CN205525718U - Double -layer bottle cap - Google Patents

Abstract

The utility model discloses a double -layer bottle cap, including last bottle lid, blade, pull ring, lower bottle lid and aluminium foil diaphragm, upward be equipped with the blade in the bottle lid, the bottom inboard of going up the bottle lid is equipped with the internal thread, the lower extreme of going up the bottle lid is equipped with the pull ring, the lower extreme at last bottle lid is established to the bottle lid down, down the middle part outer end of bottle lid is equipped with the external screw thread, and its bottom inboard is equipped with the internal thread, it has one deck aluminium foil diaphragm down to establish to bond between external screw thread and the internal thread of bottle lid, this double -layer bottle cap has better leakproofness and security and the material residual phenomena can not appear, has improved the security of product itself, and well just the usability is extensive for the leakproofness.

Description

A kind of Double layer bottle cap

Technical field

This utility model belongs to bottle cap technical field, is specifically related to a kind of Double layer bottle cap.

Background technology

People are not content with this single beverage of a drinking mineral water, more favor in taste richer Richness, kind beverage with a greater variety or electuary.For meeting consumer and be convenient for carrying, safety and sanitation Requirement, market occurs in that some soaking type beverages, such as separate pouch dress milk tea and coffee in succession Coffee, soaking type tea bag etc..But these packaging tearing notch inconvenience, and in brewing process outside easy appearance Spreading phenomenon, the mineral water bottle being particularly unsuitable for bottleneck less brews, therefore is unable to reach in foreign side Just the purpose brewed.Create some intention formula bottle caps now, such as Chinese patent CN A kind of drawing-type double-layer bottle cap of 203652318 U, although simple in construction, but poor sealing, Drawing structure is not fixed simultaneously, is easily caused granule and surprisingly falls in bottle, additionally in draw operation Also there will be residual phenomena.Such as the rotary multifunctional bottle cap of Chinese patent CN 203682146 U, This bottle cap achieves the Liquid liquid Separation of fruit juice and water, but structure complexity is difficult to produce, and can lead Cause a large amount of powder residual, be not suitable for powder and separate with liquid.Although both the above patent exists Achieve the dual-purpose of bottle cap to a certain extent, be convenient for carrying the purpose drunk, but all can exist close Envelope property is bad, the shortcoming of content residual.1. puncture type Double layer bottle cap: have cone at closure inside Thorn, is placed in solid in interlayer equally, has one layer of film separating solid-liquid below, light when needing Screwing bottle cap can puncture thin film and be mixed by solid-liquid, shortcoming: owing in interlayer being bore spine structure, institute Will not be very big with the size in hole punctured, powder will not all under let out in bottle, so can lead Cause has powder to remain in interlayer, causes material remnant, 2. drawing and pulling type solid-liquid separation bottle cap: Only need to pull out the plastic sheet of bottle cap interlayer when needing to mix solid-liquid, the solid on upper strata just can be made to fall Enter in bottle thus reach requirement, shortcoming: the major defect of drawing structure is sealing and safety Problem, is not fixed on bottle cap mainly due to drawing structure, manufacture, transport or Sales process can make drawing structure move due to unexpected vibration or pull, cause granule to fall Enter in bottle, 3. rotary multifunctional bottle cap: this bottle cap achieves the Liquid liquid Separation of fruit juice and water, But structure complexity is difficult to mechanization production, and a large amount of powder can be caused to remain, and is not suitable for powder End separates with liquid.

Utility model content

The purpose of this utility model is to provide a kind of Double layer bottle cap, to solve above-mentioned background technology The problem of middle proposition.

For achieving the above object, this utility model following technical scheme of offer: a kind of Double layer bottle cap, Including upper bottle cover, blade, draw ring, lower bottle cap and aluminium foil barrier film, in described upper bottle cover, it is provided with cutter Sheet, the bottom inside of described upper bottle cover is provided with female thread, and the lower end of described upper bottle cover is provided with draw ring, Described lower bottle cap is located at the lower end of upper bottle cover, and the outer end, middle part of described lower bottle cap is provided with external screw thread, And its bottom inside is provided with female thread, between external screw thread and the female thread of described lower bottle cap, set bonding There is one layer of aluminium foil barrier film.

Preferably, described blade is rectangle wedge angle hard structure.

Preferably, it is threaded connection between described upper bottle cover and lower bottle cap, and draw ring and lower bottle Also by threaded between lid.

Technique effect of the present utility model and advantage: this Double layer bottle cap, have preferable sealing With safety and do not have material residual phenomena, in the powder in bottle cap and bottle can be made Liquid contacts fused more fully, first the design of draw ring structure can effectively protect product by Make blade pierces thin film in unexpected operation, only in use draw ring need to be pulled open and just can revolve Turn upper cover, substantially increase the safety of product itself, secondly, the aluminium foil of adhesion from bottom to top Thin film effectively raises sealing, is that product will not fall due to vibration；Due to aluminium foil meeting Generation is dodged, thus be rotated down an i.e. blade of circle upper cover scratch aluminium foil and cut one week it After, aluminium foil will not depart from bottle cap itself completely, but the powder in bottle cap can be made to fall completely within, Powder so can be made to be fully contacted with liquid and mix, lower bottle cap design screw thread be with commonly The screw thread that mineral water bottle matches, usability is extensive.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model；

In figure: 1, upper bottle cover；2, blade；3, draw ring；4, lower bottle cap and 5, aluminium foil every Film.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, in this utility model embodiment Technical scheme be clearly and completely described, it is clear that described embodiment be only this The a part of embodiment of utility model rather than whole embodiments.Based in this utility model Embodiment, those of ordinary skill in the art are obtained under not making creative work premise Every other embodiment, broadly falls into the scope of this utility model protection.

This utility model provides a kind of Double layer bottle cap as shown in Figure 1, including upper bottle cover 1, Blade 2, draw ring 3, lower bottle cap 4 and aluminium foil barrier film 5, be provided with blade 2 in described upper bottle cover 1, The bottom inside of upper bottle cover 1 is provided with female thread, and the lower end of upper bottle cover 1 is provided with draw ring 3, lower bottle Lid 4 is located at the lower end of upper bottle cover 1, and the outer end, middle part of lower bottle cap 4 is provided with external screw thread, and its end It is provided with female thread inside portion, sets between external screw thread and the female thread of lower bottle cap 4 and be bonded with one layer of aluminum Paper tinsel barrier film 5, blade 2 is rectangle wedge angle hard structure, logical between upper bottle cover 1 and lower bottle cap 4 Cross threaded, and also by threaded between draw ring 3 and lower bottle cap 4, this bottle cap is double Rotating fields, upper bottle cover 1 is used for taking up powder, and lower bottle cap 4 can be connected with mineral water bottle opening, on The outer circle of bottle cap 1 inside top is equipped with a blade 2, is can tearing draw ring bottom upper bottle cover 1 3, the upper bottle cover 1 on draw ring 3 is internal female thread, can be with the outer spiral shell on lower bottle cap 4 top Stricture of vagina mutually screws, and lower bottle cap 4 is except the external screw thread on top, and bottom has can revolve mutually with mineral water bottle Close female thread, the part between external screw thread and female thread have one lid shoulder, be stained with one layer of aluminium foil every Film 5, for intercepting the powder on upper strata and the liquid of lower floor, with draw ring upper bottle cover 1 with under Bottle cap 4 once injection moulding respectively, with blade 2 in upper bottle cover 1, revolves upper lower bottle cap Filling powder after tight, then bonding aluminum foil film 5 from bottom to top, finally wrap up in the outside entirety of bottle cap Wrap one layer of heat-shrinkable film, between aluminium foil barrier film 5 and bottle cap, use adhesion mode, outermost Layer heat shrink films uses thermal contraction form and connects.

Operation principle: the tie rod 3 on tearing type bottle cap when opening, it is not necessary to unnecessary action, rotation Bottle cap, also without change, is continued to be rotated down, the blade 2 of upper bottle cover 1 in the direction turned Scratching the aluminium foil barrier film 5 in lower bottle cap 4, the powder that aluminium foil barrier film 5 originally took up can be from The place of scratching falls, and shakes up and can realize the mixing of powder liquid and dissolve, finally, Double layer bottle cap is overall Add one layer of heat shrink films, it is therefore an objective to prevent from matching with mineral water bottle opening in transport and sales process It is contaminated at the screw thread closed, in order to avoid food-safety problem occurs.

Last it is noted that the foregoing is only preferred embodiment of the present utility model, not For limiting this utility model, although this utility model having been carried out in detail with reference to previous embodiment Explanation, for a person skilled in the art, it still can be to foregoing embodiments institute The technical scheme recorded is modified, or wherein portion of techniques feature is carried out equivalent, All within spirit of the present utility model and principle, any amendment, the equivalent made, change Enter, within should be included in protection domain of the present utility model.

Claims (3)

1. a Double layer bottle cap, including upper bottle cover (1), blade (2), draw ring (3), lower bottle Lid (4) and aluminium foil barrier film (5), it is characterised in that: described upper bottle cover is provided with blade in (1) (2), the bottom inside of described upper bottle cover (1) is provided with female thread, described upper bottle cover (1) Lower end is provided with draw ring (3), and described lower bottle cap (4) is located at the lower end of upper bottle cover (1), described The outer end, middle part of lower bottle cap (4) is provided with external screw thread, and its bottom inside is provided with female thread, institute State to set between external screw thread and the female thread of lower bottle cap (4) and be bonded with one layer of aluminium foil barrier film (5).

A kind of Double layer bottle cap the most according to claim 1, it is characterised in that: described cutter Sheet (2) is rectangle wedge angle hard structure.

A kind of Double layer bottle cap the most according to claim 1, it is characterised in that: on described It is threaded connection between bottle cap (1) and lower bottle cap (4).