CN205198456U - A combined cover and infusion packaging container for infusing packaging container - Google Patents

Abstract

The utility model discloses a combined cover and infusion packaging container for infusing packaging container. Be used for infusing packaging container's combined cover, including bivalve enclosing cover and sealed inner cup, the bivalve enclosing cover includes two valve bodies, and sealed inner cup builds in in the inner chamber of bivalve enclosing cover, packs to have between the interior caping of sealed inner cup and the outer caping of bivalve enclosing cover to be used for sealing stopper sealed between bivalve enclosing cover and the sealed inner cup, and sealed inner cup includes the annular column and is used for the sealed lid of complete closing cap annular column upper portion open -ended, and the annular column covers integrative injection moulding with sealing up, a trompil has been offered for each valve body of bivalve enclosing cover to sealed lid, and the closing cap has the seal membrane that is used for the liquid medicine in the separation infusion packaging container in the trompil, the seal membrane welds or firmly bonds and covers in sealed. Can adopt invariable external force to puncture, avoid taking place the too big condition of puncturing force, change the atress situation of seal membrane, the seal membrane ftractures when eliminating the puncture, block up the needle, bits (falling the particle) scheduling problem falls.

Description

Combination cap for infusion packaging container and infusion packaging container

technical field

The utility model relates to the field of medical packaging, in particular to a combined cover for a transfusion packaging container. In addition, the utility model also relates to an infusion packaging container comprising the above combined cover for the infusion packaging container.

Background technique

The existing double-valve combined cap for large infusion plastic packaging is composed of an inner cap, a rubber plug and an outer cap, the inner cap and the outer cap are pressed and connected, and the rubber plug is located between the inner and outer caps. The inner cover is composed of an annular column, a sealing cover for sealing the upper end of the annular column and an opening, and the corresponding opening of the sealing cover is a thin sheet structure which is beneficial to puncture.

The inner cover is integrally formed by injection molding, and the sheet structure is also a part of the integral injection molding of the inner cover. Since the thin sheet structure on the sealing cover needs to be pierced by a needle during use, the thickness is generally 0.2-0.6mm. Due to some limitations of the injection molding process itself Affected by factors, the sheet structure on the sealing cap has problems of uneven thickness, softness and hardness, resulting in cracking, needle blocking, chip falling (dropping particles) and excessive puncturing force during puncturing, which brings inconvenience to use.

Utility model content

The utility model provides a combination cover for the infusion packaging container and the infusion packaging container to solve the problem that the existing double-valve combination cover is easily affected by the injection molding process because the sheet structure is integrally injection molded on the inner cover and the thickness has a puncture requirement. Due to the influence of factors, there are problems of uneven thickness, softness and hardness in the thin sheet structure, resulting in technical problems such as cracking, needle blocking, chip falling (dropping particles) and excessive puncture force during puncture.

According to one aspect of the utility model, there is provided a combined cover for infusion packaging containers, which includes a double-valve outer cover and a sealing inner cover, the double-valve outer cover includes two valve bodies, and the sealing inner cover is embedded and fixed on the double-valve outer cover The inner cavity of the sealed inner cover and the outer cover top of the double-valve outer cover are filled with a sealing rubber plug for sealing between the double-valve outer cover and the sealed inner cover. The sealed inner cover includes an annular column and a The sealing cover that seals the opening on the upper part of the ring column, the ring column and the sealing cover are integrally injection molded; the sealing cover is provided with an opening relative to each valve body of the double valve outer cover, and the opening is sealed to block the infusion packaging container The sealing film of the liquid medicine inside; the sealing film is welded or firmly bonded on the sealing cover.

Further, the part where the opening is located on the sealing cover is partially recessed to form a groove for accommodating the sealing film.

Further, an embedding mechanism for fixing the setting position of the annular column is provided between the annular column and the side wall of the double valve outer cover; the embedded mechanism includes an upper limit for limiting the distance that the annular column advances in the inner cavity of the double valve outer cover part and the lower limiting part used to prevent the annular column pushed into the inner cavity of the double valve outer cover from exiting the inner cavity of the double valve outer cover.

Further, a socket hole is opened in the middle of the sealing rubber plug, and the top of the outer cover of the double-valve cover is downwardly provided for inserting into the socket hole so as to fix the sealing rubber plug and prevent the sealing rubber plug from flowing into the liquid medicine with the puncture needle. direction of movement of the plunger.

Further, a buffer hole is provided on the sealing inner cover relative to the inserting direction of the inserting rod for buffering the insertion force of the inserting rod, buffering the reaction force of gas compression, and buffering the radial extrusion force on the sealing inner cover.

Further, the sealing rubber plug and the double valve outer cover and/or the sealing rubber plug and the sealing inner cover are embedded and fixed to each other.

Further, relative to each valve body, the sealing rubber plug is provided with a downwardly recessed first recess; and/or the sealing rubber plug is provided with an upwardly recessed second recess relative to each opening.

Further, the valve body includes a perforation opened on the top of the outer cover of the double valve cover and a valve head that completely closes the perforation; Weak band coming off the top of the cover.

Further, the bottom of the double-valve outer cover is flush with the bottom of the sealed inner cover.

According to another aspect of the present invention, there is also provided an infusion packaging container, which includes the above combined cap for an infusion packaging container.

The utility model has the following beneficial effects:

This is a combination cover for infusion packaging containers. The inner cover is integrally injection-molded with a ring-shaped column and a sealing cover, and the puncture channel on the inner cover is set in a separate way, that is, there is an opening corresponding to each valve body on the sealing cover. , The sealing film is welded or firmly bonded to completely cover the opening, so as to ensure the structural unity of the sealing film, and can be punctured with a constant external force to avoid excessive puncture force. And the sealing film is connected to the sealing cover through connection, and the connection part forms a barrier layer and a buffer layer for external force transmission, thereby changing the force condition of the sealing film and eliminating cracking, needle blocking, and chipping (dropping particles) of the sealing film during puncture. And other issues.

In addition to the purposes, features and advantages described above, the present invention has other purposes, features and advantages. Below with reference to figure, the utility model is described in further detail.

Description of drawings

The accompanying drawings constituting a part of this application are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute an improper limitation of the utility model. In the attached picture:

Fig. 1 is a schematic structural view of a combined cover for an infusion packaging container according to a preferred embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a sealed inner cover of a preferred embodiment of the present invention;

FIG. 3 is a top view of FIG. 2 .

illustration:

1, double valve outer cover; 101, valve body; 1011, perforation; 1012, valve head; 1013, weak zone; 2, sealing inner cover; 201, ring column; 202, sealing cover; 2021, opening; 203, buffer Hole; 3, sealing rubber plug; 301, socket hole; 4, sealing film; 5, groove; 6, embedded mechanism; 601, upper limit piece; 602, lower limit piece; A concave groove; 9. The second concave groove.

detailed description

The embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings, but the present utility model can be implemented in various ways defined and covered below.

Fig. 1 is a schematic structural view of a combined cap for an infusion packaging container in a preferred embodiment of the present invention; Fig. 2 is a schematic structural view of a sealed inner cap in a preferred embodiment of the present invention; Fig. 3 is a top view of Fig. 2 .

As shown in FIG. 1 , the combined cap for the infusion packaging container of this embodiment includes a double-valve outer cap 1 and a sealed inner cap 2 . The double valve cover 1 includes two valve bodies 101 . The sealing inner cover 2 is embedded in the inner cavity of the double-valve outer cover 1 . A sealing rubber plug 3 for sealing between the double valve outer cover 1 and the sealing inner cover 2 is filled between the inner cover top of the sealing inner cover 2 and the outer cover top of the double valve outer cover 1 . The sealing inner cover 2 includes an annular column 201 and a sealing cover 202 for sealing the opening on the upper part of the annular column 201 . The ring column 201 and the sealing cover 202 are integrally injection molded. The sealing cover 202 defines an opening 2021 relative to each valve body 101 of the double-valve outer cover 1 . The opening 2021 is covered with a sealing film 4 for blocking the medicinal solution in the infusion solution packaging container. The sealing film 4 is welded or firmly bonded to the sealing cover 202 . This combined cover for infusion packaging containers, the inner cover adopts the integral injection molding of the ring column 201 and the sealing cover 202, and the puncture channel on the inner cover is set in a separate way, that is, the sealing cover 202 is opened corresponding to each valve body 101 There is an opening 2021, and the sealing film 4 is completely covered by welding or firmly bonding the opening 2021, so as to ensure the structural unity of the sealing film 4, and a constant external force can be used for puncturing to avoid excessive puncturing force . And the sealing film 4 is connected to the sealing cover 202 by means of connection, and the connection part forms a barrier layer and a buffer layer for external force transmission, thereby changing the stress state of the sealing film 4 and eliminating cracking, needle blocking, and chip falling of the sealing film 4 during puncture. (drop particles) and other issues.

As shown in FIG. 1 , FIG. 2 and FIG. 3 , in this embodiment, the opening 2021 on the sealing cover 202 is partially recessed to form a groove 5 for accommodating the sealing film 4 . The connection and installation of the structure of the sealing film 4 is convenient; at the same time, the sealing film 4 will not constitute an obstacle to the connection between the sealing inner cover 2 and the double valve outer cover 1 .

As shown in FIG. 1 , FIG. 2 and FIG. 3 , in this embodiment, an embedding mechanism 6 for fixing the setting position of the annular column 201 is provided between the annular column 201 and the side wall surface of the double valve cover 1 . Improve the structural stability of the composite cover. The embedding mechanism 6 includes an upper limiter 601 for limiting the advancing distance of the annular post 201 in the inner cavity of the double valve outer cover 1 and for preventing the annular post 201 from being pushed into the inner cavity of the double valve outer cover 1 from exiting the double valve outer cover. The lower stopper 602 of the inner cavity of the cover 1 . When the sealing inner cover 2 is installed into the inner cavity of the double-valve outer cover 1, through the cooperation of the upper limiter 601 and the lower limiter 602, the sealing inner cover 2 is located at a specific position in the double-valve outer cover 1, and at the same time passes through the upper limiter. 601 and the lower limiter 602 form a double seal between the annular column 201 and the double valve cover 1, thereby ensuring structural stability and sealing.

As shown in FIG. 1 , in this embodiment, a socket hole 301 is opened in the middle of the sealing rubber plug 3 . The top of the outer cover of the double valve outer cover 1 is downwardly provided with an insertion rod 7 for inserting into the socket hole 301 to fix the sealing rubber plug 3 and prevent the sealing rubber plug 3 from moving toward the liquid medicine with the puncture needle.

As shown in Fig. 1, Fig. 2 and Fig. 3, in this embodiment, there is provided on the sealing inner cover 2 relative to the inserting direction of the inserting rod 7 to buffer the inserting force of the inserting rod 7 and the reaction force of buffer gas compression And the buffer hole 203 that buffers the radial extrusion force that the sealing inner cover 2 receives.

As shown in FIG. 1 , in this embodiment, the sealing rubber plug 3 and the double valve outer cover 1 and/or the sealing rubber plug 3 and the sealing inner cover 2 are embedded and fixed to each other. The structural stability of the sealing rubber plug 3 is improved, and the movement of the sealing rubber plug 3 is effectively prevented during puncturing, thereby ensuring the tightness of the structure.

As shown in FIG. 1 , in this embodiment, optionally, the sealing rubber plug 3 is provided with a first recessed groove 8 which is recessed downward relative to each valve body 101 . Optionally, the sealing rubber plug 3 is provided with a second upwardly recessed recessed groove 9 corresponding to each opening 2021 . Optionally, the sealing rubber plug 3 is provided with a downwardly recessed first recess 8 relative to each valve body 101; the sealing rubber plug 3 is provided with a upwardly recessed second recess relative to each opening 2021 Slot 9. To facilitate the puncture of the puncture needle, it also prevents the sealing rubber plug 3 from being deformed by external force and dislocation movement, thereby improving the sealing performance of the structure and preventing foreign objects from entering the infusion container.

As shown in FIG. 1 , in this embodiment, the valve body 101 includes a perforation 1011 opened on the top of the outer cover of the double valve cover 1 and a valve head 1012 that completely closes the perforation 1011 . A weak band 1013 is provided between the top of the double valve cover 1 and the valve head 1012 to make the valve head 1012 fall off from the top of the cover by external force.

As shown in FIG. 1 , in this embodiment, the bottom of the double-valve outer cover 1 is flush with the bottom of the sealed inner cover 2 . To facilitate the combined assembly of the combined cover and the infusion container, effectively prevent the double-valve outer cover 1 or the sealed inner cover 2 from being broken or the sealed inner cover 2 fall off due to external force.

The packaging container for infusion in this embodiment includes the above combined cap for the packaging container for infusion.

During implementation, a composite cover is provided which includes a sealed inner cover 2 , a sealing rubber plug 3 and a double-valve outer cover 1 . The sealing inner cover 2 is pressed and connected with the double-valve outer cover 1 , and the sealing rubber plug 3 is located between the sealing inner cover 2 and the double-valve outer cover 1 . The sealing inner cover 2 includes an annular post 201 , a sealing cover 202 , an opening 2021 , and a sealing film 4 sealing the opening 2021 . Wherein the annular column 201, the sealing cover 202, and the opening 2021 are integrally formed by injection molding. The sealing film 4 completely seals the opening 2021 and is welded or bonded firmly with the sealing cover 202 . Thereby guaranteeing that the sealing rubber plug 3 and the medicinal liquid in the infusion container do not contact before use when the combined cover is used for the packaging of large transfusion soft bags or large transfusion plastic bottles. The thickness of the sealing film 4 is 0.15mm-0.4mm, so that it is easy to ensure that the film thickness of the sealing film 4 is uniform, and the softness and hardness are consistent, which overcomes the problems of the original injection molding, thereby eliminating cracking, needle blocking, and chipping (dropping particles) during puncture. And the problem of excessive puncture force, easy and reliable to use.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1., for a composite cover for infusion packaging container, comprise bivalve enclosing cover (1) and inner sealing lid (2),

Described bivalve enclosing cover (1) comprises two valve bodies (101),

Described inner sealing lid (2) build-in in the inner chamber of described bivalve enclosing cover (1),

The seal rubber plug (3) for sealing between described bivalve enclosing cover (1) and described inner sealing lid (2) is filled with between the interior caping of described inner sealing lid (2) and the outer caping of described bivalve enclosing cover (1)

It is characterized in that,

Described inner sealing lid (2) comprises circular column (201) and the seal cover (202) for being sealed on described circular column (201) upper opening,

Described circular column (201) and described seal cover (202) integrated injection molding;

Described seal cover (202) relative to described bivalve enclosing cover (1) each described in valve body (101) offer a perforate (2021),

Described perforate (2021) upper cover has the diaphragm seal (4) for intercepting the medicinal liquid in infusion packaging container;

Described diaphragm seal (4) welding or strong bond are on described seal cover (202).

2. the composite cover for infusion packaging container according to claim 1, is characterized in that,

The upper position local dent residing for described perforate (2021) of described seal cover (202) forms the groove (5) for holding diaphragm seal (4).

3. the composite cover for infusion packaging container according to claims 1 or 2, is characterized in that,

The build-in mechanism (6) for fixing described circular column (201) setting position is provided with between the side wall surface of described circular column (201) and described bivalve enclosing cover (1);

Described build-in mechanism (6) comprises for limiting the upper limit part (601) of distance and the lower limit part (602) for preventing the described circular column (201) be pushed in described bivalve enclosing cover (1) inner chamber from exiting bivalve enclosing cover (1) inner chamber that described circular column (201) advances at described bivalve enclosing cover (1) inner chamber.

4. the composite cover for infusion packaging container according to claims 1 or 2, is characterized in that,

The middle part of described seal rubber plug (3) offers socket joint hole (301),

The outer caping of described bivalve enclosing cover (1) is provided with downwards for being plugged in described socket joint hole (301) to fix described seal rubber plug (3) and to prevent described seal rubber plug (3) with the inserted link (7) of puncture needle to the movement of medicinal liquid direction.

5. the composite cover for infusion packaging container according to claim 4, is characterized in that,

On described inner sealing lid (2) relative to the grafting direction of described inserted link (7) offer grafting active force for cushioning described inserted link (7), buffer gas compression counteracting force and cushion the cushion hole (203) of the radial compression power that described inner sealing lid (2) is subject to.

6. the composite cover for infusion packaging container according to claim 4, is characterized in that,

Mutual build-in is fixed between described seal rubber plug (3) and described bivalve enclosing cover (1) and/or between described seal rubber plug (3) and described inner sealing lid (2).

7. the composite cover for infusion packaging container according to claims 1 or 2, is characterized in that,

Described seal rubber plug (3) offers first recessed groove (8) to lower recess relative to valve body described in each (101); And/or

Described seal rubber plug (3) offers second recessed groove (9) upwards caved in relative to perforate described in each (2021).

8. the composite cover for infusion packaging container according to claims 1 or 2, is characterized in that,

Described valve body (101) comprises the perforation (1011) on the outer caping being opened in described bivalve enclosing cover (1) and closes the valve head (1012) of described perforation (1011) completely;

The weakness band (1013) for making described valve head (1012) come off from described outer caping by external force is provided with between the outer caping of described bivalve enclosing cover (1) and described valve head (1012).

9. the composite cover for infusion packaging container according to claims 1 or 2, is characterized in that,

Described bivalve enclosing cover (1) bottom flushes with described inner sealing lid (2) bottom.

10. an infusion packaging container, is characterized in that, comprises the composite cover for infusion packaging container according to any one of claim 1 to 9.