CN201782957U - Combined cover used for sealing medicine bottles - Google Patents

Abstract

A combined cover used for sealing medicine bottles comprises a main cover, a sealing cover, an inner plug and a sealing ring. The main cover comprises an end surface, an outer peripheral wall and a sealing portion, wherein the outer peripheral wall downwards extends along the edge of the end surface, the sealing portion is an annular wall which downwards extends from the end surface, a first cavity is formed between the sealing portion and the outer peripheral wall, a stopper part is arranged on the inner side of the lower portion of the annular wall, the annular wall is further provided with an isolating diaphragm, the sealing portion and the isolating diaphragm encircle to form a second cavity, the sealing cover comprises a connecting portion and an easily-foldable cap, the connecting portion is in press-fit joint with a first opening of the second cavity at the end surface of the main cover, a second opening is disposed in the middle of the connecting portion and sealed by the easily-foldable cap through an annular breakage portion at the end, the inner plug is sealed in the second cavity through the connecting portion of the sealing cover, and the sealing ring is disposed in the first cavity. The combined cover resolves the problem that when existing packaging aluminum covers for vials are tightened on bottle mouths in a rolling manner, a binder is rubbed with the aluminum covers to generate aluminum powder, simultaneously resolves the problem that quality of medicine is affected when rubber plugs contact with the medicine in bottles, and is simple in structure and process.

Description

The composite cover that is used for sealed vial

Technical field

This utility model relates to the drug packaging field, relates to a kind of composite cover that is used for medicine bottle particularly.

Background technology

The general form that adopts as shown in Figure 1 of existing cillin bottle packing comprises composite cover 5, the cillin bottle 2 that has plug 4 and is contained in medicine 3 in the cillin bottle 2.Plug 4 wherein easily contacts with medicine 3 in the bottle in transporting procedures, owing to contain compositions such as rubber, vulcanizing agent, vulcanization accelerator, filler, plasticizer, protein molecule in the plug composition, after the more intense medicine of some molecular activities contacts, by drug absorption, absorption, leaching, infiltration, produced the consistency problem of plug and medicine, relatively more outstanding is part cephalosporins, part infusion solutions class and more Chinese medicine injection liquid formulation etc., thereby influences drug quality.

In order to address this problem, existing generally adopt glue stopper neck portion (can with medicine contact site in the bottle) surface coverage one deck stable performance, with the good film of drug compatibility, directly contact to prevent medicine with plug.But this plug complex manufacturing, the cost height.

Simultaneously, packing shown in Figure 1 adopts plastic-aluminum combined lid that plug and bottleneck are compressed, and when being rolled into bottleneck on knife plastic-aluminum combined lid, knife and aluminium lid friction produce the aluminium powder bits, pollute production environment.

The utility model content

The purpose of this utility model is to be provided for a kind of composite cover of sealed vial, to avoid such shortcoming of the prior art: consider to be worth doing because of the friction of knife and aluminium lid produces aluminium powder when the cillin bottle packaging seal; Interior plug contacts with a bottle interior medicine, influences quality of liquid medicine.

Therefore this utility model proposes following technical scheme, has solved above-mentioned technical problem.

A kind of composite cover that is used for sealed vial comprises main lid, seal cover, Nei Sai and sealing ring.Main lid comprises end face, along the periphery wall of end surface side along downward extension, and sealing, sealing comprises the annular wall that end face extends downwards, form first cavity between this annular wall and the periphery wall, lower inside in annular wall is provided with stop part, and is provided with isolating membrane at the middle part of described stop part, and annular surrounds one second cavity with isolating membrane; Seal cover comprises: connecting portion, and leading the first opening press-fit engagement of covering the end with second cavity, and having second opening in the centre position, easy-to-fold cap, it seals second opening by the annular broken part that is positioned at the end; The connecting portion of the sealed lid of interior plug is sealed in second cavity; Sealing ring is arranged in first cavity.

Connecting portion at seal cover can cooperate with first cracking pressure by concaveconvex structure.Can also radially have first groove or first hole of some perforations at sealing.Can also on the periphery wall of main lid, also have second groove or second hole of some perforations.

In other embodiment, have barb portion in the main inboard of covering the lower end of periphery wall towards bottleneck, the lower end of sealing has chamfering.

Easy-to-fold cap is the shaft-like shape that is easy to the handle of afterburning shape of finger such as long waist shaped or rectangular or cylindricality.

Composite cover of the present utility model does not need with knife plastic-aluminum combined lid to be rolled on the bottleneck, avoids the generation of aluminium powder bits.In addition should the close fit of packing by sealing and bottleneck inwall, can prevent contacting of medicinal liquid and sealing ring well, thereby guarantee that bottle interior medicine medicine in the shelf-life undergoes no deterioration.

Description of drawings

The structural representation of the antibiotic cillin bottle packing of Fig. 1 prior art;

Fig. 2 is the structural representation of the cillin bottle packing of this utility model embodiment 1;

Fig. 3 is the structural representation of composite cover of the employing of embodiment 1;

Fig. 4 is the vertical view of Fig. 3;

Fig. 5 is the sketch map of main lid;

Fig. 6 is the structural representation of the seal cover of embodiment 1 employing;

Fig. 7 is the structural representation of another kind of composite cover in this utility model among the embodiment 2;

Fig. 8 is the upward view of Fig. 7;

Fig. 9 is the vertical view of Fig. 7;

The structural representation of (being used for lyophilization) when Figure 10 is packaged in the false add plug for the cillin bottle of embodiment 2;

Figure 11 is the structural representation of the composite cover of this utility model embodiment 3 employings;

Figure 12 is the upward view of Figure 11;

Figure 13 is the vertical view of Figure 11;

Mark the parts of identical function among the figure with identical label.

The specific embodiment

Embodiment 1

As shown in Figure 2, this antibiotic cillin bottle comprises composite cover 1, cillin bottle 2 and is contained in the interior medicinal liquid 3 of bottle.Fig. 3 illustrates the cutaway view of independent composite cover 1, and Fig. 4 is the vertical view of Fig. 3.As shown in Figure 3, composite cover 1 by main cover 10, seal cover 20, interior plug 40 and sealing ring 30 constitute.

Fig. 5 illustrates main 10 the structure of covering.As shown in the figure, main cover 10 comprise end face 11, along periphery wall 12 and the sealing 13 of end surface side along extension downwards.Sealing 13 be the annular wall of extending downwards from end face 11 with periphery wall 12 between form annular first cavity 16, be provided with stop part 14 in the lower inside of annular wall, and be provided with isolating membrane 15, sealing 13 and isolating membrane 15 surround one second cavity 17.

Fig. 6 illustrates the structure of seal cover 20 in the present embodiment.As shown in the figure, seal cover 20 comprises connecting portion 22 and foldable handle 26, first opening 171 of the connecting portion 22 and second cavity 17 (at main end face 11 places of covering) press-fit engagement wherein, this press-fit engagement normally realizes by concaveconvex structure, the connecting portion that for example shows seal cover 20 among Fig. 6 has bulge-structure, and appropriate section shown in Figure 5 has recessed structure.Connecting portion 22 has second opening 25 in the centre position; Foldable handle 26 is sealed second opening 25 by the annular broken part 24 that is positioned at the end.

As shown in Figure 3, seal cover 20 is enclosed in interior plug 40 in second cavity of main lid, and second cavity bottom is provided with the isolating membrane 15 that is easy to pierce through; Sealing 13 has certain elasticity, and it cooperates with periphery wall 12 and bottleneck can be pressed together in first cavity 16.Sealing ring 30 is arranged in first cavity.Elastic sealing can be with the bottleneck inner wall sealing, thereby guarantees that sealing ring 30 does not contact with a bottle inner liquid medicine.Sealing ring 30 can be used as a separate part and is placed on and covers in the body; Also can adopt double coloured plastic injection machine will cover earlier behind the body injection molded again with the sealing ring injection molded, both closely link together like this.Sealing ring is with the plain seal of bottleneck top, and medicine and external environment condition are separated fully in the bottle like this, thereby guarantees that medicine medicine in the shelf-life undergoes no deterioration in the bottle.

The medical worker is when the preparation transfusion, can be torn by hand broken part 24, easy-to-fold cap 26 is separated with enclosing cover, expose second opening 25 and Nei Sai 40, then, plug 40 and isolating membrane 15 in the medical worker can puncture with syringe, syringe is in extracting bottle inner liquid medicine process out, medicinal liquid is in sealed environment all the time, thereby guarantees drug safety.

In a kind of decision design, as shown in Figure 5, the main periphery wall that cover presents barb-likely towards a side lower end of bottleneck, seal helping with the bottleneck pressing better.There is a chamfering sealing 15 lower ends, are beneficial to being pressed into of bottleneck.

Fig. 4 is the vertical view of Fig. 3, and it illustrates foldable handle 26 is a sheet material, and foldable handle 26 is sealed opening 25 by broken part 24.

Embodiment 2

Fig. 7 is the structural representation of another kind of composite cover, and Fig. 8 is the upward view of Fig. 7, and Fig. 9 is the vertical view of Fig. 7, and Figure 10 is the sketch map that its composite cover when lyophilization keeps false add plug state.

The difference of present embodiment and embodiment 1 is, is provided with some first grooves 134 on annular sealing 15 in addition, and they pass the full depth of sealing.The degree of depth of first groove 134 should not reach 30 planes that can reach of sealing ring, and in other words, the top of groove should be in the position of sealing ring below 30.The effect of these grooves is, can be under the state that partly covers shown in Figure 10, and the solvent in the bottle can volatilize away from groove.Desolvate and the real composite cover of repress after obtaining lyophilized formulations when removing, to realize the sealing fully of cillin bottle.

As shown in Figs. 7-9, the easy-to-fold cap 26 of seal cover adopts the shape that is different from embodiment 1, and it is a hollow or solid shaft.

Embodiment 3

Figure 11 is the another kind of sketch map that is used for the composite cover of freeze-dried powder cillin bottle packing.Figure 12 is the upward view of Figure 11, and Figure 13 is the vertical view of Figure 11.The groove 134 of present embodiment in having embodiment, also on the periphery wall 12 of main lid, have second groove or second perforation 122 of draining vapour, can make sealing as far as possible little on axial dimension like this.In addition, adopt the easy-to-fold cap of another kind of shape among the embodiment 3.

Be the preferred embodiments of the present invention only below, be not limited to the present invention, the various features that occur in the foregoing description can make up mutually.For a person skilled in the art, the present invention can have other various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (6)

1. composite cover that is used for sealed vial comprises:

Main lid (10) comprising:

End face (11),

Periphery wall (12), extend along downward along described end surface side, and sealing (13), it comprises the annular wall of extending from described end face (11) downwards, form first cavity (16) between described annular wall and the described periphery wall (12), lower inside in described annular wall is provided with annular stop part (14), and is provided with isolating membrane (15) at the middle part of described stop part, and described annular wall and described isolating membrane (15) surround one second cavity (17);

Seal cover (20) comprising:

Annular connecting portion (22) covers first opening (171) press-fit engagement that end face (11) is located with described second cavity (17) described master, and has second opening (25) in the centre position,

Easy-to-fold cap (26), it seals described second opening (25) by the annular broken part (24) that is positioned at the end; And

Interior plug (40) is sealed in described second cavity (17) by the connecting portion of described seal cover (22);

Sealing ring (30) is arranged in described first cavity (16).

2. composite cover according to claim 1 is characterized in that, at the connecting portion (22) of described seal cover by concaveconvex structure and described first opening (171) pressure fitted.

3. composite cover according to claim 1 is characterized in that, radially has first groove or first hole (134) of some perforations on the sealing (13).

4. composite cover according to claim 1 is characterized in that, also has second groove or second hole (122) of some perforations on the periphery wall (12) of described main lid.

5. composite cover according to claim 1 and 2 is characterized in that, has barb portion (124) in the described main inboard towards bottleneck of covering the lower end of periphery wall, and the lower end of described sealing has outer chamfering.

6. cillin bottle packing according to claim 1 is characterized in that described easy-to-fold cap (26) is foldable handle or easy broken rod.

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