An automatic flushing dual-channel nutrition pump

By using the transmission gear set and spiral blade design of the automatic flushing dual-channel nutrition pump, the problem of nutrition pump blockage is solved, and automatic flushing and stirring functions are realized, which improves the safety and stability of infusion and reduces nutrient waste and patient discomfort.

CN116407454BActive Publication Date: 2025-10-28ZHEJIANG UNIV
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Patent Information

Application Number
CN202310397014.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-10
Publication Date
2025-10-28
Estimated Expiration
2043-04-10

AI Technical Summary

Technical Problem

During prolonged use, the nutrient solution from existing feeding pumps can easily adhere to the gastric tube, causing blockages. Nurses need to flush the tube regularly, which is tedious and easy to forget, leading to further blockages and increasing the burden on patients.

Method used

Design an automatic flushing dual-channel nutrition pump that automatically flushes the pipeline via a transmission gear set, uses physiological saline to flush away residual nutritional preparations, and then infuses them into the patient after infusion. Simultaneously, a spiral blade is used to stir the nutritional preparations to prevent blockage, and a heating wire is used to maintain a suitable temperature.

Benefits of technology

It enables automatic flushing of pipelines, reduces waste of nutrient preparations, improves infusion safety and stability, prevents blockages, ensures appropriate nutrient solution temperature, and reduces patient discomfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention belongs to the field of medical device technology, specifically an automatic flushing dual-channel nutrition pump, including a nutrition pump body; the nutrition pump body has a nutrient solution injection chamber inside; a turntable is rotatably connected to the side wall of the nutrient solution injection chamber; a first storage box and a second storage box are fixedly connected to the side wall of the nutrient solution injection chamber; the top of the first storage box and the second storage box are both connected to an input tube. After the nutrient preparation is infused, the second storage box is blocked by a transmission gear set, which opens the first storage box. Then, the saline solution inside the first storage box flushes the pipeline and simultaneously introduces any remaining nutrient preparation into the patient's body. This achieves automatic pipeline flushing and reduces waste of nutrient preparation. At the same time, by connecting the nutrition pump body to a computer port, the flow rate of the nutrient solution can be automatically adjusted according to the doctor's order, and the type of nutrient solution can be automatically recommended based on the patient's medical record.
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Description

Technical Field

[0001] This invention belongs to the field of medical device technology, specifically an automatic flushing dual-channel nutrition pump. Background Technology

[0002] In hospitals, some patients may have difficulty eating or be unable to eat due to their condition. In order to provide the necessary nutrition for the body, enteral nutrition pumps are usually used to improve the patient's nutritional status.

[0003] A nutrition pump is a type of infusion pump that can be used for nasogastric feeding. The nutrition pump delivers nutritional preparations into the nasogastric tube, and then the nutritional preparations are delivered into the body through the nasogastric tube, so that the patient can receive adequate nutrition. The nutritional preparations consist of water, nutrient solution, and a self-made food-milk mixture of a certain concentration. At the same time, the nutrition pump has the functions of automatic infusion, alarm when the infusion is completed, and rapid drainage. It is widely used in clinical practice.

[0004] During long-term observation, it was found that during continuous infusion through the feeding pump tubing, the nutrient solution was viscous and easily adhered to the feeding tube, causing blockage. This required nurses to flush the tubing regularly, which was tedious and could lead to blockage if the flushing was forgotten, thus placing a great burden on the patient. Therefore, this invention provides an automatic flushing dual-channel feeding pump. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this invention to solve its technical problem is as follows: An automatic flushing dual-channel nutrient pump of this invention includes a nutrient pump body; a nutrient solution injection chamber is opened inside the nutrient pump body; a turntable is rotatably connected to the side wall of the nutrient solution injection chamber; a first storage box and a second storage box are fixedly connected to the side wall of the nutrient solution injection chamber; an input pipe is connected to the top of both the first and second storage boxes; an output port is opened at the bottom of both the first and second storage boxes; a transmission assembly is provided at the bottom of both the first and second storage boxes; the transmission assemblies on the first and second storage boxes have the same structure; the transmission assembly includes a rotating shaft, a baffle plate, a first gear, and a second gear; the rotating shaft... The shaft is rotatably connected to the bottom of the first storage box; a baffle plate is fixedly connected to the top of the shaft; the baffle plate is located inside the first storage box; a pair of through holes are opened on the surface of the baffle plate; the through holes correspond to the output port; a first gear is fixedly connected to the bottom of the shaft; a second gear is rotatably connected to the bottom of the first storage box; the first gear and the second gear are meshed; a transmission gear set is installed on the side wall of the nutrient solution injection chamber; the second gear and the transmission gear set are meshed with each other. While flushing the pipeline with physiological saline inside the first storage box, the residual nutrient preparation on the pipeline is introduced into the patient's body, realizing automatic pipeline flushing while reducing the waste of nutrient preparation.

[0007] Preferably, a connecting rod is rotatably connected to the inner side wall of the second storage box; the connecting rod extends through the side wall of the second storage box to the bottom of the second storage box; a third gear is fixedly connected to the bottom end of the connecting rod; gear teeth are fixedly connected to the surface of the turntable; the third gear and the gear teeth are meshed with each other; a spiral blade is fixedly connected to the surface of the connecting rod; the spiral blade is located inside the second storage box, which reduces the possibility of blockage of the nutritional preparation during infusion and improves the safety of infusion.

[0008] Preferably, multiple sets of heating wires are installed on the side wall of the nutrient solution injection chamber; a heat preservation box is fixedly connected to the side wall of the nutrient solution injection chamber; the heat preservation box is sleeved on the multiple sets of heating wires; multiple sets of heat-conducting plates are fixedly connected between the heat preservation box and the second storage box, so that the nutrient preparation inside the second storage box is heated by the heating wires on the nutrient pump body, reducing the problem of the nutrient preparation being too cold and causing discomfort to the patient.

[0009] Preferably, a fourth gear is rotatably connected to the side wall of the nutrient solution injection chamber; the fourth gear meshes with a transmission gear set; a first transmission roller is fixedly connected to the side wall of the fourth gear; a first connecting plate is rotatably connected to the end of the first transmission roller; the first connecting plate is fixedly connected to the second storage box; a second transmission roller is rotatably connected to the side wall of the nutrient solution injection chamber; a conveyor belt is installed on the second transmission roller and the first transmission roller; a second connecting plate is rotatably connected to the end of the second transmission roller; the second connecting plate is fixedly connected to the insulation box; multiple sets of scrapers are fixedly connected to the surface of the conveyor belt; multiple sets of guide rods are fixedly connected between the insulation box and the second storage box; the scrapers and guide rods are slidably connected. By reducing the impact of impurity accumulation on the surface of the heat-conducting sheet on the heat conduction effect, the heat conduction effect of the heat-conducting sheet is improved.

[0010] Preferably, a pair of support rods are hinged to the side wall of the nutrient pump body; a base is fixed to the bottom end of the support rods; a pair of connecting ropes are fixed to the side wall of the nutrient pump body; and a counterweight is fixed to the end of the connecting rope. By providing a counterweight on the nutrient pump body, it can automatically return to a horizontal state when the nutrient pump body is hit, further improving the stability of the nutrient pump body during operation.

[0011] Preferably, an airbag is fixedly connected to the side wall of the support rod; a pair of suction cups are symmetrically fixedly connected to the bottom of the base; an air tube connects the suction cups and the airbag; the air tube is fixedly connected to both the airbag and the suction cup, and the two ends of the air tube extend into the airbag and the suction cup respectively. This reduces the possibility of the support rod tipping over when it is hit, thereby improving the stability of the nutrient pump body during operation.

[0012] Preferably, a hinge seat is fixed to the bottom of the second storage box; a compression block is hinged to the middle of the hinge seat; a torsion spring is installed at the connection between the compression block and the hinge seat. By fixing the infusion tube with the compression block, the safety and stability of the nutrition pump body during infusion are improved.

[0013] Preferably, the end of the extrusion block is provided with an arc-shaped groove; a rubber pad is fixed to the side wall of the arc-shaped groove, which further increases the friction force on the infusion tube, making the connection between the infusion tube and the outlet more tight.

[0014] The beneficial effects of the present invention are as follows:

[0015] 1. The present invention discloses an automatic flushing dual-channel nutrition pump, which, through a transmission gear set, causes the second storage box to be plugged after the infusion of nutritional preparations is completed, thereby opening the first storage box. Then, the physiological saline inside the first storage box flushes the pipeline while simultaneously introducing the residual nutritional preparations on the pipeline into the patient's body, thus achieving automatic pipeline flushing and reducing the waste of nutritional preparations.

[0016] 2. The automatic flushing dual-channel nutrient pump of the present invention continuously rotates the spiral blades inside the second storage box, thereby stirring the nutrient preparation inside the second storage box, maintaining the dilution level of the nutrient preparation, reducing the possibility of the nutrient preparation accumulating inside the second storage box for a long time and becoming viscous and difficult to flow, reducing the possibility of blockage during infusion, and improving the safety of infusion. Attached Figure Description

[0017] The invention will now be further described with reference to the accompanying drawings.

[0018] Figure 1 This is a perspective view of the nutrient pump body in this invention;

[0019] Figure 2 This is a schematic diagram of the trachea structure in this invention;

[0020] Figure 3 This is a schematic diagram of the transmission gear set in this invention;

[0021] Figure 4 This is a schematic diagram of the heating wire in this invention;

[0022] Figure 5 This is a schematic diagram of the gear teeth in this invention;

[0023] Figure 6 This is a schematic diagram of the structure of the helical blade in this invention;

[0024] Figure 7 This is a schematic diagram of the flow-blocking plate in this invention;

[0025] Figure 8 This is a schematic diagram of the structure of the rubber pad in this invention;

[0026] Figure 9 This is a schematic diagram of the anti-slip texture in this invention.

[0027] In the diagram: 1. Nutrient pump body; 11. Nutrient solution injection chamber; 111. Turntable; 12. First storage box; 121. Second storage box; 13. Input pipe; 14. Output port; 15. Rotating shaft; 151. Baffle plate; 1511. Through hole; 152. First gear; 153. Second gear; 16. Transmission gear set; 2. Gear teeth; 21. Connecting rod; 22. Third gear; 23. Spiral blade; 3. Heating wire; 31. Insulation. Box; 32. Heat-conducting plate; 4. Fourth gear; 41. First transmission roller; 42. First connecting plate; 421. Conveyor belt; 43. Second transmission roller; 431. Second connecting plate; 44. Scraper; 45. Guide rod; 5. Support rod; 51. Base; 52. Connecting rope; 53. Counterweight; 6. Airbag; 61. Suction cup; 62. Air pipe; 7. Hinge seat; 71. Extrusion block; 8. Arc groove; 81. Rubber pad; 9. Anti-slip texture. Detailed Implementation

[0028] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0029] like Figures 1 to 7As shown in the figure, an automatic flushing dual-channel nutrient pump according to an embodiment of the present invention includes a nutrient pump body 1; a nutrient solution injection chamber 11 is provided inside the nutrient pump body 1; a turntable 111 is rotatably connected to the side wall of the nutrient solution injection chamber 11; a first storage box 12 and a second storage box 121 are fixedly connected to the side wall of the nutrient solution injection chamber 11; an input pipe 13 is connected to the top of both the first storage box 12 and the second storage box 121; an output port 14 is provided at the bottom of both the first storage box 12 and the second storage box 121; a transmission component is provided at the bottom of both the first storage box 12 and the second storage box 121; the transmission components on the first storage box 12 and the second storage box 121 have the same structure. The transmission assembly includes a rotating shaft 15, a baffle plate 151, a first gear 152, and a second gear 153. The rotating shaft 15 is rotatably connected to the bottom of the first storage box 12. The baffle plate 151 is fixedly connected to the top of the rotating shaft 15. The baffle plate 151 is located inside the first storage box 12. A pair of through holes 1511 are formed on the surface of the baffle plate 151. The through holes 1511 correspond to the output port 14. The first gear 152 is fixedly connected to the bottom of the rotating shaft 15. The second gear 153 is rotatably connected to the bottom of the first storage box 12. The first gear 152 and the second gear 153 are meshed. A transmission gear set 16 is installed on the side wall of the nutrient solution injection chamber 11.The second gear 153 and the transmission gear set 16 are meshed together. During operation, the input pipe 13 on the first storage box 12 is connected to the saline storage device, and the input pipe 13 on the second storage box 121 is connected to the nutritional preparation storage device. Then, the infusion tube is connected to the output port 14. The infusion tube then passes through the turntable 111, extends from above the nutrition pump body 1, and connects to the nasogastric tube. Next, the through hole 1511 in the first storage box 12 is moved away from the output port 14, and the through hole 1511 in the second storage box 121 is moved to a position closer to the output port 14. At the position corresponding to output port 14, after completing all pre-operations, the power switch of the nutrition pump body 1 is turned on, enabling the nutrition pump body 1 to operate. Nutritional preparations flow into the second storage box 121, and saline solution flows into the first storage box 12. Because output port 14 inside the second storage box 121 is connected to through hole 1511, the nutritional preparations flow into the infusion tube through output port 14 on the second storage box 121. With the continuous rotation of turntable 111, the nutritional preparations are infused into the patient's body through the nasogastric tube. The system on the nutrition pump body 1 detects the nutritional preparations. After infusion is completed, the transmission gear set 16 will rotate, which in turn will drive the baffles 151 on the first storage box 12 and the second storage box 121 to rotate simultaneously. At this time, the through hole 1511 inside the first storage box 12 corresponds to the output port 14, while the through hole 1511 inside the second storage box 121 will move away from the output port 14 on the second storage box 121, making the first storage box 12 in a connected state and the second storage box 121 in a disconnected state. At this time, the saline in the first storage box 12 can enter the patient's body through the infusion tube and the nasogastric tube. During this process, the saline solution inside the first storage box 12 can enter the patient's body. The saline solution flushes away any residual nutritional preparations in the tubing. This step, via the transmission gear set 16, causes the second storage box 121 to close after the nutritional preparation infusion is complete, opening the first storage box 12. The saline solution inside the first storage box 12 then flushes the tubing while simultaneously introducing any remaining nutritional preparations into the patient. This automatic tubing flushing reduces waste of nutritional preparations. Furthermore, by connecting the nutrition pump body 1 to a computer port, the flow rate of the nutritional solution can be automatically adjusted according to medical orders, and the type of nutritional solution can be automatically recommended based on the patient's medical record.

[0030] like Figures 3 to 6As shown, a connecting rod 21 is rotatably connected to the inner side wall of the second storage box 121; the connecting rod 21 extends through the side wall of the second storage box 121 to the bottom of the second storage box 121; a third gear 22 is fixedly connected to the bottom end of the connecting rod 21; gear teeth 2 are fixedly connected to the surface of the turntable 111; the third gear 22 and gear teeth 2 mesh with each other; a spiral blade 23 is fixedly connected to the surface of the connecting rod 21; the spiral blade 23 is located inside the second storage box 121. When the nutrient preparation is stored inside the second storage box 121, because the nutrient preparation is a viscous liquid mixture, it may accumulate inside the second storage box 121. At this time, it is connected to the gear teeth 2. The meshing third gear 22 drives the connecting rod 21 to rotate as the turntable 111 rotates continuously. The spiral blade 23 located on the connecting rod 21 rotates inside the second storage box 121, stirring the nutrient preparation inside the second storage box 121. This step, by making the spiral blade 23 rotate continuously inside the second storage box 121, stirs the nutrient preparation inside the second storage box 121, maintains the dilution level of the nutrient preparation, reduces the possibility of the nutrient preparation accumulating inside the second storage box 121 for a long time and becoming viscous and difficult to flow, reduces the possibility of blockage of the nutrient preparation during infusion, and improves the safety of infusion.

[0031] like Figure 4 and Figure 6 As shown, multiple sets of heating wires 3 are installed on the side wall of the nutrient solution injection chamber 11; a heat preservation box 31 is fixedly connected to the side wall of the nutrient solution injection chamber 11; the heat preservation box 31 is sleeved on the multiple sets of heating wires 3; multiple sets of heat-conducting plates 32 are fixedly connected between the heat preservation box 31 and the second storage box 121. By providing multiple sets of heating wires 3 on the nutrient solution injection chamber 11, when the nutrient pump body 1 is working and dispensing, the heating wires 3 installed on the nutrient pump body 1 will turn on under the drive of the power supply to generate heat. The heat is locked inside the heat preservation box 31 to reduce the heat loss to the outside. Then, the heat is guided to the inside of the second storage box 121 through the multiple heat-conducting plates 32, so that the nutrient preparation inside the second storage box 121 can be heated to a degree suitable for human absorption. This step, by providing heating wires 3 on the nutrient pump body 1 to heat the nutrient preparation inside the second storage box 121, reduces the problem of the nutrient preparation being too cold and causing discomfort to the patient.

[0032] like Figure 4 and Figure 6As shown, a fourth gear 4 is rotatably connected to the side wall of the nutrient solution injection chamber 11; the fourth gear 4 meshes with the transmission gear set 16; a first transmission roller 41 is fixedly connected to the side wall of the fourth gear 4; a first connecting plate 42 is rotatably connected to the end of the first transmission roller 41; the first connecting plate 42 is fixedly connected to the second storage box 121; a second transmission roller 43 is rotatably connected to the side wall of the nutrient solution injection chamber 11; a conveyor belt 421 is installed on the second transmission roller 43 and the first transmission roller 41; a second connecting plate 431 is rotatably connected to the end of the second transmission roller 43; the second connecting plate 431 is fixedly connected to the heat preservation box 31; multiple sets of scrapers 44 are fixedly connected to the surface of the conveyor belt 421; the heat preservation box 31 is fixedly connected to the second transmission roller 43; a second transmission roller 431 is rotatably connected to the end of the second transmission roller 43; a second connecting plate 431 is fixedly connected to the heat preservation box 31 ... Multiple sets of guide rods 45 are fixedly connected between box 31 and the second storage box 121; the scraper 44 and the guide rods 45 are slidably connected. By providing a conveyor belt 421 on the nutrient pump body 1, when the transmission gear set 16 rotates, it will drive the conveyor belt 421 to move, causing the scraper 44 on the conveyor belt 421 to slide on the surface of the heat-conducting plate 32, thereby cleaning the impurities remaining on the surface of the heat-conducting plate 32. By setting the transmission gear set 16 to reciprocate, the scraper 44 can move back and forth. This step, by providing the scraper 44 to clean the surface of the heat-conducting plate 32, reduces the impact of impurity accumulation on the surface of the heat-conducting plate 32 on the heat conduction effect and improves the heat conduction effect of the heat-conducting plate 32.

[0033] like Figure 3 As shown, a pair of support rods 5 are hinged to the side wall of the nutrition pump body 1; a base 51 is fixed to the bottom end of the support rods 5; a pair of connecting ropes 52 are fixed to the side wall of the nutrition pump body 1; and a counterweight 53 is fixed to the end of the connecting ropes 52. Because the nutrition pump body 1 must be in a horizontal and vertical state when working, otherwise it will cause the nutrition pump body 1 to malfunction. However, since the nutrition pump body 1 is placed next to the patient, it is easy for the nutrition pump body 1 to collide with the outside world. It may be that the nutrition pump body 1 is knocked off course or bumped. At this time, by setting the base 51, when the nutrition pump body 1 is placed on a horizontal surface, when the nutrition pump body 1 is tilted due to a collision, the pair of counterweights 53 below the nutrition pump body 1 will pull the nutrition pump body 1 back to its original normal position. This step, by setting the counterweights 53 on the nutrition pump body 1, can automatically restore the nutrition pump body 1 to a horizontal state when it is collided, further improving the stability of the nutrition pump body 1 when working.

[0034] like Figure 3As shown, an airbag 6 is fixedly connected to the side wall of the support rod 5; a pair of suction cups 61 are symmetrically fixedly connected to the bottom of the base 51; an air tube 62 connects the suction cups 61 and the airbag 6; the air tube 62 is fixedly connected to both the airbag 6 and the suction cup 61, and both ends of the air tube 62 extend into the airbag 6 and the suction cup 61 respectively. Because the support rod 5 has an airbag 6, when the nutrient pump body 1 needs to be placed on the platform, by pressing the airbags 6 on both sides of the nutrient pump body 1 to clamp it, under the action of external force, some of the air inside the airbag 6 will flow through the air tube 62 into the suction cup 61, and then be discharged from the suction cup 61 to the outside. When placed on the platform, releasing the airbag 6 allows some air to be drawn out of the suction cup 61, reducing the amount of residual air between the suction cup 61 and the platform. This ensures a tight connection between the suction cup 61 and the platform, effectively securing the support rod 5. When the support rod 5 needs to be removed from the platform, pressing the airbag 6 again allows the air inside the airbag 6 to be expelled into the suction cup 61 through the air tube 62, filling the space between the suction cup 61 and the platform with air and causing the suction cup 61 to separate from the platform. This step, with the suction cup 61, ensures a tight connection between the base 51 and the platform, reducing the possibility of the support rod 5 tipping over upon impact and improving the stability of the nutrient pump body 1 during operation.

[0035] like Figure 6 and Figure 8 As shown, a hinge seat 7 is fixedly connected to the bottom of the second storage box 121; a compression block 71 is hinged to the middle of the hinge seat 7; a torsion spring is installed at the connection between the compression block 71 and the hinge seat 7. By providing a compression block 71 on the second storage box 121, when the infusion tube is connected to the output port 14, the compression block 71 compresses the infusion tube. This step, by fixing the infusion tube with the compression block 71, reduces the possibility of the infusion tube falling off from the output port 14 and causing leakage after long-term use, and improves the safety and stability of the nutrition pump body 1 during infusion.

[0036] like Figure 8 As shown, an arc-shaped groove 8 is provided at the end of the extrusion block 71; a rubber pad 81 is fixed to the side wall of the arc-shaped groove 8. By providing an arc-shaped groove 8 on the extrusion block 71, the friction force on the infusion tube can be further increased, making the connection between the infusion tube and the outlet 14 tighter.

[0037] like Figure 9 As shown, the airbag 6 has anti-slip texture 9 on its surface. By having anti-slip texture 9 on the surface of the airbag 6, the friction between the nutrition pump body 1 and the airbag 6 can be increased when medical staff move the nutrition pump body 1, reducing the possibility of the nutrition pump body 1 falling off during the movement.

[0038] During operation, the input tube 13 on the first storage box 12 is connected to the saline storage device, and the input tube 13 on the second storage box 121 is connected to the nutritional preparation storage device. Then, the infusion tube is connected to the output port 14. The infusion tube then passes through the turntable 111, extends from the top of the feeding pump body 1, and connects to the nasogastric tube. Next, the through hole 1511 in the first storage box 12 is moved away from the output port 14, and the through hole 1511 in the second storage box 121 is moved to a position corresponding to the output port 14. After completing all the pre-operations, the power switch of the feeding pump body 1 is turned on, causing the feeding pump body 1 to operate and allowing the nutritional preparation to flow into the second storage box 121, while the saline flows... The nutrient solution is introduced into the first storage box 12. Because the output port 14 inside the second storage box 121 is connected to the through hole 1511, the nutrient solution flows into the infusion tube through the output port 14 on the second storage box 121. Under the continuous rotation of the turntable 111, the nutrient solution is infused into the patient's body through the nasogastric tube. After the system on the nutrient pump body 1 detects the completion of the nutrient solution infusion, it will cause the transmission gear set 16 to rotate, which in turn drives the baffle plate 151 on the first storage box 12 and the second storage box 121 to rotate simultaneously. At this time, the through hole 1511 inside the first storage box 12 corresponds to the output port 14, while the through hole 1511 inside the second storage box 121 will be away from the output port 14 on the second storage box 121. The first storage box 12 is connected, while the second storage box 121 is disconnected. At this time, the saline solution inside the first storage box 12 can enter the patient's body through the infusion tube and nasogastric tube. During this process, the saline solution flushes away any residual nutritional preparation on the tubing. When the nutritional preparation is stored inside the second storage box 121, because it is a viscous liquid mixture, it may accumulate inside. At this time, the third gear 22, which meshes with the gear teeth 2, drives the connecting rod 21 to rotate as the turntable 111 rotates. The spiral blades 23 on the connecting rod 21 rotate inside the second storage box 121, stirring the nutritional preparation inside. Multiple heating wires 3 are installed on the nutrient solution injection chamber 11. When the nutrient pump body 1 is working, the heating wires 3 installed on the nutrient pump body 1 will turn on under the power supply to generate heat. The heat is locked inside the heat preservation box 31 to reduce heat loss to the outside. Then, the heat is guided to the second storage box 121 through multiple heat-conducting plates 32, so that the nutrient preparation inside the second storage box 121 can be heated to a degree suitable for human absorption. A conveyor belt 421 is provided on the nutrient pump body 1. When the transmission gear set 16 rotates, it will drive the conveyor belt 421 to move, so that the scraper 44 located on the conveyor belt 421 slides on the surface of the heat-conducting plate 32, thereby cleaning the impurities remaining on the surface of the heat-conducting plate 32.By setting the transmission gear set 16 to reciprocate, the scraper 44 can move back and forth. Since the nutrition pump body 1 must be in a horizontal and vertical position during operation, otherwise it will cause an error. However, because the nutrition pump body 1 is placed next to the patient, it is prone to collisions with the outside environment, potentially causing it to be knocked askew or bumped. With the base 51, when the nutrition pump body 1 is placed on a horizontal surface, if it tilts due to a collision, the pair of counterweights 53 below it will pull it back to its original normal position. Because the support rod 5 has airbags 6, when the nutrition pump body 1 needs to be placed on a platform, pressing the airbags 6 on both sides of the body clamps it. Under external force, the airbags 6 will... Part of the air flows into the suction cup 61 through the air tube 62, and then is discharged to the outside from the suction cup 61. When the nutrient pump body 1 is placed on the platform, the air bladder 6 is released, causing it to draw some air out of the suction cup 61, thereby reducing the residual air between the suction cup 61 and the platform, making the suction cup 61 and the platform tightly connected, achieving the effect of fixing the support rod 5. When it is necessary to remove the support rod 5 from the platform, the air bladder 6 is pressed again, and the air inside the air bladder 6 is discharged into the suction cup 61 through the air tube 62, filling the space between the suction cup 61 and the platform with air, causing the suction cup 61 to separate from the platform. Because a squeezing block 71 is provided on the second storage box 121, when the infusion tube is connected to the output port 14, the squeezing block 71 squeezes the infusion tube. The squeezing block 71 has an arc-shaped groove 8, which further increases the friction force on the infusion tube.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic flushing dual-channel nutrient pump, comprising a nutrient pump body (1); a nutrient solution injection chamber (11) is provided inside the nutrient pump body (1); a turntable (111) is rotatably connected to the side wall of the nutrient solution injection chamber (11); characterized in that: The nutrient solution injection chamber (11) is fixedly connected to a first storage box (12) and a second storage box (121) on its side wall; the top of the first storage box (12) and the second storage box (121) are both connected to an input pipe (13); the bottom of the first storage box (12) and the second storage box (121) are both provided with an output port (14); the bottom of the first storage box (12) and the second storage box (121) are both provided with a transmission assembly; the transmission assembly on the first storage box (12) and the second storage box (121) has the same structure; the transmission assembly includes a rotating shaft (15), a baffle plate (151), a first gear (152) and a second gear (153); the rotating shaft (15) is connected to the bottom of the first storage box (12) The shaft (15) is rotatably connected to the other two parts; a baffle plate (151) is fixedly connected to the top of the shaft (15); the baffle plate (151) is located inside the first storage box (12); a pair of through holes (1511) are opened on the surface of the baffle plate (151); the through holes (1511) correspond to the output port (14); a first gear (152) is fixedly connected to the bottom of the shaft (15); a second gear (153) is rotatably connected to the bottom of the first storage box (12); the first gear (152) and the second gear (153) are meshed; a transmission gear set (16) is installed on the side wall of the nutrient solution injection chamber (11); the second gear (153) and the transmission gear set (16) are meshed with each other; A connecting rod (21) is rotatably connected to the inner side wall of the second storage box (121); the connecting rod (21) extends through the side wall of the second storage box (121) to the bottom of the second storage box (121); a third gear (22) is fixedly connected to the bottom end of the connecting rod (21); gear teeth (2) are fixedly connected to the surface of the turntable (111); the third gear (22) and gear teeth (2) are meshed with each other; a spiral blade (23) is fixedly connected to the surface of the connecting rod (21); the spiral blade (23) is located inside the second storage box (121); Multiple sets of heating wires (3) are installed on the side wall of the nutrient solution injection chamber (11); a heat preservation box (31) is fixedly connected to the side wall of the nutrient solution injection chamber (11); the heat preservation box (31) is sleeved on the multiple sets of heating wires (3); multiple sets of heat-conducting plates (32) are fixedly connected between the heat preservation box (31) and the second storage box (121). The nutrient solution injection chamber (11) is rotatably connected to a fourth gear (4); the fourth gear (4) is meshed with a transmission gear set (16); a first transmission roller (41) is fixedly connected to the side wall of the fourth gear (4); a first connecting plate (42) is rotatably connected to the end of the first transmission roller (41); the first connecting plate (42) is fixedly connected to the second storage box (121); a second transmission roller (43) is rotatably connected to the side wall of the nutrient solution injection chamber (11); a conveyor belt (421) is installed on the second transmission roller (43) and the first transmission roller (41); a second connecting plate (431) is rotatably connected to the end of the second transmission roller (43); the second connecting plate (431) is fixedly connected to the heat preservation box (31); multiple sets of scrapers (44) are fixedly connected to the surface of the conveyor belt (421); multiple sets of guide rods (45) are fixedly connected between the heat preservation box (31) and the second storage box (121); the scrapers (44) and the guide rods (45) are slidably connected.

2. The automatic flushing dual-channel nutrient pump according to claim 1, characterized in that: The nutrient pump body (1) has a pair of support rods (5) hinged to its side wall; the bottom end of the support rod (5) is fixed to a base (51); the nutrient pump body (1) has a pair of connecting ropes (52) fixed to its side wall; the end of the connecting rope (52) is fixed to a counterweight (53).

3. An automatic flushing dual-channel nutrient pump according to claim 2, characterized in that: An airbag (6) is fixedly connected to the side wall of the support rod (5); a pair of suction cups (61) are symmetrically fixedly connected to the bottom of the base (51); an air tube (62) is connected between the suction cup (61) and the airbag (6); the air tube (62) is fixedly connected to both the airbag (6) and the suction cup (61), and the two ends of the air tube (62) extend into the airbag (6) and the suction cup (61) respectively.

4. An automatic flushing dual-channel nutrient pump according to claim 1, characterized in that: The bottom of the second storage box (121) is fixedly connected to a hinge seat (7); a pressing block (71) is hinged to the middle of the hinge seat (7); a torsion spring is installed at the connection between the pressing block (71) and the hinge seat (7).

5. An automatic flushing dual-channel nutrient pump according to claim 4, characterized in that: The end of the extrusion block (71) is provided with an arc-shaped groove (8); a rubber pad (81) is fixed to the side wall of the arc-shaped groove (8).

6. An automatic flushing dual-channel nutrient pump according to claim 3, characterized in that: The airbag (6) has anti-slip texture (9) on its surface.

Citation Information

Patent Citations

  • Nutrient solution controlling means on nutrition pump

    CN206381400U

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    CN211610819U