High-strength corrosion-resistant copper alloy bar

Abstract

The utility model discloses a high-strength corrosion-resistant copper alloy bar which comprises a main body unit, the main body unit comprises a bar body, a through hole is formed in the center of the bar body, a plurality of inclined planes are arranged on the side wall of the bar body at equal intervals, each inclined plane is provided with an impressing layer, and the through hole is formed in the through hole. The heat dissipation bar has the advantages that heat dissipation can be conveniently conducted on the interior of the bar body through the through holes, the heat dissipation performance of the bar body is improved, meanwhile, the diameter of the through holes is small, the overall strength of the bar body is guaranteed, the edges of the inclined faces are arranged to be the second arc-shaped angles, and therefore the heat dissipation performance of the bar body is improved. The stress of the rod body can be uniformly dispersed when the rod body bears the force, and the residual stress on the metal surface can be properly eliminated or reduced and the risk of stress corrosion cracking can be reduced through the arrangement of the imprinting layer, so that the overall strength is improved, and the rod body can be applied to a high-load scene or a scene requiring high stability.

Description

Technical Field

[0001] The utility model relates to the technical field of copper alloy rods, in particular to a high-strength and corrosion-resistant copper alloy rod. Background Art

[0002] A copper alloy rod is a material form of copper alloy. It is an alloy rod formed with pure copper as the matrix and by adding one or more other elements (such as zinc, manganese, aluminum, lead, etc.). Copper alloy rods have excellent electrical conductivity, thermal conductivity, corrosion resistance and workability, so they are widely used in many fields.

[0003] For existing copper alloy rods, although they are based on pure copper with high electrical conductivity and high thermal conductivity and exhibit excellent electrical and thermal conduction performance, the limitations in their materials cannot be ignored. Specifically, the copper alloy rods are relatively weak in terms of support strength, which leads to easy bending or deformation in actual applications, restricting their applications in high-load or scenarios requiring high stability.

[0004] Therefore, a high-strength and corrosion-resistant copper alloy rod is needed to solve the above problems. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part as well as in the abstract and the title of the utility model of this application to avoid obscuring the purpose of this part, the abstract and the title of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above problems of a high-strength and corrosion-resistant copper alloy rod, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a high-strength and corrosion-resistant copper alloy rod, which is used to solve problems such as "for existing copper alloy rods, although they are based on pure copper with high electrical conductivity and high thermal conductivity and exhibit excellent electrical and thermal conduction performance, the limitations in their materials cannot be ignored. Specifically, the copper alloy rods are relatively weak in terms of support strength, which leads to easy bending or deformation in actual applications, restricting their applications in high-load or scenarios requiring high stability".

[0008] To solve the above technical problems, the present utility model provides the following technical solution: A high-strength and corrosion-resistant copper alloy rod, comprising:

[0009] A main body unit, the main body unit includes a rod body, a through hole is provided at the center of the rod body, a plurality of inclined surfaces are equidistantly arranged on the side wall of the rod body, an imprint layer is provided on each inclined surface, the edges of the plurality of inclined surfaces are all processed into second arc angles, and two end faces are provided at both ends of the rod body.

[0010] As a preferred embodiment of the high-strength and corrosion-resistant copper alloy rod of the present utility model, wherein: the rod body is composed of copper, tin, zinc and trace amounts of iron, silicon and aluminum elements, wherein the proportion of copper is 60%-65%, the proportion of tin is 25%-30%, and the proportion of zinc is 5%-10%.

[0011] As a preferred embodiment of the high-strength and corrosion-resistant copper alloy rod of the present utility model, wherein: the embossed layer is made by embossing operation, and the embossed layer includes a plurality of regularly distributed grooves.

[0012] As a preferred embodiment of the high-strength and corrosion-resistant copper alloy rod of the present utility model, wherein: the edges of a plurality of the end faces are all processed into a first arc angle to reduce burrs.

[0013] As a preferred embodiment of the high-strength and corrosion-resistant copper alloy rod of the present utility model, wherein: the surfaces of a plurality of the inclined surfaces are electroplated with a nickel coating, and the nickel coating is used to form a dense oxide film.

[0014] As a preferred embodiment of the high-strength and corrosion-resistant copper alloy rod of the present utility model, wherein: the diameter of the through hole is set to one-fifth of the diameter of the rod body to accelerate the heat dissipation speed inside the rod body.

[0015] Advantages of the present utility model:

[0016] By providing a through hole, it is convenient to dissipate heat inside the rod body, improving its heat dissipation performance. At the same time, the diameter of the through hole is small, ensuring the overall strength of the rod body. And the edges of the inclined surfaces are set as a second arc angle, enabling the rod body to disperse stress more evenly when bearing force. Also, through the setting of the embossed layer, the residual stress on the metal surface can be appropriately eliminated or reduced, reducing the risk of stress corrosion cracking, thereby improving the overall strength and enabling its application in high-load or highly stable scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0018] Figure 1 It is a front structural schematic diagram of a high-strength and corrosion-resistant copper alloy rod of the present utility model.

[0019] Figure 2The utility model is a partial structural schematic diagram of a high-strength corrosion-resistant copper alloy rod.

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Description of the drawings: 100, main unit; 101, rod body; 102, through hole; 103, end face; 1031, arc angle No. 1; 104, inclined surface; 1041, arc angle No. 2; 1042, embossing layer. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] Reference Figure 1 - Figure 3 , is an embodiment of the utility model, and provides a high-strength corrosion-resistant copper alloy rod, which includes:

[0027] The main body unit 100, the main body unit 100 includes a rod body 101, a through hole 102 is provided at the center of the rod body 101, a plurality of inclined surfaces 104 are equidistantly provided on the side wall of the rod body 101, an imprinting layer 1042 is provided on each inclined surface 104, the edges of the plurality of inclined surfaces 104 are all processed into second arc-shaped corners 1041, two end surfaces 103 are provided at both ends of the rod body 101, by providing the through hole 102, it is convenient to dissipate heat inside the rod body 101 and improve its heat dissipation performance. At the same time, the diameter of the through hole 102 is small, ensuring the overall strength of the rod body 101, and the edges of the inclined surfaces 104 are set as second arc-shaped corners 1041, so that the rod body 101 can disperse stress more evenly when bearing force, and through the setting of the imprinting layer 1042, the residual stress on the metal surface can be appropriately eliminated or reduced, reducing the risk of stress corrosion cracking, thereby improving the overall strength.

[0028] Among them, the rod body 101 is composed of copper, tin, zinc and trace amounts of iron, silicon and aluminum elements. Among them, the proportion of copper is 60%-65%, the proportion of tin is 25%-30%, and the proportion of zinc is 5%-10%. The reasonable ratio of these elements enables the copper alloy rod to improve its corrosion resistance while maintaining high strength.

[0029] Among them, the imprinting layer 1042 is made by imprinting operation. The imprinting layer 1042 includes a plurality of regularly distributed grooves. The setting of the imprinting layer 1042 facilitates the adhesion of the nickel plating layer.

[0030] Among them, the edges of the plurality of end surfaces 103 are all processed into first arc-shaped corners 1031 for reducing burrs.

[0031] Among them, the surfaces of the plurality of inclined surfaces 104 are electroplated with a nickel plating layer. The nickel plating layer is used to form a dense oxide film. The oxide film blocks the corrosion of water and air on the metal rod, improving its corrosion resistance.

[0032] Among them, the diameter of the through hole 102 is set to one-fifth of the diameter of the rod body 101 for accelerating the heat dissipation speed inside the rod body 101.

[0033] Working principle: By providing the through hole 102, it is convenient to dissipate heat inside the rod body 101 and improve its heat dissipation performance. At the same time, the diameter of the through hole 102 is small, ensuring the overall strength of the rod body 101, and the edges of the inclined surfaces 104 are set as second arc-shaped corners 1041, so that the rod body 101 can disperse stress more evenly when bearing force, and through the setting of the imprinting layer 1042, the residual stress on the metal surface can be appropriately eliminated or reduced, reducing the risk of stress corrosion cracking, thereby improving the overall strength. Among them, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A high-strength and corrosion-resistant copper alloy rod, characterized in that, Comprising: A main body unit (100), the main body unit (100) includes a rod body (101), a through hole (102) is provided at the center of the rod body (101), a plurality of inclined surfaces (104) are equidistantly arranged on the side wall of the rod body (101), an embossing layer (1042) is provided on each inclined surface (104), the edges of the plurality of inclined surfaces (104) are all processed into second arc-shaped corners (1041), and two end surfaces (103) are provided at both ends of the rod body (101).

2. A high-strength corrosion-resistant copper alloy rod according to claim 1, characterized in that: The embossing layer (1042) is made by an embossing operation, and the embossing layer (1042) includes a plurality of regularly distributed grooves.

3. A high-strength corrosion-resistant copper alloy rod according to claim 1, characterized in that: The edges of the plurality of end surfaces (103) are all processed into first arc-shaped corners (1031).

4. A high-strength corrosion-resistant copper alloy rod according to claim 1, characterized in that: The surfaces of the plurality of inclined surfaces (104) are electroplated with nickel coatings.

5. A high-strength corrosion-resistant copper alloy rod according to claim 1, characterized in that: The diameter of the through hole (102) is set to be one-fifth of the diameter of the rod body (101).

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