CN109938580B

CN109938580B - Screw, food processing cup and food processor

Info

Publication number: CN109938580B
Application number: CN201711387655.9A
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
Priority date: 2017-12-20
Filing date: 2017-12-20
Publication date: 2021-11-12
Anticipated expiration: 2037-12-20
Also published as: CN109938580A

Abstract

The invention provides a screw, a food processing cup and a food processor, wherein the screw comprises: one end of the screw rod body is provided with a transmission hole with one closed end; the wear-resistant part is arranged on the outer surface of the screw rod body, one surface of the wear-resistant part, which is far away from the screw rod body, is provided with a matching spiral rib, and the height of the matching spiral rib in the radial direction of the screw rod body is more than 0mm and less than or equal to 3 mm; at least one main spiral rib is arranged on the outer side wall surface of the screw rod body, the main spiral rib extends spirally from the end surface of one end, far away from the transmission hole, of the screw rod body to the other end of the screw rod body, and the orthographic projection height of the main spiral rib in the axial direction of the screw rod body is more than or equal to half of the height of the screw rod body. The scheme can replace a screw shaft through a transmission hole to drive the screw, so that the screw structure is simplified. The wear-resistant part can reduce the wear of the screw and prevent the screw from falling slag or being dyed. And the height of the matched spiral rib is set to be 0-3 mm, so that the extrusion effect of the screw on food materials is ensured, and the strength of the screw is also ensured.

Description

Screw, food processing cup and food processor

Technical Field

The invention relates to the field of household appliances, in particular to a screw, a food processing cup and a food processor.

Background

At present, the screw rod of stock machine is made by plastics more, and the screw rod is at the course of the work, need extrude the edible material with the cup of squeezing the juice together, especially the lower extreme of screw rod and the clearance between the cup of squeezing the juice of food processor are less, therefore, the lower extreme wearing and tearing of screw rod are very serious, thereby can influence the life of screw rod, and simultaneously, the screw rod wearing and tearing can drop some granules, and these granules that drop can pollute the food of processing, harm user's health, the in-process of screw rod processing food in addition, the pigment of food itself can dye the screw rod, thereby can lead to the difficult washing of screw rod, reduce the aesthetic property of screw rod.

Therefore, how to design a screw rod which is wear-resistant, clean to use, free of pollution to food and low in cost becomes a problem to be solved urgently at present.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

To this end, it is an object of the present invention to provide a screw.

It is a further object of the present invention to provide a food processing cup.

Another object of the present invention is to provide a food processor comprising the above food processing cup.

To achieve the above object, an embodiment of a first aspect of the present invention provides a screw for a food processor, specifically, the screw comprising: the transmission mechanism comprises a screw rod body, wherein one end of the screw rod body is provided with a transmission hole with one closed end; the wear-resistant part is arranged on the outer surface of the screw rod body, one surface of the wear-resistant part, which is far away from the screw rod body, is provided with a matching spiral rib, and the height of the matching spiral rib in the radial direction of the screw rod body is more than 0mm and less than or equal to 3 mm; the outer side wall surface of the screw rod body is provided with at least one main spiral rib, the main spiral rib extends spirally from the end surface of one end, far away from the transmission hole, of the screw rod body to the other end of the screw rod body, and the main spiral rib is arranged at the half height of the screw rod body, which is larger than or equal to the height of the screw rod body in the axial orthographic projection height of the screw rod body.

According to the screw rod provided by the embodiment of the invention, the food processor comprises the cup body and the screw rod provided by the embodiment of the invention, and the wear-resistant part is arranged on the screw rod body, so that the screw rod and the inner wall of the cup body of the food processing cup can be mutually separated through the wear-resistant part, the friction between the screw rod and the cup body can be reduced, the wear of the screw rod can be reduced when the screw rod rotates, and the problem that the screw rod is easy to wear and damage can be solved. According to the structure, on one hand, the abrasion of the screw rod during single use is reduced, so that after the product is used for a long time, the screw rod cannot be abraded seriously, the performance of the product cannot be reduced due to the abrasion of the screw rod, and the product can still have better performance after being used for a long time. On the other hand, the abrasion of the screw is reduced, so that particles falling off due to the abrasion of the screw can be reduced, the situation that processed food is polluted by the particles falling off due to the abrasion of the screw can be prevented, the health of consumers is damaged, and the cleanness and the sanitation of the food can be ensured. In addition, can also protect the surface of screw rod through setting up the wearing parts to can prevent that the screw rod from being dyed by the pigment of food itself at the course of the work, and then make the screw rod change and wash, can keep the clean and tidy degree of screw rod after long-term the use again, and then can ensure the aesthetic property of screw rod and cooking machine for a long time. And through set up cooperation spiral muscle on wearing parts for wearing parts also can carry out corresponding processing to eating the material when protecting the screw rod, therefore can ensure the screw rod to eating the treatment effect of material, and then can improve juice rate. And cooperation spiral muscle is greater than 0mm less than or equal to 3mm at the ascending high L of the radial direction of the screw rod body, can make the height of cooperation spiral muscle on the wearing parts be unlikely to too high like this, therefore install to the cup at the screw rod after, make the passageway that holds edible material that forms between the lateral wall of wearing parts and cup be unlikely to too big, therefore make wearing parts can handle edible material better with the cup together, in order to ensure the treatment effect of wearing parts to edible material, furthermore, this kind of highly still makes wearing parts's structure more reasonable on the one hand, therefore better processing, on the other hand also makes wearing parts's intensity better, therefore still can prevent wearing parts damage, and then make the product more durable, also can prolong the life of product, in order to improve the utilization ratio of product. And through set up one end confined transmission hole on the screw rod body, blind hole promptly to can be with a connecting axle disect insertion transmission downthehole, in order to realize the drive to the screw rod, and through setting up the transmission hole, can replace the screw rod axle through the transmission hole, and then can cancel the screw rod axle, when cup is handled to concrete equipment food like this, can install the connecting axle in the mounting hole of cup earlier, then install the upper end at the connecting axle with the screw rod, alright handle cup monolithic mount on the base with food afterwards. This kind of mounting means, because screw rod and connecting axle are split type structure, consequently, can carry out the installation of connecting axle earlier, then install sealing silica gel, screw rod etc. on the connecting axle in proper order, consequently, in the installation of screw rod, the screw rod can not receive the hindrance of sealing silica gel etc. consequently, can realize food processing cup's equipment smoothly, fast and laborsavingly, and then can improve the installation and experience. In addition, the structure of the screw can be simplified because the screw shaft is not arranged, thereby not only reducing the volume of the screw to be convenient for transportation and storage, but also reducing the processing cost of the screw to reduce the total cost of products.

Wherein, through setting up main spiral muscle, make the screw body can fully pulverize eating the material, and main spiral muscle is from the terminal surface of the one end of the screw body of keeping away from the transmission hole, start spiral downwardly extending from the up end of the screw body promptly, and the spiral muscle of a lot of screw bodies does not begin from the up end, but the middle part from the screw body begins spiral downwardly extending, and this kind of setting, can be on the basis of ordinary screw body, the part that exceeds ordinary spiral muscle through main spiral muscle forms the cutting part, therefore this kind of screw body can utilize the cutting part of main spiral muscle to carry out preliminary cutting processing to eating the material earlier, then handle such as carrying out the extrusion, therefore can improve the screw body and eat the treatment effect of material. Wherein, specifically, main spiral muscle is preferred to begin the spiral from the up end of screw body and extends down to the middle part or the lower part of screw body, makes main spiral muscle like this longer, therefore is convenient for the screw to handle and carry the edible material.

Preferably, the screw rod body is provided with at least one auxiliary spiral rib on the outer side wall surface, and the upper end surface of the auxiliary spiral rib is lower than the upper end surface of the main spiral rib, wherein the auxiliary spiral rib can extend downwards from any height position of the body part, and the length of the auxiliary spiral rib can be set optionally. And the processing capacity of the body part to the food materials can be further enhanced by arranging the auxiliary spiral ribs, so that the processing effect of the screw on the food materials is improved.

Wherein, the upper end of vice spiral muscle is most advanced shape, and this kind of setting makes the material guided into from the passageway that main spiral muscle formed, at the in-process that slides down along the passageway, is cut by the most advanced portion of vice spiral muscle to make the material leading-in smoothly, cut and grind, avoid the material to block up on the screw rod.

In addition, the screw provided according to the above embodiment of the present invention has the following additional technical features:

in above-mentioned technical scheme, preferably, be provided with one end open-ended installation cavity on the bottom of the screw body, the transmission hole sets up on the diapire of installation cavity.

In these technical scheme, can set the lower extreme of the screw body to hollow installation cavity, thereby just can be more close to the top setting of the screw body with the transmission hole, when utilizing the cooperation of connecting axle and transmission hole to drive screw and rotate like this, can stretch into the connecting axle as far as possible to the screw body, therefore the connecting axle can drive with the position that the screw body is more close to the well upper portion of screw and be connected, just so can be close to the focus setting of screw with the drive position of screw and connecting axle, thereby just can ensure the stability after the screw installation, and then can prevent that the screw from rocking at the course of the work, therefore can reduce the screw because of rocking the friction that takes place with the cup promptly, thereby can further reduce the wearing and tearing of product. On the other hand sets the lower extreme with the screw rod body to cavity, can also set up a boss on the diapire of the cup of food processor to when the installation screw rod, can stretch into the boss in the lower extreme of the screw rod body, in order to realize the location installation to the screw rod, therefore can improve the installation rate and the installation convenience of screw rod. In addition, the lower end of the screw rod body is arranged to be hollow, so that the screw rod can be vertically and stably placed on a desktop or a cooking bench and the like, and the situation that the screw rod rolls on the desktop or the cooking bench and the like can be prevented.

Preferably, the height of the screw rod body is H, the depth of the installation cavity is H, and H is not less than 1/3H and not more than 2/3H. The connecting shaft can extend into the middle of the screw rod when the screw rod is driven to rotate by matching the connecting shaft with the transmission hole, so that the center of gravity of the screw rod can be ensured, and the stability of the screw rod after installation can be further ensured.

In any one of the above technical solutions, preferably, the wear-resistant member is an annular wear-resistant member, and the annular wear-resistant member is sleeved on the screw rod body.

In the technical schemes, the wear-resistant part can be preferably arranged into the annular wear-resistant part, because on one hand, the annular wear-resistant part can be directly sleeved on the outer surface of the screw rod body, the installation is convenient, and the time and the labor are saved; on the other hand, the annular wear-resisting part can reach and carry out 360 all-round protections to the screw body to can improve the protective effect of wear-resisting part to the screw body.

In any one of the above technical solutions, preferably, the number of the spiral ribs is multiple, the upper end surfaces of the spiral ribs are located on a reference plane, and the reference plane is parallel to a surface of the annular wear-resistant member near the top of the screw rod body.

In these technical scheme, a plurality of cooperation spiral muscle set up on the surface of annular wearing parts with the heliciform for the screw rod can also extrude when improving the wearability and smash and transport and eat the material, and then can ensure the normal throughput of screw rod to eating the material. And the one side that a plurality of cooperation spiral muscle are close to the top of the screw rod body all is located a reference plane, that is to say that the up end parallel and level of a plurality of cooperation spiral muscle promptly, and this kind of setting is when the casing of the upper end of outer core is processed out through the technology of moulding plastics for the mould can closely laminate with the up end of cooperation spiral muscle, thereby can prevent that the liquid of moulding plastics from exposing.

In any of the above technical solutions, preferably, a preset height W is provided between the reference plane and a surface of the annular wear-resistant member near the top of the screw rod body, where W is greater than or equal to 1 mm.

In these technical scheme, be provided with between the one side that reference plane and annular wear member are close to the top of the screw body and predetermine height W, guarantee that cooperation spiral muscle can not surpass the terminal surface of annular wear member, and then guarantee the level and smooth of faying face when first shell and second shell injection moulding. Wherein, W is too small, which may affect injection molding; w is too large, so that the length of the matched spiral rib is reduced, and the extrusion, crushing and transmission of food materials are weakened.

In any of the above technical solutions, preferably, the annular wear resistant member and the plurality of mating spiral ribs are of an integral structure. Annular wearing parts and a plurality of cooperation spiral muscle formula structure as an organic whole for annular wearing parts's intensity is high, is difficult to damage, and manufacturing is more convenient.

In any of the above technical solutions, preferably, the screw body includes: the wear-resistant part comprises an inner core, wherein one end of the inner core is provided with a hollow cavity with an opening at one end, and an annular wear-resistant part is sleeved outside the outer surface of the inner core; the outer core comprises an encapsulation bottom shell and a filling shell, the encapsulation bottom shell is attached to the end face of one end, close to the hollow cavity, of the inner core, the shape of the encapsulation bottom shell is matched with the shape of the end face of one end, close to the hollow cavity, of the inner core, and the filling shell is arranged between the annular wear-resistant part and the inner core; wherein, be provided with the first gluey hole of advancing that runs through the inner core between the face of inner core and the face of packing casing laminating and the face of inner core and the laminating of encapsulation drain pan, first advance to glue downthehole being provided with first spliced pole, the both ends of first spliced pole are connected with encapsulation drain pan and packing casing respectively.

Among these technical scheme, the screw rod includes the inner core and sets up the outer core on the surface of inner core, just so can fall into two-layer inside and outside with the screw rod, therefore can process the inner core earlier, then the outer core isotructure is processed out at the surface of inner core, specifically, for example, can be earlier with inner core injection moulding, then the outer core of moulding out outside the inner core through inlaying injection moulding's mode, this kind of setting is compared with the integrative injection moulding's of screw rod mode, can improve the surface quality of screw rod, therefore can improve the comprehensive properties of screw rod, this kind of setting has still reduced the processing degree of difficulty of screw rod simultaneously, and then reduced manufacturing cost. In addition, different materials can be selected according to actual needs to process different inner cores and outer cores by the aid of the arrangement, so that the screw can be suitable for different occasions, and various requirements of users can be met. And through the annular wear-resisting piece of cover establishing on the outside surface of inner core, can utilize annular wear-resisting piece to strengthen the wear-resisting ability of screw rod on the one hand to can reduce the wearing and tearing of screw rod when the screw rod rotates, with the screw rod of ensureing to have better performance after the product is used for a long time. On the other hand, the abrasion of the screw is reduced, so that particles falling off due to the abrasion of the screw can be reduced, the situation that processed food is polluted by the particles falling off due to the abrasion of the screw can be prevented, the health of consumers is damaged, and the cleanness and the sanitation of the food can be ensured. On the other hand can also protect the surface of screw rod through setting up the wearing parts to can prevent that the screw rod from being dyed by the pigment of food itself at the course of the work, and then make the screw rod change and wash, can keep the clean and tidy degree of screw rod after long-term the use again, and then can ensure the aesthetic property of screw rod and cooking machine for a long time. And through setting up first gluey hole and first connecting post of advancing for the encapsulation drain pan on the lower terminal surface of inner core can pass the inner core and pack the packing casing between inner core and annular wearing parts and link into an organic whole, thereby can strengthen the joint strength between the outer core on the one hand, and on the other hand, the encapsulation drain pan links into an organic whole through first connecting post with the packing casing, still can be with the integrative injection moulding of encapsulation drain pan and packing casing, thereby can reduce the manufacturing cost of product, improves production efficiency. Specifically, for example, the inner core may be processed first, then the annular wear-resistant member is sleeved outside the inner core, and finally the encapsulation bottom case and the filling shell may be integrally injection-molded on the inner core by means of insert injection molding.

In any of the above technical solutions, preferably, the filling shell, the first connecting column and the bottom packaging shell are of an integrated structure; or the filling shell, the first connecting column and the packaging bottom shell are integrally formed by injection molding.

Among these technical scheme, pack the preferred integral type structure of casing, first connecting column and encapsulation drain pan, because the mechanical properties of integral type structure is good, therefore can strengthen the joint strength who packs between casing and the encapsulation drain pan to also can be with the tighter of inner core parcel, thereby can prevent inner core and outer core dislocation. Wherein, preferably, pack the integrative injection moulding of casing, first connecting column and encapsulation drain pan, can reduce the processing degree of difficulty like this on the one hand, improve machining efficiency, on the other hand owing to pack casing injection moulding, therefore can also utilize and pack the casing and be connected annular wearing parts and inner core automatically, therefore can realize the installation of annular wearing parts simply conveniently.

In any of the above technical solutions, preferably, the inner side wall surface of the annular wear-resistant member is provided with a spiral groove.

In these technical scheme, can set up the helicla flute on the inside wall face of annular wearing parts to when filling the casing of moulding plastics, the liquid of moulding plastics can flow in the helicla flute and the shaping becomes the packing muscle, just so can strengthen the joint strength who fills between casing and the annular wearing parts through filling the muscle, so that the installation of annular wearing parts is more firm.

In any of the above technical solutions, preferably, the inner side wall of the annular wear-resistant part is recessed outward of the annular wear-resistant part to form a spiral groove on the inner side wall surface of the annular wear-resistant part and form a mating spiral rib on the outer side wall surface of the annular wear-resistant part.

Among these technical scheme, preferably through the sunken mode in the interior lateral wall face of annular wearing parts forms the helicla flute, form cooperation spiral muscle on the outside wall face of annular wearing parts, can make annular wearing parts better processing like this on the one hand, therefore can reduce cost, improve machining efficiency, the thickness of annular wearing parts can also be reduced in this kind of setting of on the other hand to make the annular wearing parts can process thinner, therefore can reduce the material cost of annular wearing parts.

Preferably, the number of the spiral grooves is one or more, and the number of the matching spiral ribs is one or more.

In these technical schemes, the number of the spiral groove and the matching spiral rib can be one or more, and specifically, can be selected according to actual needs.

In any of the above technical solutions, preferably, the first glue inlet hole is disposed corresponding to the spiral groove, or the number of the first glue inlet holes is multiple, and each spiral groove is correspondingly provided with 1 to 5 first glue inlet holes.

In these technical scheme, first advance gluey hole and correspond the helicla flute setting for pack the casing and when processing of moulding plastics, the liquid of moulding plastics can flow more easily to the helicla flute in, thereby can prevent that the liquid of moulding plastics is not enough in the helicla flute the condition emergence. And first advance the quantity of gluey hole and be a plurality of, and each the helicla flute correspondence is provided with 1 to 5 first advance gluey hole can further ensure to fill the casing and when the processing of moulding plastics, the liquid of moulding plastics can flow to the helicla flute more easily in to the liquid of moulding plastics can fully fill up the space of helicla flute, and then can ensure to fill the quality and the density after the casing shaping.

In any of the above technical solutions, preferably, one end of the filling casing close to the encapsulation bottom case is connected to the encapsulation bottom case, and one end of the filling casing far from the encapsulation bottom case is covered on one end of the inner core far from the hollow cavity.

In these technical schemes, the one end that fills the casing and is close to the encapsulation drain pan is connected with the encapsulation drain pan, and the other end cover is established on the inner core is kept away from one end of installation cavity to including making to fill the casing and the encapsulation drain pan encapsulates the inner core completely, and then avoid eating the juice of extruding of material and pollute the inner core, make the emergence of the circumstances such as inner core go mildy.

In any of the above technical solutions, preferably, the filling casing is disposed on an outer surface of one end of the inner core close to the hollow cavity, and one end of the filling casing close to the encapsulation bottom case is connected to the encapsulation bottom case; the outer core further includes: the packaging shell is attached to the outer side surface of one end, away from the hollow cavity, of the inner core and the end surface of one end, away from the hollow cavity, of the inner core; and a second glue inlet hole penetrating through the inner core is formed between the surface attached to the inner core and the packaging bottom shell and the surface attached to the inner core and the packaging shell, a second connecting column is arranged in the second glue inlet hole, and two ends of the second connecting column are respectively connected with the packaging shell and the packaging bottom shell.

In these technical scheme, can set up the second on the inner core, between the face of inner core and encapsulation drain pan contact and the face of inner core and encapsulation shell contact and advance gluey mouth, processing through the mode of moulding plastics like this, just can be with the integrative injection moulding of encapsulation shell and encapsulation drain pan. This kind of structure advances gluey hole through setting up first advancing and/or the second and makes the internal surface and the surface of inner core switch on, consequently, can be with the encapsulation drain pan with fill the casing and/or the integrative injection moulding of encapsulation drain pan and filling casing to can improve the machining efficiency of outer core when reducing the processing degree of difficulty of outer core.

In any of the above solutions, preferably, the main spiral rib is provided on an outer surface of the outer core.

In any of the above technical solutions, preferably, the package housing, the second connection column and the package bottom case are of an integrated structure, or the package housing, the second connection column and the package bottom case are integrally injection molded.

In these technical schemes, encapsulation shell, second spliced pole and encapsulation drain pan formula structure as an organic whole, and preferably integrative injection moulding, encapsulation drain pan and encapsulation shell and second spliced pole preferably formula structure, and preferably integrative injection moulding. Because the processing technology of the product can be reduced and the connection among the components of the screw rod can be firmer.

In any one of the above technical solutions, preferably, one of the annular wear-resistant member and the filling shell is provided with a first limiting groove, and the other one of the annular wear-resistant member and the filling shell is provided with a first limiting protrusion capable of being matched with the first limiting groove.

Among these technical scheme, be provided with first spacing groove on the inner wall of annular wearing part, it is provided with first spacing arch to correspond first spacing groove on the filling shell, first spacing arch can insert first spacing inslot, play the spacing effect to annular wearing part, make annular wearing part firmly fix on the screw rod, food processor is in the course of the work, annular wearing part is under the squeezing action of external force, be unlikely to drop from the screw rod, and then guarantee food processor's normal work. Wherein, preferably, first spacing groove can be a plurality of with first spacing bellying quantity, further guarantees the fastness that annular wear-resisting piece and screw rod are connected. First spacing arch can with screw rod formula structure as an organic whole, improved first spacing bellied intensity, spacing arch is difficult to the rupture.

In any of the above technical solutions, preferably, one of the inner core and the package outer shell is provided with a second limiting groove, and the other of the inner core and the package outer shell is provided with a second limiting protrusion capable of being matched with the second limiting groove.

In these technical schemes, can set up the spacing arch of second spacing groove and second between inner core and encapsulation shell to can fix a position inner core and encapsulation shell through the spacing bellied cooperation of second spacing groove and second, simultaneously, the spacing bellied cooperation of second spacing groove and second still can strengthen the joint strength between inner core and the encapsulation shell.

In any of the above technical solutions, preferably, one end of the inner core close to the bottom casing of the package is further provided with one or more limiting posts.

In these technical scheme, can be provided with one or more spacing posts on the bottom of inner core to can carry out spacingly through spacing post to the encapsulation drain pan.

In any of the above technical solutions, preferably, a circle of elongated ribs is disposed on an inner edge of an upper end surface of the annular wear-resistant member, and the elongated ribs are located between the package housing and the inner core.

Among these technical scheme, can set up round extension protruding muscle on the inward flange of the up end of annular wearing parts, because after encapsulation shell injection moulding, the expend with heat and contract with cold of plastics can lead to encapsulation shell upwards to shrink, consequently, can upwards shrink the back at encapsulation shell through setting up extension protruding muscle for encapsulation shell can be through extension protruding muscle and wearing parts folding coincidence in the axial, and then can not form the gap at the junction of encapsulation shell and wearing parts, therefore can make the quality after the product machine-shaping better.

In any of the above technical solutions, preferably, a positioning groove or a positioning protrusion is provided on one end of the screw body away from the installation cavity.

In these technical schemes, can be with the one end drive of the screw body be connected to the connecting axle, and set up a location arch or constant head tank on the terminal surface of the other end of the screw body, correspond to set up a constant head tank or location arch on covering simultaneously to can utilize the protruding cooperation with the constant head tank of location to fix a position the other end of the screw body, so that can fix a position simultaneously the both ends of the screw body, and then can prevent the screw body skew wearing and tearing.

Wherein, preferentially, the screw rod body is kept away from one of transmission hole and is served and be provided with the constant head tank, and at this moment, can set up a location arch on covering, this kind of setting is owing to directly process out the constant head tank on the screw rod body and can make things convenient for some more, therefore can reduce the processing degree of difficulty of the screw rod body.

In any of the above technical solutions, preferably, the screw further includes: the protective sleeve is arranged in the positioning groove or sleeved on the positioning bulge.

In these technical scheme, can set up a protective sheath in the constant head tank, for example wear-resisting silica gel etc. this kind of setting can utilize the protective sheath to form a buffering space in the location junction of upper cover and screw rod on the one hand to can compensate the installation error of screw rod when the installation location, and provide a buffering deformation space for the drunkenness of screw rod during operation. In addition, can also prevent screw rod and upper cover direct contact through setting up wear-resisting silica gel, and then can reduce the wearing and tearing between screw rod and the upper cover to ensure that the screw rod can not worn and torn badly. Wherein, specifically, when setting up for the location protruding on the screw rod, can directly overlap the protective sheath and establish on the location is protruding to can protect the location protruding, and when setting up for the constant head tank on the screw rod, can set up a week with the protective sheath along the lateral wall and the diapire of constant head tank, so that can protect the whole cell wall of constant head tank.

In any of the above technical solutions, preferably, the screw further includes: the reinforcing part is arranged in the screw rod body, a through hole is formed in the reinforcing part, the through hole and the transmission hole are coaxial and are mutually communicated, and the shape and the size of the through hole are matched with those of the transmission hole.

Among these technical scheme, can set up a reinforcement in the diapire of well cavity and depressed part to utilize the transmission hole to run through the reinforcement simultaneously, this kind of structure has set up the round reinforcement promptly around the transmission hole, thereby can strengthen transmission hole material intensity all around, thereby can prevent that the transmission hole from breaking because of intensity is not enough, and then can improve the bulk strength of screw rod, so that screw rod durable. Wherein, be provided with the via hole on the reinforcement, and the via hole just switches on with the transmission hole is coaxial and each other for the connecting axle can just smooth pass the reinforcement and switch on with the transmission hole on the inner core, and the shape size of via hole and the mutual adaptation of transmission hole shape size make the via hole can with the mutual adaptation connection of connecting axle, therefore make the reinforcement also can be used for the transmission of moment of torsion, therefore can improve the transmission reliability between screw rod and the connecting axle.

In any of the above technical solutions, preferably, the reinforcement is provided with a plurality of positioning holes.

In these technical schemes, the locating hole is used for assisting the reinforcement to fix a position the screw rod when processing to can prevent the screw rod from taking place the condition emergence of reinforcement off normal when injection moulding.

In any of the above solutions, preferably, the side wall surface of the reinforcement is a non-circular surface. The reinforcing part is provided with a non-circular surface, the non-circular surface is provided with a buckle, the buckle is embedded into the screw rod, the reinforcing part is provided with a plurality of reinforcing parts, the reinforcing parts are arranged on the non-circular surface, the non-circular surface is provided with a plurality of buckles, the plurality of buckles are arranged on the non-circular surface, the plurality of buckles are embedded into the plurality of buckles, and the plurality of buckles.

In any of the above technical solutions, preferably, the side wall surface of the reinforcement is an elliptical surface, so that the elliptical surface of the reinforcement and the screw can be embedded into each other to realize torque transmission.

In another technical solution, preferably, the reinforcing member is provided with a rotation stopping structure, and the rotation stopping structure includes a groove, a protrusion, and a notch.

In these technical schemes, a plurality of notches and/or a plurality of protrusions and/or a plurality of grooves can be arranged on the reinforcing member, so that a matching structure matched with the notches, the protrusions and/or the grooves can be correspondingly arranged in the screw rod, and the reinforcing member and the screw rod can be firmly connected together through the matching between the matching structure and the notches, and/or the protrusions and/or the grooves, so that the screw rod can be prevented from rotating relative to the reinforcing member, and further, the torque can be transmitted to the screw rod through the reinforcing member, and the rotation driving of the screw rod can be realized.

In any of the above technical solutions, preferably, a sum of fitting areas of the rotation stopping structure of the reinforcing member and the screw is greater than or equal to 5cm²。

In the technical schemes, the matching area of all the rotation stopping structures and the screw rod is more than or equal to 5cm²So that the transmission area between the reinforcing member and the screw can be ensured to ensureThe torque transmitted between the reinforcing element and the screw is kept sufficiently large.

In any one of the above technical solutions, preferably, the transmission hole is a non-circular hole, and a shape of a portion where the connecting shaft is matched with the transmission hole is adapted to a shape of the transmission hole.

In these technical schemes, through setting the transmission hole to non-circular for the inner wall in transmission hole can interfere with the lateral wall of connecting axle each other, and then makes the connecting axle can't the free rotation in the transmission hole, and then just can improve the reliability of being connected between transmission hole and the connecting axle, and then makes the connecting axle can be connected with the reliable drive of screw rod, and then makes the connecting axle can transmit the moment of torsion for the screw rod reliably, and then the drive screw rod rotates.

In any of the above technical solutions, preferably, the height of the via hole in the axial direction of the screw is greater than or equal to 2 mm.

In these technical scheme, through setting the height of via hole on the axial direction of screw rod to more than or equal to 2mm for the connecting axle can with the cooperation length more than or equal to 2mm of reinforcement, therefore can ensure the cooperation length between reinforcement and the connecting axle, and then ensure the connection reliability between reinforcement and the connecting axle.

In any of the above technical solutions, preferably, the transmission hole is an elliptical hole or a polygonal hole. Specifically, for example, the quadrangular hole or the hexagonal hole, wherein preferably, the quadrangular hole is a square hole, and the hexagonal hole is a square hole.

In these technical schemes, can be preferred set up the transmission hole to oval hole or four sides shape hole or hexagonal hole, because oval hole or four sides shape hole or hexagonal hole are more common and the simpler non-circular hole of structure, therefore better processing to can reduce the processing cost.

In any of the above technical solutions, preferably, the reinforcing member is a metal member.

In these technical schemes, the reinforcing member is preferably made of a metal member with relatively good strength, because the strength of the transmission hole can be ensured, and the strength insufficiency of the transmission hole can be prevented.

In any of the above technical solutions, preferably, the wear-resistant member and the screw rod body are of an integrated structure.

In these technical scheme, wearing parts and the screw rod body are preferred integral type structure, because the mechanical properties of integral type structure is good, therefore can ensure the joint strength between wearing parts and the screw rod body, in addition, still can make wearing parts and screw rod body an organic whole, batch production to improve the production efficiency of product, reduce the production and processing cost of product. Of course, the wear-resistant part and the screw body can be of a split structure, and the structure can be detached.

Wherein, preferentially, wearing parts and the integrative injection moulding of screw rod body, this kind of setting can make the joint strength between wearing parts and the screw rod body better, and also can avoid forming the gap between wearing parts and the screw rod body, can realize the seamless connection between wearing parts and the screw rod body promptly, therefore more do benefit to the washing of product. Meanwhile, the processing mode of the integral injection molding is simple in processing and low in cost, so that the manufacturing and processing cost of the product can be reduced.

In any of the above solutions, preferably, the screw body is made of plastic or metal. The screw rod body can be set to be metal or plastic, and is set to be metal, so that the strength of the screw rod can be improved, but the cost is higher.

In any of the above solutions, preferably, the wear resistant member is made of metal or glass or ceramic.

In these technical solutions, the wear-resistant part is preferably made of metal, glass, ceramic and the like with good wear resistance, which are relatively common and thus easily purchased, and at the same time, the hardness of the metal, glass and ceramic is good and thus the wear resistance of the screw can be ensured, wherein, further preferably, the wear-resistant layer is made of stainless steel, glass, ceramic, aluminum or titanium alloy.

In the above technical solution, preferably, the thickness t of the wear-resistant part is greater than 0mm and less than or equal to 2 mm.

Among these technical scheme, the thickness t of wearing parts is greater than 0mm less than or equal to 2mm, can be with wearing parts design thin to can not influence the screw rod body and to eating the normal processing of material, therefore can reduce the screw rod wearing and tearing, ensure the screw rod to eating the treatment effect of material, and then can ensure juice rate. In addition, this setting still makes wearing parts processing manufacturing convenient, and small in size, occupation space not to simple to operate, and can play the effect of the protection screw rod body, otherwise, if wearing parts set up too thickly, will then increase wearing parts's cost, and need great installation space, and be unfavorable for the screw rod to the treatment effect of eating the material.

An embodiment of a second aspect of the present invention provides a food processing cup for a food processing machine, the food processing machine including a base, a driving device disposed in the base, the food processing cup comprising: the cup body can be arranged on the base; and the screw rod provided by any technical scheme is arranged in the cup body and is in driving connection with the driving device.

According to the food processing cup provided by the embodiment of the invention, the screw rod provided by any embodiment of the first aspect is provided, so that the food processing cup provided by the embodiment of the invention also has all the beneficial effects of the screw rod provided by any embodiment of the first aspect. This is not to be taken as an example.

In any of the above technical solutions, preferably, the food processing cup further includes an upper cover, and the upper cover can be covered on the cup body.

In these technical scheme, usable upper cover carries out the feeding operation, simultaneously, also can fix a position the screw through the upper cover to can carry out both ends location to the screw. In addition, the opening of the cup body can be blocked by the upper cover, so that food or juice in the cup body can be prevented from splashing outside the cup body, and dust and the like can be prevented from falling into the cup body.

Wherein, preferably, be provided with location structure on the upper cover, location structure can with the constant head tank or the protruding cooperation of location on the screw rod to fix a position the one end of screw rod.

In these technical schemes, can set up location structure on the upper cover to can fix a position the one end of screw rod, and the other end of screw rod can the drive be connected to drive arrangement, thereby also can be fixed a position, just so can realize fixing a position the both ends of screw rod, and then can prevent the screw rod skew.

Among above-mentioned a plurality of technical scheme, preferably, be provided with the boss on the diapire of cup, the screw rod is close to one of cup and serves and be provided with the installation cavity, and the boss can stretch into the installation cavity of screw rod to fix a position the installation to the screw rod.

Wherein, preferably, the boss is formed by the bottom wall of the cup body sinking inwards the cup body. The boss and the cup body can form an integrated structure by the arrangement, so that the strength between the boss and the cup body can be improved. Simultaneously, this kind of setting also makes boss and cup can integrated into one piece, therefore can reduce the processing cost of product.

In the above-mentioned a plurality of technical solutions, preferably, the cup body includes: the crushing cup is communicated with the extruding cup, a screw is arranged in the crushing cup, an extruding device is arranged in the extruding cup, and the extruding device is used for extruding food materials entering the extruding cup from a cup body of the crushing cup so as to separate juice and residues of the food materials; the driving device comprises a first driving shaft and a second driving shaft, the first driving shaft is connected with the screw and used for driving the screw to crush food materials, and the second driving shaft is connected with the extruding device and used for driving the extruding device to rotate so as to separate juice and residues of the food materials.

In these technical scheme, can set the cup into two crushing cups and the extrusion cup that can communicate with each other to be equipped with above-mentioned screw rod respectively in crushing cup, and be equipped with an extrusion device in the extrusion cup, just so can set up the food processor into double screw rod food processor, thereby can carry out the crushing and the extrusion of edible material respectively in two cups. Wherein, specifically, this kind of food processing cup's theory of operation does: after the food materials enter the crushing cup, the screw rod is matched with the side wall of the crushing cup under the driving of the first driving shaft so as to crush the food materials, the crushed food materials enter the extruding cup under the action of the screw rod, and the extruding device extrudes the food materials under the driving of the second driving shaft so as to separate juice and residue of the food materials. This technical scheme is with the crushing process and the crowded juice slag removal process of edible material separately go on, and at crushing in-process, owing to need not crowded juice slag removal, therefore, it need not set up parts such as filter screen and rotatory brush in the crushing cup, thereby make the edible material in the crushing cup can be smashed under the combined action of cup and screw rod, simultaneously can set up the roughly level of extrusion device at crowded juice slag removal in-process, can set the crowded juice slag removal system into horizontal, thereby can be very convenient for with the juice sediment separation of food, this kind of setting can ensure the juice rate of food processor on the one hand, on the other hand can avoid using the filter screen, spare part such as rotatory brush, thereby make food processor's simple structure and easily installation, simultaneously because cancelled the filter screen, therefore can reduce user's washing difficulty, and then can promote user experience.

Preferably, the driving device is a motor, and the first driving shaft and/or the second driving shaft are/is a motor shaft.

In these technical solutions, it is preferable to drive the screw and/or the extruding device to rotate by a motor, because the motor is a common driving device in the food processor, and is easy to purchase, thereby reducing the cost of the product.

Embodiments of a third aspect of the present invention provide a food processor comprising a base having a drive arrangement disposed therein; and the screw rod provided by any embodiment of the first aspect is in driving connection with the driving device, or the food processing cup provided by any embodiment of the second aspect can be installed on the base.

According to the food processor provided by the embodiment of the present invention, the screw provided by any embodiment of the first aspect or the food processing cup provided by any embodiment of the second aspect is provided, and therefore, the food processor provided by the embodiment of the present invention has all the advantages of the screw provided by any embodiment of the first aspect or the food processing cup provided by any embodiment of the second aspect, which are not listed here.

In any of the above technical solutions, preferably, the food processor is a juice extractor or a juicer, and of course, the food processor may also be other structures besides a juice extractor and a juicer, such as a juicer, a wall breaking machine, and the like.

Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a screw provided according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of an annular wear member provided in accordance with an embodiment of the present invention;

FIG. 3 is a further structural schematic view of an annular wear member provided in accordance with an embodiment of the present invention;

FIG. 4 is another schematic structural view of an annular wear member provided in accordance with an embodiment of the present invention;

FIG. 5 is a schematic structural view of a transition piece provided in accordance with an embodiment of the present invention;

FIG. 6 is another structural schematic of a transition piece provided in accordance with an embodiment of the present invention;

FIG. 7 is an exploded view of a screw according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a screw provided according to another embodiment of the present invention;

FIG. 9 is a structural schematic of a transition piece provided in accordance with another embodiment of the present invention;

FIG. 10 is another structural schematic of a transition piece provided in accordance with another embodiment of the present invention;

fig. 11 is an exploded view schematically illustrating a screw according to another embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 11 is:

1 screw rod, 10 screw rod bodies, 102 outer core, 1022 encapsulation shell, 1024 packing casing, 1026 encapsulation drain pan, 1028 first connecting post, 104 inner core, 1042 installation cavity, 1044 first advance gluey hole, 1046 second advances gluey hole, 1048 spacing post, 1049 second spacing groove, 106 main spiral muscle, 12 transmission holes, 14 wearing parts, 140 cooperation spiral muscle, 142 extension protruding muscle, 144 first spacing groove, 16 constant head tank, 18 protective sheath.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

A screw 1, a food processing cup, and a food processor provided according to an embodiment of the present invention are described below with reference to fig. 1 to 11.

As shown in fig. 1 to 11, an embodiment of a first aspect of the present invention provides a screw 1 for a food processor, specifically, the screw 1 includes: the screw rod comprises a screw rod body 10, wherein one end of the screw rod body 10 is provided with a transmission hole 12 with one closed end; the wear-resistant part is arranged on the outer surface of the screw body 10, one surface of the wear-resistant part, which is far away from the screw body 10, is provided with a matching spiral rib 140, and the height of the matching spiral rib 140 in the radial direction of the screw body 10 is more than 0mm and less than or equal to 3 mm; at least one main spiral rib 106 is arranged on the outer side wall surface of the screw body 10, the main spiral rib 106 extends spirally from the end surface of one end, away from the transmission hole, of the screw body 10 to the other end of the screw body 10, and the orthographic projection height of the main spiral rib 106 in the axial direction of the screw body 10 is more than or equal to half of the height of the screw body 10.

According to the screw 1 provided by the embodiment of the invention, the screw 1 provided by the embodiment of the invention is used for a food processor, the food processor comprises a cup body and the screw 1 provided by the embodiment of the invention, and the wear-resistant part is arranged on the screw body 10, so that the screw 1 and the inner wall of the cup body of the food processing cup can be separated from each other through the wear-resistant part, the friction between the screw 1 and the cup body can be reduced, the wear of the screw 1 can be reduced when the screw 1 rotates, and the problem that the screw 1 is easy to wear and damage can be solved. According to the structure, on one hand, the abrasion of the screw rod 1 in single use is reduced, so that after the product is used for a long time, the screw rod 1 cannot be abraded seriously, the performance of the product cannot be reduced due to the abrasion of the screw rod 1, and the product can still have better performance after being used for a long time. On the other hand, the abrasion of the screw 1 is reduced, so that particles falling off due to the abrasion of the screw 1 can be reduced, the processed food can be prevented from being polluted by the particles falling off due to the abrasion of the screw 1, the health of consumers can be prevented from being damaged, and the cleanness and the sanitation of the food can be ensured. In addition, can also protect the surface of screw rod 1 through setting up the wearing parts to can prevent that screw rod 1 from being dyed by the pigment of food itself at the course of the work, and then make screw rod 1 wash more promptly, can keep the clean degree of screw rod 1 after long-term the use again, and then can ensure the aesthetic property of screw rod 1 and cooking machine for a long time. And through set up cooperation spiral muscle 140 on wearing parts for wearing parts also can carry out corresponding processing to eating the material when protecting screw rod 1, therefore can ensure the treatment effect of screw rod 1 to eating the material, and then can improve juice rate. And cooperation spiral muscle 140 is greater than 0mm less than or equal to 3mm at the ascending high L of the radial direction of the screw 1 body, can make the height of cooperation spiral muscle 140 on the wearing parts be unlikely to too high like this, therefore install to the cup at screw 1 after, make the passageway that holds edible material that forms between the lateral wall of wearing parts and cup be unlikely to too big, therefore make the wearing parts can handle edible material better with the cup together, in order to ensure the treatment effect of wearing parts to edible material, furthermore, this kind of highly still makes the structure of wearing parts more reasonable on the one hand, therefore better processing, on the other hand also makes the intensity of wearing parts better, therefore still can prevent the wearing parts damage, and then make the product more durable, also can prolong the life of product, in order to improve the utilization ratio of product. And through set up one end confined transmission hole 12 on the screw rod body 10, blind hole promptly to can be with a connecting axle disect insertion to the transmission hole 12 in, in order to realize the drive to screw rod 1, this kind of structure is through setting up transmission hole 12, can replace screw rod 1 axle through transmission hole 12, and then can cancel screw rod 1 axle, when specifically assembling food processing cup like this, can install the connecting axle in the mounting hole of cup earlier, then install the upper end at the connecting axle with screw rod 1, alright afterwards with food processing cup integral erection on the base. This kind of mounting means, because screw rod 1 and connecting axle are split type structure, consequently, can carry out the installation of connecting axle earlier, then install sealing silica gel, screw rod 1 etc. on the connecting axle in proper order, consequently, in screw rod 1's installation, screw rod 1 can not receive the hindrance of sealing silica gel etc. consequently, can realize food processing cup's equipment smoothly, fast and laborsavingly, and then can improve the installation and experience. In addition, the structure of the screw 1 can be simplified because the shaft of the screw 1 is not arranged, so that the volume of the screw 1 can be reduced for convenient transportation and storage, and the processing cost of the screw 1 can be reduced for reducing the total cost of products.

Wherein, through setting up main spiral muscle 106, make the screw body 10 can fully pulverize eating the material, and main spiral muscle 106 is kept away from the terminal surface of the one end of transmission hole from the screw body 10, start spiral downwardly extending from the up end of the screw body 10 promptly, and the spiral muscle of many screw bodies 10 does not begin from the up end, but start spiral downwardly extending from the middle part of the screw body 10, and this kind of setting, can be on the basis of ordinary screw body 10, the part that exceeds ordinary spiral muscle through main spiral muscle 106 forms the cutting part, therefore this kind of screw body 10 can utilize the cutting part of main spiral muscle 106 to carry out preliminary cutting processing to eating the material earlier, then handle such as extrude, therefore can improve the treatment effect of screw body 10 to eating the material. Specifically, the main spiral rib 106 preferably extends from the upper end surface of the screw body 10 to the middle or lower part of the screw body 10, so that the main spiral rib 106 is long, thereby facilitating the processing and conveying of the food material by the screw.

Further, it is preferable that at least one auxiliary spiral rib is provided on the outer side wall surface of the screw body 10, and an upper end surface of the auxiliary spiral rib is lower than an upper end surface of the main spiral rib 106, wherein the auxiliary spiral rib may extend downward from any height position of the body part, and a length thereof may be set at will. And the processing capacity of the body part to the food materials can be further enhanced by arranging the auxiliary spiral ribs, so that the processing effect of the screw on the food materials is improved.

Wherein, the upper end of vice spiral muscle is most advanced shape, and this kind of setting makes the material guided into from the passageway that main spiral muscle 106 formed, at the in-process that slides down along the passageway, is cut by the most advanced portion of vice spiral muscle to make the material leading-in smoothly, cut and grind, avoid the material to block up on the screw rod.

As shown in fig. 1 and 8, in the above embodiment, preferably, a mounting cavity 1042 with one open end is disposed on the bottom of the screw body 10, and the transmission hole 12 is disposed on the bottom wall of the mounting cavity 1042.

In these embodiments, the lower end of the screw body 10 may be disposed as the hollow mounting cavity 1042, so that the transmission hole 12 may be disposed closer to the top of the screw body 10, and thus when the screw 1 is driven to rotate by the cooperation of the connection shaft and the transmission hole 12, the connection shaft may be extended into the screw body 10 as much as possible, so that the connection shaft may be driven and connected to a portion of the screw body 10 closer to the middle upper portion of the screw 1, and thus, the driving positions of the screw 1 and the connection shaft may be disposed closer to the center of gravity of the screw 1, so that the stability of the screw 1 after being mounted may be ensured, and further the screw 1 may be prevented from shaking during the working process, thereby reducing friction between the screw 1 and the cup body due to shaking, and further reducing wear of the product. On the other hand sets the lower extreme of screw body 10 to cavity, can also set up a boss on the diapire of the cup of food processor to when installation screw 1, can stretch into the boss in the lower extreme of screw body 10, in order to realize the location installation to screw 1, therefore can improve the installation rate and the installation convenience of screw 1. In addition, the lower end of the screw body 10 is hollow, so that the screw 1 can be vertically and stably placed on a table top or a cooking bench, and the screw 1 can be prevented from rolling on the table top or the cooking bench.

Preferably, the height of the screw body 10 is H, and the depth of the mounting cavity 1042 is H, wherein H is equal to or less than 1/3H and equal to or less than 2/3H. When the screw rod 1 is driven to rotate by matching the connecting shaft with the transmission hole 12, the connecting shaft can extend into the middle of the screw rod 1, so that the gravity center of the screw rod 1 can be ensured, and the stability of the screw rod 1 after installation can be further ensured.

In any of the above embodiments, preferably, the wear-resistant member is an annular wear-resistant member 14, and the annular wear-resistant member 14 is sleeved on the screw rod body 10.

In these embodiments, it is preferable to arrange the wear-resistant member as the annular wear-resistant member 14, because on one hand, the annular wear-resistant member can be directly sleeved on the outer surface of the screw body 10, so that the installation is convenient, and the time and labor are saved; on the other hand, the annular wear-resistant part can carry out 360 all-round protection to the screw body 10 to can improve the protective effect of wear-resistant part to screw body 10.

In any of the above embodiments, as shown in fig. 2 to 4, preferably, the number of the mating spiral ribs 140 is plural, and the upper end surfaces of the plural mating spiral ribs 140 are all located in a reference plane, which is parallel to the surface of the annular wear-resistant member 14 near the top of the screw body 10.

In these embodiments, the plurality of spiral ribs 140 are spirally disposed on the outer surface of the annular wear-resistant member 14, so that the screw 1 can extrude, crush and transmit the food material while improving the wear resistance, and further, the normal processing capability of the screw 1 on the food material can be ensured. And the one side that a plurality of cooperation spiral muscle 140 are close to the top of the screw body 10 all is located a reference plane, that is to say the up end parallel and level of a plurality of cooperation spiral muscle 140, and this kind of setting is when the casing of the upper end of outer core 102 is processed out through the technology of moulding plastics for the mould can closely laminate with the up end of cooperation spiral muscle 140, thereby can prevent that the liquid of moulding plastics from exposing.

In any of the above embodiments, as shown in fig. 3 and 4, a preset height W is preferably provided between the reference plane and the surface of the annular wear-resistant member 14 close to the top of the screw body 10, wherein W is greater than or equal to 1 mm.

In these embodiments, a preset height W is provided between the reference plane and a surface of the annular wear-resistant member 14 near the top of the screw rod body 10, so as to ensure that the spiral rib 140 does not exceed the end surface of the annular wear-resistant member 14, thereby ensuring the smoothness of the bonding surface when the first shell and the second shell are injection molded. Wherein, W is too small, which may affect injection molding; w is too large, reducing the length of the matching spiral rib 140 and weakening the extrusion, crushing and transmission of food materials.

In any of the above embodiments, the annular wear part 14 is preferably of one-piece construction with a plurality of mating spiral ribs 140. Annular wear-resisting piece 14 and a plurality of cooperation spiral muscle 140 formula structure as an organic whole for annular wear-resisting piece 14's intensity is high, is difficult to damage, and manufacturing is more convenient.

As shown in fig. 7 and 11, in any of the above embodiments, preferably, the screw body 10 includes: an inner core 104, wherein one end of the inner core 104 is provided with a hollow cavity with an opening at one end, and the annular wear-resistant part 14 is sleeved outside the outer surface of the inner core 104; the outer core 102, the outer core 102 includes an encapsulating bottom shell 1026 and a filling shell 1024, the encapsulating bottom shell 1026 is attached to the end surface of the inner core 104 near one end of the hollow cavity, the shape of the encapsulating bottom shell 1026 is matched with the shape of the end surface of the inner core 104 near one end of the hollow cavity, and the filling shell 1024 is disposed between the annular wear-resistant member 14 and the inner core 104; a first glue inlet hole 1044 penetrating through the inner core 104 is formed between the surface of the inner core 104 attached to the filling shell 1024 and the surface of the inner core 104 attached to the packaging bottom shell 1026, a first connecting column 1028 is arranged in the first glue inlet hole 1044, and two ends of the first connecting column 1028 are respectively connected to the packaging bottom shell 1026 and the filling shell 1024.

In these embodiments, the screw 1 can be configured to include the inner core 104 and the shell structure disposed on the outer surface of the inner core 104, so that the screw 1 can be divided into an inner layer and an outer layer, and thus the inner core 104 can be processed first, and then the outer core 102 and other structures can be processed on the outer surface of the inner core 104, specifically, for example, the inner core 104 can be injection molded first, and then the outer core 102 can be injection molded outside the inner core 104 by means of insert injection molding, and compared with the manner of integrally injection molding the screw 1, the surface quality of the screw 1 can be improved, so that the comprehensive performance of the screw 1 can be improved, and meanwhile, the processing difficulty of the screw 1 is reduced by the configuration, and further, the production cost is reduced. In addition, different materials can be selected according to actual needs to process the inner core 104 and the outer core 102, so that the screw 1 can be suitable for different occasions to meet various requirements of users. The annular wear-resistant part 14 is sleeved on the outer side surface of the inner core 104, so that on one hand, the wear resistance of the screw 1 can be enhanced by the annular wear-resistant part 14, and therefore, when the screw 1 rotates, the wear of the screw 1 can be reduced, and the screw 1 still has good performance after a product is used for a long time. On the other hand, the abrasion of the screw 1 is reduced, so that particles falling off due to the abrasion of the screw 1 can be reduced, the processed food can be prevented from being polluted by the particles falling off due to the abrasion of the screw 1, the health of consumers can be prevented from being damaged, and the cleanness and the sanitation of the food can be ensured. On the other hand can also protect the surface of screw rod 1 through setting up the wearing parts to can prevent that screw rod 1 from being dyed by the pigment of food itself in the course of the work, and then make screw rod 1 to wash more promptly, can keep the clean degree of screw rod 1 after long-term the use again, and then can ensure the aesthetic property of screw rod 1 and cooking machine for a long time. And through setting up first advancing gluey hole 1044 and first connecting column 1028 for encapsulation drain pan 1026 on the lower terminal surface of inner core 104 can pass inner core 104 and pack the casing 1024 between inner core 104 and annular wearing part 14 and be linked together, thereby on the one hand can strengthen the joint strength between outer core 102, and on the other hand, encapsulation drain pan 1026 and the casing 1024 link together through first connecting column 1028, still can be with encapsulation drain pan 1026 and the integrative injection moulding of casing 1024, thereby can reduce the manufacturing cost of product, improve production efficiency. Specifically, for example, the inner core 104 may be machined, the annular wear-resistant member 14 is sleeved on the outer surface of the inner core 104, and finally the package bottom shell 1026 and the filling shell 1024 are integrally injection-molded on the inner core 104 by insert injection molding.

In any of the above embodiments, preferably, the filling housing 1024, the first connecting post 1028, and the bottom packaging shell 1026 are a one-piece structure; or the filling housing 1024, the first connecting post 1028 and the bottom packaging cover 1026 are integrally injection molded.

In these embodiments, the filling housing 1024, the first connecting post 1028 and the bottom packaging shell 1026 are preferably of a one-piece structure, because the one-piece structure has good mechanical properties, so that the connection strength between the filling housing 1024 and the bottom packaging shell 1026 can be enhanced, and the inner core 104 can be wrapped more tightly, so that the inner core 104 and the outer core 102 can be prevented from being dislocated. Wherein, preferably, the packing casing 1024, the first connecting column 1028 and the encapsulation drain pan 1026 integrative injection moulding, so on the one hand can reduce the processing degree of difficulty, improve machining efficiency, on the other hand because the injection moulding of packing casing 1024, therefore can also utilize packing casing 1024 to be connected annular wearing parts 14 and inner core 104 automatically, therefore can realize the installation of annular wearing parts 14 simply conveniently.

In any of the above embodiments, preferably, the annular wear part 14 is provided with a helical groove on its inner side wall surface.

In these embodiments, a spiral groove may be formed on the inner side wall surface of the annular wear-resistant member 14, so that when the filling housing 1024 is injection-molded, the injection liquid can flow in the spiral groove and form a filling rib, which can enhance the connection strength between the filling housing 1024 and the annular wear-resistant member 14, so as to make the installation of the annular wear-resistant member 14 more reliable.

In any of the above embodiments, preferably, the inner side wall of the annular wear-resistant member 14 is recessed outward of the annular wear-resistant member 14 to form a spiral groove on the inner side wall surface of the annular wear-resistant member 14 and form a mating spiral rib 140 on the outer side wall surface of the annular wear-resistant member 14.

In these embodiments, it is preferable that the spiral groove is formed on the inner side wall surface of the annular wear-resistant member 14 in a recessed manner, and the matching spiral rib 140 is formed on the outer side wall surface of the annular wear-resistant member 14, so that on one hand, the annular wear-resistant member 14 can be better processed, and thus the cost can be reduced, and the processing efficiency can be improved, and on the other hand, the thickness of the annular wear-resistant member 14 can be reduced, so that the annular wear-resistant member 14 can be processed to be thinner, and thus the material cost of the annular wear-resistant member 14 can be reduced.

Wherein, preferably, the number of the spiral grooves is one or more, and the number of the mating spiral ribs 140 is one or more.

In these embodiments, the number of the spiral grooves and the mating spiral ribs 140 may be one or more, and specifically, may be selected according to actual needs.

As shown in fig. 7 to 9, in any of the above embodiments, preferably, the first glue feeding hole 1044 is disposed corresponding to the spiral groove, or the number of the first glue feeding holes 1044 is multiple, and each spiral groove is correspondingly provided with 1 to 5 first glue feeding holes 1044.

In these embodiments, the first glue inlet 1044 is disposed corresponding to the spiral groove, so that the injection liquid can flow into the spiral groove more easily when the filling housing 1024 is processed by injection molding, and the situation of insufficient injection liquid in the spiral groove can be prevented. The number of the first glue inlet holes 1044 is multiple, and each spiral groove is correspondingly provided with 1 to 5 first glue inlet holes 1044, so that the injection molding liquid can flow into the spiral groove more easily when the filling shell 1024 is subjected to injection molding, the space of the spiral groove can be fully filled with the injection molding liquid, and the quality and the density of the filling shell 1024 after molding can be ensured.

In any of the above embodiments, as shown in fig. 7 and 11, preferably, the end of the filling shell 1024 close to the bottom packaging shell 1026 is connected to the bottom packaging shell 1026, and the end of the filling shell 1024 far from the bottom packaging shell 1026 is covered on the end of the inner core 104 far from the hollow cavity.

In these embodiments, one end of the filling shell 1024 close to the bottom packaging shell 1026 is connected to the bottom packaging shell 1026, and the other end of the filling shell 1024 covers one end of the inner core 104 far from the mounting cavity 1042, so that the filling shell 1024 and the bottom packaging shell 1026 completely enclose the inner core 104, thereby preventing juice squeezed from the food material from contaminating the inner core 104, and preventing the inner core 104 from getting moldy.

In any of the above embodiments, preferably, the filling shell 1024 is disposed on the outer side surface of the inner core 104 near one end of the hollow cavity, and one end of the filling shell 1024 near the bottom packaging shell 1026 is connected to the bottom packaging shell 1026; the outer core 102 further includes: the packaging outer shell 1022 is attached to the outer side surface of one end of the inner core 104 away from the hollow cavity and the end surface of one end of the inner core 104 away from the hollow cavity; a second glue inlet hole 1046 penetrating through the inner core 104 is formed between the surface where the inner core 104 is attached to the package bottom shell 1026 and the surface where the inner core 104 is attached to the package outer shell 1022, a second connecting column is arranged in the second glue inlet hole 1046, and two ends of the second connecting column are respectively connected with the package outer shell 1022 and the package bottom shell 1026.

In these embodiments, a second glue inlet may be disposed on the inner core 104, between a surface of the inner core 104 contacting the bottom package cover 1026 and a surface of the inner core 104 contacting the bottom package cover 1022, so that the bottom package cover 1026 and the outer package cover 1022 can be integrally injection molded when the inner core 104 is processed by injection molding. This kind of structure advances gluey hole 1044 and/or second through setting up and makes the internal surface and the surface of inner core 104 can switch on, consequently, can be with encapsulation drain pan 1026 and fill casing 1024 and/or encapsulation drain pan 1026 and fill casing 1024 integrative injection moulding to can improve the machining efficiency of outer core 102 when reducing the processing degree of difficulty of outer core 102.

In any of the above embodiments, as shown in fig. 7, the main spiral rib 106 is preferably provided on the outer surface of the outer core 102.

In any of the above embodiments, preferably, the package housing 1022, the second connecting column, and the package bottom cover 1026 are a one-piece structure, or the package housing 1022, the second connecting column, and the package bottom cover 1026 are integrally injection molded.

In these embodiments, the package housing 1022, the second connecting pillar, and the package bottom cover 1026 are integrally formed, and preferably integrally injection molded, and the package bottom cover 1026, the package housing 1022, and the second connecting pillar are preferably integrally formed, and preferably integrally injection molded. Because this can reduce the manufacturing process of the product and can make the connection between the various parts of the screw 1 more secure.

In any of the above embodiments, as shown in fig. 2, preferably, one of the annular wear-resistant member 14 and the filling shell 1024 is provided with a first limiting groove 144, and the other of the annular wear-resistant member 14 and the filling shell 1024 is provided with a first limiting protrusion capable of cooperating with the first limiting groove 144.

In these embodiments, the inner wall of the annular wear-resistant member 14 is provided with a first limiting groove 144, a first limiting protrusion is arranged on the filling shell 1024 corresponding to the first limiting groove 144, and the first limiting protrusion can be inserted into the first limiting groove 144 to limit the annular wear-resistant member 14, so that the annular wear-resistant member 14 is firmly fixed on the screw rod 1, and in the working process of the food processor, the annular wear-resistant member 14 is not easy to fall off from the screw rod 1 under the squeezing action of external force, thereby ensuring the normal work of the food processor. Preferably, the number of the first limiting grooves 144 and the number of the first limiting protrusions may be multiple, so as to further ensure the firmness of the connection between the annular wear-resistant part 14 and the screw rod 1. First spacing arch can with 1 formula structure as an organic whole of screw rod, improved first spacing bellied intensity, spacing arch is difficult to the rupture.

In any of the above embodiments, as shown in fig. 5, 6 and 10, preferably, one of the inner core 104 and the outer package housing 1022 is provided with a second limiting groove 1049, and the other of the inner core 104 and the outer package housing 1022 is provided with a second limiting protrusion which can cooperate with the second limiting groove 1049.

In these embodiments, a second limiting groove 1049 and a second limiting protrusion may be disposed between the inner core 104 and the package housing 1022, so that the inner core 104 and the package housing 1022 can be positioned by the cooperation of the second limiting groove 1049 and the second limiting protrusion, and meanwhile, the cooperation of the second limiting groove 1049 and the second limiting protrusion can further enhance the connection strength between the inner core 104 and the package housing 1022.

In any of the above embodiments, as shown in fig. 5-7, one or more retaining posts 1048 are preferably further disposed on an end of the core 104 adjacent to the bottom package cover 1026.

In these embodiments, one or more limiting posts 1048 may be disposed on the bottom of the core 104, so that the bottom package cover 1026 can be limited by the limiting posts 1048.

In any of the above embodiments, preferably, the inner edge of the upper end surface of the annular wear member 14 is provided with a ring of elongated ribs 142, and the elongated ribs 142 are located between the encapsulating housing 1022 and the inner core 104.

In these embodiments, a circle of lengthened ribs 142 can be arranged on the inner edge of the upper end face of the annular wear-resistant member 14, because after the encapsulation housing 1022 is injection molded, expansion with heat and contraction with cold of plastics can cause the encapsulation housing 1022 to contract upwards, and therefore, after the encapsulation housing 1022 contracts upwards through arranging the lengthened ribs 142, the encapsulation housing 1022 can be folded and overlapped with the wear-resistant member in the axial direction through the lengthened ribs 142, and then a gap is not formed at the joint of the encapsulation housing 1022 and the wear-resistant member, so that the quality of the product after processing and molding can be better.

In any of the above embodiments, preferably, the screw body 10 is provided with a positioning slot 16 or a positioning protrusion at an end away from the mounting cavity 1042.

In these embodiments, one end of the screw body 10 may be drivingly connected to the connecting shaft, and a positioning protrusion or positioning groove 16 is disposed on an end surface of the other end of the screw body 10, and a positioning groove 16 or positioning protrusion is correspondingly disposed on the upper cover, so that the other end of the screw body 10 can be positioned by using the positioning protrusion and the positioning groove 16, so as to position two ends of the screw body 10 at the same time, and further prevent the screw body 10 from being worn obliquely.

As shown in fig. 8, preferably, a positioning groove 16 is formed at one end of the screw body 10 away from the transmission hole 12, and in this case, a positioning protrusion may be formed on the upper cover, which is more convenient for directly processing the positioning groove 16 on the screw body 10, thereby reducing the processing difficulty of the screw body 10.

In any of the above embodiments, preferably, the screw 1 further comprises: and the protective sleeve 18 is arranged in the positioning groove 16 or sleeved and installed on the positioning bulge.

In these embodiments, a protective sleeve 18, such as abrasion-resistant silica gel, can be disposed in the positioning groove 16, and this arrangement can form a buffer space at the positioning connection position of the upper cover and the screw rod 1 by using the protective sleeve 18, so as to compensate for the installation error of the screw rod 1 during installation and positioning, and provide a buffer deformation space for the movement of the screw rod 1 during operation. In addition, can also prevent screw rod 1 and upper cover direct contact through setting up wear-resisting silica gel, and then can reduce the wearing and tearing between screw rod 1 and the upper cover to ensure that screw rod 1 can not worn and torn badly. Specifically, when the positioning protrusion is disposed on the screw rod 1, the protective sleeve 18 can be directly sleeved on the positioning protrusion, so as to protect the positioning protrusion, and when the positioning groove 16 is disposed on the screw rod 1, the protective sleeve 18 can be disposed around the sidewall and the bottom wall of the positioning groove 16, so as to protect the entire groove wall of the positioning groove 16.

In any of the above embodiments, preferably, the screw 1 further comprises: the reinforcing member is arranged in the screw rod body 10, a through hole is formed in the reinforcing member, the through hole and the transmission hole 12 are coaxial and are communicated with each other, and the shape and the size of the through hole are matched with those of the transmission hole 12.

In these embodiments, a reinforcement can be disposed on the bottom wall and the recessed portion of the hollow cavity, and the transmission hole 12 penetrates through the reinforcement, which is equivalent to a circle of reinforcement disposed around the transmission hole 12, so as to reinforce the material strength around the transmission hole 12, thereby preventing the transmission hole 12 from being broken due to insufficient strength, and further improving the overall strength of the screw rod 1, so as to make the screw rod 1 durable. Wherein, be provided with the via hole on the reinforcement, and the via hole just switches on with transmission hole 12 is coaxial and each other for the connecting axle can just smooth pass the reinforcement and switch on with transmission hole 12 on the inner core 104, and the shape size of via hole and the mutual adaptation of transmission hole 12 shape size make the via hole can with the mutual adaptation connection of connecting axle, therefore make the reinforcement also can be used for the transmission of moment of torsion, therefore can improve the transmission reliability between screw rod 1 and the connecting axle.

In any of the above embodiments, preferably, the reinforcement member is provided with a plurality of positioning holes.

In these embodiments, the positioning hole is used to assist the reinforcement to be positioned on the screw 1 during processing, so that the occurrence of reinforcement deviation during injection molding of the screw 1 can be prevented.

In any of the above embodiments, preferably the side wall surface of the stiffener is a non-circular surface. The non-circular surface can be contacted with the screw rod 1, the non-circular surface and the screw rod 1 can be embedded into a buckle, when the reinforcing piece rotates, the non-circular surface and the buckle of the screw rod 1 can be used for pushing the screw rod 1 to rotate, the reinforcing piece can be prevented from rotating relative to the screw rod 1, the reinforcing piece can be installed between the reinforcing piece and the screw rod 1 more stably and firmly, and the torque can be transmitted to the screw rod 1 through the reinforcing piece, so that the screw rod 1 can be driven to rotate.

In any of the above embodiments, preferably, the side wall surface of the reinforcement is an elliptical surface, so that the elliptical surface of the reinforcement and the screw rod 1 can be embedded and buckled with each other to realize torque transmission.

In another embodiment, preferably, the reinforcing member is provided with a rotation stopping structure, and the rotation stopping structure comprises a groove, a protrusion and a notch.

In these embodiments, a plurality of notches, and/or a plurality of protrusions, and/or a plurality of grooves may be provided on the reinforcement, so that a matching structure matching with the plurality of notches, and/or the plurality of protrusions, and/or the plurality of grooves may be correspondingly provided in the screw 1, so that the reinforcement and the screw 1 may be firmly connected together through the matching structure matching with the plurality of notches, and/or the plurality of protrusions, and/or the plurality of grooves, so that the screw 1 may be prevented from rotating relative to the reinforcement, and further, the torque may be transmitted to the screw 1 through the reinforcement, so as to drive the screw 1 to rotate.

In any of the above embodiments, preferably, the sum of the fitting areas of the rotation stopping structure of the reinforcing member and the screw 1 is greater than or equal to 5cm²。

In the embodiments, the area of the rotation stopping structures matched with the screw rod 1 is more than or equal to 5cm²This ensures that the transmission area between the reinforcement and the screw 1 is sufficient to ensure that the torque transmitted between the reinforcement and the screw 1 is sufficiently large.

In any of the above embodiments, preferably, the transmission hole 12 is a non-circular hole, and the shape of the portion of the connection shaft engaged with the transmission hole 12 is matched with the shape of the transmission hole 12.

In these embodiments, the transmission hole 12 is configured to be non-circular, so that the inner wall of the transmission hole 12 can interfere with the side wall of the connecting shaft, and the connecting shaft cannot freely rotate in the transmission hole 12, and therefore the connection reliability between the transmission hole 12 and the connecting shaft can be improved, and further the connecting shaft can be reliably connected with the screw 1 in a driving manner, and further the connecting shaft can reliably transmit the torque to the screw 1, and further the screw 1 is driven to rotate.

In any of the above embodiments, preferably, the height of the via hole in the axial direction of the screw 1 is 2mm or more.

In the embodiments, the height of the via hole in the axial direction of the screw 1 is set to be greater than or equal to 2mm, so that the matching length between the connecting shaft and the reinforcing piece is greater than or equal to 2mm, the matching length between the reinforcing piece and the connecting shaft can be ensured, and the connection reliability between the reinforcing piece and the connecting shaft can be ensured.

In any of the above embodiments, the transmission hole 12 is preferably an elliptical hole, a polygonal hole. Specifically, for example, the quadrangular hole or the hexagonal hole, wherein preferably, the quadrangular hole is a square hole, and the hexagonal hole is a square hole.

In these embodiments, it is preferable to provide the transmission hole 12 as an elliptical hole, a quadrangular hole, or a hexagonal hole, because the elliptical hole, the quadrangular hole, or the hexagonal hole is a non-circular hole which is relatively common and simple in structure, and thus is relatively easy to machine, thereby reducing the machining cost.

In any of the above embodiments, preferably, the reinforcing member is a metal member.

In these embodiments, the reinforcing member is preferably made of a metal member having a relatively high strength, because the strength of the power transmission hole 12 can be ensured, and thus the strength of the power transmission hole 12 can be prevented from being insufficient.

In any of the above embodiments, the wear member is preferably of one-piece construction with the screw body 10.

In these embodiments, the wear-resistant member and the screw body 10 are preferably of an integrated structure, because the mechanical property of the integrated structure is good, the connection strength between the wear-resistant member and the screw body 10 can be ensured, and in addition, the wear-resistant member and the screw body 10 can be integrally manufactured and produced in batch, so that the production efficiency of products is improved, and the production and processing cost of the products is reduced. Of course, the wear-resistant part and the screw body 10 can be in a split structure, i.e. a detachable structure.

Wherein, preferably, wearing parts and the integrative injection moulding of screw rod body 10, this kind of setting can make the joint strength between wearing parts and the screw rod body 10 better, and also can avoid forming the gap between wearing parts and the screw rod body 10, can realize the seamless connection between wearing parts and the screw rod body 10 promptly, therefore more do benefit to the washing of product. Meanwhile, the processing mode of the integral injection molding is simple in processing and low in cost, so that the manufacturing and processing cost of the product can be reduced.

In any of the above embodiments, the screw body 10 is preferably made of plastic or metal. The screw body 10 can be made of metal or plastic, and is made of metal, which can improve the strength of the screw 1, but the cost is high.

In any of the above embodiments, preferably the wear part is made of metal or glass or ceramic.

In these embodiments, the wear-resistant member is preferably made of metal, glass, ceramic, or the like having good wear resistance, because metal, glass, and ceramic are relatively common and thus easily available, and at the same time, the metal, glass, and ceramic have good hardness and thus can ensure the wear resistance of the screw 1, wherein, further preferably, the wear-resistant layer is made of stainless steel, glass, ceramic, aluminum, or titanium alloy.

In the above embodiment, preferably, the thickness t of the wear-resistant member is greater than 0mm and equal to or less than 2 mm.

In these embodiments, the thickness t of the wear-resistant part is greater than 0mm and less than or equal to 2mm, and the wear-resistant part can be designed to be thin, so that the normal processing of the screw body 10 on the food material is not affected, the wear of the screw 1 can be reduced, the processing effect of the screw 1 on the food material is ensured, and the juice yield can be ensured. In addition, this setting still makes wearing parts processing manufacturing convenient, and small in size, occupation space not to simple to operate, and can play the effect of protection screw body 10, on the contrary, if the wearing parts sets up too thickly, will then increase wearing parts's cost, and need great installation space, and be unfavorable for screw 1's the treatment effect to eating the material.

An embodiment of a second aspect of the present invention provides a food processing cup (not shown) for a food processor, the food processor comprising a base having a driving device disposed therein, the food processing cup comprising: the cup body can be arranged on the base; and the screw rod 1 provided by any one of the above embodiments, wherein the screw rod 1 is arranged in the cup body and is in driving connection with the driving device.

According to the food processing cup provided by the embodiment of the invention, the screw 1 provided by any embodiment of the first aspect is provided, so that the food processing cup provided by the embodiment of the invention also has all the beneficial effects of the screw 1 provided by any embodiment of the first aspect. This is not to be taken as an example.

In any of the above embodiments, preferably, the food processing cup further comprises an upper cover capable of being covered on the cup body.

In these embodiments, the feeding operation can be performed by using the upper cover, and the screw 1 can be positioned by the upper cover so that the screw 1 can be positioned at both ends. In addition, the opening of the cup body can be blocked by the upper cover, so that food or juice in the cup body can be prevented from splashing outside the cup body, and dust and the like can be prevented from falling into the cup body.

Wherein, preferably, be provided with location structure on the upper cover, location structure can with the constant head tank or the protruding cooperation of location on the screw rod 1 to fix a position the one end of screw rod 1.

In these embodiments, a positioning structure may be disposed on the upper cover, so as to position one end of the screw rod 1, and the other end of the screw rod 1 can be drivingly connected to the driving device, so as to be positioned, so as to position both ends of the screw rod 1, and further prevent the screw rod 1 from deflecting.

In the above embodiments, preferably, a boss is provided on the bottom wall of the cup body, and an installation cavity is provided at one end of the screw rod 1 close to the cup body, and the boss can extend into the installation cavity of the screw rod 1 to perform positioning installation on the screw rod 1.

In the above embodiments, preferably, the cup body includes: the food juice extractor comprises a crushing cup and an extrusion cup, wherein the crushing cup is communicated with the extrusion cup, a screw rod 1 is arranged in the crushing cup, an extrusion device is arranged in the extrusion cup, and the extrusion device is used for extruding food materials entering the extrusion cup from a cup body of the crushing cup so as to separate juice and residues of the food materials; the driving device comprises a first driving shaft and a second driving shaft, the first driving shaft is connected with the screw rod 1 and used for driving the screw rod 1 to crush food materials, and the second driving shaft is connected with the extruding device and used for driving the extruding device to rotate so as to separate juice and residues of the food materials.

In these embodiments, the cup body may be configured as two pulverizing cups and an extruding cup which can be communicated with each other, and the screw 1 is provided in the pulverizing cup and the extruding cup, respectively, so that the food processor can be configured as a twin-screw 1 food processor, and the pulverizing and extruding of the food material can be performed in the two cups, respectively. Wherein, specifically, this kind of food processing cup's theory of operation does: after the food materials enter the crushing cup, the screw rod 1 is matched with the side wall of the crushing cup under the driving of the first driving shaft so as to crush the food materials, the crushed food materials enter the extruding cup under the action of the screw rod 1, and the extruding device extrudes the food materials under the driving of the second driving shaft so as to separate juice and residue of the food materials. This embodiment is separately gone on with the crushing process and the crowded juice slag removal process of edible material, and at crushing in-process, owing to need not crowded juice slag removal, therefore, it need not set up parts such as filter screen and rotatory brush in the crushing cup, thereby make the edible material in the crushing cup can be smashed under the combined action of cup and screw 1, simultaneously can set up the roughly level of extrusion device at crowded juice slag removal in-process, can set the crowded juice slag removal system into horizontal, thereby can be very convenient for with the juice sediment separation of food, the juice rate of food processor can be ensured on the one hand in this kind of setting, on the other hand can avoid using the filter screen, spare part such as rotatory brush, thereby make food processor's simple structure and easily installation, simultaneously owing to cancelled the filter screen, therefore can reduce user's washing difficulty, and then can promote user experience.

In these embodiments, it is preferable to drive the screw 1 and/or the extruding means to rotate by a motor, because the motor is a relatively common driving means in the food processor, and thus is easy to purchase, thereby reducing the cost of the product.

Embodiments of a third aspect of the present invention provide a food processor comprising a base having a drive arrangement disposed therein; and the screw 1 provided by any embodiment of the first aspect, wherein the screw 1 is in driving connection with a driving device, or the food processing cup provided by any embodiment of the second aspect, wherein the food processing cup can be arranged on a base.

According to the food processor provided by the embodiment of the present invention, the screw 1 provided by any embodiment of the first aspect or the food processing cup provided by any embodiment of the second aspect is provided, and therefore, the food processor provided by the embodiment of the present invention has all the advantages of the screw 1 provided by any embodiment of the first aspect or the food processing cup provided by any embodiment of the second aspect, which are not listed here.

In any of the above embodiments, the food processor is preferably a juicer or a juicer, but the food processor may also be other structures besides a juicer or a juicer, such as a juicer, a wall breaking machine, and the like.

In the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A screw for a food processor, the screw comprising:

the transmission mechanism comprises a screw rod body, wherein one end of the screw rod body is provided with a transmission hole with one closed end;

the wear-resistant part is arranged on the outer surface of the screw rod body, one surface of the wear-resistant part, which is far away from the screw rod body, is provided with a matching spiral rib, and the height of the matching spiral rib in the radial direction of the screw rod body is more than 0mm and less than or equal to 3 mm;

the outer side wall surface of the screw rod body is provided with at least one main spiral rib, the main spiral rib extends spirally from the end surface of one end, away from the transmission hole, of the screw rod body to the other end of the screw rod body, and the orthographic projection height of the main spiral rib on the axial direction of the screw rod body is more than or equal to half of the height of the screw rod body;

the wearing parts are annular wearing parts, the screw body includes: the wear-resistant part comprises an inner core, wherein a hollow cavity with one open end is formed in one end of the inner core, and the annular wear-resistant part is sleeved outside the outer side surface of the inner core; the outer core comprises an encapsulation bottom shell and a filling shell, the encapsulation bottom shell is attached to the end face of the inner core, close to one end of the hollow cavity, the shape of the encapsulation bottom shell is matched with that of the end face of the inner core, close to one end of the hollow cavity, and the filling shell is arranged between the annular wear-resistant part and the inner core; the packaging shell comprises an inner core, a packaging bottom shell and a packaging bottom shell, wherein a first glue inlet hole penetrating through the inner core is formed between the surface, attached to the inner core and the packaging shell, of the inner core and the surface, attached to the packaging bottom shell, of the inner core, a first connecting column is arranged in the first glue inlet hole, and two ends of the first connecting column are connected with the packaging bottom shell and the packaging shell respectively.

2. The screw of claim 1,

one of the screw rod body is provided with an opening at one end and a hollow installation cavity, and the transmission hole is formed in the bottom wall of the installation cavity.

3. The screw of claim 2,

the annular wear-resistant part is sleeved on the screw rod body.

4. The screw of claim 2,

the filling shell, the first connecting column and the packaging bottom shell are of an integrated structure; or

The filling shell, the first connecting column and the packaging bottom shell are integrally formed in an injection molding mode.

5. The screw of claim 4,

and a spiral groove is formed in the inner side wall surface of the annular wear-resistant part.

6. The screw of claim 5,

the inner side wall of the annular wear-resistant part is sunken towards the outside of the annular wear-resistant part so as to form the spiral groove on the surface of the inner side wall of the annular wear-resistant part and form the matched spiral rib on the outer side wall surface of the annular wear-resistant part.

7. The screw of claim 5,

the first glue inlet holes are arranged corresponding to the spiral grooves, or the number of the first glue inlet holes is multiple, and each spiral groove is correspondingly provided with 1 to 5 first glue inlet holes.

8. The screw according to any one of claims 1 to 7,

one end, close to the packaging bottom shell, of the filling shell is connected with the packaging bottom shell, and one end, far away from the packaging bottom shell, of the filling shell covers one end, far away from the hollow cavity, of the inner core.

9. The screw according to any one of claims 1 to 7,

the filling shell is arranged on the outer side surface of one end, close to the hollow cavity, of the inner core, and one end, close to the packaging bottom shell, of the filling shell is connected with the packaging bottom shell;

the outer core further comprises:

the packaging shell is attached to the outer side surface of one end, away from the hollow cavity, of the inner core and the end surface of one end, away from the hollow cavity, of the inner core;

a second glue inlet hole penetrating through the inner core is formed between the surface, attached to the inner core and the encapsulation bottom shell, of the inner core and the surface, attached to the encapsulation shell, of the inner core, a second connecting column is arranged in the second glue inlet hole, and two ends of the second connecting column are connected with the encapsulation shell and the encapsulation bottom shell respectively.

10. The screw of claim 9,

the packaging shell, the second connecting column and the packaging bottom shell are of an integrated structure, or the packaging shell, the second connecting column and the packaging bottom shell are integrally formed in an injection molding mode.

11. The screw of claim 10,

one of the annular wear-resistant part and the filling shell is provided with a first limiting groove, and the other of the annular wear-resistant part and the filling shell is provided with a first limiting bulge which can be matched with the first limiting groove; and/or

One of the inner core and the packaging shell is provided with a second limiting groove, and the other of the inner core and the packaging shell is provided with a second limiting bulge which can be matched with the second limiting groove; and/or

One end of the inner core, which is close to the packaging bottom shell, is also provided with one or more limiting columns.

12. The screw of claim 9,

the inner edge of the upper end face of the annular wear-resistant part is provided with a circle of lengthened convex ribs, and the lengthened convex ribs are located between the packaging shell and the inner core.

13. The screw according to any one of claims 2 to 7,

and one end of the screw rod body, which is far away from the installation cavity, is provided with a positioning groove or a positioning bulge.

14. The screw of claim 13, further comprising:

and the protective sleeve is arranged in the positioning groove or sleeved on the positioning protrusion.

15. The screw of any one of claims 1 to 7, further comprising:

the reinforcing part is arranged in the screw rod body, a through hole is formed in the reinforcing part, the through hole is coaxial with the transmission hole and is communicated with the transmission hole, and the shape and the size of the through hole are matched with those of the transmission hole.

16. The screw according to any one of claims 1 to 7,

the wear-resistant part and the screw rod body are of an integrated structure; and/or

The screw rod body is made of plastic or metal; and/or

The wear-resistant part is made of metal or glass or ceramic; and/or

The thickness of the wear-resistant part is larger than 0mm and smaller than or equal to 2 mm.

17. A food processing cup for a food processor, the food processor including a base, a drive arrangement provided in the base, the food processing cup comprising:

a cup body mountable on the base;

a screw as claimed in any one of claims 1 to 16, mounted in the cup and drivingly connectable to the drive means.

18. A food processor, comprising:

the device comprises a base, wherein a driving device is arranged in the base; and

a screw according to any one of claims 1 to 16, which is drivingly connectable to the drive means, or a food processing cup according to claim 17, which is mountable on the base.