CN217214008U - Artificial stomach simulated digestion system - Google Patents

Abstract

The utility model discloses an artificial stomach simulated digestion system, which relates to the technical field of experimental devices, a digestive juice conveying mechanism can be communicated with the interior of an artificial stomach and used for supplementing digestive juice to the interior of the artificial stomach, and a power mechanism is positioned at the periphery of the artificial stomach and respectively used for massaging different positions of the artificial stomach; the heat preservation chamber comprises a heat preservation frame and a cover plate, one side of the cover plate is hinged to an opening at the upper end of the heat preservation frame, a telescopic mechanism is further arranged between the cover plate and the heat preservation frame, and the telescopic mechanism can drive the cover plate to rotate and realize the opening and closing of the cover plate; power unit includes driving motor, reduction gear, driving medium, chain and a plurality of gyro wheel, and driving motor rotates and through the reduction gear speed reduction, and the reduction gear can drive the driving medium and rotate to make the driving medium drive the chain and rotate, the gyro wheel is installed in the different positions of chain outer lane, and can move to the outer wall of contact or contactless artificial stomach under the drive of chain. The artificial stomach simulated digestion system has small volume, beautiful whole and long service life.

Description

Artificial stomach simulated digestion system

Technical Field

The utility model relates to an experimental apparatus technical field specifically relates to an artificial stomach simulation digestive system.

Background

The digestive system is one of the most complex systems of the human body, and with the increasing importance of consumers on food health and nutrition, the research on the action and effect of the components ingested by the human body in the body is also deepened gradually. Compared with an in-vivo digestion test, the in-vitro digestion can reflect the digestion and utilization conditions after food intake, and the method has the advantages of short time consumption, low cost, strong repeatability, no ethical constraint and the like.

The in vitro simulated digestion system is divided into dynamic simulated digestion and static simulated digestion. Wherein, after a mechanical device for simulating gastrointestinal peristalsis is added in the dynamic simulation digestion, the dynamic digestion model can more accurately simulate the in-vivo digestion process. The advantage of dynamic simulation digestion is that the physical change process in the digestive process of the gastrointestinal tract can be simulated, for example, the physical forms of the viscosity, the crushing particle size and the like of the digestate in different time in the digestive process can be observed through a dynamic model, and the generation, the diffusion and the like of colloid can also be observed so as to detect the change of the nutrient components in different digestive stages.

A dynamic Human Stomach model (HGS) developed by Davis university of California and New Zealand Meixi university is one of the most typical dynamic Human Stomach simulated Digestion devices at present, and is specifically disclosed in Kong & Singh, article "AHuman Gastric Simulator (HGS) to Study Food diagnostic in Human Stomache" (Journal of Food Science 2010, 75, E627-E635). However, the existing HGS system has some disadvantages, such as the adoption of a huge motor as power output and the dispersion of power in four directions, the large size of the motor and the power dispersion system makes the device very heavy; the cover plate of the heat-insulating frame is connected with the heat-insulating frame by adopting an iron chain, so that the cover plate is inconvenient to open and close; the belt is adopted for transmission, the high polymer material is easy to age, and the whole service life is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an artificial stomach simulation digestive system to solve the problems existing in the prior art, and has small volume, beautiful whole and long service life.

In order to achieve the above object, the utility model provides a following scheme:

the utility model provides an artificial stomach simulated digestion system, which comprises a heat preservation chamber, an artificial stomach, a digestive juice conveying mechanism and a plurality of power mechanisms, wherein the artificial stomach, the digestive juice conveying mechanism and the power mechanisms are arranged in the heat preservation chamber; the heat preservation chamber comprises a heat preservation frame and a cover plate, one side of the cover plate is hinged to an opening at the upper end of the heat preservation frame, a telescopic mechanism is further arranged between the cover plate and the heat preservation frame, and the telescopic mechanism can drive the cover plate to rotate and realize the opening and closing of the cover plate; the power mechanism comprises a driving motor, a speed reducer, a transmission part, a chain and a plurality of idler wheels, the driving motor rotates and is decelerated by the speed reducer, the speed reducer can drive the transmission part to rotate, the transmission part drives the chain to rotate, the idler wheels are installed at different positions of the outer ring of the chain and can move to be in contact with or not in contact with the outer wall of the artificial stomach under the driving of the chain.

Preferably, the transmission part comprises a driving wheel, a lower shaft, a bearing with a seat, an upper shaft and a driven wheel, the bearing with the seat is fixed at one end of a mounting component, the mounting component is mounted inside the heat preservation chamber, the upper shaft is mounted at the other end of the mounting component, the driven wheel is rotatably mounted at the periphery of the upper shaft, one end of the lower shaft is fixed to an output shaft of the speed reducer, the other end of the lower shaft is connected with the bearing with the seat, the driving wheel is sleeved on the periphery of the lower shaft and can rotate along with the lower shaft, the periphery of the driving wheel is meshed with the chain, and the chain can drive the driven wheel to rotate when rotating.

Preferably, the installation component includes long backup pad, short backup pad and L type backup pad, the lower extreme of L type backup pad is installed the interior bottom surface of heat preservation room, just the upper end of L type backup pad with the lower extreme of long backup pad can be dismantled and be connected, the chain is located long backup pad with between the short backup pad, just short backup pad through a plurality of branches install in the one end of long backup pad, the rolling bearing install in be close to one side of long backup pad in the short backup pad, just driving motor with the reduction gear all install in keep away from in the long backup pad one side of short backup pad, the action wheel is located long backup pad with between the short backup pad, the upper shaft install in keep away from in the long backup pad the one end of short backup pad.

Preferably, the chain outer lane corresponds each the rigidity of gyro wheel is equipped with the horse-riding card, two the gyro wheel is a set of, and is same in the power unit the gyro wheel is three groups, and two of same group the array direction of gyro wheel with the reduction gear output shaft is parallel, two the gyro wheel all rotates to be installed on a gyro wheel cover, spacing perforation has been seted up at the middle part of gyro wheel cover, the upper and lower both ends at gyro wheel cover middle part all are fixed with spacing piece, correspond two on the horse-riding card the spacing groove has all been seted up in the position of spacing piece, pass in proper order through the bolt spacing perforation with the horse-riding card middle part to screw the bolt through the nut, realize the horse-riding card with the connection of gyro wheel cover.

Preferably, the digestive juice conveying mechanism comprises a gastric juice conveying pump and a hydrochloric acid conveying pump, the gastric juice conveying pump is communicated with a gastric juice containing device and is used for conveying gastric juice to the artificial stomach, and the hydrochloric acid conveying pump is communicated with a hydrochloric acid containing device and is used for conveying hydrochloric acid to the artificial stomach.

Preferably, the telescopic mechanism comprises two hydraulic rods, the two hydraulic rods are respectively installed on the two opposite inner walls of the heat-insulating frame, the lower ends of the hydraulic rods are rotatably installed on the inner walls of the heat-insulating frame, and the upper ends of the hydraulic rods are rotatably installed on the lower end face of the cover plate.

Preferably, the digestion device further comprises a support frame and a base, wherein the base is installed at the upper end of the support frame and is used for installing the heat preservation frame and the digestion liquid conveying mechanism, a power supply chamber is further arranged outside the heat preservation frame, and the power supply chamber is used for installing a circuit assembly.

Preferably, still install a plurality of bracing pieces on the base, the upper end and a mounting flange of bracing piece are connected, artifical stomach place in the mounting flange, just the upper end of artifical stomach is overturn downwards and the cover is located mounting flange's upper end, the lower extreme of artifical stomach is for leaking hopper-shaped, just the liquid outlet that can communicate the external world is seted up to the lower extreme of artifical stomach.

Preferably, each inner side wall of the heat preservation frame is provided with a heater; install temperature controller, temperature sensor, relay, machine controller, motor driver, power, switch in the power supply room, the switch is used for control the switching of power, the power is used for providing the electric energy, the relay is used for control circuit, temperature controller the heater with the equal electricity of temperature sensor is connected, just temperature controller is used for control the heating temperature of heater, temperature sensor is used for detecting the temperature in the heat preservation frame, machine controller is used for control the machine driver action, and pass through machine driver control driving motor's operation.

Preferably, the artificial stomach is made of a silica gel material, and the mounting flange is made of a resin material.

The utility model discloses for prior art gain following technological effect:

the utility model provides an artificial stomach simulation digestion system, used for placing the food to be digested in the artificial stomach, the digestive juice conveying mechanism can be communicated with the interior of the artificial stomach and used for supplementing the digestive juice to the artificial stomach so as to simulate the digestion process, the power mechanism is positioned at the periphery of the artificial stomach and respectively used for massaging different positions of the artificial stomach so as to simulate the stomach power from a plurality of directions; the heat preservation chamber comprises a heat preservation frame and a cover plate, one side of the cover plate is hinged to an opening at the upper end of the heat preservation frame, a telescopic mechanism is further arranged between the cover plate and the heat preservation frame, the whole body can be shielded through the cover plate, the whole body is more attractive, and meanwhile, the telescopic mechanism can be used for conveniently realizing the opening and closing and the position fixing of the cover plate; power unit includes driving motor, the reduction gear, the driving medium, chain and a plurality of gyro wheel, the chain is compared in current belt formula transmission, can avoid using for a long time the back ageing, prolong whole life, reduce cost, four power units use different driving motor respectively simultaneously, avoid setting up power disperse system, simplify overall structure, reduce the volume, make whole light easy to carry more, driving motor rotates and slows down through the reduction gear, avoid driving motor low-speed operation, cause and generate heat, influence life, the reduction gear can drive the driving medium and rotate, and make the driving medium drive chain rotate, the gyro wheel is installed in the different positions of chain outer lane, and can remove to the outer wall of contact or contactless artifical stomach under the drive of chain, and then through the outer wall of alternative contact artifical stomach, simulation stomach wall muscle shrink wriggling.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of an artificial stomach simulated digestion system provided by the present invention;

FIG. 2 is a schematic view of the internal structure of the simulated digestion system of the artificial stomach provided by the present invention;

FIG. 3 is a schematic view of the artificial stomach of the present invention engaged with a power mechanism;

fig. 4 is a side view of the power mechanism of the present invention;

FIG. 5 is an exploded view of the connection of the middle upper shaft and the driven wheel of the present invention;

FIG. 6 is an exploded view of the connection between the lower shaft and the driving wheel;

FIG. 7 is a schematic view of the connection between the chain and the roller of the present invention;

in the figure: 100-artificial stomach simulated digestion system, 1-cover plate, 2-heat preservation frame, 3-power supply chamber, 4-base, 5-telescopic mechanism, 6-gastric juice delivery pump, 7-hydrochloric acid delivery pump, 8-power mechanism, 9-artificial stomach, 10-mounting flange, 11-heater, 12-temperature controller, 13-motor controller, 14-switch, 15-support rod, 16-motor driver, 17-relay, 18-long support plate, 19-roller, 20-chain, 21-driving motor, 22-L-shaped support plate, 23-short support plate, 24-reducer, 25-driving wheel, 26-bearing with seat, 27-support rod, 28-driven wheel and 29-upper shaft, 30-horsecard, 31-lower shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model aims at providing an artificial stomach simulation digestive system to solve the technical problems that the existing artificial stomach simulation digestive system is large in size, parts are exposed to influence attractiveness and short in service life.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-7, the utility model provides an artificial stomach simulated digestion system 100, which comprises a heat preservation chamber, an artificial stomach 9, a digestive juice conveying mechanism and a plurality of power mechanisms 8, wherein the artificial stomach 9, the digestive juice conveying mechanism and the power mechanisms 8 are arranged in the heat preservation chamber, the artificial stomach 9 is used for placing foods to be digested, the digestive juice conveying mechanism can be communicated with the interior of the artificial stomach 9 and is used for supplementing digestive juice into the artificial stomach 9 so as to simulate a digestion process, and the power mechanisms 8 are arranged at the periphery of the artificial stomach 9 and are respectively used for massaging different positions of the artificial stomach 9 so as to simulate stomach power from a plurality of directions; the heat preservation chamber comprises a heat preservation frame 2 and a cover plate 1, the size of the heat preservation frame 2 is 600 x 500mm, the heat preservation frame 2 is formed by cutting, bending and welding 304 stainless steel, the heat preservation frame 2 can be processed into an interlayer with the thickness of 20mm, asbestos is filled for heat preservation, or a polyurethane heat preservation plate is used for heat preservation, one side of the cover plate 1 is hinged to an opening at the upper end of the heat preservation frame 2, a telescopic mechanism 5 is further arranged between the cover plate 1 and the heat preservation frame 2, the whole body can be shielded through the arrangement of the cover plate 1, the whole body is more attractive, meanwhile, the telescopic mechanism 5 can facilitate the opening and closing and the position fixing of the cover plate 1, and the cover plate 1 is made of a transparent acrylic plate with the thickness of 20 mm; power unit 8 includes driving motor 21, reduction gear 24, the driving medium, chain 20 and a plurality of gyro wheel 19, the specification of chain 20 is 08B, chain 20 is compared in current belt formula transmission, can avoid using for a long time the back ageing, prolong whole life, the cost is reduced, four power unit 8 use different driving motor 21 respectively simultaneously, avoid setting up power disperse system, simplify overall structure, reduce the volume, make whole light portable easily to carry, preferably, driving motor 21 is step motor, the model is 42HS60, and can carry out accurate automated control through programming, reduction gear 24 is planetary gear reducer, the model is 42XG188, and simultaneously, reduction gear 24's reduction ratio is 1: 188, adjust driving motor 21's rotational speed, realize that chain 20 rotates 1 week/minute, gyro wheel 19 massages 3 times to artifical stomach 9 every minute, realize the simulation of 3 frequency of artifical stomach 9 every minute wriggling from this, reduce speed through reduction gear 24, avoid driving motor 21 low-speed operation, cause and generate heat, influence life, reduction gear 24 can drive the driving medium and rotate, and make the driving medium drive chain 20 rotate, gyro wheel 19 installs in the different positions of chain 20 outer lane, and can move to the outer wall of contact or contactless artifical stomach 9 under chain 20's drive, and then through the outer wall of alternative contact artifical stomach 9, simulation stomach wall muscle shrink wriggling.

Specifically, as shown in fig. 3-6, the transmission member includes a driving wheel 25, a lower shaft 31, a bearing 26 with seat, an upper shaft 29 and a driven wheel 28, the bearing 26 with seat is fixed at one end of an installation component, preferably at the lower end of the installation component, and is installed by a bolt, and can be conveniently detached, the installation component is installed inside the heat preservation chamber, so as to conveniently limit the transmission member in the heat preservation chamber, and realize the peristalsis simulation of the artificial stomach 9, the upper shaft 29 is installed at the other end, preferably at the upper end, of the installation component, the driven wheel 28 is rotatably installed at the periphery of the upper shaft 29, so as to enable the rotation of the driven wheel 28 to be unaffected, one end of the lower shaft 31 is fixed with the output shaft of the reducer 24, and the other end of the lower shaft 31 is connected with the bearing 26 with seat, the driving wheel 25 is sleeved at the periphery of the lower shaft 31, and is connected by a key, so that the driving wheel 25 can rotate along with the lower shaft 31, the periphery of action wheel 25 meshes with chain 20, and then when driving motor 21 drove reduction gear 24 operation, reduction gear 24 drove lower shaft 31 and action wheel 25 and rotates, improves the stability when rotating through taking seat bearing 26 simultaneously, can drive chain 20 when action wheel 25 rotates and rotate, and chain 20 drives and rotates from driving wheel 28, realizes the stable rotation of chain 20. Preferably, the upper shaft 29 and the lower shaft 31 are both 304 stainless steel, the driven wheel is a thirteen-quarter double bearing idler wheel, the model is 08B, the diameter of the inner hole is 12mm, the driving wheel 25 is also 4 minutes (08B) by 13 teeth, and no bearing is arranged inside.

The mounting assembly comprises a long support plate 18, a short support plate 23 and an L-shaped support plate 22, the lower end of the L-shaped support plate 22 is mounted on the inner bottom surface of the heat preservation chamber, the upper end of the L-shaped support plate 22 and the lower end of the long support plate 18 can be detachably connected, preferably connected through a bolt, a chain 20 is positioned between the long support plate 18 and the short support plate 23, the short support plate 23 is mounted at one end of the long support plate 18 through a plurality of support rods 27, both ends of each support rod 27 are provided with holes, the support rods 27 and the long support plate 18 are connected through bolts, the support rods 27 and the short support plate 23 are connected through bolts, the long support plate 18 and the short support plate 23 are connected, the distance between the long support plate 18 and the short support plate 23 can be limited by adjusting the length of the support rods 27, the short support plate 23 can be prevented from shaking, the length of the support rods 27 is 42mm, and the length determines the distance between the short support plate 23 and the long support plate 18, just can install the belt seat bearing 26, lower shaft 31 and action wheel 25, and belt seat bearing 26 is installed in the one side that is close to long backup pad 18 on short backup pad 23, and driving motor 21 and reduction gear 24 all install the one side of keeping away from short backup pad 23 on long backup pad 18, and action wheel 25 is located between long backup pad 18 and short backup pad 23, and upper shaft 29 is installed in the one end of keeping away from short backup pad 23 on long backup pad 18. Preferably, the support of the seated bearing 26 is a rhombic miniature support, the model of the seated bearing 26 is KFL08, the inner diameter is 8mm, the lower end of the L-shaped supporting plate 22 is provided with a long hole, and the contact distance between the roller 19 and the artificial stomach 9 can be changed by adjusting the fixed position of the L-shaped supporting plate 22, so that the requirement of stomach power is met, and the simulation of the peristalsis of the stomachs with different strengths is realized.

As shown in fig. 7, a saddle clamp 30 is fixed at a position of the outer ring of the chain 20 corresponding to each roller 19, the saddle clamp 30 is made of resin and prepared by 3D printing, the saddle clamp 30 is installed on the chain 20 through a bent plate, the saddle clamp 30 is connected with the bent plate through a bolt, two rollers 19 are in one group, the rollers 19 in the same power mechanism 8 are in three groups, the three groups of rollers 19 are uniformly arranged on the outer ring of the chain 20, but in the actual use process, the number of the groups of the rollers 19 can be adjusted as required, the arrangement direction of the two rollers 19 in the same group is parallel to the output shaft of the reducer 24, the two rollers 19 are rotatably installed on a roller sleeve, a limiting through hole is formed in the middle of the roller sleeve, limiting pieces are fixed at the upper and lower ends of the middle of the roller sleeve, limiting grooves are formed in positions of the saddle clamp 30 corresponding to the two limiting pieces, and pass through the limiting through hole and the middle of the saddle clamp 30 in sequence through a bolt, and the bolts are screwed through nuts to realize the connection between the riding card 30 and the roller sleeve, and further realize the connection between the chain 20 and the roller 19.

Digestive juice conveying mechanism includes gastric juice delivery pump 6 and hydrochloric acid delivery pump 7, and gastric juice delivery pump 6 holds the device intercommunication with gastric juice to carrying gastric juice in the artificial stomach 9, and hydrochloric acid delivery pump 7 holds the device intercommunication with hydrochloric acid, and is used for carrying hydrochloric acid in to artificial stomach 9, and in the in-service use in-process, according to actual need control gastric juice delivery pump 6 and hydrochloric acid delivery pump 7 operation respectively to simulate the digestion process in the stomach.

Telescopic machanism 5 includes two hydraulic stems, and two hydraulic stems are installed respectively on two relative inner walls on heat preservation frame 2, and the lower extreme of hydraulic stem rotates and installs on heat preservation frame 2's inner wall, and the upper end of hydraulic stem rotates and installs the lower terminal surface at apron 1, and then realizes through the synchronous flexible of hydraulic stem that lap 1's stability is opened and shut, and the hydraulic stem is compared in current iron chain connection simultaneously, can pass through control system control, convenient to use, and be convenient for fixed.

The utility model provides an artificial stomach simulation digestive system 100 still includes support frame and base 4, base 4 installs in the upper end of support frame, and be used for installing heat preservation frame 2 and digestive juice conveying mechanism on the base 4, the outside of heat preservation frame 2 still is equipped with power supply room 3, be used for installing circuit assembly in the power supply room 3, and then avoid circuit assembly to expose and influence the aesthetic property, part artificial stomach 9 and circuit assembly simultaneously, avoid circuit assembly in pollution power supply room 3 such as the residue that artificial stomach 9 dropped in the digestion process. Preferably, the support frame is similar to a table and is made of 304 square steel with dimensions 1200 x 600 x 500 mm. Universal wheels are arranged on four legs of the supporting frame, the tabletop is a white PP plate, and the thickness of the tabletop is 20 mm.

The base 4 is further provided with a plurality of support rods 15, preferably four support rods 15 which are arranged in a rectangular shape and are respectively positioned at four corners of the rectangular shape to provide stable support, the upper ends of the support rods 15 are connected with a mounting flange 10, preferably, the upper ends of the four support rods 15 are supported at the four corners of the mounting flange 10 and are screwed down through nuts to realize stable connection, the artificial stomach 9 is placed in the mounting flange 10, the upper end of the artificial stomach 9 is turned downwards and outwards and is sleeved at the upper end of the mounting flange 10, the artificial stomach 9 is made of silica gel materials, the stable connection with the mounting flange 10 can be guaranteed under the action of elastic force, deformation simulation stomach power when contacting with the idler wheel 19 can be guaranteed, meanwhile, the upper end of the artificial stomach 9 is opened in the connecting mode, food can be conveniently placed, sampling detection in the digestion process is realized, and the lower end of the artificial stomach 9 is funnel-shaped, and the lower end of the artificial stomach 9 is provided with a liquid outlet which can be communicated with the outside, so that the liquid generated in the digestion process can flow downwards conveniently. The outer diameter of the artificial stomach 9 is 106mm, the wall thickness is 2mm, the total height is 520mm, wherein the height of the bottom funnel is 80mm, the length of the bottom discharge hole is 50mm, the inner diameter is 6mm, and the wall thickness is 2 mm. The mounting flange 10 has dimensions 136 x 100mm, wherein the inner diameter of the cylinder is 110mm and the outer diameter is 116 mm. The mounting flange 10 is made of a resin material and is prepared by 3D printing.

A heater 11 is arranged on each inner side wall of the heat preservation frame 2, and the heaters 11 are arranged on the four side walls of the heat preservation frame 2, so that the preheating time of an instrument can be shortened, and meanwhile, the heating effect and uniformity are improved; the inner wall of the power supply room 3 is provided with a temperature controller 12, a temperature sensor, a relay 17, a motor controller 13, a motor driver 16, a power supply and a switch 14, wherein the switch 14 is used for controlling the on-off of the power supply, the power supply is used for supplying electric energy, preferably, the power supply is a 24V industrial switch power supply and is a mushroom head switch, the relay 17 is used for controlling a circuit, the relay 17 is a solid-state relay, the temperature controller 12, the heater 11 and the temperature sensor are all electrically connected, the temperature controller 12 is used for controlling the heating temperature of the heater 11, the temperature sensor is used for detecting the temperature in the laboratory chamber, and the motor controller 13 is used for controlling the action of the motor driver 16 and controlling the operation of the driving motor 21 through the motor driver 16. The temperature controller 12 is a PID temperature controller, the control precision reaches 37 +/-0.1 ℃ by using a PID artificial intelligence temperature control system, and the heater 11 is an axial flow fan heater. Preferably, after the switch 14 is turned on, the fans of the heaters 11 are always rotated, and the four heaters 11 are synchronously and automatically turned on and off by the temperature controller 12 according to the temperature requirement.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.

Claims (10)

1. An artificial stomach simulated digestion system characterized by: the artificial stomach massage device comprises a heat preservation chamber, an artificial stomach, a digestive juice conveying mechanism and a plurality of power mechanisms, wherein the artificial stomach, the digestive juice conveying mechanism and the power mechanisms are arranged in the heat preservation chamber, the artificial stomach is used for placing food to be digested, the digestive juice conveying mechanism can be communicated with the interior of the artificial stomach and is used for supplementing digestive juice to the artificial stomach, and the power mechanisms are positioned on the periphery of the artificial stomach and are respectively used for massaging different positions of the artificial stomach; the heat preservation chamber comprises a heat preservation frame and a cover plate, one side of the cover plate is hinged to an opening at the upper end of the heat preservation frame, a telescopic mechanism is further arranged between the cover plate and the heat preservation frame, and the telescopic mechanism can drive the cover plate to rotate and realize the opening and closing of the cover plate; the power mechanism comprises a driving motor, a speed reducer, a transmission part, a chain and a plurality of idler wheels, the driving motor rotates and is decelerated by the speed reducer, the speed reducer can drive the transmission part to rotate, the transmission part drives the chain to rotate, the idler wheels are installed at different positions of the outer ring of the chain and can move to be in contact with or not in contact with the outer wall of the artificial stomach under the driving of the chain.

2. The artificial stomach simulated digestion system according to claim 1, wherein: the transmission part comprises a driving wheel, a lower shaft, a bearing with a seat, an upper shaft and a driven wheel, the bearing with the seat is fixed at one end of an installation component, the installation component is installed inside the heat preservation chamber, the upper shaft is installed at the other end of the installation component, the driven wheel is installed in the periphery of the upper shaft in a rotating mode, one end of the lower shaft is fixed to an output shaft of the speed reducer, the other end of the lower shaft is connected with the bearing with the seat, the driving wheel is sleeved on the periphery of the lower shaft and can rotate along with the lower shaft, the periphery of the driving wheel is meshed with the chain, and the chain can drive the driven wheel to rotate when rotating.

3. The artificial stomach simulated digestion system according to claim 2, wherein: the installation component comprises a long support plate, a short support plate and an L-shaped support plate, the lower end of the L-shaped support plate is installed on the inner bottom surface of the heat preservation chamber, the upper end of the L-shaped support plate can be detachably connected with the lower end of the long support plate, the chain is located between the long support plate and the short support plate, the short support plate is installed at one end of the long support plate through a plurality of supporting rods, a bearing with a seat is installed at one side, close to the long support plate, of the short support plate, the driving motor and the speed reducer are installed at one side, far away from the short support plate, of the long support plate, the driving wheel is located between the long support plate and the short support plate, and the upper shaft is installed at one end, far away from the short support plate, of the long support plate.

4. The artificial stomach simulated digestion system according to claim 1, wherein: the chain outer lane corresponds each the rigidity of gyro wheel is equipped with the horse-riding card, two the gyro wheel is a set of, and is same in the power unit the gyro wheel is three groups, and with two of intragroup the array direction of gyro wheel with the reduction gear output shaft is parallel, two the gyro wheel all rotates and installs on a gyro wheel cover, spacing perforation has been seted up at the middle part of gyro wheel cover, the upper and lower both ends at gyro wheel cover middle part all are fixed with spacing piece, correspond two on the horse-riding card spacing groove has all been seted up in the position of spacing piece, pass in proper order through the bolt spacing perforation with the horse-riding card middle part to screw the bolt through the nut, realize the horse-riding card with the connection of gyro wheel cover.

5. The artificial stomach simulated digestion system according to claim 1, wherein: the digestive juice conveying mechanism comprises a gastric juice conveying pump and a hydrochloric acid conveying pump, the gastric juice conveying pump is communicated with a gastric juice containing device and used for conveying gastric juice to the artificial stomach, and the hydrochloric acid conveying pump is communicated with a hydrochloric acid containing device and used for conveying hydrochloric acid to the artificial stomach.

6. The artificial stomach simulated digestion system according to claim 1, wherein: the telescopic mechanism comprises two hydraulic rods, the two hydraulic rods are respectively arranged on the two opposite inner walls of the heat-insulation frame, the lower ends of the hydraulic rods are rotatably arranged on the inner walls of the heat-insulation frame, and the upper ends of the hydraulic rods are rotatably arranged on the lower end face of the cover plate.

7. The artificial stomach simulated digestion system according to claim 1, wherein: still include support frame and base, the pedestal mounting in the upper end of support frame, just be used for the installation on the base the heat preservation frame with digestive juice conveying mechanism, the outside of heat preservation frame still is equipped with the power supply room, be used for installing circuit assembly in the power supply room.

8. The artificial stomach simulated digestion system according to claim 7, wherein: still install a plurality of bracing pieces on the base, the upper end and a mounting flange of bracing piece are connected, artifical stomach place in the mounting flange, just the upper end of artifical stomach is overturn downwards and the cover is located mounting flange's upper end, the lower extreme of artifical stomach is for leaking hopper-shaped, just the liquid outlet that can communicate the external world is seted up to the lower extreme of artifical stomach.

9. The artificial stomach simulated digestion system according to claim 7, wherein: each inner side wall of the heat preservation frame is provided with a heater; install temperature controller, temperature sensor, relay, machine controller, motor driver, power, switch in the power supply room, the switch is used for control the switching of power, the power is used for providing the electric energy, the relay is used for control circuit, temperature controller the heater with the equal electricity of temperature sensor is connected, just temperature controller is used for control the heating temperature of heater, temperature sensor is used for detecting the temperature in the heat preservation frame, machine controller is used for control the machine driver action, and pass through machine driver control driving motor's operation.

10. The artificial stomach simulated digestion system according to claim 8, wherein: the artificial stomach is made of a silica gel material, and the mounting flange is made of a resin material.

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