CN215988169U

CN215988169U - Copper wire tin-plated copper rod

Info

Publication number: CN215988169U
Application number: CN202121691497.8U
Authority: CN
Inventors: 王力中; 刘昭林; 张勇; 罗曦; 刘新光
Original assignee: Shenzhen Chengwei New Material Co Ltd
Current assignee: Shenzhen Chengwei New Material Co Ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2022-03-08
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a copper wire tinned copper rod, and particularly relates to the field of copper rods. According to the utility model, the paraffin coating layer is arranged to completely wrap the copper rod core, so that the contact between the copper rod and the outside air is avoided, the copper rod can be prevented from being oxidized and corroded to influence the use of a copper rod product, the solid paraffin can be changed into a molten state by the heat of the copper rod core when the copper rod core works, the paraffin can be prevented from being separated from the surface of the copper rod core when the copper rod wire is bent, the adhesive layer is arranged between the tin layer and the paraffin coating layer, the connection tightness between the tin layer and the copper rod core is enhanced, the tin layer can be effectively prevented from falling off from the copper rod core, and the excellent conduction performance of the tinned copper wire is effectively maintained.

Description

Copper wire tin-plated copper rod

Technical Field

The utility model relates to the technical field of copper rods, in particular to a copper wire tinned copper rod.

Background

Tin-plated copper refers to copper coated with a thin layer of metallic tin, such as tin-plated copper wire, tin plating prevents copper from being oxidized to form a film, verdigris, by exposure to air, tin plating is mainly used to prevent copper from being oxidized, tin forms a tin dioxide film in air to prevent further oxidation, and tin and halogen can also form films with similar effects. Therefore, the tin-plated copper rod has good corrosion resistance and certain strength and hardness.

The tinned copper wire rod is used as a main use wire for electronic signal transmission, and has very wide application in industrial production and actual life. In tinned wire's in-service use process, when tinned wire's anticorrosive coating layer took place the damage, tinned wire and air direct contact are easily by oxidation corrosion, influence the life of tinned wire pole.

But current tin-plated copper pole still has more shortcoming when the in-service use, if to the operation of the mode of the common spraying of copper pole tin plating or submergence, make the direct parcel of tin layer on the surface of copper pole, and when carrying out the tinned copper line and accomodate and deposit, can directly coil up tin-plated copper pole on the spool to easily lead to tin-plated copper pole to receive crooked back, the defect that the tin layer drops from the copper pole easily influences the performance of wire rod.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a copper wire tin-plated copper rod, and the problems to be solved by the present invention are: the existing tin-plated copper rod is easy to have the risk of falling off of a tin layer when being bent.

In order to achieve the purpose, the utility model provides the following technical scheme: the copper rod comprises a copper rod core, wherein a paraffin coating layer is wrapped on the outer peripheral side of the copper rod core, an adhesive layer is wrapped on the outer peripheral side of the paraffin coating layer, a tin layer is wrapped on the outer peripheral side of the adhesive layer, and an insulating layer is wrapped on the outer peripheral side of the tin layer.

In a preferred embodiment, a groove is formed in an outer peripheral side of the copper rod core, and an inner peripheral side of the paraffin coating layer is filled in the groove.

By adopting the technical scheme, the surface area of the copper rod core is increased, and the improvement of the heat dissipation efficiency is facilitated.

In a preferred embodiment, the outer peripheral side of the insulating layer is integrally formed with a reinforcing rib.

By adopting the technical scheme, the strength of the insulating layer is effectively increased, and the copper rod product is prevented from being bent arbitrarily to influence the tin layer.

In a preferred embodiment, the number of the grooves is provided in plurality, and a plurality of the grooves are arranged in an annular array.

By adopting the technical scheme, the heat dissipation efficiency is further improved.

In a preferred embodiment, the number of the reinforcing ribs is provided in plurality, and the plurality of reinforcing ribs are arranged in an annular array.

Through adopting above-mentioned technical scheme, further strengthen the structural strength of copper pole product.

In a preferred embodiment, the adhesive layer is a nano adhesive and the tin layer has a thickness of 0.5 to 1 mm.

In a preferred embodiment, the cross-sectional shape of the groove is square or oval.

The utility model has the technical effects and advantages that:

1. according to the utility model, the paraffin coating layer is arranged to completely wrap the copper rod core, so that the contact between the copper rod and the external air is avoided, the copper rod can be prevented from being oxidized and corroded to influence the use of a copper rod product, and when the copper rod core works, the solid paraffin can be changed into a molten state by the heat of the copper rod core, and the paraffin can be prevented from being separated from the surface of the copper rod core when the copper rod wire is bent;

2. according to the utility model, the adhesive layer is arranged between the tin layer and the paraffin coating layer, so that the connection tightness between the tin layer and the copper rod core is enhanced, the tin layer can be effectively prevented from falling off from the copper rod core, and the excellent conductivity of the tinned copper wire is effectively maintained.

Drawings

FIG. 1 is a schematic perspective view of the overall structure of the present invention;

fig. 2 is a schematic cross-sectional view of the overall structure of the present invention.

The reference signs are: 1 copper rod core, 2 grooves, 3 paraffin coating layers, 4 adhesive layers, 5 tin layers, 6 insulating layers and 7 reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached fig. 1 and 2 of the specification, the tinned copper rod of the copper wire according to the embodiment of the utility model may include a copper rod core 1, wherein the outer periphery of the copper rod core 1 is wrapped with a paraffin coating layer 3, the outer periphery of the paraffin coating layer 3 is wrapped with an adhesive layer 4, the outer periphery of the adhesive layer 4 is wrapped with a tin layer 5, and the outer periphery of the tin layer 5 is wrapped with an insulating layer 6.

As shown in fig. 1 and 2, the implementation scenario specifically includes: in actual use, the paraffin coating layer 3 can fully wrap the surface of the copper rod core 1, the paraffin coating layer 3 is coated on the copper rod core 1 through paraffin oil, paraffin is condensed into a solid state to fully wrap the copper rod core 1, so that the contact between the copper rod and external air is avoided, thereby avoiding the copper rod from being oxidized and corroded to influence the use of the copper rod product, and when the copper rod core 1 works, the heat can change the solid paraffin wax into a molten state, and can avoid the paraffin wax from being separated from the surface of the copper rod core 1 when the copper rod wire is bent, the adhesive layer 4 is arranged between the tin layer 5 and the paraffin coating layer 3, so that the connection tightness between the tin layer 5 and the copper rod core 1 is enhanced, can effectively prevent the tin layer 5 from falling off from the copper rod core 1, effectively maintain the excellent conductivity of the tinned copper wire, this embodiment has specifically solved the problem that the tin coating is easy to drop on the tinned copper pole that exists among the prior art.

As shown in fig. 1 and 2, the groove 2 is formed on the outer peripheral side of the copper rod core 1, and the inner peripheral side of the paraffin coating layer 3 is filled in the groove 2, so that the surface area of the copper rod core 1 is increased, and the improvement of the heat dissipation efficiency is facilitated.

As shown in fig. 1 and 2, the reinforcing ribs 7 are integrally formed on the outer periphery of the insulating layer 6, so that the strength of the insulating layer 6 is effectively increased, and the copper rod product is prevented from being bent excessively to affect the tin layer 5.

As shown in fig. 1 and 2, the number of the grooves 2 is plural, and the grooves 2 are arranged in an annular array, so that the heat dissipation efficiency is further improved.

As shown in fig. 1 and 2, the number of the reinforcing ribs 7 is multiple, and the plurality of reinforcing ribs 7 are arranged in an annular array, so that the structural strength of the copper rod product is further enhanced.

As shown in fig. 1 and 2, the adhesive layer 4 is a nano adhesive, and the tin layer 5 has a thickness of 0.5 to 1 mm.

As shown in fig. 1 and 2, the cross-sectional shape of the groove 2 is a square or oval.

In summary, the following steps: according to the utility model, the paraffin coating layer 3 is arranged to completely wrap the copper rod core 1, so that the contact between the copper rod and the outside air is avoided, the copper rod can be prevented from being oxidized and corroded to influence the use of a copper rod product, the solid paraffin can be changed into a molten state by the heat of the copper rod core 1 when the copper rod core 1 works, the paraffin can be prevented from being separated from the surface of the copper rod core 1 when the copper rod wire is bent, the adhesive layer 4 is arranged between the tin layer 5 and the paraffin coating layer 3, the connection tightness between the tin layer 5 and the copper rod core 1 is enhanced, the tin layer 5 can be effectively prevented from falling off from the copper rod core 1, and the excellent conductivity of the tinned copper wire is effectively maintained.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a copper line tinned copper pole, includes copper pole core (1), its characterized in that: the paraffin coating layer (3) is wrapped on the outer peripheral side of the copper rod core (1), the adhesive layer (4) is wrapped on the outer peripheral side of the paraffin coating layer (3), the tin layer (5) is wrapped on the outer peripheral side of the adhesive layer (4), and the insulating layer (6) is wrapped on the outer peripheral side of the tin layer (5).

2. The copper wire tinned copper rod of claim 1, characterized in that: the copper rod core (1) is provided with a groove (2) on the outer peripheral side, and the paraffin coating layer (3) is filled in the groove (2) on the inner peripheral side.

3. The copper wire tinned copper rod of claim 1, characterized in that: and a reinforcing rib (7) is integrally formed on the outer periphery of the insulating layer (6).

4. The copper wire tinned copper rod of claim 2, characterized in that: the number of the grooves (2) is provided with a plurality of grooves, and the grooves (2) are arranged in an annular array.

5. The copper wire tinned copper rod of claim 3, characterized in that: the number of the reinforcing ribs (7) is provided with a plurality of reinforcing ribs, and the plurality of reinforcing ribs (7) are arranged in an annular array.

6. The copper wire tinned copper rod of claim 1, characterized in that: the adhesive layer (4) is a nano adhesive, and the thickness of the tin layer (5) is 0.5-1 mm.

7. The copper wire tinned copper rod of claim 2, characterized in that: the cross section of the groove (2) is square or oval.