Double-beveled u-shaped staple row

Abstract

The utility model relates to a double-bevel U-shaped nail row belongs to fastening connector technical field, the cutting edge of each inserted pin bottom is formed by two symmetrical bevels, can rapidly cut off material fiber in the instant of nailing, forms a small pre-cut, like opening up the channel for the nail body itself, which greatly reduces the insertion resistance, makes the nailing process more labor-saving, smooth, effectively avoids the bending of nail foot, the reverse setting of the cutting chamfer of two inserted pins makes the lateral deviation force of two inserted pins be mutually counteracted when the nail body is subjected to axial impact force, the symmetrical mechanical design can lock the travel direction of the nail body firmly, effectively prevents the rotation or inclination of the nail body in the nailing process, ensures that the nail body is vertically and neatly nailed into the material, and improves the nailing precision and aesthetic degree.

Description

Technical Field

[0001] This utility model belongs to the field of fastener technology, specifically relating to a double-beveled U-shaped nail bar. Background Technology

[0002] U-shaped nails (or fasteners) are a type of high-efficiency fastener widely used in wood product assembly, packaging, and sealing. Traditional U-shaped nails typically have flat or unidirectional chamfered ends on their two prongs. When driven by a pneumatic or manual nail gun, these U-shaped nails rely primarily on pressure to push apart the material fibers rather than cutting them during insertion, resulting in high insertion resistance. This is especially problematic when driving into hardwoods, often leading to bent prongs, uneven insertion depth, or the nail failing to fully penetrate the material surface. Furthermore, when the two prongs have insufficient cutting power and are oriented in the same direction, the nail body is prone to deflection under high-speed impact, affecting nailing accuracy and strength. Summary of the Invention

[0003] The present invention aims to solve the technical problems existing in the prior art and provide a double-slanted U-shaped nail bar.

[0004] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a double-beveled U-shaped nail bar, comprising multiple nail bodies arranged side by side, each nail body comprising a hammering part and two prongs, the prongs being located on both sides of the hammering part and having a smooth arc transition, the nail body being U-shaped in general, the two prongs being arranged parallel to each other, and the two prongs being arranged perpendicular to the hammering part, the bottom of each of the two prongs being provided with a chamfer, the chamfers on the two prongs being arranged in opposite directions.

[0005] Preferably, the chamfer includes two beveled cut surfaces, which are symmetrically distributed at the bottom of the pin, forming a cutting edge at the joint.

[0006] Preferably, the nail body is bent into shape, and the cross-sectional shape is either circular or rectangular.

[0007] Preferably, two adjacent nails are arranged in opposite directions.

[0008] The beneficial effects of this invention are as follows: the cutting edge formed by two symmetrical bevels at the bottom of each pin can quickly cut the material fibers at the moment of insertion, forming a tiny pre-cut, which is like opening a channel for the pin itself. This greatly reduces the insertion resistance, making the nailing process more effortless and smooth, and effectively preventing the pin from bending;

[0009] The opposing chamfers on the two prongs ensure that the lateral offset forces acting on the two prongs cancel each other out when the nail is subjected to axial impact. This symmetrical mechanical design firmly locks the direction of the nail's movement, effectively preventing it from rotating or tilting during insertion, ensuring that the nail is driven vertically and neatly into the material, thus improving the nailing accuracy and aesthetics. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the nail body of this utility model;

[0011] Figure 2 This is a schematic diagram of the structure of this utility model.

[0012] In the diagram: 1. Nail body; 2. Hammering part; 3. Insert; 4. Chamfer; 5. Bevel; 6. Cutting edge. Detailed Implementation

[0013] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0014] Example: A double-slanted U-shaped nail bar, such as Figures 1-2 As shown, the device includes multiple nail bodies 1 arranged side by side. Each nail body 1 includes a hammering part 2 and two prongs 3. The prongs 3 are located on both sides of the hammering part 2 and have a smooth arc transition. The nail body 1 is U-shaped. The two prongs 3 are arranged parallel to each other and perpendicular to the hammering part 2. The bottom of each prong 3 is provided with a chamfer 4, and the chamfers 4 on the two prongs 3 are arranged in opposite directions. The chamfer 4 includes two beveled surfaces 5, which are symmetrically distributed at the bottom of the prongs 3, forming a cutting edge 6 at the joint. The nail body 1 is bent into shape, and the cross-sectional shape is either circular or rectangular. Adjacent nail bodies 1 are arranged in opposite directions.

[0015] The principle of this invention: Please refer to [link / reference needed]. Figures 1 to 2 The double-angled U-shaped nail bar provided by this utility model is formed by bonding and fixing multiple nail bodies 1 side by side in the front-to-back direction with adhesive (or welding points); see also Figure 1 Each nail body 1 is made of metal wire bent into a U shape, including a horizontal hammer part 2 and two vertical prongs 3. The connection is a smooth arc transition. At the bottom of each prong 3, there is a chamfer 4. The chamfer 4 is composed of two symmetrical chamfers 5. The two chamfers 5 intersect at the center of the bottom end of the prong to form a sharp cutting edge 6.

[0016] The core of this utility model lies in the fact that the chamfered edges 4 at the bottom of the two prongs 3 on the same nail body 1 face opposite directions. For example, the cutting edge 6 of the left prong faces the front of the nail body (i.e., the area between the two prongs), while the cutting edge 6 of the right prong faces the rear of the nail body; furthermore, as... Figure 1 As shown, in the entire row of nails, adjacent nails 1 are arranged with opposite orientations. This staggered arrangement structure ensures that the entire row of nails is subjected to balanced forces in the lateral direction, making it more stable when running in the nail gun.

[0017] In use, the nail bar of this utility model is installed into a suitable nail gun. When fired, the firing pin of the nail gun impacts the hammer 2, driving the nail body 1 into the material. The sharp cutting edge 6 at the bottom of the two prongs 3 can instantly cut the fiber, and the reverse chamfer design balances the lateral force, ensuring that the nail body is driven in straight and smoothly, ultimately forming a strong and beautiful connection.

[0018] Finally, it should be noted that the above embodiments are merely representative examples of this utility model. Obviously, this utility model is not limited to the above embodiments and can have many variations. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model should be considered to fall within the protection scope of this utility model.

Claims

1. A double-angled U-shaped nail bar, comprising multiple nail bodies (1) arranged side-by-side, each nail body (1) including a hammering part (2) and two prongs (3), characterized in that: The pins (3) are located on both sides of the hammering part (2) and have a smooth arc transition. The nail body (1) is U-shaped. The two pins (3) are arranged parallel to each other and the two pins (3) are arranged perpendicular to the hammering part (2). The bottom of the two pins (3) is provided with a chamfer (4). The chamfers (4) on the two pins (3) are arranged in opposite directions.

2. The double-beveled U-shaped nail bar according to claim 1, characterized in that: The chamfer (4) includes two chamfers (5), which are symmetrically distributed at the bottom of the pin (3) to form a cutting edge (6) at the joint.

3. The double-beveled U-shaped nail bar according to claim 1, characterized in that: The nail body (1) is bent into shape as a whole, and the cross-sectional shape is either circular or rectangular.

4. A double-beveled U-shaped nail bar according to claim 1, characterized in that: The two adjacent nail bodies (1) are set in opposite directions.

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