Combined hook-and-loop wool top with adjustable length

Through the innovative design of the modular barb strip, the combination of components such as the fixing frame, bandage, and pull block enables rapid adjustment of the barb strip length, solving the problem of inconvenient length adjustment, improving the flexibility of use and work efficiency, and making it suitable for the rapid installation and removal of automotive parts.

CN223979509UActive Publication Date: 2026-03-10QUANZHOU HONGNUO NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

The existing adjustable length modular barbs are inconvenient to adjust in length during use, and cannot be adjusted quickly, resulting in low efficiency and failing to meet rapidly changing work requirements.

Method used

The design employs a combination of a fixed frame, bandages, connecting blocks, barbed strips, bandages, connecting blocks, limiting posts, pressure plates, springs, and pull blocks. The length of the barbed strips can be quickly adjusted by simply operating the pull blocks, achieving both flexibility and efficiency.

Benefits of technology

It improves the flexibility and efficiency of burr strips, enabling them to quickly adapt to various changing work scenarios, saving time and costs, and is suitable for the disassembly and replacement of automotive parts.

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Abstract

The utility model discloses a length-adjustable combined hook-and-loop fastener, which relates to the technical field of textile materials and products and comprises a fixing frame, a second groove and a third groove are arranged in the fixing frame, the second groove is positioned above the third groove, and first grooves are symmetrically arranged on the inner wall of the second groove; the pressing plate is arranged in the second grooves, springs are symmetrically and fixedly installed at the top of the pressing plate, a plurality of limiting blocks are symmetrically and fixedly installed at the bottom of the pressing plate, pulling blocks are fixedly installed on the front side and the rear side of the pressing plate, the two pulling blocks extend into the two first grooves correspondingly, and the ends, away from each other, of the two pulling blocks penetrate through the front side and the rear side of the fixing frame correspondingly and extend to the outside; the first bandage and the second bandage are arranged in the third groove, the length of the hook-and-loop fastener can be easily and rapidly adjusted according to actual requirements, the use flexibility of the hook-and-loop fastener is improved through the design, the working efficiency is greatly improved, and the hook-and-loop fastener can better adapt to various rapidly-changed working scenes.
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Description

Technical Field

[0001] This utility model specifically relates to an adjustable length combined barb strip, belonging to the technical field of textile materials and products. Background Technology

[0002] A bristle strip is a strip-shaped textile product that achieves quick connection or fixation through a special surface structure. It typically consists of two parts: a looped side and a hooked side. When the two sides come into contact, the hooks and loops interlock to create an adhesive force, similar to the principle of Velcro. However, its structure and applications are potentially more flexible and diverse. Bristle strips are used for the quick installation and removal of seat covers, facilitating cleaning or replacement. For example, headrest covers and seat cushions in some car models are fixed to the seat frame using bristle strips, avoiding the cumbersome operation of traditional buckles or sewing.

[0003] Currently, most existing adjustable-length modular barbs on the market suffer from the following shortcomings: the length adjustment is inconvenient, making it impossible to quickly adjust to the appropriate length according to actual needs. This results in low efficiency in practical applications and an inability to meet rapidly changing work requirements. Therefore, we propose an adjustable-length modular barb. Utility Model Content

[0004] To overcome the technical defects of the existing technology, this utility model provides a combined barb strip with adjustable length.

[0005] The technical solution adopted by this utility model is as follows: it includes a fixed frame, in which a second groove and a third groove are provided, the second groove is located above the third groove, and a first groove is symmetrically provided on the inner wall of the second groove;

[0006] A pressure plate is set in the second slot. A spring is symmetrically fixedly installed on the top of the pressure plate, and several limiting blocks are symmetrically fixedly installed on the bottom of the pressure plate. Pull blocks are fixedly installed on both the front and rear sides of the pressure plate. Two pull blocks extend into the two first slots respectively. The ends of the two pull blocks that are far apart from each other pass through the front and rear sides of the fixed frame and extend to the outside.

[0007] Bandage 1, the bandage 1 is set in the groove 3, one end of the bandage 1 extends through one side of the fixed frame to the outside and is fixedly installed with a connecting block 1, and the top of the connecting block 1 is fixedly installed with a barbed strip.

[0008] Bandage 2 is disposed in groove 2 and located directly below several limiting blocks. One end of bandage 2 passes through one side of the fixed frame and is fixedly installed with a limiting post. The other end of bandage 2 passes through the other side of the fixed frame and extends to the outside and is fixedly installed with connecting block 2. The bottom surface of connecting block 2 is fixedly installed with a bristle strip.

[0009] When used as a whole device, consisting of a fixed frame, bandage one, connecting block one, barbed strip barbed surface, bandage two, connecting block two, barbed strip rough surface, limiting post, pressure plate, spring, limiting block, and pull block, the length of the barbed strip can be easily and quickly adjusted according to actual needs. This design not only improves the flexibility of the barbed strip but also greatly enhances work efficiency, enabling it to better adapt to various rapidly changing work scenarios.

[0010] Preferably, the pressure plate is slidably connected to the second groove to ensure that the pressure plate can slide normally in the second groove.

[0011] Preferably, the top end of the spring is fixed to the inner top surface of the second groove to ensure the structural stability of the spring and the second groove.

[0012] Preferably, the pull block is slidably connected to the slot to ensure that the pull block can slide normally within the slot.

[0013] Preferably, the first bandage and the third groove are tightly sewn together to ensure the structural stability of the first bandage and the third groove.

[0014] Preferably, the second bandage and the second groove are slidably connected to ensure that the second bandage can slide normally in the second groove.

[0015] Preferably, the length of the limiting post is greater than the length of the second groove.

[0016] The beneficial effects of this utility model are as follows: This adjustable-length modular bristle strip is ingeniously and practically designed. It is mainly composed of a fixed frame, a first bandage, a first connecting block, the bristle strip's bristle surface, a second bandage, a second connecting block, the bristle strip's rough surface, a limiting post, a pressure plate, a spring, a limiting block, and a pull block, all working together. In actual use, operators can easily and quickly adjust the length of the bristle strip simply by operating the pull block. This innovative design greatly overcomes the limitations of traditional fixed-length bristle strips, significantly improving their flexibility. It can handle the bonding and fixing needs of objects of different sizes with ease, or adapt to various rapidly changing work scenarios. Workers no longer need to worry about unsuitable bristle strip lengths, enabling them to complete tasks more efficiently, thus greatly improving overall work efficiency and bringing great convenience to related industries. The bristle strip is installed using a simple pasting or sewing method, requiring no complex tools or techniques, saving time and costs. It is reusable, facilitating the disassembly and replacement of automotive parts and improving maintenance efficiency.

[0017] The barbed surface is made of nylon 6 material, which is suitable for long-term use in the automotive environment due to its high strength, good wear resistance, and chemical corrosion resistance. The bristle surface is woven from nylon fibers, which is soft and can be tightly bonded to the hook surface to provide a reliable fixing effect. The hook surface and bristle surface are tightly mechanically combined to provide strong fixing force, ensuring that automotive parts are firmly fixed in the designated position and are not easy to loosen or fall off. The nylon and polyester materials have excellent wear resistance, aging resistance and chemical corrosion resistance, which can maintain stable performance for a long time in the harsh automotive environment and extend service life. Attached Figure Description

[0018] Figure 1 This is one of the overall structural schematic diagrams of this utility model;

[0019] Figure 2 This is the second schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is one of the detailed structural diagrams of the internal structure of the fixed frame in this utility model;

[0021] Figure 4 This utility model Figure 3 A schematic diagram of the enlarged structure A in the diagram;

[0022] Figure 5 This is the second detailed structural diagram of the internal structure of the fixed frame in this utility model;

[0023] Figure 6 This is a cross-sectional view of the fixed frame structure in this utility model.

[0024] Explanation of reference numerals in the attached drawings: 1. Fixed frame; 2. Groove 1; 3. Groove 2; 4. Groove 3; 5. Bandage 1; 6. Connecting block 1; 7. Barbed surface of the barbed strip; 8. Bandage 2; 9. Connecting block 2; 10. Barbed surface of the barbed strip; 11. Limiting post; 12. Pressure plate; 13. Spring; 14. Limiting block; 15. Pulling block. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings:

[0026] As shown in the figure, this embodiment provides an adjustable-length modular barb strip.

[0027] This embodiment includes:

[0028] A fixed frame 1 has a second slot 3 and a third slot 4 inside the fixed frame 1. The second slot 3 is located above the third slot 4. A first slot 2 is symmetrically opened on the inner wall of the second slot 3.

[0029] Pressure plate 12 is set in slot 2 3. Springs 13 are symmetrically fixedly installed on the top of pressure plate 12. Several limiting blocks 14 are symmetrically fixedly installed on the bottom of pressure plate 12. Pull blocks 15 are fixedly installed on both the front and rear sides of pressure plate 12. Two pull blocks 15 extend into two slots 1 2 respectively. The ends of the two pull blocks 15 that are far apart from each other pass through the front and rear sides of the fixed frame 1 and extend to the outside.

[0030] Bandage 5 is set in the groove 3 4. One end of the bandage 5 extends through one side of the fixed frame 1 to the outside and is fixedly installed with a connecting block 6. The top of the connecting block 6 is fixedly installed with a barbed strip 7.

[0031] Bandage 2 8 is set in groove 2 3 and located directly below several limiting blocks 14. One end of bandage 2 8 passes through one side of fixed frame 1 and is fixedly installed with limiting post 11. The other end of bandage 2 8 passes through the other side of fixed frame 1 and extends to the outside and is fixedly installed with connecting block 2 9. The bottom surface of connecting block 2 9 is fixedly installed with barbed strip surface 10.

[0032] When the entire device is used in conjunction with the fixed frame 1, bandage 1 5, connecting block 1 6, barbed strip surface 7, bandage 2 8, connecting block 2 9, barbed strip surface 10, limiting post 11, pressure plate 12, spring 13, limiting block 14, and pull block 15, the length of the barbed strip can be easily and quickly adjusted according to actual needs. Operators can easily and quickly adjust the length of the barbed strip by simply operating the pull block. This design not only improves the flexibility of the barbed strip but also greatly enhances work efficiency, enabling it to better adapt to various rapidly changing work scenarios.

[0033] In this embodiment, the pressure plate 12 is slidably connected to the groove 3.

[0034] Among them, it is ensured that the pressure plate 12 can slide normally in the groove 2 3.

[0035] In this embodiment, the top end of the spring 13 is fixed to the inner top surface of the groove 2 3.

[0036] Among these measures, it is essential to ensure the structural stability of spring 13 and slot 2 3.

[0037] In this embodiment, the pull block 15 is slidably connected to the slot 2.

[0038] This ensures that the pull block 15 can slide normally within the slot 2.

[0039] In this embodiment, bandage 5 and groove 4 are tightly sewn together.

[0040] Among them, ensuring the structural stability of bandage 5 and groove 4 is crucial.

[0041] In this embodiment, bandage 2 8 and groove 2 3 are slidably connected.

[0042] Among them, it is ensured that the second bandage 8 can slide normally in the second groove 3.

[0043] In this embodiment, the length of the limiting post 11 is greater than the length of the groove 3.

[0044] Among them, it is ensured that the second bandage 8 will not slip out of the second groove 3.

[0045] In this embodiment, the barbed surface 7 of the barb strip is made of nylon 6 material, which is suitable for long-term use in the automotive environment due to its high strength, good wear resistance and chemical corrosion resistance.

[0046] The 10th layer of the nylon strip is woven from nylon fibers, making it soft and tightly bonded to the hook side for reliable fastening. The tight mechanical connection between the hook and strip provides strong holding force, ensuring automotive parts (such as seat covers, carpets, and trim strips) are securely fixed in place, preventing loosening or detachment. Nylon and polyester materials offer excellent abrasion resistance, aging resistance, and chemical corrosion resistance, maintaining stable performance and extending service life in harsh automotive environments. Nylon 6 has high tensile strength and impact toughness, capable of withstanding significant external forces without easily breaking. It is suitable for manufacturing high-load mechanical parts and can be processed into complex shapes using injection molding, extrusion, blow molding, and other molding processes to meet diverse product design requirements. Nylon 6 exhibits good resistance to greases, fuels, solvents, and other chemicals, making it suitable for manufacturing parts in the automotive and electronics industries. Nylon fiber has strength close to that of steel wire but weighs only a fraction of it, making it suitable for manufacturing high-strength, lightweight products.

[0047] Nylon fibers have a smooth surface, low coefficient of friction, and excellent wear resistance, making them suitable for manufacturing parts that require frequent friction, such as drive belts and brushes. Nylon fibers also exhibit good resistance to chemicals such as acids, alkalis, and oils, making them suitable for use in harsh environments. Furthermore, nylon fibers are recyclable, reducing resource waste and aligning with the requirements of sustainable development.

[0048] Working principle: When the length of the overall device needs to be adjusted to suit different usage requirements, the operation process is very simple. Simply pull both pull blocks 15 upwards simultaneously with both hands. Under the action of force, these two pull blocks 15 begin to move upwards. Since the pull blocks 15 are connected to the pressure plate 12, the upward movement of the pull blocks 15 will also cause the pressure plate 12 to move upwards along with them. As the pressure plate 12 rises, it will exert a compressive force on the two springs 13. The springs 13, after being compressed, begin to contract, accumulating a significant elastic force in the process.

[0049] As spring 13 contracts, the limiting blocks 14 that originally compressed and fixed bandage 2 8 no longer exert pressure on it due to the loss of pressure from pressure plate 12. This allows bandage 2 8 to slide freely left and right within groove 2 3. At this point, the operator can control the direction of movement of bandage 2 8 according to actual needs. When bandage 2 8 is moved closer to bandage 1 5, the overall length of the bristles shortens accordingly; conversely, when bandage 2 8 is moved away from bandage 1 5, the overall length of the bristles lengthens. This design, which allows for easy and quick adjustment of the bristle length according to actual needs, not only greatly improves the flexibility of using the bristles but also allows operators to quickly adapt to various rapidly changing work scenarios, significantly improving work efficiency.

[0050] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications may be made to this utility model without departing from the spirit and scope of the invention. All such changes and modifications fall within the scope of the invention as claimed, which is defined by the appended claims and their equivalents.

Claims

1. A length-adjustable combined set of bristles, characterized in that: Include: Fixed frame (1), the fixed frame (1) is provided with groove two (3) and groove three (4), groove two (3) is located above groove three (4), the inner wall of groove two (3) is provided with groove one (2) symmetrically; Pressing plate (12), the pressing plate (12) is provided in groove two (3), the top of the pressing plate (12) is fixedly provided with spring (13) symmetrically, the bottom of the pressing plate (12) is fixedly provided with a plurality of limiting blocks (14), the front and rear sides of the pressing plate (12) are fixedly provided with pull block (15), two pull blocks (15) extend into two grooves (2) respectively, and the ends of the two pull blocks (15) away from each other respectively penetrate through the front and rear sides of the fixed frame (1) and extend to the outside; Bandage one (5), the bandage one (5) is provided in groove three (4), one end of the bandage one (5) extends to the outside through one side of the fixed frame (1) and is fixedly provided with connecting block one (6), the top of the connecting block one (6) is fixedly provided with bristle strip face (7); Bandage two (8), the bandage two (8) is provided in groove two (3) and located below a plurality of limiting blocks (14), one end of the bandage two (8) penetrates through one side of the fixed frame (1) and is fixedly provided with limiting column (11), the other end of the bandage two (8) extends to the outside through the other side of the fixed frame (1) and is fixedly provided with connecting block two (9), the bottom surface of the connecting block two (9) is fixedly provided with bristle strip face (10).

2. The length-adjustable combination seta strip according to claim 1, wherein: The pressing plate (12) is slidably connected with groove two (3).

3. The length-adjustable combination seta strip according to claim 1, wherein: The top end of the spring (13) is fixed to the inner top surface of groove two (3).

4. The length-adjustable combination seta strip according to claim 1, wherein: The pull block (15) is slidably connected with groove one (2).

5. The length-adjustable combination seta strip of claim 1, wherein: The bandage one (5) and groove three (4) are tightly sewn.

6. The length-adjustable combination seta strip of claim 1, wherein: The bandage two (8) and groove two (3) are slidably connected.

7. The length-adjustable combination seta strip of claim 1, wherein: The length of the limiting column (11) is greater than the length of groove two (3).