Lead-free environment-friendly copper alloy bar for valve

Abstract

The utility model discloses a lead-free environment-friendly copper alloy bar for a valve, which comprises a lead-free copper alloy bar body, a hollow hole is arranged at the center of the lead-free copper alloy bar body, a plurality of inclined planes are arranged on the surface of the lead-free copper alloy bar body at equal intervals, an anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body, and the anti-corrosion paint layer is arranged on the surface of the lead-free copper alloy bar body. The lead-free copper alloy bar has the advantages that through the arrangement of the hollow holes, the weight of the lead-free copper alloy bar body is reduced, meanwhile, enough strength is kept, meanwhile, resistance and thermal resistance are reduced, and the electric conduction efficiency and the heat conduction efficiency are improved; the copper alloy material is low in cost, low in cost and free of lead and chromium, meets international environmental protection standards, reduces potential hazards to the environment and human bodies, keeps high strength, high toughness and good machinability of a traditional copper alloy, and is suitable for manufacturing various valve parts.

Description

Technical Field

[0001] This utility model relates to the field of copper alloy rod technology, and in particular to a lead-free and environmentally friendly copper alloy rod for valves. Background Technology

[0002] Traditional leaded brass is widely used in valves, hardware components, and other fields due to its good machinability and mechanical properties. However, the release of lead not only pollutes the environment but may also harm human health, failing to meet modern environmental standards. Utility Model Content

[0003] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0004] In view of the aforementioned problem that "traditional leaded brass is widely used in valves, hardware components and other fields due to its good machinability and mechanical properties. However, the release of lead not only pollutes the environment but may also harm human health, failing to meet modern environmental protection standards," this utility model is proposed.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a lead-free environmentally friendly copper alloy rod for valves, comprising: a lead-free copper alloy rod body;

[0006] The lead-free copper alloy rod has a hollow hole at its center, and multiple bevels are evenly spaced on its surface. The surface of the lead-free copper alloy rod is covered with an anti-corrosion paint layer. The chromium content in the lead-free copper alloy rod is <0.001%, and the lead content in the lead-free copper alloy rod is <0.001%.

[0007] As a preferred embodiment of the lead-free environmentally friendly copper alloy rod for valves according to this utility model, the lead-free copper alloy rod body is made of copper and zinc as the base elements, and a small amount of nickel and silicon alloying elements are added to improve the mechanical properties and corrosion resistance of the material.

[0008] As a preferred embodiment of the lead-free environmentally friendly copper alloy rod for valves according to this utility model, both ends of the lead-free copper alloy rod are provided with top chamfers.

[0009] As a preferred embodiment of the lead-free environmentally friendly copper alloy rod for valves according to this utility model, wherein: the surface of the bevel is polished smooth, and the anti-corrosion paint layer is an epoxy anti-corrosion coating.

[0010] The beneficial effects of this utility model are:

[0011] By incorporating hollow holes, the weight of the lead-free copper alloy rod is reduced while maintaining sufficient strength. This also reduces electrical and thermal resistance, improving the efficiency of electrical and thermal conductivity. The lead-free and chromium-free design complies with international environmental standards, reducing potential harm to the environment and human health. At the same time, it maintains the high strength, high toughness, and good machinability of traditional copper alloys, making it suitable for manufacturing various valve components. Attached Figure Description

[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0013] Figure 1 This is a front structural diagram of a lead-free, environmentally friendly copper alloy rod for valves according to this utility model.

[0014] Figure 2 This utility model Figure 1 A magnified structural diagram of point A in the middle.

[0015] Figure descriptions: 101, lead-free copper alloy rod; 102, hollow hole; 103, top chamfer; 104, anti-corrosion paint layer. Detailed Implementation

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] Secondly, the term "an 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 phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0019] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0020] Example

[0021] A lead-free environmentally friendly copper alloy rod for valves, comprising: a lead-free copper alloy rod body 101;

[0022] A hollow hole 102 is provided at the center of the lead-free copper alloy rod 101. Multiple bevels are provided at equal intervals on the surface of the lead-free copper alloy rod 101. An anti-corrosion paint layer 104 is provided on the surface of the lead-free copper alloy rod 101. The chromium content and lead content in the lead-free copper alloy rod 101 are <0.001%. The hollow hole 102 reduces the weight of the lead-free copper alloy rod 101 while maintaining sufficient strength, and reduces resistance and thermal resistance, thereby improving the efficiency of electrical and thermal conductivity. The lead-free and chromium-free design complies with international environmental protection standards, reduces potential harm to the environment and human body, and maintains the high strength, high toughness and good machinability of traditional copper alloys, making it suitable for manufacturing various valve components.

[0023] Among them, the lead-free copper alloy rod 101 uses copper and zinc as the base elements, and adds a small amount of nickel and silicon alloying elements to improve the mechanical properties and corrosion resistance of the material, while maintaining the high strength, high toughness and good machinability of traditional copper alloys.

[0024] In addition, both ends of the lead-free copper alloy rod 101 are provided with a top chamfer 103. The design of the top chamfer 103 not only makes the appearance of the metal rod more rounded and smooth, improving the overall aesthetics of the product, but also removes the top burrs and improves the processing quality of the product.

[0025] In addition, the beveled surface is polished smooth, and the beveled design makes it easy to store and place metal rods. The anti-corrosion paint layer 104 is an epoxy anti-corrosion coating. The anti-corrosion paint layer 104 has the advantages of strong adhesion, high strength, chemical corrosion resistance, and good wear resistance, and also has good environmental performance.

[0026] It should be noted that the content not described in detail in this description belongs to the prior art known to those skilled in the art.

[0027] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A lead-free, environmentally friendly copper alloy rod for valves, characterized in that, include: Lead-free copper alloy rod (101); The lead-free copper alloy rod (101) has a hollow hole (102) at its center. The surface of the lead-free copper alloy rod (101) has multiple bevels at equal intervals. The surface of the lead-free copper alloy rod (101) is provided with an anti-corrosion paint layer (104). The chromium content in the lead-free copper alloy rod (101) is <0.001%, and the lead content in the lead-free copper alloy rod (101) is <0.001%.

2. The lead-free environmentally friendly copper alloy rod for valves as described in claim 1, characterized in that: The lead-free copper alloy rod (101) is made of copper and zinc as the base elements, with a small amount of nickel and silicon alloying elements added.

3. The lead-free environmentally friendly copper alloy rod for valves as described in claim 1, characterized in that: Both ends of the lead-free copper alloy rod (101) are provided with top chamfers (103).

4. The lead-free environmentally friendly copper alloy rod for valves as described in claim 1, characterized in that: The surface of the inclined plane is polished smooth, and the anti-corrosion paint layer (104) is an epoxy anti-corrosion coating.

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