CN216375216U

CN216375216U - Filling device for bagged dialysate

Info

Publication number: CN216375216U
Application number: CN202123164935.8U
Authority: CN
Inventors: 李敏; 王康; 侯海坤; 宋金凤; 张丽超; 李龙辉
Original assignee: Qingdao Puruisen Medicine Science & Technology Co ltd
Current assignee: Qingdao Puruisen Medicine Science & Technology Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-26
Anticipated expiration: 2031-12-15

Abstract

The utility model belongs to the technical field of medical filling instruments, and relates to a bagged dialysate filling device which comprises a material storage barrel, wherein the bottom of the material storage barrel is communicated with one end of a three-way pipeline, the other two ends of the three-way pipeline are respectively communicated with an inlet of a feeding cylinder, a push plate in the feeding cylinder is connected with a liquid amount adjusting mechanism through a push rod, one end of the three-way pipeline communicated with the feeding cylinder is also communicated with one end of a discharging pipeline, the other end of the discharging pipeline is connected with a filling head, a feeding and discharging adjusting mechanism is arranged at the bottom of one end of the three-way pipeline communicated with the feeding cylinder, and the liquid amount adjusting mechanism and the feeding and discharging adjusting mechanism are connected with an external compressed gas circuit through a gas distribution plate. The utility model can realize the quantitative filling of the bagged dialysate and is convenient to use.

Description

Filling device for bagged dialysate

Technical Field

The utility model relates to a filling device for bagged dialysate, and belongs to the technical field of medical filling instruments.

Background

The hemodialysis liquid is mainly used for patients who need dialysis for acute and chronic renal failure, uremia and acute drug poisoning, exchanges substances in the blood of the patients, is used for improving the components in the blood of the patients, eliminating vivotoxin or other wastes and correcting water, electrolyte and acid-base disorder, and is widely applied to medium and large medical institutions of various hospitals, drug stores and medical chain stores at home and abroad. The existing dialysate is basically packaged into barrels after production is finished, and the bagged dialysate is needed in some use occasions along with the wide development of dialysate use, but the filling device of the existing barreled dialysate cannot realize the filling of the bagged dialysate.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: overcome prior art's not enough, provide a dialysis fluid filling device in bags, can realize the quantitative filling of dialysis fluid in bags, convenient to use.

The bagged dialysate filling device comprises a material storage barrel, wherein the bottom of the material storage barrel is communicated with one end of a three-way pipeline, the other two ends of the three-way pipeline are respectively communicated with an inlet of a feeding cylinder, a push plate in the feeding cylinder is connected with a liquid quantity adjusting mechanism through a push rod, one end of the three-way pipeline communicated with the feeding cylinder is also communicated with one end of a discharging pipeline, the other end of the discharging pipeline is connected with a filling head, a feeding and discharging adjusting mechanism is arranged at the bottom of one end of the three-way pipeline communicated with the feeding cylinder, and the liquid quantity adjusting mechanism and the feeding and discharging adjusting mechanism are connected with an external compressed gas circuit through a gas distribution plate.

The storage vat and the feeding cylinder are both made of 316L stainless steel, and have the characteristics of corrosion resistance and easiness in cleaning. The outer wall of the bottom of the feeding cylinder is fixed on the upper surface of the gas distribution plate. The push plate external diameter matches the cooperation with the feeding jar internal diameter and uses, guarantees the leakproofness in the feeding jar, is favorable to the dislysate to get into and discharge the feeding jar.

During the use, gas in the current compressed gas circuit gets into liquid volume adjustment mechanism and business turn over material adjustment mechanism through gas distributor plate, drive the push rod at liquid volume adjustment mechanism and move forward, the push rod drives the push pedal and moves forward, feed cylinder front chamber forms the negative pressure, dislysate in the storage vat gets into feed cylinder front chamber through the tee bend pipeline, then drive the push rod by liquid volume adjustment mechanism and move backward, the push rod drives the push pedal and moves backward, make the dislysate in the feed cylinder get into ejection of compact pipeline, the inductive switch of filling head senses the dislysate and opens, thereby realize that the dislysate gets into the dislysate bag through the filling head. The utility model adopts compressed gas to control the dialysate to enter and exit the feeding cylinder, has high safety and reliability, does not need hard positioning, has simple structure and high filling precision, can stop filling only by cutting off the compressed gas circuit to supply gas to the utility model when needing to stop suddenly in the filling process, and has simple and convenient operation. The three-way pipe is communicated with 2 discharging pipes, 2 dialysate bags can be filled simultaneously during filling, and filling efficiency is improved.

Preferably, the liquid level adjusting mechanism comprises a first air cylinder, a first adjusting valve of a front cavity of the first air cylinder and a second adjusting valve of a rear cavity of the first air cylinder are respectively communicated with the feeding and discharging adjusting mechanism through a first vent pipeline and a second vent pipeline, the first vent pipeline and the second vent pipeline are respectively communicated with the gas distribution plate through a first outlet pipe and a second outlet pipe, a piston rod of the first air cylinder penetrates through a limiting structure and is fixedly connected with a sliding block, the sliding blocks on two sides of the piston rod of the first air cylinder are respectively connected with 1 guide shaft in a sliding mode, one end of the guide shaft penetrates through the limiting structure and is fixedly connected with a front end supporting seat of the first air cylinder, the other end of the guide shaft is fixedly connected with a fixing seat, the fixing seat is fixed on the upper surface of the gas distribution plate, and the sliding block on the outer side of the guide shaft is fixedly connected with a push rod. The first cylinder is fixed on the upper surface of the gas distribution plate through a front end supporting seat and a rear end supporting seat respectively. During the use, the first adjusting valve is opened in the liquid inlet stage, gas in the gas distribution plate enters the first front cavity of the first air cylinder through the first air passage, a piston rod of the first air cylinder stretches out to drive the sliding block to move forwards along the guide shaft, the sliding block drives the push rod to move forwards, the push rod drives the push plate to move forwards in the feeding cylinder, meanwhile, the feeding and discharging adjusting mechanism moves downwards, the front cavity of the feeding cylinder forms negative pressure, dialysate in the storage barrel enters the feeding cylinder, ventilation to the first front cavity of the air cylinder is stopped, ventilation to the first rear cavity of the air cylinder is then carried out, the first piston rod of the air cylinder contracts to drive the sliding block to move backwards to the limiting position of the limiting structure along the guide rod, the sliding block drives the push rod to move backwards, the push rod drives the push plate to move backwards in the feeding cylinder, so that the dialysate in the feeding cylinder enters the discharging pipeline, and the dialysate bag is entered into the dialysate bag through the filling head through the discharging pipeline.

Preferably, the feeding and discharging adjusting mechanism comprises a second air cylinder, the second air cylinder is fixed at the bottom of one end of a three-way pipeline communicated with the feeding cylinder, a piston rod of the second air cylinder is fixedly connected with a sealing block, the sealing block is arranged in the three-way pipeline, a third adjusting valve of an upper cavity of the second air cylinder is communicated with a first vent pipeline, and a fourth adjusting valve of a lower cavity of the second air cylinder is communicated with a second vent pipeline. In the initial filling stage, the sealing block is arranged in the three-way pipeline above the inlet of the feeding cylinder. During the use, governing valve three is opened in the feed liquor stage, the gas in the gas distribution board gets into two epicoeles of cylinder through air pipeline one, the piston rod shrink that makes cylinder two drives the sealed piece downstream, the dislysate in the storage vat gets into the feed cylinder, then close governing valve three, open governing valve four, gas in the gas distribution piece gets into two lower chambeies of cylinder through air pipeline two, the piston rod that makes cylinder two stretches out and drives sealed piece rebound to feed cylinder entry top, the dislysate in the feed cylinder gets into ejection of compact pipeline under push rod and push pedal effect and fills the dislysate bag through the filling head.

Preferably, limit structure include the screw rod, the screw rod setting is in the below of slider, screw rod and limiting plate screw-thread fit are connected, limiting plate and guiding axle sliding fit, screw rod one end is rotated with a cylinder front end supporting seat and is connected, the screw rod other end passes fixing base and handle fixed connection. During the use, according to the requirement of actual single filling volume, rotate the handle and drive the screw rod and rotate, the screw rod rotates and drives the limiting plate and remove to the settlement position that satisfies the single filling volume at the screw rod along the guiding axle, drives the push rod and moves backward when the slider and makes the push pedal with the feed cylinder in the dislysate push-in ejection of compact pipeline, stops when the slider removes to the limiting plate position, realizes the quantitative filling to the dislysate bag.

Preferably, the gas distribution plate is further provided with a barometer, the barometer can measure the pressure in the gas distribution plate, so that a worker can monitor the pressure stability in the gas distribution plate, the stability of gas entering the first cylinder and the second cylinder is guaranteed, and the stability in the filling process is improved.

Preferably, the discharge pipeline adopts a hose structure, so that the flexibility is high.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has reasonable structural design, high safety and reliability, no need of hard positioning, simple structure and high filling precision by adopting the compressed gas to control the dialysate to enter and exit the feeding cylinder, can stop filling only by cutting off the compressed gas circuit to supply gas to the utility model when the dialysate needs to be stopped suddenly in the filling process, and has simple and convenient operation. The three-way pipe is communicated with 2 discharging pipes, 2 dialysate bags can be filled simultaneously during filling, and filling efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram I of a bagged dialysate filling device;

fig. 2 is a schematic structural diagram of a bagged dialysate filling device.

In the figure: 1. a barometer; 2. a handle; 3. a guide shaft; 4. a fixed seat; 5. a compressed gas path; 6. a slider; 7. a push rod; 8. a filling head; 9. a second regulating valve; 10. a feeding cylinder; 11. a first cylinder; 12. adjusting a valve I; 13. a storage barrel; 14. a three-way pipeline; 15. a sealing block; 16. a discharge pipeline; 17. adjusting a valve III; 18. regulating a valve IV; 19. a first ventilation pipeline; 20. a first air outlet pipe; 21. a second air outlet pipe; 22. a second ventilation pipeline; 23. a gas distribution plate; 24. a limiting plate; 25. a piston rod of the cylinder; 26. a screw; 27. and a second air cylinder.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

referring to fig. 1 and 2, the bagged dialysate filling apparatus according to the present invention includes a material storage barrel 13, wherein the bottom of the material storage barrel 13 is communicated with one end of a three-way pipeline 14, the other two ends of the three-way pipeline 14 are respectively communicated with an inlet of a feeding cylinder 10, a push plate in the feeding cylinder 10 is connected to a liquid amount adjusting mechanism through a push rod 7, one end of the three-way pipeline 14 communicated with the feeding cylinder 10 is also communicated with one end of a discharging pipeline 16, the other end of the discharging pipeline 16 is connected to a filling head 8, and a feeding and discharging adjusting mechanism is disposed at the bottom of one end of the three-way pipeline 14 communicated with the feeding cylinder 10, and the liquid amount adjusting mechanism and the feeding and discharging adjusting mechanism are connected to an external compressed gas circuit 5 through a gas distribution plate 23.

In this embodiment:

the liquid amount adjusting mechanism comprises a first cylinder 11, a first adjusting valve 12 of a front cavity of the first cylinder 11 and a second adjusting valve 9 of a rear cavity of the first cylinder 11 are communicated with the feeding and discharging adjusting mechanism through a first vent pipeline 19 and a second vent pipeline 22 respectively, the first vent pipeline 19 and the second vent pipeline 22 are communicated with a gas distribution plate 23 through a first outlet pipe 20 and a second outlet pipe 21 respectively, a first cylinder piston rod 25 penetrates through a limiting structure and is fixedly connected with a sliding block 6, the sliding blocks 6 on two sides of the first cylinder piston rod 25 are respectively connected with 1 guide shaft 3 in a sliding mode, one end of each guide shaft 3 penetrates through the limiting structure and is fixedly connected with a first 11 front end supporting seat of the corresponding cylinder, the other end of each guide shaft 3 is fixedly connected with a fixed seat 4, the fixed seat 4 is fixed on the upper surface of the gas distribution plate 23, and the sliding block 6 on the outer side of each guide shaft 3 is fixedly connected with a push rod 7. When in use, the first regulating valve 12 is opened in the liquid inlet stage, the gas in the gas distribution plate 23 enters the front cavity of the first cylinder 11 through the first gas pipeline 19, the piston rod 25 of the first cylinder extends out to drive the slide block 6 to move forwards along the guide shaft 3, the slide block 6 drives the push rod 7 to move forwards, the push rod 7 drives the push plate to move forwards in the feeding cylinder 10, meanwhile, the feeding and discharging adjusting mechanism moves downwards, a negative pressure is formed in the front cavity of the feeding cylinder 10, dialysate in the storage barrel 13 enters the feeding cylinder 10, the regulating valve I12 is closed, the regulating valve II 9 is opened, gas enters the rear cavity of the cylinder I11, the cylinder I piston rod 25 contracts to drive the sliding block 6 to move backwards to a limited position of the limiting structure along the guide rod, the sliding block 6 drives the push rod 7 to move backwards, the push rod 7 drives the push plate to move backwards in the feeding cylinder 10, so that the dialysate in the feeding cylinder 10 enters the discharging pipeline 16, and the dialysate enters a dialysate bag through the filling head 8 from the discharging pipeline 16.

The feeding and discharging adjusting mechanism comprises a second air cylinder 27, the second air cylinder 27 is fixed at the bottom of one end of a three-way pipeline 14 communicated with the feeding cylinder 10, a piston rod of the second air cylinder 27 is fixedly connected with a sealing block 15, the sealing block 15 is arranged in the three-way pipeline 14, an adjusting valve III 17 in an upper cavity of the second air cylinder 27 is communicated with a vent pipeline I19, and an adjusting valve IV 18 in a lower cavity of the second air cylinder 27 is communicated with a vent pipeline II 22. In the initial filling phase, the sealing block 15 is arranged in the three-way line 14 above the inlet of the feed cylinder 10. During the use, the governing valve three 17 is opened in the feed liquor stage, the gas in the gas distribution board 23 passes through air pipe one 19 and gets into the second 27 epicoeles of cylinder, make the piston rod shrink of cylinder two 27 drive sealed piece 15 and move down, the dislysate in the storage vat 13 gets into feed cylinder 10, then close governing valve three 17, open governing valve four 18, the gas in the gas distribution piece passes through air pipe two 22 and gets into the second 27 lower chamber of cylinder, make the piston rod of cylinder two 27 stretch out and drive sealed piece 15 rebound to feed cylinder 10 entry top, the dislysate in the feed cylinder 10 gets into ejection of compact pipeline 16 under push rod 7 and push pedal effect and fills the dislysate bag through filling head 8.

Limiting structure includes screw rod 26, and screw rod 26 sets up in the below of slider 6, and screw rod 26 is connected with 24 screw-thread fit of limiting plate, limiting

plate

24 and 3 sliding fit of guiding axle, and screw rod 26 one end is rotated with 11 front end supporting seats of cylinder and is connected, and the screw rod 26 other end passes fixing

base

4 and 2 fixed connection of handle. During the use, according to the requirement of actual single filling volume, rotate handle 2 and drive screw rod 26 and rotate, screw rod 26 rotates and drives limiting plate 24 and remove to the settlement position that satisfies the single filling volume at screw rod 26 along guiding shaft 3, drives push rod 7 and moves backward when slider 6 and makes the push pedal with feed cylinder 10 in dislysate push-out material pipeline 16, stops when slider 6 removes to limiting plate 24 positions, realizes the quantitative filling to the dislysate bag.

The gas distribution plate 23 is also provided with a barometer 1, the barometer 1 can measure the pressure in the gas distribution plate 23, thereby being beneficial to monitoring the pressure stability in the gas distribution plate 23 by workers and ensuring the stability of gas entering the first cylinder 11 and the second cylinder 27.

The discharge pipeline 16 adopts a hose structure, and the flexibility is high.

During the specific working process, the first regulating valve 12 and the third regulating valve 17 are opened, the gas in the gas distribution plate 23 respectively enters a front cavity of the first cylinder 11 and an upper cavity of the second cylinder 27 through the first gas pipeline 19, a piston rod 25 of the first cylinder extends out to drive the slide block 6 to move forwards along the guide shaft 3, the slide block 6 drives the push rod 7 to move forwards, the push rod 7 drives the push plate to move forwards in the feeding cylinder 10, meanwhile, the piston rod of the second cylinder 27 contracts to drive the sealing block 15 to move downwards, the front cavity of the feeding cylinder 10 forms negative pressure, so that the dialysate in the storage barrel 13 enters the feeding cylinder 10, then the first regulating valve 12 and the third regulating valve 17 are closed, the handle 2 is rotated to drive the screw rod 26 to rotate according to the requirement of the single filling amount, the screw rod 26 rotates to drive the limiting plate 24 to move on the screw rod 26 to the set position meeting the single filling amount along the guide shaft 3, the second regulating valve 9 and the fourth regulating valve 18 are opened, gas in the gas distribution piece distributes through two 22 of air pipelines and gets into two 27 lower chambeies of 11 back chambeies and cylinder of cylinder, gas in the gas distribution piece gets into two 27 lower chambeies of cylinder through two 22 of air pipelines, the piston rod that makes two 27 of cylinder stretches out and drives sealed piece 15 rebound to feed cylinder 10 entry top, simultaneously cylinder piston rod 25 shrink drives slider 6 and moves to limiting plate 24 position along the guide bar backward, slider 6 drives push rod 7 and moves backward, push rod 7 drives the push pedal and moves backward in feed cylinder 10 and makes the dislysate in the feed cylinder 10 get into discharging tube 16, the inductive switch of filling head 8 senses the dislysate and opens, thereby realize that the dislysate gets into the dislysate bag through filling head 8, accomplish a filling.

The material storage barrel 13 and the feeding cylinder 10 are both made of 316L stainless steel materials, and have the characteristics of corrosion resistance and easiness in cleaning. The outer wall of the bottom of the feeding cylinder 10 is fixed on the upper surface of the gas distribution plate 23. The outer diameter of the push plate is matched with the inner diameter of the feeding cylinder 10, so that the sealing performance in the feeding cylinder 10 is ensured, and the dialysate can be conveniently fed into and discharged from the feeding cylinder 10.

Claims

1. The utility model provides a dialysis liquid filling device in bags which characterized in that: including storage vat (13), storage vat (13) bottom intercommunication tee bend pipeline (14) one end, tee bend pipeline (14) the entry of feed cylinder (10) is communicate respectively at both ends in addition, push pedal in feed cylinder (10) passes through push rod (7) and connects liquid measure adjustment mechanism, tee bend pipeline (14) one end of communicating feed cylinder (10) still communicates discharge pipe (16) one end, filling head (8) are connected to discharge pipe (16) other end, and the bottom of tee bend pipeline (14) one end of communicating feed cylinder (10) is equipped with into discharge adjustment mechanism, liquid measure adjustment mechanism and into discharge adjustment mechanism pass through gas distribution board (23) and link external compressed gas way (5).

2. The bagged dialysate filling apparatus of claim 1, wherein: the liquid amount adjusting mechanism comprises a first air cylinder (11), a first adjusting valve (12) of a front cavity of the first air cylinder (11) and a second adjusting valve (9) of a rear cavity of the first air cylinder (11) are respectively communicated with the feeding and discharging adjusting mechanism through a first vent pipeline (19) and a second vent pipeline (22), the first vent pipeline (19) and the second vent pipeline (22) are respectively communicated with a gas distribution plate (23) through a first gas outlet pipe (20) and a second gas outlet pipe (21), a first air cylinder piston rod (25) penetrates through a limiting structure and is fixedly connected with a sliding block (6), the sliding blocks (6) on two sides of the first air cylinder piston rod (25) are respectively in sliding connection with 1 guide shaft (3), one end of the guide shaft (3) penetrates through the limiting structure and is fixedly connected with a supporting seat at the front end of the first air cylinder (11), the other end of the guide shaft (3) is fixedly connected with a fixed seat (4), the fixed seat (4) is fixed on the upper surface of the gas distribution plate (23), a slide block (6) at the outer side of the guide shaft (3) is fixedly connected with a push rod (7).

3. The bagged dialysate filling apparatus of claim 2, wherein: the feeding and discharging adjusting mechanism comprises a second air cylinder (27), the second air cylinder (27) is fixed at the bottom of one end of a three-way pipeline (14) communicated with the feeding cylinder (10), a piston rod of the second air cylinder (27) is fixedly connected with a sealing block (15), the sealing block (15) is arranged in the three-way pipeline (14), a third adjusting valve (17) in an upper cavity of the second air cylinder (27) is communicated with a first vent pipeline (19), and a fourth adjusting valve (18) in a lower cavity of the second air cylinder (27) is communicated with a second vent pipeline (22).

4. The bagged dialysate filling apparatus of claim 2, wherein: limiting structure includes screw rod (26), and screw rod (26) set up in the below of slider (6), and screw rod (26) are connected with limiting plate (24) screw-thread fit, limiting plate (24) and guiding axle (3) sliding fit, and screw rod (26) one end is rotated with cylinder (11) front end supporting seat and is connected, and fixing base (4) and handle (2) fixed connection are passed to the screw rod (26) other end.

5. The bagged dialysate filling apparatus of claim 1, wherein: the gas distribution plate (23) is also provided with a barometer (1).

6. The bagged dialysate filling apparatus of claim 1, wherein: the discharge pipeline (16) adopts a hose structure.