Biodegradable environment-friendly spandex paper tube

By designing a movable paper tube and components such as partitions and U-shaped clamps on the spandex paper tube, reliable fixing of the wire end is achieved, the compressive strength of the paper tube is enhanced, and the problem of the slotted wire end being difficult to deform at high temperatures but not easy to fix is ​​solved.

CN223936009UActive Publication Date: 2026-02-24CHONGQING XINLIANFENG IND CO LTD
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Patent Information

Application Number
CN202520654322.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-24
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

The existing spandex paper tubes with grooved ends are not easily deformed at high temperatures, but they are not convenient for fixing the ends, so they are not very practical.

Method used

A fixing assembly was designed, comprising a paper tube body, a movable paper tube, a partition, a U-shaped clamp, a limiting block, and a plastic tube. The movable paper tube and the paper tube body rotate together to reliably fix the wire end.

Benefits of technology

It improves the fixation of the thread ends, enhances the compressive strength of the paper tube, and solves the problem that grooved thread ends are not easy to deform at high temperatures but are difficult to fix.

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Abstract

The utility model relates to the technical field of spandex paper tubes, in particular to a biodegradable environment-friendly spandex paper tube which comprises a paper tube body and a fixing assembly. The fixing assembly comprises a movable paper tube and a partition plate, the movable paper tube is rotationally connected with the paper tube body, the movable paper tube is located on the inner side of the paper tube body, the paper tube body is provided with a strip-shaped first open groove, the first open groove extends in the length direction of the paper tube body, and the movable paper tube is provided with a second open groove corresponding to the first open groove. The two ends of the partition plate are fixedly connected with the movable paper tube respectively, and the partition plate is located on the inner side of the movable paper tube; the movable paper tube is rotated to enable the second open groove to coincide with the first open groove, a thread end penetrates through the first open groove and the second open groove and then is pressed on the partition plate, the movable paper tube is rotated to enable the second open groove and the first clamping groove to be staggered, at the moment, the thread end is clamped between the movable paper tube and the paper tube body, and therefore the thread end is fixed, and practicability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of spandex paper tube technology, and in particular to a biodegradable and environmentally friendly spandex paper tube. Background Technology

[0002] In industrial production, it is necessary to wind synthetic fibers or spandex onto paper tubes for convenient production and transportation. To facilitate winding and unwinding, grooves are usually cut into the outer surface of the paper tube to fix the thread ends. However, the spandex paper tube is prone to deformation after being grooved, and its compressive strength and high-temperature resistance are reduced.

[0003] The utility model patent with publication number CN202594535U provides an environmentally friendly high-temperature resistant steam-resistant polymer spandex tube. A groove is provided between the paint layer and the paper tube body. The length of the groove is 1 / 3 to 1 / 2 of the circumference of the paper tube body. The width of the groove gradually decreases from the middle to both ends. Such a groove is not easily deformed after being subjected to high-temperature steaming, and the groove does not affect the compressive strength of the paper tube.

[0004] The above solution involves creating a groove between the paint layer and the paper tube, with the width gradually decreasing from the middle to both ends. This makes the groove less prone to deformation under high temperatures. However, this type of groove is not convenient for fixing the wire ends, and its practicality is not high. Utility Model Content

[0005] The purpose of this utility model is to provide a biodegradable and environmentally friendly spandex paper tube, which solves the problem that while a groove with a width that gradually decreases from the middle to both ends is provided between the paint layer and the paper tube body, making the groove less prone to deformation under high temperature, this type of groove is not convenient for fixing the thread ends and has low practicality.

[0006] To achieve the above objectives, this utility model provides a biodegradable and environmentally friendly spandex paper tube, comprising a paper tube body and a fixing component; the fixing component includes a movable paper tube and a partition, the movable paper tube being rotatably connected to the paper tube body, the movable paper tube being located inside the paper tube body, the paper tube body having a first slot arranged in a strip shape, the first slot extending along the length direction of the paper tube body, the movable paper tube having a second slot corresponding to the first slot, and the two ends of the partition being fixedly connected to the movable paper tube, the partition being located inside the movable paper tube.

[0007] The fixing component further includes a U-shaped clamp, the length of which is adapted to the inner diameter of the movable paper tube. The U-shaped clamp is detachably connected to the partition, and the U-shaped clamp is located on the side of the partition, with its two ends located on both sides of the partition.

[0008] The fixing component further includes two limiting blocks, both of which are arranged in a ring shape. The two limiting blocks are fixedly connected to the movable paper tube and are located at both ends of the movable paper tube.

[0009] The limiting block has multiple slots, which are triangular in shape and are evenly spaced around the axis of the limiting block on its periphery.

[0010] The fixing component also includes a plastic tube, which is arranged in a ring shape and is detachably connected to the movable paper tube. The plastic tube is located inside the movable paper tube.

[0011] The plastic tube has an opening that extends along the length of the plastic tube and extends from one end of the plastic tube to the other end.

[0012] This utility model discloses a biodegradable and environmentally friendly spandex paper tube. When it is necessary to fix the thread end to the paper tube body, first rotate the movable paper tube so that the second slot coincides with the first slot. Pass the thread end through the first slot and the second slot, and then press the thread end on the partition. Rotate the movable paper tube so that the second slot and the first slot are misaligned. At this time, the thread end is stuck between the movable paper tube and the paper tube body, thereby fixing the thread end and improving practicality. It solves the problem that the width of the thread end slot between the paint layer and the paper tube body gradually decreases from the middle to both ends, making the thread end slot less prone to deformation after high temperature, but this thread end slot is not convenient for fixing the thread end and has low practicality. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the structure of a biodegradable and environmentally friendly spandex paper tube according to this utility model.

[0015] Figure 2 This is a structural cross-sectional view of a biodegradable and environmentally friendly spandex paper tube according to this utility model.

[0016] Figure 3 This utility model relates to a biodegradable and environmentally friendly spandex paper tube. Figure 2 The structural cross-sectional view at point AA.

[0017] Figure 4 This utility model relates to a biodegradable and environmentally friendly spandex paper tube. Figure 2 Cross-sectional view of the structure at point BB.

[0018] 100-Paper tube body, 110-First slot, 210-Movable paper tube, 211-Second slot, 220-Partition, 230-U-shaped clamp, 240-Limiting block, 241-Card slot, 250-Plastic tube, 251-Opening. Detailed Implementation

[0019] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0020] Please see Figures 1 to 4 , Figure 1 This is a schematic diagram of the structure of a biodegradable and environmentally friendly spandex paper tube according to this utility model. Figure 2 This is a structural cross-sectional view of a biodegradable and environmentally friendly spandex paper tube according to this utility model. Figure 3 This utility model relates to a biodegradable and environmentally friendly spandex paper tube. Figure 2 The structural cross-sectional view at point AA. Figure 4 This utility model relates to a biodegradable and environmentally friendly spandex paper tube. Figure 2 Cross-sectional view of the structure at point BB.

[0021] This utility model provides a biodegradable and environmentally friendly spandex paper tube, including a paper tube body 100 and a fixing component. The fixing component includes a movable paper tube 210, a partition 220, a U-shaped clamp 230, two limiting blocks 240 and a plastic tube 250.

[0022] In this specific embodiment, the movable paper tube 210 is rotatably connected to the paper tube body 100. The movable paper tube 210 is located inside the paper tube body 100. The paper tube body 100 has a first slot 110 arranged in a strip shape, which extends along the length direction of the paper tube body 100. The movable paper tube 210 is provided with a second slot 211 corresponding to the first slot 110. The two ends of the partition 220 are fixedly connected to the movable paper tube 210, and the partition 220 is located inside the movable paper tube 210. The paper tube body 100, the movable paper tube 210, and the partition 220 are all made from refined chemical wood pulp with high α-cellulose content, and are produced through processes such as alkalization, pressing, crushing, xanthation, dissolution, maturation, filtration, coagulation, washing, desulfurization, bleaching, desalination, and plasticization. The movable paper tube 210 can rotate relative to the paper tube body 100, and the first slot 110 can rotate to coincide with the second slot 211. The movable paper tube 210 is provided inside the paper tube body 100, which can improve the compressive strength of the paper tube body 100, so that the paper tube body 100 will not be easily deformed by compression. Furthermore, the partition 220 is provided on the inner side of the movable paper tube 210, which further improves the compressive strength of the paper tube body 100. When it is necessary to fix the wire end to the paper tube body 100, first rotate the movable paper tube 210 so that the second slot 211 coincides with the first slot 110. Pass the wire end through the first slot 110 and the second slot 211, and then press the wire end on the partition 220. Rotate the movable paper tube 210 so that the second slot 211 and the first slot 241 are misaligned. At this time, the wire end is stuck between the movable paper tube 210 and the paper tube body 100, thereby fixing the wire end and improving practicality. It solves the problem that the wire end slot with a width that gradually decreases from the middle to both ends is provided between the paint layer and the paper tube body, which makes the wire end slot less prone to deformation after high temperature, but this wire end slot is not convenient to fix the wire end and has low practicality.

[0023] Furthermore, the length of the U-shaped clamp 230 is adapted to the inner diameter of the movable paper tube 210. The U-shaped clamp 230 is detachably connected to the partition 220. The U-shaped clamp 230 is located on the side of the partition 220, with its two ends located on opposite sides of the partition 220. The U-shaped clamp 230, provided on the side of the movable paper tube 210, can clamp the thread end, thereby improving the fixation of the thread end. When it is necessary to fix the thread end, first rotate the movable paper tube 210 so that the second slot 211 coincides with the first slot 110. Pass the thread end through the first slot 110 and the second slot 211, then press the thread end onto the partition 220 and clamp the U-shaped clamp 230 onto the partition 220, so that the thread end is held between the U-shaped clamp 230 and the partition 220, thereby fixing the thread end. Rotate the movable paper tube 210 so that the second slot 211 and the first slot 241 are misaligned. At this time, the thread end is stuck between the movable paper tube 210 and the paper tube body 100, thereby fixing the thread end and improving practicality.

[0024] Specifically, both limiting blocks 240 are arranged in a ring shape, and are fixedly connected to the movable paper tube 210. The two limiting blocks 240 are located at both ends of the movable paper tube 210. The limiting blocks 240 are used to prevent misalignment between the movable paper tube 210 and the paper tube body 100. The two limiting blocks 240 are respectively located at both ends of the movable paper tube 210 and contact both ends of the paper tube body 100, preventing the movable paper tube 210 from sliding along the axial direction of the paper tube body 100, thereby restricting the position of the movable paper tube 210.

[0025] The limiting block 240 has multiple slots 241, which are triangularly arranged and evenly spaced around the axis of the limiting block 240. The multiple slots 241 on the periphery of the limiting block 240 facilitate the rotation of the movable paper tube 210 by the operator through the slots 241.

[0026] Furthermore, the plastic tube 250 is arranged in a ring shape and is detachably connected to the movable paper tube 210. The plastic tube 250 is located inside the movable paper tube 210. The plastic tube 250 is made of a blend of polyadipate and butylene terephthalate, possessing strong flexibility and strength. Both polyadipate and butylene terephthalate are biodegradable and will not impact the environment. The placement of the plastic tube 250 inside the movable paper tube 210 further improves the compressive strength of the paper tube body 100, thus enhancing its compressive resistance.

[0027] Secondly, the plastic tube 250 has an opening 251 that extends along the length of the plastic tube 250, from one end to the other. The opening 251 allows adjustment of the size of the ring formed by the plastic tube 250. When the plastic tube 250 is installed in the movable paper tube 210, pressing it reduces the size of the ring, facilitating insertion into the inner side of the movable paper tube 210. Releasing the plastic tube expands under elasticity, thus securing it inside the movable paper tube 210 and supporting the paper tube body 100, further improving its compressive strength.

[0028] When using biodegradable and environmentally friendly spandex paper tubes to secure the thread end, first rotate the movable paper tube 210 so that the second slot 211 coincides with the first slot 110. Pass the thread end through the first slot 110 and the second slot 211, then press the thread end onto the partition 220 and clamp the U-shaped clamp 230 onto the partition 220, so that the thread end is held between the U-shaped clamp 230 and the partition 220, thereby securing the thread end. Rotate the movable paper tube 210 so that the second slot 211 and the first slot 241 are misaligned. At this time, the thread end is held between the movable paper tube 210 and the paper tube body 100, thereby securing the thread end and improving practicality.

[0029] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A biodegradable and environmentally friendly spandex paper tube, comprising a paper tube body, characterized in that, It also includes fixed components; The fixing component includes a movable paper tube and a partition. The movable paper tube is rotatably connected to the paper tube body and is located inside the paper tube body. The paper tube body has a first slot arranged in a strip shape, which extends along the length of the paper tube body. The movable paper tube has a second slot corresponding to the first slot. The two ends of the partition are fixedly connected to the movable paper tube and are located inside the movable paper tube.

2. The biodegradable environmentally friendly spandex paper tube as described in claim 1, characterized in that, The fixing component also includes a U-shaped clamp, the length of which is adapted to the inner diameter of the movable paper tube. The U-shaped clamp is detachably connected to the partition, and the U-shaped clamp is located on the side of the partition, with its two ends located on both sides of the partition.

3. The biodegradable environmentally friendly spandex paper tube as described in claim 1, characterized in that, The fixing component also includes two limiting blocks, both of which are arranged in a ring shape. The two limiting blocks are fixedly connected to the movable paper tube and are located at both ends of the movable paper tube.

4. The biodegradable environmentally friendly spandex paper tube as described in claim 3, characterized in that, The limiting block has multiple slots, which are arranged in a triangular shape and are evenly spaced around the axis of the limiting block on its periphery.

5. The biodegradable environmentally friendly spandex paper tube as described in claim 1, characterized in that, The fixing component also includes a plastic tube, which is arranged in a ring shape and is detachably connected to the movable paper tube. The plastic tube is located inside the movable paper tube.

6. The biodegradable environmentally friendly spandex paper tube as described in claim 5, characterized in that, The plastic tube has an opening that extends along the length of the plastic tube and extends from one end of the plastic tube to the other end of the plastic tube.

Citation Information

Patent Citations

  • Environment friendly heat-resistance steaming polymer spandex tube

    CN202594535U