PU leather layer structure with hooks

By designing a combination of the surface layer, base fabric layer, adhesive layer and hook connection mechanism in PU leather, the problem of PU leather lacking a strong and tough hook connection is solved, a stable hook connection is achieved, and durability is improved.

CN223456602UActive Publication Date: 2025-10-21DONGGUAN CHUANHE NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423030167.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-07
Publication Date
2025-10-21
Estimated Expiration
2034-12-07

AI Technical Summary

Technical Problem

Existing PU leather lacks a hook connection structure that does not affect its strength and toughness, resulting in it being easily damaged by external forces when punching holes to add hooks and other expansion functions, affecting its durability.

Method used

A PU leather layer structure including a skin layer, a base fabric layer, an adhesive layer and a hook connection mechanism is designed. Through the combination of a threaded cylinder, a limit plate, a protective soft cover, a storage cylinder, a guide rod and a four-claw hook, a stable connection is achieved to prevent hole damage.

Benefits of technology

The durability of the PU leather punching scene is improved, ensuring that the hook connection is stable and not easily damaged by external forces, and enhancing the durability of the expansion function.

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    Figure CN223456602U_ABST
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Abstract

The utility model relates to the technical field of PU (polyurethane) leather, and discloses a PU leather layer structure with hooks, which comprises a surface layer, a base cloth layer is arranged below the surface layer, the upper surface of the base cloth layer and the bottom surface of the surface layer are jointly and fixedly connected with a bonding layer, and hook connecting mechanisms are jointly arranged in the surface layer, the base cloth layer and the bonding layer. The hook connecting mechanism comprises a threaded cylinder, and the bottom end of the threaded cylinder is fixedly connected with a lower limiting disc. According to the PU leather layer structure with the hooks, through the surface layer, the base cloth layer, the bonding layer, the threaded barrel, the lower limiting disc, the protective soft sleeve, the upper limiting disc, the storage barrel, the guide rod, the four-claw hook and the sliding disc, the threaded barrel can penetrate through the surface layer, the base cloth layer and the bonding layer, the upper limiting disc can be in threaded connection with the threaded barrel, and the soft protective effect of the protective soft sleeve is added; furthermore, the storage cylinder, the guide rod, the four-claw hook and the sliding disc in the threaded cylinder can be stably assembled in a hole punched in PU leather composed of a surface layer, a base cloth layer and a bonding layer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PU leather technical field, specifically a PU leather layer structure with hook. BACKGROUND

[0002] PU leather is a kind of artificial leather, and its main components include polyurethane coating (skin layer), base cloth layer and adhesive layer. PU leather has wear resistance, folding resistance and waterproof performance to some extent, and is commonly used in clothing and luggage scenes.

[0003] The utility model with publication number CN217415155U discloses a kind of high wear-resistant waterproof PU leather structure, it is made of polyurethane, polyurethane adds nanometer silicon dioxide, can promote the wear resistance of leather, on its upper surface, brush wear-resistant coating can further improve the wear resistance of leather, the first stable layer of net structure, polyurethane can smoothly pass through mesh when foaming, first stable layer is completely covered, first stable layer provides stable tensile property, wear-resistant PU layer is not substantially stretched, resulting in crack or blister on the surface of leather, wear-resistant PU layer and the first waterproof layer of lower surface groove shape, increase the bonding area, so that wear-resistant PU layer is not easy to fall off from fabric base layer, guarantee the integrity of leather, improve the wear resistance of leather.

[0004] The above technical scheme has good wear resistance, but lacks a hook connection structure that does not affect its toughness, which makes it easy to damage the punched hole when adding an extension function structure such as a hook, thereby affecting the durability of the PU leather punching scene.

[0005] Therefore, the skilled in the art provides a PU leather layer structure with hook to solve the problems raised in the background art. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a PU leather layer structure with hook to solve the problems raised in the background art.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A PU leather layer structure with hook includes a skin layer, a base cloth layer is arranged below the skin layer, an adhesive layer is fixedly connected to the upper surface of the base cloth layer and the bottom surface of the skin layer, and a hook connection mechanism is arranged in the skin layer, the base cloth layer and the adhesive layer.

[0009] The hook connecting mechanism comprises a threaded cylinder, a lower limiting disc fixedly connected to the bottom end of the threaded cylinder, a protective soft sleeve fixedly connected to the outer surface of the threaded cylinder, an upper limiting disc threadedly connected to the outer surface of the threaded cylinder, a receiving cylinder threadedly connected to the inner wall of the threaded cylinder, a guide rod and a sliding disc slidingly connected to the inner part of the receiving cylinder respectively, and a four-jaw hook fixedly connected to the top end of the guide rod.

[0010] As a further scheme of the present utility model: the outer surface of the protective soft sleeve is in contact with the inner wall of the skin layer, the inner wall of the base cloth layer and the inner wall of the adhesive layer respectively, the bottom end of the guide rod is fixedly connected with the upper surface of the sliding disc, the upper surface of the lower limiting disc is fixedly connected with a first anti-skid washer, and the upper surface of the first anti-skid washer is in contact with the bottom surface of the base cloth layer.

[0011] As a further scheme of the present utility model: the bottom surface of the upper limiting disc is fixedly connected with a second anti-skid washer, and the bottom surface of the second anti-skid washer is in contact with the upper surface of the skin layer.

[0012] As a further scheme of the present utility model: the outer surface of the upper limiting disc is fixedly connected with a first anti-skid ring, and the outer surface of the first anti-skid ring is fixedly connected with a plurality of same first anti-skid convex columns.

[0013] As a further scheme of the present utility model: the outer surface of the receiving cylinder is fixedly connected with a second anti-skid ring, and the outer surface of the second anti-skid ring is fixedly connected with a plurality of same second anti-skid convex columns.

[0014] As a further scheme of the present utility model: the outer surface of the four-jaw hook is fixedly connected with four anti-skid sleeves, and the outer surface of each anti-skid sleeve is fixedly connected with a plurality of same anti-skid convex rings.

[0015] Compared with the prior art, the present utility model has the beneficial effects that:

[0016] The utility model discloses a skin layer, base cloth layer, adhesive layer, thread barrel, lower limit disc, protective soft cover, upper limit disc, storage cylinder, guide rod, four claw hook and the mutual cooperation of sliding disc, and thread barrel can pass through skin layer, base cloth layer and adhesive layer, and upper limit disc can be connected with thread barrel screw thread, plus the soft protection effect of protective soft cover, and further make the storage cylinder in thread barrel, guide rod, four claw hook and sliding disc can be stably assembled on the hole of the PU leather that skin layer, base cloth layer and adhesive layer constitute, and four claw hook can realize multi -angle suspension, and storage cylinder can be flexibly detached with thread barrel, and further make storage cylinder can prevent guide rod, four claw hook and sliding disc from contacting the hole on PU leather, thereby make four claw hook relative skin layer, base cloth layer and the connection of the PU leather that adhesive layer constitutes is very stable and the hole on PU leather that skin layer, base cloth layer and adhesive layer constitute is not easy to be damaged, play the role of increasing the durability of PU leather punching scene, avoid the problem that the durability of PU leather punching scene is affected when the hole is punched on it to increase the expansion function structure such as hook and the hook connection structure that does not affect its solid toughness. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic diagram of PU leather layer structure with hook;

[0018] Figure 2 It is adhesive layer three -dimensional structure schematic diagram in PU leather layer structure with hook;

[0019] Figure 3 It is four claw hook three -dimensional structure schematic diagram in PU leather layer structure with hook;

[0020] Figure 4 It is lower limit disc upside three -dimensional structure schematic diagram in PU leather layer structure with hook;

[0021] Figure 5 It is upper limit disc three -dimensional structure schematic diagram in PU leather layer structure with hook;

[0022] Figure 6 It is storage cylinder cut three -dimensional structure schematic diagram in PU leather layer structure with hook.

[0023] In the drawing: 1, skin layer;2, base cloth layer;3, adhesive layer;4, hook connection mechanism;401, thread barrel;402, lower limit disc;403, protective soft cover;404, upper limit disc;405, storage cylinder;406, guide rod;407, four claw hook;408, sliding disc;5, first antiskid washer;6, second antiskid washer;7, first antiskid ring;8, first antiskid boss;9, antiskid sleeve;10, antiskid boss ring;11, second antiskid ring;12, second antiskid boss. DETAILED DESCRIPTION

[0024] Please refer to Figures 1-6 The PU leather layer structure with hooks comprises a skin layer 1, a base cloth layer 2 arranged below the skin layer 1, a bonding layer 3 fixedly connected to the upper surface of the base cloth layer 2 and the bottom surface of the skin layer 1, and a hook connecting mechanism 4 arranged in the skin layer 1, the base cloth layer 2 and the bonding layer 3.

[0025] The outer surface of the threaded cylinder 401 is fixedly connected with a protective soft sleeve 403, the outer surface of the threaded cylinder 401 is threadedly connected with an upper limiting disc 404, the outer surface of the protective soft sleeve 403 is in contact with the inner walls of the skin layer 1, the base cloth layer 2 and the bonding layer 3 respectively, the bottom surface of the upper limiting disc 404 is fixedly connected with a second anti-skid washer 6, and the bottom surface of the second anti-skid washer 6 is in contact with the upper surface of the skin layer 1.

[0026] The inner wall of the threaded cylinder 401 is threadedly connected with a receiving cylinder 405, the outer surface of the upper limiting disc 404 is fixedly connected with a first anti-skid ring 7, the outer surface of the first anti-skid ring 7 is fixedly connected with a plurality of identical first anti-skid convex columns 8, the first anti-skid convex columns 8 can increase the anti-skid property of the outer surface of the first anti-skid ring 7, and the first anti-skid ring 7 and the first anti-skid convex columns 8 can jointly increase the anti-skid property of the outer surface of the upper limiting disc 404, thereby facilitating the smooth rotation of the upper limiting disc 404 relative to the threaded cylinder 401.

[0027] The inner part of the receiving cylinder 405 is slidably connected with a guide rod 406 and a sliding disc 408, the bottom end of the guide rod 406 is fixedly connected with the upper surface of the sliding disc 408, the outer surface of the receiving cylinder 405 is fixedly connected with a second anti-skid ring 11, the outer surface of the second anti-skid ring 11 is fixedly connected with a plurality of identical second anti-skid convex columns 12, the second anti-skid convex columns 12 can increase the anti-skid property of the outer surface of the second anti-skid ring 11, and the second anti-skid ring 11 and the second anti-skid convex columns 12 can jointly increase the anti-skid property of the outer surface of the receiving cylinder 405, thereby facilitating the smooth rotation of the receiving cylinder 405 relative to the threaded cylinder 401 and increasing the disassembly convenience of the receiving cylinder 405.

[0028] The top end of the guide rod 406 is fixedly connected with a four-prong hook 407, the outer surface of the four-prong hook 407 is fixedly connected with four anti-skid sleeves 9, the outer surface of each anti-skid sleeve 9 is fixedly connected with a plurality of same anti-skid convex rings 10, the anti-skid convex rings 10 can increase the anti-skid property of the outer surface of the anti-skid sleeve 9, and the anti-skid sleeve 9 and the anti-skid convex ring 10 can jointly increase the anti-skid property of the outer surface of the four-prong hook 407, so that the four-prong hook 407 is more stable when being used to hook external structures.

[0029] The working principle of the utility model is: in use, first, according to the diameter of the columnar structure formed by the threaded cylinder 401 and the protective sleeve 403, punch a hole with corresponding inner diameter on the PU leather formed by the skin layer 1, the base cloth layer 2 and the adhesive layer 3, then pass the threaded cylinder 401 through the skin layer 1, the base cloth layer 2 and the adhesive layer 3, and make the upper limit disc 404 threadedly connected with the threaded cylinder 401, and then add the soft protection effect of the protective sleeve 403, so that the storage cylinder 405, the guide rod 406, the four-prong hook 407 and the sliding disc 408 in the threaded cylinder 401 can be stably assembled in the hole punched on the PU leather formed by the skin layer 1, the base cloth layer 2 and the adhesive layer 3, then threadedly connect the storage cylinder 405 with the threaded cylinder 401, so that the storage cylinder 405 can prevent the guide rod 406, the four-prong hook 407 and the sliding disc 408 from directly contacting the hole punched on the PU leather, so that the connection of the four-prong hook 407 with the PU leather formed by the skin layer 1, the base cloth layer 2 and the adhesive layer 3 is very stable, and the hole punched on the PU leather formed by the skin layer 1, the base cloth layer 2 and the adhesive layer 3 is not easy to be damaged, which plays a role in increasing the durability of the PU leather punching scene, and when using the four-prong hook 407, the four-prong hook 407 can be pulled out relative to the storage cylinder 405, the use of the PU leather layer structure with a hook effectively solves the problem that the lack of hook connection structure without affecting the toughness of the PU leather leads to the hole punched on the PU leather to be easy to be damaged by external force, thereby affecting the durability of the PU leather punching scene.

[0030] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A PU leather layer structure with a hook, comprising a skin layer (1), characterized in that: The bottom of the skin layer (1) is provided with a base cloth layer (2), the upper surface of the base cloth layer (2) and the bottom surface of the skin layer (1) are fixedly connected with an adhesive layer (3), and the inside of the skin layer (1), the inside of the base cloth layer (2) and the inside of the adhesive layer (3) are provided with a hook connecting mechanism (4) in common. The hook connecting mechanism (4) comprises a threaded cylinder (401), the bottom end of the threaded cylinder (401) is fixedly connected with a lower limit disc (402), the outer surface of the threaded cylinder (401) is fixedly connected with a protective soft sleeve (403), the outer surface of the threaded cylinder (401) is threadedly connected with an upper limit disc (404), the inner wall of the threaded cylinder (401) is threadedly connected with a receiving cylinder (405), and the inside of the receiving cylinder (405) is slidably connected with a guide rod (406) and a sliding disc (408), and the top end of the guide rod (406) is fixedly connected with a four-jaw hook (407).

2. The PU leather structure with a hook according to claim 1, characterized in that: The outer surface of the protective soft sleeve (403) is in contact with the inner wall of the skin layer (1), the inner wall of the base cloth layer (2) and the inner wall of the adhesive layer (3) respectively, the bottom end of the guide rod (406) is fixedly connected with the upper surface of the sliding disc (408), the upper surface of the lower limit disc (402) is fixedly connected with a first anti-skid washer (5), and the upper surface of the first anti-skid washer (5) is in contact with the bottom surface of the base cloth layer (2).

3. The PU leather structure with a hook according to claim 1, characterized in that: The bottom surface of the upper limit disc (404) is fixedly connected with a second anti-skid washer (6), and the bottom surface of the second anti-skid washer (6) is in contact with the upper surface of the skin layer (1).

4. The PU leather structure with a hook according to claim 1, characterized in that: The outer surface of the upper limit disc (404) is fixedly connected with a first anti-skid ring (7), and the outer surface of the first anti-skid ring (7) is fixedly connected with a plurality of same first anti-skid convex columns (8).

5. The PU leather structure with a hook according to claim 1, characterized in that: The outer surface of the receiving cylinder (405) is fixedly connected with a second anti-skid ring (11), and the outer surface of the second anti-skid ring (11) is fixedly connected with a plurality of same second anti-skid convex columns (12).

6. The PU leather structure with a hook according to claim 1, characterized in that: The outer surface of the four-jaw hook (407) is fixedly connected with four anti-skid sleeves (9), and the outer surface of each anti-skid sleeve (9) is fixedly connected with a plurality of same anti-skid convex rings (10).

Citation Information

Patent Citations

  • High-wear-resistance waterproof PU leather structure

    CN217415155U