CN216916908U - Double-valve large-capacity liquid packaging bag - Google Patents
Double-valve large-capacity liquid packaging bag Download PDFInfo
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- CN216916908U CN216916908U CN202123309704.1U CN202123309704U CN216916908U CN 216916908 U CN216916908 U CN 216916908U CN 202123309704 U CN202123309704 U CN 202123309704U CN 216916908 U CN216916908 U CN 216916908U
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- film
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- plastic film
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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Abstract
The utility model relates to a double-valve large-capacity liquid packaging bag which comprises an upper-layer plastic film, a lower-layer plastic film, a feeding valve and a discharging valve with a film sealing device and a film puncturing device, wherein the upper-layer plastic film is provided with a feeding round hole, the feeding valve is thermally sealed in the feeding round hole, the lower-layer plastic film is provided with a discharging round hole, the discharging valve is thermally sealed in the discharging round hole, the edge of the upper-layer plastic film and the edge of the lower-layer plastic film are thermally sealed together to form a packaging bag with a liquid containing cavity between the upper-layer plastic film and the lower-layer plastic film, and the feeding valve and the discharging valve are both communicated with the containing cavity. The beneficial effects are that: the discharge valve with the film sealing device and the film puncturing device is arranged on the lower plastic film, so that the film sealing device in the discharge valve is utilized to puncture the sealing film during discharging, the liquid in the packaging bag can be discharged, the contact between the product in the packaging bag and the outside is reduced, and the secondary pollution to the product and the potential safety hazard of food can be avoided.
Description
Technical Field
The utility model relates to the field of large-capacity liquid packaging bags, in particular to a double-valve large-capacity liquid packaging bag.
Background
The existing liquid food packaging bag with large capacity (more than 1000L) is made by a single valve and a plastic film through heat sealing of a bag making machine, the single valve on the bag is used for filling liquid products, the packaging bag is damaged when materials are extracted outwards, a material pipe is inserted into the bag to extract the materials, and secondary pollution products and food safety hidden dangers exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides a double-valve large-capacity liquid packaging bag
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
the utility model provides a bivalve large capacity liquid wrapping bag, includes upper plastic film, lower floor's plastic film, feed valve and discharge valve, the feeding round hole has been seted up on the upper plastic film, the feed valve heat-seal is in the feeding round hole, the round hole of unloading has been seted up on the lower floor's plastic film, the discharge valve heat-seal is in the round hole of unloading, the edge of upper plastic film and the edge heat-seal of lower floor's plastic film make together to form the wrapping bag that has liquid and hold the chamber between upper plastic film and the lower floor's plastic film, feed valve and discharge valve all are linked together with holding the chamber.
The feeding valve comprises a feeding valve pipe with a smooth inner wall and a feeding valve cover, wherein a circle of annular feeding valve flange is arranged at the bottom of the feeding valve pipe, the feeding valve flange is connected with an upper plastic film around a feeding circular hole in a heat-sealing mode, and the feeding valve cover is connected to the feeding valve pipe in a threaded mode.
Wherein a rubber sealing gasket is clamped between the pipe orifice of the feeding valve pipe and the feeding valve cover.
The discharge valve comprises a discharge valve pipe with specific internal threads, a discharge valve cover, a film sealing assembly, a compression spring, a film puncturing device and a film puncturing device limiting ring, wherein a circle of circular discharge valve flange is arranged on the outer side of the top of the discharge valve pipe, the discharge valve flange is in heat-sealing connection with a lower plastic film around a discharge round hole, the film sealing assembly is in screwed connection with the top of the discharge valve pipe, the film puncturing device limiting ring is in screwed connection with the bottom of the discharge valve pipe, the film puncturing device is sleeved in the discharge valve pipe, the compression spring is clamped between the film puncturing device and the film sealing assembly, the pointed end of the film puncturing device faces towards the film sealing assembly, and the discharge valve cover is in screwed connection with the bottom of the discharge valve pipe.
Wherein, it includes that the circular shape seals membrane, the annular membrane installation pipe that seals of circle, the annular solid fixed ring of membrane and the annular membrane clamping ring that seals of circle to seal the membrane subassembly, the middle part that seals the membrane installation pipe is equipped with the support step, the upper portion that seals the membrane installation pipe is the internal thread hole, seal in the screw hole including the solid fixed ring spiro union of membrane, seal membrane and seal membrane clamping ring and support the step and seal between the solid fixed ring of membrane, the lower part that seals the membrane installation pipe is interior dodecagonal hole in first, seal in the membrane fixed ring in the second interior dodecagonal hole.
The membrane pricking device comprises a support ring and a plurality of membrane pricking blades which are integrally manufactured, the membrane pricking blades are arranged in the support ring according to an annular array, and the tips of the membrane pricking blades are inclined downwards from inside to outside in an inclined mode along the radial direction of the support ring.
The utility model has the beneficial effects that: through the discharge valve that has a membrane and a thorn membrane ware of installation on lower floor's plastic film, puncture the membrane from the thorn membrane ware of taking in the discharge valve and pierce the membrane and can be discharged the liquid in the wrapping bag when unloading, reduce in the wrapping bag product and external contact, can avoid secondary pollution product and food potential safety hazard.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a side view of a dual-valve high-capacity liquid packaging bag according to the present invention;
FIG. 2 is a cross-sectional view of the upper and lower plastic films of the present invention after heat sealing;
FIG. 3 is an exploded view of the feed valve of the present invention;
FIG. 4 is a schematic view of the discharge valve of the present invention;
FIG. 5 is an exploded view of the discharge valve of the present invention;
FIG. 6 is a schematic structural view of a sealing membrane module according to the present invention;
FIG. 7 is a schematic view of the construction of the membrane sealing installation tube according to the present invention;
FIG. 8 is a schematic view of the membrane pricking device of the present invention;
the reference numbers in the figures illustrate: 1-upper plastic film, 11-feeding circular hole, 2-lower plastic film, 21-discharging circular hole, 3-feeding valve, 31-feeding valve pipe, 311-feeding valve flange, 32-feeding valve cover, 33-rubber sealing gasket, 4-discharging valve, 41-discharging valve pipe, 411-discharging valve flange, 42-discharging valve cover, 43-sealing film component, 431-sealing film, 432-sealing film mounting pipe, 433-sealing film fixing ring, 434-sealing film pressing ring, 435-supporting step, 436-internal thread hole, 437-first internal dodecagonal hole, 438-second internal dodecagonal hole, 44-compression spring, 45-film pricking device, 451-supporting ring, 452-film pricking blade, 46-film pricking device limiting ring, 5-liquid containing cavity, 6-packaging the bag.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 8, a double-valve high-capacity liquid packaging bag, including upper plastic film 1, lower floor's plastic film 2, feed valve 3 and discharge valve 4, feeding round hole 11 has been seted up on upper plastic film 1, feed valve 3 heat-seals in feeding round hole 11, discharge round hole 21 has been seted up on lower floor's plastic film 2, discharge valve 4 heat-seals in discharge round hole 21, the edge of upper plastic film 1 and the edge heat-seal of lower floor's plastic film 2 make the wrapping bag 6 that has liquid holding chamber 5 between upper plastic film 1 and the lower floor's plastic film 2 together, feed valve 3 and discharge valve 4 all are linked together with holding the chamber.
The feeding valve 3 comprises a feeding valve pipe 31 with smooth inner wall and a feeding valve cover 32, a ring-shaped feeding valve flange 311 is arranged at the bottom of the feeding valve pipe 31, the feeding valve flange 311 is in heat sealing connection with the upper plastic film 1 around the feeding circular hole 11, and the feeding valve cover 32 is in threaded connection with the feeding valve pipe 31; a rubber sealing gasket 33 is clamped between the pipe opening of the feeding valve pipe 31 and the feeding valve cover 32, and a sealing structure is formed between the end face of the feeding valve pipe 31 and the feeding valve cover 32 by using the sealing rubber plug 33.
The discharge valve 4 comprises a discharge valve pipe 41 with specific internal threads, a discharge valve cover 42, a membrane sealing assembly 43, a compression spring 44, a membrane puncturing device 45 and a membrane puncturing device limiting ring 46, a circle of annular discharge valve flange 411 is arranged on the outer side of the top of the discharge valve pipe 41, the discharge valve flange 411 is in heat-sealing connection with a lower plastic membrane 2 located around a discharge round hole 21, the membrane sealing assembly 43 is in screwed connection with the top of the discharge valve pipe 41, the membrane puncturing device limiting ring 46 is in screwed connection with the bottom of the discharge valve pipe 41, the membrane puncturing device 45 is sleeved in the discharge valve pipe 41, the compression spring 44 is clamped between the membrane puncturing device 45 and the membrane sealing assembly 43, the tip of the membrane puncturing device 45 faces the membrane sealing assembly 43, and the discharge valve cover 42 is in screwed connection with the bottom of the discharge valve pipe 41. The film sealing assembly 43 comprises a circular sealing film 431, a circular sealing film mounting pipe 432, a circular sealing film fixing ring 433 and a circular sealing film pressing ring 434, a supporting step 435 is arranged in the middle of the sealing film mounting pipe 432, an internal thread hole 436 is formed in the upper portion of the sealing film mounting pipe 432, the sealing film fixing ring 433 is screwed in the internal thread hole 436, the sealing film 431 and the sealing film pressing ring 434 are clamped between the supporting step 435 and the sealing film fixing ring 433, a first internal dodecagonal hole 437 is formed in the lower portion of the sealing film mounting pipe 432, and a second internal dodecagonal hole 438 is formed in the sealing film fixing ring 433. The membrane pricking device 45 comprises a support ring 451 and a plurality of membrane pricking blades 452 which are integrally formed, the plurality of membrane pricking blades 452 are arranged in an annular array in the support ring 451, and the tips of the membrane pricking blades 452 are inclined downwards from inside to outside in an inclined manner along the radial direction of the support ring 451.
When the liquid is filled into the packaging bag, the feeding valve cover 32 and the rubber sealing gasket 33 are taken down, after the liquid is filled, the rubber sealing gasket 33 is placed on the feeding valve pipe 31, and the feeding valve cover 32 is screwed on the feeding valve pipe 31.
When the material is unloaded, the unloading valve cover is opened, the unloading valve pipe is aligned to the feed inlet of the material receiving container, the film puncturing device is pushed upwards, the film puncturing device punctures the sealing film, and the liquid in the packaging bag flows out of the unloading valve pipe.
A push rod is arranged in a feed inlet of the material receiving container, and when the packaging bag descends, the push rod pushes the film pricking device upwards until the film pricking device punctures and seals the film.
Unloading the finished shell and cleaning the packaging bag, taking out the sealing film assembly, replacing the punctured sealing film with a new sealing film, and sterilizing for recycling after assembly.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a bivalve large capacity liquid packaging bag which characterized in that: including upper plastic film, lower floor's plastic film, feed valve, have the discharge valve who seals membrane and sting membrane ware, the feeding round hole has been seted up on the upper plastic film, the feed valve heat-seal is in the feeding round hole, the round hole of unloading has been seted up on the lower floor's plastic film, the discharge valve heat-seal is in the round hole of unloading, the edge of upper plastic film and the edge heat-seal of lower floor's plastic film are together made the wrapping bag that has liquid and hold the chamber between upper plastic film and the lower floor's plastic film, feed valve and discharge valve all are linked together with holding the chamber.
2. The dual-valve large-capacity liquid packaging bag according to claim 1, wherein: the feeding valve comprises a feeding valve pipe and a feeding valve cover, the inner wall of the feeding valve pipe is smooth, a circle of annular feeding valve flange is arranged at the bottom of the feeding valve pipe, the feeding valve flange is connected with an upper plastic film around a feeding round hole in a heat-sealing mode, and the feeding valve cover is connected to the feeding valve pipe in a threaded mode.
3. The dual-valve large-capacity liquid packaging bag according to claim 2, wherein: a rubber sealing gasket is clamped between the pipe opening of the feeding valve pipe and the feeding valve cover.
4. The dual-valve large-capacity liquid packaging bag according to claim 1, wherein: the discharge valve comprises a discharge valve pipe with specific internal threads, a discharge valve cover, a film sealing assembly, a compression spring, a film puncturing device and a film puncturing device limiting ring, wherein a circle of circular discharge valve flange is arranged on the outer side of the top of the discharge valve pipe, the discharge valve flange is in heat-sealing connection with a lower plastic film around a discharge round hole, the film sealing assembly is in screwed connection with the top of the discharge valve pipe, the film puncturing device limiting ring is in screwed connection with the bottom of the discharge valve pipe, the film puncturing device is sleeved in the discharge valve pipe, the compression spring is clamped between the film puncturing device and the film sealing assembly, the pointed end of the film puncturing device faces towards the film sealing assembly, and the discharge valve cover is in screwed connection with the bottom of the discharge valve pipe.
5. The dual-valve large-capacity liquid packaging bag according to claim 4, wherein: seal the membrane module and include that circular shape seals membrane, the annular membrane installation pipe that seals, the annular solid fixed ring of membrane and the annular membrane clamping ring that seals, the middle part of sealing membrane installation pipe is equipped with the support step, the upper portion of sealing membrane installation pipe is the internal thread hole, seal in the screw hole including the solid fixed ring spiro union of membrane, seal membrane and seal membrane clamping ring and support the step and seal between the solid fixed ring of membrane, the lower part of sealing membrane installation pipe is interior dodecagonal hole in first, seal in the membrane fixed ring in for the interior dodecagonal hole of second.
6. The dual-valve large-capacity liquid packaging bag according to claim 1, wherein: the membrane pricking device comprises a support ring and a plurality of membrane pricking blades which are integrally manufactured, the membrane pricking blades are arranged in the support ring according to an annular array, and the tips of the membrane pricking blades are inclined downwards from inside to outside in an inclined mode along the radial direction of the support ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309704.1U CN216916908U (en) | 2021-12-27 | 2021-12-27 | Double-valve large-capacity liquid packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123309704.1U CN216916908U (en) | 2021-12-27 | 2021-12-27 | Double-valve large-capacity liquid packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216916908U true CN216916908U (en) | 2022-07-08 |
Family
ID=82253709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123309704.1U Active CN216916908U (en) | 2021-12-27 | 2021-12-27 | Double-valve large-capacity liquid packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216916908U (en) |
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2021
- 2021-12-27 CN CN202123309704.1U patent/CN216916908U/en active Active
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