CN213110543U

CN213110543U - Can prevent to produce plastic-aluminum combined cover of burr of uncapping

Info

Publication number: CN213110543U
Application number: CN202020592219.6U
Authority: CN
Inventors: 潘政渊
Original assignee: Deqing Zhengxin Packaging Material Co ltd
Current assignee: Deqing Zhengxin Packaging Material Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-05-04
Anticipated expiration: 2030-04-20

Abstract

The utility model provides a can prevent to produce plastic-aluminum combined cover of burr that uncaps, includes the aluminium lid and connects the aluminium is covered and is covered the lid of moulding, the aluminium is covered and is opened circular via hole, mould the lid and have lower convex part, lower convex part passes circular via hole just the convex part has with the laminating part that the lower surface of aluminium lid offseted, the aluminium is covered still to be suppressed there is the round indent, the aluminium lid correspond to be equipped with the round on the lower surface of indent and draw disconnected nick, mould to cover and be connected with the pressing component, pressing component is used for pushing down the indent and make it along draw disconnected nick fracture. The utility model discloses simple structure, convenient to use can not be remaining the burr of perk is covered to the aluminium, therefore is difficult for causing the fish tail to the human body, and it is easy and simple to handle to uncap, safe and reliable.

Description

Can prevent to produce plastic-aluminum combined cover of burr of uncapping

Technical Field

The utility model relates to a medicine bottle lid technical field specifically is a can prevent to produce plastic-aluminum combined cover of burr of uncapping.

Background

At present, medical oral liquid, medical antibiotic and infusion bottled liquid are generally sealed and packaged by using an aluminum-plastic combined cover. The aluminum-plastic combined cover comprises an aluminum cover and a plastic cover connected to the aluminum cover. When the bottle is opened, the plastic cover at the top of the bottle body is broken off by hand, so that the central part of the top surface of the aluminum cover is torn off, the sealing gasket pressed on the bottle opening by the aluminum cover is exposed, and the liquid in the bottle can be extracted or sucked by inserting the needle tube or the suction tube into the exposed sealing gasket on the central hole of the aluminum cover. And because the upward pulling force when receiving to open and mould the lid, can form the burr that upwarps on the aluminium lid main part of remaining. When the suction pipe inserted into the bottleneck is sucked by the mouth and the exposed length of the suction pipe is short, the situation that the lips are scratched by burrs occasionally occurs; when medical staff disinfect the bottle cap after the plastic cap is peeled off and liquid in the bottle is pumped by using an injector, fingers can be scratched by the cap-lifting burrs on the bottle cap accidentally, so that potential safety hazards are formed. At present, some manufacturers improve the stamping part on the aluminum cover so as to avoid burr generation, for example, an aluminum-plastic combined cover which can avoid the generation of cover-lifting burrs on the aluminum cover is disclosed in the patent document with the patent application number of CN201910805502.4, the structure of the aluminum-plastic combined cover comprises the aluminum cover and a plastic cover connected on the aluminum cover, a circular tearing groove is pressed on the aluminum cover, the tearing groove is formed at the groove bottom of the tearing groove, a plurality of connecting bridges are distributed at intervals on the tearing groove, the connecting bridges are trapezoidal bridges gradually narrowed from the center of the aluminum cover to the edge direction of the aluminum cover, and the outer side connecting points of the connecting bridges are close to the groove bottom of the tearing groove. In practical use, however, the effect of the scheme is not perfect, and burrs still exist in different cases of pulling and opening the plastic cover.

Disclosure of Invention

A technical object of the utility model is to provide a can prevent to produce the plastic-aluminum combined cover of burr of uncapping, solve current plastic-aluminum combined cover and easily produce the problem of burr after uncapping.

The utility model discloses a concrete technical scheme as follows: the utility model provides a can prevent to produce plastic-aluminum combined cover of burr that uncaps, includes the aluminium lid and connects the aluminium is covered and is covered the lid of moulding, the aluminium is covered and is opened circular via hole, mould the lid and have lower convex part, lower convex part passes circular via hole just the convex part has with the laminating part that the lower surface of aluminium lid offseted, the aluminium is covered still to be suppressed there is the round indent, the aluminium lid correspond to be equipped with the round on the lower surface of indent and draw disconnected nick, mould to cover and be connected with the pressing component, pressing component is used for pushing down the indent and make it along draw disconnected nick fracture.

Most of the existing aluminum-plastic combined covers are opened by pulling off the plastic cover and tearing off the inner ring cover surface part on the aluminum cover. In this way, the torn opening in the aluminum lid tends to rise up along the edge and is accompanied by burrs, and in the background art, connecting bridges are mentioned, which are the main cause of the formation of burrs after they have been broken. The burrs often scratch the skin of operators or recycling personnel, and the lips of persons for taking the medicine can be scratched when the medicine is orally taken, so that the existence of the burrs is a great safety hazard in use. This scheme utilization press the subassembly to the mode of uncapping of pressing that is different from common lid of tearing, let open the opening edgewise downwarping of lid back aluminium lid, can not form the part of perk, has not had the connection bridge in addition, and the burr also is difficult to appear, even has some unsmooths to appear on some opening edgewise, also is towards downwards, is difficult for hindering the user. The breaking nicks are preset at the bottom of the pressure groove, namely a circle of breaking nicks are formed on the pressure groove, so that the pressure groove can be broken along the track of the breaking nicks more easily and completely when being pressed down.

Preferably, the pressing assembly comprises a pressing cover and a circle of pressing ring, the pressing ring is arranged on the lower surface of the pressing cover, the plastic cover comprises an outer cover part and an inner cover part which are independent of each other, a circle of gap is formed between the outer cover part and the inner cover part, and the gap is used for allowing the pressing ring to pass through and is opposite to the pressing groove from top to bottom.

Through pushing down the gland for the clamping ring pushes down the indent, opens the aluminium lid until the indent fracture, and aluminium lid opening edge after the fracture does not have the burr and downwarping, and the aluminium lid part of fracture separation breaks away from together because the existence of centre gripping convex part is along with inner cup part.

Preferably, the cross section of the pressure ring is V-shaped.

The design of "V" shape, that is the inclined plane of clamping ring inside and outside makes the clamping ring can aim at more easily at the in-process that progressively pushes down the indent and can with the aluminium lid part on indent both sides contacts completely, also to opening edge each sufficient application of force, can ensure after pressing absolutely to push the bending downwards and play certain round curved effect with cracked opening edge behind the indent. If the clamping ring is a ring with a vertical slice section, in the process of pressing down, the vertical surfaces of the inner side and the outer side of the clamping ring are likely to be distorted and deformed due to stress and are not effectively contacted with part of the opening edge, so that the clamping ring is not completely broken, the whole circle of the opening edge cannot be bent downwards, and burrs still appear when the clamping ring is broken subsequently.

Preferably, the pressing ring is provided with a limiting part, and the limiting part is used for abutting against the lower surface of the outer cover part and/or the inner cover part to prevent the pressing component from being separated.

Spacing portion lets the clamping ring keep depending on mould the lid, both be equivalent to the assembly together, can not separate yet, also be difficult for losing, it is also more convenient in the operation, will the indent is pressed the back absolutely, the inner cup part the enclosing cover part press the subassembly and the aluminium lid part of fracture separation and lift away together.

Preferably, the top of the pressing ring is serrated.

Due to the design of the saw-toothed shape, the pressing ring can more easily break the pressing groove in the pressing process.

Preferably, the upper surface of the gland is convex and bulges upwards.

The raised surface makes it easier for the finger to exert force when pressed.

Preferably, the upper surface of the gland is provided with a groove cavity for pressing by fingers.

The raised surface allows the finger to more easily hold and apply force when pressed.

Preferably, the upper surface of the gland is distributed with anti-skid bulges in a dotted way.

Preferably, the upper surface of the gland is distributed with strip-shaped anti-skid lines.

Preferably, a lid-pulling projection is provided on the circumferential side surface of the outer lid portion.

After the pressing assembly presses the pressing groove to be broken, the plastic cover and the broken aluminum cover are lifted, and the cover-pulling convex part is convenient for fingers to open the cover.

The technical advantages of the utility model reside in that plastic-aluminum combined cover simple structure, convenient to use utilize press the subassembly will the aluminium is covered the indent pushes down to the fracture, lifts again mould the lid and be pressed disconnected separation aluminium lid part is different from the direct mode of upwards tearing the aluminium lid of current plastic-aluminum combined cover, and this scheme can not be in the surplus the burr that stays the perk is covered to the aluminium, therefore is difficult for causing the fish tail to the human body, and the easy and simple to handle that uncaps, safe and reliable is worth using widely in this field.

Drawings

Fig. 1 is a schematic sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of an aluminum cover according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a plastic cover according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an upper surface of another press cover according to an embodiment of the present invention;

the names of the parts corresponding to the numbers in the figure are respectively: 1-aluminum cover, 11-round via hole, 12-press groove, 2-plastic cover, 21-lower convex part, 22-outer cover part, 221-cover-shifting convex part, 23-inner cover part, 24-gap, 3-press component, 31-press cover, 311-surface, 312-groove cavity, 32-press ring and 321-limiting part.

Detailed Description

The invention will be further explained by means of specific embodiments with reference to the drawings, in which:

referring to fig. 1, 2 and 3, the aluminum-plastic combined cover capable of preventing cover opening burrs comprises an aluminum cover 1 and a plastic cover 2 connected to the aluminum cover 1, wherein a circular through hole 11 is formed in the aluminum cover 1, the plastic cover 2 is provided with a lower convex portion 21, the lower convex portion 21 penetrates through the circular through hole 11, and the lower convex portion 21 is provided with a fitting portion abutting against the lower surface of the aluminum cover 1. Specifically, the plastic cover 2 includes an outer cover portion 22 and an inner cover portion 23 which are separated from each other, and the lower protrusion 21 is provided on the lower surface of the inner cover portion 23. The outer lid portion 22 is further provided with a lid-pulling protrusion 221 on the peripheral side surface thereof for facilitating pulling by hand. The present most plastic-aluminum combined cover all has such setting of lower convex part 21 for let mould 2 and tear aluminium lid 1 formation opening in the area, expose inside sealed plug, nevertheless the plastic cover 2 of present plastic-aluminum combined cover is the integral type, does not have the branch of independent inside and outside lid, sets up like this in this scheme and moulds lid 2 and press subassembly 3 and realize its function of pressing the uncapping for the cooperation installation.

The aluminum cap 1 is further pressed with a circle of indent 12, the lower surface of the aluminum cap 1 corresponding to the indent 12 is provided with a circle of breaking nick, i.e. the breaking nick is engraved on the lower surface of the outer ring cap portion, the indent 12 is opened on the upper surface of the outer ring cap portion, and the breaking nick and the indent 12 correspond to each other on the front and back surfaces. So that the indentations 12 can be pressed off more easily and accurately from above downwards by breaking the score. The breaking score corresponds to the bottom center of the indent 12, i.e. in this embodiment, the cross section of the indent 12 is "V" shaped, and the trajectory of the breaking score is aligned parallel and consistent with the trajectory of the bottom tip of the "V". The plastic cover 2 is connected with a pressing component 3, and the pressing component 3 is used for pressing the pressing groove 12 downwards and enabling the pressing groove to be broken along the breaking nick. Specifically, the pressing assembly 3 comprises a pressing cover 31 and a circle of pressing rings 32, and the pressing rings 32 are arranged on the lower surface of the pressing cover 31; a circle of through seams 24 are formed between the outer cover part 22 and the inner cover part 23, the through seams 24 are used for allowing a pressing ring 32 to pass through, the pressing ring 32 is vertically opposite to the pressing groove 12, the through seams 24 are in clearance fit with the pressing ring 32, and the edge of the pressing cover 31 covers the annular through seams 24. Further, a limiting portion 321 is disposed on the pressing ring 32, in this embodiment, the limiting portion 321 may be a transverse limiting block (or may be a limiting ring belt) on the pressing ring 32, which abuts against the lower surfaces of the outer cover portion 22 and the inner cover portion 23 to prevent the pressing assembly 3 from being separated, and after the cover is opened by pressing, the pressing assembly 3 is separated from the entire plastic cover 2.

More specifically, the pressing ring 32 has a V-shaped cross section, and further, a serrated groove may be formed at the top thereof, so that the pressing ring can be sufficiently contacted with the pressing groove 12 and both sides thereof while being effectively aligned with the pressing groove 12, and sufficient pressure is provided to press and break the pressing groove 12, and an opening edge formed after the breaking is bent downward, and no burr is generated. With respect to the gland 31, more specifically, the upper surface is a convex surface 311 (see fig. 1) which is raised upward, or the upper surface can be provided with a groove cavity 312 (see fig. 4) for pressing by a finger, which is considered for facilitating the pressing force of a human hand. For anti-skid, the upper surface of the pressing cover 31 may be further provided with anti-skid protrusions distributed in a dot shape or anti-skid lines distributed in a strip shape.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments of the present invention can be modified or altered without departing from the principles.

Claims

1. The utility model provides a can prevent to produce plastic-aluminum combined cover of burr of uncapping, includes aluminium lid (1) and connects mould lid (2) on aluminium lid (1), it has circular via hole (11) to open on aluminium lid (1), mould lid (2) have down convex part (21), convex part (21) pass down circular via hole (11) just convex part (21) have down with the laminating part that the lower surface of aluminium lid (1) offseted, still the suppression has round indent (12), its characterized in that on aluminium lid (1): the aluminium lid (1) correspond to be equipped with the round on the lower surface of indent (12) and draw disconnected nick, it presses subassembly (3) to be connected with on lid (2) to mould, it is used for pushing down to press subassembly (3) indent (12) and make it along draw disconnected nick fracture.

2. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 1, wherein: the pressing assembly (3) comprises a pressing cover (31) and a circle of pressing ring (32), and the pressing ring (32) is arranged on the lower surface of the pressing cover (31); mould lid (2) including mutually independent enclosing cover part (22) and inner cup part (23), convex part (21) set up down on the lower surface of inner cup part (23), enclosing cover part (22) with there is round seam (24) between inner cup part (23), it is used for the confession to cross seam (24) clamping ring (32) pass through just clamping ring (32) with indent (12) is relative from top to bottom.

3. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: be equipped with spacing portion (321) on clamping ring (32), spacing portion (321) be used for with the lower surface counterbalance of enclosing cover part (22) and/or inner cup part (23) prevents pressing subassembly (3) break away from.

4. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2 or 3, wherein: the press ring (32) is provided with a top part with a V-shaped section.

5. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 4, wherein: the top of the press ring (32) is serrated.

6. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: the upper surface of the gland (31) is a convex surface (311) which is raised upwards.

7. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: the upper surface of the gland (31) is provided with a groove cavity (312) for pressing by fingers.

8. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: anti-skid protrusions are distributed on the upper surface of the gland (31) in a dotted manner.

9. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: the upper surface of the gland (31) is provided with strip-shaped anti-skid lines.

10. The aluminum-plastic combined cover capable of preventing the generation of the cover opening burrs as claimed in claim 2, wherein: a lid-pulling convex part (221) is arranged on the peripheral side surface of the outer lid part (22).