Elliptical structure line

Abstract

The utility model relates to the technical field of structural wires, and discloses an elliptical structural wire, which comprises an elliptical outer layer, a core wire is fixedly arranged in the outer layer, the core wire is positioned on the innermost layer of the elliptical structural wire, the core wire is of a core steel belt structure, the width of the elliptical structural wire is 1.0 mm-4. 0mm, and the thickness of the elliptical structural wire is 0.8 mm-2. 5mm. According to the elliptical structural wire, the rectangular or elliptical core wire structure is adopted to provide enough support and have a good supporting area, the outer layer is wrapped outside the core wire, and the outer layer is uniformly wrapped on the core wire, so that the safety of a steel belt is ensured, the strength and the elasticity of the structural wire are increased, and the forming effect of the structural wire is improved; the core wire is resistant to high temperature and prevented from being in contact with air, a zinc layer can be plated on the outer side of the core wire so that the corrosion resistance effect of the core wire can be guaranteed, red rust cannot be generated after a neutral salt spray test is conducted for 96 hours or above, the overall corrosion resistance of the structural wire is improved, meanwhile, the tensile strength of the structural wire is good, the yield ratio is larger than 93%, the percentage elongation after fracture is larger than 2%, and the overall performance is excellent.

Description

Technical Field

[0001] This utility model relates to the field of structural line technology, specifically an elliptical structural line. Background Technology

[0002] Supporting steel wires are typically found on clothing to maintain its shape and can also be used for decoration, playing an important role in clothing. Existing steel wire materials are generally made of aluminum alloy, stainless steel, etc.

[0003] In the prior art, such as the application number CN201520610832.5, the disclosed title is: Bra that can shape the breast curve, which includes a cup body, a steel wire sleeve set at the lower part of the cup body for support, and a steel wire placed in the steel wire sleeve. The steel wire sleeve is a fiber fabric sleeve or a non-metallic soft sleeve, and the steel wire is made of curved plastic support bone material or straight memory metal support bone, as well as some other flexible metal materials.

[0004] However, the steel rings mentioned in the existing technology are difficult and costly to process using aluminum alloy and stainless steel, and have poor uniformity in strength and elasticity. In addition, the steel rings are wrapped with steel ring sleeves, which cannot meet the requirements for waterproofing and corrosion protection. The sharp ends of the steel rings can easily puncture the steel ring sleeves and then damage the textiles. Therefore, it is necessary to design an elliptical structure line. Utility Model Content

[0005] The purpose of this invention is to provide an elliptical structural line to solve the problems in the prior art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] An elliptical structural line includes an outer layer with an elliptical shape, and a core wire fixed inside the outer layer. The core wire is located in the innermost layer of the elliptical structural line and is a core steel strip structure.

[0008] The width of the elliptical structural line is 1.0mm to 4.0mm, and the thickness is 0.8mm to 2.5mm.

[0009] Furthermore, the core wire is made of high-carbon steel, and the outer layer is made of engineering plastic.

[0010] Furthermore, the steel strip of the core wire is made of one of 72A, 72B, 65Mn, or 70 steel.

[0011] Furthermore, when the cross-sectional shape of the steel strip of the core wire is elliptical, the thickness of the outer layer is uniform throughout the circumference, with a thickness range of 0.05mm to 0.10mm.

[0012] Furthermore, when the cross-sectional shape of the steel strip of the core wire is rectangular, the outer layer forms an elliptical structure with unequal thickness in the width and thickness directions, and the wall thickness in the width direction of the outer layer ranges from 0.05mm to 0.10mm.

[0013] Furthermore, the wall thickness in the thickness direction of the outer layer is at least twice the wall thickness in the width direction.

[0014] Furthermore, the wall thickness in the outer layer thickness direction ranges from 0.15 mm to 0.3 mm.

[0015] Furthermore, the steel strip of the core wire is fixed with a zinc layer for corrosion protection. The zinc plating method for the steel strip surface is electro-galvanizing or hot-dip galvanizing, and the thickness of the zinc layer is 10-20 g / m. 2 .

[0016] The beneficial effects of this utility model are:

[0017] 1. The elliptical structural wire of this utility model adopts a rectangular or elliptical core wire structure to provide sufficient support and have a good support area. At the same time, the outer layer is wrapped around the core wire, and the outer layer is evenly wrapped around the core wire to ensure the safety of the steel strip, increase the strength and elasticity of the structural wire, improve the forming effect of the structural wire, resist high temperature and prevent the core wire from contacting the air.

[0018] 2. The elliptical structure wire of this utility model has a zinc layer plated on the outer side of the core wire to ensure the corrosion resistance of the core wire. It meets the requirement of not developing red rust after more than 96 hours of neutral salt spray testing, which improves the overall corrosion resistance of the structure wire. At the same time, the structure wire has good tensile strength, yield strength ratio greater than 93%, and elongation after fracture greater than 2%, with excellent overall performance. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the structure of the elliptical wire core of this utility model;

[0021] Figure 2 This is a cross-sectional view of the elliptical wire core of this utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the rectangular wire core of this utility model;

[0023] Figure 4 This is a cross-sectional view of the rectangular wire core of this utility model;

[0024] Figure 5 This is a schematic diagram of the elliptical structure after molding.

[0025] The attached diagram is described below:

[0026] 1. Outer layer; 2. Zinc layer; 3. Core wire. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] An elliptical structural line, elliptical in shape, such as... Figure 1 As shown, the elliptical structure line includes an outer layer 1, and a core wire 3 is provided inside the outer layer 1. The core wire 3 is located in the innermost layer of the elliptical structure line and is a core steel wire. The core wire 3 is made of high carbon steel, and the outer layer 1 is made of engineering plastic material.

[0030] In this embodiment, the elliptical structural line is designed with a tensile strength range of 1800Mpa~2100Mpa to meet its good elasticity and strength requirements, a yield strength ratio (the ratio of yield strength to tensile strength) > 93%, and an elongation after fracture A100 > 2%. To ensure the good formability of the elliptical structural line, the shape of the steel wire must meet the straightness standard: 2mm / 1000mm.

[0031] In this embodiment, the steel strip material of the core wire 3 is 72A. To meet different strength requirements, other materials such as 72B, 65Mn, and 70 steel can be selected.

[0032] In this embodiment, the outer layer 1 is made of PET material and is pure white in color. The PET plastic layer and the steel strip must have good adhesion and meet the Level 1 cross-cut adhesion test (according to ISO2409 test standard). At the same time, it must meet the requirement that after baking at high temperature of 170℃ for 1 hour, the PET does not bubble and the surface color does not change significantly.

[0033] The width of the elliptical structural line is 1.0mm to 4.0mm, and the thickness is 0.8mm to 2.5mm. When the steel wire is elliptical, the thickness of the PET plastic is uniform throughout the circumference, ranging from 0.05mm to 0.10mm.

[0034] Example 2:

[0035] like Figure 1 , Figure 2 As shown, based on Example 1, a zinc layer 2 is fixedly provided on the surface of the steel strip of the core wire 3. The galvanizing method of the steel strip surface is electro-galvanizing or hot-dip galvanizing, and its thickness is 10-20 g / m. 2The galvanized layer increases the corrosion resistance of the steel strip. Even when the thick end is cut, the steel strip has good corrosion resistance and can meet the requirement of not developing red rust after more than 96 hours of neutral salt spray testing.

[0036] Example 3:

[0037] like Figure 3 , Figure 4 As shown, the steel strip of the core wire 3 has a rectangular cross-section, and the plastic wrapped by the outer layer 1 is elliptical. The outer layer 1 wraps around the outside of the core wire 3 to form an overall elliptical structure. The PET of the outer layer 1 is elliptical in that the width and thickness directions are not equal. The thickness of the PET in the width direction ranges from 0.05mm to 0.10mm, and the PET in the thickness direction is more than twice as thick as that in the width direction, usually ranging from 0.15mm to 0.3mm.

[0038] A zinc layer 2 is also fixedly installed on the outside of the rectangular core wire 3. The zinc layer is used to increase the corrosion resistance of the steel strip. Even when the thick end is cut, the steel strip has good corrosion resistance and can meet the requirement of not developing red rust after more than 96 hours of neutral salt spray testing.

[0039] The preparation process is as follows:

[0040] The internal steel wire of the elliptical structure uses hot-rolled wire rod of 72A material. The wire rod undergoes pickling and phosphating surface treatment, wire drawing, lead bath heat treatment, electro-galvanizing or hot-dip galvanizing, and finally drawing into steel wire of the required size. The width and thickness of the finished steel wire determine the final drawn wire diameter.

[0041] After being drawn, the round steel wire is formed into the required elliptical or rectangular shape by a two-roll mill.

[0042] After rolling, elliptical or rectangular steel wires are extruded through a continuous plastic extrusion coating line. Molten PET plastic is then coated onto the steel wire surface using a custom-shaped die. Finally, the wire is wound onto a reel, and the finished product is delivered to the customer in roll form. This process is used to fabricate curved bra support structures, such as... Figure 5 As shown.

[0043] The beneficial effects are as follows: The thread adopts an elliptical structure, and the arc structure after molding can maintain the good structural shape of the bra;

[0044] The elliptical wire is made of high-carbon steel, which has better strength and elasticity than aluminum alloy and stainless steel.

[0045] The overall material cost of carbon steel coated with engineering plastic is significantly lower than that of aluminum alloy and stainless steel.

[0046] The outer engineering plastic has low friction, self-lubricating, and environmentally friendly properties, and is well compatible with bra textile materials;

[0047] The outer plastic can be fitted with bras, and the product design can be configured with different colors, increasing product diversity.

[0048] 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 can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An elliptical structural line, characterized in that, The elliptical structure line includes an outer layer (1) with an elliptical shape, and a core wire (3) is fixedly provided inside the outer layer (1). The core wire (3) is located in the innermost layer of the elliptical structure line and is a core steel strip structure. The width of the elliptical structural line is 1.0mm to 4.0mm, and the thickness is 0.8mm to 2.5mm.

2. The elliptical structural line according to claim 1, characterized in that, The core wire (3) is made of high carbon steel, and the outer layer (1) is made of engineering plastic.

3. An elliptical structural line according to claim 1, characterized in that, The steel strip of the core wire (3) is made of one of 72A, 72B, 65Mn, or 70 steel.

4. An elliptical structural line according to claim 2, characterized in that, When the cross-sectional shape of the steel strip of the core wire (3) is elliptical, the thickness of the outer layer (1) is uniform throughout the circumference, with a thickness range of 0.05mm to 0.10mm.

5. An elliptical structural line according to claim 2, characterized in that, When the cross-sectional shape of the steel strip of the core wire (3) is rectangular, the outer layer (1) forms an elliptical structure with unequal thickness in the width and thickness directions. The wall thickness of the outer layer (1) in the width direction ranges from 0.05mm to 0.10mm.

6. An elliptical structural line according to claim 5, characterized in that, The thickness of the outer layer (1) in the thickness direction is at least twice the thickness in the width direction.

7. An elliptical structural line according to claim 5, characterized in that, The thickness of the outer layer (1) in the thickness direction ranges from 0.15 mm to 0.3 mm.

8. An elliptical structural line according to claim 2, characterized in that, The steel strip surface of the core wire (3) is fixed with a zinc layer (2) for corrosion protection. The zinc coating method of the steel strip surface is electro-galvanizing or hot-dip galvanizing, and the thickness of the zinc layer (2) is 10-20 g / m. 2 .

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