CN202478167U - Soft-bag transfusion liquid-adding plug - Google Patents
Soft-bag transfusion liquid-adding plug Download PDFInfo
- Publication number
- CN202478167U CN202478167U CN2012200967923U CN201220096792U CN202478167U CN 202478167 U CN202478167 U CN 202478167U CN 2012200967923 U CN2012200967923 U CN 2012200967923U CN 201220096792 U CN201220096792 U CN 201220096792U CN 202478167 U CN202478167 U CN 202478167U
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- plug
- union joint
- inner cap
- liquid feeding
- seat
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- Expired - Lifetime
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Abstract
The utility model relates to a soft-bag transfusion liquid-adding plug and belongs to the technical field of pharmaceutical packaging structure and medical instrument structure. The soft-bag transfusion liquid-adding plug is characterized by comprising a connector (1), an inner cover (3), a sealing rubber plug (2) and an outer cover (4). The connector (1) is provided with an overflowing through hole in the middle, the inner cover (3) is in press fit with the connector (1) in a sealed mode, the sealing rubber plug (2) is placed between the connector (1) and the inner cover (3), and the outer cover (4) is connected with an upper portion of the inner cover (3). The soft-bag transfusion liquid-adding plug is reasonable and simple in structure design, time-saving and labor-saving when being used, easy to open and strong in tightness. A traditional structure mode that an existing soft-bag transfusion liquid-adding plug must adopt an aluminum-plastic cover is overturned. Compared with an existing drug feeding plug and a drug transport plug, the soft-bag transfusion liquid-adding plug has the advantages that process is simple, manufacturing cost is low, sealing property is good, and the like.
Description
Technical field
This utility model relates to a kind of medical apparatus and drug packaging, and the transfusion of a kind of medical flexible package of saying so more specifically, liquid feeding plug belong to drug packaging, technical field of medical appliance structures.
Background technology
At present; The general structure of existing soft bag infusion, liquid feeding plug comprises: enclosing cover, aluminium-plastic cap, butyl rubber plug and be connected several leading part; Soft bag infusion, the liquid feeding plug of finding this structure in actual use has following a few point defect to be improved waiting: 1, poor sealing; Owing to be general surperficial contact seal mode between the union joint of butyl rubber plug and bottom and the aluminium-plastic cap on top, leakage situation in use very easily take place; 2, production cost is high, because the size of existing butyl rubber plug is consistent with union joint upper surface, bottom size, so the materials cost is higher, and top need all be held by aluminium-plastic cap in addition, has therefore more strengthened the materials cost of aluminium-plastic cap; 3, open inconvenience; This is owing to press together between enclosing cover and the aluminium-plastic cap; Need in use to pull off being connected between enclosing cover and the aluminium-plastic cap by external force, and aluminium-plastic cap in opening process very easily by the improper generation strain of external force and tear, caused operational trouble to medical personnel.4, because the material of existing union joint is Merlon; So being tightly connected between union joint and the transfusion flexible bag need be accomplished by the welding connecting leg is auxiliary; So in use more increase the probability of leaking medicinal liquid or gas, also strengthened manufacturing cost and technological requirement simultaneously.
Summary of the invention
The purpose of this utility model is to solve the weak point that above-mentioned prior art exists, and a kind of reasonable in design is provided, unlatching is convenient and swift, sealing property is excellent, the soft bag infusion of low production cost, liquid feeding plug.
For realizing above-mentioned purpose, the concrete technical scheme that this utility model adopts is following:
A kind of soft bag infusion, liquid feeding plug, special character be by the centre had opening union joint 1, and the inner cap 3 of union joint 1 pressing sealing, the enclosing cover 4 that places the sealing plug 2 between union joint 1 and the inner cap 3 and be connected in inner cap 3 tops through easy opening device constitute;
Said union joint 1 has the welding ends 1-4 with transfusion flexible bag heat seal welding; The other end is provided with and is used to hold the plug seat 1-1 that seals plug 2; Sealing plug 2 places plug seat 1-1 inside and union joint 1 is carried out shutoff, and the plug seat 1-1 of inner cap 3 and union joint 1 is tightly connected and sealing plug 2 is applied corresponding thrust;
Said sealing plug 2 is stepped; Comprise plug hat 2-1 and the plug neck 2-2 that is connected with plug hat 2-1; The junction of said plug hat 2-1 and plug neck 2-2 offers annular ditch groove 2-3; Said plug seat 1-1 goes up correspondence and offers the ring-type grafting ear 1-3 that can embed annular ditch groove 2-3, and when said plug hat 2-1 inserted plug seat 1-1 inside, the annular ditch groove 2-3 of the corresponding embedding sealing of the ring-type grafting ear 1-3 on plug seat 1-1 plug 2 was inner; Plug neck 2-2 is close to the inwall of union joint 1, thereby realizes being tightly connected between union joint 1 and the sealing plug 2;
Said inner cap 3 with hermetically-sealed construction between the plug seat 1-1 is: the part that inner cap 3 cooperates with plug seat 1-1 inwall offers the protruding circle of the arc 3-1 of evagination; The inwall correspondence of plug seat 1-1 is provided with the arc guide barrel 1-2 that caves in; In the arc guide barrel 1-2 external diameter that covers greater than the protruding circle of the arc on plug seat 3-1, realize being tightly connected between inner cap 3 and the plug seat 1-1 through the interference fit between the two;
Can realize through being prone to opening device that point type between the two is connected between said inner cap 3 and the enclosing cover 4, the type of attachment of multiple easy unlatchings such as the connection of crossover formula and the connection of cut channel formula;
Said inner cap 3 is connected with point type between the enclosing cover 4 and is prone to the opening device concrete structure and is: point-like is laid with the tearing connecting band 3-2 of circle easy fracture when receiving external force on the said inner cap 3; Enclosing cover 4 is provided with to buckle in the unlatching at tearing connecting band 3-2 middle part and draws button 4-1; When enclosing cover 4 receives external force; The tearing connecting band 3-2 that unlatching draws button 4-1 can tear inner cap 3-2 ruptures until it, thereby enclosing cover 4 is peeled off from inner cap 3 fully, exposes inner cap 3-2;
Said union joint 1 and transfusion flexible bag heat seal welding ends 1-4 are shaped as the circular hole shape;
In order further to strengthen the welded seal effect, to have a rhombus of easy solder joint poroid at the two ends that are shaped as of said union joint 1 and transfusion flexible bag heat seal welding ends 1-4;
In order further to strengthen the welded seal effect, crossing opening in the middle of said union joint 1 also can be designed as with transfusion flexible bag heat seal welding ends 1-4 is circular hole, with transfusion flexible bag welding face be rhombohedral integrative-structure.
A kind of soft bag infusion of this utility model, liquid feeding plug; Reasonable in design is simple and direct; It is time saving and energy saving to use; And be prone to open, sealing is strong, overturned the traditional structure mode that existing soft bag infusion dosing plug must adopt aluminium-plastic cap, and with respect to existing dosing plug and loading plug have technology simply, low cost of manufacture, the excellent structural advantage of sealing property.
Description of drawings
Fig. 1: a kind of soft bag infusion of this utility model, liquid feeding plug structure sketch map;
1 one kinds of soft bag infusions of Fig. 2: embodiment, liquid feeding plug union joint welding ends shape and structure sketch map;
2 one kinds of soft bag infusions of Fig. 3: embodiment, liquid feeding plug union joint welding ends shape and structure sketch map;
3 one kinds of soft bag infusions of Fig. 4: embodiment, liquid feeding plug union joint welding ends shape and structure sketch map;
In the drawings, 1, union joint, 1-1, plug seat, 1-2, arc guide barrel; 1-3, ring-type grafting ear, 1-4, welding ends, 2, the sealing plug, 2-1, plug hat; 2-2, plug neck, 2-3, annular ditch groove, 3, inner cap, 3-1, the protruding circle of arc; 3-2, tearing connecting band, 4, enclosing cover, 4-1, open and draw button.
The specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of this utility model, be used for the formation of this utility model is further specified.
A kind of soft bag infusion of present embodiment, liquid feeding plug be with reference to figure 1,2, by the centre had opening union joint 1, and the inner cap 3 of union joint 1 pressing sealing, the enclosing cover 4 that places the sealing plug 2 between union joint 1 and the inner cap 3 and be connected in inner cap 3 tops through easy opening device constitute; Said union joint 1 has the welding ends 1-4 with transfusion flexible bag heat seal welding; The other end is provided with and is used to hold the plug seat 1-1 that seals plug 2; Sealing plug 2 places plug seat 1-1 inside and union joint 1 is carried out shutoff, and the plug seat 1-1 of inner cap 3 and union joint 1 is tightly connected and sealing plug 2 is applied corresponding thrust; Said sealing plug 2 is stepped; Comprise plug hat 2-1 and the plug neck 2-2 that is connected with plug hat 2-1; The junction of said plug hat 2-1 and plug neck 2-2 offers annular ditch groove 2-3; Said plug seat 1-1 goes up correspondence and offers the ring-type grafting ear 1-3 that can embed annular ditch groove 2-3, and when said plug hat 2-1 inserted plug seat 1-1 inside, the annular ditch groove 2-3 of the corresponding embedding sealing of the ring-type grafting ear 1-3 on plug seat 1-1 plug 2 was inner; Plug neck 2-2 is close to the inwall of union joint 1, thereby realizes being tightly connected between union joint 1 and the sealing plug 2; Said inner cap 3 with hermetically-sealed construction between the plug seat 1-1 is: the part that inner cap 3 cooperates with plug seat 1-1 inwall offers the protruding circle of the arc 3-1 of evagination; The inwall correspondence of plug seat 1-1 is provided with the arc guide barrel 1-2 that caves in; In the arc guide barrel 1-2 external diameter that covers greater than the protruding circle of the arc on plug seat 3-1, realize being tightly connected between inner cap 3 and the plug seat 1-1 through the interference fit between the two; Realize that through being prone to opening device the point type between the two is connected between said inner cap 3 and the enclosing cover 4; Said inner cap 3 is connected with point type between the enclosing cover 4 and is prone to the opening device concrete structure and is: point-like is laid with the tearing connecting band 3-2 of circle easy fracture when receiving external force on the said inner cap 3; Enclosing cover 4 is provided with to buckle in the unlatching at tearing connecting band 3-2 middle part and draws button 4-1; When enclosing cover 4 receives external force; The tearing connecting band 3-2 that unlatching draws button 4-1 can tear inner cap 3-2 ruptures until it, thereby enclosing cover 4 is peeled off from inner cap 3 fully, exposes inner cap 3-2; Can remove intermediary welding connecting leg from when said union joint 1 welds with transfusion flexible bag and directly weld with the transfusion flexible bag heat seal, its welding ends 1-4 is shaped as the circular hole shape.
Present embodiment assembling and method for using:
At first; Sealing plug 2 is filled in the plug seat 1-1 of union joint 1; By press equipment inner cap that links together 3 and enclosing cover 4 are pressed into plug seat 1-1 and its sealing and fixing of union joint 1 then, the welding ends 1-4 of union joint 1 and transfusion flexible bag heat seal are welded get final product at last.
During use, enclosing cover 4 and inner cap 3 are peeled off, exposed inner cap 3 intermediary puncturing holes, can carry out the usefulness of medicine-adding infusion by external force.
The difference of present embodiment and embodiment 1 is
Said inner cap 3 is connected for the crossover formula with type of attachment between the enclosing cover 4;
In order further to strengthen the welded seal effect, to have a rhombus of easy solder joint poroid at the two ends that are shaped as of said union joint 1 and transfusion flexible bag heat seal welding ends 1-4.
Embodiment 3
The difference of present embodiment and embodiment 1 is
Said inner cap 3 is connected for the cut channel formula with type of attachment between the enclosing cover 4;
In order further to strengthen the welded seal effect, crossing opening in the middle of said union joint 1 also can be designed as with transfusion flexible bag heat seal welding ends 1-4 is circular hole, with transfusion flexible bag welding face be rhombohedral integrative-structure.
A kind of soft bag infusion of this utility model, liquid feeding plug; Reasonable in design is simple and direct; It is time saving and energy saving to use; And be prone to open, sealing is strong, overturned the traditional structure mode that existing soft bag infusion dosing plug must adopt aluminium-plastic cap, and with respect to existing dosing plug and loading plug have technology simply, low cost of manufacture, the excellent structural advantage of sealing property.
The foregoing description of this utility model only be for explain clearly that this utility model does for example; And be not to be the qualification to the embodiment of this utility model; Those of ordinary skill for affiliated field; On the basis of above-mentioned explanation, can also make other multi-form variation or change; Here can't give exhaustively to all embodiments, conspicuous variation that every technical scheme that belongs to this utility model is extended out or change still are in the row of protection domain of this utility model.
Claims (9)
1. a soft bag infusion, liquid feeding plug, be characterised in that by the centre had opening union joint (1), and the inner cap (3) of union joint (1) pressing sealing, place between union joint (1) and the inner cap (3) sealing plug (2) and through being prone to enclosing cover (4) formation that opening device is connected in inner cap (3) top.
2. a kind of according to claim 1 soft bag infusion, liquid feeding plug; It is characterized in that said union joint (1) has the welding ends (1-4) that welds with the transfusion flexible bag heat seal; The other end is provided with the plug seat (1-1) that is used to hold sealing plug (2); Sealing plug (2) places plug seat (1-1) inside and union joint (1) is carried out shutoff, and inner cap (3) is tightly connected with the plug seat (1-1) of union joint (1).
3. like the said a kind of soft bag infusion of claim 2, liquid feeding plug; It is characterized in that said sealing plug (2) is for stepped; Comprise plug hat (2-1) and the plug neck (2-2) that is connected with plug hat (2-1); Said plug hat (2-1) offers annular ditch groove (2-3) with the junction of plug neck (2-2); Said plug seat (1-1) is gone up correspondence and is offered the ring-type grafting ear (1-3) that can embed annular ditch groove (2-3), when said plug hat (2-1) is inserted plug seat (1-1) inside, and corresponding annular ditch groove (2-3) inside that embeds sealing plug (2) of the ring-type grafting ear (1-3) on the plug seat (1-1); Plug neck (2-2) is close to the inwall of union joint (1), thereby realizes being tightly connected between union joint (1) and the sealing plug (2).
4. a kind of according to claim 1 or claim 2 soft bag infusion, liquid feeding plug; It is characterized in that said inner cap (3) with hermetically-sealed construction between the plug seat (1-1) is: the part that inner cap (3) cooperates with plug seat (1-1) inwall offers the protruding circle of arc (3-1) of evagination; The inwall correspondence of plug seat (1-1) is provided with the arc guide barrel (1-2) that caves in; In arc guide barrel (1-2) external diameter that covers greater than the protruding circle of the arc on the plug seat (3-1), realize being tightly connected between inner cap (3) and the plug seat (1-1) through the interference fit between the two.
5. a kind of according to claim 1 soft bag infusion, liquid feeding plug is characterized in that between said inner cap (3) and the enclosing cover (4) realizing that through being prone to opening device point type between the two is connected, the crossover formula connects and the connection of cut channel formula.
6. like the said a kind of soft bag infusion of claim 5, liquid feeding plug; It is characterized in that said inner cap (3) is connected with point type between the enclosing cover (4) is prone to the opening device concrete structure and is: said inner cap (3) is gone up the tearing connecting band (3-2) that point-like is laid with circle easy fracture when receiving external force, and enclosing cover (4) is provided with the unlatching that buckles in tearing connecting band (3-2) middle part and draws button (4-1).
7. like the said a kind of soft bag infusion of claim 2, liquid feeding plug, what it is characterized in that said union joint (1) and transfusion flexible bag heat seal welding ends (1-4) is shaped as the circular hole shape.
8. like the said a kind of soft bag infusion of claim 2, liquid feeding plug, it is characterized in that to have a rhombus of easy solder joint poroid for the two ends that are shaped as of said union joint (1) and transfusion flexible bag heat seal welding ends (1-4).
9. like the said a kind of soft bag infusion of claim 2, liquid feeding plug, it is characterized in that crossing opening in the middle of said union joint (1) and the transfusion flexible bag heat seal welding ends (1-4) is circular hole, with transfusion flexible bag welding face be rhombohedral integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200967923U CN202478167U (en) | 2012-03-15 | 2012-03-15 | Soft-bag transfusion liquid-adding plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200967923U CN202478167U (en) | 2012-03-15 | 2012-03-15 | Soft-bag transfusion liquid-adding plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202478167U true CN202478167U (en) | 2012-10-10 |
Family
ID=46952633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200967923U Expired - Lifetime CN202478167U (en) | 2012-03-15 | 2012-03-15 | Soft-bag transfusion liquid-adding plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202478167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342845A (en) * | 2015-10-30 | 2016-02-24 | 苏州创扬医药包装科技有限公司 | Soft bottle for transfusion |
-
2012
- 2012-03-15 CN CN2012200967923U patent/CN202478167U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342845A (en) * | 2015-10-30 | 2016-02-24 | 苏州创扬医药包装科技有限公司 | Soft bottle for transfusion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |