Fretsaw assembly with detachable key ring pull ring

Abstract

The utility model relates to the technical field of manual tools, in particular to a fretsaw assembly with a detachable key ring pull ring, which comprises a fretsaw main body, the key ring pull ring, a detachable connecting part and a packaging structure. The fretsaw body is composed of a high-strength metal wire, the key ring pull ring is matched with a standard key chain, the connecting part achieves rapid disassembly and assembly, and the packaging structure is a transparent plastic bag. Through portable design, durable material selection and multifunctional integration, the problems that a traditional fret saw is inconvenient to carry, prone to damage and single in function are solved. According to the fretsaw assembly, the portability, durability and practicability of the fretsaw assembly can be improved, and the fretsaw assembly is suitable for outdoor activities and emergency rescue scenes.

Description

A wire saw assembly with a detachable key ring pull tab Technical Field

[0001] This utility model belongs to the field of manual tool technology, specifically a wire saw assembly with a detachable key ring pull ring. Background Technology

[0002] In the field of hand tool technology, wire saw components, as a common cutting tool, are widely used in outdoor activities, emergency rescue, and routine maintenance. Traditional wire saws are typically equipped with a fixed pull ring to facilitate the operator's reciprocating sawing motion. However, the pull ring design of existing wire saw components is mostly a non-removable structure, which presents many inconveniences in practical use. For example, when carrying or storing, the fixed pull ring is prone to tangling or colliding with other items, increasing space occupation and the risk of damage. In addition, the traditional pull ring has a single function and cannot meet users' needs for multi-functional tools, such as using it as a key ring or other auxiliary uses. Although some existing wire saws have attempted to improve the pull ring design, they generally suffer from complex structures, inconvenient disassembly, or insufficient connection reliability, making it difficult to balance practicality and convenience. Therefore, developing a wire saw pull ring component that is simple in structure, easy to disassemble, and versatile in function has become a pressing technical challenge in the current hand tool field. Summary of the Invention

[0003] This invention addresses the shortcomings of existing wire saw components in terms of portability, durability, and multifunctionality by proposing a wire saw component with a detachable key ring pull tab. Through unique structural design and material selection, this wire saw component solves the technical problems of traditional wire saws being inconvenient to carry, easily damaged, and having limited functionality.

[0004] This utility model provides a wire saw assembly with a detachable key ring pull ring, including a wire saw body, a key ring pull ring, a detachable connecting component, and a packaging structure. Wherein:

[0005] The main body of the wire saw is composed of multiple slender metal wires, each possessing flexibility and sufficient strength to meet the requirements of bending into different shapes while maintaining cutting performance. Furthermore, the metal wires are made of stainless steel or high-strength alloy materials, with a tensile strength of not less than 800 MPa and a hardness ranging from HRC40 to HRC50, ensuring excellent durability and cutting efficiency during use.

[0006] Furthermore, the key ring pull tab is a circular metal ring with a diameter ranging from 20mm to 30mm, suitable for attachment to a standard keychain. The pull tab material matches the metal wire, using stainless steel or a high-strength alloy to ensure overall structural uniformity and mechanical strength. Specifically, the pull tab surface is polished to a roughness Ra value of less than 0.8μm to prevent scratching the user's fingers or clothing.

[0007] Specifically, the detachable connecting component is used to securely connect the metal wire to the pull ring, while allowing the user to quickly disassemble or replace the metal wire as needed. The connecting component is in the form of a metal buckle or clip, with an internal elastic groove ranging from 1mm to 2mm in width and 0.5mm to 1mm in depth to accommodate the diameter of the metal wire. Furthermore, the surface of the metal buckle or clip is coated with an anti-slip coating with a coefficient of friction greater than 0.6 to enhance stability during operation. The design of the connecting component allows the metal wire to be disassembled or installed manually with a force not exceeding 10N, simplifying the user's operation.

[0008] Furthermore, the wire saw assembly is encapsulated in a transparent plastic bag, the bag being 0.1mm to 0.2mm thick and made of polyethylene or polypropylene, providing good sealing and toughness. One side of the plastic bag has a heat-sealed edge, ranging from 5mm to 10mm in width, to ensure reliable sealing. In addition, product identification information, including but not limited to product name, material specifications, and production batch, is printed on the outer surface of the plastic bag for user identification and management.

[0009] In particular, the wire saw assembly of this utility model also includes design considerations for batch storage and transportation. Multiple wire saw assemblies are packed into a carton in a predetermined quantity. The inner wall of the carton is provided with a cushioning layer with a thickness ranging from 2mm to 5mm, made of foam plastic or corrugated cardboard, to reduce the impact of vibration and impact on the wire saw assemblies during transportation.

[0010] The beneficial effects of this invention are as follows: By combining the wire saw body with the key ring pull ring, users can directly hang the wire saw assembly on their keychain without taking up extra space, significantly improving portability. Furthermore, by incorporating detachable connecting parts, users can quickly replace or repair the metal wire according to actual needs, extending the product's lifespan. The metal wire and pull ring are made of stainless steel or high-strength alloy materials, maintaining reliable mechanical properties in harsh environments and enhancing durability. In addition, the wire saw assembly combines cutting and key ring functions, achieving a multi-functional design goal.

[0011] In particular, the transparent plastic bag packaging allows users to visually observe the internal structure and quantity of the wire saw components. Simultaneously, the airtight seal of the plastic bag effectively prevents the intrusion of dust and dirt, protecting the components' cleanliness. Mass production and shipping design further enhance the product's market competitiveness, making it suitable for a wide range of applications in outdoor activities, emergency rescue, and other scenarios.

[0012] In summary, this utility model, through detailed structural design and material selection, provides a simple, versatile, and easy-to-use detachable key ring pull ring wire saw assembly, which solves many defects in the prior art and demonstrates significant technological progress and practical value. Attached Figure Description

[0013] Figure 1 is a schematic diagram of the overall structure of the wire saw assembly of this utility model, showing the combined state of the wire saw body, key ring pull ring and detachable connecting parts;

[0014] Figure 2 is an exploded view of the wire saw assembly of this utility model;

[0015] Figure 3 is a schematic diagram of the encapsulation state of the wire saw assembly of this utility model.

[0016] The attached diagram is labeled as follows: 1. Wire saw body; 2. Key ring pull ring; 3. Detachable connecting parts; 4. Transparent plastic bag; 5. Heat-sealed edges. Detailed Implementation

[0017] This utility model relates to a wire saw assembly with a detachable key ring pull tab. Its design aims to address the shortcomings of existing wire saws in terms of portability, durability, and versatility through structural optimization and material selection. The specific embodiments of this utility model are described in detail below with reference to the accompanying drawings and reference numerals.

[0018] First, the overall structure of the wire saw assembly is shown in Figure 1, including the wire saw body 1, a key ring pull ring 2, a detachable connecting part 3, and a transparent plastic bag 4. The wire saw body 1 is composed of multiple thin, long metal wires. These wires are flexible and strong enough to be bent into different shapes while maintaining cutting performance. The metal wires are made of stainless steel or high-strength alloy materials with a tensile strength of not less than 800 MPa and a hardness range of HRC40 to HRC50. This material selection ensures that the wire saw possesses both excellent durability and efficient cutting capabilities during use. For example, in emergency rescue scenarios, the wire saw can quickly cut ropes or thin metal sheets, thereby helping trapped personnel escape danger.

[0019] The key ring pull tab 2 is a circular metal ring with a diameter ranging from 20mm to 30mm, suitable for attachment to standard keychains. The pull tab material matches the metal wire, using stainless steel or high-strength alloys to ensure overall structural consistency and mechanical strength. Notably, the pull tab surface is polished to a roughness Ra value of less than 0.8μm. This design not only enhances the aesthetic appeal but also prevents scratches to the user's fingers or clothing. For example, during everyday carrying, the pull tab will not damage clothing pockets or the interior of handbags due to its rough surface.

[0020] The detachable connecting component 3 securely connects the metal wire to the pull ring, allowing users to quickly remove or replace the wire as needed. The connecting component uses a metal buckle or clip with an internal elastic groove ranging from 1mm to 2mm in width and 0.5mm to 1mm in depth to accommodate different wire diameters. The buckle or clip has a non-slip coating with a coefficient of friction greater than 0.6, ensuring greater stability during operation. For example, if the wire wears or breaks due to prolonged use, users can manually remove or install it with a force not exceeding 10N, simplifying maintenance. Furthermore, this design allows the wire saw assembly to be flexibly adjusted in length or replaced with different types of wire according to actual needs, further enhancing the product's practicality.

[0021] A transparent plastic bag 4 is used to encapsulate the wire saw assembly. It is 0.1mm to 0.2mm thick and made of polyethylene or polypropylene, offering good sealing and toughness. One side of the plastic bag has a heat-sealed edge 5, ranging from 5mm to 10mm in width, to ensure reliable sealing. The outer surface of the plastic bag is printed with product identification information, including but not limited to the product name, material specifications, and production batch, facilitating user identification and management. For example, after purchase, users can quickly understand the basic characteristics of the product through the information on the plastic bag and easily classify and manage it during storage.

[0022] Figure 2 shows the disassembled state of the wire saw assembly, detailing the separation of the wire saw body 1, the key ring pull ring 2, and the detachable connecting part 3. As can be seen from the figure, the metal wire is tightly connected to the pull ring 2 via the detachable connecting part 3, forming a complete wire saw assembly. When the user needs to replace the metal wire, simply open the metal clip or clamp, remove the old metal wire, and insert the new metal wire to complete the replacement. This design significantly extends the service life of the wire saw assembly while also reducing the user's operating costs.

[0023] Figure 3 shows the wire saw assembly encapsulated in a transparent plastic bag 4. The transparent plastic bag allows users to visually observe the internal structure and quantity of the wire saw assembly, while the bag's seal effectively prevents dust and dirt from entering, protecting the assembly's cleanliness. For example, in outdoor scenarios, users can directly remove the wire saw assembly from the plastic bag for use without worrying about contamination or damage caused by external environmental factors.

[0024] The bulk storage and transportation design further enhances the product's market competitiveness. Multiple wire saw assemblies are packed in predetermined quantities into cartons with a cushioning layer on the inner wall, ranging from 2mm to 5mm in thickness, made of foam plastic or corrugated cardboard. This design reduces the impact of vibration and shock during transportation on the wire saw assemblies, ensuring the product arrives at the user's hands intact. For example, during long-distance transportation, the cushioning layer inside the carton absorbs external impact forces, preventing the wire saw assemblies from deforming or being damaged due to collisions.

[0025] This utility model's wire saw assembly combines cutting and keychain functions, achieving a multi-functional design. Users can directly attach the wire saw assembly to their keychains without taking up extra space, significantly improving portability. For example, during daily commutes or outdoor travel, users can carry the wire saw assembly with them to handle unexpected situations. Furthermore, the metal wire and pull ring of the wire saw assembly are made of stainless steel or high-strength alloy materials, maintaining reliable mechanical performance in harsh environments and enhancing durability. For example, the wire saw assembly can still function normally in humid or dusty environments without failing due to corrosion or wear.

[0026] Through the above structural design and material selection, this utility model provides a simple, versatile, and easy-to-use detachable key ring pull ring wire saw assembly. This assembly overcomes many shortcomings of existing technologies, demonstrating significant technological advancement and practical value. For example, in emergency rescue scenarios, the wire saw assembly can quickly cut obstacles, helping rescuers to rapidly deploy their forces; in outdoor activities, the wire saw assembly can serve as a backup tool, meeting various usage needs.

[0027] In summary, this utility model, through detailed structural design and material selection, provides a detachable key ring pull ring for wire saws, significantly improving its portability, durability, and versatility. This component is suitable for various applications, including but not limited to outdoor activities, emergency rescue, and routine maintenance, and has broad application prospects and market value.

Claims

1. A wire saw assembly with a detachable key ring pull ring, comprising a wire saw body (1), a key ring pull ring (2), a detachable connecting component (3), and a transparent plastic bag (4), characterized in that: The main body (1) of the wire saw is composed of multiple thin metal wires, each of which has flexibility and strength; the key ring pull ring (2) is a circular metal ring; the detachable connecting part (3) is used to realize the fixed connection between the main body (1) of the wire saw and the key ring pull ring (2) and allow quick disassembly; the transparent plastic bag (4) is used to encapsulate the wire saw assembly.

2. The wire saw assembly according to claim 1, characterized in that: The metal wire of the main body (1) of the wire saw is made of stainless steel or high-strength alloy material, with a tensile strength of not less than 800MPa and a hardness range of HRC40 to HRC50.

3. The wire saw assembly according to claim 2, characterized in that: The material of the key ring pull ring (2) is matched with the metal wire of the wire saw body (1), and the surface is polished with a roughness Ra value of less than 0.8μm.

4. The wire saw assembly according to claim 1, characterized in that: The detachable connecting component (3) is in the form of a metal buckle or clip, with an internal elastic groove ranging from 1 mm to 2 mm in width and from 0.5 mm to 1 mm in depth.

5. The wire saw assembly according to claim 4, characterized in that: The surface of the detachable connecting component (3) is coated with an anti-slip coating with a friction coefficient greater than 0.

6.

6. The wire saw assembly according to claim 1, characterized in that: The transparent plastic bag (4) is made of polyethylene or polypropylene material with a thickness ranging from 0.1 mm to 0.2 mm, and has a heat-sealed edge (5) on one side with a width ranging from 5 mm to 10 mm.

7. The wire saw assembly according to claim 6, characterized in that: The outer surface of the transparent plastic bag (4) is printed with product identification information, including product name, material specifications and production batch.

8. The wire saw assembly according to claim 1, characterized in that: Multiple wire saw components are packed into a carton in a predetermined quantity. The inner wall of the carton is provided with a cushioning layer with a thickness ranging from 2mm to 5mm, and the material is foam plastic or corrugated cardboard.

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