Two-part suction pipe
Technical field
The present invention relates to a kind of suction tube for beverages more particularly to a kind of two-part suction pipes.
Background technique
Liquid food is widely used such as milk and Yoghourt and semi-liquid food products, such as fruit juice and is packaged in small volume packing
It is sold in container.The packing container is used to protect food through value chain in transmission and treatment process.This packing container
It is formed by the continuous volume of packaging material, the pipe of packaging material is first longitudinally sealed to form, then in the same of filling content
When horizontal sealing shape, and be folded into final liquid beverage packaging, common such as brick packet bores packet.It is drunk in this small volume liquid
The top of material packaging is typically provided with the weak area of a circular hole, and the packaging material number of plies of weak area lacks that thickness is thin, and consumer can make
Weak area is punctured with suction pipe, opening is formed in liquid beverage packaging and is drunk.
It is also growing for the production requirement of suction pipe with the continuous growth that liquid beverage is consumed, it is widely used at present
Plastic suction pipe, since plastic material is difficult to the metabolism that is degraded under field conditions (factors), largely discarded plastic suction pipe is made to environment
At heavy burden.And paper suction pipe is due to the characteristics of production cost is relatively low, green environmental protection degradable, in production by
It is considered as the substitute of plastic suction pipe.
In liquid beverage packaging, suction pipe is pasted onto beverage packaging after usually individually being packed or matches with beverage packaging
Set sale.The limited surface space of small volume liquid beverage packaging, it will usually using two-part suction pipe or Flexible sucker
Mode ensures the use length of suction pipe.Two-part suction pipe generally comprises an outer tube and an inner tube, when use by outer tube and
Inner tube carries out assembly and connection and forms a complete suction pipe.Unlike plastic suction pipe, paper suction pipe is opaque, two-part
Inner tube stretches to that the length in outer tube is invisible, and consumer is difficult to accurately hold two-part suction pipe group when in use when suction pipe assembles
The length of dress and position cause the junction of two-part suction pipe unstable or suction pipe often since installation site is inappropriate
It is not achieved and needs the case where debugging repeatedly using length etc..
Summary of the invention
The purpose of the present invention is to provide a kind of two-part suction pipe for packing container, which can solve in use
Certainly drawbacks described above.
According to an aspect of the invention, there is provided a kind of two-part suction pipe, including outer tube and inner tube, outer tube and inner tube energy
Enough nested encryptions together and relatively move, which is characterized in that there is cue mark in inner tube, under nested condition by inner tube to
Out-draw or inwardly be advanced into cue mark it is concordant with outer duct rim when prompt reach using position.
Preferred embodiment in accordance with the present invention, it is nested after outer tube be located at inner tube top or nesting after outer tube be located at
Below inner tube.
Preferred embodiment in accordance with the present invention, the inner tube length Chong Die with outer tube nesting is inner tube when using position
The 1/5-1/3 of total length.
Preferred embodiment in accordance with the present invention, cue mark are toroid or the endless belt printed on inner pipe, ring
The axis perpendicular in the section and inner tube of shape line or endless belt.
Preferred embodiment in accordance with the present invention, inner tube include upper and lower two parts, and upper and lower two parts have different colours,
Cue mark is upper and lower two-part boundary.
Preferred embodiment in accordance with the present invention, outer tube and inner tube are paper tube.
Preferred embodiment in accordance with the present invention, the internal diameter of outer tube are equal to the outer diameter of inner tube.
Preferred embodiment in accordance with the present invention, outer tube and inner tube are clearance fit or transition fit.
Preferred embodiment in accordance with the present invention, the length of outer tube are less than the length of inner tube.
Preferred embodiment in accordance with the present invention, it is nested after the end of underlying outer tube or inner tube in a state of use
End is tip.
Preferred embodiment in accordance with the present invention, underlying in a state of use after outer tube is nested with inner tube is straight
Pipe, being located above is straight tube or bend pipe.
Preferred embodiment in accordance with the present invention, outer tube and inner tube are being discrete state or nested encryptions before.
Two-part suction pipe proposed by the present invention, optimal use length model when consumer's suction pipe can sufficiently be prompted to use
It encloses, brings more comfortable, convenient and fast consumption experience when in use.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, not
Constitute limitation of the invention.In the accompanying drawings:
Fig. 1 show schematic diagram of the two-part suction pipe of one embodiment of the invention under discrete state.
Fig. 2 show the schematic diagram of the two-part suction pipe in nested encryptions state of one embodiment of the invention.
Fig. 3 show the schematic diagram of the two-part suction pipe in nested encryptions state of another embodiment of the present invention.
Fig. 4 show the schematic diagram of the two-part suction pipe in nested encryptions state of yet another embodiment of the invention.
Fig. 5 show the schematic diagram of the two-part suction pipe in nested encryptions state of further embodiment of this invention.
Appended drawing reference
1- outer tube 2- inner tube 3- cue mark
Specific embodiment
Cooperation diagram and presently preferred embodiments of the present invention below, the present invention is further explained to reach predetermined goal of the invention institute
The technological means taken.
Fig. 1 show the schematic diagram of the two-part suction pipe of one embodiment of the invention.Suction pipe includes outer tube 1 and inner tube 2, Fig. 1
Middle external tube 1 and inner tube 2 are using the preceding state for being in and being separated from each other.The internal diameter d1 of outer tube 1 and the outside diameter d 2 of inner tube 2 are equal, make
Inner tube 2 together with 1 nested encryptions of outer tube and can be adjusted the tubing length after assembling by moving up and down relatively by the used time.
And the outside diameter d 2 of inner tube 2 is theoretically equal or the internal diameter d1 of outer tube 1 is slightly larger than the outside diameter d 2 of inner tube 2 by the internal diameter d1 of outer tube 1, real
In the process of manufacture of border, it can when outer tube and inner tube nested encryptions to be clearance fit or transition fit.It is preferred that outer tube 1
Length is less than the length of inner tube 2, avoids that inner tube 2 is pushed completely into outer tube 1 accidentally and is not easy to take out when assembling.In inner tube 2
With cue mark 3, cue mark 3 is used to prompt to use position when assembling suction pipe, if being in using preceding outer tube 1 and inner tube 2
Discrete state then promotes inner tube 2 into outer tube 1, if being nested in outer tube 1 using preceding inner tube 2, by inner tube 2 from outer tube 1
In stretch out, when inner tube 2 stretch out or be inwardly advanced into cue mark 3 it is concordant with the edge of outer tube 1 when prompt reach suction
Pipe uses position.In view of cue mark 3 has one fixed width, as long as it will be appreciated by those skilled in the art that the side of outer tube 1
Edge is overlapped with 3 any part of cue mark to be accordingly to be regarded as concordantly, including is overlapped with the most upper edge of cue mark 3 or is overlapped with most lower edge
Or in 3 middle part of cue mark.When suction pipe is in using position, inner tube 2 is that inner tube 2 is total with the nested Chong Die length of outer tube 1
The 1/5-1/3 of length can either ensure that outer tube 1 and the connecting portion of inner tube 2 are stablized when suction pipe uses within this range, while
Excessive overlapping is avoided to cause the waste of straw materials.
Cue mark 3 is generally after inner tube 2 completes, using jet printing appts spray printing in inner tube 2.Jet printing appts use
Environment-friendly ink with foodsafety, it is ensured that suction pipe using when will not due to ink dissolve or migrate lead to food pollution.Fig. 1
In cue mark 3 be toroid of the spray printing in inner tube 2, the axis perpendicular in toroidal section and inner tube 2.It can also incite somebody to action
Two parts up and down of inner tube 2 distinguish the two different colors of spray printing, using upper and lower two different colors of boundary as indicateing arm
Note 3;Or two different colors of paper is respectively adopted in two parts up and down of inner tube 2 and is made, by two kinds of different colours paper
Boundary as cue mark 3;Or cue mark 3 is designed toShape, " > " shape, " → " shape, " END " word
Symbol, " 543210 " count down etc. it is various can visual cues near the sign format for suitably using position.Those skilled in the art
It is understood that technical solution of the present invention is not limited to that cue mark 3 is arranged after inner tube 2 completes, it can also be in production
Cue mark 3 is set before even making when pipe 2.In addition, technical solution of the present invention is not limited to set in a manner of printing or spray printing
Cue mark 3 is set, can also be set with various ways such as attaching, heat-sensitive variable colour, photosensitive colour-changing, pressure-sensitive discoloration, wet sensitive colour changings
It sets.
Fig. 2 show the schematic diagram of the two-part suction pipe in nested encryptions state of one embodiment of the invention.Inner tube 2 in Fig. 2
It links together with outer tube 1 using preceding be nested, when use stretches out inner tube 2 from outer tube 1, until indicateing arm
Note 3 occurs from outer tube 1, and consumer is prompted to have reached until using position.Outer tube 1 occupies after suction pipe assembling in the embodiment of Fig. 2
In lower section, inner tube 2 is above, and lower section refers to that the part that suction pipe is directly protruding into when in use in packing container, top refer to
The part of beverage is directly contacted with consumer and is used to draw when suction pipe use.The end of outer tube 1 is tip, can be used for puncturing packet
The weak area sealed on packaging container forms opening.
Fig. 3 show the schematic diagram of the two-part suction pipe in nested encryptions state of another embodiment of the present invention.Inner tube in Fig. 3
2 and outer tube 1 link together using preceding be nested, when use, promotes inner tube 2 into outer tube 1, until cue mark 3
It is concordant or is overlapped with the edge of 1 connecting pin of outer tube, it prompts consumer's suction pipe to assemble and has reached until using position.In Fig. 2
Two-part suction pipe it is different be a bit, the cue mark 3 in Fig. 3 in inner tube 2 be endless belt, the width of endless belt is preferably 2-
5mm.Compared with toroid, it is also easier to operate using endless belt as cue mark 3 is more eye-catching.It is different from Fig. 2 in addition a bit
It is that after the two-part suction pipe in Fig. 3 is completed, outer tube 1 is above, and inner tube 2 is below, lower section refers to that suction pipe is using
When be directly protruding into part in packing container, top, which refers to when suction pipe use, directly to be contacted with consumer and for drawing beverage
Part.The end of inner tube 2 is tip, punctures the weak area in sealed package when drinking with the end of inner tube 2 and forms opening.
Fig. 4 show the schematic diagram of the two-part suction pipe in nested encryptions state of yet another embodiment of the invention.With Fig. 2 phase
Than it is straight tube that suction pipe, which is completed rear underlying outer tube 1, in Fig. 4, and the inner tube 2 being located above is bend pipe.Bend pipe can lead to
It crosses near suction pipe suction end and suppresses several embossing or dent, embossed according to needing the curved radian of suction pipe to be arranged when using
The density at interval and the width of embossing enable suction pipe when using appropriately curved.
Fig. 5 show the schematic diagram of the two-part suction pipe in nested encryptions state of further embodiment of this invention.In Fig. 5, inhale
It is straight tube that pipe, which is completed rear underlying inner tube 2, and the outer tube 1 being located above is bend pipe.Two-part suction pipe in the present invention
Outer tube 1 and inner tube 2 be paper tube, paper sheet thickness used by paper tube is 0.05-0.45mm.Outer tube 1 and inner tube 2 are used paper
Matter item or papery band is with spiral winding and overlapping mode forms, or by rolling of paper at bonding forming after tubulose, paper tube is logical
It is often made of 3-6 layers of paper, paper tube thickness after molding is generally between 0.15-2.7mm.The end of paper tube is either flat
Head, is also possible to tip, and the tip of paper tube end can be by chamferring the skewed point once formed to paper tube end
The angle of head, or two opposite tips that beveling is formed twice, scarf and paper tube axis is 30 ° -45 °;It can be with
The band saw dentation with multiple tips is processed into paper tube end, tip number is 3-6.
Two-part suction pipe of the invention is packed especially suitable for liquid beverage, and but the invention is not restricted to this, and the present invention is same
When be also applied for other paper bases packaging product, such as food, medicine aspect product.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection scope of invention.