CN220484047U

CN220484047U - Valve port bag

Info

Publication number: CN220484047U
Application number: CN202322118763.3U
Authority: CN
Inventors: 周万里
Original assignee: Wenzhou Xingxin Packaging Co ltd
Current assignee: Wenzhou Xingxin Packaging Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-02-13
Anticipated expiration: 2033-08-08

Abstract

The utility model relates to the technical field of valve bags and discloses a valve bag which comprises a bag body, wherein an inner cavity wall of the bag body is connected with a supporting structure in an adhesive mode, an air hole is formed in the top wall of the inner cavity of the bag body, a sealing structure is arranged in the inner cavity of the air hole, the sealing structure is connected with the top end of the bag body in an adhesive mode, a valve port is arranged on the side wall of the inner cavity of the bag body, the bag body comprises a paper substrate, an anti-tearing layer is arranged on the outer surface of the paper substrate, a waterproof layer is arranged on the anti-tearing layer, far away from the paper substrate, the anti-tearing layer is a polyethylene anti-tearing film, the waterproof layer is acrylic waterproof paint, the supporting structure comprises a rectangular bottom frame, the bottom end of the rectangular bottom frame is connected with the bottom wall of the inner cavity of the bag body in an adhesive mode, and prismatic plates are fixedly arranged on four corners of the top end of the rectangular bottom frame. The utility model can prevent the bag body from being broken and can also avoid the phenomenon of material leakage during transportation.

Description

Valve port bag

Technical Field

The utility model relates to the technical field of valve bags, in particular to a valve bag.

Background

The valve bag, commonly called as a bottom pasting bag, is an international popular packaging bag, is fed from the top or bottom valve port, adopts special filling equipment, is filled with materials and then is packaged into a square body, and is orderly and attractive in stacking, and belongs to an environment-friendly bag.

At present, when the valve bag is used for bagging, if the material loading speed is too high, a bulge is easily formed to cause the bag body to be broken, the valve port is not tightly sealed, and the material leakage phenomenon easily occurs in the transportation process of the valve bag, so that the valve bag is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the valve port bag provided by the utility model has the advantages of preventing the bag body from being broken, avoiding the phenomenon of material leakage during transportation and the like, and solving the problem that the bag body is broken due to the fact that the bulge is easily formed when the material loading speed is too high.

(II) technical scheme

In order to achieve the purposes of preventing the bag body from being broken and avoiding the phenomenon of material leakage during transportation, the utility model provides the following technical scheme: the utility model provides a valve port bag, includes the bag body, the inner chamber wall glue of the bag body is connected with bearing structure, the bleeder vent has been seted up to the inner chamber roof of the bag body, the inner chamber of bleeder vent is provided with seal structure, glue connection between seal structure and the top of the bag body, be provided with the valve port on the inner chamber lateral wall of the bag body.

As a preferable technical scheme of the utility model, the bag body comprises a paper substrate, the outer surface of the paper substrate is provided with a tearing-proof layer, and the tearing-proof layer is provided with a waterproof layer far away from the paper substrate so as to enhance the tearing resistance and the waterproof performance of the bag body.

As a preferable technical scheme of the utility model, the tearing-resistant layer is a polyethylene tearing-resistant film so as to enhance the tearing resistance of the bag body, and the waterproof layer is an acrylic waterproof coating so as to enhance the waterproof property of the bag body.

As a preferable technical scheme of the utility model, the supporting structure comprises a rectangular bottom frame, the bottom end of the rectangular bottom frame is in adhesive connection with the bottom wall of the inner cavity of the bag body, the four corners of the top end of the rectangular bottom frame are fixedly provided with prismatic plates, the prismatic plates are in adhesive connection with the inner cavity wall of the bag body, the inner sides of the prismatic plates are fixedly provided with large X plates, and one side, far away from the large X plates, of the prismatic plates is fixedly provided with small X plates so as to prevent the bag body from being broken, and further improve the working efficiency of valve port bag packing.

As a preferable technical scheme of the utility model, the sealing structure comprises a sealing ring, the outer surface of the sealing ring is fixedly connected with the inner cavity wall of the air vent, the inner cavity wall of the sealing ring is movably clamped with a rubber column, the top end of the rubber column is provided with an adhesive tape, and the adhesive tape is in adhesive connection with the top end of the bag body so as to seal the bag body, thereby avoiding the phenomenon of material leakage during transportation.

(III) beneficial effects

Compared with the prior art, the utility model provides the valve pocket, which has the following beneficial effects:

1. this valve port bag, through setting up bearing structure on the internal cavity wall of bag, rectangle underframe and prismatic plate are by gluing on the internal cavity wall of bag this moment, and fix big X board, the little X board on the prismatic plate and play the effect of support, when packing into the bag body through the valve port to the material, bearing structure has played the effect of support, anti-bulging tripe to prevent that the bag body from breaking open, and then improve the work efficiency that the valve port bag was bagged.

2. According to the valve port bag, the tearing-proof layer made of the polyethylene tearing-resistant film is arranged on the outer surface of the paper substrate, and then the acrylic waterproof coating is sprayed on the tearing-proof layer to form the waterproof layer, so that the tearing resistance and the waterproof performance of the bag body are conveniently enhanced.

3. This valve port bag sets up seal structure through the inner chamber at the bleeder vent, when filling the material through the valve port, and the gas in the bag body can be discharged through the inner chamber of bleeder vent, after filling the material, is fixed rubber plunger into the sealing washer inner chamber to utilize the sticky tape to seal the top of the bag body, sticky tape glues on rubber post and bag body top this moment, thereby seals the bag body, and then the phenomenon that the material leaked when avoiding the transportation.

Drawings

FIG. 1 is a front perspective view of the present utility model;

FIG. 2 is an exploded perspective view of the present utility model;

FIG. 3 is a fragmentary perspective view of the present utility model.

In the figure: 1. a bag body; 11. a paper substrate; 12. a tear resistant layer; 13. a waterproof layer; 2. a support structure; 21. a rectangular bottom frame; 22. a prismatic plate; 23. a large X plate; 24. a small X plate; 3. ventilation holes; 4. a sealing structure; 41. a seal ring; 42. a rubber column; 43. an adhesive tape; 5. the valve port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a valve port bag comprises a bag body 1, wherein a supporting structure 2 is adhesively connected to the inner cavity wall of the bag body 1, an air vent 3 is formed in the top wall of the inner cavity of the bag body 1, a sealing structure 4 is arranged in the inner cavity of the air vent 3, the sealing structure 4 is adhesively connected with the top end of the bag body 1, and a valve port 5 is arranged on the side wall of the inner cavity of the bag body 1.

Specifically, the bag body 1 comprises a paper substrate 11, a tearing-proof layer 12 is arranged on the outer surface of the paper substrate 11, and a waterproof layer 13 is arranged on the tearing-proof layer 12 far away from the paper substrate 11.

In this embodiment, the outer surface of the paper base 11 is provided with the tear-preventing layer 12 and the waterproof layer 13 in this order, thereby enhancing the tear resistance and waterproof performance of the bag body 1.

Specifically, the tear-proof layer 12 is a polyethylene tear-proof film, and the waterproof layer 13 is an acrylic waterproof coating.

In the embodiment, the polyethylene tearing-resistant film is arranged as the tearing-resistant layer 12, and has high abrasion resistance and tearing resistance, good optical performance and air tightness, thereby being convenient for enhancing the tearing resistance of the bag body 1;

by providing the acrylic waterproof paint as the waterproof layer 13, it is convenient to enhance the waterproof property of the bag body 1.

Specifically, the supporting structure 2 comprises a rectangular bottom frame 21, the bottom end of the rectangular bottom frame 21 is in adhesive connection with the bottom wall of the inner cavity of the bag body 1, the four corners of the top end of the rectangular bottom frame 21 are fixedly provided with prismatic plates 22, the prismatic plates 22 are in adhesive connection with the inner cavity wall of the bag body 1, the inner side of each prismatic plate 22 is fixedly provided with a large X plate 23, and one side, far away from the large X plate 23, of each prismatic plate 22 is fixedly provided with a small X plate 24.

In this embodiment, through setting up bearing structure 2 on the inner chamber wall of the bag body 1, rectangle underframe 21 and the prismatic board 22 of fixing on rectangle underframe 21 are all glued on the inner chamber wall of the bag body 1 this moment, and fix big X board 23, little X board 24 on prismatic board 22 have played the effect of supporting, when the material is loaded into the bag body 1, bearing structure 2 has played the effect of supporting, preventing the belly of bulging to prevent that the bag body 1 from breaking open, and then improve the work efficiency of valve port bag bagging.

Specifically, the sealing structure 4 comprises a sealing ring 41, the outer surface of the sealing ring 41 is fixedly connected with the inner cavity wall of the air hole 3, a rubber column 42 is movably clamped on the inner cavity wall of the sealing ring 41, an adhesive tape 43 is arranged at the top end of the rubber column 42, and the adhesive tape 43 is in adhesive connection with the top end of the bag body 1.

In this embodiment, through setting up seal structure 4 in bleeder vent 3 inner chamber, when filling the material, the gaseous in the bag body 1 can be discharged through bleeder vent 3 inner chamber, after filling the material finishes, is packed into rubber column 42 and is fixed at sealing washer 41 inner chamber to utilize sticky tape 43 to seal the top of bag body 1, sticky tape 43 glues on rubber column 42 and bag body 1 top this moment, thereby seals bag body 1, and then the phenomenon that the material leaked when avoiding the transportation.

Working principle: when in use, the tearing-proof layer 12 made of the polyethylene tearing-proof film is arranged on the outer surface of the paper substrate 11, and then the acrylic waterproof paint is sprayed on the tearing-proof layer 12 to form the waterproof layer 13, so that the tearing resistance and the waterproof performance of the bag body 1 are conveniently enhanced;

the supporting structure 2 is arranged on the inner cavity wall of the bag body 1, at the moment, the rectangular bottom frame 21 and the prismatic plate 22 fixed on the rectangular bottom frame 21 are glued on the inner cavity wall of the bag body 1, the large X plate 23 and the small X plate 24 fixed on the prismatic plate 22 play a supporting role, and when materials are filled into the bag body 1 through the valve port 5, the supporting structure 2 plays a supporting and bulge preventing role, so that the bag body 1 is prevented from being broken, and the working efficiency of the valve port bag is improved;

the air in the bag body 1 can be discharged through the inner cavity of the air hole 3 when materials are poured through the valve port 5, after the materials are poured, the rubber column 42 is plugged and fixed in the inner cavity of the sealing ring 41, the top end of the bag body 1 is sealed by the adhesive tape 43, at the moment, the adhesive tape 43 is adhered to the rubber column 42 and the top end of the bag body 1, the bag body 1 is sealed, and then the phenomenon of material leakage during transportation is avoided.

It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A valve bag, which comprises a bag body (1), and is characterized in that: the inner cavity wall of the bag body (1) is connected with a supporting structure (2) in an adhesive mode, an air vent (3) is formed in the top wall of the inner cavity of the bag body (1), a sealing structure (4) is arranged in the inner cavity of the air vent (3), the sealing structure (4) is connected with the top end of the bag body (1) in an adhesive mode, and a valve port (5) is formed in the side wall of the inner cavity of the bag body (1).

2. The valve bag of claim 1, wherein: the bag body (1) comprises a paper substrate (11), wherein an anti-tearing layer (12) is arranged on the outer surface of the paper substrate (11), and a waterproof layer (13) is arranged on the anti-tearing layer (12) far away from the paper substrate (11).

3. The valve bag of claim 2, wherein: the anti-tearing layer (12) is a polyethylene anti-tearing film, and the waterproof layer (13) is an acrylic waterproof coating.

4. The valve bag of claim 1, wherein: the supporting structure (2) comprises a rectangular bottom frame (21), the bottom end of the rectangular bottom frame (21) is in adhesive connection with the bottom wall of the inner cavity of the bag body (1), a prismatic plate (22) is fixedly installed on four corners of the top end of the rectangular bottom frame (21), the prismatic plate (22) is in adhesive connection with the inner cavity wall of the bag body (1), a large X plate (23) is fixedly installed on the inner side of the prismatic plate (22), and a small X plate (24) is fixedly installed on one side, far away from the large X plate (23), of the prismatic plate (22).

5. The valve bag of claim 1, wherein: the sealing structure (4) comprises a sealing ring (41), the outer surface of the sealing ring (41) is fixedly connected with the inner cavity wall of the air hole (3), a rubber column (42) is movably clamped on the inner cavity wall of the sealing ring (41), an adhesive tape (43) is arranged at the top end of the rubber column (42), and the adhesive tape (43) is in adhesive connection with the top end of the bag body (1).