CN2628445Y

CN2628445Y - Cover body

Info

Publication number: CN2628445Y
Application number: CN 03264113
Authority: CN
Inventors: 江仙观
Original assignee: XINQUAN INDUSTRY Co Ltd
Current assignee: XINQUAN INDUSTRY Co Ltd
Priority date: 2003-05-30
Filing date: 2003-05-30
Publication date: 2004-07-28
Anticipated expiration: 2013-05-30

Abstract

The utility model provides a lid body, which can be screwed on the bottle mouth of a container. The utility model contains a lid body with a top body and a ring part which is looped in the top body; an anti-seep ring extending downwards form the inside of the top body for screwing the lid down to the inner edge of the bottle mouth tightly; a plurality of supporting pieces, which are formed between the anti-seep ring and the inner face of the lid to support the anti-seep ring when the lid is screwed, and to make the anti-seep ring pressed down to the inner edge of the bottle mouth; a press ring, which is arranged between the anti-seep ring and the ring part and extends downwards from the inner face of the top body to press the lid down to the outer edge of the bottle mouth when the lid is screwed, and at least a pressing down anti-leak ring which is arranged between the anti-seep ring and the press ring and extrudes downwards from the inner face of the top body to press the lid down to the top of the bottle mouth when screwing the lid. The structure formed by the anti-seep ring, the press ring and the pressing down anti-leak ring can make the top body and the bottle mouth reach the close effect of multi faces to faces.

Description

Lid

Technical field

The utility model is about a kind of lid, and particularly about the lid on a kind of bottleneck that is used for plastic container, for example spiral cover is such as the lid on PET (the poly terephthalic acid second fat) bottle.

Background technology

The plastic container of making of PET have in light weight, sturdy and durable and heat-resisting good advantage, and the PET bottle is material such as instead of glass, metal now, becomes product-filled packing containers such as commercially available fruit juice, carbonated drink, milk, teas and lactic acid.Yet, suitable because of the internal diameter of the bottleneck air spots of the plastic container of PET bottle etc., or because of crystallization not exclusively produces indent and crystallization, can not make the control of container finish internal diameter size good enough and deviation is big sometimes.

In order to ensure container finish sealing, prevent the liquid in the bottle or the slot of gas between bottle cap and bottleneck spills or bottle outside gas enter the generation of situations such as container finish from this slot, must make bottle cap hermetically spiral cover on container finish.Yet,, thereby cause liquid in the container rotten or spill because existing on the market bottle cap lid there is no leakage-proof structure at present.

The inventor addressed the above problem the lid that has designed tool leakage-proof structure bottle cap, proposed novel patent application on February 17th, 2003, and application case number is No. 092202451.This lid 10 promptly as shown in Figure 5, be that cap 101 inner faces at lid 10 are provided with

cutoff collar

30, and 102 of the ring portions of this cutoff collar 30 and this lid 10 form urgent ring 50, and between this cutoff collar 30 and urgent ring 50, be equipped with downwards and press down leakproof circle 70, with when these lid 10 spiral covers are on the bottleneck of this container 100, oppress outer rim, inner edge and the top of container finish 100 respectively.

Though just this lid 10 be under pressure at container, variation of ambient temperature or when acutely rocking, has certain leak preventing effect, but it is not good enough and deviation is big for the control of container finish 100 internal diameter sizes, plastic container such as the crystalline PET bottle, the cutoff collar 30 of dentation can't in response to air spots along or have the internal diameter of the bottleneck of indent and crystallization, cause sealing effectiveness not good.

Simultaneously, in case drop in temperature (for example spiral cover is placed in cold store, the refrigerator), then this dentation cutoff collar 30 can shrink at low temperatures, this moment, this dentation cutoff collar 30 more can't seal irregular internal diameter of the bottleneck, this not only can destroy the vacuum state in the container, therefore more can make this lid 30 can't tighten bottleneck 100, cause liquid in the container rotten or spill.

As mentioned above, though the lid that should have bottle cap now can reach the sealing effectiveness of certain degree in design, but for using for the plastic container of crystalline PET bottle, also exist and demand improved shortcoming urgently, therefore how effectively the above-mentioned disappearance of solution and develop a kind of can with the urgent applying of bottleneck such as the plastic container of crystalline PET bottle, reaching the lid of sealing leak-stopping, is the problem that needs discussion.

The utility model content

For overcoming the shortcoming of above-mentioned prior art, but main purpose of the present utility model is to provide a kind of lid, can with the urgent applying of plastic container bottleneck such as the crystalline PET bottle, reach the effect of sealing leak-stopping.

Another purpose of the present utility model is for providing a kind of lid, even can safety link fracture before the leakage container inner vacuum.

For achieving the above object and other purpose, lid of the present utility model be spiral cover on container finish, comprising: a lid has a cap and one and the ring portion of this cap articulating; One cutoff collar, the extension that faces down in this cap certainly, with on the bottleneck of this lid spiral cover at this container the time, urgent to this bottleneck inner edge; A plurality of strut members are formed between the cap inner face of this cutoff collar and this lid, with on the bottleneck of this lid spiral cover at this container the time, make this cutoff collar urgent to this bottleneck inner edge; One urgent ring is located between the ring portion of this cutoff collar and this lid, and the extension that faces down in this cap certainly is with on the bottleneck of this lid spiral cover at this container the time, urgent to this bottleneck outer rim; And at least one leakproof circle that presses down, be located between this cutoff collar and this urgent ring, it is outstanding to face down in this cap certainly, to oppress this bottleneck top in time on the bottleneck of this lid spiral cover at this container.

This cutoff collar has the antiseepage portion that forms towards the surface of this bottleneck inner edge, on the bottleneck of this lid spiral cover at this container the time, this strut member can fill part this cutoff collar of support, makes the internal diameter of the bottleneck surface driving fit of this antiseepage portion and irregularity or tool indent and crystallization, reaches the purpose of leak-stopping.When this lid of turn-knob, when this Cover opening is broken away from container finish, make this strut member form support, before not leaking this internal tank vacuum as yet, even this safety link ruptures and stays the container bottle neck lower end at this cutoff collar and this cap inner face.

Therefore, compared with the prior art, but the lid of the present utility model not only urgent pressure of using integral spiral cover power and bottleneck outer rim comes the airtight container bottleneck, and by the urgent pressure of bottleneck outer rim and then provide lid of the present utility model and the urgent pressure of bottleneck inner edge and end face, more can fill part its cutoff collar of support by right bottleneck inner edge, the strength of multiple urgent sealing bottleneck outer rim, bottleneck inner edge and bottleneck end face is provided, reaches the effect of sealed against leakage.

Description of drawings

Fig. 1 is the structure cutaway view of the utility model embodiment;

Fig. 2 is the upward view of the utility model embodiment;

Fig. 3 illustrates the schematic sectional view of the hypothesis state before embodiment of the present utility model this lid when locking closure is not out of shape;

Fig. 4 is explanation the utility model embodiment structure cutaway view after this lid distortion when locking closure; And

Fig. 5 is existing lid cutaway view.

The specific embodiment

Embodiment

Fig. 1 to Fig. 4 is the accompanying drawing of drawing according to embodiment of the present utility model, as shown in the figure, lid of the present utility model be in order to spiral cover on the bottleneck of vessel 100, this lid comprises lid 1, cutoff collar 3, a plurality of strut member 5, urgent ring 7 and presses down leakproof circle 9.

Embodiment of the present utility model is to be the example explanation so that plastic container through the beverage products of high temperature sterilization to be housed in being installed in, crystalline PET bottle for example, because existing container such as the crystalline PET bottle all is an applicable object, its structure does not change, so for simplifying and making feature of the present utility model and structure more clear understandable, only demonstrate the structure that directly correlates with the utility model in the container in the accompanying drawings, all the other partly then slightly remove.

As shown in Figure 1, this lid 1 have a cap 11 and with the ring portion 13 of these cap 11 articulatings, this ring portion 13 is the separable safety links 21 that are equipped with freely, this safety link 21 possesses many card uppermost leaf sheets (figure is mark not), the safety link 21 of this lid 1 only can block really at the bottleneck of this bottleneck 100 in spiral cover season, allows the user can recognize whether opened mistake of this lid 1.

This cutoff collar 3 is that the cap 11 from this lid 1 extends downwards, and is with when this lid 1 spiral cover is on the bottleneck of this container 100, urgent to these bottleneck 100 inner edges.This cutoff collar 3 is provided with antiseepage portion 31 towards the surface of these bottleneck 100 inner edges, as shown in Figure 1, be in ring portion 13 (i.e. these bottleneck 100 inboard places) in the present embodiment near this lid 1, be provided with the antiseepage portion 31 of protruding towards this ring portion 13, when these bottleneck 100 these lids 1 of spiral cover, this cutoff collar 3 can be pressed the inner edge of these bottleneck 100 indents by these antiseepage portion 31 locks, and the sealing surface of these bottleneck 100 inner edges of locking is provided whereby.

Though be the example explanation with the cutoff collar 3 that forms semicircle antiseepage portion 31 in the present embodiment, this antiseepage portion 31 also can be the structure such as oval or other tool same effect, do not exceed with shown in the present embodiment, as long as can in response to air spots along or have an internal diameter of the bottleneck of indent and crystallization, in addition the leak free structure all can.

As shown in Figures 1 and 2, this strut member 5 is formed between this cutoff collar 3 and this cap 11 inner faces, this strut member 5 is the rib shape and equidistantly to separate each other, can be on the bottleneck 100 of this lid 1 spiral cover at this container the time, this strut member 5 can fill part antiseepage portion 31 of this cutoff collar 3 of compressing towards the ring portion 13 (i.e. these bottleneck 100 inboard places) of this lid 1, reach with bottleneck 100 inside diameter surfaces that make this antiseepage portion 3 and irregularity or tool indent and crystallization and to fit tightly, behind spiral cover, press this antiseepage portion 31 to this bottleneck inner edge.Wherein,, be noted that this strut member 5 also can be other equivalent structure, and its quantity, distance be set and size is also non-exceeds with shown in the present embodiment, can changed or revise though be the example explanation with the strut member 5 of rib-like structure in the present embodiment.

This urgent ring 7 is provided in a side of between this cutoff collar 3 and this lid 1 ring portion 13, and the extension that faces down in this cap 11 certainly, with when this lid 1 spiral cover is on the bottleneck of this container 100, is urged to this bottleneck 100 outer rims.As shown in the figure, this urgent ring 7 is to be tapered downwards and at the extended structure away from the downward convergent of side of the ring portion 13 of this lid 1 from this lid 1 cap 11, whereby when these bottleneck 100 these lids 1 of spiral cover, be subjected to spiral cover power and side direction is moving partially, and limit this urgent ring 7 with this and be subjected to the spiral cover masterpiece time spent, only can be moving partially towards ring portion 13 side direction of lid 1, the sealing surface of these bottleneck 100 outer rims of locking is provided whereby.Wherein, though in the present embodiment order with the downward convergent of a side of this urgent ring 7, yet be not to limit to the utility model with this, this urgent ring 7 also can be other equivalent structure, produces as long as can make this urgent ring 7 be subjected to spiral cover power that side direction moves partially.

This presses down leakproof circle 9 is to be located between this cutoff collar 3 and the urgent ring 7 and this cap 11 is outstanding certainly downwards, with when this lid 1 spiral cover is on the bottleneck of this container 100, oppresses this bottleneck 100 tops.As shown in the figure, this presses down leakproof circle 9 is the caps 11 from lid 1, the bulge loop structure of the downward semicircle section of giving prominence to, when this lid 1 spiral cover is locked this bottleneck 100, this can be pressed down leakproof circle 9 be urged to this bottleneck 100 the top and with its locking, make this press down the position of compeling to connect between leakproof circle 9 and this bottleneck 100 tops whereby, the contact relation of formation face and face, lift-off seal effect.

Though the leakproof circle 9 that presses down in the present embodiment is the example explanation with the bulge loop structure of semicircle section, yet this presses down leakproof circle 9 is not as limit, this presses down leakproof circle 9 also can be other equivalent structure, as long as can make this press down leakproof circle 9 is subjected to spiral cover power and locks this bottleneck 100 tops, make this press down the position of compeling to connect between leakproof circle 9 and this bottleneck 100 tops whereby, formation face gets final product shown in its quantity is not limit in the present embodiment yet with the contact relation of face.

When Fig. 3 shows the hypothesis locking closure, partial schematic diagram before this lid 1 is not out of shape, state when Fig. 4 then illustrates locking closure after this lid 1 distortion, wherein, for the locking closure that specifies this lid 1 changes, omitted this safety link 9 partly, only just partly explained with the direct leakage-proof structure that correlates of the utility model.

As shown in the figure, this cutoff collar 3 is with the inner edge generation flush fit of its antiseepage portion 31 with these bottleneck 100 indents, this strut member 5 can fill part this cutoff collar 3 of support, make its antiseepage portion 31 compel to connect towards these these bottleneck 100 inboard places, this urgent ring 7 can be in these bottleneck 100 back distortion of contact, it is moving partially to produce side direction, and this presses down 9 on leakproof circle and props up the top of this bottleneck 100 and seal.

Shown in the broken circle that amplifies this lid 1 upper left corner among Fig. 4, when spiral cover is locked at this lid 1 of this bottleneck 100, this cutoff collar 3 is subjected in the coupling mechanism force of this lid 1 of spiral cover, move towards direction away from this lid 1 ring portion 13, lock the indent inside diameter surface that is pressed in this bottleneck 100 by its antiseepage portion 31, reach leakproof seal effect closely.At this moment, this strut member 5 that is the rib shape supports in this cutoff collar 3 and the cap 11 inner faces formation of this lid 1, force the antiseepage portion 31 of this cutoff collar 3 to compel to connect, make this antiseepage portion 3 reach tight pressing with bottleneck 100 inside diameter surfaces of indent towards the ring portion 13 (i.e. these bottleneck 100 inboard places) of this lid 1.

Simultaneously, this presses down leakproof circle 9 and also is subjected in the coupling mechanism force of this lid 1 of spiral cover, and compressing is at the top of this bottleneck 100, and this 7 on urgent ring is subjected to this coupling mechanism force moving partially towards side direction, at this lid 1 spiral cover behind this bottleneck 100, urgent to this bottleneck 100 to seal this bottleneck 100 outer rims.In addition, urgent this cutoff collar 3 is subjected to the strength of these urgent ring 7 urgent these bottlenecks 100 when these bottleneck 100 outer rims at this urgent ring 7, and then more urgent lock is pressed the inner edge of this bottleneck 100, makes this press down leakproof circle 9 and can lock really and press these bottleneck 100 tops.Thus, just formed the effect of multiple urgent driving fit.

When spiral cover is locked this lid 1, it is stressed that this cutoff collar 3, this urgent ring 7 and this press down leakproof circle 9, contact with these bottleneck 100 formation faces, and this strut member 5 can fill part this cutoff collar 3 of support, keeping the urgent driving fit on this cutoff collar 3 and this internal diameter of the bottleneck surface, thereby can not cause gap wherein.And even when drop in temperature or refrigeration, when making the contraction that bottleneck 100 and this lid 1 be, this cutoff collar 3, this strut member 5, this urgent ring 7 and this press down leakproof circle 9 still can this bottleneck 100 of urgent sealing.

In addition, when turn-knob lid 1 of the present utility model, this lid 1 can be along with Power of Spin upwardly opens, because this strut member 5 supports in this cutoff collar 3 and the cap 11 inner faces formation of this lid 1, therefore before making this lid 1 break away from bottleneck 100, this safety link 21 can be separated with the ring portion 13 of this lid 1.In other words, when the lid opened such as the plastic container of crystalline PET bottle, before not leaking this internal tank vacuum as yet, can make this safety link 21 fractures.

Therefore, but lid using integral spiral cover power airtight container bottleneck of the present utility model, generation At this container finish of simultaneously urgent sealing of urgent pressure of this bottleneck outer rim, can be by the bottleneck outer rim Urgent pressure and then the urgent pressure of this bottleneck inner edge of tight lock and end face is provided, and by at bottle The mouth inner edge fills part its cutoff collar of support, reaches the effect of multiple urgent driving fit, thereby can be to carry For a kind of can with such as the internal diameter of the bottleneck uneven surface such as crystalline PET bottle or tool indent and crystallization The urgent applying of the bottleneck of plastic containers, even and can be before the leakage container inner vacuum safety The sealing leakage-proof effect between face and the face is reached in the ring fracture.

Claims

1. lid, but spiral cover is characterized in that on the bottleneck of container this lid comprises:

One lid has a cap and one and the ring portion of this cap articulating;

One cutoff collar, the extension that faces down in this cap certainly, with on the bottleneck of this lid spiral cover at this container the time, urgent to this bottleneck inner edge;

A plurality of strut members are formed between this cutoff collar and this cap inner face, with on the bottleneck of this lid spiral cover at this container the time, make this cutoff collar urgent to this bottleneck inner edge;

One urgent ring is located between the ring portion of this cutoff collar and this lid, and the extension that faces down in this cap certainly is with on the bottleneck of this lid spiral cover at this container the time, urgent to this bottleneck outer rim;

At least one leakproof circle that presses down is located between this cutoff collar and this urgent ring, and it is outstanding to face down in this cap certainly, with on the bottleneck of this lid spiral cover at this container the time, oppresses this bottleneck top.

2. lid as claimed in claim 1 is characterized in that, also separable the connecing freely of this lid established a safety link.

3. lid as claimed in claim 2 is characterized in that, this safety link is to connect the ring portion that is located at this lid.

4. lid as claimed in claim 2 is characterized in that, this safety link possesses many card uppermost leaf sheets, can block really only at this bottleneck bottleneck at spiral cover this safety link in season.

5. lid as claimed in claim 1 is characterized in that, this cutoff collar is formed with the antiseepage portion of semicircular in shape structure.

6. lid as claimed in claim 1 is characterized in that, this strut member is the structure that is the rib shape, can be on the bottleneck of this lid spiral cover at this container the time, and fill and part support this antiseepage portion and compel to connect towards the ring portion place of this lid.

7. lid as claimed in claim 1 is characterized in that, this strut member is the structure that is the rib shape, can be on the bottleneck of this lid spiral cover at this container the time, and fill and part support this antiseepage portion and compel to connect towards the inboard place of this bottleneck.

8. lid as claimed in claim 1 is characterized in that this strut member is equidistantly to separate each other.

9. lid as claimed in claim 1 is characterized in that, this urgent ring is to extend, be tapered structure downwards from this cap, and can hard to bear spiral cover power produce the moving partially of side direction.

10. lid as claimed in claim 1 is characterized in that, this presses down the bulge loop structure that the leakproof circle is semicircle section, makes this press down the contact relation that the position of compeling to connect between leakproof circle and this bottleneck top forms face and face, lift-off seal effect whereby.