CN216364648U

CN216364648U - Food distribution device for food nutrition

Info

Publication number: CN216364648U
Application number: CN202123036372.4U
Authority: CN
Inventors: 王国英; 冯茂波
Original assignee: POLUS INTERNATIONAL COLLEGE
Current assignee: POLUS INTERNATIONAL COLLEGE
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-04-26
Anticipated expiration: 2031-12-06

Abstract

The utility model discloses a food distribution device for food nutrition, which comprises an upper shell, a lower shell, a rotary filling mechanism and a rotary distribution mechanism, wherein the closed end of the upper shell is provided with an injection hole, and the lower shell is provided with a discharge window; the rotary distribution mechanism comprises a driving assembly and a rotary table, the rotary table is arranged between the open end of the upper shell and the open end of the lower shell, a feed opening is formed in the rotary table, and the driving assembly is fixed on the shell; the rotary packing mechanism comprises a rotating assembly, a linkage telescopic assembly and storage pipes with openings at two ends, wherein the upper end of the rotating assembly is positioned above the upper shell, the middle part and the lower end of the rotating assembly are respectively movably connected with the turntable and the lower shell, the linkage telescopic assembly is uniformly fixed on the rotating assembly, and the storage pipes are respectively fixed on the rotating assembly. The food distribution device effectively solves the technical problems of complex structure and low distribution speed of the food distribution device in the prior art.

Description

Food distribution device for food nutrition

Technical Field

The utility model belongs to the technical field of food nutrition, and particularly relates to a food distribution device for food nutrition.

Background

In special cases where a human body needs specific and independent nutritional requirements, such as premature infants, the nutritional food distribution requirements of each individual are completely different, and therefore need to be configured and distributed separately, but the existing devices have the disadvantages of complicated and inaccurate distribution, and therefore a food distribution device for food nutrition is needed, which can be conveniently, quickly and accurately distributed.

Publication No. CN103874441A discloses, on 18/06/2014, a powder dispensing device for dispensing powder with or without liquid; the powder distribution device comprises a base, a distributor and a tower body; the base is used for placing a container; the dispenser includes a rotating bracket coupled to a support member having an opening; the rotating carriage includes a plurality of compartments; the rotary bracket is horizontally positioned on an optional funnel and can rotate around the central shaft; the rotary bracket is provided with a hopper and is communicated with some of the cabins; each chamber being capable of dispensing a powder from a respective hopper and injecting it through an opening into an optional hopper and then into a receptacle on the base; the two ends of the tower body are respectively connected with the base and the distributor; the powder dispensing device has high use value, and is particularly applicable to dispensing infant milk powder and other food products, and dispensing food and beverages for children and adults. Although this powder dispensing device is capable of dispensing a predetermined quantity of powder (with or without liquid) into a container in a convenient, controlled, precise and efficient manner, it dispenses only one powder at a time in use, and if multiple powders are to be dispensed, multiple dispenses are required, which presents the technical problem of slow dispensing speeds. In addition, the device comprises many parts, which results in a complicated structure.

For this reason, there is a need for improvements in the prior art to achieve a simpler construction and faster dispensing techniques.

SUMMERY OF THE UTILITY MODEL

The food distribution device for food nutrition is capable of achieving accurate quantitative distribution of several kinds of food simultaneously by adopting a simple structure, and effectively solves the technical problems that the food distribution device in the prior art is complex in structure and low in distribution speed.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a food dispensing apparatus for use in food nutrition, characterized by: the automatic feeding device comprises an upper shell, a lower shell, a rotary filling mechanism and a rotary distribution mechanism, wherein the upper shell and the lower shell are both provided with an opening end and a closed end, the closed end of the upper shell is provided with a filling hole, and the lower shell is provided with a discharging window; the rotary distribution mechanism comprises a driving assembly and a rotary table, the rotary table is arranged between the open end of the upper shell and the open end of the lower shell, a feed opening is formed in the rotary table, and the driving assembly for driving the rotary table is fixed on the lower shell; the rotary filling mechanism comprises a rotating assembly, a linkage telescopic assembly and storage pipes with openings at two ends, wherein the upper end of the rotating assembly is positioned above the upper shell, the middle part and the lower end of the rotating assembly are respectively movably connected with the turntable and the lower shell, the linkage telescopic assembly is uniformly fixed on the rotating assembly, and the storage pipes are respectively fixed on the rotating assembly; the rotating assembly and the linkage telescopic assembly are matched to control the upper ends of the storage pipes to correspond to the injection holes respectively, and the rotating distribution mechanism and the rotating filling mechanism are matched to control the lower ends of the storage pipes to correspond to the feed openings respectively.

The rotating assembly and the linkage telescopic assembly are matched to control the upper ends of the storage pipes to correspond to the injection holes respectively, and the rotating assembly and the linkage telescopic assembly are characterized in that: when the rotating assembly controls the linkage telescopic assembly to extend to the maximum stroke, the shaft axis of the upper opening of each storage tube is coincided with the shaft axis of the injection hole; the fact that the lower ends of the storage pipes can be controlled by matching the rotary distribution mechanism with the rotary filling mechanism to correspond to the feed openings respectively means that: when the rotating assembly controls the linkage telescopic assembly to contract to the minimum stroke, the driving assembly controls the rotating disc to rotate so that the axial lead of the lower end opening of each storage pipe is coincided with the axial lead of the feed opening at the same time.

The inner surface of the closed end of the upper shell is provided with a stroke limiting structure matched with the linkage telescopic assemblies, and the rotating assemblies control the telescopic strokes of the linkage telescopic assemblies through the stroke limiting structure.

The stroke limiting structure comprises a circular groove formed along the axis of the upper shell and straight grooves uniformly formed around the circular groove, and the rotating assembly controls the telescopic stroke of each linkage telescopic assembly through the circular groove and the straight grooves.

The linkage telescopic assembly comprises a first rotating rod, a second rotating rod, a first limiting block and a second limiting block, the first rotating rod is transversely fixed on the rotating assembly, one end of the second rotating rod is hinged with the first rotating rod, and the other end of the second rotating rod is fixedly connected with the storage pipe; a stopper and No. two stoppers are fixed respectively on bull stick and No. two bull sticks, and a stopper and No. two stoppers are located circular slot and straight flute respectively.

The end part of the first rotating rod is provided with a step, the second rotating rod is hinged to the step through a pin shaft, and the upper surface of the hinged first rotating rod and the upper surface of the second rotating rod are located on the same horizontal plane.

The number of the injection holes, the number of the feed openings, the number of the linkage telescopic assemblies and the number of the storage pipes are the same, and the injection holes, the feed openings, the linkage telescopic assemblies and the storage pipes are arranged at equal angles by taking the axis of the rotating assembly as the center.

Go up the casing and be cylindrical structure with lower casing, the external diameter of going up the casing all is less than the external diameter of carousel with the external diameter of casing down, the outer periphery of carousel is equipped with the drive tooth with drive assembly complex.

The driving assembly comprises a supporting plate, a motor and an output gear, the supporting plate is fixed above the discharging window on the side face of the lower shell, the motor is fixed on the supporting plate, and the output gear for driving the rotary disc is fixed on a power shaft of the motor.

The rotating assembly comprises a rotating shaft and a handle, the upper end of the rotating shaft is fixedly connected with the handle, and the middle part and the lower end of the rotating shaft are respectively connected with the turntable and the closed end of the lower shell through bearings.

By adopting the technical scheme, the utility model has the beneficial technical effects that:

1. the food distribution device comprises an upper shell, a lower shell, a rotary filling mechanism and a rotary distribution mechanism, wherein when the food distribution device is in actual use, the upper ends of the storage tubes can be controlled to correspond to the injection holes respectively by matching the rotary assembly with the linkage telescopic assembly, and the lower ends of the storage tubes can be controlled to correspond to the injection holes respectively by matching the rotary distribution mechanism with the rotary filling mechanism, so that the addition of different nutritious foods and the simultaneous distribution of different nutritious foods can be realized. Furthermore, the time for aligning the storage pipe and the feed opening can be controlled by controlling the timing stop and start of the driving assembly, so that the participation amount of each nutritional food can be controlled, and the distribution is more accurate. Compared with the prior art, the food distribution device has the advantages that accurate quantitative distribution of several kinds of food can be realized simultaneously by adopting a simpler structure, and the technical problems of complex structure and low distribution speed of the food distribution device in the prior art are effectively solved.

2. The utility model adopts the circular groove and the straight groove as the stroke limiting structures and is matched with the linkage telescopic assembly with a specific structure, so that the control of the telescopic of the storage pipe can be quickly and effectively realized, and the utility model has the advantages of simple operation, convenient control and accurate distribution.

3. According to the utility model, the step is arranged at the end part of the first rotating rod, and the second rotating rod is hinged on the step, so that the upper surface of the first rotating rod and the upper surface of the second rotating rod are in the same horizontal plane. The advantage of this structure lies in making the transmission of power more stable effective between bull stick and the bull stick No. two.

4. The injection hole, the feed opening, the linkage telescopic assembly and the storage tube are all arranged at equal angles by taking the axis of the rotating assembly as the center. The structure has the advantages that the device can simultaneously store various nutritional foods according to the requirements, and further can accurately complete the distribution of various nutritional foods at one time.

5. The upper shell and the lower shell are both designed into cylindrical structures, and the outer diameter of the upper shell and the outer diameter of the lower shell are both smaller than the outer diameter of the turntable.

6. The utility model adopts the driving component with a specific structure, and has the advantages of simple structure, convenient installation, convenient accurate control and the like.

7. The utility model is beneficial to the flexible rotation of the rotating assembly through the matching of the rotating shaft and the handle, thereby leading the extension and retraction of the storage tube to be simpler and more convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view from the bottom of the present invention;

FIG. 3 is a schematic cross-sectional view from the top view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

Labeled as: 1. the automatic feeding device comprises an upper shell, 2, a filling hole, 3, a rotary filling mechanism, 301, a rotating shaft, 302, a handle, 303, a circular groove, 304, a straight groove, 305, a first limit block, 306, a second limit block, 307, a first rotating rod, 308, a second rotating rod, 309, a storage pipe, 310, a top cover, 4, a lower shell, 5, a rotary distribution mechanism, 501, a support plate, 502, a motor, 503, an output gear, 504, a rotary disc, 505, a feed opening, 6 and a discharge window.

Detailed Description

Example 1

The embodiment provides a food distribution device for food nutrition, which can realize accurate quantitative distribution of several kinds of food simultaneously by adopting a simpler structure. As shown in fig. 1-3, it includes an upper casing 1, a lower casing 4, a rotary filling mechanism 3 and a rotary distribution mechanism 5, and the structure, position and connection relationship of each component are as follows:

go up casing 1 and lower casing 4 and be cylindrical structure, both have open end and blind end, and generally go up casing 1 and lower casing 4 and be two symmetrical half shells, and external diameter between them is the same with internal diameter between them. The closed end of the upper shell 1 is provided with an injection hole 2 for supplementing nutritional food, and the side surface of the lower shell 4 is provided with a discharge window 6.

In regard to the upper case 1 and the lower case 4, it should be noted that the number of the injection holes 2 is at least two, and preferably the number of the injection holes 2 is four, and the injection holes are arranged at equal angles along the center of the closed end of the upper case 1. Of course, the specific number of the injection holes 2 may be determined according to the kind of the nutritious food to be dispensed, and for example, three, five or more injection holes may be provided. In order to facilitate the effective supplement of the nutritious food, the injection hole 2 is generally provided in a circular shape, but is not limited to a circular shape, and may be other shapes such as a square shape. In addition, the discharging window 6 is used for taking out the distributed various nutritional foods, and the shape of the discharging window 6 can be round, square and the like.

The rotary distribution mechanism 5 comprises a rotary table 504 and a driving assembly fixed on the lower shell 4 and used for driving the rotary table 504, the driving assembly comprises a supporting plate 501, a motor 502 and an output gear 503, the supporting plate 501 can be fixed above the discharging window 6 on the side surface of the lower shell 4, the motor 502 is fixed on the supporting plate 501, and the output gear 503 is fixed on a power shaft of the motor 502 and used for driving the rotary table 504 to rotate. Go up the external diameter of casing 1 and the external diameter of casing 4 down and all be less than the external diameter of carousel 504, carousel 504 sets up between the open end of last casing 1 and the open end of casing 4 down, is equivalent to carousel 504 by the centre gripping between last casing 1 and casing 4 down or go up casing 1 and casing 4 down and be located the top of carousel 504 below respectively, and the central line of carousel 504 and the central line of last casing 1 and the central line of casing 4 all coincide down. A feed opening 505 for distributing nutritious food is arranged on the radial surface of the turntable 504, the outer circumferential surface of the turntable 504 is provided with driving teeth matched with an output gear 503 in the driving assembly, and the motor 502 can drive the turntable 504 to rotate through the output gear 503 and the driving teeth.

It should be noted that the number of the feed openings 505 is at least two, and preferably the number of the feed openings 505 is four, and the feed openings are arranged at equal angles along the center of the turntable 504. Generally, the number of the feed openings 505 is the same as that of the injection holes 2 so that a plurality of kinds of nutritious foods are simultaneously dispensed. In order to facilitate the effective distribution of the nutritious food, the feed opening 505 is generally circular, but is not limited to circular, and may be square or other shapes.

The rotary filling mechanism 3 comprises a rotating assembly, a linkage telescopic assembly and a storage pipe 309 with two open ends, the storage pipe 309 is used for storing nutritious food, the main structure of the storage pipe 309 can be a cylindrical structure, and the rotary filling mechanism 3 is used for controlling the storage pipe 309 to stretch and retract through the rotating assembly and the linkage telescopic assembly so as to realize the adding and distribution of the nutritious food. Specifically, the rotating assembly is vertically arranged along the center lines of the upper shell 1, the lower shell 4 and the turntable 504, the upper end of the rotating assembly is arranged above the upper shell 1, and the middle part and the lower end of the rotating assembly are respectively movably connected with the turntable 504 and the lower shell 4. The linkage telescopic components are uniformly fixed on the rotating components, and the storage pipes 309 are vertically fixed on the rotating components respectively. In addition, a top cap 310 is provided at the upper end opening of the storage tube 309, and the diameter of the top cap 310 is slightly smaller than that of the injection hole 2. The rotating assembly and the linkage telescopic assembly are matched to control the upper ends of the storage pipes 309 to respectively correspond to the injection holes 2, and the rotating distribution mechanism 5 and the rotating filling mechanism 3 are matched to control the lower ends of the storage pipes 309 to respectively correspond to the feed openings 505.

It should be noted that the number of the interlocking expansion and contraction members and the number of the storage pipes 309 are at least two, and it is preferable that the number of the injection holes 2, the number of the feed openings 505, the number of the interlocking expansion and contraction members, and the number of the storage pipes 309 are the same. In order to ensure smooth addition and quantitative distribution of various nutritional foods, it is further preferable that the linked telescopic assemblies and the storage tubes 309 are arranged at equal angles around the axis of the rotating assembly. Since the rotating assembly is vertically disposed along the center lines of the upper casing 1, the lower casing 4 and the turntable 504, the injection hole 2, the feed opening 505, the linkage expansion assembly and the storage tube 309 are arranged at an equal angle with the axis of the rotating assembly as the center.

In addition, in order to prevent the nutritious food in the storage tube 309 from leaking, it is preferable that the height of the storage tube 309 is slightly smaller than the distance between the inner surface of the closed end of the upper casing 1 and the rotary plate 504, i.e., the nutritious food in the storage tube 309 does not leak from the gap between the lower end of the storage tube 309 and the rotary plate 504 when the storage tube 309 and the rotary plate 504 rotate relatively.

It should be noted that the rotating assembly includes a rotating shaft 301 and a handle 302, the upper end of the rotating shaft 301 is located above the upper casing 1 and fixedly connected to the handle 302, the lower end of the rotating shaft 301 enters the lower casing 4 after passing through the turntable 504 from the center of the closed end of the upper casing 1, then the middle and lower ends of the rotating shaft 301 are respectively connected to the center of the turntable 504 and the closed end of the lower casing 4 through bearings, and the axis of the rotating shaft 301 after connection coincides with the center line of the upper casing 1, the center line of the lower casing 4 and the center line of the rotating shaft. Accordingly, the rotation of the rotary shaft 301 by the handle 302 controls the extension and contraction of the storage tube 309, and the injection hole 2 and the discharge hole 505 are associated with each other.

The specific structure of the linkage telescopic assembly is not limited in this embodiment, as long as the linkage telescopic assembly can drive the storage tube 309 to extend and retract under the control of the rotating assembly, and the storage tube can correspond to the injection hole 2 or the feed opening 505 as needed. Based on this, the cooperation of the rotating assembly and the linkage telescopic assembly can control the upper end of each storage tube 309 to correspond to the injection hole 2 respectively, which means that: when the rotating assembly controls the linkage telescopic assembly to extend to the maximum stroke, the axis of the upper opening of each storage tube 309 coincides with the axis of the filling hole 2, and different nutritious foods can be added into each storage tube 309 by opening the top cover 310. The cooperation of the rotary distribution mechanism 5 and the rotary filling mechanism 3 can control the lower end of each storage tube 309 to correspond to the feed opening 505: when the rotating assembly controls the linkage telescopic assembly to contract to the minimum stroke, the driving assembly controls the rotating disc 504 to rotate so that the axial lead of the lower end opening of each storage tube 309 coincides with the axial lead of the feed opening 505 at the same time, and at the moment, the adding amount of each nutritional food can be controlled by controlling the time for aligning the storage tubes 309 with the feed opening 505.

The working principle of the embodiment is as follows:

1. the rotation of the rotating shaft 301 is controlled by the handle 302, so that the linked telescopic components extend outwards, when the linked telescopic components extend to the maximum stroke, the upper ends of the storage tubes 309 just correspond to the injection holes 2, and at the moment, the top cover 310 is opened, so that various nutritional foods can be added into the storage tubes 309. After the nutritional food is added, the rotating shaft 301 is controlled to rotate reversely by the handle 302, so that the linkage telescopic assembly is retracted inwards to return to the minimum stroke, and the lower end opening of each storage tube 309 and each discharge opening 505 are on the same circumference.

2. The rotation of the turntable 504 is controlled by the motor 502 through the output gear 503, so that the feed openings 505 are simultaneously aligned with the lower openings of the storage tubes 309, and the nutritional food in the storage tubes 309 enters the lower housing 4 through the feed openings 505. By controlling the timing of stopping and starting the motor 502, the time for aligning the lower opening of the storage tube 309 with the feed opening 505 can be controlled to control the amount of each nutritional food, the distribution is accurate, and the food can be taken out through the discharge window 6 after the distribution is completed.

Example 2

In addition to embodiment 1, in order to control the extension stroke of the linkage extension assembly more accurately, the inner surface of the closed end of the upper casing 1 of this embodiment is provided with a stroke limiting structure matched with the linkage extension assembly. During the in-service use, the flexible stroke of each flexible subassembly of linkage is controlled to runner assembly accessible stroke limit structure. As shown in fig. 4, the stroke limiting structure includes a circular groove 303 formed along the axis of the upper housing 1 and straight grooves 304 uniformly arranged around the circular groove 303, the number of the circular grooves 303 is one, and the number of the straight grooves 304 is the same as that of the linked telescopic assemblies. The rotating assembly controls the telescopic stroke of each linkage telescopic assembly through the circular groove 303 and the straight groove 304.

Specifically, the flexible subassembly of linkage includes bull stick 307, bull stick 308, stopper 305 and No. two stoppers 306, and bull stick 307 and No. two bull sticks 308 all transversely set up. Wherein, the first rotating rod 307 is transversely fixed on the rotating component, one end of the second rotating rod 308 is hinged with the first rotating rod 307, and the other end is fixedly connected with the storage pipe 309; the first limiting block 305 and the second limiting block 306 are respectively fixed on the first rotating rod 307 and the second rotating rod 308, and the first limiting block 305 and the second limiting block 306 are respectively positioned in the circular groove 303 and the straight groove 304. Taking four sets of linkage telescopic assemblies as an example, the first limiting blocks 305 of the four sets of linkage telescopic assemblies are all located in the circular grooves 303, and the second limiting blocks 306 of the four sets of linkage telescopic assemblies are respectively located in the four straight grooves 304. When the extension and contraction of the interlocking expansion and contraction members are controlled by the handle 302 and the rotary shaft 301, the expansion and contraction stroke of each interlocking expansion and contraction member can be controlled by the circular groove 303 and the straight groove 304, and thus both ends of the storage tube 309 can be controlled to be accurately aligned with the injection hole 2 or the discharge hole 505.

The present embodiment further defines a connection structure between the first rotating rod 307 and the second rotating rod 308, and preferably, a step is provided at an end of the first rotating rod 307, the second rotating rod 308 is hinged to the step through a pin shaft, and an upper surface of the first rotating rod 307 and an upper surface of the second rotating rod 308 are in the same horizontal plane after connection. Thus, the second rotating rod 308 can realize stable expansion and contraction control of the storage tube 309 by the first rotating rod 307.

The working principle of the embodiment is as follows:

1. the rotation of the rotating shaft 301 is controlled by the handle 302, the rotating shaft 301 drives the first rotating rod 307 to rotate, the second rotating rod 308 moves along the straight groove 304 to drive the storage pipes 309 to extend outwards, so that the openings formed in the tops of the storage pipes are aligned with the injection holes 2, different nutritious foods can be added into the storage pipes 309 through the injection holes 2 when the top cover 310 is taken down, the handle 302 is rotated reversely after the storage pipes 309 are reset, the through holes in the bottoms of the storage pipes 309 are located on the same circumference with the feed openings 505, the rotating disc 504 can be driven to rotate through gear transmission by starting the motor 502, the motor 502 is controlled to stop and start at regular time, so that the time for aligning the openings in the lower ends of the storage pipes 309 with the feed openings 505 is controlled, the adding amount of the nutritious foods is controlled, the distribution is accurate, and the nutritious foods are taken out through the discharge window 6 after the distribution is completed.

While the utility model has been described with reference to specific embodiments, any feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise; all of the disclosed features, or all of the method or process steps, may be combined in any combination, except mutually exclusive features and/or steps.

Claims

1. A food dispensing apparatus for use in food nutrition, characterized by: the filling device comprises an upper shell (1), a lower shell (4), a rotary filling mechanism (3) and a rotary distribution mechanism (5), wherein the upper shell (1) and the lower shell (4) are both provided with an open end and a closed end, the closed end of the upper shell (1) is provided with an injection hole (2), and the lower shell (4) is provided with a discharge window (6); the rotary distribution mechanism (5) comprises a driving assembly and a rotary table (504), the rotary table (504) is arranged between the open end of the upper shell (1) and the open end of the lower shell (4), a feed opening (505) is formed in the rotary table (504), and the driving assembly for driving the rotary table (504) is fixed on the lower shell (4); the rotary filling mechanism (3) comprises a rotating assembly, a linkage telescopic assembly and storage pipes (309) with openings at two ends, the upper end of the rotating assembly is positioned above the upper shell (1), the middle part and the lower end of the rotating assembly are respectively movably connected with a turntable (504) and the lower shell (4), the linkage telescopic assembly is uniformly fixed on the rotating assembly, and the storage pipes (309) are respectively fixed on the rotating assembly; the rotating assembly and the linkage telescopic assembly are matched to control the upper ends of the storage pipes (309) to correspond to the injection holes (2) respectively, and the rotating distribution mechanism (5) and the rotating filling mechanism (3) are matched to control the lower ends of the storage pipes (309) to correspond to the feed opening (505) respectively.

2. The food dispensing apparatus for nutriology of claim 1, wherein: the rotating assembly and the linkage telescopic assembly are matched to control the upper ends of the storage pipes (309) to respectively correspond to the injection holes (2), namely: when the rotating assembly controls the linkage telescopic assembly to extend to the maximum stroke, the axial lead of the upper end opening of each storage tube (309) coincides with the axial lead of the injection hole (2); the fact that the lower ends of the storage pipes (309) can be controlled to correspond to the feed opening (505) through the matching of the rotary distribution mechanism (5) and the rotary filling mechanism (3) means that: when the rotating assembly controls the linkage telescopic assembly to contract to the minimum stroke, the driving assembly controls the rotating disc (504) to rotate so that the axis of the lower end opening of each storage pipe (309) coincides with the axis of the feed opening (505) at the same time.

3. A food dispensing apparatus for alimentary use according to claim 1 or 2, wherein: the inner surface of the closed end of the upper shell (1) is provided with a stroke limiting structure matched with the linkage telescopic assemblies, and the rotating assemblies control the telescopic strokes of the linkage telescopic assemblies through the stroke limiting structure.

4. A food dispensing apparatus for use in dietetic applications according to claim 3, wherein: the stroke limiting structure comprises a circular groove (303) formed along the axis of the upper shell (1) and straight grooves (304) uniformly formed around the circular groove (303), and the rotating assembly controls the telescopic stroke of each linkage telescopic assembly through the circular groove (303) and the straight grooves (304).

5. The food dispensing apparatus for nutriology of claim 4, wherein: the linkage telescopic assembly comprises a first rotating rod (307), a second rotating rod (308), a first limiting block (305) and a second limiting block (306), the first rotating rod (307) is transversely fixed on the rotating assembly, one end of the second rotating rod (308) is hinged with the first rotating rod (307), and the other end of the second rotating rod (308) is fixedly connected with the storage pipe (309); the first limiting block (305) and the second limiting block (306) are respectively fixed on the first rotating rod (307) and the second rotating rod (308), and the first limiting block (305) and the second limiting block (306) are respectively positioned in the circular groove (303) and the straight groove (304).

6. The food dispensing apparatus for nutriology of claim 5, wherein: the end of the first rotating rod (307) is provided with a step, the second rotating rod (308) is hinged to the step through a pin shaft, and the upper surface of the connected first rotating rod (307) and the upper surface of the second rotating rod (308) are located on the same horizontal plane.

7. The food dispensing apparatus for nutriology of claim 1, wherein: the number of the injection holes (2), the number of the feed openings (505), the number of the linkage telescopic assemblies and the number of the storage pipes (309) are the same, and the injection holes (2), the feed openings (505), the linkage telescopic assemblies and the storage pipes (309) are arranged at equal angles by taking the axis of the rotating assembly as the center.

8. The food dispensing apparatus for nutriology of claim 1, wherein: go up casing (1) and lower casing (4) and be cylindrical structure, the external diameter of going up casing (1) and the external diameter of lower casing (4) all are less than the external diameter of carousel (504), the outer periphery of carousel (504) is equipped with the drive tooth with drive assembly complex.

9. The food dispensing apparatus for nutriology of claim 1, wherein: the driving assembly comprises a supporting plate (501), a motor (502) and an output gear (503), the supporting plate (501) is fixed above the discharging window (6) on the side surface of the lower shell (4), the motor (502) is fixed on the supporting plate (501), and the output gear (503) used for driving the rotating disc (504) is fixed on a power shaft of the motor (502).

10. The food dispensing apparatus for nutriology of claim 1, wherein: the rotating assembly comprises a rotating shaft (301) and a handle (302), the upper end of the rotating shaft (301) is fixedly connected with the handle (302), and the middle part and the lower end of the rotating shaft (301) are respectively connected with the turntable (504) and the closed end of the lower shell (4) through bearings.