A metal snap fastener

Abstract

This application discloses a metal button fastener, belonging to the field of fastening technology. The metal button fastener includes a metal button component with a through hole. An extension block is slidably inserted into the through hole. A threaded block is fixedly connected to the lower end of the extension block. An internal threaded ring is rotatably connected to the outer wall of the threaded block via a thread. A fixing block is fixedly connected to the lower end of the internal threaded ring. A threaded cap is provided below the fixing block. The lower end of the fixing block extends into an insertion opening. A frustum-shaped guide block on the base plate can precisely slide into the extension hole, providing guidance to ensure component alignment. During the tightening of the threaded cap, the spring is compressed, generating an elastic reaction force, enhancing the tightness of the connection between the fixing block and the base plate. Simultaneously, a flexible metal sheet bends and is stuck inside the threaded cap under the pressure of the guide block, further restricting relative movement of the components and preventing the threaded cap from loosening. Combined with the elastic buffer of the spring, this achieves stable clamping of the object to be fastened.

Description

Technical Field

[0001] This application relates to the field of fastening technology, and more specifically, to a metal button fastener. Background Technology

[0002] Metal button fasteners are metal connecting and fixing accessories used for clothing, bags, shoes, hats, and other items. They enable detachable connection of item parts through snapping or clamping. They are compatible with fabrics or components of different thicknesses and materials, and have good load-bearing capacity and durability. Different styles and sizes can be selected according to the needs of the usage scenario. They not only serve to fix items and ensure ease of use, but also serve as decorative elements to enhance the appearance and texture of items. They are widely used in clothing manufacturing, leather processing, outdoor product production and other fields.

[0003] In practice, metal button fasteners are difficult to install. Not only is it difficult to quickly assemble the components, but after installation, the lack of an effective anti-loosening structure makes the metal buttons prone to loosening, resulting in insufficient clamping stability. At the same time, when disassembly is required, it often requires complicated procedures to separate the components, which makes it inconvenient for the convenient use and stable clamping of metal button fasteners. Utility Model Content

[0004] The purpose of this application is to provide a metal button fastener that solves the technical problems mentioned in the background art.

[0005] This application provides a metal button fastener, including a metal button component. The metal button component has a through hole, and an extension block is slidably inserted into the through hole. A threaded block is fixedly connected to the lower end of the extension block. An internal threaded ring is rotatably connected to the outer wall of the threaded block via a thread. A fixing block is fixedly connected to the lower end of the internal threaded ring. A threaded cover is provided below the fixing block. A base plate is rotatably connected to the lower end of the fixing block via a thread. Multiple bendable flexible metal sheets are fixedly connected to the periphery of the lower end face of the fixing block.

[0006] Optionally, a limiting plate is fixedly connected to the upper end of the extension block.

[0007] Optionally, a guide block is fixedly connected to the upper end surface of the base plate, and the guide block is in the shape of a frustum.

[0008] Optionally, the upper end face of the guide block is provided with a mounting groove, and a spring is fixedly connected inside the mounting groove.

[0009] Optionally, the lower end face of the fixing block is provided with an extension hole, the upper end of the guide block is located in the extension hole, and the upper end of the spring is in contact with the upper part of the extension hole.

[0010] Optionally, the upper end face of the threaded cap is provided with an insertion opening, the lower end of the fixing block extends into the insertion opening, and the tough metal sheet is located inside the threaded cap.

[0011] One or more technical solutions provided in this application have at least the following technical effects or advantages:

[0012] This application utilizes a fixing block whose lower end extends into the insertion port. The frustum-shaped guide block of the base plate can precisely slide into the extension hole, serving as a guide to ensure component alignment. During the tightening of the threaded cap, the spring is compressed, generating an elastic reaction force that enhances the tightness of the connection between the fixing block and the base plate. Simultaneously, the flexible metal sheet bends and locks into the threaded cap under the pressure of the guide block, further restricting relative movement of the components and preventing the threaded cap from loosening. Combined with the elastic buffer of the spring, this achieves a stable clamping of the object to be fixed.

[0013] During disassembly, rotate the threaded cover in the opposite direction to separate it from the base plate. The spring will return to its original deformation, and the flexible metal sheet can be straightened to remove the threaded cover. Then, rotate the inner threaded ring in the opposite direction to remove the extension block. The operation is convenient and the overall design balances clamping stability and usage flexibility, making it easy for users to use quickly and improving the effectiveness of the device. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the metal button fastener disclosed in the embodiments of this application;

[0015] Figure 2 This is a cross-sectional view of the metal button fastener disclosed in the embodiments of this application;

[0016] Figure 3 This is a schematic diagram of the external structure of the metal button fastener fixing block disclosed in the embodiments of this application;

[0017] The following are the labels in the diagram: 1. Metal button; 2. Through hole; 3. Extension block; 4. Threaded block; 5. Limiting plate; 6. Internal threaded ring; 7. Fixing block; 8. Threaded cap; 9. Base plate; 10. Guide block; 11. Mounting groove; 12. Spring; 13. Tough metal sheet; 14. Extension hole; 15. Insertion port. Detailed Implementation

[0018] The present application will be further described in detail below with reference to the accompanying drawings.

[0019] Reference Figures 1-3This application provides a metal button fastener, including a metal button 1. A through hole 2 is provided inside the metal button 1. An extension block 3 is slidably inserted into the through hole 2. A threaded block 4 is fixedly connected to the lower end of the extension block 3. A limiting plate 5 is fixedly connected to the upper end of the extension block 3. An internal threaded ring 6 is rotatably connected to the outer wall of the threaded block 4 through the thread. A fixing block 7 is fixedly connected to the lower end of the internal threaded ring 6. The limiting plate 5 of the extension block 3 is stuck at the upper end of the through hole 2. After the threaded block 4 extends out, it engages with the internal threaded ring 6 through the thread, which can tightly clamp the object to be fixed between the metal button 1 and the fixing block 7, and the initial fixation is reliable.

[0020] A threaded cap 8 is located below the fixing block 7. A base plate 9 is connected to the bottom of the threaded cap 8 via a threaded connection. Multiple flexible metal sheets 13 are fixedly connected to the periphery of the lower end face of the fixing block 7. A guide block 10 is fixedly connected to the upper end face of the base plate 9. The guide block 10 is frustoconical in shape and has a mounting groove 11 on its upper end face. A spring 12 is fixedly connected inside the mounting groove 11. An extension hole 14 is provided on the lower end face of the fixing block 7. The upper end of the guide block 10 is located inside the extension hole 14, and the upper end of the spring 12 is in contact with the upper part of the extension hole 14. An insertion opening 15 is provided through the upper end face of the threaded cap 8. The lower end of the fixing block 7 extends into the insertion opening 15, and the flexible metal sheets 13 are located inside the threaded cap 8. By extending the lower end of the fixing block 7 into the insertion opening 15, the frustoconical guide block 10 of the base plate 9 can slide precisely into the extension hole 14, playing a guiding role to ensure the alignment of the components.

[0021] During the tightening process of the threaded cap 8, the spring 12 is compressed to generate an elastic reaction force, which enhances the tightness of the connection between the fixing block 7 and the base plate 9. The tough metal sheet 13 is bent and stuck in the threaded cap 8 under the pressure of the guide block 10, further restricting the relative movement of the components and preventing the threaded cap 8 from loosening. With the elastic buffer of the spring 12, the object to be fixed is firmly clamped.

[0022] During disassembly, rotate the threaded cover 8 in the opposite direction to separate it from the base plate 9. The spring 12 will return to its original deformation, and the flexible metal sheet 13 can be straightened to remove the threaded cover 8. Then, rotate the inner threaded ring 6 in the opposite direction to remove the extension block 3. The operation is convenient and takes into account both clamping stability and usage flexibility, making it easy for users to use quickly and improving the effectiveness of the device.

[0023] Working principle: Place the fabric or component to be fixed between the metal button 1 and the threaded cap 8. First, insert the extension block 3 into the upper end of the through hole 2 of the metal button 1. The limiting plate 5 at the upper end of the extension block 3 is locked into the upper end of the through hole 2, while the threaded block 4 at the lower end of the extension block 3 extends out from the lower end of the through hole 2. Next, put the internal threaded ring 6 on the outer wall of the threaded block 4. Rotate the internal threaded ring 6, and the internal threaded ring 6 is installed on the threaded block 4 through the threaded engagement, thereby clamping the object to be fixed between the metal button 1 and the fixing block 7.

[0024] Then, pick up the threaded cap 8 and align the lower end of the fixing block 7 with the insertion port 15 at the upper end of the threaded cap 8. Extend the lower end of the fixing block 7 into the insertion port 15. At this time, the tough metal sheet 13 on the outer periphery of the lower end face of the fixing block 7 is inside the threaded cap 8. Then align the threaded cap 8 with the base plate 9 and rotate the threaded cap 8. Through the threaded engagement, the threaded cap 8 and the base plate 9 are gradually connected. During the connection process between the threaded cap 8 and the base plate 9, the frustum-shaped guide block 10 on the upper end face of the base plate 9 gradually slides into the extension hole 14 at the lower end of the fixing block 7. The frustum structure of the guide block 10 plays a guiding role, ensuring that the fixing block 7 and the base plate 9 are accurately aligned. As the threaded cap 8 continues to tighten, the spring 12 in the mounting groove 11 at the upper end of the guide block 10 is compressed. The upper end of the spring 12 contacts the upper part of the extension hole 14, generating an elastic reaction force, which enhances the tightness of the connection between the fixing block 7 and the base plate 9.

[0025] Meanwhile, the tough metal sheet 13 bends under the pressure of the outer wall of the guide block 10. The bent tough metal sheet 13 is stuck in the threaded cover 8, further restricting the relative movement between the fixing block 7 and the threaded cover 8, and preventing the threaded cover 8 from loosening. With the deformation limit of the tough metal sheet 13 and the elastic buffer of the spring 12, the object to be fixed is firmly clamped, and the fastening function of the metal button fastener is completed.

[0026] If disassembly is required, rotate the threaded cover 8 in the reverse direction to separate the threaded cover 8 from the base plate 9. The guide block 10 will disengage from the extension hole 14, and the spring 12 will return to its original deformation. Manually straighten the flexible metal sheet 13 to remove the threaded cover 8 from the fixing block 7. Then, rotate the internal threaded ring 6 in the reverse direction to separate the internal threaded ring 6 from the fixing block 7 and the threaded block 4. Loosen the object to be fixed, and finally remove the extension block 3 from the through hole 2 to complete the disassembly.

[0027] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A metal button fastener, comprising a metal button (1), characterized in that: The metal button (1) has a through hole (2) inside. An extension block (3) is slidably inserted into the through hole (2). A threaded block (4) is fixedly connected to the lower end of the extension block (3). An internal threaded ring (6) is rotatably connected to the outer wall of the threaded block (4) through a thread. A fixing block (7) is fixedly connected to the lower end of the internal threaded ring (6). A threaded cover (8) is provided below the fixing block (7). A base plate (9) is rotatably connected to the lower end of the threaded cover (8) through a thread. Multiple bendable tough metal sheets (13) are fixedly connected to the outer periphery of the lower end face of the fixing block (7).

2. The metal button fastener according to claim 1, characterized in that: The upper end of the extension block (3) is fixedly connected to a limiting plate (5).

3. The metal button fastener according to claim 1, characterized in that: A guide block (10) is fixedly connected to the upper end face of the base plate (9), and the guide block (10) is in the shape of a frustum.

4. The metal button fastener according to claim 3, characterized in that: The upper end face of the guide block (10) is provided with a mounting groove (11), and a spring (12) is fixedly connected inside the mounting groove (11).

5. The metal button fastener according to claim 4, characterized in that: The lower end face of the fixing block (7) is provided with an extension hole (14), the upper end of the guide block (10) is located in the extension hole (14), and the upper end of the spring (12) is in contact with the upper part of the extension hole (14).

6. The metal button fastener according to claim 1, characterized in that: The upper end face of the threaded cap (8) is provided with an insertion opening (15), the lower end of the fixing block (7) extends into the insertion opening (15), and the tough metal sheet (13) is located inside the threaded cap (8).

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