CN102514823A

CN102514823A - Bag-in-barrel and charging and discharging method thereof

Info

Publication number: CN102514823A
Application number: CN2011103748082A
Authority: CN
Inventors: 毛现玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-23
Filing date: 2011-11-23
Publication date: 2012-06-27

Abstract

The invention relates to a bag-in-barrel and a charging and discharging method thereof. The bag-in-barrel comprises an inner bag and an outer barrel, a bag mouth is arranged on the opening portion of the inner bag, the bag mouth comprises a mouth barrel body and a flange arranged at the outer end of the mouth barrel body, air holes communicated with the inner portion of the outer barrel are arranged on the flange, and a barrel cover is assembled on a barrel mouth of the outer barrel. The bag mouth is added in the bag-in-barrel, and the air holes are arranged on the bag mouth, so that the air enters a space between the inner bag and the outer barrel from the air holes to form an air passage. The structure of the outer barrel is intact, and the previous strength is ensured. The charging method of the bag-in-barrel is to fold the inner bag and directly insert the inner bag into the outer barrel. The bag mouth of the inner bag is filled in the barrel mouth of the outer barrel, and then charging is performed. After the charging, a bag cover is covered, and the barrel cover is screwed on. The discharging method of the bag-in-barrel is that: sequentially opening the barrel cover and the bag cover, installing a valve in the bag mouth, reversing the bag-in-barrel, and leading the air to enter the space between the inner bag and the outer barrel from the air holes of the bag mouth, so that discharging of liquid is achieved through pressure of the air and self weight of the liquid in the inner bag.

Description

Bag and can and discharge method in the bucket

Technical field

The present invention relates to the packing container of liquid, be specially in the bucket bag, and the method for bag filling liquid and discharge liquid in this bucket.

Background technology

Bag in the bucket, a kind of novel package form as pure water, grape wine, fruit drink, edible wet goods liquid has obtained application more and more widely.Bag comprises inner bag and outer bucket in the bucket, and inner bag is processed by soft materials such as plastic sheetings, and outer bucket is meant the sealing bucket of the band oral area of the hard of processing with various metallic materials or non-metallic material.The direct packing liquid of inner bag, disposable use; Outer bucket provides rigidity to be beneficial to transportation and storage as the external packing of inner bag, and is reusable.

A kind of typical application of bag is a drummed pure water in the bucket, and the bucket with soft inner bag of prior art is wrapped in after the oral area of soft inner bag turns up on the bung and also uses the bung component package, is provided with air extractor vent in the bottom of bucket.During use, utilize the pressure that gets into the air the bucket from air extractor vent, water is flowed out from inner bag.Open pore at the bottom of its barrel, destroyed the structure of bucket, reduced the intensity of bucket, and dust can not prevent dust in air extractor vent entering bucket.

Summary of the invention

To the problems referred to above, the invention provides bag in the bucket, the outer barrel structure of bag is complete in this barrel, intensity is high.The present invention also provides the can and the discharge method of bag in this bucket.

Bag in the bucket; Its technical scheme is such: it comprises inner bag and outer bucket, and it is characterized in that: the oral area of said inner bag is provided with the marsupial mouth, and said bag mouth comprises the mouth cylindrical shell and is arranged on the flange of said mouth cylindrical shell outer end; Said mouth cylindrical shell is assemblied in the bung of said outer bucket; Said flange is resisted against the bung of said outer bucket, and said flange is provided with and the inner pore that communicates of said outer bucket, is equipped with bung on the bung of said outer bucket.

It is further characterized in that: the cross-sectional plane of said mouth cylindrical shell is a fusiformis; The most advanced and sophisticated place of the fusiformis of said mouth cylindrical shell is provided with axially extended raised line; Be equipped with pkt. flap on the flange of said bag mouth; Said pkt. flap is provided with registration mast, and the flange of said bag mouth is provided with the knock hole that matches with said registration mast; The outer face of said bag mouth flange is provided with groove, and said pore and said knock hole are positioned on the said groove, and said pkt. flap matches with said groove; The outer face of said bag mouth flange is provided with the recess that communicates with said groove; Said pore has one at least, and said knock hole has one at least, and the center of circle of said pore and said knock hole is positioned on the same circumference.

The packaging process of bag in the bucket; It is characterized in that: the inner bag of bag in the said bucket is directly filled in the said outer bucket after folding, the bag mouth of said inner bag is packed in the bung of said outer bucket, then the said inner bag of can; Can finishes pkt. flap on the bonnet, and then the bung of screwing on.

The discharge method of bag in the bucket; It is characterized in that: open said bung and said pkt. flap successively; In said bag mouth, load onto valve; Bag in the said bucket is inverted, air from the pore of said bag mouth get into said inner bag with said outer barrel between, the discharging of the self gravitation realization liquid of liquid in pressure through air and the said inner bag.

The present invention has set up a bag mouth, and pore opened on the bag mouth, and air forms the gas passage that is connected with the external world between pore gets into inner bag and outer bucket, need not offer air extractor vent on barrel outward, and structural integrity also keeps its original intensity; Inner bag is mixed the sanitation and hygiene that pkt. flap keeps liquid in the inner bag; Pkt. flap is installed through registration mast, and is easy to assembly.

Description of drawings

Fig. 1 is the perspective view of bag in the bucket of the present invention;

Fig. 2 is the cutaway view of Fig. 1;

Fig. 3 is the enlarged drawing of the bag mouth portion among Fig. 2;

Fig. 4 is the perspective view of the bag mouth among the present invention;

Fig. 5 is the perspective view of another angle of the bag mouth among the present invention;

Fig. 6 is the perspective view of the pkt. flap among the present invention.

The specific embodiment

Like Fig. 1～shown in Figure 3; The present invention be a kind of be used for packing liquid the bucket in the bag; Comprise inner bag 7 and outer bucket 1; Inner bag 7 is processed by soft materials such as plastic sheetings, and outer bucket 1 is the sealing bucket of the bung 2 of the hard processed with various metallic materials or non-metallic material, and outer barrel 1 top also is provided with handle 6.Improvements of the present invention are that the oral area at inner bag 7 is provided with marsupial mouth 3, and inner bag 7 is that the method through heat-sealing is fixed on bag mouth 3.Bag mouth 3 comprises mouth cylindrical shell 8 and is arranged on the flange 11 of mouth cylindrical shell 8 outer ends; Mouth cylindrical shell 8 is assemblied in the bung 2 of outer bucket 1; Flange 11 is resisted against on the bung 2 of outer bucket 1, and flange 11 is provided with the pore 13 that communicates with outer bucket 1 inside, is equipped with bung 5 on the bung 2 of outer bucket 1.The present invention has set up a bag mouth 3, and pore 13 opened on bag mouth 3, and air forms the gas passage that is connected with the external world between pore 13 gets into inner bags 7 and outer bucket 1, need not to offer air extractor vent on barrel 1 outward, and structural integrity also keeps its original intensity.

Like Fig. 4, Fig. 5, shown in Figure 6, the cross-sectional plane of bag mouth 3 mouth cylindrical shells 8 is a fusiformis.Most advanced and sophisticated 9 places of the fusiformis of mouth cylindrical shell 8 are provided with axially extended raised line 15.Raised line 15 has two, and its effect is bung 2 places that bag mouth 3 are clamped on outer bucket 1.

Referring to Fig. 1, be equipped with pkt. flap 4 on the flange 11 of bag mouth 3 again.The purpose that inner bag 7 is mixed pkt. flap 4 is the sanitation and hygiene that keep liquid in the inner bag 7.As shown in Figure 6, pkt. flap 4 is provided with a registration mast 16.See Fig. 4, the flange 11 of bag mouth 3 is provided with the knock hole 10 that matches with registration mast 16.Pkt. flap 4 is installed through registration mast 16, and is easy to assembly.

Can also be provided with groove 12 on the outer face of bag mouth 3 flanges 11, pore 13 and knock hole 10 are arranged on the bottom land of groove 12, pkt. flap 4 matches with groove 12 and embeds in the groove 12.Can also be provided with the recess 14 that communicates with groove 12 on the outer face of bag mouth 3 flanges 11, recess 14 is provided with 2, and its effect is for being easy to open pkt. flap 4.Pore 13 has one at least, and knock hole 10 has one at least, and pore 13 has 14 in the present embodiment, and knock hole 10 is configured to 2.Pore 13 preferably is positioned on the same circumference with the center of circle of knock hole 10.

The packaging process of bag is following in the bucket of the present invention: the inner bag of bag in the bucket 7 is directly filled in the outer bucket 1 after folding, the bag mouth 3 of inner bag 7 is packed in the bung 2 of outer bucket 1, and then can inner bag 7, can finishes pkt. flap 4 on the bonnet, and then the bung 5 of screwing on.

The discharge method of bag is following in the bucket of the present invention: open bung 5 and pkt. flap 4 successively; In bag mouth 3, load onto valve; Bag in the bucket is inverted, air between the pore 13 of bag mouth 3 gets into inner bags 7 and outer bucket 1, the discharging of the pressure through air and the self gravitation realization liquid of inner bag 7 interior liquid.

Claims

The bucket in the bag; Comprise inner bag and outer bucket, it is characterized in that: the oral area of said inner bag is provided with the marsupial mouth, and said bag mouth comprises the mouth cylindrical shell and is arranged on the flange of said mouth cylindrical shell outer end; Said mouth cylindrical shell is assemblied in the bung of said outer bucket; Said flange is resisted against the bung of said outer bucket, and said flange is provided with and the inner pore that communicates of said outer bucket, is equipped with bung on the bung of said outer bucket.
2. bag in the bucket according to claim 1, it is characterized in that: the cross-sectional plane of said mouth cylindrical shell is a fusiformis.
3. bag in the bucket according to claim 2 is characterized in that: the most advanced and sophisticated place of the fusiformis of said mouth cylindrical shell is provided with axially extended raised line.
4. bag in the bucket according to claim 2 is characterized in that: be equipped with pkt. flap on the flange of said bag mouth.
5. bag in the bucket according to claim 4, it is characterized in that: said pkt. flap is provided with registration mast, and the flange of said bag mouth is provided with the knock hole that matches with said registration mast.
6. bag in the bucket according to claim 5 is characterized in that: the outer face of said bag mouth flange is provided with groove, and said pore and said knock hole are positioned on the said groove, and said pkt. flap matches with said groove.
7. bag in the bucket according to claim 6 is characterized in that: the outer face of said bag mouth flange is provided with the recess that communicates with said groove.
8. bag in the bucket according to claim 6, it is characterized in that: said pore has one at least, and said knock hole has one at least, and the center of circle of said pore and said knock hole is positioned on the same circumference.
The bucket in the bag packaging process; It is characterized in that: the inner bag of bag in the said bucket is directly filled in the said outer bucket after folding, the bag mouth of said inner bag is packed in the bung of said outer bucket, then the said inner bag of can; Can finishes pkt. flap on the bonnet, and then the bung of screwing on.
The bucket in the bag discharge method; It is characterized in that: open said bung and said pkt. flap successively; In said bag mouth, load onto valve; Bag in the said bucket is inverted, air from the pore of said bag mouth get into said inner bag with said outer barrel between, the discharging of the self gravitation realization liquid of liquid in pressure through air and the said inner bag.