CN201670437U

CN201670437U - High-strength integral bottle cap

Info

Publication number: CN201670437U
Application number: CN2010201888328U
Authority: CN
Inventors: 徐荣贵; 王建明; 施炜
Original assignee: SHANGYU ZHONGRUI PLASTIC CO Ltd
Current assignee: SHANGYU ZHONGRUI PLASTIC CO Ltd
Priority date: 2010-05-12
Filing date: 2010-05-12
Publication date: 2010-12-15
Anticipated expiration: 2020-05-12

Abstract

The utility model discloses a high-strength integral bottle cap comprising a cap body, wherein an inner plug is arranged in the cap body, and the bottom edge of the cap body is connected with an anti-fake tear ring circumferentially and continuously distributed. The bottom edge of the cap body is connected with the anti-fake tear ring through a low-strength tear strip. The integral bottle cap has the advantages that the inner plug and the cap body form an integral structure through the adoption of the method of injection moulding, the bonding strength is good, and by buckling the cap body with a bottle mouth, the inner plug can be prevented from being sprung out so that liquid in the bottle can be prevented from leaking; and by connecting the bottom edge of the bottle cap with the anti-fake tear ring surrounding the bottle mouth and continuously and circularly distributed, the bottle cap can be more firmly buckled with the bottle mouth, and the integral bottle cap is shapely and not easy to be deformed.

Description

High-intensity integrated bottle cap

Technical field

The utility model relates to a kind of sealing part of container, relates in particular to a kind of bottle cap.

Background technology

A lot of bottles or similarly container employing cork sealing, cork use plastic packaging stopper and bottleneck portion parcel after inserting bottleneck again, otherwise cork can eject bottleneck because of the pressure effect of bottle interior.And the plastic packaging process can increase operation and cost undoubtedly.

For example Chinese utility model patent 200820057102.7 discloses a kind of anti-fake bottle lid in the prior art, it comprises plug in enclosing cover and inner cap and the bottle neck, enclosing cover is sleeved on the outside of inner cap, and inner cap then is installed on the bottleneck, and the surface, outer ring of bottleneck is provided with inwardly recessed bottleneck groove.The false proof circle of elastic metallic is equipped with in the lower edge of inner cap, the top of false proof circle is the lower surface of enclosing cover, the below of false proof circle is then facing to the bottleneck groove, and the false proof circle of elastic metallic is depressed in the enclosing cover lower surface when opening bottle cap, and false proof circle then breaks away from the inner cap lower edge and is embedded in the bottleneck groove.China's utility model patent 200520110184.3 discloses a kind of ring anti-fake bottle lid that twists off, loam cake, twist off ring, lower cover three parts are formed, wherein twist off ring by ring body be arranged on a pair of elasticity breach on the ring body, a pair ofly twist off point, a pair of annular ratchet that twists off on angle and the ring body inner ring constitutes; Lower cover is made of bottle neck and Nei Sai; Twisting off ring is contained between loam cake and the lower cover.Bottle cap after the assembling is contained on the bottleneck; When turning loam cake with hand, twist off ring under twisting force, twisted off, loam cake is taken down from bottleneck.Although above technology also has interior plug, do not play good sealing effectiveness itself with regard to interior plug, but need cooperate just and bottleneck can be sealed fully with other positions of bottle cap.

A kind of anti-fake bottle lid is also disclosed in the prior art, the edge is connected with false proof tearing ring at the bottom of bottle cap, false proof tearing ring end is provided with one handle, is provided with breach near the handle place on the false proof tearing ring so that gripping handle is torn false proof tearing ring separate with bottle cap easier.But its indentation, there easy deformation is outstanding, merges very infirm with bottleneck buckle.

Summary of the invention

The utility model provides a kind of good sealing effect and has had the bottle cap of anti-fraud functional Nei Sai of having and security element, with bottleneck fasten convenient firmly, intensity is high, plug ejects in can also avoiding, and prevents the interior liquid leakage of bottle, and the bottle cap overall appearance is good, and is visually attractive in appearance.

A kind of high-intensity integrated bottle cap, comprise lid, be provided with interior plug in the described lid, lid and interior plug are plastic material and constitute integrative-structure by hot melt, the edge is connected with false proof tearing ring at the bottom of the described lid, the circumferential continuous distribution of described false proof tearing ring, promptly described false proof tearing ring is around one week of bottleneck continuous distribution, and the banding bottleneck.

At the bottom of the lid along being connected by low intensive tear-strap with false proof tearing ring, described low intensive tear-strap generally be at the bottom of the lid along and false proof tearing ring between the plurality of touch points formation, be convenient to lid at the bottom of the edge separate with the tearing of false proof tearing ring.

When lid constitutes by inner cap is nested with enclosing cover, described false proof tearing ring be with at the bottom of the enclosing cover along being connected.

The utility model adopts the interior plug and the lid of High molecular material, both adopt the method combination of injection mo(u)lding, can make Nei Sai and the fusion of lid contact surface during owing to the High molecular material high-temperature injection, form integrative-structure, anchoring strength is good, and common mechanical package assembly is a this effect of out of reach.

Plug and bottleneck interference fit can reach the leak free purpose in described.

As at the bottom of the preferred described lid along containing, be used for banding bottleneck outer wall, the bottleneck outer wall all has annular lip generally speaking, at the bottom of the lid along containing just can the banding bottleneck, plug is deviate from bottleneck in further preventing.

Plug can be solid column structure in described, and its end that stretches into bottleneck also can adopt hollow structure, so more saving in material.

In plug length and stretch into the ratio of bottleneck portion can be according to the adjustment of leak free requirement of strength.

Described lid can be a single layer structure, also can be to constitute by inner cap is nested with enclosing cover, when constituting by inner cap is nested with enclosing cover described in the plug top insert in the inner cap, and be melt into integrative-structure, at the bottom of this moment enclosing cover along containing banding bottleneck.

In the prior art, when adopting the cork sealing, the cork cost is higher, opening improperly words also has chip and falls into container, the interior plug of the utility model integrated bottle cap and lid adopt the general-duty plastic material, not only reduced cost, can also select different materials according to the character of liquid in the bottle.In the prior art, for the ease of separating false proof circle and bottle cap, on false proof circle indentation, there is set usually, disconnects in indentation, there when tearing off, this indentation, there easy deformation is outstanding, fastens insecure with bottleneck.

The method of the interior plug of the utility model integrated bottle cap and lid employing injection mo(u)lding forms integrative-structure, and anchoring strength is good, and plug ejects in can avoiding by the fastening of lid and bottleneck, prevents a bottle interior liquid leakage; By at the bottom of bottle cap along being connected with the false proof ring of tearing around one week of bottleneck continuous distribution, it is more firm to make that itself and bottleneck interlock, and makes the bottle cap overall appearance, not yielding.

Description of drawings

Fig. 1 is the part sectional view of the utility model integrated bottle cap;

Fig. 2 is the part sectional view of the another kind of embodiment of the utility model integrated bottle cap;

The part sectional view of lid when Fig. 3 adopts the individual layer lid for the utility model integrated bottle cap;

Fig. 4 is the part sectional view of the third embodiment of the utility model integrated bottle cap;

Fig. 5 is the part sectional view of the 4th kind of embodiment of the utility model integrated bottle cap;

The part sectional view of enclosing cover when Fig. 6 adopts double-deck lid for the utility model integrated bottle cap;

The part sectional view of inner cap when Fig. 7 adopts double-deck lid for the utility model integrated bottle cap.

The specific embodiment

Referring to Fig. 1, the high strength integrated bottle cap of the utility model good airproof performance comprises lid 3, plug 2 in being provided with in the lid 3, and interior plug 2 is solid column structure.

Lid 3 and interior plug 2 are plastic material and constitute integrative-structure by hot melt.Generally can adopt non-poisonous, can with the plastics of Food Contact.

3 ends of lid are along being provided with false proof tearing ring 4, the outer wall of false proof tearing ring 4 banding bottlenecks 1 and by low intensive tear-strap and 3 ends of lid along being connected, false proof tearing ring 4 is opened in tearing during unlatching, then lid 3 and Nei Sai 2 is taken out in the lump.False proof tearing ring 4 is looped around bottleneck one week of 1 continuous distribution.

Referring to Fig. 2, interior plug 2 adopts hollow structure, so more saving in material.

Referring to Fig. 3, represented the structure of lid 3, this moment, lid 3 bottoms did not have false proof tearing ring.

Referring to Fig. 4, lid is to constitute by inner cap 6 and enclosing cover 7 are nested, and interior plug 2 tops are inserted in the inner cap 6, and are melt into integrative-structure, and 7 ends of enclosing cover are along being provided with false proof tearing ring 9, false proof tearing ring 9 containing banding bottlenecks 1.For the Joint strenght of plug 2 in further increasing with inner cap 6, inner cap 6 inwalls are provided with positioning convex 8, and interior plug 2 outer walls are provided with positioning groove, and positioning convex 8 just snaps in the positioning groove, and plug 2 is more firm with being connected of inner cap 6 in making.

Among Fig. 4 as seen, interior plug 2 suitable shapes can influence to some extent to leak tightness, interior plug 2 stretches into the head 10 of the terminations of the end in the bottle for expansion, the head 10 that expands is connected by the waist 11 that diameter slightly shrinks with the outer part of bottle, the head 10 that expands is approximate spherical, inwall interference fit with bottleneck, when interior plug 2 enters bottleneck, head 10 can shrink deformation owing to receive the extruding of the inwall of bottleneck, like this diameter omits the deformation that the waist 11 that shrinks has absorbed head 10 just, makes head 10 can enter bottleneck smoothly.

Preferred situation is that the diameter (position of external diameter maximum) of head 10 is 1.05～1.1 times of diameter (position of external diameter minimum) of waist 11.

If waist 11 has caused the inwall interference fit of waist 11 with bottleneck after having absorbed the deformation of head 10, can require great effort very much during unlatching, even cause the damage of bottle cap, in the present embodiment in the diameter of plug 2 heads 10 are 1.08 times of diameter of waist 11.Can guarantee that the inwall that waist 11 has absorbed after the deformation of head 10 still with bottleneck has a little gap, generally can be in 0.3～1 millimeter, be unlikely to during unlatching to require great effort very much and cause the damage of bottle cap.

Referring to Fig. 5, lid is to constitute by inner cap 6 and enclosing cover 7 are nested, and interior plug 2 adopts hollow structure, so more saving in materials.

When interior plug 2 adopts hollow structures, when considering saving in material, the intensity radially of plug 2 in must guaranteeing, guarantee leak tightness with the inwall of bottleneck, the inner chamber 12 of interior plug 2 generally only limits to be positioned at interior plug 2 part of bottle, outer part can influence leak tightness if inner chamber 12 interior plugs 2 are positioned at bottle, inner chamber 12 generally is cylindrical in addition, its diameter is the diameter 1/4～1/2 of the head 10 of interior plug 2, that is to say enough wall thickness that must guarantee head 10, the intensity radially of plug 2 in so just can guaranteeing.

Referring to Fig. 6, represented the false proof tearing ring 9 on enclosing cover 7 and edge, the end thereof.

Referring to Fig. 7, represented inner cap 6, the positioning convex 8 of visible its inwall among the figure.

Claims

1. a high-intensity integrated bottle cap comprises lid, it is characterized in that, be provided with interior plug in the described lid, lid and interior plug are plastic material and constitute integrative-structure by hot melt, and the edge is connected with false proof tearing ring, the circumferential continuous distribution of this false proof tearing ring at the bottom of the described lid.

2. integrated bottle cap as claimed in claim 1 is characterized in that, the top of described false proof tearing ring along by tear-strap with at the bottom of the described lid along being connected.

3. integrated bottle cap as claimed in claim 1 is characterized in that, described tear-strap be at the bottom of the lid along and false proof tearing ring top along between plurality of touch points constitute.

4. as each described integrated bottle cap of claim 1～3, it is characterized in that, at the bottom of the described lid along containing.

5. as each described integrated bottle cap of claim 1～3, it is characterized in that described interior plug is solid column structure or hollow structure.

6. as each described integrated bottle cap of claim 1～3, it is characterized in that described lid is a single layer structure.

7. as each described integrated bottle cap of claim 1～3, it is characterized in that described lid constitutes by inner cap is nested with enclosing cover, described interior plug is arranged in inner cap.

8. integrated bottle cap as claimed in claim 7 is characterized in that, at the bottom of the described enclosing cover along containing.

9. integrated bottle cap as claimed in claim 8 is characterized in that, described false proof tearing ring be with at the bottom of the enclosing cover along being connected.