CN217937987U - Food processing machine - Google Patents

Abstract

The utility model relates to a food preparation machine field discloses a food preparation machine, including processing cup subassembly and demountable installation in the host computer of processing cup subassembly, processing cup subassembly includes cup, bowl cover and stirring piece, and bowl cover detachable installs in the cup, surrounds with the cup and forms the process chamber, and the stirring piece includes drive end and process end, and the bowl cover still is equipped with the sunken mounting structure that extends towards the process chamber, the bowl cover includes bowl cover and lower bowl cover, the mounting structure that sinks locates lower bowl cover, stirring piece pass the mounting structure that sinks and stretch into to the process intracavity, sink the mounting structure including the locating part of location stirring piece, and the locating part has the interval that is used for restricting the process end radial runout with the drive end along the axial to fixed more stable to the installation of stirring piece, vibrations and noise among the operation process are less, are favorable to promoting user's use and experience.

Description

Food processing machine

Technical Field

The utility model relates to a food preparation machine field, concretely relates to food preparation machine.

Background

In the existing food processor, a host and a cup cover are arranged above a stirring cup, and a stirring piece is fixed on the cup cover and can be in transmission connection with the host. The driving end of the stirring piece is connected with the host, and the processing end extends into the cup body processing cavity. Food preparation machine has certain problem in the use, on the one hand, has certain concentricity error when installing between stirring piece and the host computer, and the stirring piece is rotatory more unstable, and on the other hand, because the processing end of stirring piece is far away from the fixed position's of stirring piece in the bowl cover distance, the natural frequency of stirring piece itself is crossed lowly, produces resonance with the host computer easily for the stirring piece vibrations and noise are great when the operation. The processing end of the stirring piece is positioned at the bottom of the processing cavity, and food materials roll up and down under the centrifugal force action of the stirring piece to circulate and contact with the stirring knife to be crushed. The existing food processor mainly improves the crushing efficiency by increasing turbulence ribs and the like, and does not adopt a scheme of improving the crushing efficiency by turbulence through a cup cover mounting structure. In the use, the bowl cover diapire only plays the effect of sealing the process chamber, and the edible material that is in upper portion only rolls under stirring piece centrifugal force effect, and the bowl cover diapire is to the edible material that is in upper portion and does not produce the effort, can't exert an influence to improving crushing efficiency. Therefore, the existing food processor still needs to search for further solutions to the problems of poor food material crushing effect, vibration and noise. In the chinese utility model patent with patent No. CN 201911304408.7 and the name of "a safe mixer", though the stirring piece is fixed in the lower extreme of bowl cover, the locating part sets up adjacent with the drive end of stirring piece, still can not solve the unstable problem of stirring piece operation. Although the lower end of the cup cover has a part of protruding structure for installing the limiting part, the part of protruding structure is arranged at the top of the processing cavity, the depth of the part of protruding structure extending into the processing cavity is small, the part of protruding structure cannot act on food materials in the processing process, and the effect of improving the crushing efficiency is not influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve one or more technical problem among the prior art, or provide a profitable selection at least, the utility model provides a food preparation machine, it is fixed more stable to the installation of stirring piece, vibrations and the noise of operation in-process are less, are favorable to promoting user's use and experience.

The utility model provides a food processor, including processing cup subassembly and demountable installation in the host computer of processing cup subassembly, processing cup subassembly includes cup, bowl cover and stirring, and bowl cover detachable installs in the cup, surrounds formation processing chamber with the cup, and the stirring includes drive end and processing end, and the bowl cover still is equipped with the sunken mounting structure that extends towards processing chamber, the bowl cover includes bowl cover and lower bowl cover, the mounting structure that sinks locates bowl cover, stirring pass the mounting structure that sinks and stretch into to the processing intracavity, and the mounting structure that sinks includes the locating part of location stirring piece, and the locating part has the interval that is used for restricting processing end radial runout with the drive end along the axial.

In the food preparation machine of this scheme, arrange the processing cup subassembly in on the host computer, processing cup subassembly includes removable cup and bowl cover and is fixed in the stirring piece in the bowl cover to can accomplish the function of stirring garrulous food. The cup cover is provided with a sinking installation structure extending towards the processing cavity and used for fixing the stirring piece. Set up the locating part and install spacingly to the stirring piece in sunken mounting structure, the center of locating part is the fixed central position of stirring piece promptly, and the processing end of stirring piece is nearer from fixed central position, and the better the stationarity of stirring piece pivoted is, and it is better to eat material cutting effect. Simultaneously, the drive end of stirring piece is connected with the host computer and is formed first fixed position, interval has between locating part and drive end, so that locating part location stirring piece forms the second fixed position, the locating part has axial and radial limiting displacement to the stirring piece, can compensate stirring piece axial and angle direction's installation error, guarantee with the concentricity between the host computer, and eat the displacement that arouses because motor drunkenness etc. in the material processing use, thereby can restrict transmission shaft radial run-out when moving, avoid it to transmit the host computer, take place resonance with the host computer, thereby reduce the vibrations and the noise of complete machine, improve user's use and experience. Moreover, in this scheme, sink the mounting structure through the setting and stretch into the processing intracavity, changed the inner space in processing chamber, provide one kind and utilize bowl cover mounting structure to improve the mode of smashing efficiency. In the range that mounting structure stretches into the degree of depth sinks, the space in processing chamber diminishes, and when eating the material and getting into this part stirring space, the space diminishes and makes to eat the material and receive the extrusion force effect, rolls to the lower space more easily, and the material circulation exchange efficiency of eating in the processing chamber improves, is favorable to improving crushing efficiency. And the food material collides with the sinking installation structure, the vortex flow of circular flow under the action of centrifugal force is disturbed, the contact probability of the food material and the stirring part is increased, and the crushing efficiency is favorably improved.

In a preferred realization of the food processor, the stirring element has a length L1, the center of the limiting element has a length L2 from the drive end in the axial direction, L2: l1 is more than or equal to 0.5.

In the axial direction, the interval between the center of the limiting part and the driving end is at least half of the length of the stirring part. The locating part center is kept away from the drive end and is close to the processing end, and when stirring piece length was unchangeable, the processing end was close more apart from the locating part center, and stirring piece pivoted stationarity is better, and locating part center is far away more with the drive end, is favorable to more limiting the radial runout of stirring piece, alleviates vibrations and noise.

In a preferred embodiment of the food processor, the sink mounting structure comprises a sink groove extending at least into the cup body along the bottom wall of the cup cover, and the bottom wall of the sink groove is provided with a through hole for the stirring element to pass through.

The sinking installation structure comprises a sinking groove, the sinking groove is used for providing installation space for the limiting part and the stirring part, the sinking groove extends into the cup body along the radial direction, the inner wall of the sinking groove has certain limiting effect on the limiting part and the stirring part along the radial direction, the lower sinking groove bottom wall of the processing cavity is divided into the upper processing cavity and the lower processing cavity as a boundary, the upper processing cavity is formed between the side wall of the sinking groove and the inner wall of the cup body, and the crushing space of the upper processing cavity is smaller. In the course of working, be in the edible material on upper portion and get into processing chamber after, the upper portion space diminishes and makes edible material receive the extrusion force effect, rolls to the lower space under stirring piece centrifugal force effect more easily, goes up processing chamber and the improvement of edible material circulation exchange efficiency in the processing chamber down, is favorable to improving crushing efficiency. The food material collides with the side wall of the sink, the vortex flow of the circular flow under the action of the centrifugal force is disturbed, the contact probability of the food material and the stirring piece is increased, and the crushing efficiency is favorably improved.

In a preferred embodiment of the food processor, the sink has a groove depth H1, the height of the processing chamber is H2, H1 is greater than or equal to 1/3: h2 is less than or equal to 2/3.

The ratio of the height of the lower sink groove to the height of the whole processing cavity is defined, the stirring space of the upper processing cavity and the lower processing cavity is defined, the stirring space of the upper processing cavity is too small when the groove depth of the lower sink groove is too small, the effect of improving the circulation exchange efficiency is small, the turbulence effect is not obvious, the stirring space of the lower processing cavity is too small when the groove depth of the lower sink groove is too large, and the processing end of a stirring piece can form interference with the lower sink groove.

In a preferred implementation of the food processor, the limiting part comprises a limiting bearing sleeved on the stirring part and a clamp spring arranged on the stirring part, and the clamp spring is used for positioning the stirring part and the limiting bearing.

A bearing used for supporting the stirring piece is arranged in the sinking groove, radial load possibly generated in the rotating process of the stirring piece is borne, the relative positions of the stirring piece and the bearing are positioned through a snap spring arranged on the stirring piece, the axial and radial movement of the stirring piece is controlled, and the running stability of the stirring piece is ensured.

In a preferred embodiment of the food processor, the sink groove has a groove depth H1, the length of the limit bearing is H3, H3: h1 is less than or equal to 2/3.

The length of the limit bearing is within two thirds of the depth of the sinking groove, so that the limit bearing can be completely installed in the sinking groove, a certain installation space is reserved for the clamp spring, and the stability and the reliability of assembly and fixation are guaranteed.

In a preferred implementation mode of the food processor, a damping sleeve is further arranged in the sinking groove, the limiting part is in clearance fit with the sinking groove, and the damping sleeve is arranged in a clearance between the limiting part and the sinking groove.

Through set up the shock attenuation cover between locating part and sink, utilize the elastic deformation compensation of shock attenuation cover to stir the concentricity error between axial and the angle direction of piece and the motor of host computer to and the influence of motor vibration to stirring a position, the vibration that produces when can buffering stirring piece rotates simultaneously, the conduction of noise reduction.

In a preferred embodiment of the food processor, the damping sleeve comprises a first axial section and a second axial section, the first axial section and the second axial section are connected by a radial connecting section, the radial connecting section abuts against the bottom wall of the sink groove, the first axial section surrounds the limiting member, and the second axial section extends to the through hole and surrounds the stirring member.

The first axial section of shock attenuation cover wraps up in the locating part in the axial, absorb vibration and noise that stirring piece transmission to locating part probably takes place, alleviate the influence to the bowl cover or fuselage even, the cladding of the second axial section of shock attenuation cover is in the stirring piece, can spacing stirring piece and through-hole position, alleviate the friction of stirring piece to the through-hole, and the transmission of taking place vibrations between the through-hole, the radial link butt in the diapire of sink tank, the distance between locating part and the sink tank bottom wall, avoid the locating part direct contact sink tank, on the other hand is in through-hole position department, absorb the vibrations that stirring piece striking sink tank produced.

In a preferred implementation mode of the food processor, a transition step groove is formed between the sunken groove and the bottom wall of the cup cover.

Through set up transition step groove between heavy groove and bowl cover diapire for strengthen the joint strength between the two, avoid heavy groove along bowl cover diapire to form the linkage segment of perpendicular angle, probably produce certain effort or stirring piece self action of gravity to the heavy groove at the high-speed rotatory in-process of stirring, have certain deformation or cracked risk.

In a preferred implementation mode of the food processor, the upper end of the cup cover is provided with a positioning groove for installing the main machine, the driving end of the stirring piece extends out of the positioning groove to be in transmission connection with the main machine, and a spacing cavity for accommodating part of the stirring piece is arranged between the positioning groove and the sinking installation structure.

Carry out the installation location of host computer through setting up the constant head tank at the bowl cover, the drive end of stirring piece stretches out from the constant head tank simultaneously and is connected with the host computer transmission, and the constant head tank forms the first fixed position of fixed stirring piece drive end, and the second fixed position of the fixed stirring piece of mounting structure formation that sinks, constant head tank and the compartment between the mounting structure that sinks can hold part stirring piece to make locating part and drive end have certain interval along the axial.

Drawings

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

fig. 1 is a schematic structural view of a food processor according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the lower cup cover in an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a bearing according to an embodiment of the present invention.

Fig. 4 is an enlarged view of a point a in fig. 1.

Description of the reference numerals:

1-a cup body;

2-a cup cover; 21-upper cup cover; 22-lower cup cover; 221-positioning grooves; 23-a stop; 231-limit bearings; 232-clamp spring; 24-sinking the tank; 241-through holes; 25-a shock-absorbing sleeve; 251-a first axial segment; 252-a second axial segment; 253-a radial connecting section; 26-a transition step groove;

3-stirring the components; 31-a drive shaft; 32-stirring knife; 33-a drive end; 34-a processing end;

4-antiskid shock pad.

Detailed Description

In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example with reference to the accompanying drawings.

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

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected by the transition structure, but connected by the connection structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 are not necessarily intended to 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.

First, the technical concept of the present invention will be explained. The drive end of stirring piece is connected with the host computer and is formed first fixed position, the interval has between locating part and drive end, so that locating part location stirring piece forms the second fixed position, the locating part has axial and radial limiting displacement to the stirring piece, can compensate stirring piece axial and angle direction's installation error, guarantee and the host computer between the concentricity, and because the displacement that causes such as motor drunkenness in the edible material processing use, thereby can restrict the transmission shaft radial runout when moving.

The specific scheme is as follows:

the utility model provides a food processor, as shown in fig. 1-4, in an embodiment, food processor includes processing cup subassembly and demountable installation in the host computer of processing cup subassembly, and processing cup subassembly includes cup 1, bowl cover 2 and stirring piece 3, and bowl cover 2 detachable installs in cup 1, surrounds with cup 1 and forms the process chamber. The upper end of the cup cover 2 is provided with a positioning groove 221 for installing a host machine, and the host machine is inserted in the positioning groove 221. Stirring member 3 includes transmission shaft 31 of being connected with the host computer transmission and locates the stirring sword 32 of transmission shaft 31 bottom, and the drive end 33 is located the link that transmission shaft 31 and host computer are connected, and drive end 33 stretches out from constant head tank 221 and carries out the transmission with the host computer and be connected, and stirring sword 32 is located to processing end 34. Bowl cover 2 still is equipped with the mounting structure that sinks towards the extension of process chamber, and stirring piece 3 passes the mounting structure that sinks and stretches into to the process intracavity, and the mounting structure that sinks includes locating mixing piece 3's locating part 23, and locating part 23 and drive end 33 have the interval that is used for restricting processing end 34 radial runout along the axial. The drive end 33 of stirring element 3 extends from detent 221 for driving connection with the host, and a compartment is provided between detent 221 and the sink mounting structure for receiving a portion of stirring element 3. Carry out the installation location of host computer through setting up constant head tank 221 at bowl cover 2, constant head tank 221 forms the first fixed position of the drive end 33 of fixed stirring piece simultaneously, and the mounting structure that sinks forms the second fixed position of fixed stirring piece 3, constant head tank 221 and the compartment between the mounting structure that sinks can hold part stirring piece 3 to make locating part 23 and drive end 33 have certain interval along the axial.

In one embodiment, the bowl cover 2 includes bowl cover 21 and lower bowl cover 22, and the cup 1 is equipped with the installation step, and bowl cover 22 diapire butt is in the installation step down, and bowl cover 21 is located to constant head tank 221, and the mounting structure that sinks is located bowl cover 22 forms the compartment down between bowl cover 21 and the lower bowl cover 22.

It will be understood, of course, that when only a single lid structure is provided, it is also possible to provide a lid that extends downwardly to form different channel structures for receiving the host and to form a sink mounting structure.

In the food preparation machine of this scheme, arrange processing cup subassembly in on the host computer, processing cup subassembly includes removable cup 1 and bowl cover 2 and is fixed in stirring piece 3 in bowl cover 2 to can accomplish the function of stirring garrulous food. The stirring part 3 is fixed by arranging a sinking installation structure extending towards the processing cavity on the cup cover 2. Set up locating part 23 and install spacingly to stirring piece 3 in sunken mounting structure, the center of locating part 23 is the fixed central point of stirring piece 3 promptly, and the processing end 34 of stirring piece 3 is nearer apart from fixed central point, and stirring piece 3 pivoted stationarity is better, and the edible material cutting effect is better. Meanwhile, the driving end 33 of the stirring part 3 is connected with the host to form a first fixed position, an interval is arranged between the limiting part 23 and the driving end 33, so that the limiting part 23 can position the stirring part 3 to form a second fixed position, the limiting part 23 has axial and radial limiting effects on the stirring part 3, the axial and angle direction installation errors of the stirring part 3 can be compensated, the concentricity between the host and the limiting part is ensured, and the displacement caused by motor play and the like in the food processing and using process is avoided, so that the radial run-out of the transmission shaft 31 during operation is limited, the host is prevented from being transmitted, the host resonates, the vibration and noise of the whole machine are reduced, and the use experience of a user is improved.

As shown in fig. 1, in one embodiment, the stirring member 3 has a length L1, the center of the limiting member 23 has a length L2 from the driving end 33 in the axial direction, and L2: l1 is more than or equal to 0.5.

In the axial direction, the spacing between the center of the limiting member 23 and the driving end 33 is at least half of the length of the stirring member 3. The center of the limiting part 23 is far away from the driving end 33 and is close to the processing end 34, when the length of the stirring part 3 is unchanged, the closer the processing end 34 is to the center of the limiting part 23, the better the rotation stability of the stirring part 3 is, and the farther the center of the limiting part 23 is from the driving end 33, the more beneficial to limiting the radial runout of the stirring part 3 and reducing vibration and noise.

As shown in fig. 1-2, in one embodiment, the sink mounting structure includes a sink groove 24 extending along the bottom wall of the lid 2 at least into the cup body 1, a stopper 23 is disposed in the sink groove 24, and the bottom wall of the sink groove 24 is provided with a through hole 241 for the stirring part 3 to pass through.

The sinking installation structure comprises a sinking groove 24, the sinking groove 24 is used for providing installation space for the limiting part 23 and the stirring part 3, the sinking groove 24 extends into the cup body 1 along the radial direction, the inner wall of the sinking groove has certain limiting effect on the limiting part 23 and the stirring part 3 along the radial direction, in addition, the bottom wall of the sinking groove 24 below the processing cavity is divided into an upper processing cavity and a lower processing cavity as a boundary, an upper processing cavity is formed between the side wall of the sinking groove 24 and the inner wall of the cup body 1, and the crushing space of the upper processing cavity is smaller. In the course of working, be in the edible material on upper portion and get into processing chamber after, the upper portion space diminishes and makes edible material receive the extrusion force effect, rolls to the lower space under the effect of 3 centrifugal forces of stirring piece more easily, goes up processing chamber and the improvement of edible material circulation exchange efficiency in the processing chamber down, is favorable to improving crushing efficiency. The food material collides with the side wall of the sink, the vortex flow of the circular flow under the action of the centrifugal force is disturbed, the contact probability of the food material and the stirring piece is increased, and the crushing efficiency is favorably improved. As shown in FIG. 1, in one embodiment, the sink groove has a groove depth H1, the height of the processing cavity is H2, and 1/3 ≦ H1: h2 is less than or equal to 2/3.

The height through the restriction sink 24 highly accounts for the ratio of whole process chamber height, prescribes a limit to the stirring space of process chamber and lower process chamber, and sink 24's groove depth is too little, goes up process chamber stirring space and is too little, and is less to the effect that promotes circulation exchange efficiency, and the vortex effect is not obvious, if sink 24's groove depth is too big, the stirring space undersize of lower process chamber, and the processing end 34 of stirring piece 3 probably forms with sink 24 and interferes. As shown in fig. 1 to 4, in one embodiment, the limiting member 23 includes a limiting bearing 231 sleeved on the stirring member 3 and a snap spring 232 disposed on the stirring member 3, and the snap spring 232 is used for positioning the stirring member 3 and the limiting bearing 231. The center of the limit bearing 231 is the fixed center of the stirring part 3 in the sink mounting structure. The limit bearing 231 is an oil-retaining bearing, an inner hole of the limit bearing is in clearance fit with the transmission shaft 31, and a gasket is further arranged between the clamp spring 232 and the bearing.

The bearing for supporting the stirring part 3 is arranged in the sunken groove 24, the bearing bears the radial load which is possibly generated by the stirring part 3 in the rotating process, the relative positions of the stirring part 3 and the bearing are positioned through the snap spring 232 arranged on the stirring part 3, the axial and radial movement of the stirring part 3 is controlled, and the stability of the operation of the stirring part 3 is ensured.

As shown in fig. 1-3, in one embodiment, the sink 24 has a groove depth H1, the limit bearing 231 has a length H3, H3: h1 is less than or equal to 2/3.

The length of limit bearing 231 is in two-thirds of the depth of sink groove 24 for limit bearing 231 can be packed into sink groove 24 completely, and reserve certain installation space for jump ring 232, guarantee the fixed reliable and stable nature of assembly.

As shown in fig. 1 and 4, in one embodiment, a damping sleeve 25 is further disposed in the sink 24, the limiting member 23 is in clearance fit with the sink 24, and the damping sleeve 25 is disposed in a clearance between the limiting member 23 and the sink 24. The shock-absorbing sleeve 25 is made of flexible silica gel.

Through set up damping sleeve 25 between locating part 23 and sink 24, utilize damping sleeve 25's elastic deformation compensation stirring piece 3 axial and the concentricity error between the motor of angular direction and host computer to and the influence of motor vibration to stirring piece 3 position, the vibration that produces when can cushion stirring piece 3 simultaneously rotates reduces the conduction of noise.

As shown in fig. 1 and 4, in one embodiment, the damping sleeve 25 includes a first axial section 251 and a second axial section 252, the first axial section 251 and the second axial section 252 are connected by a radial connecting section 253, the radial connecting section 253 abuts against the bottom wall of the sink groove 24, and the lower end surface of the limit bearing 231 is axially limited by the radial connecting section 253. The first axial segment 251 surrounds the retaining member 23, and the second axial segment 252 extends to the through hole 241 and surrounds the stirring member 3. Preferably, the first axial section 251 extends at least as far as the circlip 232 in height, and the second axial section 252 extends to the through hole 241 and can partially protrude from the through hole 241.

The first axial section 251 of the damping sleeve 25 is wrapped on the limiting part 23 in the axial direction, the vibration and noise which are possibly generated when the stirring part 3 is transmitted to the limiting part 23 are absorbed, the influence on the cup cover 2 or even the machine body is reduced, the second axial section 252 of the damping sleeve 25 is wrapped on the stirring part 3, the positions of the stirring part 3 and the through hole 241 can be limited, the friction of the stirring part 3 on the through hole 241 is reduced, the vibration is transmitted between the stirring part 3 and the through hole 241, the radial connecting end is abutted to the bottom wall of the sink groove 24, the distance between the limiting part 23 and the bottom wall of the sink groove 24 is avoided, the limiting part 23 is prevented from directly contacting the sink groove 24, and on the other hand, the vibration generated when the stirring part 3 collides with the sink groove 24 is absorbed at the position of the through hole 241.

In one embodiment, as shown in fig. 1-2, a transition step groove 26 is formed between the sink groove 24 and the bottom wall of the cap 2. The bottom wall of the cup cover 2 extends downwards to form a contracted stepped groove hole, the upper part of the stepped groove hole is a transition stepped groove 26 with smaller axial height, and the lower part of the stepped groove hole is a lower sinking groove 24 capable of being provided with a limiting piece 23. The side wall of the transition step groove 26 is arc-shaped, and the sinking groove 24 is in arc-shaped transition connection with the bottom wall of the cup cover 2.

Through set up transition step groove 26 between 2 diapire at sink groove 24 and bowl cover for strengthen the joint strength between the two, avoid sink groove 24 to form the linkage segment of perpendicular angle along 2 diapire of bowl cover, probably produce certain effort or the stirring 3 self action of gravity to sink groove 24 at the high-speed rotatory in-process of stirring 3, have certain deformation or cracked risk.

In one embodiment, as shown in fig. 1, the bottom of the cup body 1 is further provided with an anti-skid shock pad 4.

The utility model discloses mounting structure sinks's assembly order does: firstly, the transmission shaft 31 and the limit bearing 231 are installed in a matched mode and fixed through the clamp spring 232; then, the limiting bearing 231 is pre-installed in the damping sleeve 25, and the limiting bearing 231 and the damping sleeve 25 are installed in an interference fit manner; after the two pieces are assembled, they are placed together in sink 24.

The technical solution protected by the present invention is not limited to the above embodiments, and it should be noted that the technical solution of any one embodiment is combined with the technical solution of one or more other embodiments in the protection scope of the present invention. Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (10)

1. The utility model provides a food processor, includes processing cup subassembly and demountable installation in the host computer of processing cup subassembly, processing cup subassembly includes cup, bowl cover and stirring piece, bowl cover detachable install in the cup, with the cup surrounds formation process chamber, its characterized in that, the stirring piece includes drive end and processing end, the bowl cover lower extreme still is equipped with the orientation the sunken mounting structure that process chamber extends, the bowl cover includes bowl cover and lower bowl cover, the mounting structure that sinks locates down the bowl cover, the stirring piece passes the mounting structure that sinks stretches into to the process intracavity, the mounting structure that sinks is including the location the locating part of stirring piece, the locating part with the drive end has along the axial and is used for the restriction the interval of processing end radial runout.

2. A food processor as claimed in claim 1, wherein the stirring element has a length L1, and the center of the stop element has a length L2 from the drive end in the axial direction, L2: l1 is more than or equal to 0.5.

3. The food processor of claim 1, wherein the sink mounting structure includes a sink channel extending along the lid bottom wall at least into the cup body, the sink channel bottom wall being provided with a through hole for passage of an agitator.

4. The food processor of claim 3, wherein the sink trough has a trough depth of H1, a height of the bottom of the sink trough from the bottom wall of the processing chamber of L3, a height of the processing chamber of H2, H1/3 ≦ H1: h2 is less than or equal to 2/3.

5. The food processor of claim 2, wherein the limiting member comprises a limiting bearing sleeved on the stirring member and a snap spring provided on the stirring member, the snap spring being configured to position the stirring member and the limiting bearing.

6. The food processor of claim 3, wherein the limiting member comprises a limiting bearing sleeved on the stirring member, the sink groove has a depth H1, and the limiting bearing has a length H3, H3: h1 is less than or equal to 2/3.

7. The food processor of claim 3, wherein the sink slot further includes a shock absorbing sleeve disposed therein, the retainer is in clearance fit with the sink slot, and the shock absorbing sleeve is disposed in a clearance between the retainer and the sink slot.

8. The food processor as defined in claim 7, wherein the damping sleeve includes a first axial segment and a second axial segment, the first axial segment and the second axial segment are connected by a radial connecting segment, the radial connecting segment abuts against the bottom wall of the sink, the first axial segment surrounds the retaining member, and the second axial segment extends to the through hole and surrounds the stirring member.

9. The food processor of claim 3, wherein a transition step groove is provided between the sink groove and the lid bottom wall.

10. The food processor of claim 1, wherein the upper end of the lid defines a retaining groove for receiving the base unit, the drive end of the stirring element extends from the retaining groove for driving engagement with the base unit, and a compartment is defined between the retaining groove and the sink mounting structure for receiving a portion of the stirring element.

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