CN208551058U

CN208551058U - Screw rod, food preparation cup and food processor

Info

Publication number: CN208551058U
Application number: CN201721795033.5U
Authority: CN
Inventors: 刘云祥; 熊秋亮
Original assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd
Current assignee: Guangdong Midea Consumer Electric Manufacturing Co Ltd; Guangdong Midea Life Electric Manufacturing Co Ltd
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2019-03-01
Anticipated expiration: 2027-12-20

Abstract

The utility model provides a kind of screw rod, food preparation cup and food processor, food processor includes a connecting shaft, and screw rod includes: screw body, and installation cavity open at one end is provided on one end of screw body, driving hole closed at one end is provided on the bottom wall of installation cavity, driving hole is non-circular hole；Wherein, screw body can be drivingly connected by driving hole and connecting shaft, with being rotated by connecting shaft.The program substitutes screw shaft by driving hole, and screw rod not will receive the obstruction of sealed silicone when installing screw rod, quick and laborsaving.And driving hole is arranged to non-circular, the inner wall of driving hole and the side wall of connecting shaft are interfered, so that connecting shaft can not be freely rotated in driving hole, and then it just can be improved the connection reliability between driving hole and connecting shaft, so that connecting shaft can be reliably drivingly connected with screw rod, so that connecting shaft can reliably deliver torque to screw rod, and then drive screw turns.

Description

Screw rod, food preparation cup and food processor

Technical field

The utility model relates to household appliance technical fields, more specifically, are related at a kind of screw rod, food preparation cup and food Reason machine.

Background technique

Currently, the screw rod of Normal juice machine all includes screw body and screw shaft, such screw shaft just can connect with drivings such as motors It connects, to realize the driving to screw rod, but this kind of structure, when installing screw rod, screw shaft will pass through the cup body of food preparation cup Centre bore and motor axis connection, and the sealed silicone of sealing is provided in centre bore, therefore, in the process of installation screw rod In, screw shaft will pass through food preparation cup cup body center sealed silicone, and sealed silicone screw shaft can be generated it is larger Resistance, so that it is laborious to will lead to installation, so that installation feel is poor.Meanwhile this kind of screw rod, screw shaft need to cross spiral shell Bar center, therefore, screw rod need multiple machine-shaping, thus the overall processing that will lead to screw rod is at high cost.

Therefore, how to design it is a kind of it is at low cost, installation is simple, laborsaving and the installation preferable screw rod of feel becomes at present urgently Problem to be solved.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.

For this purpose, a purpose of the utility model is, a kind of screw rod is provided.

The further object of the utility model is, provides a kind of food preparation cup.

Another purpose of the utility model is, provides a kind of food processor including above-mentioned food preparation cup.

To achieve the above object, the embodiment of the utility model first aspect provides a kind of screw rod, is used for food preparation Machine, food processor include a connecting shaft, and screw rod includes: screw body, and installation open at one end is provided on one end of screw body Chamber is provided with driving hole closed at one end on the bottom wall of installation cavity, and driving hole is non-circular hole；Wherein, screw body can pass through Driving hole and connecting shaft are drivingly connected, with being rotated by connecting shaft.

The screw rod that embodiment according to the present utility model provides is used for food processor, which includes cup body The screw rod provided with the embodiments of the present invention, and by the way that driving hole closed at one end, i.e. blind hole are arranged in screw body, from And a connecting shaft can be directly inserted into driving hole, to realize the driving to screw rod, this kind of structure passes through setting driving hole, energy It is enough that screw shaft is substituted by driving hole, and then screw shaft can be canceled, in this way in specifically assembling food preparation cup, can first by Connecting shaft is mounted in the mounting hole of cup body, hereafter can be by food preparation then in the upper end that screw rod is mounted on to connecting shaft In cup integral installation to pedestal.This kind of mounting means, since screw rod and connecting shaft are split type structure, can first be connected The installation of spindle is then sequentially arranged in connecting shaft by sealed silicone, screw rod etc., therefore, in the installation process of screw rod, Screw rod not will receive the obstruction of sealed silicone etc., therefore, can smooth, quickly and effortlessly realize the assembling of food preparation cup, And then it can be improved installation experience.In addition, this kind of structure, due to eliminating the setting of screw shaft, thus can also simplify screw rod Structure in order to transport and store, and can reduce the processing cost of screw rod so that the volume of screw rod can be reduced, with Reduce the totle drilling cost of product.And by the way that driving hole is arranged to non-circular hole, and the position for cooperating connecting shaft and driving hole Shape is adapted with the shape of driving hole, and the inner wall of driving hole and the side wall of connecting shaft are interfered, so that Connecting shaft can not be freely rotated in driving hole, and then just can be improved the connection reliability between driving hole and connecting shaft, into And connecting shaft is reliably drivingly connected with screw rod, so that connecting shaft can reliably deliver torque to spiral shell Bar, and then drive screw turns.And by the way that the lower end of screw body to be arranged to hollow installation cavity, on the one hand it can will connect in this way Spindle being protruded into screw body as far as possible, thus connecting shaft can be driven with the position of screw body closer to the middle and upper part of screw rod Dynamic connection, so as to screw rod and the activation point of connecting shaft are arranged close to the center of gravity of screw rod, to just can ensure screw rod Stability after installation, and then can prevent screw rod from shaking during the work time, thus can reduce screw rod due to shaking with cup The friction that body occurs, so as to further decrease the abrasion of product.On the other hand pass through setting installation cavity, additionally it is possible in cup body One boss is set on bottom wall, to boss can be extend into installation cavity when installing screw rod, to realize the positioning to screw rod Installation, it is thus possible to improve the installation speed and installation convenience of screw rod.

Wherein it is preferred to which the height of screw body is H, the depth of installation cavity is h, wherein 1/3H≤h≤2/3H.This kind is set It sets so that connecting shaft can extend into the middle part of screw rod, it is thus possible to ensure the center of gravity of screw rod, and then can be further assured that screw rod Stability after installation.

In addition, also there is following additional technical feature according to the utility model screw rod provided by the above embodiment:

In the above-mentioned technical solutions, it is preferable that driving hole is slotted eye or polygonal hole；Wherein, connecting shaft and transmission The shape at position of hole cooperation is adapted with the shape of driving hole.Specifically, for example, quadrilateral hole or hexagonal hole, wherein excellent Selection of land, quadrilateral hole are positive square hole, and hexagonal hole is positive square hole.

In those technical solutions, by the way that driving hole is arranged to non-circular hole, specifically, for example ellipse may be designed to Hole or polygonal hole, so that the inner wall of driving hole can be interfered with the side wall of connecting shaft, so that connecting shaft It can not be freely rotated in driving hole, and then just can be improved the connection reliability between driving hole and connecting shaft, so that Connecting shaft can be reliably drivingly connected with screw rod, so that connecting shaft can reliably deliver torque to screw rod, in turn It drives screw turns.When driving hole is slotted eye, the long axis of slotted eye and the length of short axle are different, have same shape Connecting shaft when being placed in driving hole, connecting shaft can not rotate, and realize positioning；It is polygon when driving hole is polygonal hole Shape forms angle between adjacent side, and the apex angle of the connecting shaft with same shape can be connected in angle, realizes connection Clamping positioning of the axis in driving hole, further prevents connecting shaft to rotate in driving hole.

Wherein, driving hole is preferably arranged to slotted eye or quadrilateral hole or hexagonal hole because, slotted eye or Quadrilateral hole or hexagonal hole are the better simply non-circular hole of relatively common and structure, thus relatively good processing, so as to drop Low processing cost.

In any of the above-described technical solution, it is preferable that driving hole is polygonal hole, and connecting shaft is polygon shaft.

In those technical solutions, driving hole is preferably polygonal hole, and connecting shaft is preferably polygon shaft, because, it is polygon Shape hole is compared with for round hole and ellipse, and inner surface is that non-even surface namely its inner surface have wedge angle, it is thus possible to The matching area of driving hole and connecting shaft is increased, and then the connection that can be further increased between driving hole and connecting shaft is reliable Property.

Wherein, it is preferably clearance fit between driving hole and connecting shaft, is convenient for dismounting screw rod in this way, it is thus possible to Improve the disassembly convenience between screw rod and connecting shaft.

In any of the above-described technical solution, it is preferable that be provided with prepsetting gap S between driving hole and connecting shaft, wherein 0.02mm≤S≤0.2mm or S=0.1mm.

In those technical solutions, wherein prepsetting gap S be not easy it is excessive, otherwise can not can between connecting shaft and driving hole By driving torque, meanwhile, prepsetting gap S is also not easy too small, and tension is otherwise connected between connecting shaft and driving hole, will lead to screw rod It is not easy to assemble.

In any of the above-described technical solution, it is preferable that screw rod further include: the outer surface of screw body is arranged in wearing piece On, wearing piece is wrapped in screw body on the outer surface of one end of installation cavity or wearing piece is wrapped in the entire of screw body On outer surface；Reinforcer is arranged on the bottom wall of the installation cavity of screw body, and via hole is provided on reinforcer, and driving hole passes through Via hole is through reinforcer and extends in screw body；Wherein, the shape size of via hole and the shape size of driving hole are consistent.

In those technical solutions, by the way that wearing piece is arranged in screw body, by screw rod and it can be eaten by wearing piece The inner wall of the cup body of object processing cup is isolated from each other, so as to reduce the friction between screw rod and cup body, and then can be in screw rod When rotation, the abrasion of screw rod is reduced, to solve the problems, such as screw rod damage easy to wear.This kind of structure, on the one hand due to reducing spiral shell Abrasion when bar is intended for single use, therefore, after product long-time use, screw rod will not serious wear, because without because of screw rod Abrasion and reduce the performance of product, and then can ensure that still there is preferable performance after product long-time use.It is another Abrasion of the aspect due to reducing screw rod, the particle to fall off so as to reduce screw rod abrasion, and then screw rod can be prevented because of mill The food of particle contamination processing for damaging and falling off, damages consumer health, and then can ensure the clean hygiene of food.In addition, The outer surface of screw rod can also be protected by the way that wearing piece is arranged, screw rod be thus prevented during the work time, by food The pigment dyeing of itself, and then i.e. so that screw rod more easy cleaning, and the tidiness of screw rod after long-term use can be kept, and then i.e. It can ensure the aesthetics of screw rod and cooking machine for a long time.Wherein, specifically, at the squeezing cup and twin-screw food of vertical Normal juice machine For the crushing cup of reason machine, the gap between the upper end and cup body of screw rod is larger, thus the upper end of screw rod is not easy to occur with cup body Abrasion, and the gap between the lower end of screw rod and cup body is smaller, thus the lower end of screw rod is easily worn with cup body, therefore, Only wearing piece can be set on the lower end of screw rod, i.e., only wear more serious position in screw rod and wearing piece is set, just can in this way Enough reduce the area coverage of wearing piece, it is thus possible to which the structure for simplifying product reduces the cost of product.It certainly, can also be entire One layer of wearing piece is respectively provided on the outer surface of screw rod, so as to carry out omnibearing protection to screw rod.Meanwhile it can be in screw body Installation cavity bottom wall on a reinforcer is set, and simultaneously using driving hole run through reinforcer, also that is, in driving hole Around be provided with a circle reinforcer, this kind, which is arranged, can reinforce the strength of materials of driving hole surrounding, thus prevent driving hole because Intensity is insufficient and ruptures, and then can be improved the integral strength of screw rod, so that screw rod is durable.The shape size and biography of via hole The shape size in dynamic hole is consistent, this kind setting enables connecting shaft to be directly drivingly connected with reinforcer, it is thus possible to directly drive Dynamic reinforcer is rotated.

Wherein, it is provided with the first spiral bar in the side wall surface of screw body, wearing piece in the one side of wearing piece far from being provided with Second spiral bar.Specifically, the first spiral bar and the second spiral bar, which are used to squeeze, crushes and transmits food materials, and passes through setting Second spiral bar, so that screw rod is while improving wearability, additionally it is possible to squeeze and crush and transmit food materials, and then can ensure that Normal processing power of the screw rod to food materials.

In any of the above-described technical solution, it is preferable that wearing piece is wearing layer compatible with the outer surface of screw body, this Sample enables wearing piece to be tightly attached on the outer side surface of screw body, because of the structure original without change screw body, thus makes Obtaining screw body still can normally be handled food.

In any of the above-described technical solution, it is preferable that be provided with multiple location holes around via hole.

In those technical solutions, by via hole, connecting shaft is enabled to pass through reinforcer, to be connect with screw drive, And location hole navigates to screw body in processing for assistant reinforcement part, and screw body is thus prevented to occur to add in injection molding The case where strong part deviation, occurs.

Wherein it is preferred to which the quantity of location hole is multiple, and multiple location holes are symmetrically set on reinforcer.It should Kind setting can further prevent the positional shift of reinforcer, and reinforcer is enabled to be mounted on the interior of screw body strongerly Portion.

In any of the above-described technical solution, it is preferable that height L of the via hole on the axial direction of screw body is more than or equal to 2mm。

In those technical solutions, it is equal to by the way that height L of the via hole on the axial direction of screw body to be set greater than 2mm enables the length of fit of connecting shaft and reinforcer to be more than or equal to 2mm, it is thus possible to ensure reinforcer and connecting shaft Between length of fit, and then ensure the connection reliability between reinforcer and connecting shaft.

In any of the above-described technical solution, it is preferable that screw body is made of plastics or metal.

In those technical solutions, screw body can be set to metal, can be configured as plastics, and be arranged to metal , it can be improved the intensity of screw rod, but higher cost, and it is arranged to the cost that can reduce product of plastics, but intensity is slightly It is weaker.

In any of the above-described technical solution, it is preferable that wearing piece is made of metal or glass or ceramics；

In those technical solutions, wearing piece is preferably that the preferable metal of wearability, glass and ceramics etc. are made, because golden Category, glass and ceramics are relatively common, thus are easy to purchase, meanwhile, the hardness of metal, glass and ceramics is preferable, it is thus possible to really Protect the wear-resisting property of screw rod, wherein it is further preferred that wearing layer is made of stainless steel, glass, ceramics, aluminium or titanium alloy.

In any of the above-described technical solution, it is preferable that reinforcer is metalwork.

In those technical solutions, reinforcer is preferably that the relatively good metalwork of intensity is made, because so just can be true The intensity of driving hole is protected, and then the intensity of driving hole can be prevented insufficient.

In any of the above-described technical solution, it is preferable that wearing piece, reinforcer and screw body are an integral structure.

In those technical solutions, wearing piece, reinforcer and screw body are an integral structure, because what is be an integral structure Mechanical property is good, it is thus possible to ensure the bonding strength between wearing piece, reinforcer and screw body, in addition, raw convenient for batch It produces, to improve the production efficiency of product, reduces the production and processing cost of product.Certainly, wearing piece, reinforcer and screw body It can be split type structure, i.e. detachable structure.

In any of the above-described technical solution, it is preferable that be provided with spline structure on reinforcer, spline structure can be with screw rod Body cooperation, to prevent reinforcer from rotating in screw body relative to screw body.

In those technical solutions, spline structure is provided on reinforcer, spline structure can cooperate with screw body, realize The mutual insertion of reinforcer and screw body buckles, to prevent reinforcer opposite screw body in screw body from rotating, to will add Strong part is securely attached together with screw body, when connecting shaft drives reinforcer to rotate, screw body will with the two synchronous rotary, And then just screw rod can be delivered torque to by reinforcer, to realize the rotate driving to screw rod.

In the above-mentioned technical solutions, it is preferable that spline structure is the oval face being arranged in the side wall surface of reinforcer.

In those technical solutions, spline structure is the oval face being arranged in the side wall surface of reinforcer, just can in this way Buckle is mutually enough embedded in by the ellipsoid of reinforcer and screw body, plays the role of limiting reinforcer, thus in connecting shaft When driving reinforcer rotation, just it can be rotated using spline structure and the buckle of screw body come lead-screw body, Jin Erke Prevent reinforcer from rotating with respect to screw body, the more stable jail that just can will be installed between reinforcer and screw body in this way It leans on, and then just can deliver torque to screw rod by reinforcer, to realize the rotate driving to screw rod.

In any of the above-described technical solution, it is preferable that spline structure is that first be arranged in the side wall surface of reinforcer is stopped Turn protrusion and/or rotation stop notch.

In those technical solutions, spline structure can also be the first rotation stop protrusion being arranged in the side wall surface of reinforcer And/or rotation stop notch, so just can correspondingly setting and the convex corresponding notch of the first rotation stop in screw body, it is scarce with rotation stop The corresponding protrusion of mouth, by the cooperation of protrusion and notch, so that reinforcer is connected to the inside of screw body securely, it can It links together reinforcer and screw body are firm, thus prevents screw body to rotate relative to reinforcer, that is, ensure that screw rod The synchronous rotary of body and reinforcer, and then just screw rod can be delivered torque to by reinforcer, to realize the rotation to screw rod Driving.

In any of the above-described technical solution, it is preferable that spline structure is the second rotation stop being arranged on the end face of reinforcer Protrusion and/or rotation stop groove.

In those technical solutions, spline structure be the second rotation stop protrusion on the end face for can also be provided at reinforcer and/ Or rotation stop groove, so just can correspondingly in screw body setting with the convex corresponding groove of the second rotation stop, with rotation stop groove Corresponding protrusion, by the cooperation of protrusion and groove, realization reinforcer is fixedly connected with screw body, equally realizes torque Transmitting.

In any of the above-described technical solution, it is preferable that the spline structure of reinforcer and the matching area of screw body cooperation it Be more than or equal to 5cm²。

In those technical solutions, the area of all spline structures and screw body cooperation should be greater than being equal to 5cm², so It can ensure the transmission area between reinforcer and screw body, with the power for ensuring to transmit between reinforcer and screw body.

In any of the above-described technical solution, it is preferable that screw body is provided with first on the end face far from one end of installation cavity Location structure, and the centerline collineation of the center line of the first location structure and driving hole.

In those technical solutions, one first location structure can be set on the upper end of screw body, and in food preparation cup Cup lid on one second location structure is set, just can be carried out in this way by the both ends of connecting shaft and the second location structure to screw rod Positioning, and then can prevent screw rod from shaking during rotation, thus the mounting stability of screw rod can be improved.And in driving hole The centerline collineation of heart line and the first location structure, i.e. driving hole are aligned on the axial direction of screw body with the first location structure Setting.This kind is arranged so that the upper end positioning and lower end positioning of driving hole collinearly, so as to ensure the stability of screw rod, prevent Screw rod shakes during rotation.

In any of the above-described technical solution, it is preferable that the first location structure is locating slot or positioning protrusion.

In those technical solutions, one end of screw rod can be drivingly connected to connecting shaft, and by the end of the other end of screw rod Positioning protrusion or locating slot are set on face, while being correspondingly arranged a positioning groove or positioning protrusion on cup lid, thus can benefit The other end of screw rod is positioned with the cooperation of positioning protrusion and locating slot, so as to which the both ends to screw rod carry out simultaneously Positioning, and then can prevent screw rod deflection from wearing.

Wherein it is preferred to which the first location structure is locating slot, the second location structure is positioning protrusion.Because on screw rod Directly processing locating slot can be more convenient, it is thus possible to reduce the difficulty of processing of screw rod.

In any of the above-described technical solution, it is preferable that screw rod further include: protective case is arranged in locating slot, or is arranged peace On positioning protrusion.

In those technical solutions, a protective case, such as wear-resisting silica gel etc. can be set on the first location structure, this kind is set On the one hand a cushion space can be formed at the place of being located by connecting of cup lid and screw rod using protective case by setting, so as to make up spiral shell Installation error of the bar when installing positioning, and a buffering deformation space is provided for the play of screw rod at work.In addition, logical It crosses and wear-resisting silica gel is set can also prevent screw rod from directly contacting with cup lid, and then the abrasion between screw rod and cup lid can be reduced, with It is bad to ensure that screw rod will not be worn.Wherein, specifically, when the first location structure is positioning protrusion, protective case can directly be covered It is located on positioning protrusion, so as to positioning protrusion is protected, and when positioning protrusion is locating slot, it can be by protective case along locating slot Side wall and bottom wall be arranged one week, so as to protect the entire cell wall of locating slot.

In any of the above-described technical solution, it is preferable that screw body includes: inner core, is provided with installation cavity on one end of inner core, On the inner wall of installation cavity and one layer of encapsulation inner casing is provided on the end face of the open end of inner core；Outer core, it is remote that outer core is wrapped in inner core On the end face of one end from installation cavity and portion outboard surface, wearing piece is arranged on the other part outer surface of inner core, or Outer core is wrapped on the entire outer surface of inner core, and wearing piece is arranged on the outer surface of outer core；Wherein, reinforcer setting is being sealed It fills between inner casing and inner core.

In those technical solutions, preferably by screw body be arranged to include inner core and outer core structure, this kind setting, adding When work screw rod, outer core then can be molded by outside inner core by the molding mode of embedding and injection molding first by inner core injection molding, it should Kind setting can be improved the surface quality of screw body, it is thus possible to mention compared to by for the mode of screw body integrated injection molding The comprehensive performance of high screw body.And by being arranged in an encapsulation on the inner surface of outer core and on the end face of the open end of inner core Shell, so as to ensure the inner surface quality of screw body by encapsulation inner casing.Therefore, it in specific production and processing, can reduce The processing quality requirement of inner core, to reduce the cost of product.

Wherein, specifically, outer core can be wrapped on the entire outer surface of inner core, at this point, wearing piece may be provided at entirely On outer core, the lower part of outer core can also be positioned only at.Meanwhile outer core can also only be wrapped in the end face of the one end of inner core far from installation cavity And on portion outboard surface, i.e., outer core setting is protruded in the bottom of inner core, stretches out at this point, directly wearing piece can be arranged in inner core On the portion outboard surface of outer core.

Wherein it is preferred to outer core is wrapped on the end face and partial outer face of the one end of inner core far from installation cavity, it is wear-resisting Part is arranged on the other part outer surface of inner core, the lower end of the wearing piece and lower end surface of inner core is concordant or the lower end of wearing piece It is wrapped on at least partly lower end surface with inner core, i.e. under the lower end of wearing piece is wrapped on the part lower end surface of inner core or is entire On end face, i.e., wearing piece is set up on inner core from the bottommost of inner core；Or wearing piece is wrapped in the entire appearance of screw body On face.

Wherein, outer core is wrapped on the end face and portion outboard surface of the one end of inner core far from installation cavity, and wearing piece is set Set when on the other part outer surface of inner core, outer core far from being provided with the first spiral bar in the one side of inner core, inner core with it is resistance to It is provided with third spiral bar in the one side of mill part cooperation, is provided with the second spiral bar on wearing piece, the second spiral bar is covered on the On three spiral bars.

In any of the above-described technical solution, it is preferable that inner core is an integral structure with reinforcer or inner core with reinforcer is Split type structure.

In those technical solutions, inner core is preferably an integral structure with reinforcer, because of the mechanical property being an integral structure It can be good, it is thus possible to ensure the bonding strength between inner core and reinforcer, in addition, inner core and reinforcer can be also made into integration, Batch production, to improve the production efficiency of product, reduces the production and processing cost of product.Certainly, inner core can also be with reinforcer Split type structure, i.e. detachable structure.

Wherein it is preferred to inner core and reinforcer integrated injection molding, this kind setting can make between inner core and reinforcer Bonding strength is more preferable, and also can be avoided and form gap between inner core and reinforcer, can realize inner core and reinforcer it Between seamless connection, thus the cleaning of more conducively product.Meanwhile the processing is simple and cost for the processing method of integrated injection molding It is low, thus the manufacture processing cost of product can also be reduced.

In any of the above-described technical solution, it is preferable that inner core is an integral structure with outer core.Because of the power being an integral structure It is good to learn performance, it is thus possible to ensure the bonding strength between inner core and outer core, in addition, inner core and outer core can be also made into integration, Batch production, to improve the production efficiency of product, reduces the production and processing cost of product.

In any of the above-described technical solution, it is preferable that inner core is an integral structure with encapsulation inner casing.Because being an integral structure Mechanical property it is good, it is thus possible to ensure inner core and encapsulate inner casing between bonding strength, in addition, can also will inner core and encapsulation in Shell is made into integration, and batch production to improve the production efficiency of product, reduces the production and processing cost of product.

In any of the above-described technical solution, it is preferable that inner core and/or outer core are made of plastics.Inner core and/or outer core are preferred It is arranged to plastics, because can reduce the cost of product in this way.But inner core and/or outer core can be configured as metal, so as to It can be improved the intensity of screw rod.

In another technical solution, it is preferable that be provided with driving column on the bottom wall of installation cavity, driving hole is arranged in driving column On.

In those technical solutions, a driving column can also be set on installation cavity bottom wall, and driving hole setting is being driven On column, the driving to screw rod just can be realized by the drive connection of driving column and connecting shaft in this way, this kind setting is by setting Driving column is set, thus does not have to the direct providing holes class formation in screw body, it is thus possible to improve the intensity of screw rod.

In the above-mentioned technical solutions, it is preferable that one end of bottom wall of the driving column far from installation cavity is located in installation cavity, or passes One end of dynamic bottom wall of the column far from installation cavity reaches outside installation cavity.

It, can be by the shorter of driving column setting, so that driving column can be hidden in installation cavity in those technical solutions Interior, this kind setting can prevent the prominent screw body of driving column, and then when placing screw rod, can directly detain screw rod vertically and be placed on desktop On, and then can prevent screw rod from rolling everywhere on the table.Meanwhile can also by driving column be arranged it is longer, allow it to from The bottom wall of cup body stretches out, with the connection axis connection outside cup body, cup body, screw rod etc. can be assembled by this kind of structure when leaving the factory It is whole, in this way, just only needing for food preparation cup to be directly installed on pedestal, then by transmission shaft when user is specifically used It is set in one end in connecting shaft, this kind of mounting means, it is only necessary to which a step can be installed in place, it is thus possible to improve product Installation convenience.

The embodiment of the utility model second aspect provides a kind of food preparation cup, food processor is used for, at food Reason machine includes pedestal, and driving device is provided in pedestal, and driving device includes the first drive shaft, and food preparation cup includes: first Cup body, the first cup body it is open at one end and hollow, be provided with mounting hole on the bottom wall of the first cup body；Connecting shaft, the one of connecting shaft End is drivingly connected with the first drive shaft, and the other end of connecting shaft is extend into the first cup body by mounting hole；First aspect is any The screw rod that item embodiment provides, screw rod are mounted in the first cup body, and are extend into the first cup body by driving hole and connecting shaft One end connection；Cup lid can cover on the first cup body；Wherein, the first drive shaft is an integral structure or with connecting shaft One drive shaft and connecting shaft are split type structure.

The food preparation cup that embodiment according to the present utility model provides, the spiral shell provided with first aspect any embodiment Bar, therefore, the screw rod that also there is the food preparation cup that the embodiments of the present invention provide first aspect any embodiment to provide Whole beneficial effects.This is not listed one by one again.And the first drive shaft can be an integral structure with connecting shaft, can also be two In other words first drive shaft can directly be extend into the first cup body by independent axis, to drive screw rod to be rotated, A connecting shaft can be reconnected, in the first drive shaft to drive screw rod to be rotated.

In above-mentioned multiple technical solutions, it is preferable that food preparation cup further include: strainer, strainer are mounted on the first cup body It is interior, between the side wall and screw rod of the first cup body.In those technical solutions, food processor can be also arranged to one cup body The food processor of single screw rod a, at this point, strainer can be arranged again in the first cup body of food preparation cup, so that at food Reason cup can be used in single screw rod food processor, and the food processor of single screw rod is realized using the first cup body and the first screw rod Crushing to food materials, and after food materials crushing, it can realize that the juice slag of food is separated by strainer.

In above-mentioned multiple technical solutions, it is preferable that food preparation cup further include: sealing element is located in the first cup body, and It is set in connecting shaft, for sealing mounting hole.

In those technical solutions, a sealing element can be set between the end face or mounting hole and connecting shaft of mounting hole, To seal mounting hole, this kind setting enables connecting shaft to be tightly connected with mounting hole, so that the close of food preparation cup can be improved Feng Xing, and then can prevent the food juice of the first cup body from leaking.

Wherein it is preferred to sealing element is sealed silicone, it is close so as to ensure because of the good seal performance of sealed silicone Feng Xing, and sealed silicone is not easy to react with food juice, because without contaminated food juice, in addition, sealed silicone is relatively common, Thus it is easy to purchase, so as to reduce cost.

In above-mentioned multiple technical solutions, it is preferable that be provided with the second location structure on cup lid, the second location structure can Cooperate with the first location structure on screw rod, is positioned with one end to screw rod.

In above-mentioned multiple technical solutions, it is preferable that be provided with boss on the bottom wall of the first cup body, mounting hole is arranged convex On platform, boss be can extend into the installation cavity of screw rod, to carry out location and installation to screw rod.

In those technical solutions, the second location structure can be set on cup lid, carried out so as to one end to screw rod Positioning, and the other end of screw rod can be drivingly connected to connecting shaft, to can also be positioned under the action of connecting shaft, in this way Just it can be realized the both ends positioning to screw rod, and then screw rod deflection can be prevented.

Wherein it is preferred to which boss is formed from the bottom wall of the first cup body to the first cup body sunken inside.This kind is arranged so that boss Integral structure is capable of forming with the first cup body, it is thus possible to improve the intensity between protrusion and the first cup body.Meanwhile this kind is set It sets but also boss can be integrally formed with the first cup body, it is thus possible to reduce the processing cost of product.

In above-mentioned multiple technical solutions, it is preferable that food preparation cup further include: the second cup body is mounted on the first cup body On, and be connected with the first cup body；Pressurizing unit is mounted in the second cup body, enters second glass for squeezing from the first cup body Intracorporal food materials, so that the juice slag of food materials separates；Wherein, driving device further includes the second drive shaft, the second drive shaft and extruding Device connection, for driving pressurizing unit to rotate.

In those technical solutions, also settable second cup body and a pressurizing unit, so as to utilize second glass Body and pressurizing unit realize that spiral shell in pairs can be arranged to realize the juice slag separation of food materials in food processor by the extruding of food materials Bar food processor in this way can carry out the crushing of food materials and extruding in two cups respectively.Wherein, specifically, this kind The working principle of food preparation cup are as follows: after food materials enter in the first cup body, the first screw rod under the driving of the first drive shaft with The side wall of first cup body cooperates to crush food, and smashed food materials enter in extrusion cup under the action of the first screw rod, And pressurizing unit squeezes food materials under the driving of the second drive shaft, so that the juice slag of food materials separates.The technical solution is by food materials Crushing process and crowded juice tapping process separately carry out, and in crushing process, due to not needing to squeeze juice deslagging, first glass The setting components such as strainer and rotating brush are not had in vivo, so that first glass of intracorporal food materials can be in the first cup body and first It is crushed, while can be generally horizontally disposed by pressurizing unit in crowded juice tapping process, can will squeeze under the collective effect of screw rod Juice dreg removing system is arranged to horizontal, and so as to be highly convenient for separating the juice slag of food, on the one hand this kind setting can ensure to eat On the other hand the crushing juice rate of object processor can be avoided using components such as strainer, rotating brushes, so that food processor Structure is simple and is easily installed, simultaneously because eliminating strainer, it is thus possible to reduce the cleaning difficulty of user, and then be able to ascend User experience.

Wherein it is preferred to which driving device is motor, the first drive shaft and/or the second drive shaft are motor shaft.

In those technical solutions, preferably screw rod and/or pressurizing unit is driven to be rotated by motor, because of motor For driving device relatively common in food processor, thus it is easy to purchase, so as to reduce the cost of product.

The embodiment of the utility model third aspect provides a kind of food processor, which includes pedestal, Driving device is provided in pedestal, driving device includes the first drive shaft；The screw rod provided with any one of first aspect embodiment, Screw rod is connected to the food preparation cup of any one of the first drive shaft or second aspect embodiment offer, and food preparation cup can pacify On pedestal.

The food processor that embodiment according to the present utility model provides, the spiral shell provided with first aspect any embodiment The food preparation cup that bar or second aspect any embodiment provide, therefore, the food preparation that the embodiments of the present invention provide The whole beneficial effects for the screw rod that there is machine first aspect any embodiment to provide, or there is second aspect any embodiment to provide Food preparation cup whole beneficial effects, it is numerous to list herein.

In any of the above-described technical solution, it is preferable that food processor is Normal juice machine or juice extractor, certainly, food preparation Machine also can also be the other structures in addition to Normal juice machine and juice extractor, such as fruit juice mixer, wall-breaking machine etc..

Additional aspect and advantage according to the present utility model will provide in following description section, partially will be from following Become obvious in description, or is recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram for the screw rod that an embodiment according to the present utility model provides；

Fig. 2 is another structural schematic diagram for the screw rod that an embodiment according to the present utility model provides；

Fig. 3 is the another structural schematic diagram for the screw rod that an embodiment according to the present utility model provides；

Fig. 4 is the structural schematic diagram of the reinforcer for the screw rod that one embodiment according to the present utility model provides；

Fig. 5 is the structural schematic diagram of the reinforcer for the screw rod that second embodiment according to the present utility model provides；

Fig. 6 is another structural schematic diagram of the reinforcer for the screw rod that the embodiment in Fig. 5 provides；

Fig. 7 is the structural schematic diagram of the reinforcer for the screw rod that third embodiment according to the present utility model provides；

Fig. 8 is the structural schematic diagram of the reinforcer for the screw rod that the 4th embodiment according to the present utility model provides；

Fig. 9 is another structural schematic diagram of the reinforcer for the screw rod that the embodiment in Fig. 8 provides；

Figure 10 is the structural schematic diagram of the reinforcer for the screw rod that the 5th embodiment according to the present utility model provides；

Figure 11 is the structural schematic diagram of the reinforcer for the screw rod that the 6th embodiment according to the present utility model provides；

Figure 12 is the partial structural diagram for the food processor that an embodiment according to the present utility model provides；

Figure 13 is the structural schematic diagram for the food processor that an embodiment according to the present utility model provides.

Wherein, corresponding relationship of the Fig. 1 into Figure 13 between appended drawing reference and component names are as follows:

1 screw rod, 10 screw bodies, 102 inner cores, 1022 installation cavitys, 104 outer cores, 1,042 first spiral bars, 106 encapsulation inner casings, 12 driving holes, 14 wearing pieces, 142 second spiral bars, 16 locating slots, 18 reinforcers, 182 via holes, 184 location holes, 186 rotation stop knots Structure, 19 protective cases, 2 first cup bodies, 22 mounting holes, 3 connecting shafts, 4 cup lids, 5 strainers, 6 sealing elements, 7 pedestals, 72 first drivings Axis.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical It is novel to be implemented using other than the one described here mode, therefore, the protection scope of the utility model not by The limitation of following public specific embodiment.

Described referring to Fig. 1 to Figure 13 the screw rod 1 that embodiment according to the present utility model provides, food preparation cup and Food processor.

As shown in figure 1 to figure 13, the embodiment of the utility model first aspect provides a kind of screw rod 1, at food Reason machine, food processor include a connecting shaft 3, and screw rod 1 includes: screw body 10, is provided with one end on one end of screw body 10 and opens Mouthful installation cavity 1022, driving hole 12 closed at one end is provided on the bottom wall of installation cavity 1022, driving hole 12 is non-circular hole； Wherein, screw body 10 can be drivingly connected by driving hole 12 and connecting shaft 3, with being rotated by connecting shaft 3.

The screw rod 1 that embodiment according to the present utility model provides is used for food processor, which includes cup body The screw rod 1 provided with the embodiments of the present invention, and by the way that driving hole 12 closed at one end is arranged in screw body 10, i.e., it is blind Hole, so as to which a connecting shaft 3 to be directly inserted into driving hole 12, to realize the driving to screw rod 1, this kind of structure passes through setting Driving hole 12 can be substituted screw shaft by driving hole 12, and then can cancel screw shaft, in this way at specifically assembling food When managing cup, first connecting shaft 3 can be mounted in the mounting hole 22 of cup body, then in the upper end that screw rod 1 is mounted on to connecting shaft 3, It hereafter can will be in food preparation cup integral installation to pedestal 7.This kind of mounting means, since screw rod 1 and connecting shaft 3 are split type Therefore structure can first carry out the installation of connecting shaft 3, then be sequentially arranged in connecting shaft 3 by sealed silicone, screw rod 1 etc., Therefore, in the installation process of screw rod 1, screw rod 1 not will receive the obstruction of sealed silicone etc., therefore, being capable of smooth, quick and province It realizes to power the assembling of food preparation cup, and then can be improved installation experience.In addition, this kind of structure, due to eliminating screw shaft Setting, thus the structure of screw rod 1 can also be simplified, so that the volume of screw rod 1 can be reduced, in order to transport and store, It can reduce the processing cost of screw rod 1, again to reduce the totle drilling cost of product.And by the way that driving hole 12 is arranged to non-circular hole, And the shape at the position for cooperating connecting shaft 3 and driving hole 12 is adapted with the shape of driving hole 12, so that driving hole 12 is interior Wall can be interfered with the side wall of connecting shaft 3, so that connecting shaft 3 can not be freely rotated in driving hole 12, Jin Erbian It can be improved the connection reliability between driving hole 12 and connecting shaft 3, so that connecting shaft 3 can reliably drive with screw rod 1 Dynamic connection so that connecting shaft 3 can reliably deliver torque to screw rod 1, and then drives screw rod 1 to rotate.And pass through by The lower end of screw body 10 is arranged to hollow installation cavity, so on the one hand can be by the stretching into screw body 10 as far as possible of connecting shaft 3 Enter, thus connecting shaft 3 can be drivingly connected with the position of screw body 10 closer to the middle and upper part of screw rod 1, so as to will Screw rod 1 and the activation point of connecting shaft 3 are arranged close to the center of gravity of screw rod 1, to just can ensure the stabilization after the installation of screw rod 1 Property, and then can prevent screw rod 1 from shaking during the work time, thus screw rod 1 can be reduced and rubbed due to shaking with what cup body occurred It wipes, so as to further decrease the abrasion of product.On the other hand pass through setting installation cavity 1022, additionally it is possible on the bottom wall of cup body One boss is set, to can extend into boss in installation cavity 1022 when installing screw rod 1, to realize the positioning to screw rod 1 Installation, it is thus possible to improve the installation speed and installation convenience of screw rod 1.

Wherein it is preferred to which the height of screw body 10 is H, the depth of installation cavity 1022 is h, wherein 1/3H≤h≤2/3H. This kind is arranged so that connecting shaft 3 can extend into the middle part of screw rod 1, it is thus possible to ensure the center of gravity of screw rod 1, and then can be further Ensure the stability after screw rod 1 is installed.

In another embodiment, it is preferable that be provided with installation cavity 1022 open at one end on one end of screw body 10, install Driving column is provided on the bottom wall of chamber 1022, driving hole 12 is arranged on driving column.

In those embodiments, a driving column can also be set on 1022 bottom wall of installation cavity, and the setting of driving hole 12 is existed On driving column, the driving to screw rod 1, this kind setting just can be realized by the drive connection of driving column and connecting shaft 3 in this way By the way that driving column is arranged, thus the direct providing holes class formation in screw body 10 is not had to, it is thus possible to improve the intensity of screw rod 1.

In the above embodiment, it is preferable that one end of bottom wall of the driving column far from installation cavity 1022 is located at installation cavity 1022 One end of bottom wall of the interior or driving column far from installation cavity 1022 reaches outside installation cavity 1022.

It, can be by the shorter of driving column setting, so that driving column can be hidden in installation cavity in those embodiments In 1022, this kind setting can prevent the prominent screw body 10 of driving column, and then when placing screw rod 1, can directly detain screw rod 1 vertically It puts on the table, and then can prevent screw rod 1 from rolling everywhere on the table.Meanwhile can also by driving column be arranged it is longer so that It can be stretched out from the bottom wall of cup body, and to connect with the connecting shaft 3 outside cup body, this kind of structure when leaving the factory can be by cup body, screw rod 1 equal assembling is integral, in this way, just only needing to be directly installed on food preparation cup on pedestal 7 when user is specifically used, so Driving sleeve is located at one end in connecting shaft 3, this kind of mounting means afterwards, it is only necessary to a step can be installed in place, thus It can be improved the installation convenience of product.

In the above embodiment, it is preferable that driving hole 12 is slotted eye or polygonal hole；Wherein, connecting shaft 3 and transmission The shape at the position that hole 12 cooperates is adapted with the shape of driving hole 12.Specifically, for example, quadrilateral hole or hexagonal hole, In, it is preferable that quadrilateral hole is positive square hole, and hexagonal hole is positive square hole.

In those embodiments, by the way that driving hole 12 is arranged to non-circular hole, specifically, for example ellipse may be designed to Hole or polygonal hole, in this way so that the inner wall of driving hole 12 and the side wall of connecting shaft 3 interfere, so that even Spindle 3 can not be freely rotated in driving hole 12, and then the connection that just can be improved between driving hole 12 and connecting shaft 3 is reliable Property, so that connecting shaft 3 can be reliably drivingly connected with screw rod 1, so that connecting shaft 3 can reliably pass torque Screw rod 1 is passed, and then screw rod 1 is driven to rotate.When driving hole 12 is slotted eye, the long axis of slotted eye and the length of short axle Difference, when the connecting shaft 3 with same shape is placed in driving hole 12, connecting shaft 3 can not be rotated, and realize positioning；Work as biography When dynamic hole 12 is polygonal hole, polygon forms angle between adjacent side, and the apex angle of the connecting shaft 3 with same shape can It is connected in angle, realizes clamping positioning of the connecting shaft 3 in driving hole 12, further prevent connecting shaft 3 in driving hole 12 Interior rotation.

Wherein, driving hole 12 is preferably arranged to slotted eye or quadrilateral hole or hexagonal hole, because, slotted eye Or quadrilateral hole or hexagonal hole are the better simply non-circular hole of relatively common and structure, thus relatively good processing, so as to Reduce processing cost.

In any of the above-described embodiment, it is preferable that driving hole 12 is polygonal hole, and connecting shaft 3 is polygon shaft.

In those embodiments, driving hole 12 is preferably polygonal hole, and connecting shaft 3 is preferably polygon shaft, because, it is polygon Shape hole is compared with for round hole and ellipse, and inner surface is that non-even surface namely its inner surface have wedge angle, it is thus possible to The matching area of driving hole 12 and connecting shaft 3 is increased, and then the connection between driving hole 12 and connecting shaft 3 can be further increased Reliability.

It wherein, is preferably clearance fit between driving hole 12 and connecting shaft 3, in this way convenient for being dismounted to screw rod 1, thus It can be improved the disassembly convenience between screw rod 1 and connecting shaft 3.

In any of the above-described embodiment, it is preferable that be provided with prepsetting gap S between driving hole 12 and connecting shaft 3, wherein 0.02mm≤S≤0.2mm or S=0.1mm.

In those embodiments, between driving hole 12 and connecting shaft 3 be preferably clearance fit, in this way be convenient for screw rod 1 into Row dismounting, it is thus possible to improve the disassembly convenience between screw rod 1 and connecting shaft 3.Wherein, prepsetting gap S is not easy excessive, otherwise Between connecting shaft 3 and driving hole 12 can not reliable driving torque, meanwhile, prepsetting gap S be also not easy it is too small, otherwise connecting shaft 3 with Tension is connected between driving hole 12, it is not easy to assemble to will lead to screw rod 1.

In any of the above-described embodiment, it is preferable that as shown in Fig. 1 to 11, screw rod 1 further include: wearing piece 14 is arranged in spiral shell On the outer surface of the body of rod 10, wearing piece 14 is wrapped in end face and outside table of the screw body 10 close to one end of installation cavity 1022 On face or wearing piece 14 is wrapped on the entire outer surface of screw body 10；The installation cavity of screw body 10 is arranged in reinforcer 18 On 1022 bottom wall, via hole 182 is provided on reinforcer 18, driving hole 12 through reinforcer 18 and is extended to by via hole 182 In screw body 10；Wherein, the shape size of via hole 182 is consistent with the shape size of driving hole 12.

It, can be by wearing piece 14 by screw rod 1 by the way that wearing piece 14 is arranged in screw body 10 in those embodiments It is isolated from each other with the inner wall of the cup body of food preparation cup, so as to reduce the friction between screw rod 1 and cup body, and then can be When screw rod 1 rotates, the abrasion of screw rod 1 is reduced, to solve the problems, such as the damage easy to wear of screw rod 1.This kind of structure, on the one hand due to subtracting Lacked screw rod 1 be intended for single use when abrasion, therefore, after product long-time use, screw rod 1 will not serious wear, because without The performance of product is reduced because of the abrasion of screw rod 1, and then can ensure that still have after product long-time use preferably Performance.Abrasion of the another aspect due to reducing screw rod 1, the particle to fall off so as to reduce the abrasion of screw rod 1, and then can prevent The food for the particle contamination processing that only screw rod 1 falls off by abrasion, damages consumer health, and then can ensure the clean of food Health.In addition, can also protect to the outer surface of screw rod 1 by the way that wearing piece 14 is arranged, thus prevent screw rod 1 in work During work, by the pigment dyeing of food itself, and then i.e. so that the more easy cleaning of screw rod 1, and screw rod 1 can be kept to be used for a long time Tidiness afterwards, and then can ensure the aesthetics of screw rod 1 and cooking machine for a long time.Wherein, specifically, the squeezing of vertical Normal juice machine For the crushing cup of 1 food processor of juice cup and twin-screw, the gap between the upper end and cup body of screw rod 1 is larger, thus screw rod 1 Upper end be not easy to wear with cup body, and the gap between the lower end and cup body of screw rod 1 is smaller, thus the lower end pole of screw rod 1 It is easily worn with cup body, therefore, wearing piece 14 can be only set on the lower end of screw rod 1, i.e., only worn in screw rod 1 than more serious Position be arranged wearing piece 14, just can reduce the area coverage of wearing piece 14 in this way, it is thus possible to simplify product structure, drop The cost of low product.Certainly, one layer of wearing piece 14 can also be respectively provided on the outer surface of entire screw rod 1, so as to spiral shell Bar 1 carries out omnibearing protection.Meanwhile a reinforcer 18 can be set on the bottom wall of the installation cavity 1022 of screw body 10, and simultaneously Run through reinforcer 18 using driving hole 12, also that is, being provided with a circle reinforcer 18 around driving hole 12, this kind is set The strength of materials that can reinforce 12 surrounding of driving hole is set, thus prevents driving hole 12 to rupture because of intensity deficiency, and then can The integral strength for improving screw rod 1, so that screw rod 1 is durable.The shape size of via hole 182 and the shape size one of driving hole 12 It causes, this kind setting enables connecting shaft 3 to be directly drivingly connected with reinforcer 18, it is thus possible to directly drive the progress of reinforcer 18 Rotation.

Wherein, the first spiral bar 1042 is provided on the outer side surface of screw body 10, wearing piece 14 is far from wearing piece 14 The second spiral bar 142 is provided on one side.Specifically, the first spiral bar 1042 and the second spiral bar 142 are used to squeeze and crush And transmission food materials, and by the second spiral bar 142 of setting, so that screw rod 1 is while improving wearability, additionally it is possible to squeeze powder Broken and transmission food materials, and then can ensure that screw rod 1 to the normal processing power of food materials.

In any of the above-described embodiment, it is preferable that as shown in Figure 1 to Figure 3, wearing piece 14 is the outside table with screw body 10 The compatible wearing layer in face, so that wearing piece 14 can be tightly attached on the lateral wall wall surface of screw body 10, because without changing Become the original structure of screw body 10, so that screw body 10 still can normally be handled food.

In any of the above-described embodiment, it is preferable that as depicted in figs. 1 and 2, wearing piece 14 is the outside table with screw body 10 The compatible wearing layer in face, so that wearing piece 14 can be tightly attached on the outer surface of screw body 10, because without changing The original structure of screw body 10, so that screw body 10 still can normally be handled food.

In any of the above-described embodiment, it is preferable that be provided with multiple location holes 184 around via hole 182.

In those embodiments, by via hole, connecting shaft is enabled to pass through reinforcer, to be connect with screw drive, and Location hole 184 navigates to screw body 10 in processing for assistant reinforcement part 18, thus prevents screw body 10 in injection molding The case where Shi Fasheng 18 deviation of reinforcer, occurs.

Wherein it is preferred to which the quantity of location hole 184 is multiple, and multiple location holes 184 are symmetrical on reinforcer 18 Setting.The positional shift that can further prevent reinforcer 18 is arranged in this kind, and reinforcer 18 is installed strongerly In the inside of screw body 10.

In any of the above-described embodiment, it is preferable that as shown in figure 12, via hole 182 is on the axial direction of screw body 10 Height L is more than or equal to 2mm.

In those embodiments, by the way that height L of the via hole 182 on the axial direction of screw body 10 is set greater than In 2mm, connecting shaft 3 and the length of fit of reinforcer 18 is enabled to be more than or equal to 2mm, it is thus possible to ensure reinforcer 18 and connect Length of fit between spindle 3, and then ensure the connection reliability between reinforcer 18 and connecting shaft 3.

In any of the above-described embodiment, it is preferable that screw body 10 is made of plastics or metal.

In those embodiments, screw body 10 can be set to metal, can be configured as plastics, and be arranged to metal , it can be improved the intensity of screw rod 1, but higher cost, and it is arranged to the cost that can reduce product of plastics, but intensity is slightly It is weaker.

In any of the above-described embodiment, it is preferable that wearing piece 14 is made of metal or glass or ceramics；

In those embodiments, wearing piece 14 is preferably that the preferable metal of wearability, glass and ceramics etc. are made, because golden Category, glass and ceramics are relatively common, thus are easy to purchase, meanwhile, the hardness of metal, glass and ceramics is preferable, it is thus possible to really Protect the wear-resisting property of screw rod 1, wherein it is further preferred that wearing layer is made of stainless steel, glass, ceramics, aluminium or titanium alloy.

In any of the above-described embodiment, it is preferable that reinforcer 18 is metalwork.

In those embodiments, reinforcer 18 is preferably that the relatively good metalwork of intensity is made, because so just can be true The intensity of driving hole 12 is protected, and then the intensity of driving hole 12 can be prevented insufficient.

In any of the above-described embodiment, it is preferable that wearing piece 14, reinforcer 18 and screw body 10 are an integral structure.

In those embodiments, wearing piece 14, reinforcer 18 and screw body 10 are an integral structure, because of integral type knot The mechanical property of structure is good, it is thus possible to ensure the bonding strength between wearing piece 14, reinforcer 18 and screw body 10, in addition, Convenient for batch production, to improve the production efficiency of product, the production and processing cost of product is reduced.Certainly, wearing piece 14, reinforcer 18 and screw body 10 can also be split type structure, i.e. detachable structure.

In any of the above-described embodiment, it is preferable that the side wall surface of reinforcer 18 is non-circular geometric face.It so just can be by non- Rounded face contacts with each other with screw body 10, this kind setting can be buckled using non-circular geometric face and the mutually insertion of screw body 10, thus It, just can be using the buckle of non-circular geometric face and screw body 10 come lead-screw body 10 when connecting shaft 3 drives reinforcer 18 to rotate It is rotated, and then can prevent reinforcer 18 from rotating with respect to screw body 10, it so just can be by reinforcer 18 and screw body More stablizing for installing between 10 is firm, and then just can deliver torque to screw rod 1 by reinforcer 18, to realize to screw rod 1 rotate driving.

In any of the above-described embodiment, it is preferable that be provided with spline structure 186 on reinforcer 18, spline structure 186 can Cooperate with screw body 10, to prevent reinforcer 18 from rotating in screw body 10 relative to screw body 10.

In those embodiments, spline structure 186 is provided on reinforcer 18, spline structure 186 can be with screw body 10 Cooperation can link together reinforcer 18 and screw body 10 are firm, thus prevent screw body 10 with respect to reinforcer 18 Rotation, and then just screw rod 1 can be delivered torque to by reinforcer 18, to realize the rotate driving to screw rod 1.

In any of the above-described embodiment, it is preferable that as shown in figure 4, spline structure 186 is the side wall that reinforcer 18 is arranged in Oval face on face.

In those embodiments, spline structure 186 is the oval face being arranged in the side wall surface of reinforcer 18, so just It can be buckled by ellipsoid and the screw body 10 mutually insertion of reinforcer 18, play the role of limiting reinforcer 18, thus It, just can be using spline structure 186 and the buckle of screw body 10 come lead-screw body when connecting shaft 3 drives reinforcer 18 to rotate 10 are rotated, and then can prevent reinforcer 18 from rotating with respect to screw body 10, so just can be by reinforcer 18 and screw rod More stablizing for installing between body 10 is firm, and then just can deliver torque to screw rod 1 by reinforcer 18, to realize to spiral shell The rotate driving of bar 1.

In above-mentioned another technical solution, it is preferable that as shown in Figure 5 and Figure 6, spline structure 186 is to be arranged in reinforcer The first rotation stop protrusion and/or rotation stop notch in 18 side wall surface.

In those embodiments, spline structure 186 can also be that the first rotation stop for being arranged in the side wall surface of reinforcer 18 is convex Rise and/or rotation stop notch, so just can correspondingly in screw body 10 setting with the convex corresponding notch of the first rotation stop, with stop Turn the corresponding protrusion of notch, by the cooperation of protrusion and notch, so that reinforcer 18 is connected to screw body 10 securely Inside can link together reinforcer 18 and screw body 10 are firm, thus prevent screw body 10 with respect to reinforcer 18 Rotation, that is, ensure that the synchronous rotary of screw body 10 Yu reinforcer 18, and then just can deliver torque to by reinforcer 18 Screw rod 1, to realize the rotate driving to screw rod 1.

In above-mentioned another embodiment, it is preferable that as shown in figs. 7 to 11, spline structure 186 is to be arranged in reinforcer 18 End face on the second rotation stop protrusion and/or rotation stop groove.

In those embodiments, spline structure 186 is the second rotation stop protrusion that can also be provided on the end face of reinforcer 18 And/or rotation stop groove, so just can correspondingly in screw body 10 setting with the convex corresponding groove of the second rotation stop, with rotation stop The corresponding protrusion of groove, by the cooperation of protrusion and groove, realization reinforcer 18 is fixedly connected with screw body 10, same real The transmitting of torque is showed.

In any of the above-described embodiment, it is preferable that the mating surface that the spline structure 186 and screw body 10 of reinforcer 18 cooperate The sum of product is more than or equal to 5cm²。

In those embodiments, the area that all spline structures 186 cooperate with screw body 10 should be greater than being equal to 5cm², in this way It can ensure the transmission area between reinforcer 18 and screw body 10, with ensure to transmit between reinforcer 18 and screw body 10 Power.

In any of the above-described embodiment, it is preferable that as shown in Figure 1 to Figure 3, the one end of screw body 10 far from installation cavity 1022 End face on be provided with the first location structure, and the centerline collineation of the center line of the first location structure and driving hole 12.

In those embodiments, one first location structure can be set on the upper end of screw body 10, and in food preparation cup Cup lid 4 on one second location structure is set, so just can be by connecting shaft 3 and the second location structure to the both ends of screw rod 1 It is positioned, and then can prevent screw rod 1 from shaking during rotation, thus the mounting stability of screw rod 1 can be improved.And it is driven The centerline collineation of the center line in hole 12 and the first location structure, i.e. driving hole and the first location structure are in the axial direction side of screw body Alignment setting upwards.This kind is arranged so that the upper end positioning of driving hole 12 is conllinear with lower end positioning, so as to ensure screw rod 1 Stability prevents screw rod 1 from shaking during rotation.

In any of the above-described embodiment, it is preferable that as shown in Figure 1 to Figure 3, the first location structure is locating slot 16 or positioning Protrusion.

In those embodiments, one end of screw rod 1 can be drivingly connected to connecting shaft 3, and by the end of the other end of screw rod 1 Positioning protrusion or locating slot 16 are set on face, while being correspondingly arranged a positioning groove 16 or positioning protrusion on cup lid 4, thus i.e. The other end of screw rod 1 can be positioned using the cooperation of positioning protrusion and locating slot 16, so as to the both ends of screw rod 1 It carries out while positioning, and then can prevent 1 deflection of screw rod from wearing.

In any of the above-described embodiment, it is preferable that as shown in Figure 1 to Figure 3, the first location structure is locating slot 16, certainly First location structure can also be positioning protrusion.

In those embodiments, one end of screw rod 1 can be drivingly connected to connecting shaft 3, and by the end of the other end of screw rod 1 Positioning protrusion or locating slot 16 are set on face, while being correspondingly arranged a positioning groove 16 or positioning protrusion on cup lid 4, thus i.e. The other end of screw rod 1 can be positioned using the cooperation of positioning protrusion and locating slot 16, so as to the both ends of screw rod 1 It carries out while positioning, and then can prevent 11 deflection of screw rod from wearing.

Wherein it is preferred to which the first location structure is locating slot 16, the second location structure as shown in Fig. 1 to Fig. 3 and Figure 13 For positioning protrusion.Because directly processing locating slot 16 on screw rod 1 can be more convenient, it is thus possible to reduce adding for screw rod 1 Work difficulty.

In any of the above-described embodiment, it is preferable that screw rod 1 further include: protective case 19 is arranged in locating slot 16, or set If being mounted on positioning protrusion.

In those embodiments, protective case 19, such as wear-resisting silica gel etc. can be set on the first location structure, this kind is set On the one hand a cushion space can be formed at the place of being located by connecting of cup lid 4 and screw rod 1 using protective case 19 by setting, so as to more Installation error of the screw rod 1 when installing positioning is mended, and provides a buffering deformation space for the play of screw rod 1 at work. In addition, can also prevent screw rod 1 from directly contacting with cup lid 4 by the way that wear-resisting silica gel is arranged, so can reduce screw rod 1 and cup lid 4 it Between abrasion, to ensure that it is bad that screw rod 1 will not be worn.Wherein, specifically, it when the first location structure is positioning protrusion, can incite somebody to action Protective case 19 is directly set on positioning protrusion, so as to positioning protrusion is protected, and when positioning protrusion is locating slot 16, it can Side wall and bottom wall by protective case 19 along locating slot 16 are arranged one week, so as to protect the entire cell wall of locating slot 16.

In any of the above-described embodiment, it is preferable that screw body 10 includes: inner core 102, is provided on one end of inner core 102 Installation cavity 1022 is provided with one layer of encapsulation inner casing 106 on the inner wall of installation cavity 1022 and on the end face of the open end of inner core 102； Outer core 104, outer core 104 is wrapped on the end face and portion outboard surface of the one end of inner core 102 far from installation cavity 1022, wear-resisting Part 14 is arranged on the other part outer surface of inner core 102, or outer core 104 is wrapped on the entire outer surface of inner core 102, Wearing piece 14 is arranged on the outer surface of outer core 104；Wherein, reinforcer 18 setting encapsulation inner casing 106 and inner core 102 it Between.

In those embodiments, preferably by screw body 10 be arranged to include inner core 102 and outer core 104 structure, this kind set It sets, it, can be first by 102 injection molding of inner core, then by the molding mode of embedding and injection molding in inner core 102 when processing screw rod 1 It is molded by outer core 104 outside, this kind setting can be improved screw body 10 compared to by for the mode of 10 integrated injection molding of screw body Surface quality, it is thus possible to improve the comprehensive performance of screw body 10.And by the inner surface of outer core 104 and inner core 102 Open end end face on one encapsulation inner casing 106 of setting, so as to ensure the interior table of screw body 10 by encapsulation inner casing 106 Face quality.Therefore, in specific production and processing, the processing quality requirement of inner core 102 can be reduced, to reduce the cost of product.

Wherein, specifically, outer core 104 can be wrapped on the entire outer surface of inner core 102, at this point, wearing piece 14 can Setting can also be positioned only at the lower part of outer core 104 on entire outer core 104.Meanwhile outer core 104 can also only be wrapped in inner core 102 On the end face of one end far from installation cavity 1022 and portion outboard surface, i.e., the bottom of inner core 102 is protruded outer core 104 and is arranged, It is stretched out on the portion outboard surface of outer core 104 at this point, inner core 102 directly can be arranged in wearing piece 14.

Wherein it is preferred to which outer core 104 is wrapped in outside the end face and part of the one end of inner core 102 far from installation cavity 1022 On side surface, when wearing piece 14 is arranged on the other part outer surface of inner core 102, the lower end of wearing piece 14 and inner core 102 Lower end surface it is concordant, or as depicted in figs. 1 and 2, the lower end of wearing piece 14 is wrapped in at least partly lower end surface with inner core 102 On, i.e. the lower end of wearing piece 14 be wrapped on the part lower end surface of inner core 102 or entire lower end surface on, i.e. wearing piece 14 is from inner core 102 bottommost is set up on inner core 102.

Certainly, in other embodiments, wearing piece 14 can also be wrapped on the entire outer surface of screw body.

Wherein, outer core 104 is wrapped in the end face and portion outboard surface of the one end of inner core 102 far from installation cavity 1022 On, when wearing piece 14 is arranged on the other part outer surface of inner core 102, it is arranged in outer one side of the core 104 far from inner core 102 There is the first spiral bar 1042, is provided with third spiral bar in the one side that inner core 102 and wearing piece 14 cooperate, is arranged on wearing piece 14 There is the second spiral bar 142, the second spiral bar 142 is covered on third spiral bar.

In any of the above-described embodiment, it is preferable that inner core 102 be an integral structure with reinforcer 18 or inner core 102 with plus Strong part 18 is split type structure.

In those embodiments, inner core 102 is preferably an integral structure with reinforcer 18, because of the mechanics being an integral structure Performance is good, it is thus possible to ensure the bonding strength between inner core 102 and reinforcer 18, in addition, can also be by inner core 102 and reinforcer 18 are made into integration, and batch production to improve the production efficiency of product, reduces the production and processing cost of product.Certainly, inner core 102 It can also be split type structure, i.e. detachable structure with reinforcer 18.

Wherein it is preferred to inner core 102 and 18 integrated injection molding of reinforcer, this kind setting can make inner core 102 and reinforce Bonding strength between part 18 is more preferable, and also can be avoided and form gap between inner core 102 and reinforcer 18, can realize Seamless connection between inner core 102 and reinforcer 18, thus the cleaning of more conducively product.Meanwhile the processing of integrated injection molding The processing is simple and at low cost for mode, thus can also reduce the manufacture processing cost of product.

In any of the above-described embodiment, it is preferable that inner core 102 is an integral structure with outer core 104.Because being an integral structure Mechanical property it is good, it is thus possible to ensure the bonding strength between inner core 102 and outer core 104, in addition, can also by inner core 102 with Outer core 104 is made into integration, and batch production to improve the production efficiency of product, reduces the production and processing cost of product.

In any of the above-described embodiment, it is preferable that inner core 102 is an integral structure with encapsulation inner casing 106.Because of integral type The mechanical property of structure is good, it is thus possible to ensure inner core 102 and encapsulate inner casing 106 between bonding strength, in addition, can also will in Core 102 is made into integration with encapsulation inner casing 106, is produced in batches, to improve the production efficiency of product, reduce the production and processing of product at This.

In any of the above-described embodiment, it is preferable that inner core 102 and/or outer core 104 are preferably provided into plastics, because It can reduce the cost of product in this way.But inner core 102 and/or outer core 104 can be configured as metal, so as to improve screw rod 1 intensity.

As shown in Figure 12 and Figure 13, the embodiment of the utility model second aspect provides a kind of food preparation cup, is used for Food processor, food processor include pedestal 7, and driving device is provided in pedestal 7, and driving device includes the first drive shaft 72, food preparation cup includes: the first cup body 2, the first cup body 2 it is open at one end and hollow, be provided on the bottom wall of the first cup body 2 Mounting hole 22；Connecting shaft 3, one end of connecting shaft 3 and the first drive shaft 72 are drivingly connected, and the other end of connecting shaft 3 passes through installation Hole 22 is extend into the first cup body 2；The screw rod 1 that any one of first aspect embodiment provides, screw rod 1 are mounted in the first cup body 2, And it is connect by driving hole 12 with one end that connecting shaft 3 is extend into the first cup body 2；Cup lid 4 can be covered mounted in the first cup body 2 On；Wherein, the first drive shaft 72 is an integral structure with connecting shaft 3 or the first drive shaft 72 and connecting shaft 3 are split type knot Structure.

The food preparation cup that embodiment according to the present utility model provides, the spiral shell provided with first aspect any embodiment Bar 1, therefore, the screw rod that also there is the food preparation cup that the embodiments of the present invention provide first aspect any embodiment to provide 1 whole beneficial effects.This is not listed one by one again.And the first drive shaft 72 can be an integral structure with connecting shaft 3, it can also be such as Shown in Figure 12 and Figure 13, in other words directly drive shaft 72 can be extend into the first cup body 2 for two independent axis, with Driving screw rod 1 is rotated, and can also be as shown in Figure 12 and Figure 13, one connecting shaft 3 of reconnection in the first drive shaft 72, with Driving screw rod 1 is rotated.

In above-mentioned multiple embodiments, it is preferable that as shown in Figure 12 and Figure 13, food preparation cup further include: strainer 5, peace In the first cup body 2, between the side wall and screw rod 1 of the first cup body 2.

In those embodiments, food processor can be also arranged to the food processor of one cup body single screw rod 1, at this point, A strainer 5 can be set again in the first cup body 2 of food preparation cup, so that food preparation cup can be used in the food of single screw rod 1 Object processor, and crushing of the food processor of single screw rod 1 using the first cup body 2 and the realization of the first screw rod 1 to food materials, and After food materials crush, it can realize that the juice slag of food is separated by strainer 5.

In above-mentioned multiple embodiments, it is preferable that as shown in Figure 12 and Figure 13, food preparation cup further include: sealing element 6, It in the first cup body 2, and is set in connecting shaft 3, for sealing mounting hole 22.

In those embodiments, a sealing can be set between the end face or mounting hole 22 and connecting shaft 3 of mounting hole 22 Part 6, to seal mounting hole 22, this kind setting enables connecting shaft 3 to be tightly connected with mounting hole 22, to can be improved at food The leakproofness of cup is managed, and then can prevent the food juice of the first cup body 2 from leaking.

Wherein it is preferred to sealing element 6 is sealed silicone, it is close so as to ensure because of the good seal performance of sealed silicone Feng Xing, and sealed silicone is not easy to react with food juice, because without contaminated food juice, in addition, sealed silicone is relatively common, Thus it is easy to purchase, so as to reduce cost.

In above-mentioned multiple embodiments, it is preferable that as shown in figure 13, the second location structure is provided on cup lid 4, second is fixed Bit architecture can cooperate with the first location structure on screw rod 1, be positioned with one end to screw rod 1.

In above-mentioned multiple embodiments, it is preferable that as shown in figure 13, be provided with boss on the bottom wall of the first cup body 2, install Hole 22 is arranged on boss, and boss can extend into the installation cavity 1022 of screw rod 1, to carry out location and installation to screw rod 1.

In those embodiments, the second location structure can be set on cup lid 4, carried out so as to one end to screw rod 1 Positioning, and the other end of screw rod 1 can be drivingly connected to connecting shaft 3, thus can also be positioned under the action of connecting shaft 3, It just can be realized the both ends positioning to screw rod 1 in this way, and then 1 deflection of screw rod can be prevented.

Wherein it is preferred to which boss is formed from the bottom wall of the first cup body 2 to 2 sunken inside of the first cup body.This kind is arranged so that convex Platform and the first cup body 2 are capable of forming integral structure, it is thus possible to improve the intensity between protrusion and the first cup body 2.Meanwhile it should Kind is arranged but also boss can be integrally formed with the first cup body 2, it is thus possible to reduce the processing cost of product.

In above-mentioned multiple embodiments, it is preferable that food preparation cup further include: the second cup body is mounted on the first cup body 2 On, and be connected with the first cup body 2；Pressurizing unit is mounted in the second cup body, enters second for squeezing from the first cup body 2 The intracorporal food materials of cup, so that the juice slag of food materials separates；Wherein, driving device further includes the second drive shaft, the second drive shaft and is squeezed Pressure device connection, for driving pressurizing unit to rotate.

In those embodiments, also settable second cup body and a pressurizing unit, so as to utilize the second cup body The extruding of food materials is realized with pressurizing unit, and to realize the juice slag separation of food materials, food processor can be arranged to twin-screw 1 Food processor in this way can carry out the crushing of food materials and extruding in two cups respectively.Wherein, specifically, this kind is eaten The working principle of object processing cup are as follows: after food materials enter in the first cup body 2, the first screw rod 1 is under the driving of the first drive shaft 72 Cooperate with the side wall of the first cup body 2 to crush food, smashed food materials enter extrusion cup under the action of the first screw rod 1 It is interior, and pressurizing unit squeezes food materials under the driving of the second drive shaft, so that the juice slag of food materials separates.The embodiment is by food materials Crushing process and crowded juice tapping process separately carry out, and in crushing process, due to not needing to squeeze juice deslagging, first glass Do not have to the setting components such as strainer 5 and rotating brush in body 2 so that the food materials in the first cup body 2 can the first cup body 2 with It is crushed under the collective effect of first screw rod 1, while can be generally horizontally disposed by pressurizing unit in crowded juice tapping process Crowded juice dreg removing system is arranged to horizontal, so as to be highly convenient for separating the juice slag of food, this kind setting on the one hand can be true The crushing juice rate for protecting food processor, on the other hand can be avoided using components such as strainer 5, rotating brushes, so that at food The structure of reason machine is simple and is easily installed, simultaneously because eliminating strainer 5, it is thus possible to reduce the cleaning difficulty of user, in turn It is able to ascend user experience.

Wherein it is preferred to which driving device is motor, the first drive shaft 72 and/or the second drive shaft are motor shaft.

In those embodiments, preferably screw rod 1 and/or pressurizing unit is driven to be rotated by motor, because of motor For driving device relatively common in food processor, thus it is easy to purchase, so as to reduce the cost of product.

As shown in Figure 12 and Figure 13, the embodiment of the utility model third aspect provides a kind of food processor, the food Object processor includes pedestal 7, and driving device is provided in pedestal 7, and driving device includes the first drive shaft；It is any with first aspect The screw rod that item embodiment provides, screw rod are connected to the food preparation of any one of the first drive shaft 7 or second aspect embodiment offer Cup, food preparation cup can be mounted on pedestal 7.

In any of the above-described embodiment, it is preferable that food processor is Normal juice machine or juice extractor, certainly, food processor Also the other structures in addition to Normal juice machine and juice extractor, such as fruit juice mixer, wall-breaking machine etc. be can also be.

In the description of this specification, the orientation or positional relationship of the instructions such as term " on ", "lower" is based on shown in attached drawing Orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as practical new to this The limitation of type；Term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, It may be a detachable connection, or be integrally connected；It can be directly connected, it can also be indirectly connected through an intermediary.It is right For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims

1. a kind of screw rod, is used for food processor, the food processor includes a connecting shaft, which is characterized in that the screw rod Include:

Screw body is provided with installation cavity open at one end on one end of the screw body, is provided on the bottom wall of the installation cavity Driving hole closed at one end, the driving hole are non-circular hole；

Wherein, the screw body can be drivingly connected by the driving hole and the connecting shaft, in the drive of the connecting shaft Dynamic lower rotation.

2. screw rod according to claim 1, which is characterized in that

The driving hole is slotted eye or polygonal hole；

Wherein, the shape at the position that the connecting shaft cooperates with the driving hole is adapted with the shape of the driving hole.

3. screw rod according to claim 1, which is characterized in that

The driving hole is polygonal hole, and the connecting shaft is polygon shaft；And/or

Prepsetting gap S is provided between the driving hole and the connecting shaft, wherein 0.02mm≤S≤0.2mm or S= 0.1mm。

4. screw rod according to claim 1, which is characterized in that the screw rod further include:

Wearing piece is arranged on the outer surface of the screw body, and the wearing piece is wrapped in the screw body close to the peace On the outer surface of the one end behaveing affectedly or the wearing piece is wrapped on the entire outer surface of the screw body；

Reinforcer is arranged on the bottom wall of the installation cavity of the screw body, and via hole, the biography are provided on the reinforcer Dynamic hole through the reinforcer and is extended in the screw body by the via hole；

Wherein, the shape size of the via hole is consistent with the shape size of the driving hole.

5. screw rod according to claim 4, which is characterized in that

Height L of the via hole on the axial direction of the screw body is more than or equal to 2mm；And/or

The screw body is made of plastics or metal；And/or

The wearing piece is made of metal or glass or ceramics；And/or

The reinforcer is metalwork；And/or

The wearing piece, the reinforcer and the screw body are an integral structure.

6. screw rod according to claim 4, which is characterized in that

Spline structure is provided on the reinforcer, the spline structure can cooperate with the screw body, to prevent described add Strong part rotates in the screw body relative to the screw body.

7. screw rod according to claim 6, which is characterized in that

The spline structure is the oval face being arranged in the side wall surface of the reinforcer；And/or

The spline structure is the first rotation stop protrusion being arranged in the side wall surface of the reinforcer and/or rotation stop notch；And/or

The spline structure is the second rotation stop protrusion being arranged on the end face of the reinforcer and/or rotation stop groove；And/or

The sum of the spline structure of the reinforcer and the matching area of screw body cooperation are more than or equal to 5cm²。

8. screw rod according to any one of claim 1 to 7, which is characterized in that the screw body is far from the installation cavity One end end face on be provided with the first location structure, and the center of the center line of first location structure and the driving hole Line is conllinear.

9. screw rod according to claim 8, which is characterized in that

First location structure is locating slot or positioning protrusion.

10. screw rod according to claim 9, which is characterized in that further include:

Protective case is arranged in the locating slot, or is arranged and is mounted on the positioning protrusion.

11. screw rod according to claim 4, which is characterized in that the screw body includes:

Inner core, is provided with the installation cavity on one end of the inner core, on the inner wall of the installation cavity and the opening of the inner core One layer of encapsulation inner casing is provided on the end face at end；

Outer core, outer core are wrapped on the end face and portion outboard surface of the one end of the inner core far from the installation cavity, The wearing piece is arranged on the other part outer surface of the inner core or outer core is wrapped in the entire outer of the inner core On surface, the wearing piece is arranged on the outer surface of outer core；

Wherein, the reinforcer is arranged between the encapsulation inner casing and the inner core.

12. screw rod according to claim 11, which is characterized in that

The inner core is an integral structure with the reinforcer or the inner core and the reinforcer are split type structure；And/or

The inner core is an integral structure with outer core；And/or

The inner core is an integral structure with the encapsulation inner casing；And/or

The inner core and/or outer core are made of plastics.

13. a kind of food preparation cup is used for food processor, the food processor includes pedestal, is provided in the pedestal Driving device, the driving device include the first drive shaft, which is characterized in that the food preparation cup includes:

First cup body, first cup body it is open at one end and hollow, be provided with mounting hole on the bottom wall of first cup body；

Connecting shaft, one end of the connecting shaft and first drive shaft are drivingly connected, and the other end of the connecting shaft passes through institute Mounting hole is stated to extend into first cup body；

Screw rod as described in any one of claims 1 to 12, the screw rod are mounted in first cup body, and by described Driving hole extend into described first glass of intracorporal one end with the connecting shaft and connect；

Cup lid can cover on first cup body；

Wherein, first drive shaft is an integral structure or first drive shaft and the connecting shaft with the connecting shaft For split type structure.

14. food preparation cup according to claim 13, which is characterized in that further include:

Strainer is mounted in first cup body, between the side wall and the screw rod of first cup body；And/or

Sealing element is located in first cup body, and is set in the connecting shaft, for sealing the mounting hole.

15. food preparation cup according to claim 13, which is characterized in that

The second location structure is provided on the cup lid, second location structure can be positioned with first on the screw rod and be tied Structure cooperation, is positioned with one end to the screw rod.

16. food preparation cup according to claim 13, which is characterized in that further include:

Second cup body is mounted on first cup body, and is connected with first cup body；

Pressurizing unit is mounted in second cup body, is entered in second cup body for squeezing from first cup body Food materials so that the juice slag of food materials separates；

Wherein, the driving device further includes the second drive shaft, and second drive shaft is connect with the pressurizing unit, for driving Move the pressurizing unit rotation.

17. a kind of food processor characterized by comprising

Pedestal, driving device is provided in the pedestal, and the driving device includes the first drive shaft；With

Screw rod as described in any one of claims 1 to 12, the screw rod are connected to first drive shaft, or as right is wanted Food preparation cup described in asking any one of 13 to 16, the food preparation cup can be mounted on the base.