CN211270275U - Food preparation machine with stable structure - Google Patents

Abstract

The utility model discloses a stable in structure's food preparation machine belongs to food preparation machine technical field, including built-in motor's frame and stirring cup, the stirring cup includes cup and bowl cover, is equipped with crushing sword in the cup, and the outside of cup is equipped with the handle. The inside top of handle is equipped with safety switch, is equipped with the mount pad in the circumference of bowl cover, and the bottom of mount pad is equipped with the apron, and the bottom surface of apron is equipped with spacing boss, and one side on handle top is equipped with the opening, and inside and the triggering safety switch of handle is gone into to spacing boss card when the bowl cover installation targets in place, is equipped with between spacing boss and the handle and makes the bowl cover receive circumference spacing preventing to move back the structure. Can prevent moving back the purpose through preventing moving back the structure realization in the realization purpose, avoid the bowl cover to take place the condition of circumference skew for the cup at organism during operation because of factors such as vibrations, effectively improve the structural stability of bowl cover when connecting in the cup to be favorable to improving the structural stability of complete machine at the during operation.

Description

Food preparation machine with stable structure

Technical Field

The utility model relates to a food preparation machine technical field especially relates to a stable in structure's food preparation machine.

Background

At present, food cooking by using a food processing machine becomes a popular life style, and on one hand, the food cooking machine can meet the requirement of nutrient intake and on the other hand, the food cooking machine can also meet the requirement of people advocating individual taste at present. The existing food processing machine generally comprises a main machine and a stirring cup, wherein a motor is arranged in the main machine, a crushing cutter is arranged in the stirring cup, and the motor is electrified to drive the crushing cutter to rotate at a high speed so as to cut and crush materials in the stirring cup, so that the purpose of processing food is achieved. The stirring cup generally comprises a cup body and a cup cover, wherein two symmetrical lugs are arranged at the cup opening of the cup body in order to realize the buckling between the cup body and the cup cover, two fixing lugs are arranged on the cup cover, and the cup cover is buckled on the cup body through the matching of the fixing lugs and the lugs. However, because of the lack of the anti-receding structure in the circumferential direction between the fixing lug and the lug, the cup cover can shift in the circumferential direction relative to the cup body due to the vibration generated during the operation of the machine body, and the dislocation between the fixing lug and the lug can affect the stability of the cup cover covering the cup body.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and deficiencies existing in the prior art, the utility model provides a food processor which can effectively improve the structural stability of a stirring cup in the working process of a machine body.

In order to realize the technical purpose, the utility model provides a pair of stable in structure's food preparation machine, including built-in motor's frame and locate the stirring cup on the frame, the stirring cup includes cup and bowl cover, is equipped with by motor drive's crushing sword in the cup, and the outside of cup is equipped with the handle, the inside top of handle is equipped with safety switch, is equipped with the mount pad that the outside protrusion formed and correspond with the handle in week of bowl cover, and the bottom of mount pad is equipped with the apron, and the bottom surface of apron is equipped with spacing boss, and one side on handle top is equipped with and supplies spacing boss card to go into the inside opening of handle, and spacing boss card is gone into inside the handle and trigger safety switch when the bowl cover installation targets in place, is equipped with between spacing boss and the handle and makes the bowl.

Preferably, prevent moving back the structure and include that it makes the bowl cover receive the first of circumference spacing to prevent moving back the structure through radial cooperation, prevent moving back the structure including mutually supporting prevent moving back the protruding muscle and prevent moving back the recess.

Preferably, the first anti-back structure comprises an anti-back convex rib arranged on the inner wall of the opening and an anti-back groove arranged on the limiting boss, and the anti-back convex rib is clamped in the anti-back groove when the cup cover is installed in place; or, the first anti-moving structure comprises anti-moving ribs arranged on the limiting boss and anti-moving grooves arranged on the inner wall of the opening, and the anti-moving ribs are clamped in the anti-moving grooves when the cup cover is installed in place.

Preferably, the anti-retreat structure comprises a second anti-retreat structure which enables the cup cover to be limited in the circumferential direction through axial matching.

Preferably, the second anti-moving structure comprises an anti-moving ejector rod arranged inside the handle and an anti-moving clamping groove arranged at the bottom of the limiting boss, and the top end of the anti-moving ejector rod is clamped in the anti-moving clamping groove when the cup cover is installed in place.

Preferably, an elastic part which enables the anti-withdrawal ejector rod to move upwards and reset after moving downwards is arranged in the handle, one end of the elastic part is arranged in a positioning mode, and the other end of the elastic part is in contact with the anti-withdrawal ejector rod.

Preferably, the elastic component is a spring, a mounting cavity for mounting the spring is arranged in the handle, the lower end of the anti-withdrawal ejector rod extends into the mounting cavity, the spring is arranged in the mounting cavity, and the top end of the spring is sleeved on the lower end and the bottom end of the anti-withdrawal ejector rod and abuts against the inner wall of the mounting cavity.

Preferably, the top end of the cup body is provided with a circle of outward-turned convex edge, the limiting boss is provided with a bulge formed by protruding towards the center of the cup cover, and the bulge abuts against the periphery of the convex edge when the cup cover is installed in place.

Preferably, the top end of the cup body is provided with a cup mouth, the cup cover is provided with a buckling seat corresponding to the cup mouth, the buckling seat is provided with a buckling groove for clamping a convex edge at the position of the cup mouth, and the bottom surface of the buckling seat is provided with a mistaken-assembly-preventing convex rib.

Preferably, the bottom wall of the buckling groove is provided with a positioning rib, and the positioning rib is abutted against the bottom of the convex edge at the cup mouth when the cup cover is installed in place.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model provides a food processor improves the concrete structure of stirring cup. The bottom of mount pad has been added and has been established spacing boss, and the opening has been seted up to one side on handle top, and inside the safety switch of triggering can be gone into to the handle from opening department card to spacing boss, realizes triggering the purpose, is favorable to improving the safety in utilization of organism. Add between spacing boss and the handle and established and prevented moving back the structure, can make the bowl cover receive circumferential spacing when the lid closes the cup through this preventing moving back the structure, realize preventing moving back the purpose, avoid the bowl cover to take place the condition of circumference skew for the cup because of factors such as vibrations at organism during operation, effectively improve the structural stability of bowl cover when connecting in the cup to be favorable to improving the structural stability of complete machine at the during operation.

2. The anti-moving structure comprises a first anti-moving structure which is used for realizing the anti-moving purpose through radial matching, and particularly, the first anti-moving structure can adopt a structure for preventing moving of a convex rib and a structure for preventing moving of a groove. When the cup cover is installed in place, the anti-retreat convex ribs are clamped in the anti-retreat grooves to achieve the anti-retreat purpose, the matching structure is simple, and unnecessary matching operation is not needed. In addition, the anti-back convex ribs and the anti-back grooves are matched to generate a screwing-in feeling when the cup cover is installed in place, so that a user can clearly sense whether the cup cover is installed in place.

3. The anti-moving structure comprises a second anti-moving structure which is matched with the axial direction to realize the anti-moving purpose, and particularly, the second anti-moving structure can adopt a structure of preventing moving of an ejector rod and preventing moving of a clamping groove. When the cup cover is installed in place, the top end of the anti-moving ejector rod is clamped in the anti-moving groove to achieve the anti-moving purpose, and the anti-moving cup is simple in structure and can well meet the circumferential anti-moving requirement of the cup cover.

4. The elastic piece used for driving the anti-retreating ejector rod to move upwards for resetting is arranged in the handle, when the limiting boss is clamped into the inside of the handle from the opening, the anti-retreating ejector rod moves downwards under the abutting action of the limiting boss to avoid the limiting boss, and the elastic piece deforms under stress. When the cup cover is installed in place, the elastic piece drives the anti-backing ejector rod to move upwards and reset, so that the top end of the anti-backing ejector rod can be clamped into the anti-backing groove. The concrete structure of the anti-retreat ejector rod is reasonably arranged, so that the anti-retreat matching requirement can be met.

5. Specifically, the elastic component adopts the spring, and in the installation cavity in the handle was located to the spring, the bottom of spring supported and realized the location setting on the inner wall of installation cavity, and the lower extreme that the top cover of spring was located and is prevented moving back the ejector pin realizes contacting in preventing moving back the ejector pin, rationally sets up the concrete mounting structure of spring, makes it satisfy the band move prevent moving back the ejector pin and shift up with prevent moving back draw-in groove complex structural requirement.

6. Set up the arch of formation towards the central protrusion of bowl cover on the spacing boss, when the bowl cover installation targets in place, the arch supports in the periphery on protruding edge, and conflict through protruding and protruding edge makes the bowl cover receive radial ascending location, avoids the bowl cover to take place the condition of radial skew under the effect of factors such as organism vibrations, is favorable to further improving the stability of cooperation structure between bowl cover and the cup.

7. When the cup cover is installed in place, the convex edge at the cup mouth is clamped into the buckling groove on the buckling seat, and the axial stability between the cup cover and the cup body can be effectively improved through the matching of the buckling groove and the convex edge at the cup mouth, so that the structural stability between the cup cover and the cup body is further improved. The bottom surface of lock seat sets up prevents mistake dress protruding muscle, if spacing boss is inside the handle of mouth card income, prevents mistake dress protruding muscle and protruding edge interference, and the unable installation of bowl cover targets in place, prevents the mistake dress.

8. Set up the location muscle on the diapire in lock groove, when the bowl cover installation targets in place, the location muscle supports in the bottom on the protruding edge of rim of mouth of a cup department, contradicts through the upper and lower of the protruding edge of location muscle and rim of a cup department and makes the bowl cover receive axial ascending location, further improves bowl cover stability at axial to be favorable to further improving the stability of cooperation structure between bowl cover and the cup.

Drawings

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

FIG. 2 is an exploded view of a blender cup in a food processor according to an embodiment of the present invention;

FIG. 3 is a first schematic view of a cover plate of a food processor according to an embodiment of the present invention;

FIG. 4 is a second schematic view of a cover plate of a food processor according to an embodiment of the present invention;

FIG. 5 is a partial schematic view of a cup of a food processor according to an embodiment of the present invention;

FIG. 6 is another partial schematic view of a cup body of a food processor according to an embodiment of the present invention;

FIG. 7 is a schematic view of a lid of a food processor according to an embodiment of the present invention;

FIG. 8 is a first schematic view of a handle base of a food processor according to an embodiment of the present invention;

FIG. 9 is a second schematic view of a handle base of a food processor according to an embodiment of the present invention;

FIG. 10 is an enlarged view taken at A in FIG. 1;

FIG. 11 is an exploded view of a safety switch and a support plate of a food processor according to an embodiment of the present invention;

fig. 12 is a schematic view of a support plate of a food processor according to an embodiment of the present invention.

In the figure, 100-machine base, 200-stirring cup, 210-cup body, 211-convex edge, 212-cup mouth, 220-cup cover, 221-mounting base, 222-cover plate, 223-limiting boss, 224-anti-retreat groove, 225-anti-retreat clamping groove, 226-protrusion, 227-fastening base, 228-fastening groove, 229-anti-misassembly convex rib, 2210-positioning rib, 2211-supporting column, 2212-stepped hole, 230-crushing knife, 240-fixing piece, 241-fixing bracket, 242-nut, 250-cup base, 251-convex part, 300-motor, 400-handle, 401-opening, 402-anti-retreat convex rib, 403-avoiding hole, 404-mounting cavity, 410-handle base, 411-connecting hole, 412-limiting table, 413-limiting concave cavities, 414-limiting concave holes, 415-limiting convex ribs, 416-positioning step surfaces, 417-positioning grooves, 418-fastening holes, 420-handle covers, 500-safety switches, 501-insertion holes, 610-anti-withdrawal ejector rods, 611-limiting convex rings, 620-springs, 630-supporting plates, 631-convex columns, 632-buckles, 633-anti-fool convex blocks, 634-positioning portions, 635-positioning tables and 636-positioning holes.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments. It is to be understood that the following terms "upper," "lower," "left," "right," "longitudinal," "lateral," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like are used in an orientation or positional relationship relative to one another only as illustrated in the accompanying drawings and are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the device/component so referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be considered as limiting the invention.

As shown in fig. 1 to 5, an embodiment of the present invention provides a stable structure food processor, which comprises a base 100 with a built-in motor 300 and a stirring cup 200 disposed on the base 100, wherein the stirring cup 200 comprises a cup body 210 and a cup cover 220, a crushing knife 230 driven by the motor 300 is disposed in the cup body, and a handle 400 is disposed outside the cup body. The inside top of handle 400 is equipped with safety switch 500, is equipped with outward protrusion formation and the mount pad 221 that corresponds with the handle on the circumference of bowl cover 220, and the bottom of mount pad 221 is equipped with apron 222, and the bottom surface of apron is equipped with spacing boss 223, and one side on handle 400 top is equipped with supplies spacing boss card to go into the inside opening 401 of handle. The limit boss 223 is clamped into the inside of the handle 400 and triggers the safety switch 500 when the cup cover 220 is installed in place, and a retreat prevention structure for enabling the cup cover 220 to be limited in the circumferential direction is arranged between the limit boss 223 and the handle.

Realize triggering safety switch's purpose through spacing boss and simultaneously through preventing moving back the structure and realize that the bowl cover is preventing moving back the purpose in week, avoid the bowl cover to take place the condition of circumference skew for the cup because of factors such as vibrations at organism during operation, effectively improve the structural stability of bowl cover when connecting in the cup to be favorable to improving the structural stability of complete machine at the during operation.

In this embodiment, the cup 210 is a stainless steel cup, the handle 400 is a plastic handle, the handle includes a handle base 410 and a handle cover 420 connected to the handle base, the handle base 410 is fixed to the outside of the cup by an assembly, and the opening 401 is formed at the top of the side of the handle base.

Prevent moving back the structure and include that it makes the bowl cover receive the first anti-moving back structure of circumference spacing through radial cooperation, it is specific, first prevent moving back the structure including mutually supporting prevent moving back protruding muscle 402 and prevent moving back recess 224, prevent moving back protruding muscle 402 and locate on the inner wall of opening 401 department, prevent moving back recess 224 and locate on one side outer wall of orientation spacing protruding muscle on spacing boss 223. In this embodiment, the anti-receding rib 402 is a strip extending vertically, and the anti-receding rib is located in a radial direction of the cup body 210. Correspondingly, the anti-receding groove 224 is also arranged in a long strip shape in a certain radial direction of the cup cover 220. When the cup cover 220 is installed in place, the radial direction of the cup cover provided with the anti-retreat groove 224 and the radial direction of the cup body 210 provided with the anti-retreat convex rib 402 are overlapped to clamp the anti-retreat convex rib 402 in the anti-retreat groove 224, so that the circumferential anti-retreat purpose of the cup cover 220 is achieved through radial matching. In addition, the anti-back ribs 402 and the anti-back grooves 224 can be matched to generate a screwing-in feeling when the cup cover 220 is installed in place, so that a user can clearly sense whether the cup cover is installed in place.

With reference to fig. 6, the anti-moving structure further comprises a second anti-moving structure which enables the cup cover to be circumferentially limited through axial matching, specifically, the second anti-moving structure comprises an anti-moving ejector rod 610 arranged inside the handle 400 and an anti-moving clamping groove 225 arranged at the bottom of the limiting boss 223, an elastic part which enables the anti-moving ejector rod 610 to move upwards and reset after moving downwards is further arranged in the handle 400, and one end of the elastic part is positioned and arranged, and the other end of the elastic part is in contact with the anti-moving ejector rod.

In this embodiment, the bottom wall of the opening 401 is provided with an avoiding hole 403 through which the top end of the anti-retreat prop 610 extends upwards into the opening. The elastic component adopts spring 620, is equipped with the installation cavity 404 that is used for installing the spring in the handle frame 100, is equipped with the hole that the lower extreme that supplies to prevent moving back the ejector pin stretched into the installation cavity on the roof of installation cavity, prevents moving back the ejector pin 610 and stretches into the circumference at the position in the installation cavity and be equipped with spacing bulge loop 611, and the external diameter of spacing bulge loop is greater than the internal diameter in hole on the installation cavity roof. The spring 620 is arranged in the installation cavity 404, the bottom end of the spring is abutted against the inner wall of the bottom end of the installation cavity to realize positioning, and the top end of the spring is sleeved on the lower end of the anti-withdrawing ejector rod 610 and is in limited contact with the anti-withdrawing ejector rod by the limiting convex ring 611. When the limiting boss 223 is clamped into the handle 400 from the opening 401, the anti-retreat ejector rod 610 moves downwards under the abutting action of the limiting boss to avoid the limiting boss, and the spring 620 deforms under stress. When the cap 220 is mounted in place, the spring 620 drives the anti-retreat push rod 610 to move upwards and return, so that the top end of the anti-retreat push rod is clamped in the anti-retreat groove 224.

The top end of the cup body 210 is provided with a circle of flange 211 formed by outward turning, and the limiting boss 223 is provided with a bulge 226 formed by projecting towards the center of the cup cover. When the cup cover 220 is installed in place, the bulge 226 is abutted against the periphery of the convex edge 211, and the cup cover is positioned in the radial direction through the interference of the bulge and the convex edge, so that the cup cover is prevented from deviating in the radial direction under the action of factors such as vibration of a machine body and the like.

Referring to fig. 7, a mouth 212 opposite to the handle 400 is disposed at the top end of the cup body 210, a fastening seat 227 corresponding to the mouth 212 is disposed on the cup lid 220, a fastening groove 228 for the convex edge 211 at the mouth to be fastened in is disposed on the fastening seat 227, a mis-assembly preventing convex rib 229 is disposed on the bottom surface of the fastening seat 227, and a positioning rib 2210 is disposed on the bottom wall of the fastening groove 228. In this embodiment, the ends of the fastening seat 227 extend downward to form a mis-assembly preventing rib 229. When the lid 220 is mounted on the cup 210, if the limit boss 223 is not inserted into the handle from the opening 401, the mis-assembly preventing rib 229 interferes with the convex edge 211, and the lid cannot be mounted in place. When the cup cover 220 is installed in place, the positioning rib 2210 abuts against the bottom of the convex edge at the cup mouth, and the cup cover 220 is positioned in the axial direction by the vertical collision of the positioning rib 2210 and the convex edge at the cup mouth, so that the stability of the cup cover in the axial direction is improved. To improve axial stability of the lid 220 when mounted to the cup 210,

in this embodiment, the cover plate 222 is connected to the mounting base 221 by screws, a hollow support column 2211 extending downward is disposed in the mounting base, a stepped hole 2212 corresponding to the support column is disposed on the cover plate 222, and the screws are screwed into the support column 2211 after passing through the stepped hole 2212 to fix the cover plate to the bottom of the mounting base.

Referring to fig. 8, 9 and 10, in order to fix the handle base 410 to the outside of the cup body 210, connection holes 411 are formed at both the upper and lower ends of the handle base 410, two fixing members 240 are disposed on the outer wall of the cup body 210 at intervals up and down, fixing portions are disposed on the fixing members 240, and the assembly member passes through the connection holes 411 and is connected to the fixing portions. In this embodiment, the assembly member is a screw, the fixing member 240 includes a fixing bracket 241 and a nut 242, the fixing portion is a screw hole provided on the nut 242, the fixing bracket 241 is fixed on the outer wall of the cup body 210 by welding, and the nut 242 is provided between the fixing bracket 241 and the cup body 210. During assembly, the screw is screwed into the screw hole after passing through the connection hole 411 on the handle base 410, so that the handle base is fixed outside the cup body.

In order to improve the fixing strength between the handle base 410 and the cup body 210, the upper end of the handle base 410 is provided with a limiting platform 412 which is arranged around the connecting hole 411 and is formed to protrude towards one side of the cup body 210, and a limiting cavity 413 into which the fixing member 240 is inserted is formed on the inner periphery of the limiting platform 412. During assembly, the fixture 240 is inserted into the retention cavity 413 to achieve precise positioning between the handle base 410 and the cup 210. After assembly, the seating of the fastener 240 in the restraint cavity 413 helps to reduce radial loading of the assembly.

In order to improve the axial stability of the assembly, the upper end and the lower end of the handle base 410 are provided with a limiting concave hole 414 coaxial with the connecting hole 411 at one side back to the cup body 210, and part of the assembly is arranged in the limiting concave hole 414 and limited. In this embodiment, the inner diameter of the limiting recess hole 414 is larger than that of the connection hole 411, and the head of the screw for connecting the handle base 410 and the cup 210 is located in the limiting recess hole 414.

In order to improve the stability in the axial direction between the handle base 410 and the bowl 210, the top surface of the handle base 410 is provided with a positioning step surface 416 on the side facing the bowl 210, and a part of the flange 211 is in contact with the positioning step surface 416. The bottom surface of the handle base 410 is provided with a limiting convex rib 415 which is formed by downward protrusion, the stirring cup 200 further comprises a cup base 250 which is arranged at the bottom of the cup body 210, a convex part 251 which corresponds to the handle 400 and is formed by outward protrusion is arranged on the circumferential direction of the cup base 250, the bottom surface of the handle base 410 is supported on the top surface of the convex part 251, and the limiting convex rib 415 is supported on the inner circumference of the convex part 251. The top of handle base 410 realizes axial positioning through protruding conflict of 211 with location step face 416 along protruding, and axial positioning is realized through the conflict of bottom surface and bulge 251 top surface to the bottom of handle base, and radial positioning is still realized through the conflict of spacing protruding muscle 415 and bulge 251 to the bottom of handle base, improves the stability of handle base comprehensively. In this embodiment, the height of the limiting convex rib 415 is H, H is greater than or equal to 3mm and less than or equal to 8mm, and specifically, the height H of the limiting convex rib 415 is preferably set to 6 mm.

With reference to fig. 11 and 12, a supporting plate 630 for installing the safety switch 500 is further disposed inside the handle 400, in order to effectively fix the safety switch on the supporting plate, in this embodiment, two convex pillars 631 disposed at intervals and two buckles 632 disposed symmetrically are disposed on the top surface of the supporting plate 630, and the safety switch 500 is provided with an insertion hole 501 matched with the convex pillars 631. The safety switch 500 is installed on the supporting plate 630 through the matching and positioning of the insertion hole 501 and the protruding column 631, and the buckle 632 buckles the two opposite sides of the safety switch to fix the safety switch on the supporting plate. In order to prevent the safety switch 500 from being incorrectly assembled, the supporting plate 630 is provided with a fool-proof bump 633 for preventing the safety switch from being incorrectly assembled.

In order to install the support plate 630 in the handle 400, the support plate 630 is provided with positioning portions 634 on opposite sides thereof, the handle base 410 is provided on an inner wall of an upper end thereof with positioning grooves 417 into which the positioning portions 634 are inserted, and the support plate 630 is installed in the handle base 410 in a positioned manner by the engagement of the positioning portions 634 and the positioning grooves 417. In this embodiment, the positioning portion 634 is formed by the edges of the two opposite sides of the supporting plate 630, and the positioning slot 417 is in a long strip shape.

To fix the support plate 630 within the handle 400, the support plate 630 is coupled to the handle base 410 by screws. In this embodiment, a positioning table 635 formed by protruding downward is disposed on the bottom surface of the supporting plate 630, a positioning hole 636 through which a screw passes is disposed on the positioning table 635, a fastening hole 418 corresponding to the positioning hole 636 is disposed on the inner wall of the handle base 410, and the screw passes through the positioning hole 636 and is fastened in the fastening hole 418.

In this embodiment, the handle cover 420 is coupled to the handle base 410 by a snap-fit structure. Specifically, be equipped with a plurality of interval distribution's joint on the handle lid 420 and buckle, the one side that the handle base 410 is carried away from cup 210 is equipped with a plurality ofly and buckles complex joint groove with the joint, and handle lid 420 is detained through the joint and is detained the cooperation fixed connection in handle base in joint groove.

During the use, during the material drops into cup 210, lid 220, and when the bowl cover installation target in place, inside and the button on the safety switch 500 of handle 400 is gone into to spacing boss 223 from opening 401 card, realizes triggering safety switch's purpose, prevents moving back protruding muscle 402 card and go into on spacing boss 223 prevent moving back in recess 224 and prevent moving back the top card of ejector pin 610 and realize preventing moving back the purpose of bowl cover in preventing moving back the draw-in groove 225, improves the stability of bowl cover installation on the cup. Meanwhile, the bulge 226 on the limiting boss 223 is abutted against the periphery of the convex edge 211, so that the cup cover is positioned in the radial direction. In addition, the convex edge 211 at the cup mouth is clamped into the buckling groove 228 on the buckling seat 227, and the positioning rib 2210 abuts against the bottom surface of the convex edge at the cup mouth, so that the axial positioning of the cup cover is realized.

It can be understood that the positions of the anti-retreat convex ribs 402 and the anti-retreat grooves 224 can be interchanged, namely, the anti-retreat convex ribs are arranged on the side wall of one side of the limiting boss 223, the anti-retreat grooves for preventing the retreat of the convex rib card is arranged on the inner wall of one side of the anti-retreat convex ribs at the position of the opening 104, and when the cup cover is installed in place, the anti-retreat convex ribs on the limiting boss are clamped into the anti-retreat grooves on the inner wall of the opening.

It is understood that the first anti-back structure and the second anti-back structure can be alternatively arranged.

It is understood that the elastic member may be an elastic member other than the spring 620, which satisfies the requirement of use.

It is understood that a limit stop formed to protrude toward the cup body around the lower coupling hole 411 may be provided at the lower end of the handle base 410, and the lower fixing member is inserted into a limit recess of the limit stop. Of course, the upper and lower ends of the handle base may be provided with the limiting platforms respectively formed around the two connection holes 411 and protruding toward the cup body, and at this time, the two fixing members are respectively inserted into the limiting cavities of the corresponding limiting platforms.

It is understood that only the limiting concave hole 414 coaxial with the upper connection hole 411 may be provided, and of course, only the limiting concave hole coaxial with the lower connection hole 411 may be provided.

It can be understood that the stirring cup can be arranged into a double layer, and comprises a cup body with an inner layer and a shell sleeved outside the cup body, and the handle can be arranged on the shell; or, the handle is connected to the cup body, and the shell is provided with a notch for the handle to pass through.

It is understood that the height H of the limiting rib 415 can also be set to other reasonable height values such as 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 5.9mm, 6.1mm, 6.5mm, 7mm, 7.5mm, 8mm, etc.

It can be understood that the safety switch 500 can also be directly fixed on the supporting plate 630 by the interference fit between the insertion hole 501 and the protruding post 631, and at this time, the buckle 632 is eliminated.

It can be understood that the safety switch 500 can also be directly fixed on the supporting plate 630 by cooperating with the fasteners 632, and at this time, the arrangement of the convex posts 631 is eliminated, and the fasteners 632 are preferably arranged in two pairs, and the two pairs of fasteners respectively fasten four sides of the safety switch.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims (10)

1. The utility model provides a stable in structure's food preparation machine, includes built-in motor's frame and locates the stirring cup on the frame, and the stirring cup includes cup and bowl cover, is equipped with the crushing sword by motor drive in the cup, and the outside of cup is equipped with the handle, its characterized in that, the inside top of handle is equipped with safety switch, is equipped with the mount pad that outside protrusion formed and corresponded with the handle in the circumference of bowl cover, and the bottom of mount pad is equipped with the apron, and the bottom surface of apron is equipped with spacing boss, and one side on handle top is equipped with and supplies spacing boss card to go into the inside opening of handle, and spacing boss is gone into inside the handle and trigger safety switch of card when the bowl cover is installed in place, is equipped with between spacing boss and the handle.

2. The food processor of claim 1, wherein the anti-backup arrangement comprises a first anti-backup arrangement that circumferentially constrains the lid by radial engagement.

3. The food processor of claim 2, wherein the first anti-back structure comprises an anti-back rib disposed on an inner wall of the opening and an anti-back groove disposed on the limiting boss, the anti-back rib being engaged in the anti-back groove when the cup cover is mounted in place; or, the first anti-moving structure comprises anti-moving ribs arranged on the limiting boss and anti-moving grooves arranged on the inner wall of the opening, and the anti-moving ribs are clamped in the anti-moving grooves when the cup cover is installed in place.

4. A food processor as claimed in any one of claims 1 to 3, wherein the anti-backoff structure comprises a second anti-backoff structure that circumferentially limits the lid by axial engagement.

5. The food processor of claim 4, wherein the second anti-back structure comprises an anti-back ejector rod arranged inside the handle and an anti-back clamping groove arranged at the bottom of the limiting boss, and the top end of the anti-back ejector rod is clamped in the anti-back clamping groove when the cup cover is installed in place.

6. The food processor as defined in claim 5, wherein the handle is provided therein with an elastic member for restoring the anti-retreat pin to move upward after moving downward, one end of the elastic member being positioned and the other end thereof being in contact with the anti-retreat pin.

7. The food processor as defined in claim 6, wherein the elastic member is a spring, the handle is provided with a mounting cavity for mounting the spring, the lower end of the anti-withdrawing rod extends into the mounting cavity, the spring is arranged in the mounting cavity, and the top end of the spring is sleeved on the lower end of the anti-withdrawing rod and the bottom end of the spring abuts against the inner wall of the mounting cavity.

8. The food processor of claim 1, wherein the cup body includes an outwardly turned lip at a top end thereof, and the retainer projection includes a projection projecting toward a center of the lid and abutting against a periphery of the lip when the lid is in place.

9. The food processor as defined in claim 8, wherein the cup mouth is formed at the top end of the cup body, the lid is provided with a fastening seat corresponding to the cup mouth, the fastening seat is provided with a fastening groove for the convex edge of the cup mouth to be clamped into, and the fastening seat is provided with a mis-assembly preventing convex rib at the bottom surface.

10. The food processor of claim 9, wherein the bottom wall of the snap-fit groove is provided with a positioning rib, and the positioning rib abuts against the bottom of the raised edge at the mouth of the cup when the cup cover is mounted in place.

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