphery, the outside of casing forms the portion of gripping.

The cooking bar is provided with the connector assembly, so that vibration and noise of the cooking bar are smaller when the cooking bar works; meanwhile, the holding part is formed on the outer side of the shell, so that a user can hold the shell conveniently during use, and the use experience of the user is improved.

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 one embodiment of the present utility model;

fig. 2 is a schematic structural view of a connector assembly according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic view illustrating a structure of a first connecting member according to an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating another angle of the first connecting member according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a connector assembly according to another embodiment of the present utility model;

fig. 7 is an exploded view of a connector assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

1-a motor;

2-machining a workpiece;

the novel anti-rotation device comprises a 3-connector assembly, a 31-first connecting piece, a 311-rotation stopping convex rib, a 3111-convex hull structure, a 312-limit boss, a 313-connecting body, a 314-annular groove, a 315-damping ring, a 3151-damping body, a 3152-extending part, a 316-step surface, a 32-second connecting piece and a 321-rotation stopping groove;

4-chassis, 41-grip.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

As shown in fig. 1 to 6, the present utility model provides a connector assembly 3 for a food processor, the food processor includes a motor 1 and a workpiece 2, the connector assembly 3 includes a first connector 31 connected with the workpiece 2 and a second connector 32 fixedly connected with an output end of the motor 1, the first connector 31 and the second connector 32 are detachably inserted and matched, a rotation stopping convex rib 311 is convexly arranged on a circumference of the first connector 31, a rotation stopping groove 321 matched with the rotation stopping convex rib 311 is arranged on the second connector 32, and a convex hull structure 3111 protruding towards a groove wall of the rotation stopping groove 321 is arranged on the rotation stopping convex rib 311.

According to the anti-rotation convex rib 311, the convex hull structure 3111 protruding towards the groove wall of the anti-rotation groove 321 is arranged on the anti-rotation convex rib 311, so that the gap between the anti-rotation convex rib 311 and the anti-rotation groove 321 is reduced, the gap between the first connecting piece 31 and the second connecting piece 32 is smaller when the connector rotates, and the situation that noise and vibration are generated when the food processor rotates due to the fact that the joint of the first connecting piece 31 and the second connecting piece 32 is too large in gap is avoided; meanwhile, compared with the prior art that the first connecting piece 31 and the second connecting piece 32 are wrapped through the flexible structure to avoid noise and vibration, the gap between the first connecting piece 31 and the second connecting piece 32 is reduced through the convex hull structure 3111, so that the contact area is smaller on one hand, the friction force between the first connecting piece 31 and the second connecting piece 32 is smaller, excessive interference is avoided, torque transmission can be guaranteed on the basis of reducing vibration, and on the other hand, the roommates of parts can be reduced, and the error of coaxiality generated in the assembly process is reduced.

Note that, the convex hull structure 3111 is not particularly limited in this application, and may be a columnar convex rib, a semicircular convex point, or the like, and preferably, the convex hull structure 3111 is a semicircular convex point.

As a preferred embodiment of the present application, as shown in fig. 2 and 3, the rotation stopping beads 311 extend in the axial direction of the first connection member 31, and the rotation stopping beads 311 are uniformly provided with a plurality of bumps in the axial direction.

By extending the rotation stopping convex rib 311 along the axial direction of the first connecting piece 31, the length of the rotation stopping convex rib 311 is increased, the transmission effect between the first connecting piece 31 and the second connecting piece 32 is further improved, and the transmitted torque is improved; through evenly arranging a plurality of bumps along the axial at the protruding muscle 311 that splines, further reduced the gap between protruding muscle 311 that splines and the groove 321 that splines, reduced the deflection volume between first connecting piece 31 and the second connecting piece 32, make the clearance between protruding muscle 311 that splines and the groove 321 that splines smaller, promoted the shock attenuation noise reduction's of connector assembly 3 effect.

Preferably, as shown in fig. 4, three bumps are provided from top to bottom.

As a preferred embodiment of the present application, as shown in fig. 4, a plurality of rotation stopping ribs 311 are provided along the circumferential direction of the first connecting member 31, and the protruding points are located on the front side surface of each rotation stopping rib 311 in the rotation direction.

Through with only changeing protruding muscle 311 and setting up a plurality of along first connecting piece 31 circumference, and the bump is located every and only changeing protruding muscle 311 along the leading flank of direction of rotation, with the bump setting in only changeing protruding muscle 311 along the leading flank of direction of rotation, when only changeing protruding muscle 311 rotatory, the bump with only changeing recess 321 butt, more directly reduced the clearance that only changeing protruding muscle 311 and only changeing between the recess 321, and then reduced the distance that only changeing between recess 321 and the protruding muscle 311 that only changeing, further avoid only changeing protruding muscle 311 and only changeing between the recess 321 the beat striking and produce noise and vibration's the condition when only changeing the protruding muscle 311 and only changeing, further promoted the noise reduction and the damping capacity of connector assembly 3.

As a preferable aspect in this embodiment, as shown in fig. 4, the axial length a of the bump and the axial distance C between adjacent bumps satisfy: C/A is more than or equal to 1 and less than or equal to 5.

Through setting the axial length A of the convex points and the axial distance C between the adjacent convex points to be 1-5, so that the convex points can be reasonably distributed on the rotation-stopping convex ribs 311, the quantity of the convex points can be increased, the increase of the length of the convex points caused by overlarge or undersize convex points is avoided, the contact area of the convex points and the rotation-stopping grooves 321 is increased, friction is increased, the excessive interference is caused, the friction area between the rotation-stopping grooves 321 and the convex points is reduced, vibration and noise are reduced, and torque transmission is ensured.

It should be noted that, the bump in the present application may also satisfy the bump height E of the bump and the radial length B of the bump satisfy: 1.ltoreq.E/B.ltoreq.3, as shown in FIGS. 4 and 5.

The protruding height E of the protruding point and the radial length B of the protruding point are set to be 1-3, so that the position distribution of the protruding point is more reasonable, the overlarge contact area between the protruding point and the rotation stopping groove 321 caused by overlarge protruding point is avoided, friction is increased, the excessive interference is further caused, the contact area between the rotation stopping groove 321 and the protruding point is reduced, meanwhile, the overlarge protruding point is avoided, the gap between the first connecting piece 31 and the second connecting piece 32 is reduced, vibration cannot be avoided, the protruding point works more reliably, and noise and vibration are further effectively avoided in the working process.

Preferably, the axial length A of the protruding points is 1mm, the axial distance C between the protruding points is 3mm, the radial length B of the protruding points is 1.2mm, and the protruding height E of the protruding points is 0.4mm.

As a preferred embodiment of the present application, as shown in fig. 2, an outer diameter of one end of the first connecting member 31 is enlarged to form a step surface 316 axially limited to the second connecting member 32, and the rotation stopping bead 311 extends axially along the first connecting member 31 to be connected to the step surface 316.

Through be provided with first connecting piece 31 with the spacing step face 316 of second connecting piece 32 axial, and the protruding muscle 311 that just ends changes sets up to extend to be connected with step face 316 along first connecting piece 31 axial, so that when first connecting piece 31 and second connecting piece 32 are joined in marriage, when first connecting piece 31 and second connecting piece 32's cooperation is put in place, step face 316 can provide a spacing for second connecting piece 32, and then can clear know whether the installation of first connecting piece 31 and second connecting piece 32 is put in place, avoid excessively installing the condition that causes the connector to damage, simultaneously, set up the protruding muscle 311 that ends changes to extend to be connected with step face 316 along first connecting piece 31 axial, namely the protruding muscle 311 that ends changes sets up in the position of being connected with second connecting piece 32 cooperation, on the one hand, the length that has increased protruding muscle 311 that ends, and then increased the setting up the mode of bump, so that the bump can carry out effectual vibration and noise reduction, on the other hand, can provide effectual spacing, and then make first connecting piece 31 and second connecting piece 32 more simple and convenient when assembling.

As a preferred embodiment of the present application, as shown in fig. 2, the first connecting member 31 includes a connecting body 313 and a limiting boss 312 located at a front end of the connecting body 313, the anti-rotation protruding rib 311 is located on the connecting body 313, an annular groove 314 is formed between the limiting boss 312 and the connecting body 313, a damping ring 315 is sleeved in the annular groove 314, and the damping ring 315 radially abuts against the second connecting member 32.

Through the cover establishes damping collar 315 in ring channel 314, and damping collar 315 cover radial butt in second connecting piece 32, when first connecting piece 31 is connected with second connecting piece 32, spacing boss 312 and the second connecting piece 32 butt of first connecting piece 31, damping collar 315 can offset the beat volume that the bump did not offset, and then produce friction and vibration's condition when effectively avoiding first connecting piece 31 and second connecting piece 32 butt more, the absorbing effect when the butt is first connecting piece 31 and second connecting piece 32 has been promoted, simultaneously, set up damping collar 315 in radial butt in second connecting piece 32, soft connection between first connecting piece 31 and the second connecting piece 32 has been realized, can play the effect of self-adaptation centering when the assembly, noise and vibration when the food processor is running have further been reduced.

In this application, the first connector 31 may be inserted into the second connector 32, or the second connector 32 may be inserted into the first connector 31, which is not limited herein.

It should be further noted that the structure of the damping ring 315 is not specifically limited, and may be one of the following embodiments:

embodiment one: as shown in fig. 3, the longitudinal cross section of the shock-absorbing ring 315 is elliptical.

Through setting up the longitudinal section of shock attenuation circle 315 to oval, on the one hand, the lateral wall of shock attenuation circle 315 is thinner to make can possess more cooperation volume with the connecting piece in the outside under the less circumstances of first connecting piece 31 and second connecting piece 32 cooperation diameter, and then play better shock attenuation effect, on the other hand, because the thickness of outside connecting piece is thinner, even the interference volume is great also still can satisfy normal assembly feel, promoted user's use experience.

Embodiment two: the damping ring 315 includes a damping body 3151 engaged in the annular groove 314 and an extension 3152 extending from the damping body 3151 to an end surface of the limit boss 312.

Through setting up damping collar 315 to including joint damping body 3151 in ring channel 314 and extend to the extension 3152 of spacing boss 312 terminal surface from damping body 3151 to with the omnidirectional isolation of first connecting piece 31 and second connecting piece 32, the condition that relative motion appears and then appears in the direct contact between first connecting piece 31 and the second connecting piece 32 when avoiding first connecting piece 31 and second connecting piece 32 to assemble, has further promoted damping collar 315's vibration isolation noise reduction's effect.

Further, the extension 3152 axially abuts the second connector 32.

Through with extension 3152 and second connecting piece 32 axial butt, and then keep apart through damping collar 315 with first connecting piece 31 and second connecting piece 32 axial position, further avoid first connecting piece 31 and second connecting piece 32 direct contact to produce relative displacement and lead to the condition that the food processor produced relative motion at during operation first connecting piece 31 and second connecting piece 32 and produced vibration and noise, further promoted damping collar 315 shock attenuation and noise reduction's effect.

The application also provides a cooking stick, as shown in fig. 1, including motor 1, machined part 2, connector assembly 3, and the casing 4 of encircleing at motor 1 periphery, the outside of casing 4 forms portion of gripping 41.

The cooking bar is provided with the connector assembly 3, so that vibration and noise of the cooking bar are smaller when the cooking bar works; meanwhile, the holding part 41 is formed on the outer side of the shell 4, so that the user can conveniently hold the shell during use, and the use experience of the user is improved.

The application still includes a cooking machine, its characterized in that, including motor 1, machined part 2, processing cup and connector assembly 3, motor 1 is located outside the processing cup, and machined part 2 sets up inside the processing cup, and the processing cup is equipped with the through-hole that supplies motor 1 and machined part 2 to connect to be applicable to the cooking machine occasion such as cut dish, cut meat and dough.

The connector assembly 3 is arranged on the food processor, so that the food processor can be more stable and has smaller noise during working, the condition that the food processor is used due to the influence of larger noise and vibration during working is avoided, and the use experience of a user is improved.

The technical solution protected by the present utility model is not limited to the above embodiments, and it should be noted that, the combination of the technical solution of any one embodiment with the technical solution of the other embodiment or embodiments is within the scope of the present utility model. While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. A connector assembly for food processor, food processor includes motor and machined part, connector assembly include with the first connecting piece that the machined part is connected and with motor output fixed connection's second connecting piece, first connecting piece with the separable grafting cooperation of second connecting piece, its characterized in that, the circumference of first connecting piece is protruding to be equipped with and to stop changeing protruding muscle, the second connecting piece be equipped with the protruding muscle complex that ends changes the recess, it is equipped with towards to end changeing protruding muscle the protruding convex hull structure of cell wall that ends changeing the recess.

2. The connector assembly for a food processor of claim 1, wherein said anti-rotation ribs extend axially of said first connector, said anti-rotation ribs being axially uniformly disposed with a plurality of said convex hull structures.

3. A connector assembly for a food processor according to claim 1 or 2, wherein a plurality of said anti-rotation ribs are provided circumferentially along said first connector, said convex hull structure being located on a front side of each said anti-rotation rib in a rotational direction.

4. The connector assembly for a food processor of claim 2, wherein the axial length a of the lobe formation and the axial spacing C between adjacent lobe formations satisfy: C/A is more than or equal to 1 and less than or equal to 5;

alternatively, the protrusion height E of the convex hull structure and the radial length B of the convex hull structure satisfy: E/B is more than or equal to 1 and less than or equal to 3.

5. The connector assembly for a food processor of claim 1, wherein an outer diameter of one end of the first connector is enlarged to form a stepped surface axially limited to the second connector, and the anti-rotation bead extends axially along the first connector to connect with the stepped surface.

6. The connector assembly of claim 1, wherein the first connector comprises a connector body and a limit boss at the front end of the connector body, the rotation-stopping ribs are located on the connector body, an annular groove is formed between the limit boss and the connector body, a damping ring is sleeved in the annular groove, and the damping ring radially abuts against the second connector.

7. The connector assembly for a food processor of claim 6 wherein said dampening collar is oval in longitudinal cross-section.

8. The connector assembly for a food processor of claim 6, wherein the shock absorbing collar includes a shock absorbing body that snaps into the annular groove and an extension that extends from the shock absorbing body to the limit boss end face.

9. The connector assembly for a food processor of claim 8, wherein said extension axially abuts said second connector.

10. A cuisine rod characterized by comprising a motor, a processing piece, the connector assembly of any one of claims 1-9 and a shell surrounding the periphery of the motor, wherein a holding part is formed on the outer side of the shell.

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