CN220002605U - Self-control liquid feeding device - Google Patents
Self-control liquid feeding device Download PDFInfo
- Publication number
- CN220002605U CN220002605U CN202320973699.4U CN202320973699U CN220002605U CN 220002605 U CN220002605 U CN 220002605U CN 202320973699 U CN202320973699 U CN 202320973699U CN 220002605 U CN220002605 U CN 220002605U
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- CN
- China
- Prior art keywords
- liquid
- outlet pipe
- bag
- liquid outlet
- liquid feeding
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- 239000007788 liquid Substances 0.000 title claims abstract description 132
- 239000003814 drug Substances 0.000 claims abstract description 32
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 9
- 238000001802 infusion Methods 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229940035676 analgesics Drugs 0.000 description 1
- 239000000730 antalgic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of disposable infusion pump products, and relates to an automatic control liquid feeding device. A self-control liquid feeding device comprises an upper shell and a lower shell, wherein a liquid feeding medicine bag arranging hole and a key groove are formed in the center of the upper shell, a pressing plate is arranged in the liquid feeding medicine bag arranging hole, and a key is arranged in the key groove; the liquid administration medicine bag is arranged in the liquid administration medicine bag arranging hole, and the liquid administration medicine bag is abutted with the pressing plate; the two ends of the liquid administration bag are respectively connected with a liquid administration bag liquid inlet pipe and a liquid administration bag liquid outlet pipe, and the liquid administration bag liquid outlet pipe is sequentially connected with a silicone pipe and a liquid outlet pipe; connectors are arranged at two ends of the silicone tube, and the connectors at two ends are respectively sleeved with a liquid outlet pipe and a liquid outlet pipe of the liquid feeding medicine bag; a silicone tube fixing bayonet is arranged at the edge of the key slot, and the middle section of the silicone tube is fixed at the silicone tube fixing bayonet; clamping grooves are formed in two sides of the key groove, and connectors at two ends are respectively embedded into the corresponding clamping grooves; two gears are arranged at the lower shell and are respectively positioned at the notch of the two clamping grooves.
Description
Technical Field
The utility model belongs to the technical field of disposable infusion pump products, and particularly relates to an automatic control liquid feeding device.
Background
For disposable infusion pumps (hereinafter referred to as infusion pumps), they are mainly used for infusing analgesic drugs clinically, and are mainly classified into continuous type and continuous/self-controlled type according to the structure of the product. The main components of the continuous infusion pump mainly comprise an elastic liquid storage device, a medicine adding device, an infusion pipeline, a flow limiting device and a joint; the continuous/self-controlled infusion pump is added with a self-controlled liquid feeding device on the basis of continuous type. The liquid feeding device mainly comprises a handle upper cover, a handle lower cover, a liquid feeding medicine bag, a silicone tube, a sealing ring, a liquid outlet pipe and the like. At present, the common mode of connection between liquid administration medicine bag and drain pipe in market is usually that after opening the silicone tube both ends, insert liquid administration medicine bag one end pipeline and drain pipe respectively to the silicone tube both ends, install the sealing washer additional in the silicone tube outside simultaneously to this guarantees the connection of liquid administration medicine bag and drain pipe in the infusion process.
For the production assembly of products, although the existence of the sealing ring can provide a certain binding force for the connection of the silica gel pipe and the pipelines at two ends to a certain extent, due to the two sealing rings, the material cost is obviously increased and the assembly line rate of the position is reduced. Meanwhile, in the clinical actual use process, because the sealing ring is made of elastic materials, when the pressure of the infusion liquid medicine is overlarge in the infusion process, the silicone tube and the sealing ring are spread to cause the risk of slipping from the pipelines at two ends.
In order to solve the above-mentioned practical problems, it is desirable to provide an automatic control liquid feeding device.
Disclosure of Invention
The utility model aims to provide an automatic control liquid feeding device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the self-control liquid feeding device comprises an upper shell and a lower shell, wherein a liquid feeding medicine bag arranging hole and a key groove are formed in the central position of the upper shell, a pressing plate is arranged in the liquid feeding medicine bag arranging hole, and a key is arranged in the key groove; the liquid feeding medicine bag is arranged in the liquid feeding medicine bag arranging hole, and the liquid feeding medicine bag is abutted with the pressing plate; the two ends of the liquid administration bag are respectively connected with a liquid administration bag liquid inlet pipe and a liquid administration bag liquid outlet pipe, and the liquid administration bag liquid outlet pipe is sequentially connected with a silicone pipe and the liquid outlet pipe; connectors are arranged at two ends of the silicone tube, and the connectors at two ends are respectively sleeved with a liquid outlet pipe and a liquid outlet pipe of the liquid feeding medicine bag; the edge of the key groove is provided with a silicone tube fixing bayonet, and the middle section of the silicone tube is fixed at the silicone tube fixing bayonet; clamping grooves are formed in two sides of the key groove, and the connectors at two ends are respectively embedded into the corresponding clamping grooves; two gears are arranged at the lower shell and are respectively positioned at the notch of the two clamping grooves.
Preferably, the width of the notch is equal to the outer diameter of the connector, the clamping groove is a round bottom clamping groove, and an arc-shaped fixing opening is formed in the tail end of the gear.
Preferably, the engagement groove is in offset contact with the gear.
Preferably, a plurality of upper shell bayonets are arranged at the edge of the upper shell, and a plurality of lower shell recesses are arranged at the edge of the lower shell correspondingly; the upper shell bayonets and the lower shell depressions are buckled in a one-to-one correspondence manner.
Preferably, the upper shell is provided with an upper opening of the liquid inlet pipe and an upper opening of the liquid outlet pipe, and the lower shell is provided with a lower opening of the liquid inlet pipe and a lower opening of the liquid outlet pipe; the liquid inlet pipe upper opening is buckled with the liquid inlet pipe lower opening, and the liquid outlet pipe upper opening is buckled with the liquid outlet pipe lower opening.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the self-control liquid feeding device, the silica gel pipe connector and the corresponding pipeline are clamped in a clamping groove mode, so that the connection part can be prevented from being separated due to overlarge pipeline hydraulic pressure;
(2) According to the self-control liquid feeding device provided by the utility model, the round bottom clamping groove is matched with the arc-shaped fixing port, so that the self-control liquid feeding device can be matched with the tubular shape of the pipeline, the pipeline is prevented from deforming in the clamping process, and finally the joint is not sealed enough to leak liquid;
(3) According to the Zhang Yigong automatic control liquid feeding device provided by the utility model, the clamping groove and the gear are in dislocation butt joint, so that the shape of a pipeline can be completely matched, and sealing and fastening can be realized.
Drawings
FIG. 1 is a schematic view of the internal structure of an upper shell of the present utility model;
FIG. 2 is a schematic view of the inner structure of the lower shell of the present utility model;
FIG. 3 is a schematic diagram of a slot and a stopper according to the present utility model;
in the figure: 1. an upper case; 2. a lower case; 3. a liquid administration medicine bag placement hole; 4. pressing a key groove; 5. a pressing plate; 6. a liquid administration capsule; 7. a key; 8. a liquid inlet pipe of the liquid feeding medicine bag; 9. the liquid medicine bag is used for discharging liquid; 10. a silicone tube; 11. a liquid outlet pipe; 12. a connector; 13. a clamping groove; 14. a gear; 15. an arc-shaped fixing opening; 16. a silicone tube fixing bayonet; 17. an upper shell bayonet; 18. the lower shell is sunken; 19. an upper opening of the liquid inlet pipe; 20. an upper opening of the liquid outlet pipe; 21. the lower opening of the liquid inlet pipe; 22. the lower opening of the liquid outlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a self-control liquid feeding device, which comprises:
a self-control liquid feeding device comprises an upper shell 1 and a lower shell 2, wherein a liquid feeding medicine bag arranging hole 3 and a key groove 4 are arranged in the center of the upper shell 1. The pressure plate 5 and the liquid administration bag 6 are arranged in the liquid administration bag arranging hole 3, the liquid administration bag 6 is positioned at the inner side of the pressure plate 5, meanwhile, the liquid administration bag 6 is abutted with the pressure plate 5, and the liquid administration bag 6 can be extruded to carry out infusion administration by pressing the pressure plate 5. A key 7 is arranged in the key groove 4. The two ends of the liquid administration bag 6 are respectively connected with a liquid administration bag liquid inlet pipe 8 and a liquid administration bag liquid outlet pipe 9. The liquid outlet pipe 9 of the liquid feeding medicine bag is sequentially connected with a silicone pipe 10 and a liquid outlet pipe 11; the two ends of the silicone tube 10 are respectively provided with a connector 12, and the connectors 12 at the two ends are respectively sleeved with the liquid outlet tube 9 and the liquid outlet tube 11 of the liquid feeding medicine bag. The connection is realized through the nesting, in order to ensure the tightness of the connection part 12, the two sides of the key groove 4 are provided with clamping grooves 13, and the connectors 12 at the two ends are respectively embedded into the corresponding clamping grooves 13; two gears 14 are arranged at the lower shell 2, and the two gears 14 are respectively positioned at the notch of the two clamping grooves 13. In order to realize the sealing connection, the width of the notch is equal to the outer diameter of the connector 12, the clamping groove 13 is a round bottom clamping groove, and the tail end of the gear 14 is provided with an arc-shaped fixing opening 15 corresponding to the round bottom clamping groove. The arc-shaped fixing opening 15 at the tail end of the gear 14 and the round bottom clamping groove form a round hole, and the round hole is used for fixing the connection part of the connector 12 and other pipelines. To achieve a complete seal, the clamping groove 13 is in offset abutment with the gear 14. In order to fix the position of the silicone tube, a silicone tube fixing bayonet 16 is arranged at the edge of the key groove 4, and the middle section of the silicone tube 10 is fixed at the silicone tube fixing bayonet 16. For assembling the upper shell 1 and the lower shell 2, three upper shell bayonets 17 are arranged at the edge of the upper shell 1, and three lower shell recesses 18 are correspondingly arranged at the edge of the lower shell 2; the three upper shell bayonets 17 and the three lower shell recesses 18 are buckled in a one-to-one correspondence. For the advance and discharge reserved positions of the liquid inlet pipe 8 and the liquid outlet pipe 11 of the liquid feeding medicine bag, a liquid inlet pipe upper opening 19 and a liquid outlet pipe upper opening 20 are arranged at the upper shell 1, and a liquid inlet pipe lower opening 21 and a liquid outlet pipe lower opening 22 are arranged at the lower shell 2; the upper opening 19 of the liquid inlet pipe is buckled with the lower opening 21 of the liquid inlet pipe, and the upper opening 20 of the liquid outlet pipe is buckled with the lower opening 22 of the liquid outlet pipe.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An automatic control liquid feeding device which is characterized in that: the liquid medicine feeding bag comprises an upper shell and a lower shell, wherein a liquid medicine feeding bag accommodating hole and a key groove are formed in the central position of the upper shell, a pressing plate is arranged in the liquid medicine feeding bag accommodating hole, and a key is arranged in the key groove; the liquid feeding medicine bag is arranged in the liquid feeding medicine bag arranging hole, and the liquid feeding medicine bag is abutted with the pressing plate; the two ends of the liquid administration bag are respectively connected with a liquid administration bag liquid inlet pipe and a liquid administration bag liquid outlet pipe, and the liquid administration bag liquid outlet pipe is sequentially connected with a silicone pipe and the liquid outlet pipe; connectors are arranged at two ends of the silicone tube, and the connectors at two ends are respectively sleeved with a liquid outlet pipe and a liquid outlet pipe of the liquid feeding medicine bag; the edge of the key groove is provided with a silicone tube fixing bayonet, and the middle section of the silicone tube is fixed at the silicone tube fixing bayonet; clamping grooves are formed in two sides of the key groove, and the connectors at two ends are respectively embedded into the corresponding clamping grooves; two gears are arranged at the lower shell and are respectively positioned at the notch of the two clamping grooves.
2. A self-controlled liquid feeding apparatus according to claim 1, wherein: the width of notch with the external diameter of connector equals, the draw-in groove is round bottom draw-in groove, the end of gear is equipped with the fixed mouth of arc.
3. A self-controlled liquid feeding apparatus according to claim 1, wherein: the clamping groove is in dislocation butt with the gear.
4. A self-controlled liquid feeding apparatus according to claim 1, wherein: a plurality of upper shell bayonets are arranged at the edge of the upper shell, and a plurality of lower shell recesses are arranged at the edge of the lower shell correspondingly; the upper shell bayonets and the lower shell depressions are buckled in a one-to-one correspondence manner.
5. A self-controlled liquid feeding apparatus according to claim 1, wherein: the upper shell is provided with a liquid inlet pipe upper opening and a liquid outlet pipe upper opening, and the lower shell is provided with a liquid inlet pipe lower opening and a liquid outlet pipe lower opening; the liquid inlet pipe upper opening is buckled with the liquid inlet pipe lower opening, and the liquid outlet pipe upper opening is buckled with the liquid outlet pipe lower opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973699.4U CN220002605U (en) | 2023-04-26 | 2023-04-26 | Self-control liquid feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320973699.4U CN220002605U (en) | 2023-04-26 | 2023-04-26 | Self-control liquid feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220002605U true CN220002605U (en) | 2023-11-14 |
Family
ID=88678331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320973699.4U Active CN220002605U (en) | 2023-04-26 | 2023-04-26 | Self-control liquid feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220002605U (en) |
-
2023
- 2023-04-26 CN CN202320973699.4U patent/CN220002605U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |