CN216103849U

CN216103849U - Lithium battery powder bag

Info

Publication number: CN216103849U
Application number: CN202122092281.6U
Authority: CN
Inventors: 陆蓓; 徐宏玉; 朱敏燕
Original assignee: Yixing Weinite Packaging Bag Co ltd
Current assignee: Yixing Weinite Packaging Bag Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-03-22
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to a lithium battery powder bag which comprises a bag body, wherein a feeding hole is formed in the middle of the upper portion of the bag body, a discharging hole is formed in the middle of the lower portion of the bag body, reinforced hanging strips are arranged at corners of the upper portion of the bag body, the bag body comprises an inner bag and an outer bag, the inner bag is an aluminum film inner bag, the outer bag is a woven cloth outer bag, and the inner bag sequentially comprises a PET outer film layer, a first bonding layer, a connecting film layer, a second bonding layer, a PET inner film layer, an aluminum-plated layer and a PE film layer. The utility model has high sealing performance, high obstruction, wear resistance of the sling and high use strength.

Description

Lithium battery powder bag

Technical Field

The utility model relates to a flexible freight bag, in particular to a flexible freight bag for lithium battery powder.

Background

Along with the rapid development of the society, electronic equipment is more and more common now, and the application range of lithium cell is also more and more extensive now, and many lithium cell raw materials now, lithium cell powder all pack and sell promptly, because the characteristic of lithium cell, if do not vacuum packaging makes the lithium cell expose in the air for a long time, can lead to lithium cell powder material oxidation, influences the normal use of lithium cell.

Disclosure of Invention

The purpose of the utility model is as follows: the utility model aims to overcome the defects in the prior art and provide a lithium battery powder bag which is high in sealing performance, high in barrier performance, wear-resistant in a hanging strip and high in use strength.

The technical scheme is as follows: in order to solve the technical problem, the lithium battery powder bag comprises a bag body, a feeding hole is formed in the middle of the upper portion of the bag body, a discharging hole is formed in the middle of the lower portion of the bag body, a reinforced sling is arranged at the corner of the upper portion of the bag body, the bag body comprises an inner bag and an outer bag, the inner bag is an aluminum film inner bag, the outer bag is a woven fabric outer bag, the inner bag sequentially comprises a PET (polyethylene terephthalate) outer film layer, a first bonding layer, a connecting film layer, a second bonding layer, a PET inner film layer, an aluminum plated layer and a PE (polyethylene) film layer, the reinforced sling comprises a sling body, a wear-resistant sheath is arranged outside the sling body, the sling body is of a four-layer structure formed by overlapping single-layer polyester woven tapes, the four-layer structure comprises a polyester woven tape layer I, a polyester woven tape layer II, a polyester woven tape layer III and a polyester woven layer IV, the polyester woven tape layer I and the polyester woven tape layer II are connected through sewing threads to form a connector I, the terylene tape layer III and the terylene tape layer IV are connected through sewing threads to form a connector II, the connector I and the connector II are connected through the sewing threads to form a sling body, and the single-layer terylene tape is formed by weaving and connecting warp yarns and weft yarns through a lock stitch line.

Further, the first adhesive layer and the second adhesive layer are vinyl polyurethane adhesive layers.

Further, the outer bag is a PP woven cloth outer bag.

Has the advantages that: compared with the prior art, the utility model has the following remarkable advantages: the utility model has reasonable integral structure arrangement, the inner bag is made of a PET outer film layer, a first adhesive layer, a connecting film layer, a second adhesive layer, a PET inner film layer, an aluminum-plated layer and a PE film layer, and has good high-sealing and high-barrier performance, the aluminum-plated layer is plated on one side of the PET inner film layer, the problem that the prior aluminum film layer has creases and is broken in the using process is solved, the high-sealing and high-barrier performance is further improved, the bag body is provided with a reinforced sling, the outer part of the sling body is provided with a wear-resistant sheath, the wear-resistant performance of the part is greatly improved, the sling body is a four-layer structure formed by overlapping single-layer terylene woven belts, the four-layer structure is divided into a terylene woven belt layer I, a terylene woven belt layer II, a terylene woven belt layer III and a terylene woven belt layer IV, the terylene woven belt layer I and the terylene woven belt II are connected through sewing threads to form a connector II, connector I and connector II link to each other through the sewing thread and constitute the suspender body, and the connectivity is good, and use strength is high.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the harness of the present invention;

fig. 3 is a schematic view of the layered structure of the sling body according to the present invention.

Detailed Description

The utility model is further described below with reference to the figures and examples.

As shown in fig. 1, 2 and 3, the lithium battery powder bag of the present invention comprises a bag body, a feed inlet 1 is arranged in the middle of the upper portion of the bag body, a discharge outlet 2 is arranged in the middle of the lower portion of the bag body, reinforced slings 3 are arranged at corners of the upper portion of the bag body, the bag body comprises an inner bag 4 and an outer bag 5, the inner bag 4 is an aluminum film inner bag, the outer bag 5 is a PP woven fabric outer bag, the inner bag 4 sequentially comprises a PET outer film layer, a first bonding layer, a connecting film layer, a second bonding layer, a PET inner film layer, an aluminum plated layer and a PE film layer, the first bonding layer and the second bonding layer are vinyl polyurethane adhesive layers, the reinforced slings 3 comprise a slings body 6, a wear-resistant sheath 7 is arranged outside the slings body 6, the slings body 6 is formed by overlapping single-layer dacron woven tapes into a four-layer structure, and the four-layer structure comprises a dacron woven tapes layer i 8, a woven tapes The terylene webbing layer II 9, the terylene webbing layer III 10 and the terylene webbing layer IV 11 are connected through sewing threads to form a connector I12, the terylene webbing layer III 10 and the terylene webbing layer IV 11 are connected through sewing threads to form a connector II 13, the connector I12 and the connector II 13 are connected through sewing threads to form a hanging strip body 6, and the single-layer terylene webbing is formed by weaving and connecting warp yarns and weft yarns through a lock line. The utility model has reasonable integral structure arrangement, the inner bag is made of a PET outer film layer, a first adhesive layer, a connecting film layer, a second adhesive layer, a PET inner film layer, an aluminum-plated layer and a PE film layer, and has good high-sealing and high-barrier performance, the aluminum-plated layer is plated on one side of the PET inner film layer, the problem that the prior aluminum film layer has creases and is broken in the using process is solved, the high-sealing and high-barrier performance is further improved, the bag body is provided with a reinforced sling, the outer part of the sling body is provided with a wear-resistant sheath, the wear-resistant performance of the part is greatly improved, the sling body is a four-layer structure formed by overlapping single-layer terylene woven belts, the four-layer structure is divided into a terylene woven belt layer I, a terylene woven belt layer II, a terylene woven belt layer III and a terylene woven belt layer IV, the terylene woven belt layer I and the terylene woven belt II are connected through sewing threads to form a connector II, connector I and connector II link to each other through the sewing thread and constitute the suspender body, and the connectivity is good, and use strength is high.

The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.

Claims

1. Lithium cell powder bag, its characterized in that: the improved fabric sling comprises a bag body, wherein a feeding hole (1) is formed in the middle of the upper portion of the bag body, a discharging hole (2) is formed in the middle of the lower portion of the bag body, reinforced sling strips (3) are arranged at corners of the upper portion of the bag body, the bag body comprises an inner bag (4) and an outer bag (5), the inner bag (4) is an aluminum film inner bag, the outer bag (5) is a woven fabric outer bag, the inner bag (4) sequentially comprises a PET outer film layer, a first bonding layer, a connecting film layer, a second bonding layer, a PET inner film layer, an aluminum plated layer and a PE film layer, the reinforced sling strips (3) comprise a sling body (6), a wear-resistant sheath (7) is arranged outside the sling body (6), the sling body (6) is of a four-layer structure formed by superposing single-layer terylene woven tapes, and the four-layer structure comprises a terylene woven tape layer I (8), a terylene tape layer II (9), a terylene woven tape layer III (10) and a terylene tape layer (11), the dacron knitwear layer I (8) and the dacron knitwear layer II (9) are connected through sewing threads to form a connector I (12), the dacron knitwear layer III (10) and the dacron knitwear layer IV (11) are connected through the sewing threads to form a connector II (13), the connector I (12) and the connector II (13) are connected through the sewing threads to form a hanging strip body (6), and the single-layer dacron woven belt is formed by weaving and connecting warp yarns and weft yarns through locking lines.

2. The lithium battery powder bag according to claim 1, wherein: the first bonding layer and the second bonding layer are vinyl polyurethane adhesive layers.

3. The lithium battery powder bag according to claim 1, wherein: the outer bag (5) is a PP woven cloth outer bag.