Detachable zipper for logistics transfer bag

Abstract

The detachable zipper for the logistics transfer bag comprises a zipper head and two zipper belts, anti-explosion tooth chains are fixedly arranged on the inner sides of the two zipper belts, the anti-explosion tooth chains are meshed with each other, sliding tooth chains are arranged on the outer sides of the two zipper belts, and each sliding tooth chain comprises an adhesive tape and a double-bone tooth chain. The device has the advantages of being convenient to replace and capable of being recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of zippers for logistics transfer bags, in particular to a detachable zipper for logistics transfer bags. Background Art

[0002] With the continuous development of modern online shopping, the logistics industry has grown rapidly, and the demand for logistics transfer bags has also increased. The most important component of a logistics transfer bag is the zipper. Once the zipper falls off or breaks, the logistics transfer bag cannot be used and needs to be returned to the factory for repair.

[0003] Existing logistics transfer bags, such as the wear-resistant express transfer eco-friendly bag with the published patent number 202220361909.X, have a non-detachable zipper on the bag body. Once the zipper is broken and returned to the factory for repair, the entire zipper can only be cut off and a new zipper sewn on the bag opening. This practice will cause a series of problems: First, the cut-off broken zipper can only be treated as garbage incineration because the cut-off zipper is adhered to the woven bag, and the woven bag material is PE, and the zipper material is nylon (polyester), and the two have different melting points, which makes the classification and recycling cost high; Second, after cutting off the old broken zipper, the bag body of the transfer bag becomes smaller, that is, its volume ratio will become smaller. For the sake of environmental protection, a durable and recyclable logistics transfer bag is urgently needed. Summary of the Invention

[0004] The purpose of the utility model is to provide a detachable zipper for a logistics transfer bag, which has the advantages of being easy to replace and recyclable.

[0005] The technical solution of the utility model is: a detachable zipper for logistics transfer bags, comprising a zipper head and two chain belts, explosion-proof tooth chains are fixedly provided on the inner sides of the two chain belts, the explosion-proof tooth chains are meshed with each other, and sliding tooth chains are provided on the outer sides of the two chain belts.

[0006] In the aforementioned detachable zipper for logistics transfer bags, the sliding chain includes a rubber strip and a double-bone chain. The double-bone chain is divided into two layers, which are respectively fixed on the upper and lower sides of the chain belt.

[0007] In the aforementioned detachable zipper for logistics transfer bags, the material of the double-bone chain is polyester.

[0008] In the aforementioned detachable zipper for logistics transfer bags, the double-bone chain has a width of 3-5 mm, a thickness of 2-4 mm, and a tooth pitch of 2-4 mm.

[0009] In the aforementioned detachable zipper for a logistics transfer bag, a rubber strip is provided on the outer movable sleeve of the double-bone chain. The material of the rubber strip is PE, and the rubber strip is fixed on the bag opening of the logistics transfer bag.

[0010] In the aforementioned detachable zipper for logistics transfer bags, the explosion-proof chain is a single-sided double-layer explosion-proof chain, and the single-sided double-layer explosion-proof chain is divided into an upper chain and a lower chain. A connecting cloth belt is provided between the upper chain and the lower chain, and the upper chain is fixedly connected to the chain belt by sewing, and the sewing method is a four-needle and eight-thread sewing method.

[0011] In the aforementioned detachable zipper for logistics transfer bags, the explosion-proof tooth chain is an ordinary explosion-proof tooth chain, which is divided into two layers of upper and lower tooth chains, which are fixed to the upper and lower sides of the chain belt by sewing.

[0012] In the aforementioned detachable zipper for logistics transfer bags, the material of the explosion-proof chain is polyester.

[0013] The utility model is provided with a sliding tooth chain on the outside of the chain belt, which can be movably installed in the rubber strip of the bag opening of the logistics transfer bag through the sliding tooth chain to achieve detachability;

[0014] Furthermore, the sliding chain, chain belt and explosion-proof chain are all made of polyester, which can be easily recycled.

[0015] Furthermore, the explosion-proof tooth chain can greatly reduce the wear of the tooth chain and the occurrence of tooth explosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic structural diagram of Example 1 of the present utility model;

[0018] Figure 3 This is a schematic structural diagram of Example 2 of the present utility model;

[0019] The markings in the accompanying drawings are: 1. zipper head; 2. chain belt; 30. explosion-proof chain; 40. sliding chain; 41. double-bone chain; 5. rubber strip; 31. upper chain; 32. lower chain; 33. connecting cloth belt. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0021] Example 1.

[0022] A detachable zipper for a logistics transfer bag, such as Figure 1-2 As shown, it includes two oppositely arranged zipper heads 1 and two chain belts 2. The inner sides of the two chain belts 2 are fixed with explosion-proof tooth chains 30, which are meshed with each other. The outer sides of the two chain belts 2 are provided with sliding tooth chains 40.

[0023] The sliding fastener chain 40 includes a double-bone fastener chain 41 , which is divided into two layers, upper and lower layers, which are fixedly sewn to the upper and lower sides of the chain belt 2 respectively.

[0024] The double-bone tooth chain 41 is a standard No. 8 double-bone tooth chain, with a width of 5 mm, a thickness of 3 mm, and a tooth pitch of 2-3 mm. The large spacing between each tooth chain enables rapid sewing and reduces costs.

[0025] The outer movable sleeve of the double-bone chain 41 is provided with a rubber strip 5, and the rubber strip 5 is fixed on the bag opening of the logistics transfer bag. The entire logistics transfer bag zipper can be pulled out from the rubber strip 5 through the sliding chain 40, realizing a detachable setting. When the logistics transfer bag zipper is broken, the zipper can be replaced without cutting the entire zipper, and the replacement is more convenient and quick.

[0026] The material of the rubber strip 5 is PE, and the material of the logistics transfer bag is also PE. After the logistics transfer bag is broken, the logistics transfer bag can be recycled by pulling out the zipper; at the same time, the materials of the double-bone tooth chain 41 and the explosion-proof tooth chain 30 are both polyester, and the material of the chain belt 2 is also polyester, so the entire zipper can also be recycled.

[0027] The explosion-proof tooth chain 30 is a single-sided double-layer explosion-proof tooth chain, which is divided into an upper tooth chain 31 and a lower tooth chain 32. A connecting cloth belt 33 is provided between the upper tooth chain 31 and the lower tooth chain 32. The upper tooth chain 31 is fixedly connected to the lower side of the chain belt 2 by sewing, and the sewing method is a four-needle eight-thread or four-needle six-thread sewing method.

[0028] The explosion-proof fastener chain 30 has a width of 5.10-5.15 mm, a thickness of 3.15-3.20 mm, and a tooth pitch of 1.55-1.60 mm.

[0029] Example 2.

[0030] like Figure 3 As shown, the difference from Example 1 is that the explosion-proof fastener chain 30 is a common explosion-proof zipper, which is divided into two layers of upper and lower fasteners, which are fixed to the upper and lower sides of the chain belt 2 by means of seams.

[0031] Example 3.

[0032] The difference from Example 1 is that the double-bone fastener chain 41 is a standard No. 10 double-bone fastener chain, with a width of 6 mm, a thickness of 3.5 mm, and a tooth pitch of 3-4 mm.

Claims

1. A detachable zipper for a logistics transfer bag, comprising a zipper head (1) and two left and right chain straps (2), characterized in that: An explosion-proof tooth chain (30) is fixedly provided on the inner sides of the two chain belts (2), and the explosion-proof tooth chains (30) are meshed with each other. A sliding tooth chain (40) is provided on the outer sides of the two chain belts (2), and the sliding tooth chain (40) includes a double-bone tooth chain (41). The double-bone tooth chain (41) is divided into an upper and a lower layer, which are respectively fixed on the upper and lower sides of the chain belt (2); a rubber strip (5) is provided on the outer movable sleeve of the double-bone tooth chain (41), and the material of the rubber strip (5) is PE, and the material of the double-bone tooth chain (41) is polyester.

2. The detachable zipper for a logistics transfer bag according to claim 1, characterized in that: The double-bone tooth chain (41) has a width of 3-5 mm, a thickness of 2-4 mm, and a tooth pitch of 2-4 mm.

3. The detachable zipper for a logistics transfer bag according to claim 1, characterized in that: The explosion-proof tooth chain (30) is a single-sided double-layer explosion-proof tooth chain.

4. The detachable zipper for a logistics transfer bag according to claim 3, characterized in that: The single-sided double-layer explosion-proof chain is divided into an upper chain (31) and a lower chain (32). A connecting cloth belt (33) is provided between the upper chain (31) and the lower chain (32). The upper chain (31) is fixedly connected to the chain belt (2) by sewing.

5. The detachable zipper for a logistics transfer bag according to claim 1, characterized in that: The explosion-proof tooth chain (30) is an ordinary explosion-proof tooth chain, which is divided into two layers of tooth chains, upper and lower, which are respectively fixed to the upper and lower sides of the chain belt (2) by means of thread stitching.

6. The detachable zipper for a logistics transfer bag according to claim 1, characterized in that: The material of the explosion-proof tooth chain (30) is polyester.

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