CN215687233U - Food processor with reliable triggering - Google Patents

Abstract

The utility model relates to the technical field of food processing machines, and discloses a food processing machine with reliable triggering, which comprises: the inner bottom wall of the processing cup component is provided with a positioning shaft; the main machine is arranged above the processing cup assembly; the machining cutter assembly is detachably pivoted to the positioning shaft and is in transmission connection with the host machine, and the machining cutter assembly is provided with a mounting hole matched with the positioning shaft; the processing cutter assembly is provided with a working position which is arranged along the axial direction, and a locking assembly which limits the processing cutter assembly in the working position is arranged between the processing cutter assembly and the positioning shaft. According to the food processor, the processing knife assembly is stably installed, the situation of being jacked up or inclined cannot occur, and a user can assemble the food processor more conveniently in the using process.

Description

Food processor with reliable triggering

Technical Field

The utility model relates to the field of food processing machines, in particular to a food processing machine with reliable triggering.

Background

Along with the improvement of living standard of people, the demand of making meat at home is increasing, and a food processor for mincing meat blocks into meat stuffing is also produced. The food processor can be used for not only mincing meat, but also mincing foods such as peanuts, green onions, garlic and the like, and is deeply popular with families.

In the conventional food processor, a main machine is located above a processing cup assembly, a processing cutter assembly is firstly mounted on the processing cup assembly, and the main machine is mounted on the processing cup assembly after food materials are put into the processing cutter assembly. When some blocky hard food materials are put in, the food materials roll to the lower part of the processing cutter assembly, the processing cutter assembly is subjected to the upward jacking action of the food materials, the processing cutter assembly is unstable in installation, the skew condition easily occurs, the adjustment by hands is needed, and the use experience of a user is influenced.

Disclosure of Invention

To solve one or more of the technical problems of the prior art or to at least provide a useful alternative, the present invention provides a food processor with reliable triggering, stable installation of the processing knife assembly, no jacking or tilting, and more convenient assembly during use by the user.

The utility model provides a food processor with reliable triggering, comprising: the inner bottom wall of the processing cup component is provided with a positioning shaft; the main machine is arranged above the processing cup assembly; the processing cutter assembly is detachably pivoted to the positioning shaft and is in transmission connection with the host; the processing cutter assembly is provided with a working position which is arranged along the axial direction, and a locking assembly which limits the processing cutter assembly in the working position is arranged between the processing cutter assembly and the positioning shaft.

The food processor of the utility model is characterized in that the main machine is arranged above the processing cup component. Before use, the processing cutter assembly is pivoted on the positioning shaft. Then, install the host computer in processing cup subassembly, carry out the transmission with host computer and processing sword subassembly simultaneously and be connected. Through set up the locking Assembly between processing knife tackle spare and location axle, can inject processing knife tackle spare in the axial height within range of work position, guarantee the stability locking Assembly of processing knife tackle spare installation and can avoid when putting into some cubic stereoplasm materials of eating, eat the below that material rolls to processing knife tackle spare, processing knife tackle spare receives the effect of the top of eating the material, takes place to scurry or the circumstances of slope.

In a preferred embodiment of the food processor with reliable triggering, the main machine has an assembly position in which the processing cup assembly is mounted in position for electrical communication, and the main machine can be brought into the assembly position with the processing knife assembly in the working position.

The host computer just can realize the electric conduction when putting in place with processing cup subassembly installation, when being favorable to avoiding user's maloperation, directly is connected processing knife tackle spare and host computer and the condition of mistake injury people. In the axial height scope of guaranteeing that processing knife tackle spare is located the work position, the host computer can from top to bottom install to the assembly position, and processing knife tackle spare can carry out effective transmission with the host computer and be connected to avoid processing knife tackle spare to be withstood, lead to the unable downstream of host computer to the assembly position, the problem of unpowered appears.

In a preferred embodiment of the food processor with reliable triggering, the locking assembly is a radially arranged locking structure. The locking structure arranged along the radial direction can ensure the reliability of locking the machining cutter assembly at the working position, and has simple structure and convenient installation.

In a preferred implementation of the food processor with reliable triggering, the processing cutter assembly is provided with a mounting hole matched with the positioning shaft, the locking assembly comprises a limiting bulge arranged along the radial direction and a limiting groove matched with the limiting bulge, one of the limiting bulge and the limiting groove is arranged on the inner wall of the mounting hole, and the other of the limiting bulge and the limiting groove is arranged on the outer wall of the positioning shaft.

The mounting hole of the processing cutter assembly is in pivot joint with the positioning shaft, so that the processing cutter assembly can rotate around the positioning shaft. The locking assembly comprises a limiting protrusion and a limiting groove which are radially arranged, the processing cutter assembly is assembled with the positioning shaft in the process, the processing cutter assembly is pressed into the limiting groove from the limiting protrusion, the limiting locking between the processing cutter assembly and the positioning shaft is achieved, the assembly is convenient, and the structure is simple and reliable.

In a preferred implementation of a food processor with reliable triggering, the limiting protrusion is arranged on the inner wall of the mounting hole, and the limiting groove is an annular groove surrounding the outer wall of the positioning shaft.

The limiting groove is arranged on the inner wall of the mounting hole, so that food residues can enter the mounting hole, the food residues are difficult to clean, and the sanitation of the processing cutter assembly is influenced. So compare in aforementioned circumstances, the mode of location axle outer wall is located to the spacing groove, and it is more convenient to wash, and is more sanitary, is favorable to promoting user's use and experiences.

In a preferred implementation mode of the food processor with reliable triggering, the inner wall of the mounting hole extends along the radial direction to form a mounting groove, the limiting bulge is arranged in the mounting groove, the locking assembly further comprises a first elastic piece arranged in the mounting groove along the radial direction, and the first elastic piece can push the limiting bulge to move towards the limiting groove; or the limiting bulge is an elastic limiting bulge.

The mounting groove has the guide effect, and the mounting groove is located to spacing arch to along the motion of mounting groove wall. Under the action of the elastic force of the first elastic piece, the limiting protrusion is pushed into the limiting groove in an abutting mode, and the matching is stable and reliable. The first elastic piece or the elastic limiting protrusion enables the assembling process of the first elastic piece or the elastic limiting protrusion and the limiting groove to be soft assembling, abrasion of the locking structure is small, and the service life is long.

In a preferred embodiment of the food processor with reliable triggering, the stop lug is of integral construction with the inner wall of the mounting opening.

The limiting protrusion and the processing cutter assembly are integrally designed, the structure is simple, the processing and assembling procedures are saved, and the assembling efficiency is improved.

In the preferred implementation mode of a food preparation machine of reliable triggering, processing knife tackle spare includes blade and transmission shaft subassembly, and the blade is equipped with well cavity, and transmission shaft subassembly is located well cavity and can be followed axial motion, and when processing knife tackle spare was installed in the location axle, the location axle supported and pushed away transmission shaft subassembly axial upward movement to being connected with the host computer.

The transmission shaft subassembly natural state whereabouts, and at the in-process of assembling with the location axle, the butt is in the up end of location axle, and the user carries out the in-process of spacing locking through pushing down the processing cutter subassembly, and the transmission shaft subassembly moves along the axial upwards to can be connected with the host computer. Therefore, the machining cutter set can be connected with the host machine only when being installed on the positioning shaft, and the situation that the machining cutter is exposed to hurt people when the machining cutter assembly is directly installed on the host machine can be avoided.

In a preferred implementation mode of triggering reliable food processor, the transmission shaft assembly comprises a transmission shaft connected with the transmission of the host machine and a second elastic piece arranged along the axial direction, the transmission shaft is provided with a limiting step part, and the second elastic piece is axially abutted against the limiting step part and sleeved on the periphery of the transmission shaft.

Through setting up the second elastic component, absorb the vibrations that cause because of the installation is unstable between the high-speed rotatory in-process of transmission shaft and the host computer, be favorable to vibration/noise reduction, improve user's experience and feel. Moreover, under the condition of uncovering, the transmission shaft is pressed downwards through the elastic force of the second elastic piece, the transmission shaft is separated from the host, the host in the working process is prevented from being taken down by misoperation of a user, the situation that the processing knife is taken out is avoided, and the use safety of the user is improved.

In a preferred embodiment of the food processor with reliable triggering, the lower end of the drive shaft assembly forms a first abutment extending in the radial direction, and the hollow chamber wall extends in the radial direction to form a second abutment axially cooperating with the first abutment.

The transmission shaft subassembly can be at the cavity intracavity of blade along axial motion, and in order to avoid it to drop from the blade is inside, is equipped with along the first butt portion of axial extension at transmission shaft subassembly lower extreme, and at the in-process that falls down, can the butt in the blade in the cavity wall along radially extending second butt portion to with the minimum height of spacing transmission shaft, guarantee transmission shaft subassembly and the state that the blade remains the cooperation installation throughout.

Drawings

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

FIG. 1 is a schematic diagram of a food processor according to an embodiment of the present invention;

FIG. 2 is a schematic view of the construction of a processing cup assembly and a processing blade assembly in accordance with an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a first schematic structural view of a processing cup assembly in accordance with one embodiment of the present invention;

FIG. 5 is a schematic view of a positioning shaft according to an embodiment of the present invention;

FIG. 6 is a schematic view of a machining tool assembly according to an embodiment of the present invention;

FIG. 7 is a first schematic structural diagram of a first limiting protrusion according to an embodiment of the present invention;

FIG. 8 is a second schematic structural view of a limiting protrusion according to an embodiment of the present invention;

FIG. 9 is a schematic structural view of a bushing in accordance with an embodiment of the present invention;

FIG. 10 is a second schematic structural view of a processing cup assembly in accordance with an embodiment of the present invention;

FIG. 11 is an enlarged view at B of FIG. 10;

FIG. 12 is a third schematic structural view of a processing cup assembly in accordance with an embodiment of the present invention;

fig. 13 is an enlarged view at C in fig. 12.

Description of reference numerals:

1. processing the cup assembly; 11. a cup body; 12. a cup cover; 121. a trigger; 13. positioning the shaft; 131. a limiting groove; 132. a first limit ring groove; 133. looping ribs; 14. a seal ring; 15. a gasket; 16. a screw;

2. a host; 21. a microswitch;

3. processing a cutter assembly; 31. a shaft sleeve; 311. mounting holes; 312. mounting grooves; 313. a second abutting portion; 314. a second limit ring groove; 32. a limiting bulge; 321. blind holes; 33. a first elastic member; 34. a blade body; 35. a driveshaft assembly; 351. a drive shaft; 3511. a limiting step part; 352. a connecting shaft; 3521. a first abutting portion; 353. a second elastic member.

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 in conjunction with 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 is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate orientations and 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 through a transition structure, but connected through a connection structure to form a whole. 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 present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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 utility model. 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.

The specific scheme is as follows:

the present invention provides a food processor with reliable triggering, as shown in fig. 1-3, comprising in one embodiment: the processing device comprises a processing cup assembly 1, a main machine 2 and a processing cutter assembly 3. Processing cup subassembly 1 includes cup 11 and bowl cover 12, and the inner bottom wall of cup 11 is equipped with location axle 13, and the inner bottom wall of cup 11 is equipped with the screw hole of installation location axle 13, and location axle 13 passes through screw 16 to be fixed in the screw hole. The screw sealing device further comprises a sealing ring 14 and a gasket 15, and the screw 16 and the screw hole are sealed through the sealing ring 14. The host machine 2 is arranged above the processing cup component 1, the cup cover 12 is provided with an installation part for installing the host machine 2, and the upper end of the host machine 2 is provided with a control button.

The processing cutter assembly 3 is detachably pivoted on the positioning shaft 13, the processing cutter assembly 3 is in transmission connection with the host machine 2, and before the processing cutter assembly 3 is used, the processing cutter assembly 3 is firstly pivoted on the positioning shaft 13. Then, install host computer 2 in processing cup subassembly 1, carry out the transmission with host computer 2 and processing sword subassembly 3 simultaneously and be connected. The processing cutter assembly 3 is provided with a working position which is arranged along the axial direction, and a locking assembly which limits the processing cutter assembly 3 in the working position is arranged between the processing cutter assembly 3 and the positioning shaft 13. Through set up the locking Assembly between processing knife tackle spare 3 and location axle 13, can inject processing knife tackle spare 3 in the axial height within range of work position, guarantee the stability of processing knife tackle spare installation. The locking assembly can prevent food materials from rolling down below the processing cutter assembly 3 when some blocky hard food materials are put in, and the processing cutter assembly 3 is subjected to the upward jacking effect of the food materials and is subjected to the upward channeling or inclining condition.

As shown in fig. 1, in one embodiment, the main machine 2 has an assembly position in which it is mounted in position with the processing cup assembly 1 for electrical communication, and the main machine 2 can reach the assembly position with the processing blade assembly 3 in the working position. In order to ensure the safety of use, the main machine 2 is generally provided with a safety protection device to prevent the main machine 2 from being started in a state that the processing cup assembly 1 is not completely installed, so that the processing knife assembly 3 accidentally rotates to hurt people. In one embodiment, the safety protection device is a trigger 121 arranged on the cup cover 12 and a micro switch 21 arranged on the main machine 2, the trigger and the micro switch 21 are in trigger cooperation, the micro switch 21 and the whole machine switch are connected in series to form a second switch, and when the two switches are triggered simultaneously, the whole machine can operate, so that the safety protection effect is achieved.

The main machine 2 can trigger the microswitch 21 to realize electric conduction when being installed in place with the processing cup component 1, and is beneficial to avoiding the condition that a user is accidentally injured by directly connecting the processing cutter component 3 with the main machine 2 when the misoperation of the user is avoided. In the axial height scope of guaranteeing that processing knife tackle spare 3 is located the work position, host computer 2 can from top to bottom install to the assembly position to avoid processing knife tackle spare 3 to be withstood, lead to the unable downstream of host computer 2 to the assembly position, the problem of no circular telegram appears.

As shown in fig. 2-3 and 6, in one embodiment, the locking assembly is a locking structure arranged along the radial direction, and before preparing to make the food material, the processing cutter assembly can be manually installed on the positioning shaft along the axial direction, and the processing cutter assembly is locked at the working position through interference of the locking assembly on the processing cutter assembly along the axial direction. As shown in fig. 2 to 3 and 6, in one embodiment, the processing cutter unit 3 is provided with a mounting hole 311 engaged with the positioning shaft 13, the processing cutter unit 3 includes a sleeve 31 connected to the positioning shaft 13, and the sleeve 31 has a through hole penetrating vertically, which is the mounting hole 311. Under the high-speed rotation state, the inner wall of the cutter body 34 is easy to wear, and the service life of the processing cutter can be prolonged by using the shaft sleeve 31. The locking assembly comprises a limiting protrusion 32 arranged along the radial direction and a limiting groove 131 matched with the limiting protrusion 32, one of the limiting protrusion 32 and the limiting groove 131 is arranged on the inner wall of the mounting hole 311, and the other of the limiting protrusion 32 and the limiting groove 131 is arranged on the outer wall of the positioning shaft 13.

The mounting hole 311 of the processing cutter assembly 3 is pivotally connected to the positioning shaft 13, so that the processing cutter assembly 3 can rotate around the positioning shaft 13. The locking assembly comprises a limiting protrusion 32 and a limiting groove 131 which are radially arranged, the processing cutter assembly 3 is assembled in the positioning shaft 13, the processing cutter assembly 3 is pressed into the limiting groove 131 through the limiting protrusion 32, and limiting locking between the processing cutter assembly 3 and the positioning shaft 13 is achieved.

As shown in fig. 2 to 3, in one embodiment, the limiting protrusion 32 is disposed on the inner wall of the mounting hole 311, and the limiting groove 131 is an annular groove surrounding the outer wall of the positioning shaft 13. The limiting protrusion 32 is a single protrusion or a plurality of protrusions uniformly distributed along the axial direction or a continuous annular protrusion. The top of the limit projection 32 is spherical. The manner of disposing the limiting groove 131 on the inner wall of the mounting hole 311 may cause food residue to enter the mounting hole 311, which may make cleaning difficult and affect the sanitation of the processing blade assembly 3. So compare in aforementioned circumstances, the mode that location axle 13 outer wall was located to spacing groove 131, it is more convenient to wash, and is more sanitary, is favorable to promoting user's use experience.

As shown in fig. 2-3 and 6, in one embodiment, the inner wall of the mounting hole 311 extends radially to form a mounting groove 312, the limiting protrusion 32 is disposed in the mounting groove 312, the locking assembly further includes a first elastic member 33 disposed in the mounting groove 312 radially, and the first elastic member 33 can push the limiting protrusion 32 to move toward the limiting groove 131. The mounting groove 312 has a guiding function, and the limiting protrusion 32 is arranged on the mounting groove 312 and moves along the wall of the mounting groove 312. Under the action of the elastic force of the first elastic member 33, the limiting protrusion 32 is pushed into the limiting groove 131, and the matching is stable and reliable. Further, the axial section of the limiting protrusion 32 is in a shape of a Chinese character 'tu', a first step portion extending along the radial direction is provided, the mounting groove 312 is provided with a second step portion corresponding to the first step portion of the limiting protrusion 32, the distance from the first step portion to the top of the limiting protrusion 32 is L1, the distance from the second step portion to the inner wall of the mounting hole 311 is L2, and the protruding height of the limiting protrusion 32 is L1-L2. The groove depth of the limiting groove 131 is greater than or equal to the convex height of the limiting protrusion 32. As shown in fig. 7, the bottom of the limiting protrusion 32 is further provided with a blind hole 321 for installing the first elastic member 33, which is beneficial to preventing the first elastic member 33 from being deflected and locked during the deformation process.

Referring to fig. 8, in one embodiment, the position-limiting protrusion 32 is disposed in the mounting groove 312, and is an elastic position-limiting protrusion 32. The first elastic member 33 or the elastic limit protrusion 32 enables the assembling process with the limit groove 131 to be soft assembling, the abrasion of the locking structure is small, and the service life is long.

As shown in fig. 9 to 11, in one embodiment, the limiting protrusion 32 is integrated with the inner wall of the mounting hole 311. The limiting bulge 32 and the processing cutter assembly 3 are integrally designed, the structure is simple, the processing and assembling procedures are saved, and the assembling efficiency is improved.

Further, the limiting protrusions 32 are arranged in a plurality and are evenly distributed along the circumferential direction of the inner wall of the mounting hole 311. The number of the limiting protrusions 32 is 3-6. Along a plurality of spacing archs 32 of mounting hole 311 inner wall circumference evenly distributed form annular structure, and is corresponding, spacing groove 131 be annular spacing groove 131, on the one hand, through increasing spacing protruding 32's quantity, can increase the structural stability of locking Assembly, and on the other hand, the cooperation structural style that circumference encircleed makes spacing locking structural strength high, more reliable. It is understood that the limiting protrusion 32 may also be configured as an annular limiting protrusion axially disposed along the inner wall of the mounting hole 311, and engaged with the annular limiting groove 131.

As shown in fig. 12 and 13, in one embodiment, the locking assembly includes a first limiting ring groove 132 formed in an outer wall of the positioning shaft 13, a second limiting ring groove 314 formed in an inner wall of the mounting hole 311 and engaged with the first limiting ring groove 132, and a ring rib 133, wherein the ring rib 133 is an elastic ring rib and disposed around the first limiting ring groove 132, an axial height of the ring rib 133 is equal to a height of the first limiting ring groove 132, and a radial thickness of the ring rib 133 is greater than a depth of the first limiting ring groove 132. In the installation cooperation process, firstly, the annular rib 133 is sleeved on the first limiting ring groove 132, then the processing cutter assembly 3 is assembled on the positioning shaft 13, the processing cutter assembly 3 is pressed downwards to the working position, the annular rib 133 is embedded into the second limiting ring groove 314, the second limiting ring groove 314 and the second limiting ring groove 314 form axial limiting locking, and the stability of the processing cutter assembly 3 in the axial direction can be kept. The annular ribs are wear-resistant elastic pieces, so that the positioning shaft and the mounting hole can be conveniently installed in a matched mode through deformation of the elastic pieces; on the other hand, the non-contact mode between the positioning shaft 13 and the mounting hole 311 avoids failure of the locking structure caused by abrasion in the high-speed rotation process, and the service life of the whole machine can be prolonged.

As shown in fig. 2-3 and 6, in one embodiment, the processing knife assembly 3 includes a knife body 34 and a transmission shaft assembly 35, the knife body 34 is provided with a hollow cavity, and the transmission shaft assembly 35 is provided in the hollow cavity and can move along the axial direction. The driveshaft assembly 35 includes a reset position and a connected position. The assembly 35 of the transmission shaft 351 naturally falls to the reset position by its own weight or, in one embodiment, by the depression of the elastic member. When the processing cutter assembly 3 is mounted on the positioning shaft 13, the positioning shaft 13 pushes the transmission shaft assembly 35 to move axially upwards to a connection position so as to be connected with the host machine 2.

The transmission shaft assembly 35 falls down under the natural state, and in the process of assembling with the positioning shaft 13, the butt is at the up end of the positioning shaft 13, and the user carries out the in-process of spacing locking through pushing down the processing cutter assembly 3, and the transmission shaft assembly 35 moves upwards along the axial direction, thereby being capable of being connected with the host machine 2. Therefore, the machining cutter assembly 3 can be connected with the main machine 2 only in the state of being mounted on the positioning shaft 13, and the situation that the machining cutter is exposed to hurt people when the machining cutter assembly 3 is directly mounted on the main machine 2 can be avoided.

As shown in fig. 1 to 3 and 6, in an embodiment, the transmission shaft assembly 35 includes a transmission shaft 351 in transmission connection with the main machine 2 and a second elastic member 353 axially disposed, the transmission shaft 351 is provided with a position-limiting step portion 3511, and the second elastic member 353 axially abuts against the position-limiting step portion 3511 and is sleeved on the outer periphery of the transmission shaft 351. Further, the transmission shaft 351 assembly 35 further includes a connection shaft 352 located below the transmission shaft 351, and compared to the case that the transmission shaft 351 is adopted for the whole transmission shaft, the connection shaft 352 arranged inside can be made of plastic. The transmission shaft 351 is matched with the connecting shaft 352, so that the machining cutter assembly 3 is lighter in weight, and the machining cost can be reduced.

Through setting up second elastic component 353, absorb the vibrations that cause because of the installation is unstable between transmission shaft 351 high-speed rotatory in-process and the host computer 2, be favorable to vibration/noise reduction, improve user's experience and feel. Moreover, under the condition of uncapping, the transmission shaft 351 is pressed downwards through the elastic force of the second elastic piece 353, the transmission shaft 351 is separated from the host machine 2, the host machine 2 in the working process is prevented from being taken down by misoperation of a user, the situation of taking out the processing knife is avoided, and the use safety of the user is improved.

As shown in fig. 2, in one embodiment, the lower end of the transmission shaft 351 assembly 35 forms a first abutment 3521 extending in the radial direction, and the hollow cavity wall extends in the radial direction to form a second abutment 313 axially mating with the first abutment 3521.

The transmission shaft 351 assembly 35 can move axially in the hollow cavity of the knife body 34, and in order to avoid the falling of the transmission shaft 351 assembly 35 from the inside of the knife body 34, the lower end of the transmission shaft 351 assembly 35 is provided with a first abutting part 3521 extending axially, and in the falling process, the transmission shaft 351 assembly 35 and the knife body 34 are ensured to be always kept in a matching installation state by abutting the lower end of the transmission shaft 351 assembly on a second abutting part 313 extending along the radial direction of the cavity wall in the knife body 34.

The technical solutions protected by the present invention are not limited to the above embodiments, and it should be noted that the combination of the technical solution of any one embodiment and the technical solution of one or more other embodiments is within the protection scope of the present invention. Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

Claims (10)

1. A trigger reliable food processor comprising:

the inner bottom wall of the processing cup assembly is provided with a positioning shaft;

the main machine is arranged above the processing cup assembly;

the machining cutter assembly is detachably pivoted to the positioning shaft and is in transmission connection with the host;

the machining tool assembly is characterized in that the machining tool assembly is provided with a working area which is arranged along the axial direction, and a locking assembly which limits the machining tool assembly in the working area is arranged between the machining tool assembly and the positioning shaft.

2. A trigger reliable food processor as defined in claim 1, wherein said main body has a mounting position in which it is mounted in position with the processing cup assembly for electrical communication therewith, said main body being accessible in said mounting position with said processing knife assembly in the working position.

3. A trigger reliable food processor as defined in claim 1, wherein said locking assembly is a radially disposed locking formation.

4. A food processor as claimed in claim 3, wherein the processing blade assembly has a mounting hole for engaging with the positioning shaft, the locking assembly includes a radially disposed limiting protrusion and a limiting groove for engaging with the limiting protrusion, one of the limiting protrusion and the limiting groove is disposed on an inner wall of the mounting hole, and the other of the limiting protrusion and the limiting groove is disposed on an outer wall of the positioning shaft.

5. The food processor as claimed in claim 4, wherein the limiting protrusion is formed on an inner wall of the mounting hole, and the limiting groove is an annular groove surrounding an outer wall of the positioning shaft.

6. A reliably triggered food processor as claimed in claim 5, characterized in that the inner wall of the mounting hole extends radially to form a mounting groove, the stop projection being provided in the mounting groove,

the locking assembly further comprises a first elastic piece arranged on the mounting groove along the radial direction, and the first elastic piece can push the limiting protrusion to move towards the limiting groove; alternatively, the first and second electrodes may be,

the limiting bulge is an elastic limiting bulge.

7. A reliably triggered food processor as claimed in claim 5, characterized in that the stop lug is of integral construction with the inner wall of the mounting hole.

8. The food processor with reliable triggering according to claim 1, wherein the processing knife assembly comprises a knife body and a transmission shaft assembly, the knife body is provided with a hollow cavity, the transmission shaft assembly is arranged in the hollow cavity and can move axially, and when the processing knife assembly is mounted on the positioning shaft, the positioning shaft pushes the transmission shaft assembly to move axially upwards to be connected with the host machine.

9. The food processor with reliable triggering according to claim 8, wherein the transmission shaft assembly comprises a transmission shaft in transmission connection with the main body and a second elastic member disposed along an axial direction, the transmission shaft is provided with a limiting step portion, and the second elastic member abuts against the limiting step portion in the axial direction and is sleeved on an outer periphery of the transmission shaft.

10. A reliably triggered food processor as set forth in claim 8 wherein the drive shaft assembly lower end defines a first radially extending abutment and the hollow cavity wall extends radially to define a second abutment axially cooperating with the first abutment.

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